Added new setting for gestures.
Added a new entry to the top level Settings' Device section to
enable/disable gestures.
Bug: 28565958
Change-Id: Icf642b6a3058c692fb2be9914579996598f03b7d
diff --git a/AndroidManifest.xml b/AndroidManifest.xml
index 8b9f368..3f9978c 100644
--- a/AndroidManifest.xml
+++ b/AndroidManifest.xml
@@ -2925,6 +2925,24 @@
android:value="com.android.settings.deletionhelper.DeletionHelperFragment" />
</activity>
+ <!-- activity for gesture settings -->
+ <activity android:name="Settings$GestureSettingsActivity"
+ android:label="@string/gesture_preference_title"
+ android:icon="@drawable/ic_settings_gestures"
+ android:taskAffinity="">
+ <intent-filter>
+ <action android:name="android.intent.action.MAIN" />
+ <category android:name="com.android.settings.SHORTCUT" />
+ </intent-filter>
+ <intent-filter>
+ <action android:name="com.android.settings.action.SETTINGS" />
+ </intent-filter>
+ <meta-data android:name="com.android.settings.category"
+ android:value="com.android.settings.category.device" />
+ <meta-data android:name="com.android.settings.FRAGMENT_CLASS"
+ android:value="com.android.settings.gestures.GestureSettings" />
+ </activity>
+
<service
android:name=".SettingsDumpService"
android:exported="true"
diff --git a/res/drawable/ic_settings_gestures.xml b/res/drawable/ic_settings_gestures.xml
new file mode 100644
index 0000000..9537bed
--- /dev/null
+++ b/res/drawable/ic_settings_gestures.xml
@@ -0,0 +1,25 @@
+<!--
+ Copyright (C) 2016 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.
+-->
+<vector xmlns:android="http://schemas.android.com/apk/res/android"
+ android:width="24dp"
+ android:height="24dp"
+ android:viewportWidth="24.0"
+ android:viewportHeight="24.0"
+ android:tint="?android:attr/colorAccent">
+ <path
+ android:fillColor="#FF000000"
+ android:pathData="M9,11.24L9,7.5C9,6.12 10.12,5 11.5,5S14,6.12 14,7.5v3.74c1.21,-0.81 2,-2.18 2,-3.74C16,5.01 13.99,3 11.5,3S7,5.01 7,7.5c0,1.56 0.79,2.93 2,3.74zM18.84,15.87l-4.54,-2.26c-0.17,-0.07 -0.35,-0.11 -0.54,-0.11L13,13.5v-6c0,-0.83 -0.67,-1.5 -1.5,-1.5S10,6.67 10,7.5v10.74l-3.43,-0.72c-0.08,-0.01 -0.15,-0.03 -0.24,-0.03 -0.31,0 -0.59,0.13 -0.79,0.33l-0.79,0.8 4.94,4.94c0.27,0.27 0.65,0.44 1.06,0.44h6.79c0.75,0 1.33,-0.55 1.44,-1.28l0.75,-5.27c0.01,-0.07 0.02,-0.14 0.02,-0.2 0,-0.62 -0.38,-1.16 -0.91,-1.38z"/>
+</vector>
\ No newline at end of file
diff --git a/res/layout/gesture_preference.xml b/res/layout/gesture_preference.xml
new file mode 100644
index 0000000..9a388c5
--- /dev/null
+++ b/res/layout/gesture_preference.xml
@@ -0,0 +1,93 @@
+<?xml version="1.0" encoding="utf-8"?>
+<!-- Copyright (C) 2016 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"
+ android:layout_width="match_parent"
+ android:layout_height="wrap_content"
+ android:minHeight="?android:attr/listPreferredItemHeightSmall"
+ android:gravity="center_vertical"
+ android:background="?android:attr/activatedBackgroundIndicator"
+ android:clipToPadding="false"
+ android:orientation="vertical">
+
+ <LinearLayout
+ android:layout_width="match_parent"
+ android:layout_height="wrap_content"
+ android:layout_weight="1"
+ android:orientation="horizontal"
+ android:paddingTop="16dp"
+ android:paddingBottom="16dp"
+ android:paddingStart="?android:attr/listPreferredItemPaddingStart"
+ android:paddingEnd="?android:attr/listPreferredItemPaddingEnd">
+
+ <TextView
+ android:id="@android:id/title"
+ android:layout_width="0dp"
+ android:layout_height="wrap_content"
+ android:layout_weight="1"
+ android:singleLine="true"
+ android:textAppearance="?android:attr/textAppearanceListItem"
+ android:ellipsize="marquee"/>
+
+ <Switch
+ android:id="@android:id/switch_widget"
+ android:layout_width="wrap_content"
+ android:layout_height="wrap_content"
+ android:gravity="end|center_vertical"/>
+
+ </LinearLayout>
+
+ <LinearLayout
+ android:layout_width="match_parent"
+ android:layout_height="wrap_content"
+ android:layout_weight="1"
+ android:background="@color/gestures_setting_backgroud_color"
+ android:paddingEnd="?android:attr/listPreferredItemPaddingEnd"
+ android:orientation="horizontal">
+
+ <FrameLayout
+ android:layout_width="@dimen/gestures_settings_video_width"
+ android:layout_height="@dimen/gestures_settings_video_height">
+
+ <TextureView
+ android:id="@+id/gesture_video"
+ android:layout_width="match_parent"
+ android:layout_height="match_parent"
+ android:layout_gravity="center"/>
+
+ <ImageView
+ android:id="@+id/gesture_image"
+ android:layout_width="match_parent"
+ android:layout_height="match_parent"
+ android:visibility="gone"/>
+
+ </FrameLayout>
+
+ <TextView
+ android:id="@android:id/summary"
+ android:layout_width="@dimen/gestures_settings_summary_width"
+ android:layout_height="@dimen/gestures_settings_summary_height"
+ android:layout_weight="1"
+ android:paddingTop="@dimen/gestures_settings_padding_top_bottom"
+ android:paddingStart="?android:attr/listPreferredItemPaddingStart"
+ android:textAppearance="?android:attr/textAppearanceListItemSecondary"
+ android:textColor="?android:attr/textColorSecondary"
+ android:maxLines="10"
+ android:ellipsize="end"/>
+
+ </LinearLayout>
+
+</LinearLayout>
diff --git a/res/raw/gesture_ambient_move_lift.mp4 b/res/raw/gesture_ambient_move_lift.mp4
new file mode 100644
index 0000000..e69de29
--- /dev/null
+++ b/res/raw/gesture_ambient_move_lift.mp4
diff --git a/res/raw/gesture_ambient_tap.mp4 b/res/raw/gesture_ambient_tap.mp4
new file mode 100644
index 0000000..e69de29
--- /dev/null
+++ b/res/raw/gesture_ambient_tap.mp4
diff --git a/res/raw/gesture_double_tap.mp4 b/res/raw/gesture_double_tap.mp4
new file mode 100644
index 0000000..e69de29
--- /dev/null
+++ b/res/raw/gesture_double_tap.mp4
diff --git a/res/raw/gesture_fingerprint_swipe.mp4 b/res/raw/gesture_fingerprint_swipe.mp4
new file mode 100644
index 0000000..e69de29
--- /dev/null
+++ b/res/raw/gesture_fingerprint_swipe.mp4
diff --git a/res/raw/gesture_twist.mp4 b/res/raw/gesture_twist.mp4
new file mode 100644
index 0000000..e69de29
--- /dev/null
+++ b/res/raw/gesture_twist.mp4
diff --git a/res/values/attrs.xml b/res/values/attrs.xml
index ca3d247..ffc233b 100644
--- a/res/values/attrs.xml
+++ b/res/values/attrs.xml
@@ -137,4 +137,10 @@
<attr name="allowDividerAbove" format="boolean" />
<attr name="allowDividerBelow" format="boolean" />
</declare-styleable>
+
+ <!-- For GesturePreference -->
+ <declare-styleable name="GesturePreference">
+ <attr name="animation" format="reference" />
+ </declare-styleable>
+
</resources>
diff --git a/res/values/colors.xml b/res/values/colors.xml
index a462edc..b2d043f 100644
--- a/res/values/colors.xml
+++ b/res/values/colors.xml
@@ -131,4 +131,7 @@
<color name="accent_color">@color/accent_material_light</color>
<color name="accent_color_lighter">#ff7fcac3</color>
+ <!-- Gestures settings -->
+ <color name="gestures_setting_backgroud_color">#f5f5f5</color>
+
</resources>
diff --git a/res/values/dimens.xml b/res/values/dimens.xml
index c50e226..c4e471f 100755
--- a/res/values/dimens.xml
+++ b/res/values/dimens.xml
@@ -296,4 +296,11 @@
<!-- Padding between the radio buttons/checkbox and text on the redaction interstitial -->
<dimen name="redaction_padding_start">16dp</dimen>
+ <!-- Padding for Gestures settings screen -->
+ <dimen name="gestures_settings_title_height">56dp</dimen>
+ <dimen name="gestures_settings_video_height">206dp</dimen>
+ <dimen name="gestures_settings_video_width">206dp</dimen>
+ <dimen name="gestures_settings_summary_height">206dp</dimen>
+ <dimen name="gestures_settings_summary_width">206dp</dimen>
+ <dimen name="gestures_settings_padding_top_bottom">20dp</dimen>
</resources>
diff --git a/res/values/strings.xml b/res/values/strings.xml
index 4a5650f..971ec82 100644
--- a/res/values/strings.xml
+++ b/res/values/strings.xml
@@ -7660,4 +7660,35 @@
<!-- Automatic storage management service label. [CHAR LIMIT=40]-->
<string name="automatic_storage_manager_service_label">Automatic Storage Management Service</string>
+ <!-- Preference title for gesture settings [CHAR LIMIT=25]-->
+ <string name="gesture_preference_title">Gestures</string>
+
+ <!-- Title text for double tap power for camera [CHAR LIMIT=60]-->
+ <string name="double_tap_power_for_camera_title">Jump to Camera</string>
+
+ <!-- Summary text for double tap power for camera [CHAR LIMIT=160]-->
+ <string name="double_tap_power_for_camera_summary">To quickly open camera, just double-tap the power button. Works from any screen.</string>
+
+ <!-- Title text for double twist for camera mode [CHAR LIMIT=60]-->
+ <string name="double_twist_for_camera_mode_title">Flip camera</string>
+
+ <!-- Summary text for double twist for camera mode [CHAR LIMIT=160]-->
+ <string name="double_twist_for_camera_mode_summary">To switch between front and back cameras, double-twist.</string>
+
+ <!-- Title text for ambient display [CHAR LIMIT=60]-->
+ <string name="ambient_display_title">Quick screen check</string>
+
+ <!-- Summary text for ambient display [CHAR LIMIT=160]-->
+ <string name="ambient_display_summary">To check your phone without waking it up fully, nudge or pick it up.</string>
+
+ <!-- Title text for fingerprint swipe for notifications [CHAR LIMIT=60]-->
+ <string name="fingerprint_swipe_for_notifications_title">Swipe for notifications</string>
+
+ <!-- Summary text for fingerprint swipe for notifications [CHAR LIMIT=160]-->
+ <string name="fingerprint_swipe_for_notifications_summary">To check your notifications from any screen, swipe down on the fingerprint sensor.</string>
+
+ <!-- Switch text for each gesture setting state -->
+ <string name="gesture_setting_on">On</string>
+ <string name="gesture_setting_off">Off</string>
+
</resources>
diff --git a/res/xml/gesture_settings.xml b/res/xml/gesture_settings.xml
new file mode 100644
index 0000000..e68d8f5
--- /dev/null
+++ b/res/xml/gesture_settings.xml
@@ -0,0 +1,45 @@
+<?xml version="1.0" encoding="utf-8"?>
+<!-- Copyright (C) 2016 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.
+-->
+
+<PreferenceScreen xmlns:android="http://schemas.android.com/apk/res/android"
+ xmlns:settings="http://schemas.android.com/apk/res-auto"
+ android:title="@string/gesture_preference_title">
+
+ <com.android.settings.gestures.GesturePreference
+ android:key="gesture_double_tap_power"
+ android:title="@string/double_tap_power_for_camera_title"
+ android:summary="@string/double_tap_power_for_camera_summary"
+ settings:animation="@raw/gesture_double_tap"/>
+
+ <com.android.settings.gestures.GesturePreference
+ android:key="gesture_double_twist"
+ android:title="@string/double_twist_for_camera_mode_title"
+ android:summary="@string/double_twist_for_camera_mode_summary"
+ settings:animation="@raw/gesture_twist"/>
+
+ <com.android.settings.gestures.GesturePreference
+ android:key="gesture_swipe_down_fingerprint"
+ android:title="@string/fingerprint_swipe_for_notifications_title"
+ android:summary="@string/fingerprint_swipe_for_notifications_summary"
+ settings:animation="@raw/gesture_fingerprint_swipe"/>
+
+ <com.android.settings.gestures.GesturePreference
+ android:key="gesture_pick_up_and_nudge"
+ android:title="@string/ambient_display_title"
+ android:summary="@string/ambient_display_summary"
+ settings:animation="@raw/gesture_ambient_move_lift"/>
+
+</PreferenceScreen>
\ No newline at end of file
diff --git a/src/com/android/settings/Settings.java b/src/com/android/settings/Settings.java
index 1bf1e0e..f4a407a 100644
--- a/src/com/android/settings/Settings.java
+++ b/src/com/android/settings/Settings.java
@@ -84,6 +84,7 @@
public static class AccountSyncSettingsActivity extends SettingsActivity { /* empty */ }
public static class AccountSettingsActivity extends SettingsActivity { /* empty */ }
public static class AccountSyncSettingsInAddAccountActivity extends SettingsActivity { /* empty */ }
+ public static class GestureSettingsActivity extends SettingsActivity { /* empty */ }
public static class CryptKeeperSettingsActivity extends SettingsActivity { /* empty */ }
public static class DeviceAdminSettingsActivity extends SettingsActivity { /* empty */ }
public static class DataUsageSummaryActivity extends SettingsActivity { /* empty */ }
diff --git a/src/com/android/settings/SettingsActivity.java b/src/com/android/settings/SettingsActivity.java
index 330c9ea..223d536 100644
--- a/src/com/android/settings/SettingsActivity.java
+++ b/src/com/android/settings/SettingsActivity.java
@@ -85,6 +85,7 @@
import com.android.settings.fuelgauge.BatterySaverSettings;
import com.android.settings.fuelgauge.PowerUsageDetail;
import com.android.settings.fuelgauge.PowerUsageSummary;
+import com.android.settings.gestures.GestureSettings;
import com.android.settings.inputmethod.AvailableVirtualKeyboardFragment;
import com.android.settings.inputmethod.InputMethodAndLanguageSettings;
import com.android.settings.inputmethod.KeyboardLayoutPickerFragment;
@@ -242,6 +243,7 @@
Settings.StorageSettingsActivity.class.getName(),
Settings.ManageApplicationsActivity.class.getName(),
Settings.PowerUsageSummaryActivity.class.getName(),
+ Settings.GestureSettingsActivity.class.getName(),
//personal_section
Settings.LocationSettingsActivity.class.getName(),
Settings.SecuritySettingsActivity.class.getName(),
@@ -301,6 +303,7 @@
PowerUsageSummary.class.getName(),
AccountSyncSettings.class.getName(),
AccountSettings.class.getName(),
+ GestureSettings.class.getName(),
CryptKeeperSettings.class.getName(),
DataUsageSummary.class.getName(),
DreamSettings.class.getName(),
diff --git a/src/com/android/settings/gestures/GesturePreference.java b/src/com/android/settings/gestures/GesturePreference.java
new file mode 100644
index 0000000..1541aec
--- /dev/null
+++ b/src/com/android/settings/gestures/GesturePreference.java
@@ -0,0 +1,139 @@
+/*
+ * Copyright (C) 2016 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.settings.gestures;
+
+import android.content.Context;
+import android.content.res.TypedArray;
+import android.graphics.Bitmap;
+import android.graphics.drawable.BitmapDrawable;
+import android.graphics.SurfaceTexture;
+import android.media.MediaMetadataRetriever;
+import android.media.MediaPlayer;
+import android.net.Uri;
+import android.support.v14.preference.SwitchPreference;
+import android.support.v7.preference.PreferenceViewHolder;
+import android.view.MotionEvent;
+import android.view.View;
+import android.view.Surface;
+import android.view.TextureView;
+import android.widget.ImageView;
+import android.util.AttributeSet;
+import android.util.Log;
+
+import com.android.settings.R;
+
+/**
+ * Preference item for a gesture with a switch to signify if it should be enabled.
+ * This shows the title and description of the gesture along with an animation showing how to do
+ * the gesture
+ */
+public class GesturePreference extends SwitchPreference {
+ private static final String TAG = "GesturePreference";
+ private Uri mVideoPath;
+ private Context mContext;
+ private MediaPlayer mMediaPlayer;
+ private MediaMetadataRetriever mMediaMetadata;
+
+ public GesturePreference(Context context, AttributeSet attrs) {
+ super(context, attrs);
+ mContext = context;
+ setLayoutResource(R.layout.gesture_preference);
+ TypedArray attributes = context.getTheme().obtainStyledAttributes(
+ attrs,
+ R.styleable.GesturePreference,
+ 0, 0);
+ try {
+ int animation = attributes.getResourceId(R.styleable.GesturePreference_animation, 0);
+ mVideoPath = Uri.parse(
+ "android.resource://" + context.getPackageName() + "/" + animation);
+ mMediaMetadata = new MediaMetadataRetriever();
+ mMediaMetadata.setDataSource(mContext, mVideoPath);
+ } catch (Exception e) {
+ // resource not available, show blank view
+ } finally {
+ attributes.recycle();
+ }
+ }
+
+ @Override
+ public void onBindViewHolder(PreferenceViewHolder holder) {
+ super.onBindViewHolder(holder);
+ final TextureView video = (TextureView) holder.findViewById(R.id.gesture_video);
+ final ImageView imageView = (ImageView) holder.findViewById(R.id.gesture_image);
+
+ video.setOnTouchListener(new View.OnTouchListener() {
+ @Override
+ public boolean onTouch(View v, MotionEvent event) {
+ if (event.getAction() == MotionEvent.ACTION_DOWN) {
+ if (mMediaPlayer != null) {
+ if (mMediaPlayer.isPlaying()) {
+ mMediaPlayer.pause();
+ } else {
+ mMediaPlayer.start();
+ imageView.setVisibility(View.GONE);
+ }
+ }
+ return true;
+ }
+ return false;
+ }
+ });
+
+ video.setSurfaceTextureListener(new TextureView.SurfaceTextureListener() {
+ @Override
+ public void onSurfaceTextureAvailable(SurfaceTexture surfaceTexture, int width, int height) {
+ mMediaPlayer = MediaPlayer.create(mContext, mVideoPath);
+ if (mMediaPlayer != null) {
+ mMediaPlayer.setSurface(new Surface(surfaceTexture));
+ mMediaPlayer.setOnPreparedListener(new MediaPlayer.OnPreparedListener() {
+ @Override
+ public void onPrepared(MediaPlayer mediaPlayer) {
+ mediaPlayer.setLooping(true);
+ }
+ });
+ }
+ }
+
+ @Override
+ public void onSurfaceTextureSizeChanged(SurfaceTexture surfaceTexture, int width, int height) {
+ }
+
+ @Override
+ public boolean onSurfaceTextureDestroyed(SurfaceTexture surfaceTexture) {
+ imageView.setVisibility(View.VISIBLE);
+ if (mMediaPlayer != null) {
+ mMediaPlayer.stop();
+ mMediaPlayer.reset();
+ mMediaPlayer.release();
+ }
+ return false;
+ }
+
+ @Override
+ public void onSurfaceTextureUpdated(SurfaceTexture surfaceTexture) {
+ }
+ });
+
+ if (mMediaPlayer == null) {
+ Bitmap bitmap = mMediaMetadata.getFrameAtTime(0);
+ if (bitmap != null) {
+ imageView.setImageDrawable(new BitmapDrawable(bitmap));
+ }
+ imageView.setVisibility(View.VISIBLE);
+ }
+
+ }
+
+}
diff --git a/src/com/android/settings/gestures/GestureSettings.java b/src/com/android/settings/gestures/GestureSettings.java
new file mode 100644
index 0000000..56f4184
--- /dev/null
+++ b/src/com/android/settings/gestures/GestureSettings.java
@@ -0,0 +1,73 @@
+/*
+ * Copyright (C) 2016 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.settings.gestures;
+
+import android.os.Bundle;
+import android.support.v7.preference.PreferenceScreen;
+import android.provider.Settings;
+import android.support.v7.preference.Preference;
+import android.util.Log;
+
+import com.android.internal.logging.MetricsProto.MetricsEvent;
+import com.android.settings.R;
+import com.android.settings.SettingsPreferenceFragment;
+
+/**
+ * Top level fragment for gesture settings.
+ * This will create individual switch preference for each gesture and handle updates when each
+ * preference is updated
+ */
+public class GestureSettings extends SettingsPreferenceFragment implements
+ Preference.OnPreferenceChangeListener {
+
+ private static final String TAG = "GestureSettings";
+ private static final String PREF_KEY_DOUBLE_TAP_POWER = "gesture_double_tap_power";
+ private static final String PREF_KEY_DOUBLE_TWIST = "gesture_double_twist";
+ private static final String PREF_KEY_PICK_UP_AND_NUDGE = "gesture_pick_up_and_nudge";
+ private static final String PREF_KEY_SWIPE_DOWN_FINGERPRINT = "gesture_swipe_down_fingerprint";
+
+ @Override
+ public void onCreate(Bundle savedInstanceState) {
+ super.onCreate(savedInstanceState);
+ addPreferencesFromResource(R.xml.gesture_settings);
+
+ // Double tap power for camera
+ int cameraDisabled = Settings.Secure.getInt(getActivity().getContentResolver(),
+ Settings.Secure.CAMERA_DOUBLE_TAP_POWER_GESTURE_DISABLED, 1);
+ GesturePreference preference =
+ (GesturePreference) findPreference(PREF_KEY_DOUBLE_TAP_POWER);
+ preference.setChecked(cameraDisabled == 0);
+ preference.setOnPreferenceChangeListener(this);
+
+ }
+
+ @Override
+ public boolean onPreferenceChange(Preference preference, Object newValue) {
+ boolean enabled = (boolean) newValue;
+ if (PREF_KEY_DOUBLE_TAP_POWER.equals(preference.getKey())) {
+ Settings.Secure.putInt(getActivity().getContentResolver(),
+ Settings.Secure.CAMERA_DOUBLE_TAP_POWER_GESTURE_DISABLED, enabled ? 0 : 1);
+ }
+ return true;
+ }
+
+ @Override
+ protected int getMetricsCategory() {
+ return MetricsEvent.SETTINGS_GESTURES;
+ }
+
+}
\ No newline at end of file