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Add initial sample IME code for autofill keyboard.

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* This is just a skeleton IME with a very simple UI, no actual autofill related code is added yet.

Test: manual - build using m -j AutofillKeyboard, and install with adb sync

Change-Id: I8b22532646fc61af9e9c944f8db11ca1702b008f
This commit is contained in:
Feng Cao
2019-11-20 19:46:02 -08:00
parent 955a3f659b
commit 6d191940c2
14 changed files with 636 additions and 0 deletions
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10
samples/AutofillKeyboard/Android.bp Normal file
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android_app {
name: "AutofillKeyboard",
srcs: ["**/*.java"],
min_sdk_version: "29",
target_sdk_version: "30",
sdk_version: "current",
static_libs: [
"androidx.annotation_annotation",
],
}

17
samples/AutofillKeyboard/AndroidManifest.xml Executable file
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<manifest xmlns:android="http://schemas.android.com/apk/res/android"
package="com.example.android.autofillkeyboard">
<application
android:icon="@drawable/ic_launcher"
android:label="@string/app_name"
android:theme="@android:style/Theme.Material.Light">
<service
android:name="AutofillImeService"
android:label="@string/app_name"
android:permission="android.permission.BIND_INPUT_METHOD">
<intent-filter>
<action android:name="android.view.InputMethod" />
</intent-filter>
<meta-data android:name="android.view.im" android:resource="@xml/method" />
</service>
</application>
</manifest>

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samples/AutofillKeyboard/res/drawable-hdpi/ic_launcher.png Normal file
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25
samples/AutofillKeyboard/res/layout/input_view.xml Normal file
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<?xml version="1.0" encoding="utf-8"?>
<!--
/*
**
** Copyright 2019, 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.
*/
-->
<com.example.android.autofillkeyboard.InputView
xmlns:android="http://schemas.android.com/apk/res/android"
android:id="@+id/input_view"
android:layout_width="match_parent"
android:layout_height="match_parent"/>

137
samples/AutofillKeyboard/res/layout/keyboard_10_9_9.xml Normal file
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<?xml version="1.0" encoding="utf-8"?>
<!--
/*
**
** Copyright 2019, 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.
*/
-->
<LinearLayout
xmlns:android="http://schemas.android.com/apk/res/android"
style="@style/KeyboardArea">
<View style="@style/KeyboardRow.Header"/>
<LinearLayout style="@style/KeyboardRow">
<TextView
android:id="@+id/key_pos_0_0"
style="@style/SoftKey"/>
<TextView
android:id="@+id/key_pos_0_1"
style="@style/SoftKey"/>
<TextView
android:id="@+id/key_pos_0_2"
style="@style/SoftKey"/>
<TextView
android:id="@+id/key_pos_0_3"
style="@style/SoftKey"/>
<TextView
android:id="@+id/key_pos_0_4"
style="@style/SoftKey"/>
<TextView
android:id="@+id/key_pos_0_5"
style="@style/SoftKey"/>
<TextView
android:id="@+id/key_pos_0_6"
style="@style/SoftKey"/>
<TextView
android:id="@+id/key_pos_0_7"
style="@style/SoftKey"/>
<TextView
android:id="@+id/key_pos_0_8"
style="@style/SoftKey"/>
<TextView
android:id="@+id/key_pos_0_9"
style="@style/SoftKey"/>
</LinearLayout>
<LinearLayout style="@style/KeyboardRow">
<TextView
android:id="@+id/key_pos_1_0"
style="@style/SoftKey"/>
<TextView
android:id="@+id/key_pos_1_1"
style="@style/SoftKey"/>
<TextView
android:id="@+id/key_pos_1_2"
style="@style/SoftKey"/>
<TextView
android:id="@+id/key_pos_1_3"
style="@style/SoftKey"/>
<TextView
android:id="@+id/key_pos_1_4"
style="@style/SoftKey"/>
<TextView
android:id="@+id/key_pos_1_5"
style="@style/SoftKey"/>
<TextView
android:id="@+id/key_pos_1_6"
style="@style/SoftKey"/>
<TextView
android:id="@+id/key_pos_1_7"
style="@style/SoftKey"/>
<TextView
android:id="@+id/key_pos_1_8"
style="@style/SoftKey"/>
</LinearLayout>
<LinearLayout style="@style/KeyboardRow">
<TextView
android:id="@+id/key_pos_shift"
style="@style/SoftKey.Function"/>
<TextView
android:id="@+id/key_pos_2_0"
style="@style/SoftKey"/>
<TextView
android:id="@+id/key_pos_2_1"
style="@style/SoftKey"/>
<TextView
android:id="@+id/key_pos_2_2"
style="@style/SoftKey"/>
<TextView
android:id="@+id/key_pos_2_3"
style="@style/SoftKey"/>
<TextView
android:id="@+id/key_pos_2_4"
style="@style/SoftKey"/>
<TextView
android:id="@+id/key_pos_2_5"
style="@style/SoftKey"/>
<TextView
android:id="@+id/key_pos_2_6"
style="@style/SoftKey"/>
<TextView
android:id="@+id/key_pos_del"
style="@style/SoftKey.Function"/>
</LinearLayout>
<LinearLayout style="@style/KeyboardRow">
<TextView
android:id="@+id/key_pos_symbol"
style="@style/SoftKey.Function.Text"/>
<TextView
android:id="@+id/key_pos_bottom_0"
style="@style/SoftKey"/>
<TextView
android:id="@+id/key_pos_space"
style="@style/SoftKey.Space"/>
<TextView
android:id="@+id/key_pos_bottom_1"
style="@style/SoftKey"/>
<TextView
android:id="@+id/key_pos_enter"
style="@style/SoftKey.Function"/>
</LinearLayout>
</LinearLayout>

24
samples/AutofillKeyboard/res/values-sw400dp/dimens.xml Normal file
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<?xml version="1.0" encoding="utf-8"?>
<!--
/*
**
** Copyright 2019, 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.
*/
-->
<resources>
<dimen name="keyboard_header_height">42dp</dimen>
<dimen name="keyboard_row_height">60dp</dimen>
</resources>

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samples/AutofillKeyboard/res/values/dimens.xml Normal file
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<?xml version="1.0" encoding="utf-8"?>
<!--
/*
**
** Copyright 2019, 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.
*/
-->
<resources>
<dimen name="text_size_normal">24dp</dimen>
<dimen name="text_size_symbol">14dp</dimen>
<dimen name="keyboard_header_height">41dp</dimen>
<dimen name="keyboard_row_height">48dp</dimen>
</resources>

23
samples/AutofillKeyboard/res/values/strings.xml Normal file
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<?xml version="1.0" encoding="utf-8"?>
<!--
/*
**
** Copyright 2019, 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.
*/
-->
<resources>
<string name="app_name">Autofill-Keyboard</string>
</resources>

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samples/AutofillKeyboard/res/values/styles.xml Normal file
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<?xml version="1.0" encoding="utf-8"?>
<!--
/*
**
** Copyright 2019, 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.
*/
-->
<resources>
<style name="KeyboardArea">
<item name="android:layout_width">match_parent</item>
<item name="android:layout_height">wrap_content</item>
<item name="android:layout_gravity">bottom</item>
<item name="android:orientation">vertical</item>
<item name="android:background">#FFFFFFFF</item>
</style>
<style name="KeyboardRow">
<item name="android:layout_width">match_parent</item>
<item name="android:layout_height">@dimen/keyboard_row_height</item>
<item name="android:orientation">horizontal</item>
</style>
<style name="KeyboardRow.Header">
<item name="android:layout_height">@dimen/keyboard_header_height</item>
<item name="android:background">#FFEEEEEE</item>
</style>
<style name="SoftKey">
<item name="android:layout_width">0dp</item>
<item name="android:layout_height">match_parent</item>
<item name="android:layout_weight">1</item>
<item name="android:gravity">center</item>
<item name="android:textColor">#FF000000</item>
<item name="android:textSize">@dimen/text_size_normal</item>
</style>
<style name="SoftKey.Function">
<item name="android:textColor">#FF333333</item>
</style>
<style name="SoftKey.Function.Text">
<item name="android:textColor">#FF333333</item>
<item name="android:textSize">@dimen/text_size_symbol</item>
</style>
<style name="SoftKey.Space">
<item name="android:layout_weight">5</item>
<item name="android:textColor">#FF333333</item>
</style>
</resources>

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samples/AutofillKeyboard/res/xml/method.xml Normal file
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<?xml version="1.0" encoding="utf-8"?>
<!--
/*
**
** Copyright 2019, 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.
*/
-->
<input-method xmlns:android="http://schemas.android.com/apk/res/android">
<subtype
android:label="AutofillKeyboard"
android:imeSubtypeLocale="en_US"
android:imeSubtypeMode="keyboard"/>
</input-method>

62
samples/AutofillKeyboard/src/com/example/android/autofillkeyboard/AutofillImeService.java Normal file
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/*
* Copyright (C) 2019 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.example.android.autofillkeyboard;
import android.inputmethodservice.InputMethodService;
import android.view.LayoutInflater;
import android.view.View;
import android.view.inputmethod.EditorInfo;
/** The {@link InputMethodService} implementation for Autofill keyboard. */
public class AutofillImeService extends InputMethodService {
private InputView mInputView;
private Decoder mDecoder;
@Override
public View onCreateInputView() {
mInputView = (InputView) LayoutInflater.from(this).inflate(R.layout.input_view, null);
return mInputView;
}
@Override
public void onStartInput(EditorInfo attribute, boolean restarting) {
super.onStartInput(attribute, restarting);
mDecoder = new Decoder(getCurrentInputConnection());
}
@Override
public void onStartInputView(EditorInfo info, boolean restarting) {
super.onStartInputView(info, restarting);
mInputView.removeAllViews();
Keyboard keyboard = Keyboard.qwerty(this);
mInputView.addView(keyboard.inflateKeyboardView(LayoutInflater.from(this), mInputView));
}
@Override
public void onComputeInsets(Insets outInsets) {
super.onComputeInsets(outInsets);
if (mInputView != null) {
outInsets.contentTopInsets += mInputView.getTopInsets();
}
outInsets.touchableInsets = Insets.TOUCHABLE_INSETS_CONTENT;
}
void handle(String data) {
mDecoder.decode(data);
}
}

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samples/AutofillKeyboard/src/com/example/android/autofillkeyboard/Decoder.java Normal file
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/*
* Copyright (C) 2019 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.example.android.autofillkeyboard;
import android.view.KeyEvent;
import android.view.inputmethod.InputConnection;
/** Decodes key data and applies changes to {@link InputConnection}. */
final class Decoder {
private final InputConnection mInputConnection;
Decoder(InputConnection inputConnection) {
this.mInputConnection = inputConnection;
}
void decode(String data) {
if ("DEL".equals(data)) {
mInputConnection.sendKeyEvent(new KeyEvent(KeyEvent.ACTION_DOWN, KeyEvent.KEYCODE_DEL));
} else if ("ENT".equals(data)) {
mInputConnection.sendKeyEvent(
new KeyEvent(KeyEvent.ACTION_DOWN, KeyEvent.KEYCODE_ENTER));
} else if ("SPA".equals(data)) {
mInputConnection.sendKeyEvent(
new KeyEvent(KeyEvent.ACTION_DOWN, KeyEvent.KEYCODE_SPACE));
} else {
mInputConnection.commitText(data, 1);
}
}
}

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samples/AutofillKeyboard/src/com/example/android/autofillkeyboard/InputView.java Normal file
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/*
* Copyright (C) 2019 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.example.android.autofillkeyboard;
import android.content.Context;
import android.util.AttributeSet;
import android.widget.FrameLayout;
/** The root view for the Input Method. */
public final class InputView extends FrameLayout {
// If true, this InputView will simulate Gboard's InputView behavior, which expands its
// region to the entire window regardless of its content view's size.
private static final boolean EXPAND_TO_WINDOW = false;
private int mRealHeight;
public InputView(Context context, AttributeSet attrs) {
super(context, attrs);
}
@Override
public void onMeasure(int widthMeasureSpec, int heightMeasureSpec) {
super.onMeasure(widthMeasureSpec, heightMeasureSpec);
mRealHeight = getMeasuredHeight();
if (EXPAND_TO_WINDOW && MeasureSpec.getMode(heightMeasureSpec) == MeasureSpec.AT_MOST) {
setMeasuredDimension(getMeasuredWidth(), MeasureSpec.getSize(heightMeasureSpec));
}
}
int getTopInsets() {
return getMeasuredHeight() - mRealHeight;
}
}

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samples/AutofillKeyboard/src/com/example/android/autofillkeyboard/Keyboard.java Normal file
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/*
* Copyright (C) 2019 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.example.android.autofillkeyboard;
import android.util.SparseArray;
import android.view.LayoutInflater;
import android.view.View;
import android.widget.TextView;
/** Controls the visible virtual keyboard view. */
final class Keyboard {
private static final int NUM_STATES = 4;
private static final int STATE_SHIFT = 1;
private static final int STATE_SYMBOL = 2;
private final AutofillImeService mAutofillImeService;
private final int mViewResId;
private final SparseArray<String> mKeyMapping;
private View mKeyboardView;
private int mState;
private Keyboard(AutofillImeService autofillImeService, int viewResId,
SparseArray<String> keyMapping) {
this.mAutofillImeService = autofillImeService;
this.mViewResId = viewResId;
this.mKeyMapping = keyMapping;
this.mState = 0;
}
private static String getLabel(String data) {
if ("SHI".equals(data)) {
return "↑";
} else if ("DEL".equals(data)) {
return "←";
} else if ("SYM".equals(data)) {
return "?123";
} else if ("SPA".equals(data)) {
return "[ ]";
} else if ("ENT".equals(data)) {
return "↩";
} else {
return data;
}
}
static Keyboard qwerty(AutofillImeService autofillImeService) {
SparseArray<String> keyMapping = new SparseArray<>();
keyMapping.put(R.id.key_pos_0_0, "qQ1\u007E");
keyMapping.put(R.id.key_pos_0_1, "wW2\u0060");
keyMapping.put(R.id.key_pos_0_2, "eE3\u007C");
keyMapping.put(R.id.key_pos_0_3, "rR4\u2022");
keyMapping.put(R.id.key_pos_0_4, "tT5\u221A");
keyMapping.put(R.id.key_pos_0_5, "yY6\u03C0");
keyMapping.put(R.id.key_pos_0_6, "uU7\u00F7");
keyMapping.put(R.id.key_pos_0_7, "iI8\u00D7");
keyMapping.put(R.id.key_pos_0_8, "oO9\u00B6");
keyMapping.put(R.id.key_pos_0_9, "pP0\u2206");
keyMapping.put(R.id.key_pos_1_0, "aA@\u00A3");
keyMapping.put(R.id.key_pos_1_1, "sS#\u00A2");
keyMapping.put(R.id.key_pos_1_2, "dD$\u20AC");
keyMapping.put(R.id.key_pos_1_3, "fF_\u00A5");
keyMapping.put(R.id.key_pos_1_4, "gG&\u005E");
keyMapping.put(R.id.key_pos_1_5, "hH-=");
keyMapping.put(R.id.key_pos_1_6, "jJ+{");
keyMapping.put(R.id.key_pos_1_7, "kK(}");
keyMapping.put(R.id.key_pos_1_8, "lL)\\");
keyMapping.put(R.id.key_pos_2_0, "zZ*%");
keyMapping.put(R.id.key_pos_2_1, "xX\"\u00A9");
keyMapping.put(R.id.key_pos_2_2, "cC'\u00AE");
keyMapping.put(R.id.key_pos_2_3, "vV:\u2122");
keyMapping.put(R.id.key_pos_2_4, "bB;\u2713");
keyMapping.put(R.id.key_pos_2_5, "nN![");
keyMapping.put(R.id.key_pos_2_6, "mM?]");
keyMapping.put(R.id.key_pos_bottom_0, ",,,<");
keyMapping.put(R.id.key_pos_bottom_1, "...>");
keyMapping.put(R.id.key_pos_shift, "SHI");
keyMapping.put(R.id.key_pos_del, "DEL");
keyMapping.put(R.id.key_pos_symbol, "SYM");
keyMapping.put(R.id.key_pos_space, "SPA");
keyMapping.put(R.id.key_pos_enter, "ENT");
return new Keyboard(autofillImeService, R.layout.keyboard_10_9_9, keyMapping);
}
View inflateKeyboardView(LayoutInflater inflater, InputView inputView) {
mKeyboardView = inflater.inflate(mViewResId, inputView, false);
mapKeys();
return mKeyboardView;
}
private void mapKeys() {
for (int i = 0; i < mKeyMapping.size(); i++) {
TextView softkey = mKeyboardView.findViewById(mKeyMapping.keyAt(i));
String rawData = mKeyMapping.valueAt(i);
String data = rawData.length() != NUM_STATES ? rawData : rawData.substring(mState,
mState + 1);
softkey.setText(getLabel(data));
softkey.setOnClickListener(v -> handle(data));
}
}
private void handle(String data) {
if ("SHI".equals(data)) {
// Toggle STATE_SHIFT.
mState = mState ^ STATE_SHIFT;
mapKeys();
} else if ("SYM".equals(data)) {
// Toggle STATE_SYMBOL and clear STATE_SHIFT.
mState = (mState ^ STATE_SYMBOL) & ~STATE_SHIFT;
mapKeys();
} else {
mAutofillImeService.handle(data);
}
}
}