diff --git a/java/src/com/android/inputmethod/accessibility/AccessibleKeyboardViewProxy.java b/java/src/com/android/inputmethod/accessibility/AccessibleKeyboardViewProxy.java
index 1adef90..96f7fc9 100644
--- a/java/src/com/android/inputmethod/accessibility/AccessibleKeyboardViewProxy.java
+++ b/java/src/com/android/inputmethod/accessibility/AccessibleKeyboardViewProxy.java
@@ -27,10 +27,10 @@
 
 import com.android.inputmethod.compat.AccessibilityEventCompatUtils;
 import com.android.inputmethod.compat.MotionEventCompatUtils;
+import com.android.inputmethod.keyboard.Key;
 import com.android.inputmethod.keyboard.KeyDetector;
 import com.android.inputmethod.keyboard.KeyboardView;
 import com.android.inputmethod.keyboard.PointerTracker;
-import com.android.inputmethod.keyboard.internal.Key;
 
 public class AccessibleKeyboardViewProxy {
     private static final String TAG = AccessibleKeyboardViewProxy.class.getSimpleName();
diff --git a/java/src/com/android/inputmethod/accessibility/KeyCodeDescriptionMapper.java b/java/src/com/android/inputmethod/accessibility/KeyCodeDescriptionMapper.java
index 5e6f10b..154f4af 100644
--- a/java/src/com/android/inputmethod/accessibility/KeyCodeDescriptionMapper.java
+++ b/java/src/com/android/inputmethod/accessibility/KeyCodeDescriptionMapper.java
@@ -20,9 +20,9 @@
 import android.content.SharedPreferences;
 import android.text.TextUtils;
 
+import com.android.inputmethod.keyboard.Key;
 import com.android.inputmethod.keyboard.Keyboard;
 import com.android.inputmethod.keyboard.KeyboardId;
-import com.android.inputmethod.keyboard.internal.Key;
 import com.android.inputmethod.latin.R;
 
 import java.util.HashMap;
diff --git a/java/src/com/android/inputmethod/keyboard/internal/Key.java b/java/src/com/android/inputmethod/keyboard/Key.java
similarity index 96%
rename from java/src/com/android/inputmethod/keyboard/internal/Key.java
rename to java/src/com/android/inputmethod/keyboard/Key.java
index ebd80be..2850c95 100644
--- a/java/src/com/android/inputmethod/keyboard/internal/Key.java
+++ b/java/src/com/android/inputmethod/keyboard/Key.java
@@ -14,7 +14,7 @@
  * the License.
  */
 
-package com.android.inputmethod.keyboard.internal;
+package com.android.inputmethod.keyboard;
 
 import android.content.res.Resources;
 import android.content.res.TypedArray;
@@ -23,7 +23,11 @@
 import android.text.TextUtils;
 import android.util.Xml;
 
-import com.android.inputmethod.keyboard.Keyboard;
+import com.android.inputmethod.keyboard.internal.KeyStyles;
+import com.android.inputmethod.keyboard.internal.KeyboardIconsSet;
+import com.android.inputmethod.keyboard.internal.KeyboardParser;
+import com.android.inputmethod.keyboard.internal.PopupCharactersParser;
+import com.android.inputmethod.keyboard.internal.Row;
 import com.android.inputmethod.keyboard.internal.KeyStyles.KeyStyle;
 import com.android.inputmethod.keyboard.internal.KeyboardParser.ParseException;
 import com.android.inputmethod.latin.R;
@@ -97,11 +101,11 @@
     private final Keyboard mKeyboard;
 
     /** The current pressed state of this key */
-    public boolean mPressed;
+    private boolean mPressed;
     /** If this is a sticky key, is its highlight on? */
-    public boolean mHighlightOn;
+    private boolean mHighlightOn;
     /** Key is enabled and responds on press */
-    public boolean mEnabled = true;
+    private boolean mEnabled = true;
 
     // keyWidth constants
     private static final int KEYWIDTH_FILL_RIGHT = 0;
@@ -377,6 +381,18 @@
         mPressed = false;
     }
 
+    public void setHighlightOn(boolean highlightOn) {
+        mHighlightOn = highlightOn;
+    }
+
+    public boolean isEnabled() {
+        return mEnabled;
+    }
+
+    public void setEnabled(boolean enabled) {
+        mEnabled = enabled;
+    }
+
     /**
      * Detects if a point falls on this key.
      * @param x the x-coordinate of the point
diff --git a/java/src/com/android/inputmethod/keyboard/KeyDetector.java b/java/src/com/android/inputmethod/keyboard/KeyDetector.java
index 818f3f9..7add43a 100644
--- a/java/src/com/android/inputmethod/keyboard/KeyDetector.java
+++ b/java/src/com/android/inputmethod/keyboard/KeyDetector.java
@@ -18,8 +18,6 @@
 
 import android.util.Log;
 
-import com.android.inputmethod.keyboard.internal.Key;
-
 import java.util.Arrays;
 import java.util.List;
 
diff --git a/java/src/com/android/inputmethod/keyboard/Keyboard.java b/java/src/com/android/inputmethod/keyboard/Keyboard.java
index 889d54b..20327c5 100644
--- a/java/src/com/android/inputmethod/keyboard/Keyboard.java
+++ b/java/src/com/android/inputmethod/keyboard/Keyboard.java
@@ -21,7 +21,6 @@
 import android.graphics.drawable.Drawable;
 import android.util.Log;
 
-import com.android.inputmethod.keyboard.internal.Key;
 import com.android.inputmethod.keyboard.internal.KeyboardIconsSet;
 import com.android.inputmethod.keyboard.internal.KeyboardParser;
 import com.android.inputmethod.keyboard.internal.KeyboardShiftState;
@@ -297,7 +296,7 @@
     public boolean setShiftLocked(boolean newShiftLockState) {
         final Map<Key, Drawable> shiftedIcons = getShiftedIcons();
         for (final Key key : getShiftKeys()) {
-            key.mHighlightOn = newShiftLockState;
+            key.setHighlightOn(newShiftLockState);
             key.setIcon(newShiftLockState ? shiftedIcons.get(key) : mNormalShiftIcons.get(key));
         }
         mShiftState.setShiftLocked(newShiftLockState);
diff --git a/java/src/com/android/inputmethod/keyboard/KeyboardSwitcher.java b/java/src/com/android/inputmethod/keyboard/KeyboardSwitcher.java
index 5176467..275e9d1 100644
--- a/java/src/com/android/inputmethod/keyboard/KeyboardSwitcher.java
+++ b/java/src/com/android/inputmethod/keyboard/KeyboardSwitcher.java
@@ -28,7 +28,6 @@
 
 import com.android.inputmethod.accessibility.AccessibleKeyboardViewProxy;
 import com.android.inputmethod.compat.InputMethodManagerCompatWrapper;
-import com.android.inputmethod.keyboard.internal.Key;
 import com.android.inputmethod.keyboard.internal.ModifierKeyState;
 import com.android.inputmethod.keyboard.internal.ShiftKeyState;
 import com.android.inputmethod.latin.LatinIME;
diff --git a/java/src/com/android/inputmethod/keyboard/KeyboardView.java b/java/src/com/android/inputmethod/keyboard/KeyboardView.java
index 2cea212..3d62303 100644
--- a/java/src/com/android/inputmethod/keyboard/KeyboardView.java
+++ b/java/src/com/android/inputmethod/keyboard/KeyboardView.java
@@ -49,7 +49,6 @@
 import com.android.inputmethod.accessibility.AccessibilityUtils;
 import com.android.inputmethod.accessibility.AccessibleKeyboardViewProxy;
 import com.android.inputmethod.compat.FrameLayoutCompatUtils;
-import com.android.inputmethod.keyboard.internal.Key;
 import com.android.inputmethod.keyboard.internal.MiniKeyboardBuilder;
 import com.android.inputmethod.keyboard.internal.PointerTrackerQueue;
 import com.android.inputmethod.keyboard.internal.SwipeTracker;
@@ -744,7 +743,7 @@
             } else {
                 paint.setColor(mKeyTextColor);
             }
-            if (key.mEnabled) {
+            if (key.isEnabled()) {
                 // Set a drop shadow for the text
                 paint.setShadowLayer(mShadowRadius, 0, 0, mShadowColor);
             } else {
diff --git a/java/src/com/android/inputmethod/keyboard/LatinKeyboard.java b/java/src/com/android/inputmethod/keyboard/LatinKeyboard.java
index 0329ee2..76eac1a 100644
--- a/java/src/com/android/inputmethod/keyboard/LatinKeyboard.java
+++ b/java/src/com/android/inputmethod/keyboard/LatinKeyboard.java
@@ -33,7 +33,6 @@
 import android.graphics.drawable.BitmapDrawable;
 import android.graphics.drawable.Drawable;
 
-import com.android.inputmethod.keyboard.internal.Key;
 import com.android.inputmethod.keyboard.internal.SlidingLocaleDrawable;
 import com.android.inputmethod.latin.R;
 import com.android.inputmethod.latin.SubtypeSwitcher;
@@ -175,7 +174,7 @@
     public void updateShortcutKey(boolean available, LatinKeyboardView view) {
         if (mShortcutKey == null)
             return;
-        mShortcutKey.mEnabled = available;
+        mShortcutKey.setEnabled(available);
         mShortcutKey.setIcon(available ? mEnabledShortcutIcon : mDisabledShortcutIcon);
         if (view != null)
             view.invalidateKey(mShortcutKey);
diff --git a/java/src/com/android/inputmethod/keyboard/LatinKeyboardView.java b/java/src/com/android/inputmethod/keyboard/LatinKeyboardView.java
index d25d1f0..901df6a 100644
--- a/java/src/com/android/inputmethod/keyboard/LatinKeyboardView.java
+++ b/java/src/com/android/inputmethod/keyboard/LatinKeyboardView.java
@@ -24,7 +24,6 @@
 import android.view.MotionEvent;
 
 import com.android.inputmethod.deprecated.VoiceProxy;
-import com.android.inputmethod.keyboard.internal.Key;
 import com.android.inputmethod.latin.LatinImeLogger;
 import com.android.inputmethod.latin.Utils;
 
diff --git a/java/src/com/android/inputmethod/keyboard/MiniKeyboard.java b/java/src/com/android/inputmethod/keyboard/MiniKeyboard.java
index d3d3fa5..2d6766f 100644
--- a/java/src/com/android/inputmethod/keyboard/MiniKeyboard.java
+++ b/java/src/com/android/inputmethod/keyboard/MiniKeyboard.java
@@ -18,8 +18,6 @@
 
 import android.content.Context;
 
-import com.android.inputmethod.keyboard.internal.Key;
-
 import java.util.List;
 
 public class MiniKeyboard extends Keyboard {
diff --git a/java/src/com/android/inputmethod/keyboard/MiniKeyboardKeyDetector.java b/java/src/com/android/inputmethod/keyboard/MiniKeyboardKeyDetector.java
index 9170c3b..cc5c3bb 100644
--- a/java/src/com/android/inputmethod/keyboard/MiniKeyboardKeyDetector.java
+++ b/java/src/com/android/inputmethod/keyboard/MiniKeyboardKeyDetector.java
@@ -16,8 +16,6 @@
 
 package com.android.inputmethod.keyboard;
 
-import com.android.inputmethod.keyboard.internal.Key;
-
 import java.util.List;
 
 public class MiniKeyboardKeyDetector extends KeyDetector {
diff --git a/java/src/com/android/inputmethod/keyboard/PointerTracker.java b/java/src/com/android/inputmethod/keyboard/PointerTracker.java
index 1d70481..c7620f9 100644
--- a/java/src/com/android/inputmethod/keyboard/PointerTracker.java
+++ b/java/src/com/android/inputmethod/keyboard/PointerTracker.java
@@ -22,7 +22,6 @@
 import android.view.MotionEvent;
 
 import com.android.inputmethod.keyboard.KeyboardView.UIHandler;
-import com.android.inputmethod.keyboard.internal.Key;
 import com.android.inputmethod.keyboard.internal.PointerTrackerKeyState;
 import com.android.inputmethod.keyboard.internal.PointerTrackerQueue;
 import com.android.inputmethod.latin.LatinImeLogger;
@@ -150,7 +149,7 @@
                     + " ignoreModifier=" + ignoreModifierKey);
         if (ignoreModifierKey)
             return false;
-        if (key.mEnabled) {
+        if (key.isEnabled()) {
             mListener.onPress(key.mCode, withSliding);
             final boolean keyboardLayoutHasBeenChanged = mKeyboardLayoutHasBeenChanged;
             mKeyboardLayoutHasBeenChanged = false;
@@ -169,14 +168,14 @@
                     + " ignoreModifier=" + ignoreModifierKey);
         if (ignoreModifierKey)
             return;
-        if (key.mEnabled)
+        if (key.isEnabled())
             mListener.onCodeInput(primaryCode, keyCodes, x, y);
     }
 
     private void callListenerOnTextInput(Key key) {
         if (DEBUG_LISTENER)
             Log.d(TAG, "onTextInput: text=" + key.mOutputText);
-        if (key.mEnabled)
+        if (key.isEnabled())
             mListener.onTextInput(key.mOutputText);
     }
 
@@ -189,7 +188,7 @@
                     + withSliding + " ignoreModifier=" + ignoreModifierKey);
         if (ignoreModifierKey)
             return;
-        if (key.mEnabled)
+        if (key.isEnabled())
             mListener.onRelease(primaryCode, withSliding);
     }
 
@@ -269,7 +268,7 @@
 
     private void setPressedKeyGraphics(int keyIndex) {
         final Key key = getKey(keyIndex);
-        if (key != null && key.mEnabled) {
+        if (key != null && key.isEnabled()) {
             key.onPressed();
             mProxy.invalidateKey(key);
         }
@@ -618,7 +617,7 @@
     // The modifier key, such as shift key, should not show its key preview.
     private boolean isKeyPreviewNotRequired(int keyIndex) {
         final Key key = getKey(keyIndex);
-        if (key == null || !key.mEnabled)
+        if (key == null || !key.isEnabled())
             return true;
         // Such as spacebar sliding language switch.
         if (mKeyboard.needSpacebarPreview(keyIndex))
diff --git a/java/src/com/android/inputmethod/keyboard/PopupMiniKeyboardView.java b/java/src/com/android/inputmethod/keyboard/PopupMiniKeyboardView.java
index b603e4c..3b8c364 100644
--- a/java/src/com/android/inputmethod/keyboard/PopupMiniKeyboardView.java
+++ b/java/src/com/android/inputmethod/keyboard/PopupMiniKeyboardView.java
@@ -25,7 +25,6 @@
 import android.view.View;
 import android.widget.PopupWindow;
 
-import com.android.inputmethod.keyboard.internal.Key;
 import com.android.inputmethod.latin.R;
 
 /**
diff --git a/java/src/com/android/inputmethod/keyboard/PopupPanel.java b/java/src/com/android/inputmethod/keyboard/PopupPanel.java
index 3636ac1..386e11f 100644
--- a/java/src/com/android/inputmethod/keyboard/PopupPanel.java
+++ b/java/src/com/android/inputmethod/keyboard/PopupPanel.java
@@ -19,8 +19,6 @@
 import android.view.MotionEvent;
 import android.widget.PopupWindow;
 
-import com.android.inputmethod.keyboard.internal.Key;
-
 public interface PopupPanel {
     /**
      * Show popup panel.
diff --git a/java/src/com/android/inputmethod/keyboard/ProximityInfo.java b/java/src/com/android/inputmethod/keyboard/ProximityInfo.java
index a6a07e5..33acc69 100644
--- a/java/src/com/android/inputmethod/keyboard/ProximityInfo.java
+++ b/java/src/com/android/inputmethod/keyboard/ProximityInfo.java
@@ -16,7 +16,6 @@
 
 package com.android.inputmethod.keyboard;
 
-import com.android.inputmethod.keyboard.internal.Key;
 import com.android.inputmethod.latin.Utils;
 
 import java.util.Arrays;
diff --git a/java/src/com/android/inputmethod/keyboard/internal/KeyboardParser.java b/java/src/com/android/inputmethod/keyboard/internal/KeyboardParser.java
index 76c8410..a670817 100644
--- a/java/src/com/android/inputmethod/keyboard/internal/KeyboardParser.java
+++ b/java/src/com/android/inputmethod/keyboard/internal/KeyboardParser.java
@@ -26,6 +26,7 @@
 import android.view.InflateException;
 
 import com.android.inputmethod.compat.EditorInfoCompatUtils;
+import com.android.inputmethod.keyboard.Key;
 import com.android.inputmethod.keyboard.Keyboard;
 import com.android.inputmethod.keyboard.KeyboardId;
 import com.android.inputmethod.latin.R;
@@ -331,7 +332,7 @@
         } else {
             Key key = new Key(mResources, row, mCurrentX, mCurrentY, parser, mKeyStyles);
             if (DEBUG) Log.d(TAG, String.format("<%s%s keyLabel=%s code=%d popupCharacters=%s />",
-                    TAG_KEY, (key.mEnabled ? "" : " disabled"), key.mLabel, key.mCode,
+                    TAG_KEY, (key.isEnabled() ? "" : " disabled"), key.mLabel, key.mCode,
                     Arrays.toString(key.mPopupCharacters)));
             checkEndTag(TAG_KEY, parser);
             keys.add(key);
diff --git a/java/src/com/android/inputmethod/keyboard/internal/MiniKeyboardBuilder.java b/java/src/com/android/inputmethod/keyboard/internal/MiniKeyboardBuilder.java
index 01faae6..040c16d 100644
--- a/java/src/com/android/inputmethod/keyboard/internal/MiniKeyboardBuilder.java
+++ b/java/src/com/android/inputmethod/keyboard/internal/MiniKeyboardBuilder.java
@@ -21,6 +21,7 @@
 import android.graphics.Paint;
 import android.graphics.Rect;
 
+import com.android.inputmethod.keyboard.Key;
 import com.android.inputmethod.keyboard.Keyboard;
 import com.android.inputmethod.keyboard.KeyboardView;
 import com.android.inputmethod.keyboard.MiniKeyboard;
diff --git a/tests/src/com/android/inputmethod/latin/SuggestHelper.java b/tests/src/com/android/inputmethod/latin/SuggestHelper.java
index f1224a2..87ea011 100644
--- a/tests/src/com/android/inputmethod/latin/SuggestHelper.java
+++ b/tests/src/com/android/inputmethod/latin/SuggestHelper.java
@@ -16,10 +16,10 @@
 
 package com.android.inputmethod.latin;
 
+import com.android.inputmethod.keyboard.Key;
 import com.android.inputmethod.keyboard.KeyDetector;
 import com.android.inputmethod.keyboard.KeyboardId;
 import com.android.inputmethod.keyboard.LatinKeyboard;
-import com.android.inputmethod.keyboard.internal.Key;
 
 import android.content.Context;
 import android.text.TextUtils;