diff --git a/java/res/values-hi/strings.xml b/java/res/values-hi/strings.xml
index 56642c4..57e9ff4 100644
--- a/java/res/values-hi/strings.xml
+++ b/java/res/values-hi/strings.xml
@@ -72,7 +72,7 @@
     <string name="label_to_alpha_key" msgid="4793983863798817523">"कखग"</string>
     <string name="label_to_symbol_key" msgid="8516904117128967293">"?१२३"</string>
     <string name="label_to_symbol_with_microphone_key" msgid="9035925553010061906">"१२३"</string>
-    <string name="label_pause_key" msgid="181098308428035340">"रोकें"</string>
+    <string name="label_pause_key" msgid="181098308428035340">"पॉज़ करें"</string>
     <string name="label_wait_key" msgid="6402152600878093134">"प्रतीक्षा करें"</string>
     <string name="spoken_use_headphones" msgid="896961781287283493">"ज़ोर से बोली गई पासवर्ड कुंजियां सुनने के लिए हेडसेट प्‍लग इन करें."</string>
     <string name="spoken_current_text_is" msgid="2485723011272583845">"वर्तमान पाठ %s है"</string>
@@ -116,7 +116,7 @@
     <string name="hint_add_to_dictionary" msgid="573678656946085380">"सहेजने के लिए पुन: स्‍पर्श करें"</string>
     <string name="has_dictionary" msgid="6071847973466625007">"शब्‍दकोश उपलब्‍ध है"</string>
     <string name="prefs_enable_log" msgid="6620424505072963557">"उपयोगकर्ता फ़ीडबैक सक्षम करें"</string>
-    <string name="prefs_description_log" msgid="5827825607258246003">"उपयोग के आंकड़े और क्रैश रिपोर्ट Google को स्वचालित रूप से भेज कर इस इनपुट पद्धति संपादक को बेहतर बनाने में सहायता करें."</string>
+    <string name="prefs_description_log" msgid="5827825607258246003">"उपयोग के आंकड़े और क्रैश रिपोर्ट Google को अपने आप भेज कर इस इनपुट पद्धति संपादक को बेहतर बनाने में सहायता करें."</string>
     <string name="keyboard_layout" msgid="8451164783510487501">"कीबोर्ड थीम"</string>
     <string name="subtype_en_GB" msgid="88170601942311355">"अंग्रेज़ी (यूके)"</string>
     <string name="subtype_en_US" msgid="6160452336634534239">"अंग्रेज़ी (यूएस)"</string>
diff --git a/java/src/com/android/inputmethod/accessibility/KeyCodeDescriptionMapper.java b/java/src/com/android/inputmethod/accessibility/KeyCodeDescriptionMapper.java
index 9b74070..5c45448 100644
--- a/java/src/com/android/inputmethod/accessibility/KeyCodeDescriptionMapper.java
+++ b/java/src/com/android/inputmethod/accessibility/KeyCodeDescriptionMapper.java
@@ -25,6 +25,7 @@
 import com.android.inputmethod.keyboard.Key;
 import com.android.inputmethod.keyboard.Keyboard;
 import com.android.inputmethod.keyboard.KeyboardId;
+import com.android.inputmethod.latin.CollectionUtils;
 import com.android.inputmethod.latin.R;
 
 import java.util.HashMap;
@@ -38,7 +39,7 @@
     private static KeyCodeDescriptionMapper sInstance = new KeyCodeDescriptionMapper();
 
     // Map of key labels to spoken description resource IDs
-    private final HashMap<CharSequence, Integer> mKeyLabelMap;
+    private final HashMap<CharSequence, Integer> mKeyLabelMap = CollectionUtils.newHashMap();
 
     // Sparse array of spoken description resource IDs indexed by key codes
     private final SparseIntArray mKeyCodeMap;
@@ -52,7 +53,6 @@
     }
 
     private KeyCodeDescriptionMapper() {
-        mKeyLabelMap = new HashMap<CharSequence, Integer>();
         mKeyCodeMap = new SparseIntArray();
     }
 
diff --git a/java/src/com/android/inputmethod/compat/SuggestionSpanUtils.java b/java/src/com/android/inputmethod/compat/SuggestionSpanUtils.java
index 1183b5f..6ba309f 100644
--- a/java/src/com/android/inputmethod/compat/SuggestionSpanUtils.java
+++ b/java/src/com/android/inputmethod/compat/SuggestionSpanUtils.java
@@ -16,10 +16,6 @@
 
 package com.android.inputmethod.compat;
 
-import com.android.inputmethod.latin.LatinImeLogger;
-import com.android.inputmethod.latin.SuggestedWords;
-import com.android.inputmethod.latin.SuggestionSpanPickedNotificationReceiver;
-
 import android.content.Context;
 import android.text.Spannable;
 import android.text.SpannableString;
@@ -27,6 +23,11 @@
 import android.text.TextUtils;
 import android.util.Log;
 
+import com.android.inputmethod.latin.CollectionUtils;
+import com.android.inputmethod.latin.LatinImeLogger;
+import com.android.inputmethod.latin.SuggestedWords;
+import com.android.inputmethod.latin.SuggestionSpanPickedNotificationReceiver;
+
 import java.lang.reflect.Constructor;
 import java.lang.reflect.Field;
 import java.util.ArrayList;
@@ -119,7 +120,7 @@
         } else {
             spannable = new SpannableString(pickedWord);
         }
-        final ArrayList<String> suggestionsList = new ArrayList<String>();
+        final ArrayList<String> suggestionsList = CollectionUtils.newArrayList();
         for (int i = 0; i < suggestedWords.size(); ++i) {
             if (suggestionsList.size() >= OBJ_SUGGESTIONS_MAX_SIZE) {
                 break;
diff --git a/java/src/com/android/inputmethod/keyboard/KeyDetector.java b/java/src/com/android/inputmethod/keyboard/KeyDetector.java
index c0e6aa8..868c8ca 100644
--- a/java/src/com/android/inputmethod/keyboard/KeyDetector.java
+++ b/java/src/com/android/inputmethod/keyboard/KeyDetector.java
@@ -16,10 +16,10 @@
 
 package com.android.inputmethod.keyboard;
 
+import com.android.inputmethod.latin.Constants;
+
 
 public class KeyDetector {
-    public static final int NOT_A_CODE = -1;
-
     private final int mKeyHysteresisDistanceSquared;
 
     private Keyboard mKeyboard;
@@ -103,7 +103,7 @@
         final StringBuilder sb = new StringBuilder();
         boolean addDelimiter = false;
         for (final int code : codes) {
-            if (code == NOT_A_CODE) break;
+            if (code == Constants.NOT_A_CODE) break;
             if (addDelimiter) sb.append(", ");
             sb.append(Keyboard.printableCode(code));
             addDelimiter = true;
diff --git a/java/src/com/android/inputmethod/keyboard/Keyboard.java b/java/src/com/android/inputmethod/keyboard/Keyboard.java
index 489cc37..a5429e9 100644
--- a/java/src/com/android/inputmethod/keyboard/Keyboard.java
+++ b/java/src/com/android/inputmethod/keyboard/Keyboard.java
@@ -33,6 +33,7 @@
 import com.android.inputmethod.keyboard.internal.KeyboardCodesSet;
 import com.android.inputmethod.keyboard.internal.KeyboardIconsSet;
 import com.android.inputmethod.keyboard.internal.KeyboardTextsSet;
+import com.android.inputmethod.latin.CollectionUtils;
 import com.android.inputmethod.latin.LatinImeLogger;
 import com.android.inputmethod.latin.LocaleUtils.RunInLocale;
 import com.android.inputmethod.latin.R;
@@ -254,9 +255,9 @@
         public int GRID_WIDTH;
         public int GRID_HEIGHT;
 
-        public final HashSet<Key> mKeys = new HashSet<Key>();
-        public final ArrayList<Key> mShiftKeys = new ArrayList<Key>();
-        public final ArrayList<Key> mAltCodeKeysWhileTyping = new ArrayList<Key>();
+        public final HashSet<Key> mKeys = CollectionUtils.newHashSet();
+        public final ArrayList<Key> mShiftKeys = CollectionUtils.newArrayList();
+        public final ArrayList<Key> mAltCodeKeysWhileTyping = CollectionUtils.newArrayList();
         public final KeyboardIconsSet mIconsSet = new KeyboardIconsSet();
         public final KeyboardCodesSet mCodesSet = new KeyboardCodesSet();
         public final KeyboardTextsSet mTextsSet = new KeyboardTextsSet();
diff --git a/java/src/com/android/inputmethod/keyboard/KeyboardActionListener.java b/java/src/com/android/inputmethod/keyboard/KeyboardActionListener.java
index b1621a5..5c8f78f 100644
--- a/java/src/com/android/inputmethod/keyboard/KeyboardActionListener.java
+++ b/java/src/com/android/inputmethod/keyboard/KeyboardActionListener.java
@@ -16,6 +16,7 @@
 
 package com.android.inputmethod.keyboard;
 
+import com.android.inputmethod.latin.Constants;
 import com.android.inputmethod.latin.InputPointers;
 
 public interface KeyboardActionListener {
@@ -44,21 +45,16 @@
      *
      * @param primaryCode this is the code of the key that was pressed
      * @param x x-coordinate pixel of touched event. If {@link #onCodeInput} is not called by
-     *            {@link PointerTracker} or so, the value should be {@link #NOT_A_TOUCH_COORDINATE}.
-     *            If it's called on insertion from the suggestion strip, it should be
-     *            {@link #SUGGESTION_STRIP_COORDINATE}.
+     *            {@link PointerTracker} or so, the value should be
+     *            {@link Constants#NOT_A_COORDINATE}. If it's called on insertion from the
+     *            suggestion strip, it should be {@link Constants#SUGGESTION_STRIP_COORDINATE}.
      * @param y y-coordinate pixel of touched event. If {@link #onCodeInput} is not called by
-     *            {@link PointerTracker} or so, the value should be {@link #NOT_A_TOUCH_COORDINATE}.
-     *            If it's called on insertion from the suggestion strip, it should be
-     *            {@link #SUGGESTION_STRIP_COORDINATE}.
+     *            {@link PointerTracker} or so, the value should be
+     *            {@link Constants#NOT_A_COORDINATE}.If it's called on insertion from the
+     *            suggestion strip, it should be {@link Constants#SUGGESTION_STRIP_COORDINATE}.
      */
     public void onCodeInput(int primaryCode, int x, int y);
 
-    // See {@link Adapter#isInvalidCoordinate(int)}.
-    public static final int NOT_A_TOUCH_COORDINATE = -1;
-    public static final int SUGGESTION_STRIP_COORDINATE = -2;
-    public static final int SPELL_CHECKER_COORDINATE = -3;
-
     /**
      * Sends a sequence of characters to the listener.
      *
@@ -119,9 +115,9 @@
 
         // TODO: Remove this method when the vertical correction is removed.
         public static boolean isInvalidCoordinate(int coordinate) {
-            // Detect {@link KeyboardActionListener#NOT_A_TOUCH_COORDINATE},
-            // {@link KeyboardActionListener#SUGGESTION_STRIP_COORDINATE}, and
-            // {@link KeyboardActionListener#SPELL_CHECKER_COORDINATE}.
+            // Detect {@link Constants#NOT_A_COORDINATE},
+            // {@link Constants#SUGGESTION_STRIP_COORDINATE}, and
+            // {@link Constants#SPELL_CHECKER_COORDINATE}.
             return coordinate < 0;
         }
     }
diff --git a/java/src/com/android/inputmethod/keyboard/KeyboardLayoutSet.java b/java/src/com/android/inputmethod/keyboard/KeyboardLayoutSet.java
index 64b3f09..0cb8d86 100644
--- a/java/src/com/android/inputmethod/keyboard/KeyboardLayoutSet.java
+++ b/java/src/com/android/inputmethod/keyboard/KeyboardLayoutSet.java
@@ -36,6 +36,7 @@
 
 import com.android.inputmethod.compat.EditorInfoCompatUtils;
 import com.android.inputmethod.keyboard.KeyboardLayoutSet.Params.ElementParams;
+import com.android.inputmethod.latin.CollectionUtils;
 import com.android.inputmethod.latin.InputAttributes;
 import com.android.inputmethod.latin.InputTypeUtils;
 import com.android.inputmethod.latin.LatinImeLogger;
@@ -71,7 +72,7 @@
     private final Params mParams;
 
     private static final HashMap<KeyboardId, SoftReference<Keyboard>> sKeyboardCache =
-            new HashMap<KeyboardId, SoftReference<Keyboard>>();
+            CollectionUtils.newHashMap();
     private static final KeysCache sKeysCache = new KeysCache();
 
     public static class KeyboardLayoutSetException extends RuntimeException {
@@ -84,11 +85,7 @@
     }
 
     public static class KeysCache {
-        private final HashMap<Key, Key> mMap;
-
-        public KeysCache() {
-            mMap = new HashMap<Key, Key>();
-        }
+        private final HashMap<Key, Key> mMap = CollectionUtils.newHashMap();
 
         public void clear() {
             mMap.clear();
diff --git a/java/src/com/android/inputmethod/keyboard/KeyboardSwitcher.java b/java/src/com/android/inputmethod/keyboard/KeyboardSwitcher.java
index 10f651a..0232fae 100644
--- a/java/src/com/android/inputmethod/keyboard/KeyboardSwitcher.java
+++ b/java/src/com/android/inputmethod/keyboard/KeyboardSwitcher.java
@@ -39,6 +39,7 @@
 import com.android.inputmethod.latin.SettingsValues;
 import com.android.inputmethod.latin.SubtypeSwitcher;
 import com.android.inputmethod.latin.Utils;
+import com.android.inputmethod.latin.WordComposer;
 
 public class KeyboardSwitcher implements KeyboardState.SwitchActions {
     private static final String TAG = KeyboardSwitcher.class.getSimpleName();
@@ -402,4 +403,16 @@
             }
         }
     }
+
+    public int getManualCapsMode() {
+        switch (getKeyboard().mId.mElementId) {
+        case KeyboardId.ELEMENT_ALPHABET_SHIFT_LOCKED:
+        case KeyboardId.ELEMENT_ALPHABET_SHIFT_LOCK_SHIFTED:
+            return WordComposer.CAPS_MODE_MANUAL_SHIFT_LOCKED;
+        case KeyboardId.ELEMENT_ALPHABET_MANUAL_SHIFTED:
+            return WordComposer.CAPS_MODE_MANUAL_SHIFTED;
+        default:
+            return WordComposer.CAPS_MODE_OFF;
+        }
+    }
 }
diff --git a/java/src/com/android/inputmethod/keyboard/KeyboardView.java b/java/src/com/android/inputmethod/keyboard/KeyboardView.java
index ccbb081..c8f30e2 100644
--- a/java/src/com/android/inputmethod/keyboard/KeyboardView.java
+++ b/java/src/com/android/inputmethod/keyboard/KeyboardView.java
@@ -30,6 +30,7 @@
 import android.graphics.drawable.Drawable;
 import android.os.Message;
 import android.util.AttributeSet;
+import android.util.Log;
 import android.util.SparseArray;
 import android.util.TypedValue;
 import android.view.LayoutInflater;
@@ -38,6 +39,7 @@
 import android.widget.TextView;
 
 import com.android.inputmethod.keyboard.internal.PreviewPlacerView;
+import com.android.inputmethod.latin.CollectionUtils;
 import com.android.inputmethod.latin.Constants;
 import com.android.inputmethod.latin.LatinImeLogger;
 import com.android.inputmethod.latin.R;
@@ -78,6 +80,8 @@
  * @attr ref R.styleable#KeyboardView_shadowRadius
  */
 public class KeyboardView extends View implements PointerTracker.DrawingProxy {
+    private static final String TAG = KeyboardView.class.getSimpleName();
+
     // Miscellaneous constants
     private static final int[] LONG_PRESSABLE_STATE_SET = { android.R.attr.state_long_pressable };
 
@@ -114,7 +118,7 @@
     /** True if all keys should be drawn */
     private boolean mInvalidateAllKeys;
     /** The keys that should be drawn */
-    private final HashSet<Key> mInvalidatedKeys = new HashSet<Key>();
+    private final HashSet<Key> mInvalidatedKeys = CollectionUtils.newHashSet();
     /** The working rectangle variable */
     private final Rect mWorkingRect = new Rect();
     /** The keyboard bitmap buffer for faster updates */
@@ -932,9 +936,18 @@
         final int[] viewOrigin = new int[2];
         getLocationInWindow(viewOrigin);
         mPreviewPlacerView.setOrigin(viewOrigin[0], viewOrigin[1]);
-        final ViewGroup windowContentView =
-                (ViewGroup)getRootView().findViewById(android.R.id.content);
-        windowContentView.addView(mPreviewPlacerView);
+        final View rootView = getRootView();
+        if (rootView == null) {
+            Log.w(TAG, "Cannot find root view");
+            return;
+        }
+        final ViewGroup windowContentView = (ViewGroup)rootView.findViewById(android.R.id.content);
+        // Note: It'd be very weird if we get null by android.R.id.content.
+        if (windowContentView == null) {
+            Log.w(TAG, "Cannot find android.R.id.content view to add PreviewPlacerView");
+        } else {
+            windowContentView.addView(mPreviewPlacerView);
+        }
     }
 
     public void showGestureFloatingPreviewText(String gestureFloatingPreviewText) {
diff --git a/java/src/com/android/inputmethod/keyboard/MainKeyboardView.java b/java/src/com/android/inputmethod/keyboard/MainKeyboardView.java
index 9590290..f572cb8 100644
--- a/java/src/com/android/inputmethod/keyboard/MainKeyboardView.java
+++ b/java/src/com/android/inputmethod/keyboard/MainKeyboardView.java
@@ -608,9 +608,8 @@
     }
 
     private void invokeCodeInput(int primaryCode) {
-        mKeyboardActionListener.onCodeInput(primaryCode,
-                KeyboardActionListener.NOT_A_TOUCH_COORDINATE,
-                KeyboardActionListener.NOT_A_TOUCH_COORDINATE);
+        mKeyboardActionListener.onCodeInput(
+                primaryCode, Constants.NOT_A_COORDINATE, Constants.NOT_A_COORDINATE);
     }
 
     private void invokeReleaseKey(int primaryCode) {
diff --git a/java/src/com/android/inputmethod/keyboard/MoreKeysKeyboardView.java b/java/src/com/android/inputmethod/keyboard/MoreKeysKeyboardView.java
index 870eff2..e513a14 100644
--- a/java/src/com/android/inputmethod/keyboard/MoreKeysKeyboardView.java
+++ b/java/src/com/android/inputmethod/keyboard/MoreKeysKeyboardView.java
@@ -25,6 +25,7 @@
 
 import com.android.inputmethod.keyboard.PointerTracker.DrawingProxy;
 import com.android.inputmethod.keyboard.PointerTracker.TimerProxy;
+import com.android.inputmethod.latin.Constants;
 import com.android.inputmethod.latin.InputPointers;
 import com.android.inputmethod.latin.R;
 
@@ -50,7 +51,8 @@
         public void onCodeInput(int primaryCode, int x, int y) {
             // Because a more keys keyboard doesn't need proximity characters correction, we don't
             // send touch event coordinates.
-            mListener.onCodeInput(primaryCode, NOT_A_TOUCH_COORDINATE, NOT_A_TOUCH_COORDINATE);
+            mListener.onCodeInput(
+                    primaryCode, Constants.NOT_A_COORDINATE, Constants.NOT_A_COORDINATE);
         }
 
         @Override
diff --git a/java/src/com/android/inputmethod/keyboard/PointerTracker.java b/java/src/com/android/inputmethod/keyboard/PointerTracker.java
index 7d565a6..9d95320 100644
--- a/java/src/com/android/inputmethod/keyboard/PointerTracker.java
+++ b/java/src/com/android/inputmethod/keyboard/PointerTracker.java
@@ -27,6 +27,7 @@
 import com.android.inputmethod.accessibility.AccessibilityUtils;
 import com.android.inputmethod.keyboard.internal.GestureStroke;
 import com.android.inputmethod.keyboard.internal.PointerTrackerQueue;
+import com.android.inputmethod.latin.CollectionUtils;
 import com.android.inputmethod.latin.InputPointers;
 import com.android.inputmethod.latin.LatinImeLogger;
 import com.android.inputmethod.latin.define.ProductionFlag;
@@ -125,7 +126,7 @@
     private static int sTouchNoiseThresholdDistanceSquared;
     private static boolean sNeedsPhantomSuddenMoveEventHack;
 
-    private static final ArrayList<PointerTracker> sTrackers = new ArrayList<PointerTracker>();
+    private static final ArrayList<PointerTracker> sTrackers = CollectionUtils.newArrayList();
     private static final InputPointers sAggregratedPointers = new InputPointers(
             GestureStroke.DEFAULT_CAPACITY);
     private static PointerTrackerQueue sPointerTrackerQueue;
diff --git a/java/src/com/android/inputmethod/keyboard/ProximityInfo.java b/java/src/com/android/inputmethod/keyboard/ProximityInfo.java
index ac0a56b..71bf31f 100644
--- a/java/src/com/android/inputmethod/keyboard/ProximityInfo.java
+++ b/java/src/com/android/inputmethod/keyboard/ProximityInfo.java
@@ -20,6 +20,7 @@
 import android.text.TextUtils;
 
 import com.android.inputmethod.keyboard.Keyboard.Params.TouchPositionCorrection;
+import com.android.inputmethod.latin.Constants;
 import com.android.inputmethod.latin.JniUtils;
 
 import java.util.Arrays;
@@ -111,7 +112,7 @@
         final Key[] keys = mKeys;
         final TouchPositionCorrection touchPositionCorrection = mTouchPositionCorrection;
         final int[] proximityCharsArray = new int[mGridSize * MAX_PROXIMITY_CHARS_SIZE];
-        Arrays.fill(proximityCharsArray, KeyDetector.NOT_A_CODE);
+        Arrays.fill(proximityCharsArray, Constants.NOT_A_CODE);
         for (int i = 0; i < mGridSize; ++i) {
             final int proximityCharsLength = gridNeighborKeys[i].length;
             for (int j = 0; j < proximityCharsLength; ++j) {
@@ -234,7 +235,7 @@
             dest[index++] = code;
         }
         if (index < destLength) {
-            dest[index] = KeyDetector.NOT_A_CODE;
+            dest[index] = Constants.NOT_A_CODE;
         }
     }
 
diff --git a/java/src/com/android/inputmethod/keyboard/internal/KeySpecParser.java b/java/src/com/android/inputmethod/keyboard/internal/KeySpecParser.java
index 94a7b82..13214bb 100644
--- a/java/src/com/android/inputmethod/keyboard/internal/KeySpecParser.java
+++ b/java/src/com/android/inputmethod/keyboard/internal/KeySpecParser.java
@@ -21,6 +21,7 @@
 import android.text.TextUtils;
 
 import com.android.inputmethod.keyboard.Keyboard;
+import com.android.inputmethod.latin.CollectionUtils;
 import com.android.inputmethod.latin.LatinImeLogger;
 import com.android.inputmethod.latin.StringUtils;
 
@@ -258,7 +259,7 @@
             throw new IllegalArgumentException();
         }
 
-        final ArrayList<T> list = new ArrayList<T>(end - start);
+        final ArrayList<T> list = CollectionUtils.newArrayList(end - start);
         for (int i = start; i < end; i++) {
             list.add(array[i]);
         }
@@ -438,7 +439,7 @@
                 // Skip empty entry.
                 if (pos - start > 0) {
                     if (list == null) {
-                        list = new ArrayList<String>();
+                        list = CollectionUtils.newArrayList();
                     }
                     list.add(text.substring(start, pos));
                 }
diff --git a/java/src/com/android/inputmethod/keyboard/internal/KeyStyles.java b/java/src/com/android/inputmethod/keyboard/internal/KeyStyles.java
index 291b3b9..16fd715 100644
--- a/java/src/com/android/inputmethod/keyboard/internal/KeyStyles.java
+++ b/java/src/com/android/inputmethod/keyboard/internal/KeyStyles.java
@@ -21,6 +21,7 @@
 import android.util.SparseArray;
 
 import com.android.inputmethod.keyboard.Keyboard;
+import com.android.inputmethod.latin.CollectionUtils;
 import com.android.inputmethod.latin.R;
 import com.android.inputmethod.latin.XmlParseUtils;
 
@@ -33,7 +34,7 @@
     private static final String TAG = KeyStyles.class.getSimpleName();
     private static final boolean DEBUG = false;
 
-    final HashMap<String, KeyStyle> mStyles = new HashMap<String, KeyStyle>();
+    final HashMap<String, KeyStyle> mStyles = CollectionUtils.newHashMap();
 
     final KeyboardTextsSet mTextsSet;
     private final KeyStyle mEmptyKeyStyle;
diff --git a/java/src/com/android/inputmethod/keyboard/internal/KeyboardCodesSet.java b/java/src/com/android/inputmethod/keyboard/internal/KeyboardCodesSet.java
index f7981a3..f7923d0 100644
--- a/java/src/com/android/inputmethod/keyboard/internal/KeyboardCodesSet.java
+++ b/java/src/com/android/inputmethod/keyboard/internal/KeyboardCodesSet.java
@@ -17,13 +17,13 @@
 package com.android.inputmethod.keyboard.internal;
 
 import com.android.inputmethod.keyboard.Keyboard;
+import com.android.inputmethod.latin.CollectionUtils;
 
 import java.util.HashMap;
 
 public class KeyboardCodesSet {
-    private static final HashMap<String, int[]> sLanguageToCodesMap =
-            new HashMap<String, int[]>();
-    private static final HashMap<String, Integer> sNameToIdMap = new HashMap<String, Integer>();
+    private static final HashMap<String, int[]> sLanguageToCodesMap = CollectionUtils.newHashMap();
+    private static final HashMap<String, Integer> sNameToIdMap = CollectionUtils.newHashMap();
 
     private int[] mCodes = DEFAULT;
 
diff --git a/java/src/com/android/inputmethod/keyboard/internal/KeyboardIconsSet.java b/java/src/com/android/inputmethod/keyboard/internal/KeyboardIconsSet.java
index 5155851..4a98a36 100644
--- a/java/src/com/android/inputmethod/keyboard/internal/KeyboardIconsSet.java
+++ b/java/src/com/android/inputmethod/keyboard/internal/KeyboardIconsSet.java
@@ -22,6 +22,7 @@
 import android.util.Log;
 import android.util.SparseIntArray;
 
+import com.android.inputmethod.latin.CollectionUtils;
 import com.android.inputmethod.latin.R;
 
 import java.util.HashMap;
@@ -35,7 +36,7 @@
     private static final SparseIntArray ATTR_ID_TO_ICON_ID = new SparseIntArray();
 
     // Icon name to icon id map.
-    private static final HashMap<String, Integer> sNameToIdsMap = new HashMap<String, Integer>();
+    private static final HashMap<String, Integer> sNameToIdsMap = CollectionUtils.newHashMap();
 
     private static final Object[] NAMES_AND_ATTR_IDS = {
         "undefined",                    ATTR_UNDEFINED,
diff --git a/java/src/com/android/inputmethod/keyboard/internal/KeyboardTextsSet.java b/java/src/com/android/inputmethod/keyboard/internal/KeyboardTextsSet.java
index bec0f1f..a608cde 100644
--- a/java/src/com/android/inputmethod/keyboard/internal/KeyboardTextsSet.java
+++ b/java/src/com/android/inputmethod/keyboard/internal/KeyboardTextsSet.java
@@ -19,6 +19,7 @@
 import android.content.Context;
 import android.content.res.Resources;
 
+import com.android.inputmethod.latin.CollectionUtils;
 import com.android.inputmethod.latin.R;
 
 import java.util.HashMap;
@@ -45,14 +46,12 @@
  */
 public final class KeyboardTextsSet {
     // Language to texts map.
-    private static final HashMap<String, String[]> sLocaleToTextsMap =
-            new HashMap<String, String[]>();
-    private static final HashMap<String, Integer> sNameToIdsMap =
-            new HashMap<String, Integer>();
+    private static final HashMap<String, String[]> sLocaleToTextsMap = CollectionUtils.newHashMap();
+    private static final HashMap<String, Integer> sNameToIdsMap = CollectionUtils.newHashMap();
 
     private String[] mTexts;
     // Resource name to text map.
-    private HashMap<String, String> mResourceNameToTextsMap = new HashMap<String, String>();
+    private HashMap<String, String> mResourceNameToTextsMap = CollectionUtils.newHashMap();
 
     public void setLanguage(final String language) {
         mTexts = sLocaleToTextsMap.get(language);
diff --git a/java/src/com/android/inputmethod/keyboard/internal/PointerTrackerQueue.java b/java/src/com/android/inputmethod/keyboard/internal/PointerTrackerQueue.java
index 1c7ceaf..e0858c0 100644
--- a/java/src/com/android/inputmethod/keyboard/internal/PointerTrackerQueue.java
+++ b/java/src/com/android/inputmethod/keyboard/internal/PointerTrackerQueue.java
@@ -18,6 +18,8 @@
 
 import android.util.Log;
 
+import com.android.inputmethod.latin.CollectionUtils;
+
 import java.util.ArrayList;
 
 public class PointerTrackerQueue {
@@ -32,7 +34,7 @@
 
     private static final int INITIAL_CAPACITY = 10;
     private final ArrayList<Element> mExpandableArrayOfActivePointers =
-            new ArrayList<Element>(INITIAL_CAPACITY);
+            CollectionUtils.newArrayList(INITIAL_CAPACITY);
     private int mArraySize = 0;
 
     public synchronized int size() {
diff --git a/java/src/com/android/inputmethod/latin/AdditionalSubtype.java b/java/src/com/android/inputmethod/latin/AdditionalSubtype.java
index f8f1395..4b47a26 100644
--- a/java/src/com/android/inputmethod/latin/AdditionalSubtype.java
+++ b/java/src/com/android/inputmethod/latin/AdditionalSubtype.java
@@ -91,7 +91,7 @@
         }
         final String[] prefSubtypeArray = prefSubtypes.split(PREF_SUBTYPE_SEPARATOR);
         final ArrayList<InputMethodSubtype> subtypesList =
-                new ArrayList<InputMethodSubtype>(prefSubtypeArray.length);
+                CollectionUtils.newArrayList(prefSubtypeArray.length);
         for (final String prefSubtype : prefSubtypeArray) {
             final InputMethodSubtype subtype = createAdditionalSubtype(prefSubtype);
             if (subtype.getNameResId() == SubtypeLocale.UNKNOWN_KEYBOARD_LAYOUT) {
diff --git a/java/src/com/android/inputmethod/latin/AdditionalSubtypeSettings.java b/java/src/com/android/inputmethod/latin/AdditionalSubtypeSettings.java
index 779a388..d01592a 100644
--- a/java/src/com/android/inputmethod/latin/AdditionalSubtypeSettings.java
+++ b/java/src/com/android/inputmethod/latin/AdditionalSubtypeSettings.java
@@ -89,7 +89,7 @@
             super(context, android.R.layout.simple_spinner_item);
             setDropDownViewResource(android.R.layout.simple_spinner_dropdown_item);
 
-            final TreeSet<SubtypeLocaleItem> items = new TreeSet<SubtypeLocaleItem>();
+            final TreeSet<SubtypeLocaleItem> items = CollectionUtils.newTreeSet();
             final InputMethodInfo imi = ImfUtils.getInputMethodInfoOfThisIme(context);
             final int count = imi.getSubtypeCount();
             for (int i = 0; i < count; i++) {
@@ -533,7 +533,7 @@
 
     private InputMethodSubtype[] getSubtypes() {
         final PreferenceGroup group = getPreferenceScreen();
-        final ArrayList<InputMethodSubtype> subtypes = new ArrayList<InputMethodSubtype>();
+        final ArrayList<InputMethodSubtype> subtypes = CollectionUtils.newArrayList();
         final int count = group.getPreferenceCount();
         for (int i = 0; i < count; i++) {
             final Preference pref = group.getPreference(i);
diff --git a/java/src/com/android/inputmethod/latin/BinaryDictionary.java b/java/src/com/android/inputmethod/latin/BinaryDictionary.java
index 2d9e0ce..c04a99b 100644
--- a/java/src/com/android/inputmethod/latin/BinaryDictionary.java
+++ b/java/src/com/android/inputmethod/latin/BinaryDictionary.java
@@ -136,7 +136,7 @@
             final CharSequence prevWord, final ProximityInfo proximityInfo, int sessionId) {
         if (!isValidDictionary()) return null;
 
-        Arrays.fill(mInputCodePoints, WordComposer.NOT_A_CODE);
+        Arrays.fill(mInputCodePoints, Constants.NOT_A_CODE);
         // TODO: toLowerCase in the native code
         final int[] prevWordCodePointArray = (null == prevWord)
                 ? null : StringUtils.toCodePointArray(prevWord.toString());
@@ -160,7 +160,7 @@
                 mUseFullEditDistance, mOutputChars, mOutputScores, mSpaceIndices, mOutputTypes);
         final int count = Math.min(tmpCount, MAX_PREDICTIONS);
 
-        final ArrayList<SuggestedWordInfo> suggestions = new ArrayList<SuggestedWordInfo>();
+        final ArrayList<SuggestedWordInfo> suggestions = CollectionUtils.newArrayList();
         for (int j = 0; j < count; ++j) {
             if (composerSize > 0 && mOutputScores[j] < 1) break;
             final int start = j * MAX_WORD_LENGTH;
diff --git a/java/src/com/android/inputmethod/latin/BinaryDictionaryFileDumper.java b/java/src/com/android/inputmethod/latin/BinaryDictionaryFileDumper.java
index 236c198..799aea8 100644
--- a/java/src/com/android/inputmethod/latin/BinaryDictionaryFileDumper.java
+++ b/java/src/com/android/inputmethod/latin/BinaryDictionaryFileDumper.java
@@ -99,7 +99,7 @@
         }
 
         try {
-            final List<WordListInfo> list = new ArrayList<WordListInfo>();
+            final List<WordListInfo> list = CollectionUtils.newArrayList();
             do {
                 final String wordListId = c.getString(0);
                 final String wordListLocale = c.getString(1);
@@ -267,7 +267,7 @@
         final ContentResolver resolver = context.getContentResolver();
         final List<WordListInfo> idList = getWordListWordListInfos(locale, context,
                 hasDefaultWordList);
-        final List<AssetFileAddress> fileAddressList = new ArrayList<AssetFileAddress>();
+        final List<AssetFileAddress> fileAddressList = CollectionUtils.newArrayList();
         for (WordListInfo id : idList) {
             final AssetFileAddress afd = cacheWordList(id.mId, id.mLocale, resolver, context);
             if (null != afd) {
diff --git a/java/src/com/android/inputmethod/latin/BinaryDictionaryGetter.java b/java/src/com/android/inputmethod/latin/BinaryDictionaryGetter.java
index dd11aaa..4ada909 100644
--- a/java/src/com/android/inputmethod/latin/BinaryDictionaryGetter.java
+++ b/java/src/com/android/inputmethod/latin/BinaryDictionaryGetter.java
@@ -260,8 +260,7 @@
             final Context context) {
         final File[] directoryList = getCachedDirectoryList(context);
         if (null == directoryList) return EMPTY_FILE_ARRAY;
-        final HashMap<String, FileAndMatchLevel> cacheFiles =
-                new HashMap<String, FileAndMatchLevel>();
+        final HashMap<String, FileAndMatchLevel> cacheFiles = CollectionUtils.newHashMap();
         for (File directory : directoryList) {
             if (!directory.isDirectory()) continue;
             final String dirLocale = getWordListIdFromFileName(directory.getName());
@@ -359,7 +358,7 @@
             }
             final int formatVersion = raf.readInt();
             final int headerSize = raf.readInt();
-            final HashMap<String, String> options = new HashMap<String, String>();
+            final HashMap<String, String> options = CollectionUtils.newHashMap();
             BinaryDictInputOutput.populateOptionsFromFile(raf, headerSize, options);
             final String version = options.get(VERSION_KEY);
             if (null == version) {
@@ -404,7 +403,7 @@
         final DictPackSettings dictPackSettings = new DictPackSettings(context);
 
         boolean foundMainDict = false;
-        final ArrayList<AssetFileAddress> fileList = new ArrayList<AssetFileAddress>();
+        final ArrayList<AssetFileAddress> fileList = CollectionUtils.newArrayList();
         // cachedWordLists may not be null, see doc for getCachedDictionaryList
         for (final File f : cachedWordLists) {
             final String wordListId = getWordListIdFromFileName(f.getName());
diff --git a/java/src/com/android/inputmethod/latin/CollectionUtils.java b/java/src/com/android/inputmethod/latin/CollectionUtils.java
new file mode 100644
index 0000000..789b79a
--- /dev/null
+++ b/java/src/com/android/inputmethod/latin/CollectionUtils.java
@@ -0,0 +1,89 @@
+/*
+ * Copyright (C) 2012 The Android Open Source Project
+ *
+ * Licensed under the Apache License, Version 2.0 (the "License");
+ * you may not use this file except in compliance with the License.
+ * You may obtain a copy of the License at
+ *
+ *      http://www.apache.org/licenses/LICENSE-2.0
+ *
+ * Unless required by applicable law or agreed to in writing, software
+ * distributed under the License is distributed on an "AS IS" BASIS,
+ * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
+ * See the License for the specific language governing permissions and
+ * limitations under the License.
+ */
+
+package com.android.inputmethod.latin;
+
+import java.util.ArrayList;
+import java.util.Collection;
+import java.util.Collections;
+import java.util.HashMap;
+import java.util.HashSet;
+import java.util.LinkedList;
+import java.util.Map;
+import java.util.TreeMap;
+import java.util.TreeSet;
+import java.util.concurrent.ConcurrentHashMap;
+import java.util.concurrent.CopyOnWriteArrayList;
+
+public class CollectionUtils {
+    private CollectionUtils() {
+        // This utility class is not publicly instantiable.
+    }
+
+    public static <K,V> HashMap<K,V> newHashMap() {
+        return new HashMap<K,V>();
+    }
+
+    public static <K,V> TreeMap<K,V> newTreeMap() {
+        return new TreeMap<K,V>();
+    }
+
+    public static <K, V> Map<K,V> newSynchronizedTreeMap() {
+        final TreeMap<K,V> treeMap = newTreeMap();
+        return Collections.synchronizedMap(treeMap);
+    }
+
+    public static <K,V> ConcurrentHashMap<K,V> newConcurrentHashMap() {
+        return new ConcurrentHashMap<K,V>();
+    }
+
+    public static <E> HashSet<E> newHashSet() {
+        return new HashSet<E>();
+    }
+
+    public static <E> TreeSet<E> newTreeSet() {
+        return new TreeSet<E>();
+    }
+
+    public static <E> ArrayList<E> newArrayList() {
+        return new ArrayList<E>();
+    }
+
+    public static <E> ArrayList<E> newArrayList(final int initialCapacity) {
+        return new ArrayList<E>(initialCapacity);
+    }
+
+    public static <E> ArrayList<E> newArrayList(final Collection<E> collection) {
+        return new ArrayList<E>(collection);
+    }
+
+    public static <E> LinkedList<E> newLinkedList() {
+        return new LinkedList<E>();
+    }
+
+    public static <E> CopyOnWriteArrayList<E> newCopyOnWriteArrayList() {
+        return new CopyOnWriteArrayList<E>();
+    }
+
+    public static <E> CopyOnWriteArrayList<E> newCopyOnWriteArrayList(
+            final Collection<E> collection) {
+        return new CopyOnWriteArrayList<E>(collection);
+    }
+
+    public static <E> CopyOnWriteArrayList<E> newCopyOnWriteArrayList(final E[] array) {
+        return new CopyOnWriteArrayList<E>(array);
+    }
+}
diff --git a/java/src/com/android/inputmethod/latin/Constants.java b/java/src/com/android/inputmethod/latin/Constants.java
index 1242967..d71c0f9 100644
--- a/java/src/com/android/inputmethod/latin/Constants.java
+++ b/java/src/com/android/inputmethod/latin/Constants.java
@@ -128,6 +128,13 @@
         }
     }
 
+    public static final int NOT_A_CODE = -1;
+
+    // See {@link KeyboardActionListener.Adapter#isInvalidCoordinate(int)}.
+    public static final int NOT_A_COORDINATE = -1;
+    public static final int SUGGESTION_STRIP_COORDINATE = -2;
+    public static final int SPELL_CHECKER_COORDINATE = -3;
+
     private Constants() {
         // This utility class is not publicly instantiable.
     }
diff --git a/java/src/com/android/inputmethod/latin/DictionaryCollection.java b/java/src/com/android/inputmethod/latin/DictionaryCollection.java
index ee80f25..4acab6b 100644
--- a/java/src/com/android/inputmethod/latin/DictionaryCollection.java
+++ b/java/src/com/android/inputmethod/latin/DictionaryCollection.java
@@ -35,22 +35,22 @@
 
     public DictionaryCollection(final String dictType) {
         super(dictType);
-        mDictionaries = new CopyOnWriteArrayList<Dictionary>();
+        mDictionaries = CollectionUtils.newCopyOnWriteArrayList();
     }
 
     public DictionaryCollection(final String dictType, Dictionary... dictionaries) {
         super(dictType);
         if (null == dictionaries) {
-            mDictionaries = new CopyOnWriteArrayList<Dictionary>();
+            mDictionaries = CollectionUtils.newCopyOnWriteArrayList();
         } else {
-            mDictionaries = new CopyOnWriteArrayList<Dictionary>(dictionaries);
+            mDictionaries = CollectionUtils.newCopyOnWriteArrayList(dictionaries);
             mDictionaries.removeAll(Collections.singleton(null));
         }
     }
 
     public DictionaryCollection(final String dictType, Collection<Dictionary> dictionaries) {
         super(dictType);
-        mDictionaries = new CopyOnWriteArrayList<Dictionary>(dictionaries);
+        mDictionaries = CollectionUtils.newCopyOnWriteArrayList(dictionaries);
         mDictionaries.removeAll(Collections.singleton(null));
     }
 
@@ -63,7 +63,7 @@
         // dictionary and add the rest to it if not null, hence the get(0)
         ArrayList<SuggestedWordInfo> suggestions = dictionaries.get(0).getSuggestions(composer,
                 prevWord, proximityInfo);
-        if (null == suggestions) suggestions = new ArrayList<SuggestedWordInfo>();
+        if (null == suggestions) suggestions = CollectionUtils.newArrayList();
         final int length = dictionaries.size();
         for (int i = 1; i < length; ++ i) {
             final ArrayList<SuggestedWordInfo> sugg = dictionaries.get(i).getSuggestions(composer,
diff --git a/java/src/com/android/inputmethod/latin/DictionaryFactory.java b/java/src/com/android/inputmethod/latin/DictionaryFactory.java
index 06a5f4b..cdd01d0 100644
--- a/java/src/com/android/inputmethod/latin/DictionaryFactory.java
+++ b/java/src/com/android/inputmethod/latin/DictionaryFactory.java
@@ -53,7 +53,7 @@
                     createBinaryDictionary(context, locale));
         }
 
-        final LinkedList<Dictionary> dictList = new LinkedList<Dictionary>();
+        final LinkedList<Dictionary> dictList = CollectionUtils.newLinkedList();
         final ArrayList<AssetFileAddress> assetFileList =
                 BinaryDictionaryGetter.getDictionaryFiles(locale, context);
         if (null != assetFileList) {
diff --git a/java/src/com/android/inputmethod/latin/ExpandableBinaryDictionary.java b/java/src/com/android/inputmethod/latin/ExpandableBinaryDictionary.java
index 016530a..cdf5247 100644
--- a/java/src/com/android/inputmethod/latin/ExpandableBinaryDictionary.java
+++ b/java/src/com/android/inputmethod/latin/ExpandableBinaryDictionary.java
@@ -62,7 +62,7 @@
      * that filename.
      */
     private static final HashMap<String, DictionaryController> sSharedDictionaryControllers =
-            new HashMap<String, DictionaryController>();
+            CollectionUtils.newHashMap();
 
     /** The application context. */
     protected final Context mContext;
@@ -159,9 +159,9 @@
      * the native side.
      */
     public void clearFusionDictionary() {
+        final HashMap<String, String> attributes = CollectionUtils.newHashMap();
         mFusionDictionary = new FusionDictionary(new Node(),
-                new FusionDictionary.DictionaryOptions(new HashMap<String, String>(), false, 
-                        false));
+                new FusionDictionary.DictionaryOptions(attributes, false, false));
     }
 
     /**
@@ -175,7 +175,7 @@
             mFusionDictionary.add(word, frequency, null);
         } else {
             // TODO: Do this in the subclass, with this class taking an arraylist.
-            final ArrayList<WeightedString> shortcutTargets = new ArrayList<WeightedString>();
+            final ArrayList<WeightedString> shortcutTargets = CollectionUtils.newArrayList();
             shortcutTargets.add(new WeightedString(shortcutTarget, frequency));
             mFusionDictionary.add(word, frequency, shortcutTargets);
         }
diff --git a/java/src/com/android/inputmethod/latin/ExpandableDictionary.java b/java/src/com/android/inputmethod/latin/ExpandableDictionary.java
index 89ef284..8a38d1e 100644
--- a/java/src/com/android/inputmethod/latin/ExpandableDictionary.java
+++ b/java/src/com/android/inputmethod/latin/ExpandableDictionary.java
@@ -19,7 +19,6 @@
 import android.content.Context;
 import android.text.TextUtils;
 
-import com.android.inputmethod.keyboard.KeyDetector;
 import com.android.inputmethod.keyboard.Keyboard;
 import com.android.inputmethod.keyboard.ProximityInfo;
 import com.android.inputmethod.latin.SuggestedWords.SuggestedWordInfo;
@@ -231,7 +230,7 @@
             childNode.mTerminal = true;
             if (isShortcutOnly) {
                 if (null == childNode.mShortcutTargets) {
-                    childNode.mShortcutTargets = new ArrayList<char[]>();
+                    childNode.mShortcutTargets = CollectionUtils.newArrayList();
                 }
                 childNode.mShortcutTargets.add(shortcutTarget.toCharArray());
             } else {
@@ -260,7 +259,7 @@
             return suggestions;
         } else {
             if (TextUtils.isEmpty(prevWord)) return null;
-            final ArrayList<SuggestedWordInfo> suggestions = new ArrayList<SuggestedWordInfo>();
+            final ArrayList<SuggestedWordInfo> suggestions = CollectionUtils.newArrayList();
             runBigramReverseLookUp(prevWord, suggestions);
             return suggestions;
         }
@@ -279,7 +278,7 @@
 
     protected ArrayList<SuggestedWordInfo> getWordsInner(final WordComposer codes,
             final CharSequence prevWordForBigrams, final ProximityInfo proximityInfo) {
-        final ArrayList<SuggestedWordInfo> suggestions = new ArrayList<SuggestedWordInfo>();
+        final ArrayList<SuggestedWordInfo> suggestions = CollectionUtils.newArrayList();
         mInputLength = codes.size();
         if (mCodes.length < mInputLength) mCodes = new int[mInputLength][];
         final InputPointers ips = codes.getInputPointers();
@@ -292,9 +291,9 @@
                 mCodes[i] = new int[ProximityInfo.MAX_PROXIMITY_CHARS_SIZE];
             }
             final int x = xCoordinates != null && i < xCoordinates.length ?
-                    xCoordinates[i] : WordComposer.NOT_A_COORDINATE;
+                    xCoordinates[i] : Constants.NOT_A_COORDINATE;
             final int y = xCoordinates != null && i < yCoordinates.length ?
-                    yCoordinates[i] : WordComposer.NOT_A_COORDINATE;
+                    yCoordinates[i] : Constants.NOT_A_COORDINATE;
             proximityInfo.fillArrayWithNearestKeyCodes(x, y, codes.getCodeAt(i), mCodes[i]);
         }
         mMaxDepth = mInputLength * 3;
@@ -487,7 +486,7 @@
                 for (int j = 0; j < alternativesSize; j++) {
                     final int addedAttenuation = (j > 0 ? 1 : 2);
                     final int currentChar = currentChars[j];
-                    if (currentChar == KeyDetector.NOT_A_CODE) {
+                    if (currentChar == Constants.NOT_A_CODE) {
                         break;
                     }
                     if (currentChar == lowerC || currentChar == c) {
@@ -551,7 +550,7 @@
         Node secondWord = searchWord(mRoots, word2, 0, null);
         LinkedList<NextWord> bigrams = firstWord.mNGrams;
         if (bigrams == null || bigrams.size() == 0) {
-            firstWord.mNGrams = new LinkedList<NextWord>();
+            firstWord.mNGrams = CollectionUtils.newLinkedList();
             bigrams = firstWord.mNGrams;
         } else {
             for (NextWord nw : bigrams) {
diff --git a/java/src/com/android/inputmethod/latin/LatinIME.java b/java/src/com/android/inputmethod/latin/LatinIME.java
index a7896ad..8ff86ad 100644
--- a/java/src/com/android/inputmethod/latin/LatinIME.java
+++ b/java/src/com/android/inputmethod/latin/LatinIME.java
@@ -907,13 +907,13 @@
                 }
             }
         }
-        if (ProductionFlag.IS_EXPERIMENTAL) {
-            ResearchLogger.latinIME_onDisplayCompletions(applicationSpecifiedCompletions);
-        }
         if (!mCurrentSettings.isApplicationSpecifiedCompletionsOn()) return;
         mApplicationSpecifiedCompletions = applicationSpecifiedCompletions;
         if (applicationSpecifiedCompletions == null) {
             clearSuggestionStrip();
+            if (ProductionFlag.IS_EXPERIMENTAL) {
+                ResearchLogger.latinIME_onDisplayCompletions(null);
+            }
             return;
         }
 
@@ -935,6 +935,9 @@
         // this case? This says to keep whatever the user typed.
         mWordComposer.setAutoCorrection(mWordComposer.getTypedWord());
         setSuggestionStripShown(true);
+        if (ProductionFlag.IS_EXPERIMENTAL) {
+            ResearchLogger.latinIME_onDisplayCompletions(applicationSpecifiedCompletions);
+        }
     }
 
     private void setSuggestionStripShownInternal(boolean shown, boolean needsInputViewShown) {
@@ -1055,9 +1058,6 @@
         final CharSequence typedWord = mWordComposer.getTypedWord();
         if (typedWord.length() > 0) {
             mConnection.commitText(typedWord, 1);
-            if (ProductionFlag.IS_EXPERIMENTAL) {
-                ResearchLogger.latinIME_commitText(typedWord);
-            }
             final CharSequence prevWord = addToUserHistoryDictionary(typedWord);
             mLastComposedWord = mWordComposer.commitWord(
                     LastComposedWord.COMMIT_TYPE_USER_TYPED_WORD, typedWord.toString(),
@@ -1093,18 +1093,27 @@
         return mConnection.getCursorCapsMode(inputType);
     }
 
+    // Factor in auto-caps and manual caps and compute the current caps mode.
+    private int getActualCapsMode() {
+        final int manual = mKeyboardSwitcher.getManualCapsMode();
+        if (manual != WordComposer.CAPS_MODE_OFF) return manual;
+        final int auto = getCurrentAutoCapsState();
+        if (0 != (auto & TextUtils.CAP_MODE_CHARACTERS)) {
+            return WordComposer.CAPS_MODE_AUTO_SHIFT_LOCKED;
+        }
+        if (0 != auto) return WordComposer.CAPS_MODE_AUTO_SHIFTED;
+        return WordComposer.CAPS_MODE_OFF;
+    }
+
     private void swapSwapperAndSpace() {
         CharSequence lastTwo = mConnection.getTextBeforeCursor(2, 0);
         // It is guaranteed lastTwo.charAt(1) is a swapper - else this method is not called.
         if (lastTwo != null && lastTwo.length() == 2
                 && lastTwo.charAt(0) == Keyboard.CODE_SPACE) {
             mConnection.deleteSurroundingText(2, 0);
-            if (ProductionFlag.IS_EXPERIMENTAL) {
-                ResearchLogger.latinIME_deleteSurroundingText(2);
-            }
             mConnection.commitText(lastTwo.charAt(1) + " ", 1);
             if (ProductionFlag.IS_EXPERIMENTAL) {
-                ResearchLogger.latinIME_swapSwapperAndSpaceWhileInBatchEdit();
+                ResearchLogger.latinIME_swapSwapperAndSpace();
             }
             mKeyboardSwitcher.updateShiftState();
         }
@@ -1121,9 +1130,6 @@
             mHandler.cancelDoubleSpacesTimer();
             mConnection.deleteSurroundingText(2, 0);
             mConnection.commitText(". ", 1);
-            if (ProductionFlag.IS_EXPERIMENTAL) {
-                ResearchLogger.latinIME_doubleSpaceAutoPeriod();
-            }
             mKeyboardSwitcher.updateShiftState();
             return true;
         }
@@ -1187,9 +1193,6 @@
 
     private void performEditorAction(int actionId) {
         mConnection.performEditorAction(actionId);
-        if (ProductionFlag.IS_EXPERIMENTAL) {
-            ResearchLogger.latinIME_performEditorAction(actionId);
-        }
     }
 
     private void handleLanguageSwitchKey() {
@@ -1226,6 +1229,9 @@
         // For backward compatibility. See {@link InputMethodService#sendKeyChar(char)}.
         if (code >= '0' && code <= '9') {
             super.sendKeyChar((char)code);
+            if (ProductionFlag.IS_EXPERIMENTAL) {
+                ResearchLogger.latinIME_sendKeyCodePoint(code);
+            }
             return;
         }
 
@@ -1242,9 +1248,6 @@
             final String text = new String(new int[] { code }, 0, 1);
             mConnection.commitText(text, text.length());
         }
-        if (ProductionFlag.IS_EXPERIMENTAL) {
-            ResearchLogger.latinIME_sendKeyCodePoint(code);
-        }
     }
 
     // Implementation of {@link KeyboardActionListener}.
@@ -1326,8 +1329,8 @@
                     keyX = x;
                     keyY = y;
                 } else {
-                    keyX = NOT_A_TOUCH_COORDINATE;
-                    keyY = NOT_A_TOUCH_COORDINATE;
+                    keyX = Constants.NOT_A_COORDINATE;
+                    keyY = Constants.NOT_A_COORDINATE;
                 }
                 handleCharacter(primaryCode, keyX, keyY, spaceState);
             }
@@ -1355,9 +1358,6 @@
             sendKeyCodePoint(Keyboard.CODE_SPACE);
         }
         mConnection.commitText(text, 1);
-        if (ProductionFlag.IS_EXPERIMENTAL) {
-            ResearchLogger.latinIME_commitText(text);
-        }
         mConnection.endBatchEdit();
         mKeyboardSwitcher.updateShiftState();
         mKeyboardSwitcher.onCodeInput(Keyboard.CODE_OUTPUT_TEXT);
@@ -1377,8 +1377,7 @@
         }
         mConnection.endBatchEdit();
         // TODO: Should handle TextUtils.CAP_MODE_CHARACTER.
-        mWordComposer.setAutoCapitalized(
-                getCurrentAutoCapsState() != Constants.TextUtils.CAP_MODE_OFF);
+        mWordComposer.setCapitalizedModeAtStartComposingTime(getActualCapsMode());
     }
 
     @Override
@@ -1456,9 +1455,6 @@
             // like the smiley key or the .com key.
             final int length = mEnteredText.length();
             mConnection.deleteSurroundingText(length, 0);
-            if (ProductionFlag.IS_EXPERIMENTAL) {
-                ResearchLogger.latinIME_deleteSurroundingText(length);
-            }
             // If we have mEnteredText, then we know that mHasUncommittedTypedChars == false.
             // In addition we know that spaceState is false, and that we should not be
             // reverting any autocorrect at this point. So we can safely return.
@@ -1478,9 +1474,6 @@
                 mHandler.postUpdateSuggestionStrip();
             } else {
                 mConnection.deleteSurroundingText(1, 0);
-                if (ProductionFlag.IS_EXPERIMENTAL) {
-                    ResearchLogger.latinIME_deleteSurroundingText(1);
-                }
             }
         } else {
             if (mLastComposedWord.canRevertCommit()) {
@@ -1509,9 +1502,6 @@
                 final int lengthToDelete = mLastSelectionEnd - mLastSelectionStart;
                 mConnection.setSelection(mLastSelectionEnd, mLastSelectionEnd);
                 mConnection.deleteSurroundingText(lengthToDelete, 0);
-                if (ProductionFlag.IS_EXPERIMENTAL) {
-                    ResearchLogger.latinIME_deleteSurroundingText(lengthToDelete);
-                }
             } else {
                 // There is no selection, just delete one character.
                 if (NOT_A_CURSOR_POSITION == mLastSelectionEnd) {
@@ -1530,14 +1520,8 @@
                 } else {
                     mConnection.deleteSurroundingText(1, 0);
                 }
-                if (ProductionFlag.IS_EXPERIMENTAL) {
-                    ResearchLogger.latinIME_deleteSurroundingText(1);
-                }
                 if (mDeleteCount > DELETE_ACCELERATE_AT) {
                     mConnection.deleteSurroundingText(1, 0);
-                    if (ProductionFlag.IS_EXPERIMENTAL) {
-                        ResearchLogger.latinIME_deleteSurroundingText(1);
-                    }
                 }
             }
             if (mCurrentSettings.isSuggestionsRequested(mDisplayOrientation)) {
@@ -1613,13 +1597,12 @@
             mWordComposer.add(primaryCode, keyX, keyY);
             // If it's the first letter, make note of auto-caps state
             if (mWordComposer.size() == 1) {
-                mWordComposer.setAutoCapitalized(
-                        getCurrentAutoCapsState() != Constants.TextUtils.CAP_MODE_OFF);
+                mWordComposer.setCapitalizedModeAtStartComposingTime(getActualCapsMode());
             }
             mConnection.setComposingText(getTextWithUnderline(mWordComposer.getTypedWord()), 1);
         } else {
             final boolean swapWeakSpace = maybeStripSpace(primaryCode,
-                    spaceState, KeyboardActionListener.SUGGESTION_STRIP_COORDINATE == x);
+                    spaceState, Constants.SUGGESTION_STRIP_COORDINATE == x);
 
             sendKeyCodePoint(primaryCode);
 
@@ -1649,7 +1632,7 @@
         }
 
         final boolean swapWeakSpace = maybeStripSpace(primaryCode, spaceState,
-                KeyboardActionListener.SUGGESTION_STRIP_COORDINATE == x);
+                Constants.SUGGESTION_STRIP_COORDINATE == x);
 
         if (SPACE_STATE_PHANTOM == spaceState &&
                 mCurrentSettings.isPhantomSpacePromotingSymbol(primaryCode)) {
@@ -1863,10 +1846,6 @@
                         + "is empty? Impossible! I must commit suicide.");
             }
             Utils.Stats.onAutoCorrection(typedWord, autoCorrection.toString(), separatorCodePoint);
-            if (ProductionFlag.IS_EXPERIMENTAL) {
-                ResearchLogger.latinIME_commitCurrentAutoCorrection(typedWord,
-                        autoCorrection.toString());
-            }
             mExpectingUpdateSelection = true;
             commitChosenWord(autoCorrection, LastComposedWord.COMMIT_TYPE_DECIDED_WORD,
                     separatorCodePoint);
@@ -1883,8 +1862,7 @@
     // Called from {@link SuggestionStripView} through the {@link SuggestionStripView#Listener}
     // interface
     @Override
-    public void pickSuggestionManually(final int index, final CharSequence suggestion,
-            final int x, final int y) {
+    public void pickSuggestionManually(final int index, final CharSequence suggestion) {
         final SuggestedWords suggestedWords = mSuggestionStripView.getSuggestions();
         // If this is a punctuation picked from the suggestion strip, pass it to onCodeInput
         if (suggestion.length() == 1 && isShowingPunctuationList()) {
@@ -1892,13 +1870,12 @@
             // So, LatinImeLogger logs "" as a user's input.
             LatinImeLogger.logOnManualSuggestion("", suggestion.toString(), index, suggestedWords);
             // Rely on onCodeInput to do the complicated swapping/stripping logic consistently.
-            if (ProductionFlag.IS_EXPERIMENTAL) {
-                ResearchLogger.latinIME_punctuationSuggestion(index, suggestion, x, y);
-            }
             final int primaryCode = suggestion.charAt(0);
             onCodeInput(primaryCode,
-                    KeyboardActionListener.SUGGESTION_STRIP_COORDINATE,
-                    KeyboardActionListener.SUGGESTION_STRIP_COORDINATE);
+                    Constants.SUGGESTION_STRIP_COORDINATE, Constants.SUGGESTION_STRIP_COORDINATE);
+            if (ProductionFlag.IS_EXPERIMENTAL) {
+                ResearchLogger.latinIME_punctuationSuggestion(index, suggestion);
+            }
             return;
         }
 
@@ -1925,10 +1902,6 @@
             final CompletionInfo completionInfo = mApplicationSpecifiedCompletions[index];
             mConnection.commitCompletion(completionInfo);
             mConnection.endBatchEdit();
-            if (ProductionFlag.IS_EXPERIMENTAL) {
-                ResearchLogger.latinIME_pickApplicationSpecifiedCompletion(index,
-                        completionInfo.getText(), x, y);
-            }
             return;
         }
 
@@ -1937,12 +1910,12 @@
         final String replacedWord = mWordComposer.getTypedWord().toString();
         LatinImeLogger.logOnManualSuggestion(replacedWord,
                 suggestion.toString(), index, suggestedWords);
-        if (ProductionFlag.IS_EXPERIMENTAL) {
-            ResearchLogger.latinIME_pickSuggestionManually(replacedWord, index, suggestion, x, y);
-        }
         mExpectingUpdateSelection = true;
         commitChosenWord(suggestion, LastComposedWord.COMMIT_TYPE_MANUAL_PICK,
                 LastComposedWord.NOT_A_SEPARATOR);
+        if (ProductionFlag.IS_EXPERIMENTAL) {
+            ResearchLogger.latinIME_pickSuggestionManually(replacedWord, index, suggestion);
+        }
         mConnection.endBatchEdit();
         // Don't allow cancellation of manual pick
         mLastComposedWord.deactivate();
@@ -1958,8 +1931,8 @@
                 // If the suggestion is not in the dictionary, the hint should be shown.
                 && !AutoCorrection.isValidWord(mSuggest.getUnigramDictionaries(), suggestion, true);
 
-        Utils.Stats.onSeparator((char)Keyboard.CODE_SPACE, WordComposer.NOT_A_COORDINATE,
-                WordComposer.NOT_A_COORDINATE);
+        Utils.Stats.onSeparator((char)Keyboard.CODE_SPACE,
+                Constants.NOT_A_COORDINATE, Constants.NOT_A_COORDINATE);
         if (showingAddToDictionaryHint && mIsUserDictionaryAvailable) {
             mSuggestionStripView.showAddToDictionaryHint(
                     suggestion, mCurrentSettings.mHintToSaveText);
@@ -1977,9 +1950,6 @@
         final SuggestedWords suggestedWords = mSuggestionStripView.getSuggestions();
         mConnection.commitText(SuggestionSpanUtils.getTextWithSuggestionSpan(
                 this, chosenWord, suggestedWords, mIsMainDictionaryAvailable), 1);
-        if (ProductionFlag.IS_EXPERIMENTAL) {
-            ResearchLogger.latinIME_commitText(chosenWord);
-        }
         // Add the word to the user history dictionary
         final CharSequence prevWord = addToUserHistoryDictionary(chosenWord);
         // TODO: figure out here if this is an auto-correct or if the best word is actually
@@ -2014,7 +1984,7 @@
             final CharSequence prevWord
                     = mConnection.getNthPreviousWord(mCurrentSettings.mWordSeparators, 2);
             final String secondWord;
-            if (mWordComposer.isAutoCapitalized() && !mWordComposer.isMostlyCaps()) {
+            if (mWordComposer.wasAutoCapitalized() && !mWordComposer.isMostlyCaps()) {
                 secondWord = suggestion.toString().toLowerCase(
                         mSubtypeSwitcher.getCurrentSubtypeLocale());
             } else {
@@ -2047,9 +2017,6 @@
         mWordComposer.setComposingWord(word, mKeyboardSwitcher.getKeyboard());
         final int length = word.length();
         mConnection.deleteSurroundingText(length, 0);
-        if (ProductionFlag.IS_EXPERIMENTAL) {
-            ResearchLogger.latinIME_deleteSurroundingText(length);
-        }
         mConnection.setComposingText(word, 1);
         mHandler.postUpdateSuggestionStrip();
     }
@@ -2077,9 +2044,6 @@
             }
         }
         mConnection.deleteSurroundingText(deleteLength, 0);
-        if (ProductionFlag.IS_EXPERIMENTAL) {
-            ResearchLogger.latinIME_deleteSurroundingText(deleteLength);
-        }
         if (!TextUtils.isEmpty(previousWord) && !TextUtils.isEmpty(committedWord)) {
             mUserHistoryDictionary.cancelAddingUserHistory(
                     previousWord.toString(), committedWord.toString());
@@ -2087,8 +2051,8 @@
         mConnection.commitText(originallyTypedWord, 1);
         // Re-insert the separator
         sendKeyCodePoint(mLastComposedWord.mSeparatorCode);
-        Utils.Stats.onSeparator(mLastComposedWord.mSeparatorCode, WordComposer.NOT_A_COORDINATE,
-                WordComposer.NOT_A_COORDINATE);
+        Utils.Stats.onSeparator(mLastComposedWord.mSeparatorCode,
+                Constants.NOT_A_COORDINATE, Constants.NOT_A_COORDINATE);
         if (ProductionFlag.IS_EXPERIMENTAL) {
             ResearchLogger.latinIME_revertCommit(originallyTypedWord);
         }
diff --git a/java/src/com/android/inputmethod/latin/LocaleUtils.java b/java/src/com/android/inputmethod/latin/LocaleUtils.java
index b938dd3..3b08cab 100644
--- a/java/src/com/android/inputmethod/latin/LocaleUtils.java
+++ b/java/src/com/android/inputmethod/latin/LocaleUtils.java
@@ -193,7 +193,7 @@
         }
     }
 
-    private static final HashMap<String, Locale> sLocaleCache = new HashMap<String, Locale>();
+    private static final HashMap<String, Locale> sLocaleCache = CollectionUtils.newHashMap();
 
     /**
      * Creates a locale from a string specification.
diff --git a/java/src/com/android/inputmethod/latin/RichInputConnection.java b/java/src/com/android/inputmethod/latin/RichInputConnection.java
index 8b4c173..41e59e9 100644
--- a/java/src/com/android/inputmethod/latin/RichInputConnection.java
+++ b/java/src/com/android/inputmethod/latin/RichInputConnection.java
@@ -55,7 +55,9 @@
     public void beginBatchEdit() {
         if (++mNestLevel == 1) {
             mIC = mParent.getCurrentInputConnection();
-            if (null != mIC) mIC.beginBatchEdit();
+            if (null != mIC) {
+                mIC.beginBatchEdit();
+            }
         } else {
             if (DBG) {
                 throw new RuntimeException("Nest level too deep");
@@ -66,7 +68,9 @@
     }
     public void endBatchEdit() {
         if (mNestLevel <= 0) Log.e(TAG, "Batch edit not in progress!"); // TODO: exception instead
-        if (--mNestLevel == 0 && null != mIC) mIC.endBatchEdit();
+        if (--mNestLevel == 0 && null != mIC) {
+            mIC.endBatchEdit();
+        }
     }
 
     private void checkBatchEdit() {
@@ -79,12 +83,22 @@
 
     public void finishComposingText() {
         checkBatchEdit();
-        if (null != mIC) mIC.finishComposingText();
+        if (null != mIC) {
+            mIC.finishComposingText();
+            if (ProductionFlag.IS_EXPERIMENTAL) {
+                ResearchLogger.richInputConnection_finishComposingText();
+            }
+        }
     }
 
     public void commitText(final CharSequence text, final int i) {
         checkBatchEdit();
-        if (null != mIC) mIC.commitText(text, i);
+        if (null != mIC) {
+            mIC.commitText(text, i);
+            if (ProductionFlag.IS_EXPERIMENTAL) {
+                ResearchLogger.richInputConnection_commitText(text, i);
+            }
+        }
     }
 
     public int getCursorCapsMode(final int inputType) {
@@ -107,37 +121,72 @@
 
     public void deleteSurroundingText(final int i, final int j) {
         checkBatchEdit();
-        if (null != mIC) mIC.deleteSurroundingText(i, j);
+        if (null != mIC) {
+            mIC.deleteSurroundingText(i, j);
+            if (ProductionFlag.IS_EXPERIMENTAL) {
+                ResearchLogger.richInputConnection_deleteSurroundingText(i, j);
+            }
+        }
     }
 
     public void performEditorAction(final int actionId) {
         mIC = mParent.getCurrentInputConnection();
-        if (null != mIC) mIC.performEditorAction(actionId);
+        if (null != mIC) {
+            mIC.performEditorAction(actionId);
+            if (ProductionFlag.IS_EXPERIMENTAL) {
+                ResearchLogger.richInputConnection_performEditorAction(actionId);
+            }
+        }
     }
 
     public void sendKeyEvent(final KeyEvent keyEvent) {
         checkBatchEdit();
-        if (null != mIC) mIC.sendKeyEvent(keyEvent);
+        if (null != mIC) {
+            mIC.sendKeyEvent(keyEvent);
+            if (ProductionFlag.IS_EXPERIMENTAL) {
+                ResearchLogger.richInputConnection_sendKeyEvent(keyEvent);
+            }
+        }
     }
 
     public void setComposingText(final CharSequence text, final int i) {
         checkBatchEdit();
-        if (null != mIC) mIC.setComposingText(text, i);
+        if (null != mIC) {
+            mIC.setComposingText(text, i);
+            if (ProductionFlag.IS_EXPERIMENTAL) {
+                ResearchLogger.richInputConnection_setComposingText(text, i);
+            }
+        }
     }
 
     public void setSelection(final int from, final int to) {
         checkBatchEdit();
-        if (null != mIC) mIC.setSelection(from, to);
+        if (null != mIC) {
+            mIC.setSelection(from, to);
+            if (ProductionFlag.IS_EXPERIMENTAL) {
+                ResearchLogger.richInputConnection_setSelection(from, to);
+            }
+        }
     }
 
     public void commitCorrection(final CorrectionInfo correctionInfo) {
         checkBatchEdit();
-        if (null != mIC) mIC.commitCorrection(correctionInfo);
+        if (null != mIC) {
+            mIC.commitCorrection(correctionInfo);
+            if (ProductionFlag.IS_EXPERIMENTAL) {
+                ResearchLogger.richInputConnection_commitCorrection(correctionInfo);
+            }
+        }
     }
 
     public void commitCompletion(final CompletionInfo completionInfo) {
         checkBatchEdit();
-        if (null != mIC) mIC.commitCompletion(completionInfo);
+        if (null != mIC) {
+            mIC.commitCompletion(completionInfo);
+            if (ProductionFlag.IS_EXPERIMENTAL) {
+                ResearchLogger.richInputConnection_commitCompletion(completionInfo);
+            }
+        }
     }
 
     public CharSequence getNthPreviousWord(final String sentenceSeperators, final int n) {
@@ -315,9 +364,6 @@
         if (lastOne != null && lastOne.length() == 1
                 && lastOne.charAt(0) == Keyboard.CODE_SPACE) {
             deleteSurroundingText(1, 0);
-            if (ProductionFlag.IS_EXPERIMENTAL) {
-                ResearchLogger.latinIME_deleteSurroundingText(1);
-            }
         }
     }
 
@@ -382,13 +428,7 @@
             return false;
         }
         deleteSurroundingText(2, 0);
-        if (ProductionFlag.IS_EXPERIMENTAL) {
-            ResearchLogger.latinIME_deleteSurroundingText(2);
-        }
         commitText("  ", 1);
-        if (ProductionFlag.IS_EXPERIMENTAL) {
-            ResearchLogger.latinIME_revertDoubleSpaceWhileInBatchEdit();
-        }
         return true;
     }
 
@@ -409,13 +449,7 @@
             return false;
         }
         deleteSurroundingText(2, 0);
-        if (ProductionFlag.IS_EXPERIMENTAL) {
-            ResearchLogger.latinIME_deleteSurroundingText(2);
-        }
         commitText(" " + textBeforeCursor.subSequence(0, 1), 1);
-        if (ProductionFlag.IS_EXPERIMENTAL) {
-            ResearchLogger.latinIME_revertSwapPunctuation();
-        }
         return true;
     }
 }
diff --git a/java/src/com/android/inputmethod/latin/SettingsValues.java b/java/src/com/android/inputmethod/latin/SettingsValues.java
index c8755be..dcd2532 100644
--- a/java/src/com/android/inputmethod/latin/SettingsValues.java
+++ b/java/src/com/android/inputmethod/latin/SettingsValues.java
@@ -185,7 +185,7 @@
 
     // Helper functions to create member values.
     private static SuggestedWords createSuggestPuncList(final String[] puncs) {
-        final ArrayList<SuggestedWordInfo> puncList = new ArrayList<SuggestedWordInfo>();
+        final ArrayList<SuggestedWordInfo> puncList = CollectionUtils.newArrayList();
         if (puncs != null) {
             for (final String puncSpec : puncs) {
                 puncList.add(new SuggestedWordInfo(KeySpecParser.getLabel(puncSpec),
diff --git a/java/src/com/android/inputmethod/latin/StringUtils.java b/java/src/com/android/inputmethod/latin/StringUtils.java
index 6e7d985..39c59b4 100644
--- a/java/src/com/android/inputmethod/latin/StringUtils.java
+++ b/java/src/com/android/inputmethod/latin/StringUtils.java
@@ -53,7 +53,7 @@
         if (TextUtils.isEmpty(csv)) return "";
         final String[] elements = csv.split(",");
         if (!containsInArray(key, elements)) return csv;
-        final ArrayList<String> result = new ArrayList<String>(elements.length - 1);
+        final ArrayList<String> result = CollectionUtils.newArrayList(elements.length - 1);
         for (final String element : elements) {
             if (!key.equals(element)) result.add(element);
         }
diff --git a/java/src/com/android/inputmethod/latin/SubtypeLocale.java b/java/src/com/android/inputmethod/latin/SubtypeLocale.java
index 21c9c0d..de5f515 100644
--- a/java/src/com/android/inputmethod/latin/SubtypeLocale.java
+++ b/java/src/com/android/inputmethod/latin/SubtypeLocale.java
@@ -45,13 +45,13 @@
     private static String[] sPredefinedKeyboardLayoutSet;
     // Keyboard layout to its display name map.
     private static final HashMap<String, String> sKeyboardLayoutToDisplayNameMap =
-            new HashMap<String, String>();
+            CollectionUtils.newHashMap();
     // Keyboard layout to subtype name resource id map.
     private static final HashMap<String, Integer> sKeyboardLayoutToNameIdsMap =
-            new HashMap<String, Integer>();
+            CollectionUtils.newHashMap();
     // Exceptional locale to subtype name resource id map.
     private static final HashMap<String, Integer> sExceptionalLocaleToWithLayoutNameIdsMap =
-            new HashMap<String, Integer>();
+            CollectionUtils.newHashMap();
     private static final String SUBTYPE_NAME_RESOURCE_GENERIC_PREFIX =
             "string/subtype_generic_";
     private static final String SUBTYPE_NAME_RESOURCE_WITH_LAYOUT_PREFIX =
@@ -60,11 +60,11 @@
             "string/subtype_no_language_";
     // Exceptional locales to display name map.
     private static final HashMap<String, String> sExceptionalDisplayNamesMap =
-            new HashMap<String, String>();
+            CollectionUtils.newHashMap();
     // Keyboard layout set name for the subtypes that don't have a keyboardLayoutSet extra value.
     // This is for compatibility to keep the same subtype ids as pre-JellyBean.
     private static final HashMap<String,String> sLocaleAndExtraValueToKeyboardLayoutSetMap =
-            new HashMap<String,String>();
+            CollectionUtils.newHashMap();
 
     private SubtypeLocale() {
         // Intentional empty constructor for utility class.
diff --git a/java/src/com/android/inputmethod/latin/Suggest.java b/java/src/com/android/inputmethod/latin/Suggest.java
index e931408..51ed096 100644
--- a/java/src/com/android/inputmethod/latin/Suggest.java
+++ b/java/src/com/android/inputmethod/latin/Suggest.java
@@ -51,7 +51,7 @@
     private Dictionary mMainDictionary;
     private ContactsBinaryDictionary mContactsDict;
     private final ConcurrentHashMap<String, Dictionary> mDictionaries =
-            new ConcurrentHashMap<String, Dictionary>();
+            CollectionUtils.newConcurrentHashMap();
 
     public static final int MAX_SUGGESTIONS = 18;
 
@@ -242,7 +242,7 @@
         }
 
         final ArrayList<SuggestedWordInfo> suggestionsContainer =
-                new ArrayList<SuggestedWordInfo>(suggestionsSet);
+                CollectionUtils.newArrayList(suggestionsSet);
         final int suggestionsCount = suggestionsContainer.size();
         final boolean isFirstCharCapitalized = wordComposer.isFirstCharCapitalized();
         final boolean isAllUpperCase = wordComposer.isAllUpperCase();
@@ -307,12 +307,10 @@
         }
 
         final ArrayList<SuggestedWordInfo> suggestionsContainer =
-                new ArrayList<SuggestedWordInfo>(suggestionsSet);
+                CollectionUtils.newArrayList(suggestionsSet);
         final int suggestionsCount = suggestionsContainer.size();
-        final boolean isFirstCharCapitalized = wordComposer.isAutoCapitalized();
-        // TODO: Handle the manual temporary shifted mode.
-        // TODO: Should handle TextUtils.CAP_MODE_CHARACTER.
-        final boolean isAllUpperCase = false;
+        final boolean isFirstCharCapitalized = wordComposer.wasShiftedNoLock();
+        final boolean isAllUpperCase = wordComposer.isAllUpperCase();
         if (isFirstCharCapitalized || isAllUpperCase) {
             for (int i = 0; i < suggestionsCount; ++i) {
                 final SuggestedWordInfo wordInfo = suggestionsContainer.get(i);
@@ -340,7 +338,7 @@
         typedWordInfo.setDebugString("+");
         final int suggestionsSize = suggestions.size();
         final ArrayList<SuggestedWordInfo> suggestionsList =
-                new ArrayList<SuggestedWordInfo>(suggestionsSize);
+                CollectionUtils.newArrayList(suggestionsSize);
         suggestionsList.add(typedWordInfo);
         // Note: i here is the index in mScores[], but the index in mSuggestions is one more
         // than i because we added the typed word to mSuggestions without touching mScores.
@@ -393,7 +391,7 @@
     }
 
     public void close() {
-        final HashSet<Dictionary> dictionaries = new HashSet<Dictionary>();
+        final HashSet<Dictionary> dictionaries = CollectionUtils.newHashSet();
         dictionaries.addAll(mDictionaries.values());
         for (final Dictionary dictionary : dictionaries) {
             dictionary.close();
diff --git a/java/src/com/android/inputmethod/latin/SuggestedWords.java b/java/src/com/android/inputmethod/latin/SuggestedWords.java
index 88fc006..68ecfa0 100644
--- a/java/src/com/android/inputmethod/latin/SuggestedWords.java
+++ b/java/src/com/android/inputmethod/latin/SuggestedWords.java
@@ -24,8 +24,10 @@
 import java.util.HashSet;
 
 public class SuggestedWords {
+    private static final ArrayList<SuggestedWordInfo> EMPTY_WORD_INFO_LIST =
+            CollectionUtils.newArrayList(0);
     public static final SuggestedWords EMPTY = new SuggestedWords(
-            new ArrayList<SuggestedWordInfo>(0), false, false, false, false, false);
+            EMPTY_WORD_INFO_LIST, false, false, false, false, false);
 
     public final boolean mTypedWordValid;
     // Note: this INCLUDES cases where the word will auto-correct to itself. A good definition
@@ -83,7 +85,7 @@
 
     public static ArrayList<SuggestedWordInfo> getFromApplicationSpecifiedCompletions(
             final CompletionInfo[] infos) {
-        final ArrayList<SuggestedWordInfo> result = new ArrayList<SuggestedWordInfo>();
+        final ArrayList<SuggestedWordInfo> result = CollectionUtils.newArrayList();
         for (CompletionInfo info : infos) {
             if (null != info && info.getText() != null) {
                 result.add(new SuggestedWordInfo(info.getText(), SuggestedWordInfo.MAX_SCORE,
@@ -97,8 +99,8 @@
     // and replace it with what the user currently typed.
     public static ArrayList<SuggestedWordInfo> getTypedWordAndPreviousSuggestions(
             final CharSequence typedWord, final SuggestedWords previousSuggestions) {
-        final ArrayList<SuggestedWordInfo> suggestionsList = new ArrayList<SuggestedWordInfo>();
-        final HashSet<String> alreadySeen = new HashSet<String>();
+        final ArrayList<SuggestedWordInfo> suggestionsList = CollectionUtils.newArrayList();
+        final HashSet<String> alreadySeen = CollectionUtils.newHashSet();
         suggestionsList.add(new SuggestedWordInfo(typedWord, SuggestedWordInfo.MAX_SCORE,
                 SuggestedWordInfo.KIND_TYPED, Dictionary.TYPE_USER_TYPED));
         alreadySeen.add(typedWord.toString());
diff --git a/java/src/com/android/inputmethod/latin/UserHistoryDictionary.java b/java/src/com/android/inputmethod/latin/UserHistoryDictionary.java
index d516e72..6c9d1c2 100644
--- a/java/src/com/android/inputmethod/latin/UserHistoryDictionary.java
+++ b/java/src/com/android/inputmethod/latin/UserHistoryDictionary.java
@@ -93,10 +93,10 @@
 
     private final static HashMap<String, String> sDictProjectionMap;
     private final static ConcurrentHashMap<String, SoftReference<UserHistoryDictionary>>
-            sLangDictCache = new ConcurrentHashMap<String, SoftReference<UserHistoryDictionary>>();
+            sLangDictCache = CollectionUtils.newConcurrentHashMap();
 
     static {
-        sDictProjectionMap = new HashMap<String, String>();
+        sDictProjectionMap = CollectionUtils.newHashMap();
         sDictProjectionMap.put(MAIN_COLUMN_ID, MAIN_COLUMN_ID);
         sDictProjectionMap.put(MAIN_COLUMN_WORD1, MAIN_COLUMN_WORD1);
         sDictProjectionMap.put(MAIN_COLUMN_WORD2, MAIN_COLUMN_WORD2);
diff --git a/java/src/com/android/inputmethod/latin/UserHistoryDictionaryBigramList.java b/java/src/com/android/inputmethod/latin/UserHistoryDictionaryBigramList.java
index 610652a..bb0f542 100644
--- a/java/src/com/android/inputmethod/latin/UserHistoryDictionaryBigramList.java
+++ b/java/src/com/android/inputmethod/latin/UserHistoryDictionaryBigramList.java
@@ -29,9 +29,8 @@
 public class UserHistoryDictionaryBigramList {
     public static final byte FORGETTING_CURVE_INITIAL_VALUE = 0;
     private static final String TAG = UserHistoryDictionaryBigramList.class.getSimpleName();
-    private static final HashMap<String, Byte> EMPTY_BIGRAM_MAP = new HashMap<String, Byte>();
-    private final HashMap<String, HashMap<String, Byte>> mBigramMap =
-            new HashMap<String, HashMap<String, Byte>>();
+    private static final HashMap<String, Byte> EMPTY_BIGRAM_MAP = CollectionUtils.newHashMap();
+    private final HashMap<String, HashMap<String, Byte>> mBigramMap = CollectionUtils.newHashMap();
     private int mSize = 0;
 
     public void evictAll() {
@@ -57,7 +56,7 @@
         if (mBigramMap.containsKey(word1)) {
             map = mBigramMap.get(word1);
         } else {
-            map = new HashMap<String, Byte>();
+            map = CollectionUtils.newHashMap();
             mBigramMap.put(word1, map);
         }
         if (!map.containsKey(word2)) {
diff --git a/java/src/com/android/inputmethod/latin/Utils.java b/java/src/com/android/inputmethod/latin/Utils.java
index c6b5c33..9997569 100644
--- a/java/src/com/android/inputmethod/latin/Utils.java
+++ b/java/src/com/android/inputmethod/latin/Utils.java
@@ -477,7 +477,7 @@
 
     private static final String HARDWARE_PREFIX = Build.HARDWARE + ",";
     private static final HashMap<String, String> sDeviceOverrideValueMap =
-            new HashMap<String, String>();
+            CollectionUtils.newHashMap();
 
     public static String getDeviceOverrideValue(Resources res, int overrideResId, String defValue) {
         final int orientation = res.getConfiguration().orientation;
@@ -495,7 +495,7 @@
         return sDeviceOverrideValueMap.get(key);
     }
 
-    private static final HashMap<String, Long> EMPTY_LT_HASH_MAP = new HashMap<String, Long>();
+    private static final HashMap<String, Long> EMPTY_LT_HASH_MAP = CollectionUtils.newHashMap();
     private static final String LOCALE_AND_TIME_STR_SEPARATER = ",";
     public static HashMap<String, Long> localeAndTimeStrToHashMap(String str) {
         if (TextUtils.isEmpty(str)) {
@@ -506,7 +506,7 @@
         if (N < 2 || N % 2 != 0) {
             return EMPTY_LT_HASH_MAP;
         }
-        final HashMap<String, Long> retval = new HashMap<String, Long>();
+        final HashMap<String, Long> retval = CollectionUtils.newHashMap();
         for (int i = 0; i < N / 2; ++i) {
             final String localeStr = ss[i * 2];
             final long time = Long.valueOf(ss[i * 2 + 1]);
diff --git a/java/src/com/android/inputmethod/latin/WordComposer.java b/java/src/com/android/inputmethod/latin/WordComposer.java
index 5606a58..ecec60f 100644
--- a/java/src/com/android/inputmethod/latin/WordComposer.java
+++ b/java/src/com/android/inputmethod/latin/WordComposer.java
@@ -17,7 +17,6 @@
 package com.android.inputmethod.latin;
 
 import com.android.inputmethod.keyboard.Key;
-import com.android.inputmethod.keyboard.KeyDetector;
 import com.android.inputmethod.keyboard.Keyboard;
 
 import java.util.Arrays;
@@ -26,12 +25,16 @@
  * A place to store the currently composing word with information such as adjacent key codes as well
  */
 public class WordComposer {
-
-    public static final int NOT_A_CODE = KeyDetector.NOT_A_CODE;
-    public static final int NOT_A_COORDINATE = -1;
-
     private static final int N = BinaryDictionary.MAX_WORD_LENGTH;
 
+    public static final int CAPS_MODE_OFF = 0;
+    // 1 is shift bit, 2 is caps bit, 4 is auto bit but this is just a convention as these bits
+    // aren't used anywhere in the code
+    public static final int CAPS_MODE_MANUAL_SHIFTED = 0x1;
+    public static final int CAPS_MODE_MANUAL_SHIFT_LOCKED = 0x3;
+    public static final int CAPS_MODE_AUTO_SHIFTED = 0x5;
+    public static final int CAPS_MODE_AUTO_SHIFT_LOCKED = 0x7;
+
     private int[] mPrimaryKeyCodes;
     private final InputPointers mInputPointers = new InputPointers(N);
     private final StringBuilder mTypedWord;
@@ -42,7 +45,7 @@
     // Cache these values for performance
     private int mCapsCount;
     private int mDigitsCount;
-    private boolean mAutoCapitalized;
+    private int mCapitalizedMode;
     private int mTrailingSingleQuotesCount;
     private int mCodePointSize;
 
@@ -68,7 +71,7 @@
         mCapsCount = source.mCapsCount;
         mDigitsCount = source.mDigitsCount;
         mIsFirstCharCapitalized = source.mIsFirstCharCapitalized;
-        mAutoCapitalized = source.mAutoCapitalized;
+        mCapitalizedMode = source.mCapitalizedMode;
         mTrailingSingleQuotesCount = source.mTrailingSingleQuotesCount;
         mIsResumed = source.mIsResumed;
         mIsBatchMode = source.mIsBatchMode;
@@ -166,7 +169,7 @@
             final int codePoint = Character.codePointAt(word, i);
             // We don't want to override the batch input points that are held in mInputPointers
             // (See {@link #add(int,int,int)}).
-            add(codePoint, NOT_A_COORDINATE, NOT_A_COORDINATE);
+            add(codePoint, Constants.NOT_A_COORDINATE, Constants.NOT_A_COORDINATE);
         }
     }
 
@@ -181,7 +184,7 @@
             add(codePoint, x, y);
             return;
         }
-        add(codePoint, NOT_A_COORDINATE, NOT_A_COORDINATE);
+        add(codePoint, Constants.NOT_A_COORDINATE, Constants.NOT_A_COORDINATE);
     }
 
     /**
@@ -262,7 +265,14 @@
      * @return true if all user typed chars are upper case, false otherwise
      */
     public boolean isAllUpperCase() {
-        return (mCapsCount > 0) && (mCapsCount == size());
+        return mCapitalizedMode == CAPS_MODE_AUTO_SHIFT_LOCKED
+                || mCapitalizedMode == CAPS_MODE_MANUAL_SHIFT_LOCKED
+                || (mCapsCount > 0) && (mCapsCount == size());
+    }
+
+    public boolean wasShiftedNoLock() {
+        return mCapitalizedMode == CAPS_MODE_AUTO_SHIFTED
+                || mCapitalizedMode == CAPS_MODE_MANUAL_SHIFTED;
     }
 
     /**
@@ -280,20 +290,27 @@
     }
 
     /**
-     * Saves the reason why the word is capitalized - whether it was automatic or
-     * due to the user hitting shift in the middle of a sentence.
-     * @param auto whether it was an automatic capitalization due to start of sentence
+     * Saves the caps mode at the start of composing.
+     *
+     * WordComposer needs to know about this for several reasons. The first is, we need to know
+     * after the fact what the reason was, to register the correct form into the user history
+     * dictionary: if the word was automatically capitalized, we should insert it in all-lower
+     * case but if it's a manual pressing of shift, then it should be inserted as is.
+     * Also, batch input needs to know about the current caps mode to display correctly
+     * capitalized suggestions.
+     * @param mode the mode at the time of start
      */
-    public void setAutoCapitalized(boolean auto) {
-        mAutoCapitalized = auto;
+    public void setCapitalizedModeAtStartComposingTime(final int mode) {
+        mCapitalizedMode = mode;
     }
 
     /**
      * Returns whether the word was automatically capitalized.
      * @return whether the word was automatically capitalized
      */
-    public boolean isAutoCapitalized() {
-        return mAutoCapitalized;
+    public boolean wasAutoCapitalized() {
+        return mCapitalizedMode == CAPS_MODE_AUTO_SHIFT_LOCKED
+                || mCapitalizedMode == CAPS_MODE_AUTO_SHIFTED;
     }
 
     /**
diff --git a/java/src/com/android/inputmethod/latin/spellcheck/AndroidSpellCheckerService.java b/java/src/com/android/inputmethod/latin/spellcheck/AndroidSpellCheckerService.java
index d05dc02..eef7a51 100644
--- a/java/src/com/android/inputmethod/latin/spellcheck/AndroidSpellCheckerService.java
+++ b/java/src/com/android/inputmethod/latin/spellcheck/AndroidSpellCheckerService.java
@@ -25,6 +25,7 @@
 
 import com.android.inputmethod.keyboard.ProximityInfo;
 import com.android.inputmethod.latin.BinaryDictionary;
+import com.android.inputmethod.latin.CollectionUtils;
 import com.android.inputmethod.latin.ContactsBinaryDictionary;
 import com.android.inputmethod.latin.Dictionary;
 import com.android.inputmethod.latin.DictionaryCollection;
@@ -62,10 +63,9 @@
     public static final int CAPITALIZE_ALL = 2; // All caps
 
     private final static String[] EMPTY_STRING_ARRAY = new String[0];
-    private Map<String, DictionaryPool> mDictionaryPools =
-            Collections.synchronizedMap(new TreeMap<String, DictionaryPool>());
+    private Map<String, DictionaryPool> mDictionaryPools = CollectionUtils.newSynchronizedTreeMap();
     private Map<String, UserBinaryDictionary> mUserDictionaries =
-            Collections.synchronizedMap(new TreeMap<String, UserBinaryDictionary>());
+            CollectionUtils.newSynchronizedTreeMap();
     private ContactsBinaryDictionary mContactsDictionary;
 
     // The threshold for a candidate to be offered as a suggestion.
@@ -77,7 +77,7 @@
     private final Object mUseContactsLock = new Object();
 
     private final HashSet<WeakReference<DictionaryCollection>> mDictionaryCollectionsList =
-            new HashSet<WeakReference<DictionaryCollection>>();
+            CollectionUtils.newHashSet();
 
     public static final int SCRIPT_LATIN = 0;
     public static final int SCRIPT_CYRILLIC = 1;
@@ -93,7 +93,7 @@
         // proximity to pass to the dictionary descent algorithm.
         // IMPORTANT: this only contains languages - do not write countries in there.
         // Only the language is searched from the map.
-        mLanguageToScript = new TreeMap<String, Integer>();
+        mLanguageToScript = CollectionUtils.newTreeMap();
         mLanguageToScript.put("en", SCRIPT_LATIN);
         mLanguageToScript.put("fr", SCRIPT_LATIN);
         mLanguageToScript.put("de", SCRIPT_LATIN);
@@ -231,7 +231,7 @@
             mSuggestionThreshold = suggestionThreshold;
             mRecommendedThreshold = recommendedThreshold;
             mMaxLength = maxLength;
-            mSuggestions = new ArrayList<CharSequence>(maxLength + 1);
+            mSuggestions = CollectionUtils.newArrayList(maxLength + 1);
             mScores = new int[mMaxLength];
         }
 
@@ -359,10 +359,9 @@
 
     private void closeAllDictionaries() {
         final Map<String, DictionaryPool> oldPools = mDictionaryPools;
-        mDictionaryPools = Collections.synchronizedMap(new TreeMap<String, DictionaryPool>());
+        mDictionaryPools = CollectionUtils.newSynchronizedTreeMap();
         final Map<String, UserBinaryDictionary> oldUserDictionaries = mUserDictionaries;
-        mUserDictionaries =
-                Collections.synchronizedMap(new TreeMap<String, UserBinaryDictionary>());
+        mUserDictionaries = CollectionUtils.newSynchronizedTreeMap();
         new Thread("spellchecker_close_dicts") {
             @Override
             public void run() {
diff --git a/java/src/com/android/inputmethod/latin/spellcheck/AndroidSpellCheckerSession.java b/java/src/com/android/inputmethod/latin/spellcheck/AndroidSpellCheckerSession.java
index 501a0e2..5a1bd37 100644
--- a/java/src/com/android/inputmethod/latin/spellcheck/AndroidSpellCheckerSession.java
+++ b/java/src/com/android/inputmethod/latin/spellcheck/AndroidSpellCheckerSession.java
@@ -22,6 +22,8 @@
 import android.view.textservice.SuggestionsInfo;
 import android.view.textservice.TextInfo;
 
+import com.android.inputmethod.latin.CollectionUtils;
+
 import java.util.ArrayList;
 
 public class AndroidSpellCheckerSession extends AndroidWordLevelSpellCheckerSession {
@@ -40,10 +42,10 @@
             return null;
         }
         final int N = ssi.getSuggestionsCount();
-        final ArrayList<Integer> additionalOffsets = new ArrayList<Integer>();
-        final ArrayList<Integer> additionalLengths = new ArrayList<Integer>();
+        final ArrayList<Integer> additionalOffsets = CollectionUtils.newArrayList();
+        final ArrayList<Integer> additionalLengths = CollectionUtils.newArrayList();
         final ArrayList<SuggestionsInfo> additionalSuggestionsInfos =
-                new ArrayList<SuggestionsInfo>();
+                CollectionUtils.newArrayList();
         String currentWord = null;
         for (int i = 0; i < N; ++i) {
             final SuggestionsInfo si = ssi.getSuggestionsInfoAt(i);
diff --git a/java/src/com/android/inputmethod/latin/spellcheck/AndroidWordLevelSpellCheckerSession.java b/java/src/com/android/inputmethod/latin/spellcheck/AndroidWordLevelSpellCheckerSession.java
index 317fe7c..f4784ff 100644
--- a/java/src/com/android/inputmethod/latin/spellcheck/AndroidWordLevelSpellCheckerSession.java
+++ b/java/src/com/android/inputmethod/latin/spellcheck/AndroidWordLevelSpellCheckerSession.java
@@ -24,6 +24,7 @@
 import android.view.textservice.TextInfo;
 
 import com.android.inputmethod.compat.SuggestionsInfoCompatUtils;
+import com.android.inputmethod.latin.Constants;
 import com.android.inputmethod.latin.LocaleUtils;
 import com.android.inputmethod.latin.WordComposer;
 import com.android.inputmethod.latin.SuggestedWords.SuggestedWordInfo;
@@ -225,8 +226,8 @@
                 final int xy = SpellCheckerProximityInfo.getXYForCodePointAndScript(
                         codePoint, mScript);
                 if (SpellCheckerProximityInfo.NOT_A_COORDINATE_PAIR == xy) {
-                    composer.add(codePoint, WordComposer.NOT_A_COORDINATE,
-                            WordComposer.NOT_A_COORDINATE);
+                    composer.add(codePoint,
+                            Constants.NOT_A_COORDINATE, Constants.NOT_A_COORDINATE);
                 } else {
                     composer.add(codePoint, xy & 0xFFFF, xy >> 16);
                 }
diff --git a/java/src/com/android/inputmethod/latin/spellcheck/DictionaryPool.java b/java/src/com/android/inputmethod/latin/spellcheck/DictionaryPool.java
index 218eab7..53aa6c7 100644
--- a/java/src/com/android/inputmethod/latin/spellcheck/DictionaryPool.java
+++ b/java/src/com/android/inputmethod/latin/spellcheck/DictionaryPool.java
@@ -19,6 +19,7 @@
 import android.util.Log;
 
 import com.android.inputmethod.keyboard.ProximityInfo;
+import com.android.inputmethod.latin.CollectionUtils;
 import com.android.inputmethod.latin.Dictionary;
 import com.android.inputmethod.latin.SuggestedWords.SuggestedWordInfo;
 import com.android.inputmethod.latin.WordComposer;
@@ -45,7 +46,7 @@
     private final Locale mLocale;
     private int mSize;
     private volatile boolean mClosed;
-    final static ArrayList<SuggestedWordInfo> noSuggestions = new ArrayList<SuggestedWordInfo>();
+    final static ArrayList<SuggestedWordInfo> noSuggestions = CollectionUtils.newArrayList();
     private final static DictAndProximity dummyDict = new DictAndProximity(
             new Dictionary(Dictionary.TYPE_MAIN) {
                 @Override
diff --git a/java/src/com/android/inputmethod/latin/spellcheck/SpellCheckerProximityInfo.java b/java/src/com/android/inputmethod/latin/spellcheck/SpellCheckerProximityInfo.java
index bd92d88..fe5225e 100644
--- a/java/src/com/android/inputmethod/latin/spellcheck/SpellCheckerProximityInfo.java
+++ b/java/src/com/android/inputmethod/latin/spellcheck/SpellCheckerProximityInfo.java
@@ -16,14 +16,15 @@
 
 package com.android.inputmethod.latin.spellcheck;
 
-import com.android.inputmethod.keyboard.KeyDetector;
 import com.android.inputmethod.keyboard.ProximityInfo;
+import com.android.inputmethod.latin.CollectionUtils;
+import com.android.inputmethod.latin.Constants;
 
 import java.util.TreeMap;
 
 public class SpellCheckerProximityInfo {
     /* public for test */
-    final public static int NUL = KeyDetector.NOT_A_CODE;
+    final public static int NUL = Constants.NOT_A_CODE;
 
     // This must be the same as MAX_PROXIMITY_CHARS_SIZE else it will not work inside
     // native code - this value is passed at creation of the binary object and reused
@@ -59,7 +60,7 @@
         // character.
         // Since we need to build such an array, we want to be able to search in our big proximity
         // data quickly by character, and a map is probably the best way to do this.
-        final private static TreeMap<Integer, Integer> INDICES = new TreeMap<Integer, Integer>();
+        final private static TreeMap<Integer, Integer> INDICES = CollectionUtils.newTreeMap();
 
         // The proximity here is the union of
         // - the proximity for a QWERTY keyboard.
@@ -122,7 +123,7 @@
     }
 
     private static class Cyrillic {
-        final private static TreeMap<Integer, Integer> INDICES = new TreeMap<Integer, Integer>();
+        final private static TreeMap<Integer, Integer> INDICES = CollectionUtils.newTreeMap();
         // TODO: The following table is solely based on the keyboard layout. Consult with Russian
         // speakers on commonly misspelled words/letters.
         final static int[] PROXIMITY = {
diff --git a/java/src/com/android/inputmethod/latin/suggestions/SuggestionStripView.java b/java/src/com/android/inputmethod/latin/suggestions/SuggestionStripView.java
index b57ffd2..afc4293 100644
--- a/java/src/com/android/inputmethod/latin/suggestions/SuggestionStripView.java
+++ b/java/src/com/android/inputmethod/latin/suggestions/SuggestionStripView.java
@@ -58,6 +58,7 @@
 import com.android.inputmethod.keyboard.PointerTracker;
 import com.android.inputmethod.keyboard.ViewLayoutUtils;
 import com.android.inputmethod.latin.AutoCorrection;
+import com.android.inputmethod.latin.CollectionUtils;
 import com.android.inputmethod.latin.LatinImeLogger;
 import com.android.inputmethod.latin.R;
 import com.android.inputmethod.latin.StaticInnerHandlerWrapper;
@@ -72,7 +73,7 @@
         OnLongClickListener {
     public interface Listener {
         public boolean addWordToUserDictionary(String word);
-        public void pickSuggestionManually(int index, CharSequence word, int x, int y);
+        public void pickSuggestionManually(int index, CharSequence word);
     }
 
     // The maximum number of suggestions available. See {@link Suggest#mPrefMaxSuggestions}.
@@ -88,9 +89,9 @@
     private final MoreSuggestions.Builder mMoreSuggestionsBuilder;
     private final PopupWindow mMoreSuggestionsWindow;
 
-    private final ArrayList<TextView> mWords = new ArrayList<TextView>();
-    private final ArrayList<TextView> mInfos = new ArrayList<TextView>();
-    private final ArrayList<View> mDividers = new ArrayList<View>();
+    private final ArrayList<TextView> mWords = CollectionUtils.newArrayList();
+    private final ArrayList<TextView> mInfos = CollectionUtils.newArrayList();
+    private final ArrayList<View> mDividers = CollectionUtils.newArrayList();
 
     private final PopupWindow mPreviewPopup;
     private final TextView mPreviewText;
@@ -167,7 +168,7 @@
 
         private final int mSuggestionStripOption;
 
-        private final ArrayList<CharSequence> mTexts = new ArrayList<CharSequence>();
+        private final ArrayList<CharSequence> mTexts = CollectionUtils.newArrayList();
 
         public boolean mMoreSuggestionsAvailable;
 
@@ -726,9 +727,7 @@
         public boolean onCustomRequest(int requestCode) {
             final int index = requestCode;
             final CharSequence word = mSuggestedWords.getWord(index);
-            // TODO: change caller path so coordinates are passed through here
-            mListener.pickSuggestionManually(index, word, NOT_A_TOUCH_COORDINATE,
-                    NOT_A_TOUCH_COORDINATE);
+            mListener.pickSuggestionManually(index, word);
             dismissMoreSuggestions();
             return true;
         }
@@ -874,7 +873,7 @@
             return;
 
         final CharSequence word = mSuggestedWords.getWord(index);
-        mListener.pickSuggestionManually(index, word, mLastX, mLastY);
+        mListener.pickSuggestionManually(index, word);
     }
 
     @Override
diff --git a/java/src/com/android/inputmethod/research/ResearchLogger.java b/java/src/com/android/inputmethod/research/ResearchLogger.java
index cf6f31a..2b27350 100644
--- a/java/src/com/android/inputmethod/research/ResearchLogger.java
+++ b/java/src/com/android/inputmethod/research/ResearchLogger.java
@@ -34,15 +34,18 @@
 import android.inputmethodservice.InputMethodService;
 import android.os.Build;
 import android.os.IBinder;
+import android.os.SystemClock;
 import android.text.TextUtils;
 import android.text.format.DateUtils;
 import android.util.Log;
+import android.view.KeyEvent;
 import android.view.MotionEvent;
 import android.view.View;
 import android.view.View.OnClickListener;
 import android.view.Window;
 import android.view.WindowManager;
 import android.view.inputmethod.CompletionInfo;
+import android.view.inputmethod.CorrectionInfo;
 import android.view.inputmethod.EditorInfo;
 import android.view.inputmethod.InputConnection;
 import android.widget.Button;
@@ -54,6 +57,8 @@
 import com.android.inputmethod.keyboard.KeyboardSwitcher;
 import com.android.inputmethod.keyboard.KeyboardView;
 import com.android.inputmethod.keyboard.MainKeyboardView;
+import com.android.inputmethod.latin.CollectionUtils;
+import com.android.inputmethod.latin.Constants;
 import com.android.inputmethod.latin.Dictionary;
 import com.android.inputmethod.latin.LatinIME;
 import com.android.inputmethod.latin.R;
@@ -111,7 +116,7 @@
     // the system to do so.
     /* package */ ResearchLog mIntentionalResearchLog;
     // LogUnits are queued here and released only when the user requests the intentional log.
-    private List<LogUnit> mIntentionalResearchLogQueue = new ArrayList<LogUnit>();
+    private List<LogUnit> mIntentionalResearchLogQueue = CollectionUtils.newArrayList();
 
     private boolean mIsPasswordView = false;
     private boolean mIsLoggingSuspended = false;
@@ -135,10 +140,12 @@
     private Dictionary mDictionary;
     private KeyboardSwitcher mKeyboardSwitcher;
     private InputMethodService mInputMethodService;
+    private final Statistics mStatistics;
 
     private ResearchLogUploader mResearchLogUploader;
 
     private ResearchLogger() {
+        mStatistics = Statistics.getInstance();
     }
 
     public static ResearchLogger getInstance() {
@@ -268,10 +275,35 @@
         return new File(filesDir, sb.toString());
     }
 
+    private void checkForEmptyEditor() {
+        if (mInputMethodService == null) {
+            return;
+        }
+        final InputConnection ic = mInputMethodService.getCurrentInputConnection();
+        if (ic == null) {
+            return;
+        }
+        final CharSequence textBefore = ic.getTextBeforeCursor(1, 0);
+        if (!TextUtils.isEmpty(textBefore)) {
+            mStatistics.setIsEmptyUponStarting(false);
+            return;
+        }
+        final CharSequence textAfter = ic.getTextAfterCursor(1, 0);
+        if (!TextUtils.isEmpty(textAfter)) {
+            mStatistics.setIsEmptyUponStarting(false);
+            return;
+        }
+        if (textBefore != null && textAfter != null) {
+            mStatistics.setIsEmptyUponStarting(true);
+        }
+    }
+
     private void start() {
         maybeShowSplashScreen();
         updateSuspendedState();
         requestIndicatorRedraw();
+        mStatistics.reset();
+        checkForEmptyEditor();
         if (!isAllowedToLog()) {
             // Log.w(TAG, "not in usability mode; not logging");
             return;
@@ -295,6 +327,10 @@
     }
 
     /* package */ void stop() {
+        logStatistics();
+        publishLogUnit(mCurrentLogUnit, true);
+        mCurrentLogUnit = new LogUnit();
+
         if (mMainResearchLog != null) {
             mMainResearchLog.stop();
         }
@@ -303,6 +339,26 @@
         }
     }
 
+    private static final String[] EVENTKEYS_STATISTICS = {
+        "Statistics", "charCount", "letterCount", "numberCount", "spaceCount", "deleteOpsCount",
+        "wordCount", "isEmptyUponStarting", "isEmptinessStateKnown", "averageTimeBetweenKeys",
+        "averageTimeBeforeDelete", "averageTimeDuringRepeatedDelete", "averageTimeAfterDelete"
+    };
+    private static void logStatistics() {
+        final ResearchLogger researchLogger = getInstance();
+        final Statistics statistics = researchLogger.mStatistics;
+        final Object[] values = {
+            statistics.mCharCount, statistics.mLetterCount, statistics.mNumberCount,
+            statistics.mSpaceCount, statistics.mDeleteKeyCount,
+            statistics.mWordCount, statistics.mIsEmptyUponStarting,
+            statistics.mIsEmptinessStateKnown, statistics.mKeyCounter.getAverageTime(),
+            statistics.mBeforeDeleteKeyCounter.getAverageTime(),
+            statistics.mDuringRepeatedDeleteKeysCounter.getAverageTime(),
+            statistics.mAfterDeleteKeyCounter.getAverageTime()
+        };
+        researchLogger.enqueueEvent(EVENTKEYS_STATISTICS, values);
+    }
+
     private void setLoggingAllowed(boolean enableLogging) {
         if (mPrefs == null) {
             return;
@@ -459,7 +515,7 @@
     private void saveLogsForFeedback() {
         mFeedbackLog = mIntentionalResearchLog;
         if (mIntentionalResearchLogQueue != null) {
-            mFeedbackQueue = new ArrayList<LogUnit>(mIntentionalResearchLogQueue);
+            mFeedbackQueue = CollectionUtils.newArrayList(mIntentionalResearchLogQueue);
         } else {
             mFeedbackQueue = null;
         }
@@ -469,7 +525,7 @@
 
         mMainResearchLog = null;
         mIntentionalResearchLog = null;
-        mIntentionalResearchLogQueue = new ArrayList<LogUnit>();
+        mIntentionalResearchLogQueue = CollectionUtils.newArrayList();
     }
 
     private static final int LOG_DRAIN_TIMEOUT_IN_MS = 1000 * 5;
@@ -703,6 +759,7 @@
             mLoggingFrequencyState.onWordLogged();
         }
         mCurrentLogUnit = new LogUnit();
+        mStatistics.recordWordEntered();
     }
 
     private void publishLogUnit(LogUnit logUnit, boolean isPrivacySensitive) {
@@ -725,9 +782,9 @@
     }
 
     static class LogUnit {
-        private final List<String[]> mKeysList = new ArrayList<String[]>();
-        private final List<Object[]> mValuesList = new ArrayList<Object[]>();
-        private final List<Boolean> mIsPotentiallyPrivate = new ArrayList<Boolean>();
+        private final List<String[]> mKeysList = CollectionUtils.newArrayList();
+        private final List<Object[]> mValuesList = CollectionUtils.newArrayList();
+        private final List<Boolean> mIsPotentiallyPrivate = CollectionUtils.newArrayList();
 
         private void addLogAtom(final String[] keys, final Object[] values,
                 final Boolean isPotentiallyPrivate) {
@@ -846,20 +903,6 @@
         stop();
     }
 
-    private static final String[] EVENTKEYS_LATINIME_COMMITTEXT = {
-        "LatinIMECommitText", "typedWord"
-    };
-
-    public static void latinIME_commitText(final CharSequence typedWord) {
-        final String scrubbedWord = scrubDigitsFromString(typedWord.toString());
-        final Object[] values = {
-            scrubbedWord
-        };
-        final ResearchLogger researchLogger = getInstance();
-        researchLogger.enqueuePotentiallyPrivateEvent(EVENTKEYS_LATINIME_COMMITTEXT, values);
-        researchLogger.onWordComplete(scrubbedWord);
-    }
-
     private static final String[] EVENTKEYS_USER_FEEDBACK = {
         "UserFeedback", "FeedbackContents"
     };
@@ -911,48 +954,9 @@
         final Object[] values = {
             Keyboard.printableCode(scrubDigitFromCodePoint(code)), x, y
         };
-        getInstance().enqueuePotentiallyPrivateEvent(EVENTKEYS_LATINIME_ONCODEINPUT, values);
-    }
-
-    private static final String[] EVENTKEYS_CORRECTION = {
-        "LogCorrection", "subgroup", "before", "after", "position"
-    };
-    public static void logCorrection(final String subgroup, final String before, final String after,
-            final int position) {
-        final Object[] values = {
-            subgroup, scrubDigitsFromString(before), scrubDigitsFromString(after), position
-        };
-        getInstance().enqueuePotentiallyPrivateEvent(EVENTKEYS_CORRECTION, values);
-    }
-
-    private static final String[] EVENTKEYS_LATINIME_COMMITCURRENTAUTOCORRECTION = {
-        "LatinIMECommitCurrentAutoCorrection", "typedWord", "autoCorrection"
-    };
-    public static void latinIME_commitCurrentAutoCorrection(final String typedWord,
-            final String autoCorrection) {
-        final Object[] values = {
-            scrubDigitsFromString(typedWord), scrubDigitsFromString(autoCorrection)
-        };
         final ResearchLogger researchLogger = getInstance();
-        researchLogger.enqueuePotentiallyPrivateEvent(
-                EVENTKEYS_LATINIME_COMMITCURRENTAUTOCORRECTION, values);
-    }
-
-    private static final String[] EVENTKEYS_LATINIME_DELETESURROUNDINGTEXT = {
-        "LatinIMEDeleteSurroundingText", "length"
-    };
-    public static void latinIME_deleteSurroundingText(final int length) {
-        final Object[] values = {
-            length
-        };
-        getInstance().enqueueEvent(EVENTKEYS_LATINIME_DELETESURROUNDINGTEXT, values);
-    }
-
-    private static final String[] EVENTKEYS_LATINIME_DOUBLESPACEAUTOPERIOD = {
-        "LatinIMEDoubleSpaceAutoPeriod"
-    };
-    public static void latinIME_doubleSpaceAutoPeriod() {
-        getInstance().enqueueEvent(EVENTKEYS_LATINIME_DOUBLESPACEAUTOPERIOD, EVENTKEYS_NULLVALUES);
+        researchLogger.enqueuePotentiallyPrivateEvent(EVENTKEYS_LATINIME_ONCODEINPUT, values);
+        researchLogger.mStatistics.recordChar(code, SystemClock.uptimeMillis());
     }
 
     private static final String[] EVENTKEYS_LATINIME_ONDISPLAYCOMPLETIONS = {
@@ -979,6 +983,10 @@
     public static void latinIME_onWindowHidden(final int savedSelectionStart,
             final int savedSelectionEnd, final InputConnection ic) {
         if (ic != null) {
+            // Capture the TextView contents.  This will trigger onUpdateSelection(), so we
+            // set sLatinIMEExpectingUpdateSelection so that when onUpdateSelection() is called,
+            // it can tell that it was generated by the logging code, and not by the user, and
+            // therefore keep user-visible state as is.
             ic.beginBatchEdit();
             ic.performContextMenuAction(android.R.id.selectAll);
             CharSequence charSequence = ic.getSelectedText(0);
@@ -1048,37 +1056,15 @@
         researchLogger.enqueuePotentiallyPrivateEvent(EVENTKEYS_LATINIME_ONUPDATESELECTION, values);
     }
 
-    private static final String[] EVENTKEYS_LATINIME_PERFORMEDITORACTION = {
-        "LatinIMEPerformEditorAction", "imeActionNext"
-    };
-    public static void latinIME_performEditorAction(final int imeActionNext) {
-        final Object[] values = {
-            imeActionNext
-        };
-        getInstance().enqueueEvent(EVENTKEYS_LATINIME_PERFORMEDITORACTION, values);
-    }
-
-    private static final String[] EVENTKEYS_LATINIME_PICKAPPLICATIONSPECIFIEDCOMPLETION = {
-        "LatinIMEPickApplicationSpecifiedCompletion", "index", "text", "x", "y"
-    };
-    public static void latinIME_pickApplicationSpecifiedCompletion(final int index,
-            final CharSequence cs, int x, int y) {
-        final Object[] values = {
-            index, cs, x, y
-        };
-        final ResearchLogger researchLogger = getInstance();
-        researchLogger.enqueuePotentiallyPrivateEvent(
-                EVENTKEYS_LATINIME_PICKAPPLICATIONSPECIFIEDCOMPLETION, values);
-    }
-
     private static final String[] EVENTKEYS_LATINIME_PICKSUGGESTIONMANUALLY = {
         "LatinIMEPickSuggestionManually", "replacedWord", "index", "suggestion", "x", "y"
     };
     public static void latinIME_pickSuggestionManually(final String replacedWord,
-            final int index, CharSequence suggestion, int x, int y) {
+            final int index, CharSequence suggestion) {
         final Object[] values = {
-            scrubDigitsFromString(replacedWord), index, suggestion == null ? null :
-                    scrubDigitsFromString(suggestion.toString()), x, y
+            scrubDigitsFromString(replacedWord), index,
+            (suggestion == null ? null : scrubDigitsFromString(suggestion.toString())),
+            Constants.SUGGESTION_STRIP_COORDINATE, Constants.SUGGESTION_STRIP_COORDINATE
         };
         final ResearchLogger researchLogger = getInstance();
         researchLogger.enqueuePotentiallyPrivateEvent(EVENTKEYS_LATINIME_PICKSUGGESTIONMANUALLY,
@@ -1089,28 +1075,14 @@
         "LatinIMEPunctuationSuggestion", "index", "suggestion", "x", "y"
     };
     public static void latinIME_punctuationSuggestion(final int index,
-            final CharSequence suggestion, int x, int y) {
+            final CharSequence suggestion) {
         final Object[] values = {
-            index, suggestion, x, y
+            index, suggestion,
+            Constants.SUGGESTION_STRIP_COORDINATE, Constants.SUGGESTION_STRIP_COORDINATE
         };
         getInstance().enqueueEvent(EVENTKEYS_LATINIME_PUNCTUATIONSUGGESTION, values);
     }
 
-    private static final String[] EVENTKEYS_LATINIME_REVERTDOUBLESPACEWHILEINBATCHEDIT = {
-        "LatinIMERevertDoubleSpaceWhileInBatchEdit"
-    };
-    public static void latinIME_revertDoubleSpaceWhileInBatchEdit() {
-        getInstance().enqueueEvent(EVENTKEYS_LATINIME_REVERTDOUBLESPACEWHILEINBATCHEDIT,
-                EVENTKEYS_NULLVALUES);
-    }
-
-    private static final String[] EVENTKEYS_LATINIME_REVERTSWAPPUNCTUATION = {
-        "LatinIMERevertSwapPunctuation"
-    };
-    public static void latinIME_revertSwapPunctuation() {
-        getInstance().enqueueEvent(EVENTKEYS_LATINIME_REVERTSWAPPUNCTUATION, EVENTKEYS_NULLVALUES);
-    }
-
     private static final String[] EVENTKEYS_LATINIME_SENDKEYCODEPOINT = {
         "LatinIMESendKeyCodePoint", "code"
     };
@@ -1121,12 +1093,11 @@
         getInstance().enqueuePotentiallyPrivateEvent(EVENTKEYS_LATINIME_SENDKEYCODEPOINT, values);
     }
 
-    private static final String[] EVENTKEYS_LATINIME_SWAPSWAPPERANDSPACEWHILEINBATCHEDIT = {
-        "LatinIMESwapSwapperAndSpaceWhileInBatchEdit"
+    private static final String[] EVENTKEYS_LATINIME_SWAPSWAPPERANDSPACE = {
+        "LatinIMESwapSwapperAndSpace"
     };
-    public static void latinIME_swapSwapperAndSpaceWhileInBatchEdit() {
-        getInstance().enqueueEvent(EVENTKEYS_LATINIME_SWAPSWAPPERANDSPACEWHILEINBATCHEDIT,
-                EVENTKEYS_NULLVALUES);
+    public static void latinIME_swapSwapperAndSpace() {
+        getInstance().enqueueEvent(EVENTKEYS_LATINIME_SWAPSWAPPERANDSPACE, EVENTKEYS_NULLVALUES);
     }
 
     private static final String[] EVENTKEYS_MAINKEYBOARDVIEW_ONLONGPRESS = {
@@ -1245,6 +1216,109 @@
         getInstance().enqueuePotentiallyPrivateEvent(EVENTKEYS_POINTERTRACKER_ONMOVEEVENT, values);
     }
 
+    private static final String[] EVENTKEYS_RICHINPUTCONNECTION_COMMITCOMPLETION = {
+        "RichInputConnectionCommitCompletion", "completionInfo"
+    };
+    public static void richInputConnection_commitCompletion(final CompletionInfo completionInfo) {
+        final Object[] values = {
+            completionInfo
+        };
+        final ResearchLogger researchLogger = getInstance();
+        researchLogger.enqueuePotentiallyPrivateEvent(
+                EVENTKEYS_RICHINPUTCONNECTION_COMMITCOMPLETION, values);
+    }
+
+    private static final String[] EVENTKEYS_RICHINPUTCONNECTION_COMMITCORRECTION = {
+        "RichInputConnectionCommitCorrection", "CorrectionInfo"
+    };
+    public static void richInputConnection_commitCorrection(CorrectionInfo correctionInfo) {
+        final String typedWord = correctionInfo.getOldText().toString();
+        final String autoCorrection = correctionInfo.getNewText().toString();
+        final Object[] values = {
+            scrubDigitsFromString(typedWord), scrubDigitsFromString(autoCorrection)
+        };
+        final ResearchLogger researchLogger = getInstance();
+        researchLogger.enqueuePotentiallyPrivateEvent(
+                EVENTKEYS_RICHINPUTCONNECTION_COMMITCORRECTION, values);
+    }
+
+    private static final String[] EVENTKEYS_RICHINPUTCONNECTION_COMMITTEXT = {
+        "RichInputConnectionCommitText", "typedWord", "newCursorPosition"
+    };
+    public static void richInputConnection_commitText(final CharSequence typedWord,
+            final int newCursorPosition) {
+        final String scrubbedWord = scrubDigitsFromString(typedWord.toString());
+        final Object[] values = {
+            scrubbedWord, newCursorPosition
+        };
+        final ResearchLogger researchLogger = getInstance();
+        researchLogger.enqueuePotentiallyPrivateEvent(EVENTKEYS_RICHINPUTCONNECTION_COMMITTEXT,
+                values);
+        researchLogger.onWordComplete(scrubbedWord);
+    }
+
+    private static final String[] EVENTKEYS_RICHINPUTCONNECTION_DELETESURROUNDINGTEXT = {
+        "RichInputConnectionDeleteSurroundingText", "beforeLength", "afterLength"
+    };
+    public static void richInputConnection_deleteSurroundingText(final int beforeLength,
+            final int afterLength) {
+        final Object[] values = {
+            beforeLength, afterLength
+        };
+        getInstance().enqueueEvent(EVENTKEYS_RICHINPUTCONNECTION_DELETESURROUNDINGTEXT, values);
+    }
+
+    private static final String[] EVENTKEYS_RICHINPUTCONNECTION_FINISHCOMPOSINGTEXT = {
+        "RichInputConnectionFinishComposingText"
+    };
+    public static void richInputConnection_finishComposingText() {
+        getInstance().enqueueEvent(EVENTKEYS_RICHINPUTCONNECTION_FINISHCOMPOSINGTEXT,
+                EVENTKEYS_NULLVALUES);
+    }
+
+    private static final String[] EVENTKEYS_RICHINPUTCONNECTION_PERFORMEDITORACTION = {
+        "RichInputConnectionPerformEditorAction", "imeActionNext"
+    };
+    public static void richInputConnection_performEditorAction(final int imeActionNext) {
+        final Object[] values = {
+            imeActionNext
+        };
+        getInstance().enqueueEvent(EVENTKEYS_RICHINPUTCONNECTION_PERFORMEDITORACTION, values);
+    }
+
+    private static final String[] EVENTKEYS_RICHINPUTCONNECTION_SENDKEYEVENT = {
+        "RichInputConnectionSendKeyEvent", "eventTime", "action", "code"
+    };
+    public static void richInputConnection_sendKeyEvent(final KeyEvent keyEvent) {
+        final Object[] values = {
+            keyEvent.getEventTime(),
+            keyEvent.getAction(),
+            keyEvent.getKeyCode()
+        };
+        getInstance().enqueueEvent(EVENTKEYS_RICHINPUTCONNECTION_SENDKEYEVENT, values);
+    }
+
+    private static final String[] EVENTKEYS_RICHINPUTCONNECTION_SETCOMPOSINGTEXT = {
+        "RichInputConnectionSetComposingText", "text", "newCursorPosition"
+    };
+    public static void richInputConnection_setComposingText(final CharSequence text,
+            final int newCursorPosition) {
+        final Object[] values = {
+            text, newCursorPosition
+        };
+        getInstance().enqueueEvent(EVENTKEYS_RICHINPUTCONNECTION_SETCOMPOSINGTEXT, values);
+    }
+
+    private static final String[] EVENTKEYS_RICHINPUTCONNECTION_SETSELECTION = {
+        "RichInputConnectionSetSelection", "from", "to"
+    };
+    public static void richInputConnection_setSelection(final int from, final int to) {
+        final Object[] values = {
+            from, to
+        };
+        getInstance().enqueueEvent(EVENTKEYS_RICHINPUTCONNECTION_SETSELECTION, values);
+    }
+
     private static final String[] EVENTKEYS_SUDDENJUMPINGTOUCHEVENTHANDLER_ONTOUCHEVENT = {
         "SuddenJumpingTouchEventHandlerOnTouchEvent", "motionEvent"
     };
diff --git a/java/src/com/android/inputmethod/research/Statistics.java b/java/src/com/android/inputmethod/research/Statistics.java
new file mode 100644
index 0000000..4a2cd07
--- /dev/null
+++ b/java/src/com/android/inputmethod/research/Statistics.java
@@ -0,0 +1,146 @@
+/*
+ * Copyright (C) 2012 The Android Open Source Project
+ *
+ * Licensed under the Apache License, Version 2.0 (the "License"); you may not
+ * use this file except in compliance with the License. You may obtain a copy of
+ * the License at
+ *
+ * http://www.apache.org/licenses/LICENSE-2.0
+ *
+ * Unless required by applicable law or agreed to in writing, software
+ * distributed under the License is distributed on an "AS IS" BASIS, WITHOUT
+ * WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied. See the
+ * License for the specific language governing permissions and limitations under
+ * the License.
+ */
+
+package com.android.inputmethod.research;
+
+import com.android.inputmethod.keyboard.Keyboard;
+
+public class Statistics {
+    // Number of characters entered during a typing session
+    int mCharCount;
+    // Number of letter characters entered during a typing session
+    int mLetterCount;
+    // Number of number characters entered
+    int mNumberCount;
+    // Number of space characters entered
+    int mSpaceCount;
+    // Number of delete operations entered (taps on the backspace key)
+    int mDeleteKeyCount;
+    // Number of words entered during a session.
+    int mWordCount;
+    // Whether the text field was empty upon editing
+    boolean mIsEmptyUponStarting;
+    boolean mIsEmptinessStateKnown;
+
+    // Timers to count average time to enter a key, first press a delete key,
+    // between delete keys, and then to return typing after a delete key.
+    final AverageTimeCounter mKeyCounter = new AverageTimeCounter();
+    final AverageTimeCounter mBeforeDeleteKeyCounter = new AverageTimeCounter();
+    final AverageTimeCounter mDuringRepeatedDeleteKeysCounter = new AverageTimeCounter();
+    final AverageTimeCounter mAfterDeleteKeyCounter = new AverageTimeCounter();
+
+    static class AverageTimeCounter {
+        int mCount;
+        int mTotalTime;
+
+        public void reset() {
+            mCount = 0;
+            mTotalTime = 0;
+        }
+
+        public void add(long deltaTime) {
+            mCount++;
+            mTotalTime += deltaTime;
+        }
+
+        public int getAverageTime() {
+            if (mCount == 0) {
+                return 0;
+            }
+            return mTotalTime / mCount;
+        }
+    }
+
+    // To account for the interruptions when the user's attention is directed elsewhere, times
+    // longer than MIN_TYPING_INTERMISSION are not counted when estimating this statistic.
+    public static final int MIN_TYPING_INTERMISSION = 5 * 1000;  // in milliseconds
+    public static final int MIN_DELETION_INTERMISSION = 15 * 1000;  // in milliseconds
+
+    // The last time that a tap was performed
+    private long mLastTapTime;
+    // The type of the last keypress (delete key or not)
+    boolean mIsLastKeyDeleteKey;
+
+    private static final Statistics sInstance = new Statistics();
+
+    public static Statistics getInstance() {
+        return sInstance;
+    }
+
+    private Statistics() {
+        reset();
+    }
+
+    public void reset() {
+        mCharCount = 0;
+        mLetterCount = 0;
+        mNumberCount = 0;
+        mSpaceCount = 0;
+        mDeleteKeyCount = 0;
+        mWordCount = 0;
+        mIsEmptyUponStarting = true;
+        mIsEmptinessStateKnown = false;
+        mKeyCounter.reset();
+        mBeforeDeleteKeyCounter.reset();
+        mDuringRepeatedDeleteKeysCounter.reset();
+        mAfterDeleteKeyCounter.reset();
+
+        mLastTapTime = 0;
+        mIsLastKeyDeleteKey = false;
+    }
+
+    public void recordChar(int codePoint, long time) {
+        final long delta = time - mLastTapTime;
+        if (codePoint == Keyboard.CODE_DELETE) {
+            mDeleteKeyCount++;
+            if (delta < MIN_DELETION_INTERMISSION) {
+                if (mIsLastKeyDeleteKey) {
+                    mDuringRepeatedDeleteKeysCounter.add(delta);
+                } else {
+                    mBeforeDeleteKeyCounter.add(delta);
+                }
+            }
+            mIsLastKeyDeleteKey = true;
+        } else {
+            mCharCount++;
+            if (Character.isDigit(codePoint)) {
+                mNumberCount++;
+            }
+            if (Character.isLetter(codePoint)) {
+                mLetterCount++;
+            }
+            if (Character.isSpaceChar(codePoint)) {
+                mSpaceCount++;
+            }
+            if (mIsLastKeyDeleteKey && delta < MIN_DELETION_INTERMISSION) {
+                mAfterDeleteKeyCounter.add(delta);
+            } else if (!mIsLastKeyDeleteKey && delta < MIN_TYPING_INTERMISSION) {
+                mKeyCounter.add(delta);
+            }
+            mIsLastKeyDeleteKey = false;
+        }
+        mLastTapTime = time;
+    }
+
+    public void recordWordEntered() {
+        mWordCount++;
+    }
+
+    public void setIsEmptyUponStarting(final boolean isEmpty) {
+        mIsEmptyUponStarting = isEmpty;
+        mIsEmptinessStateKnown = true;
+    }
+}
diff --git a/tests/src/com/android/inputmethod/keyboard/SpacebarTextTests.java b/tests/src/com/android/inputmethod/keyboard/SpacebarTextTests.java
index 87501ee..bc50439 100644
--- a/tests/src/com/android/inputmethod/keyboard/SpacebarTextTests.java
+++ b/tests/src/com/android/inputmethod/keyboard/SpacebarTextTests.java
@@ -22,6 +22,7 @@
 import android.view.inputmethod.InputMethodSubtype;
 
 import com.android.inputmethod.latin.AdditionalSubtype;
+import com.android.inputmethod.latin.CollectionUtils;
 import com.android.inputmethod.latin.ImfUtils;
 import com.android.inputmethod.latin.StringUtils;
 import com.android.inputmethod.latin.SubtypeLocale;
@@ -31,7 +32,7 @@
 
 public class SpacebarTextTests extends AndroidTestCase {
     // Locale to subtypes list.
-    private final ArrayList<InputMethodSubtype> mSubtypesList = new ArrayList<InputMethodSubtype>();
+    private final ArrayList<InputMethodSubtype> mSubtypesList = CollectionUtils.newArrayList();
 
     private Resources mRes;
 
diff --git a/tests/src/com/android/inputmethod/keyboard/internal/KeySpecParserCsvTests.java b/tests/src/com/android/inputmethod/keyboard/internal/KeySpecParserCsvTests.java
index 3dc4543..1346c00 100644
--- a/tests/src/com/android/inputmethod/keyboard/internal/KeySpecParserCsvTests.java
+++ b/tests/src/com/android/inputmethod/keyboard/internal/KeySpecParserCsvTests.java
@@ -19,6 +19,8 @@
 import android.app.Instrumentation;
 import android.test.InstrumentationTestCase;
 
+import com.android.inputmethod.latin.CollectionUtils;
+
 import java.lang.reflect.Field;
 import java.util.ArrayList;
 import java.util.Arrays;
@@ -42,7 +44,7 @@
     }
 
     private static String[] getAllResourceIdNames(final Class<?> resourceIdClass) {
-        final ArrayList<String> names = new ArrayList<String>();
+        final ArrayList<String> names = CollectionUtils.newArrayList();
         for (final Field field : resourceIdClass.getFields()) {
             if (field.getType() == Integer.TYPE) {
                 names.add(field.getName());
diff --git a/tests/src/com/android/inputmethod/latin/InputTestsBase.java b/tests/src/com/android/inputmethod/latin/InputTestsBase.java
index c672d51..9feec2b 100644
--- a/tests/src/com/android/inputmethod/latin/InputTestsBase.java
+++ b/tests/src/com/android/inputmethod/latin/InputTestsBase.java
@@ -39,7 +39,6 @@
 
 import com.android.inputmethod.keyboard.Key;
 import com.android.inputmethod.keyboard.Keyboard;
-import com.android.inputmethod.keyboard.KeyboardActionListener;
 
 import java.util.HashMap;
 
@@ -222,9 +221,7 @@
                 return;
             }
         }
-        mLatinIME.onCodeInput(codePoint,
-                KeyboardActionListener.NOT_A_TOUCH_COORDINATE,
-                KeyboardActionListener.NOT_A_TOUCH_COORDINATE);
+        mLatinIME.onCodeInput(codePoint, Constants.NOT_A_COORDINATE, Constants.NOT_A_COORDINATE);
         //mLatinIME.onReleaseKey(codePoint, false);
     }
 
@@ -260,9 +257,7 @@
     }
 
     protected void pickSuggestionManually(final int index, final CharSequence suggestion) {
-        mLatinIME.pickSuggestionManually(index, suggestion,
-                KeyboardActionListener.NOT_A_TOUCH_COORDINATE,
-                KeyboardActionListener.NOT_A_TOUCH_COORDINATE);
+        mLatinIME.pickSuggestionManually(index, suggestion);
     }
 
     // Helper to avoid writing the try{}catch block each time
diff --git a/tests/src/com/android/inputmethod/latin/SubtypeLocaleTests.java b/tests/src/com/android/inputmethod/latin/SubtypeLocaleTests.java
index c70c2fd..52a3745 100644
--- a/tests/src/com/android/inputmethod/latin/SubtypeLocaleTests.java
+++ b/tests/src/com/android/inputmethod/latin/SubtypeLocaleTests.java
@@ -28,7 +28,7 @@
 
 public class SubtypeLocaleTests extends AndroidTestCase {
     // Locale to subtypes list.
-    private final ArrayList<InputMethodSubtype> mSubtypesList = new ArrayList<InputMethodSubtype>();
+    private final ArrayList<InputMethodSubtype> mSubtypesList = CollectionUtils.newArrayList();
 
     private Resources mRes;
 
diff --git a/tools/maketext/res/com/android/inputmethod/keyboard/internal/KeyboardTextsSet.tmpl b/tools/maketext/res/com/android/inputmethod/keyboard/internal/KeyboardTextsSet.tmpl
index f6c84ea..774094c 100644
--- a/tools/maketext/res/com/android/inputmethod/keyboard/internal/KeyboardTextsSet.tmpl
+++ b/tools/maketext/res/com/android/inputmethod/keyboard/internal/KeyboardTextsSet.tmpl
@@ -19,6 +19,7 @@
 import android.content.Context;
 import android.content.res.Resources;
 
+import com.android.inputmethod.latin.CollectionUtils;
 import com.android.inputmethod.latin.R;
 
 import java.util.HashMap;
@@ -45,14 +46,12 @@
  */
 public final class KeyboardTextsSet {
     // Language to texts map.
-    private static final HashMap<String, String[]> sLocaleToTextsMap =
-            new HashMap<String, String[]>();
-    private static final HashMap<String, Integer> sNameToIdsMap =
-            new HashMap<String, Integer>();
+    private static final HashMap<String, String[]> sLocaleToTextsMap = CollectionUtils.newHashMap();
+    private static final HashMap<String, Integer> sNameToIdsMap = CollectionUtils.newHashMap();
 
     private String[] mTexts;
     // Resource name to text map.
-    private HashMap<String, String> mResourceNameToTextsMap = new HashMap<String, String>();
+    private HashMap<String, String> mResourceNameToTextsMap = CollectionUtils.newHashMap();
 
     public void setLanguage(final String language) {
         mTexts = sLocaleToTextsMap.get(language);