Merge "Remove mPrevWordsInfo"
diff --git a/java/res/layout/emoji_keyboard_tab_icon.xml b/java/res/layout/emoji_keyboard_tab_icon.xml
index 13bb41c..15f9c3a 100644
--- a/java/res/layout/emoji_keyboard_tab_icon.xml
+++ b/java/res/layout/emoji_keyboard_tab_icon.xml
@@ -19,6 +19,8 @@
 -->
 
 <!-- Note: contentDescription will be added programatically in {@link EmojiPalettesView}. -->
+<!-- Provide audio and haptic feedback by ourselves based on the keyboard settings.
+     We just need to ignore the system's audio and haptic feedback settings. -->
 <ImageView xmlns:android="http://schemas.android.com/apk/res/android"
     android:layout_width="0dip"
     android:layout_weight="1.0"
@@ -26,4 +28,6 @@
     android:gravity="center"
     android:scaleType="center"
     android:contentDescription="@null"
+    android:hapticFeedbackEnabled="false"
+    android:soundEffectsEnabled="false"
 />
diff --git a/java/res/layout/emoji_palettes_view.xml b/java/res/layout/emoji_palettes_view.xml
index 06a937b..9ff090a 100644
--- a/java/res/layout/emoji_palettes_view.xml
+++ b/java/res/layout/emoji_palettes_view.xml
@@ -62,11 +62,15 @@
             android:layout_height="match_parent"
             android:background="@drawable/suggestions_strip_divider" />
         <!-- TODO: Implement KeyView and replace this. -->
+        <!-- Provide audio and haptic feedback by ourselves based on the keyboard settings.
+             We just need to ignore the system's audio and haptic feedback settings. -->
         <ImageButton
             android:id="@+id/emoji_keyboard_delete"
             android:layout_width="0dip"
             android:layout_weight="12.5"
             android:layout_height="match_parent"
+            android:hapticFeedbackEnabled="false"
+            android:soundEffectsEnabled="false"
             android:contentDescription="@string/spoken_description_delete" />
     </LinearLayout>
     <android.support.v4.view.ViewPager
@@ -85,18 +89,26 @@
         android:layout_weight="1"
     >
         <!-- TODO: Implement a KeyView and replace this. -->
+        <!-- Provide audio and haptic feedback by ourselves based on the keyboard settings.
+             We just need to ignore the system's audio and haptic feedback settings. -->
         <TextView
             android:id="@+id/emoji_keyboard_alphabet_left"
             android:layout_width="0dip"
             android:layout_weight="0.15"
             android:gravity="center"
-            android:layout_height="match_parent" />
+            android:layout_height="match_parent"
+            android:hapticFeedbackEnabled="false"
+            android:soundEffectsEnabled="false" />
         <!-- TODO: Implement KeyView and replace this. -->
+        <!-- Provide audio and haptic feedback by ourselves based on the keyboard settings.
+             We just need to ignore the system's audio and haptic feedback settings. -->
         <RelativeLayout
             android:id="@+id/emoji_keyboard_space"
             android:layout_width="0dip"
             android:layout_weight="0.70"
             android:layout_height="match_parent"
+            android:hapticFeedbackEnabled="false"
+            android:soundEffectsEnabled="false"
             android:contentDescription="@string/spoken_description_space">
             <!-- WORKAROUND: Show the spacebar icon as a bacground of this View. -->
             <View
@@ -108,11 +120,15 @@
                 android:layout_centerInParent="true" />
         </RelativeLayout>
         <!-- TODO: Implement KeyView and replace this. -->
+        <!-- Provide audio and haptic feedback by ourselves based on the keyboard settings.
+             We just need to ignore the system's audio and haptic feedback settings. -->
         <TextView
             android:id="@+id/emoji_keyboard_alphabet_right"
             android:layout_width="0dip"
             android:layout_weight="0.15"
             android:gravity="center"
-            android:layout_height="match_parent" />
+            android:layout_height="match_parent"
+            android:hapticFeedbackEnabled="false"
+            android:soundEffectsEnabled="false" />
     </LinearLayout>
 </com.android.inputmethod.keyboard.emoji.EmojiPalettesView>
diff --git a/java/res/layout/suggestion_divider.xml b/java/res/layout/suggestion_divider.xml
index 1490951..563599d 100644
--- a/java/res/layout/suggestion_divider.xml
+++ b/java/res/layout/suggestion_divider.xml
@@ -18,11 +18,17 @@
 */
 -->
 
+<!-- Provide audio and haptic feedback by ourselves based on the keyboard settings.
+     We just need to ignore the system's audio and haptic feedback settings. -->
 <ImageView
     xmlns:android="http://schemas.android.com/apk/res/android"
     android:layout_width="wrap_content"
     android:layout_height="match_parent"
+    android:padding="0dp"
+    android:gravity="center"
     android:src="@drawable/suggestions_strip_divider"
     android:contentDescription="@null"
-    android:padding="0dp"
-    android:gravity="center" />
+    android:clickable="false"
+    android:longClickable="false"
+    android:hapticFeedbackEnabled="false"
+    android:soundEffectsEnabled="false" />
diff --git a/java/res/layout/suggestions_strip.xml b/java/res/layout/suggestions_strip.xml
index 3d2f07f..4894779 100644
--- a/java/res/layout/suggestions_strip.xml
+++ b/java/res/layout/suggestions_strip.xml
@@ -20,13 +20,19 @@
 
 <merge
     xmlns:android="http://schemas.android.com/apk/res/android">
+    <!-- Provide audio and haptic feedback by ourselves based on the keyboard settings.
+         We just need to ignore the system's audio and haptic feedback settings. -->
     <LinearLayout
         android:id="@+id/suggestions_strip"
         android:orientation="horizontal"
         android:layout_width="match_parent"
         android:layout_height="match_parent"
         android:layout_marginLeft="@dimen/config_suggestions_strip_horizontal_margin"
-        android:layout_marginRight="@dimen/config_suggestions_strip_horizontal_margin" />
+        android:layout_marginRight="@dimen/config_suggestions_strip_horizontal_margin"
+        android:hapticFeedbackEnabled="false"
+        android:soundEffectsEnabled="false" />
+    <!-- Provide audio and haptic feedback by ourselves based on the keyboard settings.
+         We just need to ignore the system's audio and haptic feedback settings. -->
     <LinearLayout
         android:id="@+id/add_to_dictionary_strip"
         android:orientation="horizontal"
@@ -34,7 +40,8 @@
         android:layout_height="match_parent"
         android:layout_marginLeft="@dimen/config_suggestions_strip_horizontal_margin"
         android:layout_marginRight="@dimen/config_suggestions_strip_horizontal_margin"
-        android:visibility="invisible">
+        android:hapticFeedbackEnabled="false"
+        android:soundEffectsEnabled="false">
         <TextView
             android:id="@+id/word_to_save"
             android:layout_width="match_parent"
@@ -49,13 +56,17 @@
             android:textAlignment="viewStart"
             style="?attr/suggestionWordStyle" />
     </LinearLayout>
+    <!-- Provide audio and haptic feedback by ourselves based on the keyboard settings.
+         We just need to ignore the system's audio and haptic feedback settings. -->
     <LinearLayout
         android:id="@+id/important_notice_strip"
         android:orientation="horizontal"
         android:layout_width="match_parent"
         android:layout_height="match_parent"
         android:layout_marginLeft="@dimen/config_suggestions_strip_horizontal_margin"
-        android:layout_marginRight="@dimen/config_suggestions_strip_horizontal_margin">
+        android:layout_marginRight="@dimen/config_suggestions_strip_horizontal_margin"
+        android:hapticFeedbackEnabled="false"
+        android:soundEffectsEnabled="false" >
         <TextView
             android:id="@+id/important_notice_title"
             android:layout_width="match_parent"
diff --git a/java/res/values/themes-common.xml b/java/res/values/themes-common.xml
index df26fb3..02a93ca 100644
--- a/java/res/values/themes-common.xml
+++ b/java/res/values/themes-common.xml
@@ -124,9 +124,10 @@
         <item name="android:paddingTop">0dp</item>
         <item name="android:paddingRight">@dimen/config_suggestion_text_horizontal_padding</item>
         <item name="android:paddingBottom">0dp</item>
-        <!-- Provide a haptic feedback by ourselves based on the keyboard settings.
-             We just need to ignore the system's haptic feedback settings. -->
+        <!-- Provide audio and haptic feedback by ourselves based on the keyboard settings.
+             We just need to ignore the system's audio and haptic feedback settings. -->
         <item name="android:hapticFeedbackEnabled">false</item>
+        <item name="android:soundEffectsEnabled">false</item>
         <item name="android:focusable">false</item>
         <item name="android:clickable">false</item>
         <item name="android:singleLine">true</item>
diff --git a/java/src/com/android/inputmethod/keyboard/emoji/EmojiPalettesView.java b/java/src/com/android/inputmethod/keyboard/emoji/EmojiPalettesView.java
index abed520..e37cd23 100644
--- a/java/src/com/android/inputmethod/keyboard/emoji/EmojiPalettesView.java
+++ b/java/src/com/android/inputmethod/keyboard/emoji/EmojiPalettesView.java
@@ -46,6 +46,7 @@
 import com.android.inputmethod.keyboard.internal.KeyDrawParams;
 import com.android.inputmethod.keyboard.internal.KeyVisualAttributes;
 import com.android.inputmethod.keyboard.internal.KeyboardIconsSet;
+import com.android.inputmethod.latin.AudioAndHapticFeedbackManager;
 import com.android.inputmethod.latin.Constants;
 import com.android.inputmethod.latin.R;
 import com.android.inputmethod.latin.SubtypeSwitcher;
@@ -240,6 +241,8 @@
 
     @Override
     public void onTabChanged(final String tabId) {
+        AudioAndHapticFeedbackManager.getInstance().performHapticAndAudioFeedback(
+                Constants.CODE_UNSPECIFIED, this);
         final int categoryId = mEmojiCategory.getCategoryId(tabId);
         setCurrentCategoryId(categoryId, false /* force */);
         updateEmojiCategoryPageIdView();
diff --git a/java/src/com/android/inputmethod/latin/AudioAndHapticFeedbackManager.java b/java/src/com/android/inputmethod/latin/AudioAndHapticFeedbackManager.java
index 54bc295..eb8b34c 100644
--- a/java/src/com/android/inputmethod/latin/AudioAndHapticFeedbackManager.java
+++ b/java/src/com/android/inputmethod/latin/AudioAndHapticFeedbackManager.java
@@ -16,14 +16,14 @@
 
 package com.android.inputmethod.latin;
 
-import com.android.inputmethod.latin.settings.SettingsValues;
-
 import android.content.Context;
 import android.media.AudioManager;
 import android.os.Vibrator;
 import android.view.HapticFeedbackConstants;
 import android.view.View;
 
+import com.android.inputmethod.latin.settings.SettingsValues;
+
 /**
  * This class gathers audio feedback and haptic feedback functions.
  *
@@ -86,40 +86,41 @@
         if (mAudioManager == null) {
             return;
         }
-        if (mSoundOn) {
-            final int sound;
-            switch (code) {
-            case Constants.CODE_DELETE:
-                sound = AudioManager.FX_KEYPRESS_DELETE;
-                break;
-            case Constants.CODE_ENTER:
-                sound = AudioManager.FX_KEYPRESS_RETURN;
-                break;
-            case Constants.CODE_SPACE:
-                sound = AudioManager.FX_KEYPRESS_SPACEBAR;
-                break;
-            default:
-                sound = AudioManager.FX_KEYPRESS_STANDARD;
-                break;
-            }
-            mAudioManager.playSoundEffect(sound, mSettingsValues.mKeypressSoundVolume);
+        if (!mSoundOn) {
+            return;
         }
+        final int sound;
+        switch (code) {
+        case Constants.CODE_DELETE:
+            sound = AudioManager.FX_KEYPRESS_DELETE;
+            break;
+        case Constants.CODE_ENTER:
+            sound = AudioManager.FX_KEYPRESS_RETURN;
+            break;
+        case Constants.CODE_SPACE:
+            sound = AudioManager.FX_KEYPRESS_SPACEBAR;
+            break;
+        default:
+            sound = AudioManager.FX_KEYPRESS_STANDARD;
+            break;
+        }
+        mAudioManager.playSoundEffect(sound, mSettingsValues.mKeypressSoundVolume);
     }
 
     public void performHapticFeedback(final View viewToPerformHapticFeedbackOn) {
         if (!mSettingsValues.mVibrateOn) {
             return;
         }
-        if (mSettingsValues.mKeypressVibrationDuration < 0) {
-            // Go ahead with the system default
-            if (viewToPerformHapticFeedbackOn != null) {
-                viewToPerformHapticFeedbackOn.performHapticFeedback(
-                        HapticFeedbackConstants.KEYBOARD_TAP,
-                        HapticFeedbackConstants.FLAG_IGNORE_GLOBAL_SETTING);
-            }
+        if (mSettingsValues.mKeypressVibrationDuration >= 0) {
+            vibrate(mSettingsValues.mKeypressVibrationDuration);
             return;
         }
-        vibrate(mSettingsValues.mKeypressVibrationDuration);
+        // Go ahead with the system default
+        if (viewToPerformHapticFeedbackOn != null) {
+            viewToPerformHapticFeedbackOn.performHapticFeedback(
+                    HapticFeedbackConstants.KEYBOARD_TAP,
+                    HapticFeedbackConstants.FLAG_IGNORE_GLOBAL_SETTING);
+        }
     }
 
     public void onSettingsChanged(final SettingsValues settingsValues) {
diff --git a/java/src/com/android/inputmethod/latin/suggestions/SuggestionStripLayoutHelper.java b/java/src/com/android/inputmethod/latin/suggestions/SuggestionStripLayoutHelper.java
index 810bda7..19b48f0 100644
--- a/java/src/com/android/inputmethod/latin/suggestions/SuggestionStripLayoutHelper.java
+++ b/java/src/com/android/inputmethod/latin/suggestions/SuggestionStripLayoutHelper.java
@@ -379,10 +379,9 @@
         } else {
             wordView.setCompoundDrawablesWithIntrinsicBounds(null, null, null, null);
         }
-
-        // Disable this suggestion if the suggestion is null or empty.
-        // TODO: Fix disabled {@link TextView}'s content description.
-        wordView.setEnabled(!TextUtils.isEmpty(word));
+        // {@link StyleSpan} in a content description may cause an issue of TTS/TalkBack.
+        // Use a simple {@link String} to avoid the issue.
+        wordView.setContentDescription(TextUtils.isEmpty(word) ? null : word.toString());
         final CharSequence text = getEllipsizedText(word, width, wordView.getPaint());
         final float scaleX = getTextScaleX(word, width, wordView.getPaint());
         wordView.setText(text); // TextView.setText() resets text scale x to 1.0.
@@ -461,14 +460,15 @@
             }
 
             final TextView wordView = mWordViews.get(positionInStrip);
-            wordView.setEnabled(true);
-            wordView.setTextColor(mColorAutoCorrect);
+            final String punctuation = punctuationSuggestions.getLabel(positionInStrip);
             // {@link TextView#getTag()} is used to get the index in suggestedWords at
             // {@link SuggestionStripView#onClick(View)}.
             wordView.setTag(positionInStrip);
-            wordView.setText(punctuationSuggestions.getLabel(positionInStrip));
+            wordView.setText(punctuation);
+            wordView.setContentDescription(punctuation);
             wordView.setTextScaleX(1.0f);
             wordView.setCompoundDrawables(null, null, null, null);
+            wordView.setTextColor(mColorAutoCorrect);
             stripView.addView(wordView);
             setLayoutWeight(wordView, 1.0f, mSuggestionsStripHeight);
         }
diff --git a/java/src/com/android/inputmethod/latin/suggestions/SuggestionStripView.java b/java/src/com/android/inputmethod/latin/suggestions/SuggestionStripView.java
index 9724149..3be933f 100644
--- a/java/src/com/android/inputmethod/latin/suggestions/SuggestionStripView.java
+++ b/java/src/com/android/inputmethod/latin/suggestions/SuggestionStripView.java
@@ -163,7 +163,6 @@
             word.setOnLongClickListener(this);
             mWordViews.add(word);
             final View divider = inflater.inflate(R.layout.suggestion_divider, null);
-            divider.setOnClickListener(this);
             mDividerViews.add(divider);
             final TextView info = new TextView(context, null, R.attr.suggestionWordStyle);
             info.setTextColor(Color.WHITE);
@@ -429,6 +428,8 @@
 
     @Override
     public void onClick(final View view) {
+        AudioAndHapticFeedbackManager.getInstance().performHapticAndAudioFeedback(
+                Constants.CODE_UNSPECIFIED, this);
         if (view == mImportantNoticeStrip) {
             mListener.showImportantNoticeContents();
             return;