Don't send touch coordinates if proximity characters correction is disabled

Bug: 6225317
Change-Id: I4fa65e020d838f53066d4a071f58fb6f40583e0b

java/res/values/attrs.xml

@@ -424,5 +424,7 @@
             <enum name="number" value="9"  />
         </attr>
         <attr name="elementKeyboard" format="reference"/>
+        <!-- Enable proximity characters correction. Disabled by default. -->
+        <attr name="enableProximityCharsCorrection" format="boolean" />
     </declare-styleable>
 </resources>

java/res/xml-ar/keyboard_set.xml

@@ -23,7 +23,8 @@
     latin:keyboardLocale="ar" >
     <Element
         latin:elementName="alphabet"
-        latin:elementKeyboard="@xml/kbd_arabic" />
+        latin:elementKeyboard="@xml/kbd_arabic"
+        latin:enableProximityCharsCorrection="true" />
     <Element
         latin:elementName="symbols"
         latin:elementKeyboard="@xml/kbd_symbols" />

java/res/xml-be/keyboard_set.xml

@@ -23,7 +23,8 @@
     latin:keyboardLocale="be">
     <Element
         latin:elementName="alphabet"
-        latin:elementKeyboard="@xml/kbd_east_slavic" />
+        latin:elementKeyboard="@xml/kbd_east_slavic"
+        latin:enableProximityCharsCorrection="true" />
     <Element
         latin:elementName="symbols"
         latin:elementKeyboard="@xml/kbd_symbols" />

java/res/xml-bg/keyboard_set.xml

@@ -23,7 +23,8 @@
     latin:keyboardLocale="bg">
     <Element
         latin:elementName="alphabet"
-        latin:elementKeyboard="@xml/kbd_bulgarian" />
+        latin:elementKeyboard="@xml/kbd_bulgarian"
+        latin:enableProximityCharsCorrection="true" />
     <Element
         latin:elementName="symbols"
         latin:elementKeyboard="@xml/kbd_symbols" />

java/res/xml-cs/keyboard_set.xml

@@ -23,7 +23,8 @@
     latin:keyboardLocale="cs">
     <Element
         latin:elementName="alphabet"
-        latin:elementKeyboard="@xml/kbd_qwertz" />
+        latin:elementKeyboard="@xml/kbd_qwertz"
+        latin:enableProximityCharsCorrection="true" />
     <Element
         latin:elementName="symbols"
         latin:elementKeyboard="@xml/kbd_symbols" />

java/res/xml-da/keyboard_set.xml

@@ -23,7 +23,8 @@
     latin:keyboardLocale="da">
     <Element
         latin:elementName="alphabet"
-        latin:elementKeyboard="@xml/kbd_nordic" />
+        latin:elementKeyboard="@xml/kbd_nordic"
+        latin:enableProximityCharsCorrection="true" />
     <Element
         latin:elementName="symbols"
         latin:elementKeyboard="@xml/kbd_symbols" />

java/res/xml-de-rZZ/keyboard_set.xml

@@ -23,7 +23,8 @@
     latin:keyboardLocale="de">
     <Element
         latin:elementName="alphabet"
-        latin:elementKeyboard="@xml/kbd_qwerty" />
+        latin:elementKeyboard="@xml/kbd_qwerty"
+        latin:enableProximityCharsCorrection="true" />
     <Element
         latin:elementName="symbols"
         latin:elementKeyboard="@xml/kbd_symbols" />

java/res/xml-de/keyboard_set.xml

@@ -23,7 +23,8 @@
     latin:keyboardLocale="de">
     <Element
         latin:elementName="alphabet"
-        latin:elementKeyboard="@xml/kbd_qwertz" />
+        latin:elementKeyboard="@xml/kbd_qwertz"
+        latin:enableProximityCharsCorrection="true" />
     <Element
         latin:elementName="symbols"
         latin:elementKeyboard="@xml/kbd_symbols" />

java/res/xml-el/keyboard_set.xml

@@ -23,7 +23,8 @@
     latin:keyboardLocale="el">
     <Element
         latin:elementName="alphabet"
-        latin:elementKeyboard="@xml/kbd_greek" />
+        latin:elementKeyboard="@xml/kbd_greek"
+        latin:enableProximityCharsCorrection="true" />
     <Element
         latin:elementName="symbols"
         latin:elementKeyboard="@xml/kbd_symbols" />

java/res/xml-es/keyboard_set.xml

@@ -23,7 +23,8 @@
     latin:keyboardLocale="es,es_US">
     <Element
         latin:elementName="alphabet"
-        latin:elementKeyboard="@xml/kbd_spanish" />
+        latin:elementKeyboard="@xml/kbd_spanish"
+        latin:enableProximityCharsCorrection="true" />
     <Element
         latin:elementName="symbols"
         latin:elementKeyboard="@xml/kbd_spanish_symbols" />

java/res/xml-et/keyboard_set.xml

@@ -23,7 +23,8 @@
     latin:keyboardLocale="et">
     <Element
         latin:elementName="alphabet"
-        latin:elementKeyboard="@xml/kbd_nordic" />
+        latin:elementKeyboard="@xml/kbd_nordic"
+        latin:enableProximityCharsCorrection="true" />
     <Element
         latin:elementName="symbols"
         latin:elementKeyboard="@xml/kbd_symbols" />

java/res/xml-fa/keyboard_set.xml

@@ -23,7 +23,8 @@
     latin:keyboardLocale="fa" >
     <Element
         latin:elementName="alphabet"
-        latin:elementKeyboard="@xml/kbd_farsi" />
+        latin:elementKeyboard="@xml/kbd_farsi"
+        latin:enableProximityCharsCorrection="true" />
     <Element
         latin:elementName="symbols"
         latin:elementKeyboard="@xml/kbd_symbols" />

java/res/xml-fi/keyboard_set.xml

@@ -23,7 +23,8 @@
     latin:keyboardLocale="fi">
     <Element
         latin:elementName="alphabet"
-        latin:elementKeyboard="@xml/kbd_nordic" />
+        latin:elementKeyboard="@xml/kbd_nordic"
+        latin:enableProximityCharsCorrection="true" />
     <Element
         latin:elementName="symbols"
         latin:elementKeyboard="@xml/kbd_symbols" />

java/res/xml-fr-rCA/keyboard_set.xml

@@ -23,7 +23,8 @@
     latin:keyboardLocale="fr_CA">
     <Element
         latin:elementName="alphabet"
-        latin:elementKeyboard="@xml/kbd_qwerty" />
+        latin:elementKeyboard="@xml/kbd_qwerty"
+        latin:enableProximityCharsCorrection="true" />
     <Element
         latin:elementName="symbols"
         latin:elementKeyboard="@xml/kbd_symbols" />

java/res/xml-fr-rCH/keyboard_set.xml

@@ -23,7 +23,8 @@
     latin:keyboardLocale="fr_CH">
     <Element
         latin:elementName="alphabet"
-        latin:elementKeyboard="@xml/kbd_qwertz" />
+        latin:elementKeyboard="@xml/kbd_qwertz"
+        latin:enableProximityCharsCorrection="true" />
     <Element
         latin:elementName="symbols"
         latin:elementKeyboard="@xml/kbd_symbols" />

java/res/xml-fr/keyboard_set.xml

@@ -23,7 +23,8 @@
     latin:keyboardLocale="fr">
     <Element
         latin:elementName="alphabet"
-        latin:elementKeyboard="@xml/kbd_azerty" />
+        latin:elementKeyboard="@xml/kbd_azerty"
+        latin:enableProximityCharsCorrection="true" />
     <Element
         latin:elementName="symbols"
         latin:elementKeyboard="@xml/kbd_azerty_symbols" />

java/res/xml-hi/keyboard_set.xml

@@ -23,6 +23,23 @@
     latin:keyboardLocale="hi">
     <Element
         latin:elementName="alphabet"
+        latin:elementKeyboard="@xml/kbd_hindi"
+        latin:enableProximityCharsCorrection="true" />
+    <Element
+        latin:elementName="alphabetAutomaticShifted"
+        latin:elementKeyboard="@xml/kbd_hindi"
+        latin:enableProximityCharsCorrection="true" />
+    <!-- On these shifted alphabet layouts the proximity characters correction should be disabled
+         because the letters on these layouts aren't the ones in different case of the above
+         unshifted layouts. -->
+    <Element
+        latin:elementName="alphabetManualShifted"
+        latin:elementKeyboard="@xml/kbd_hindi" />
+    <Element
+        latin:elementName="alphabetShiftLocked"
+        latin:elementKeyboard="@xml/kbd_hindi" />
+    <Element
+        latin:elementName="alphabetShiftLockShifted"
         latin:elementKeyboard="@xml/kbd_hindi" />
     <Element
         latin:elementName="symbols"

java/res/xml-hr/keyboard_set.xml

@@ -23,7 +23,8 @@
     latin:keyboardLocale="hr">
     <Element
         latin:elementName="alphabet"
-        latin:elementKeyboard="@xml/kbd_qwertz" />
+        latin:elementKeyboard="@xml/kbd_qwertz"
+        latin:enableProximityCharsCorrection="true" />
     <Element
         latin:elementName="symbols"
         latin:elementKeyboard="@xml/kbd_symbols" />

java/res/xml-hu/keyboard_set.xml

@@ -23,7 +23,8 @@
     latin:keyboardLocale="hu">
     <Element
         latin:elementName="alphabet"
-        latin:elementKeyboard="@xml/kbd_qwertz" />
+        latin:elementKeyboard="@xml/kbd_qwertz"
+        latin:enableProximityCharsCorrection="true" />
     <Element
         latin:elementName="symbols"
         latin:elementKeyboard="@xml/kbd_symbols" />

java/res/xml-is/keyboard_set.xml

@@ -23,7 +23,8 @@
     latin:keyboardLocale="is">
     <Element
         latin:elementName="alphabet"
-        latin:elementKeyboard="@xml/kbd_nordic" />
+        latin:elementKeyboard="@xml/kbd_nordic"
+        latin:enableProximityCharsCorrection="true" />
     <Element
         latin:elementName="symbols"
         latin:elementKeyboard="@xml/kbd_symbols" />

java/res/xml-iw/keyboard_set.xml

@@ -23,7 +23,8 @@
     latin:keyboardLocale="iw">
     <Element
         latin:elementName="alphabet"
-        latin:elementKeyboard="@xml/kbd_hebrew" />
+        latin:elementKeyboard="@xml/kbd_hebrew"
+        latin:enableProximityCharsCorrection="true" />
     <Element
         latin:elementName="symbols"
         latin:elementKeyboard="@xml/kbd_symbols" />

java/res/xml-ka/keyboard_set.xml

@@ -23,6 +23,23 @@
     latin:keyboardLocale="ka">
     <Element
         latin:elementName="alphabet"
+        latin:elementKeyboard="@xml/kbd_georgian"
+        latin:enableProximityCharsCorrection="true" />
+    <Element
+        latin:elementName="alphabetAutomaticShifted"
+        latin:elementKeyboard="@xml/kbd_georgian"
+        latin:enableProximityCharsCorrection="true" />
+    <!-- On these shifted alphabet layouts the proximity characters correction should be disabled
+         because the letters on these layouts aren't the ones in different case of the above
+         unshifted layouts. -->
+    <Element
+        latin:elementName="alphabetManualShifted"
+        latin:elementKeyboard="@xml/kbd_georgian" />
+    <Element
+        latin:elementName="alphabetShiftLocked"
+        latin:elementKeyboard="@xml/kbd_georgian" />
+    <Element
+        latin:elementName="alphabetShiftLockShifted"
         latin:elementKeyboard="@xml/kbd_georgian" />
     <Element
         latin:elementName="symbols"

java/res/xml-ky/keyboard_set.xml

@@ -23,7 +23,8 @@
     latin:keyboardLocale="ky">
     <Element
         latin:elementName="alphabet"
-        latin:elementKeyboard="@xml/kbd_east_slavic" />
+        latin:elementKeyboard="@xml/kbd_east_slavic"
+        latin:enableProximityCharsCorrection="true" />
     <Element
         latin:elementName="symbols"
         latin:elementKeyboard="@xml/kbd_symbols" />

java/res/xml-mk/keyboard_set.xml

@@ -23,7 +23,8 @@
     latin:keyboardLocale="mk">
     <Element
         latin:elementName="alphabet"
-        latin:elementKeyboard="@xml/kbd_south_slavic" />
+        latin:elementKeyboard="@xml/kbd_south_slavic"
+        latin:enableProximityCharsCorrection="true" />
     <Element
         latin:elementName="symbols"
         latin:elementKeyboard="@xml/kbd_symbols" />

java/res/xml-nb/keyboard_set.xml

@@ -23,7 +23,8 @@
     latin:keyboardLocale="nb">
     <Element
         latin:elementName="alphabet"
-        latin:elementKeyboard="@xml/kbd_nordic" />
+        latin:elementKeyboard="@xml/kbd_nordic"
+        latin:enableProximityCharsCorrection="true" />
     <Element
         latin:elementName="symbols"
         latin:elementKeyboard="@xml/kbd_symbols" />

java/res/xml-pl/keyboard_set.xml

@@ -23,7 +23,8 @@
     latin:keyboardLocale="pl">
     <Element
         latin:elementName="alphabet"
-        latin:elementKeyboard="@xml/kbd_qwerty" />
+        latin:elementKeyboard="@xml/kbd_qwerty"
+        latin:enableProximityCharsCorrection="true" />
     <Element
         latin:elementName="symbols"
         latin:elementKeyboard="@xml/kbd_symbols" />

java/res/xml-pt/keyboard_set.xml

@@ -23,7 +23,8 @@
     latin:keyboardLocale="pt">
     <Element
         latin:elementName="alphabet"
-        latin:elementKeyboard="@xml/kbd_qwerty" />
+        latin:elementKeyboard="@xml/kbd_qwerty"
+        latin:enableProximityCharsCorrection="true" />
     <Element
         latin:elementName="symbols"
         latin:elementKeyboard="@xml/kbd_symbols" />

java/res/xml-ro/keyboard_set.xml

@@ -23,7 +23,8 @@
     latin:keyboardLocale="ro">
     <Element
         latin:elementName="alphabet"
-        latin:elementKeyboard="@xml/kbd_qwerty" />
+        latin:elementKeyboard="@xml/kbd_qwerty"
+        latin:enableProximityCharsCorrection="true" />
     <Element
         latin:elementName="symbols"
         latin:elementKeyboard="@xml/kbd_symbols" />

java/res/xml-ru/keyboard_set.xml

@@ -23,7 +23,8 @@
     latin:keyboardLocale="ru">
     <Element
         latin:elementName="alphabet"
-        latin:elementKeyboard="@xml/kbd_east_slavic" />
+        latin:elementKeyboard="@xml/kbd_east_slavic"
+        latin:enableProximityCharsCorrection="true" />
     <Element
         latin:elementName="symbols"
         latin:elementKeyboard="@xml/kbd_symbols" />

java/res/xml-sk/keyboard_set.xml

@@ -23,7 +23,8 @@
     latin:keyboardLocale="sk">
     <Element
         latin:elementName="alphabet"
-        latin:elementKeyboard="@xml/kbd_qwerty" />
+        latin:elementKeyboard="@xml/kbd_qwerty"
+        latin:enableProximityCharsCorrection="true" />
     <Element
         latin:elementName="symbols"
         latin:elementKeyboard="@xml/kbd_symbols" />

java/res/xml-sl/keyboard_set.xml

@@ -23,7 +23,8 @@
     latin:keyboardLocale="sl">
     <Element
         latin:elementName="alphabet"
-        latin:elementKeyboard="@xml/kbd_qwerty" />
+        latin:elementKeyboard="@xml/kbd_qwerty"
+        latin:enableProximityCharsCorrection="true" />
     <Element
         latin:elementName="symbols"
         latin:elementKeyboard="@xml/kbd_symbols" />

java/res/xml-sr/keyboard_set.xml

@@ -23,7 +23,8 @@
     latin:keyboardLocale="sr">
     <Element
         latin:elementName="alphabet"
-        latin:elementKeyboard="@xml/kbd_south_slavic" />
+        latin:elementKeyboard="@xml/kbd_south_slavic"
+        latin:enableProximityCharsCorrection="true" />
     <Element
         latin:elementName="symbols"
         latin:elementKeyboard="@xml/kbd_symbols" />

java/res/xml-sv/keyboard_set.xml

@@ -23,7 +23,8 @@
     latin:keyboardLocale="sv">
     <Element
         latin:elementName="alphabet"
-        latin:elementKeyboard="@xml/kbd_nordic" />
+        latin:elementKeyboard="@xml/kbd_nordic"
+        latin:enableProximityCharsCorrection="true" />
     <Element
         latin:elementName="symbols"
         latin:elementKeyboard="@xml/kbd_symbols" />

java/res/xml-th/keyboard_set.xml

@@ -23,6 +23,23 @@
     latin:keyboardLocale="th">
     <Element
         latin:elementName="alphabet"
+        latin:elementKeyboard="@xml/kbd_thai"
+        latin:enableProximityCharsCorrection="true" />
+    <Element
+        latin:elementName="alphabetAutomaticShifted"
+        latin:elementKeyboard="@xml/kbd_thai"
+        latin:enableProximityCharsCorrection="true" />
+    <!-- On these shifted alphabet layouts the proximity characters correction should be disabled
+         because the letters on these layouts aren't the ones in different case of the above
+         unshifted layouts. -->
+    <Element
+        latin:elementName="alphabetManualShifted"
+        latin:elementKeyboard="@xml/kbd_thai" />
+    <Element
+        latin:elementName="alphabetShiftLocked"
+        latin:elementKeyboard="@xml/kbd_thai" />
+    <Element
+        latin:elementName="alphabetShiftLockShifted"
         latin:elementKeyboard="@xml/kbd_thai" />
     <Element
         latin:elementName="symbols"

java/res/xml-tr/keyboard_set.xml

@@ -23,7 +23,8 @@
     latin:keyboardLocale="tr">
     <Element
         latin:elementName="alphabet"
-        latin:elementKeyboard="@xml/kbd_qwerty" />
+        latin:elementKeyboard="@xml/kbd_qwerty"
+        latin:enableProximityCharsCorrection="true" />
     <Element
         latin:elementName="symbols"
         latin:elementKeyboard="@xml/kbd_symbols" />

java/res/xml-uk/keyboard_set.xml

@@ -23,7 +23,8 @@
     latin:keyboardLocale="uk">
     <Element
         latin:elementName="alphabet"
-        latin:elementKeyboard="@xml/kbd_east_slavic" />
+        latin:elementKeyboard="@xml/kbd_east_slavic"
+        latin:enableProximityCharsCorrection="true" />
     <Element
         latin:elementName="symbols"
         latin:elementKeyboard="@xml/kbd_symbols" />

java/res/xml-vi/keyboard_set.xml

@@ -23,7 +23,8 @@
     latin:keyboardLocale="vi">
     <Element
         latin:elementName="alphabet"
-        latin:elementKeyboard="@xml/kbd_qwerty" />
+        latin:elementKeyboard="@xml/kbd_qwerty"
+        latin:enableProximityCharsCorrection="true" />
     <Element
         latin:elementName="symbols"
         latin:elementKeyboard="@xml/kbd_symbols" />

java/res/xml/keyboard_set.xml

@@ -23,7 +23,8 @@
     latin:keyboardLocale="en_GB,en_US">
     <Element
         latin:elementName="alphabet"
-        latin:elementKeyboard="@xml/kbd_qwerty" />
+        latin:elementKeyboard="@xml/kbd_qwerty"
+        latin:enableProximityCharsCorrection="true" />
     <Element
         latin:elementName="symbols"
         latin:elementKeyboard="@xml/kbd_symbols" />

java/src/com/android/inputmethod/keyboard/Keyboard.java

@@ -130,6 +130,7 @@ public class Keyboard {
     private final HashMap<Integer, Key> mKeyCache = new HashMap<Integer, Key>();
 
     private final ProximityInfo mProximityInfo;
+    private final boolean mProximityCharsCorrectionEnabled;
 
     public Keyboard(Params params) {
         mId = params.mId;
@@ -153,6 +154,19 @@ public class Keyboard {
         mProximityInfo = new ProximityInfo(params.mId.mLocale.toString(),
                 params.GRID_WIDTH, params.GRID_HEIGHT, mOccupiedWidth, mOccupiedHeight,
                 mMostCommonKeyWidth, mMostCommonKeyHeight, mKeys, params.mTouchPositionCorrection);
+        mProximityCharsCorrectionEnabled = params.mProximityCharsCorrectionEnabled;
+    }
+
+    public boolean hasProximityCharsCorrection(int code) {
+        if (!mProximityCharsCorrectionEnabled) {
+            return false;
+        }
+        // Note: The native code has the main keyboard layout only at this moment.
+        // TODO: Figure out how to handle proximity characters information of all layouts.
+        final boolean canAssumeNativeHasProximityCharsInfoOfAllKeys = (
+                mId.mElementId == KeyboardId.ELEMENT_ALPHABET
+                || mId.mElementId == KeyboardId.ELEMENT_ALPHABET_AUTOMATIC_SHIFTED);
+        return canAssumeNativeHasProximityCharsInfoOfAllKeys || Character.isLetter(code);
     }
 
     public ProximityInfo getProximityInfo() {
@@ -230,6 +244,8 @@ public class Keyboard {
         public int mMostCommonKeyHeight = 0;
         public int mMostCommonKeyWidth = 0;
 
+        public boolean mProximityCharsCorrectionEnabled;
+
         public final TouchPositionCorrection mTouchPositionCorrection =
                 new TouchPositionCorrection();
 
@@ -647,6 +663,10 @@ public class Keyboard {
             mParams.mTouchPositionCorrection.setEnabled(enabled);
         }
 
+        public void setProximityCharsCorrectionEnabled(boolean enabled) {
+            mParams.mProximityCharsCorrectionEnabled = enabled;
+        }
+
         public Keyboard build() {
             return new Keyboard(mParams);
         }
@@ -753,9 +773,9 @@ public class Keyboard {
                 params.mMaxMoreKeysKeyboardColumn = keyAttr.getInt(
                         R.styleable.Keyboard_Key_maxMoreKeysColumn, 5);
 
+                params.mThemeId = keyboardAttr.getInt(R.styleable.Keyboard_themeId, 0);
                 params.mIconsSet.loadIcons(keyboardAttr);
 
-                params.mThemeId = keyboardAttr.getInt(R.styleable.Keyboard_themeId, 0);
                 final int resourceId = keyboardAttr.getResourceId(
                         R.styleable.Keyboard_touchPositionCorrectionData, 0);
                 params.mTouchPositionCorrection.setEnabled(resourceId != 0);

java/src/com/android/inputmethod/keyboard/KeyboardSet.java

@@ -28,6 +28,7 @@ import android.view.inputmethod.EditorInfo;
 
 import com.android.inputmethod.compat.EditorInfoCompatUtils;
 import com.android.inputmethod.compat.InputTypeCompatUtils;
+import com.android.inputmethod.keyboard.KeyboardSet.Params.ElementParams;
 import com.android.inputmethod.latin.LatinIME;
 import com.android.inputmethod.latin.LatinImeLogger;
 import com.android.inputmethod.latin.LocaleUtils;
@@ -53,7 +54,7 @@ public class KeyboardSet {
     private static final String TAG = KeyboardSet.class.getSimpleName();
     private static final boolean DEBUG_CACHE = LatinImeLogger.sDBG;
 
-    private static final String TAG_KEYBOARD_SET = TAG;
+    private static final String TAG_KEYBOARD_SET = "KeyboardSet";
     private static final String TAG_ELEMENT = "Element";
 
     private final Context mContext;
@@ -104,10 +105,14 @@ public class KeyboardSet {
         Locale mLocale;
         int mOrientation;
         int mWidth;
-        // KeyboardSet element id to keyboard layout XML id map.
+        // KeyboardSet element id to element's parameters map.
-        final HashMap<Integer, Integer> mKeyboardSetElementIdToXmlIdMap =
+        final HashMap<Integer, ElementParams> mKeyboardSetElementIdToParamsMap =
-                new HashMap<Integer, Integer>();
+                new HashMap<Integer, ElementParams>();
-        Params() {}
+
+        static class ElementParams {
+            int mKeyboardXmlId;
+            boolean mProximityCharsCorrectionEnabled;
+        }
     }
 
     public static void clearKeyboardCache() {
@@ -141,20 +146,21 @@ public class KeyboardSet {
             break;
         }
 
-        Integer keyboardXmlId = mParams.mKeyboardSetElementIdToXmlIdMap.get(keyboardSetElementId);
+        ElementParams elementParams = mParams.mKeyboardSetElementIdToParamsMap.get(
-        if (keyboardXmlId == null) {
+                keyboardSetElementId);
-            keyboardXmlId = mParams.mKeyboardSetElementIdToXmlIdMap.get(
+        if (elementParams == null) {
+            elementParams = mParams.mKeyboardSetElementIdToParamsMap.get(
                     KeyboardId.ELEMENT_ALPHABET);
         }
         final KeyboardId id = getKeyboardId(keyboardSetElementId);
         try {
-            return getKeyboard(mContext, keyboardXmlId, id);
+            return getKeyboard(mContext, elementParams, id);
         } catch (RuntimeException e) {
             throw new KeyboardSetException(e, id);
         }
     }
 
-    private Keyboard getKeyboard(Context context, int keyboardXmlId, KeyboardId id) {
+    private Keyboard getKeyboard(Context context, ElementParams elementParams, KeyboardId id) {
         final Resources res = context.getResources();
         final SoftReference<Keyboard> ref = sKeyboardCache.get(id);
         Keyboard keyboard = (ref == null) ? null : ref.get();
@@ -166,8 +172,10 @@ public class KeyboardSet {
                 if (id.isAlphabetKeyboard()) {
                     builder.setAutoGenerate(sKeysCache);
                 }
-                builder.load(keyboardXmlId, id);
+                builder.load(elementParams.mKeyboardXmlId, id);
                 builder.setTouchPositionCorrectionEnabled(mParams.mTouchPositionCorrectionEnabled);
+                builder.setProximityCharsCorrectionEnabled(
+                        elementParams.mProximityCharsCorrectionEnabled);
                 keyboard = builder.build();
             } finally {
                 LocaleUtils.setSystemLocale(res, savedLocale);
@@ -331,11 +339,14 @@ public class KeyboardSet {
                         TAG_ELEMENT, parser);
                 XmlParseUtils.checkEndTag(TAG_ELEMENT, parser);
 
+                final ElementParams elementParams = new ElementParams();
                 final int elementName = a.getInt(
                         R.styleable.KeyboardSet_Element_elementName, 0);
-                final int elementKeyboard = a.getResourceId(
+                elementParams.mKeyboardXmlId = a.getResourceId(
                         R.styleable.KeyboardSet_Element_elementKeyboard, 0);
-                mParams.mKeyboardSetElementIdToXmlIdMap.put(elementName, elementKeyboard);
+                elementParams.mProximityCharsCorrectionEnabled = a.getBoolean(
+                        R.styleable.KeyboardSet_Element_enableProximityCharsCorrection, false);
+                mParams.mKeyboardSetElementIdToParamsMap.put(elementName, elementParams);
             } finally {
                 a.recycle();
             }

java/src/com/android/inputmethod/keyboard/MoreKeysKeyboardView.java

@@ -47,7 +47,9 @@ public class MoreKeysKeyboardView extends KeyboardView implements MoreKeysPanel
             new KeyboardActionListener.Adapter() {
         @Override
         public void onCodeInput(int primaryCode, int x, int y) {
-            mListener.onCodeInput(primaryCode, x, 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);
         }
 
         @Override

java/src/com/android/inputmethod/latin/LatinIME.java

@@ -1318,7 +1318,13 @@ public class LatinIME extends InputMethodServiceCompatWrapper implements Keyboar
             if (mSettingsValues.isWordSeparator(primaryCode)) {
                 didAutoCorrect = handleSeparator(primaryCode, x, y, spaceState);
             } else {
-                handleCharacter(primaryCode, x, y, spaceState);
+                final Keyboard keyboard = mKeyboardSwitcher.getKeyboard();
+                if (keyboard != null && keyboard.hasProximityCharsCorrection(primaryCode)) {
+                    handleCharacter(primaryCode, x, y, spaceState);
+                } else {
+                    handleCharacter(primaryCode, NOT_A_TOUCH_COORDINATE, NOT_A_TOUCH_COORDINATE,
+                            spaceState);
+                }
             }
             mExpectingUpdateSelection = true;
             mShouldSwitchToLastSubtype = true;