Merge "Create settings for window magnification (2/n)"
diff --git a/AndroidManifest.xml b/AndroidManifest.xml
index 6ee6a87..a4803a9 100644
--- a/AndroidManifest.xml
+++ b/AndroidManifest.xml
@@ -3244,6 +3244,24 @@
                 android:value="com.android.settings.gestures.GlobalActionsPanelSettings" />
         </activity>
 
+        <activity
+            android:name="Settings$GestureNavigationSettingsActivity"
+            android:label="@string/gesture_settings_activity_title"
+            android:enabled="true">
+            <intent-filter android:priority="32">
+                <action android:name="android.intent.action.MAIN" />
+                <category android:name="com.android.settings.SHORTCUT" />
+            </intent-filter>
+            <intent-filter android:priority="1">
+                <action android:name="com.android.settings.GESTURE_NAVIGATION_SETTINGS" />
+                <category android:name="android.intent.category.DEFAULT" />
+            </intent-filter>
+            <meta-data android:name="com.android.settings.FRAGMENT_CLASS"
+                       android:value="com.android.settings.gestures.GestureNavigationSettingsFragment" />
+            <meta-data android:name="com.android.settings.PRIMARY_PROFILE_CONTROLLED"
+                       android:value="true" />
+        </activity>
+
         <!-- This is the longest AndroidManifest.xml ever. -->
     </application>
 </manifest>
diff --git a/res/layout/back_gesture_indicator_container.xml b/res/layout/back_gesture_indicator_container.xml
new file mode 100644
index 0000000..17b9126
--- /dev/null
+++ b/res/layout/back_gesture_indicator_container.xml
@@ -0,0 +1,41 @@
+<?xml version="1.0" encoding="utf-8"?>
+<!--
+  ~ 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
+  -->
+
+<LinearLayout xmlns:android="http://schemas.android.com/apk/res/android"
+              android:orientation="horizontal"
+              android:layout_width="match_parent"
+              android:layout_height="match_parent">
+
+    <ImageView
+        android:layout_width="@dimen/back_gesture_indicator_width"
+        android:layout_height="match_parent"
+        android:id="@+id/indicator_left">
+    </ImageView>
+
+    <Space
+        android:layout_width="0dp"
+        android:layout_height="0dp"
+        android:layout_weight="1" />
+
+    <ImageView
+        android:layout_width="@dimen/back_gesture_indicator_width"
+        android:layout_height="match_parent"
+        android:id="@+id/indicator_right">
+    </ImageView>
+
+</LinearLayout>
+
diff --git a/res/values/arrays.xml b/res/values/arrays.xml
index 5d03216..e4a6b27 100644
--- a/res/values/arrays.xml
+++ b/res/values/arrays.xml
@@ -482,6 +482,11 @@
         <item>1xRTT</item>
         <item>IS95B</item>
         <item>IS95A</item>
+        <item>GSM</item>
+        <item>TD_SCDMA</item>
+        <item>IWLAN</item>
+        <item>LTE_CA</item>
+        <item>NR</item>
     </string-array>
 
     <string-array translatable="false" name="bearer_values">
@@ -517,6 +522,16 @@
         <item>5</item>
         <!-- Do not translate. -->
         <item>4</item>
+        <!-- Do not translate. -->
+        <item>16</item>
+        <!-- Do not translate. -->
+        <item>17</item>
+        <!-- Do not translate. -->
+        <item>18</item>
+        <!-- Do not translate. -->
+        <item>19</item>
+        <!-- Do not translate. -->
+        <item>20</item>
     </string-array>
 
     <!-- MVNO Info used in APN editor -->
diff --git a/res/values/colors.xml b/res/values/colors.xml
index a1cb8fc..3fd77e8 100644
--- a/res/values/colors.xml
+++ b/res/values/colors.xml
@@ -146,4 +146,6 @@
     <color name="dialog_background">@*android:color/background_device_default_light</color>
 
     <color name="face_intro_outline">#ffdadce0</color>
+
+    <color name="back_gesture_indicator">#4182ef</color>
 </resources>
\ No newline at end of file
diff --git a/res/values/dimens.xml b/res/values/dimens.xml
index 41c059c..aca64fb 100755
--- a/res/values/dimens.xml
+++ b/res/values/dimens.xml
@@ -216,8 +216,8 @@
     <dimen name="fingerprint_finish_max_size">288dp</dimen>
 
     <!-- Face -->
-    <dimen name="face_preview_translate_y">0dp</dimen>
-    <dimen name="face_preview_translate_x">0dp</dimen>
+    <item name="face_preview_translate_y" format="float" type="dimen">0</item>
+    <item name="face_preview_translate_x" format="float" type="dimen">0</item>
     <item name="face_preview_scale" format="float" type="dimen">1.0</item>
 
     <!-- Confirm device credentials -->
@@ -403,6 +403,8 @@
     <!-- System navigation settings illustration height -->
     <dimen name="system_navigation_illustration_height">320dp</dimen>
 
+    <dimen name="back_gesture_indicator_width">60dp</dimen>
+
     <!-- Header title size of advanced bluetooth device -->
     <dimen name="advanced_bluetooth_header_title_text_size">16sp</dimen>
 
diff --git a/res/values/strings.xml b/res/values/strings.xml
index d0704ed..86708a4 100644
--- a/res/values/strings.xml
+++ b/res/values/strings.xml
@@ -10272,6 +10272,9 @@
     <!-- Title for the screen to show all the gesture navigation settings [CHAR LIMIT=80] -->
     <string name="gesture_settings_activity_title">Gesture Settings</string>
 
+    <!-- Keywords for the gesture navigation settings. [CHAR LIMIT=NONE] -->
+    <string name="keywords_gesture_navigation_settings">gesture navigation, back sensitivity, back gesture</string>
+
     <!-- Preference and settings suggestion title text for ambient display double tap (phone) [CHAR LIMIT=60]-->
     <string name="ambient_display_title" product="default">Double-tap to check phone</string>
     <!-- Preference and settings suggestion title text for ambient display double tap (tablet) [CHAR LIMIT=60]-->
diff --git a/res/xml/gesture_navigation_settings.xml b/res/xml/gesture_navigation_settings.xml
new file mode 100644
index 0000000..2751f88
--- /dev/null
+++ b/res/xml/gesture_navigation_settings.xml
@@ -0,0 +1,51 @@
+<?xml version="1.0" encoding="utf-8"?>
+
+<!--
+  ~ 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
+  -->
+
+<PreferenceScreen
+    xmlns:android="http://schemas.android.com/apk/res/android"
+    xmlns:settings="http://schemas.android.com/apk/res-auto"
+    android:key="gesture_navigation_settings_page"
+    android:title="@string/gesture_settings_activity_title"
+    settings:keywords="@string/keywords_gesture_navigation_settings">
+
+    <PreferenceCategory
+        android:key="back_sensitivity_category"
+        android:persistent="false"
+        android:title="@string/back_sensitivity_dialog_title">
+
+        <com.android.settings.gestures.GestureNavigationSeekBarPreference
+            android:key="gesture_left_back_sensitivity"
+            android:title="@string/left_edge"
+            android:max="3"
+            android:selectable="true"/>
+
+        <com.android.settings.gestures.GestureNavigationSeekBarPreference
+            android:key="gesture_right_back_sensitivity"
+            android:title="@string/right_edge"
+            android:max="3"
+            android:selectable="true"/>
+    </PreferenceCategory>
+
+    <com.android.settingslib.widget.FooterPreference
+        android:key="gesture_navigation_settings_footer"
+        android:title="@string/back_sensitivity_dialog_message"
+        android:selectable="false"
+        settings:searchable="false"
+        settings:allowDividerAbove="true"/>
+</PreferenceScreen>
+
diff --git a/src/com/android/settings/Settings.java b/src/com/android/settings/Settings.java
index 46992ef..50caf32 100644
--- a/src/com/android/settings/Settings.java
+++ b/src/com/android/settings/Settings.java
@@ -131,6 +131,7 @@
     public static class PhotosStorageActivity extends SettingsActivity {
         /* empty */
     }
+    public static class GestureNavigationSettingsActivity extends SettingsActivity { /* empty */ }
 
     public static class ApnSettingsActivity extends SettingsActivity { /* empty */ }
     public static class WifiCallingSettingsActivity extends SettingsActivity { /* empty */ }
diff --git a/src/com/android/settings/accounts/AccountDashboardFragment.java b/src/com/android/settings/accounts/AccountDashboardFragment.java
index 53b5ea3..7b50b46 100644
--- a/src/com/android/settings/accounts/AccountDashboardFragment.java
+++ b/src/com/android/settings/accounts/AccountDashboardFragment.java
@@ -17,8 +17,13 @@
 
 import static android.provider.Settings.EXTRA_AUTHORITIES;
 
+import android.accounts.Account;
+import android.accounts.AccountManager;
 import android.app.settings.SettingsEnums;
 import android.content.Context;
+import android.content.pm.UserInfo;
+import android.os.UserHandle;
+import android.os.UserManager;
 
 import com.android.settings.R;
 import com.android.settings.SettingsPreferenceFragment;
@@ -97,7 +102,26 @@
                 @Override
                 public List<SearchIndexableRaw> getDynamicRawDataToIndex(Context context,
                         boolean enabled) {
-                    return null;
+                    final List<SearchIndexableRaw> indexRaws = new ArrayList<>();
+                    final UserManager userManager = (UserManager) context.getSystemService(
+                            Context.USER_SERVICE);
+                    final List<UserInfo> profiles = userManager.getProfiles(UserHandle.myUserId());
+                    for (final UserInfo userInfo : profiles) {
+                        if (userInfo.isManagedProfile()) {
+                            return indexRaws;
+                        }
+                    }
+
+                    final AccountManager accountManager = AccountManager.get(context);
+                    final Account[] accounts = accountManager.getAccounts();
+                    for (Account account : accounts) {
+                        final SearchIndexableRaw raw = new SearchIndexableRaw(context);
+                        raw.key = AccountTypePreference.buildKey(account);
+                        raw.title = account.name;
+                        indexRaws.add(raw);
+                    }
+
+                    return indexRaws;
                 }
             };
 }
diff --git a/src/com/android/settings/applications/appops/AppOpsState.java b/src/com/android/settings/applications/appops/AppOpsState.java
index fed77ae..cbffe47 100644
--- a/src/com/android/settings/applications/appops/AppOpsState.java
+++ b/src/com/android/settings/applications/appops/AppOpsState.java
@@ -28,7 +28,6 @@
 import android.os.Parcelable;
 import android.text.format.DateUtils;
 import android.util.Log;
-import android.util.Pair;
 import android.util.SparseArray;
 
 import com.android.settings.R;
@@ -619,7 +618,7 @@
 
                         }
                         AppOpsManager.OpEntry opEntry = new AppOpsManager.OpEntry(
-                                permOps.get(k), AppOpsManager.MODE_ALLOWED, new Pair[0]);
+                                permOps.get(k), AppOpsManager.MODE_ALLOWED, Collections.emptyMap());
                         dummyOps.add(opEntry);
                         addOp(entries, pkgOps, appEntry, opEntry, packageName == null,
                                 packageName == null ? 0 : opToOrder[opEntry.getOp()]);
diff --git a/src/com/android/settings/biometrics/face/FaceEnrollPreviewFragment.java b/src/com/android/settings/biometrics/face/FaceEnrollPreviewFragment.java
index 8806712..853ca7c 100644
--- a/src/com/android/settings/biometrics/face/FaceEnrollPreviewFragment.java
+++ b/src/com/android/settings/biometrics/face/FaceEnrollPreviewFragment.java
@@ -18,6 +18,7 @@
 
 import android.app.settings.SettingsEnums;
 import android.content.Context;
+import android.graphics.Matrix;
 import android.graphics.SurfaceTexture;
 import android.hardware.camera2.CameraAccessException;
 import android.hardware.camera2.CameraCaptureSession;
@@ -316,14 +317,19 @@
         scaleX = scaleX / smaller;
         scaleY = scaleY / smaller;
 
-        // Apply the transformation/scale
-        mTextureView.setTranslationX(getResources().getDimension(R.dimen.face_preview_translate_x));
-        mTextureView.setTranslationY(getResources().getDimension(R.dimen.face_preview_translate_y));
-
+        final TypedValue tx = new TypedValue();
+        final TypedValue ty = new TypedValue();
         final TypedValue scale = new TypedValue();
+        getResources().getValue(R.dimen.face_preview_translate_x, tx, true /* resolveRefs */);
+        getResources().getValue(R.dimen.face_preview_translate_y, ty, true /* resolveRefs */);
         getResources().getValue(R.dimen.face_preview_scale, scale, true /* resolveRefs */);
-        mTextureView.setScaleX(scaleX * scale.getFloat());
-        mTextureView.setScaleY(scaleY * scale.getFloat());
+
+        // Apply the transformation/scale
+        final Matrix transform = new Matrix();
+        mTextureView.getTransform(transform);
+        transform.setScale(scaleX * scale.getFloat(), scaleY * scale.getFloat());
+        transform.postTranslate(tx.getFloat(), ty.getFloat());
+        mTextureView.setTransform(transform);
     }
 
     private void closeCamera() {
diff --git a/src/com/android/settings/core/gateway/SettingsGateway.java b/src/com/android/settings/core/gateway/SettingsGateway.java
index 01b1598..1e97bdb 100644
--- a/src/com/android/settings/core/gateway/SettingsGateway.java
+++ b/src/com/android/settings/core/gateway/SettingsGateway.java
@@ -87,6 +87,7 @@
 import com.android.settings.gestures.DoubleTapPowerSettings;
 import com.android.settings.gestures.DoubleTapScreenSettings;
 import com.android.settings.gestures.DoubleTwistGestureSettings;
+import com.android.settings.gestures.GestureNavigationSettingsFragment;
 import com.android.settings.gestures.GlobalActionsPanelSettings;
 import com.android.settings.gestures.PickupGestureSettings;
 import com.android.settings.gestures.SwipeToNotificationSettings;
@@ -289,7 +290,8 @@
             MobileNetworkListFragment.class.getName(),
             GlobalActionsPanelSettings.class.getName(),
             DarkModeSettingsFragment.class.getName(),
-            BugReportHandlerPicker.class.getName()
+            BugReportHandlerPicker.class.getName(),
+            GestureNavigationSettingsFragment.class.getName()
     };
 
     public static final String[] SETTINGS_FOR_RESTRICTED = {
diff --git a/src/com/android/settings/gestures/BackGestureIndicatorDrawable.java b/src/com/android/settings/gestures/BackGestureIndicatorDrawable.java
new file mode 100644
index 0000000..2d09e6b
--- /dev/null
+++ b/src/com/android/settings/gestures/BackGestureIndicatorDrawable.java
@@ -0,0 +1,161 @@
+/*
+ * 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.android.settings.gestures;
+
+import android.animation.TimeAnimator;
+import android.annotation.IntRange;
+import android.annotation.NonNull;
+import android.annotation.Nullable;
+import android.content.Context;
+import android.graphics.Canvas;
+import android.graphics.ColorFilter;
+import android.graphics.Paint;
+import android.graphics.Rect;
+import android.graphics.drawable.Drawable;
+import android.os.Handler;
+import android.os.Looper;
+import android.os.Message;
+
+import com.android.internal.annotations.VisibleForTesting;
+import com.android.settings.R;
+
+/** A drawable to animate the inset back gesture in both edges of the screen */
+public class BackGestureIndicatorDrawable extends Drawable {
+
+    private static final String TAG = "BackGestureIndicatorDrawable";
+
+    private static final int MSG_SET_INDICATOR_WIDTH = 1;
+    private static final int MSG_HIDE_INDICATOR = 3;
+
+    private static final long ANIMATION_DURATION_MS = 200L;
+    private static final long HIDE_DELAY_MS = 700L;
+
+    private static final int ALPHA_MAX = 64;
+
+    private Context mContext;
+
+    private Paint mPaint = new Paint();
+    private boolean mReversed;
+
+    private float mFinalWidth;
+    private float mCurrentWidth;
+    private float mWidthChangePerMs;
+
+    private TimeAnimator mTimeAnimator = new TimeAnimator();
+
+    private final Handler mHandler = new Handler(Looper.getMainLooper()) {
+        @Override
+        public void handleMessage(Message msg) {
+            switch(msg.what) {
+                case MSG_SET_INDICATOR_WIDTH:
+                    mTimeAnimator.end();
+                    mFinalWidth = msg.arg1;
+                    mWidthChangePerMs = Math.abs(mCurrentWidth - mFinalWidth)
+                            / ANIMATION_DURATION_MS;
+                    mTimeAnimator.start();
+                    break;
+                case MSG_HIDE_INDICATOR:
+                    mCurrentWidth = mFinalWidth;
+                    removeMessages(MSG_SET_INDICATOR_WIDTH);
+                    sendMessageDelayed(obtainMessage(MSG_SET_INDICATOR_WIDTH, 0, 0), HIDE_DELAY_MS);
+                    invalidateSelf();
+                    break;
+                default:
+                    break;
+            }
+        }
+    };
+
+    /**
+     * Creates an indicator drawable that responds to back gesture inset size change
+     * @param reversed If false, indicator will expand right. If true, indicator will expand left
+     */
+    public BackGestureIndicatorDrawable(Context context, boolean reversed) {
+        mContext = context;
+        mReversed = reversed;
+
+        // Restart the timer whenever a change is detected, so we can shrink/fade the indicators
+        mTimeAnimator.setTimeListener((TimeAnimator animation, long totalTime, long deltaTime) -> {
+            updateCurrentWidth(totalTime, deltaTime);
+            invalidateSelf();
+        });
+    }
+
+    private void updateCurrentWidth(long totalTime, long deltaTime) {
+        synchronized (mTimeAnimator) {
+            float step = deltaTime * mWidthChangePerMs;
+            if (totalTime >= ANIMATION_DURATION_MS
+                    || step >= Math.abs(mFinalWidth - mCurrentWidth)) {
+                mCurrentWidth = mFinalWidth;
+                mTimeAnimator.end();
+            } else {
+                float direction = mCurrentWidth < mFinalWidth ? 1 : -1;
+                mCurrentWidth += direction * step;
+            }
+        }
+    }
+
+    @Override
+    public void draw(@NonNull Canvas canvas) {
+
+        mPaint.setAntiAlias(true);
+        mPaint.setColor(mContext.getResources().getColor(R.color.back_gesture_indicator));
+        mPaint.setAlpha(ALPHA_MAX);
+
+        final int top = 0;
+        final int bottom = canvas.getHeight();
+        final int width = (int) mCurrentWidth;
+
+        Rect rect = new Rect(0, top, width, bottom);
+        if (mReversed) {
+            rect.offset(canvas.getWidth() - width, 0);
+        }
+
+        canvas.drawRect(rect, mPaint);
+    }
+
+    @Override
+    public void setAlpha(@IntRange(from = 0, to = 255) int alpha) {
+
+    }
+
+    @Override
+    public void setColorFilter(@Nullable ColorFilter colorFilter) {
+
+    }
+
+    @Override
+    public int getOpacity() {
+        return 0;
+    }
+
+    /**
+     * Sets the visible width of the indicator in pixels.
+     */
+    public void setWidth(int width) {
+        if (width == 0) {
+            mHandler.sendEmptyMessage(MSG_HIDE_INDICATOR);
+        } else {
+            mHandler.sendMessage(mHandler.obtainMessage(MSG_SET_INDICATOR_WIDTH, width, 0));
+        }
+    }
+
+    @VisibleForTesting
+    public int getWidth() {
+        return (int) mFinalWidth;
+    }
+}
diff --git a/src/com/android/settings/gestures/BackGestureIndicatorView.java b/src/com/android/settings/gestures/BackGestureIndicatorView.java
new file mode 100644
index 0000000..2bb8435
--- /dev/null
+++ b/src/com/android/settings/gestures/BackGestureIndicatorView.java
@@ -0,0 +1,100 @@
+/*
+ * 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.android.settings.gestures;
+
+import android.content.Context;
+import android.content.res.TypedArray;
+import android.graphics.PixelFormat;
+import android.view.LayoutInflater;
+import android.view.View;
+import android.view.ViewGroup;
+import android.view.WindowManager;
+import android.widget.ImageView;
+import android.widget.LinearLayout;
+
+import com.android.settings.R;
+
+/**
+ * A linear layout containing the left and right location indicators.
+ */
+public class BackGestureIndicatorView extends LinearLayout {
+    private ViewGroup mLayout;
+    private ImageView mLeftIndicator;
+    private ImageView mRightIndicator;
+    private BackGestureIndicatorDrawable mLeftDrawable;
+    private BackGestureIndicatorDrawable mRightDrawable;
+
+    public BackGestureIndicatorView(Context context) {
+        super(context);
+
+        LayoutInflater factory = LayoutInflater.from(context);
+        mLayout = (ViewGroup) factory.inflate(R.layout.back_gesture_indicator_container,
+                this, false);
+
+        if (mLayout == null) {
+            return;
+        }
+
+        addView(mLayout);
+
+        mLeftDrawable = new BackGestureIndicatorDrawable(context, false);
+        mRightDrawable = new BackGestureIndicatorDrawable(context, true);
+
+        mLeftIndicator = mLayout.findViewById(R.id.indicator_left);
+        mRightIndicator = mLayout.findViewById(R.id.indicator_right);
+
+        mLeftIndicator.setImageDrawable(mLeftDrawable);
+        mRightIndicator.setImageDrawable(mRightDrawable);
+
+        TypedArray a = context.obtainStyledAttributes(new int[] {
+                android.R.attr.windowLightNavigationBar,
+                android.R.attr.windowLightStatusBar});
+        if (a.getBoolean(0, false)) {
+            setSystemUiVisibility(
+                    getSystemUiVisibility() | View.SYSTEM_UI_FLAG_LIGHT_NAVIGATION_BAR);
+        }
+        if (a.getBoolean(1, false)) {
+            setSystemUiVisibility(
+                    getSystemUiVisibility() | View.SYSTEM_UI_FLAG_LIGHT_STATUS_BAR);
+        }
+        a.recycle();
+    }
+
+    public void setIndicatorWidth(int width, boolean leftIndicator) {
+        BackGestureIndicatorDrawable indicator = leftIndicator ? mLeftDrawable : mRightDrawable;
+        indicator.setWidth(width);
+    }
+
+    public WindowManager.LayoutParams getLayoutParams(
+            WindowManager.LayoutParams parentWindowAttributes) {
+        int copiedFlags = (parentWindowAttributes.flags
+                & WindowManager.LayoutParams.FLAG_DRAWS_SYSTEM_BAR_BACKGROUNDS);
+        final WindowManager.LayoutParams lp = new WindowManager.LayoutParams(
+                ViewGroup.LayoutParams.MATCH_PARENT,
+                ViewGroup.LayoutParams.MATCH_PARENT,
+                WindowManager.LayoutParams.TYPE_APPLICATION,
+                WindowManager.LayoutParams.FLAG_HARDWARE_ACCELERATED
+                        | WindowManager.LayoutParams.FLAG_NOT_TOUCHABLE
+                        | WindowManager.LayoutParams.FLAG_NOT_FOCUSABLE
+                        | copiedFlags,
+                PixelFormat.TRANSLUCENT);
+
+        lp.setTitle("BackGestureIndicatorView");
+        lp.token = getContext().getActivityToken();
+        return lp;
+    }
+}
diff --git a/src/com/android/settings/gestures/GestureNavigationSettingsFragment.java b/src/com/android/settings/gestures/GestureNavigationSettingsFragment.java
new file mode 100644
index 0000000..c209c81
--- /dev/null
+++ b/src/com/android/settings/gestures/GestureNavigationSettingsFragment.java
@@ -0,0 +1,148 @@
+/*
+ * 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.android.settings.gestures;
+
+import android.app.settings.SettingsEnums;
+import android.content.Context;
+import android.os.Bundle;
+import android.provider.Settings;
+import android.view.WindowManager;
+
+import com.android.settings.R;
+import com.android.settings.dashboard.DashboardFragment;
+import com.android.settings.search.BaseSearchIndexProvider;
+import com.android.settingslib.search.SearchIndexable;
+
+/**
+ * A fragment to include all the settings related to Gesture Navigation mode.
+ */
+@SearchIndexable(forTarget = SearchIndexable.ALL & ~SearchIndexable.ARC)
+public class GestureNavigationSettingsFragment extends DashboardFragment {
+
+    public static final String TAG = "GestureNavigationSettingsFragment";
+
+    public static final String GESTURE_NAVIGATION_SETTINGS =
+            "com.android.settings.GESTURE_NAVIGATION_SETTINGS";
+
+    private static final String LEFT_EDGE_SEEKBAR_KEY = "gesture_left_back_sensitivity";
+    private static final String RIGHT_EDGE_SEEKBAR_KEY = "gesture_right_back_sensitivity";
+
+    private WindowManager mWindowManager;
+    private BackGestureIndicatorView mIndicatorView;
+
+    private static final float[] BACK_GESTURE_INSET_SCALES = {0.75f, 1.0f, 1.33f, 1.66f};
+
+    private float mDefaultBackGestureInset;
+
+    public GestureNavigationSettingsFragment() {
+        super();
+    }
+
+    @Override
+    public void onCreate(Bundle savedInstanceState) {
+        super.onCreate(savedInstanceState);
+
+        mIndicatorView = new BackGestureIndicatorView(getActivity());
+        mWindowManager = (WindowManager) getActivity().getSystemService(Context.WINDOW_SERVICE);
+
+        mDefaultBackGestureInset = getActivity().getResources().getDimensionPixelSize(
+                com.android.internal.R.dimen.config_backGestureInset);
+    }
+
+    @Override
+    public void onCreatePreferences(Bundle savedInstanceState, String rootKey) {
+        super.onCreatePreferences(savedInstanceState, rootKey);
+
+        initSeekBarPreference(LEFT_EDGE_SEEKBAR_KEY);
+        initSeekBarPreference(RIGHT_EDGE_SEEKBAR_KEY);
+    }
+
+    @Override
+    public void onResume() {
+        super.onResume();
+
+        mWindowManager.addView(mIndicatorView, mIndicatorView.getLayoutParams(
+                getActivity().getWindow().getAttributes()));
+    }
+
+    @Override
+    public void onPause() {
+        super.onPause();
+
+        mWindowManager.removeView(mIndicatorView);
+    }
+
+    @Override
+    protected int getPreferenceScreenResId() {
+        return R.xml.gesture_navigation_settings;
+    }
+
+    @Override
+    public int getHelpResource() {
+        // TODO(b/146001201): Replace with gesture navigation help page when ready.
+        return R.string.help_uri_default;
+    }
+
+    @Override
+    protected String getLogTag() {
+        return TAG;
+    }
+
+    @Override
+    public int getMetricsCategory() {
+        return SettingsEnums.SETTINGS_GESTURE_NAV_BACK_SENSITIVITY_DLG;
+    }
+
+    private void initSeekBarPreference(final String key) {
+        final GestureNavigationSeekBarPreference pref = getPreferenceScreen().findPreference(key);
+        pref.setContinuousUpdates(true);
+
+        final String settingsKey = key == LEFT_EDGE_SEEKBAR_KEY
+                ? Settings.Secure.BACK_GESTURE_INSET_SCALE_LEFT
+                : Settings.Secure.BACK_GESTURE_INSET_SCALE_RIGHT;
+        final float initScale = Settings.Secure.getFloat(
+                getContext().getContentResolver(), settingsKey, 1.0f);
+
+        // Find the closest value to initScale
+        float minDistance = Float.MAX_VALUE;
+        int minDistanceIndex = -1;
+        for (int i = 0; i < BACK_GESTURE_INSET_SCALES.length; i++) {
+            float d = Math.abs(BACK_GESTURE_INSET_SCALES[i] - initScale);
+            if (d < minDistance) {
+                minDistance = d;
+                minDistanceIndex = i;
+            }
+        }
+        pref.setProgress(minDistanceIndex);
+
+        pref.setOnPreferenceChangeListener((p, v) -> {
+            final int width = (int) (mDefaultBackGestureInset * BACK_GESTURE_INSET_SCALES[(int) v]);
+            mIndicatorView.setIndicatorWidth(width, key == LEFT_EDGE_SEEKBAR_KEY);
+            return true;
+        });
+
+        pref.setOnPreferenceChangeStopListener((p, v) -> {
+            mIndicatorView.setIndicatorWidth(0, key == LEFT_EDGE_SEEKBAR_KEY);
+            final float scale = BACK_GESTURE_INSET_SCALES[(int) v];
+            Settings.Secure.putFloat(getContext().getContentResolver(), settingsKey, scale);
+            return true;
+        });
+    }
+
+    public static final BaseSearchIndexProvider SEARCH_INDEX_DATA_PROVIDER =
+            new BaseSearchIndexProvider(R.xml.gesture_navigation_settings);
+}
diff --git a/src/com/android/settings/network/AirplaneModePreferenceController.java b/src/com/android/settings/network/AirplaneModePreferenceController.java
index 3c79be3..f5fff1c 100644
--- a/src/com/android/settings/network/AirplaneModePreferenceController.java
+++ b/src/com/android/settings/network/AirplaneModePreferenceController.java
@@ -23,13 +23,13 @@
 import android.content.pm.PackageManager;
 import android.net.Uri;
 import android.provider.SettingsSlicesContract;
+import android.telephony.TelephonyManager;
 
 import androidx.fragment.app.Fragment;
 import androidx.preference.Preference;
 import androidx.preference.PreferenceScreen;
 import androidx.preference.SwitchPreference;
 
-import com.android.internal.telephony.TelephonyIntents;
 import com.android.settings.AirplaneModeEnabler;
 import com.android.settings.R;
 import com.android.settings.core.TogglePreferenceController;
@@ -77,7 +77,7 @@
             // In ECM mode launch ECM app dialog
             if (mFragment != null) {
                 mFragment.startActivityForResult(
-                        new Intent(TelephonyIntents.ACTION_SHOW_NOTICE_ECM_BLOCK_OTHERS, null),
+                        new Intent(TelephonyManager.ACTION_SHOW_NOTICE_ECM_BLOCK_OTHERS, null),
                         REQUEST_CODE_EXIT_ECM);
             }
             return true;
diff --git a/src/com/android/settings/network/MobileDataContentObserver.java b/src/com/android/settings/network/MobileDataContentObserver.java
index b8a1c8c..15e726f 100644
--- a/src/com/android/settings/network/MobileDataContentObserver.java
+++ b/src/com/android/settings/network/MobileDataContentObserver.java
@@ -33,9 +33,13 @@
         super(handler);
     }
 
-    public static Uri getObservableUri(int subId) {
+    /**
+     * Return a URI of mobile data(ON vs OFF)
+     */
+    public static Uri getObservableUri(Context context, int subId) {
         Uri uri = Settings.Global.getUriFor(Settings.Global.MOBILE_DATA);
-        if (TelephonyManager.getDefault().getSimCount() != 1) {
+        TelephonyManager telephonyManager = context.getSystemService(TelephonyManager.class);
+        if (telephonyManager.getSimCount() != 1) {
             uri = Settings.Global.getUriFor(Settings.Global.MOBILE_DATA + subId);
         }
         return uri;
@@ -54,7 +58,7 @@
     }
 
     public void register(Context context, int subId) {
-        final Uri uri = getObservableUri(subId);
+        final Uri uri = getObservableUri(context, subId);
         context.getContentResolver().registerContentObserver(uri, false, this);
 
     }
diff --git a/src/com/android/settings/network/telephony/MobileDataSlice.java b/src/com/android/settings/network/telephony/MobileDataSlice.java
index 152028c..c70ae1a 100644
--- a/src/com/android/settings/network/telephony/MobileDataSlice.java
+++ b/src/com/android/settings/network/telephony/MobileDataSlice.java
@@ -252,7 +252,7 @@
             }
 
             public void register(Context context, int subId) {
-                final Uri uri = MobileDataContentObserver.getObservableUri(subId);
+                final Uri uri = MobileDataContentObserver.getObservableUri(context, subId);
                 context.getContentResolver().registerContentObserver(uri, false, this);
             }
 
diff --git a/src/com/android/settings/network/telephony/MobileNetworkSettings.java b/src/com/android/settings/network/telephony/MobileNetworkSettings.java
index 2c3cd3a..90d8d4e 100644
--- a/src/com/android/settings/network/telephony/MobileNetworkSettings.java
+++ b/src/com/android/settings/network/telephony/MobileNetworkSettings.java
@@ -34,7 +34,6 @@
 import androidx.annotation.VisibleForTesting;
 import androidx.preference.Preference;
 
-import com.android.internal.telephony.TelephonyIntents;
 import com.android.settings.R;
 import com.android.settings.dashboard.RestrictedDashboardFragment;
 import com.android.settings.datausage.BillingCyclePreferenceController;
@@ -98,7 +97,7 @@
                 || TextUtils.equals(key, BUTTON_CDMA_SUBSCRIPTION_KEY)) {
             if (mTelephonyManager.getEmergencyCallbackMode()) {
                 startActivityForResult(
-                        new Intent(TelephonyIntents.ACTION_SHOW_NOTICE_ECM_BLOCK_OTHERS, null),
+                        new Intent(TelephonyManager.ACTION_SHOW_NOTICE_ECM_BLOCK_OTHERS, null),
                         REQUEST_CODE_EXIT_ECM);
                 mClickedPrefKey = key;
             }
diff --git a/src/com/android/settings/password/BiometricFragment.java b/src/com/android/settings/password/BiometricFragment.java
index 9898719..fe0740b 100644
--- a/src/com/android/settings/password/BiometricFragment.java
+++ b/src/com/android/settings/password/BiometricFragment.java
@@ -16,8 +16,6 @@
 
 package com.android.settings.password;
 
-import android.app.Activity;
-import android.app.admin.DevicePolicyManager;
 import android.app.settings.SettingsEnums;
 import android.content.DialogInterface;
 import android.hardware.biometrics.BiometricConstants;
@@ -26,16 +24,10 @@
 import android.hardware.biometrics.BiometricPrompt.AuthenticationResult;
 import android.os.Bundle;
 import android.os.CancellationSignal;
-import android.os.Handler;
-import android.os.Looper;
-import android.util.Log;
 
 import androidx.annotation.NonNull;
 
-import com.android.internal.widget.LockPatternUtils;
-import com.android.settings.R;
 import com.android.settings.core.InstrumentedFragment;
-import com.android.settings.overlay.FeatureFactory;
 
 import java.util.concurrent.Executor;
 
@@ -139,7 +131,9 @@
                 .setSubtitle(mBundle.getString(BiometricPrompt.KEY_SUBTITLE))
                 .setDescription(mBundle.getString(BiometricPrompt.KEY_DESCRIPTION))
                 .setConfirmationRequired(
-                        mBundle.getBoolean(BiometricPrompt.KEY_REQUIRE_CONFIRMATION, true));
+                        mBundle.getBoolean(BiometricPrompt.KEY_REQUIRE_CONFIRMATION, true))
+                .setDisallowBiometricsIfPolicyExists(mBundle.getBoolean(
+                        BiometricPrompt.EXTRA_DISALLOW_BIOMETRICS_IF_POLICY_EXISTS, false));
 
         mBiometricPrompt = builder.build();
         mCancellationSignal = new CancellationSignal();
diff --git a/src/com/android/settings/password/ConfirmDeviceCredentialActivity.java b/src/com/android/settings/password/ConfirmDeviceCredentialActivity.java
index bf8c571..912b600 100644
--- a/src/com/android/settings/password/ConfirmDeviceCredentialActivity.java
+++ b/src/com/android/settings/password/ConfirmDeviceCredentialActivity.java
@@ -25,7 +25,6 @@
 import android.app.trust.TrustManager;
 import android.content.Context;
 import android.content.Intent;
-import android.content.pm.PackageManager;
 import android.hardware.biometrics.BiometricConstants;
 import android.hardware.biometrics.BiometricManager;
 import android.hardware.biometrics.BiometricPrompt;
@@ -54,10 +53,11 @@
     public static final String TAG = ConfirmDeviceCredentialActivity.class.getSimpleName();
 
     /**
-     * If the intent is sent from {@link com.android.systemui.keyguard.WorkLockActivity} then
-     * check for device policy management flags.
+     * If the intent is sent from {@link com.android.systemui.keyguard.WorkLockActivityController}
+     * then check for device policy management flags.
      */
-    public static final String EXTRA_FROM_WORK_LOCK_ACTIVITY = "from_work_lock_activity";
+    public static final String EXTRA_FROM_WORK_LOCK_ACTIVITY_CONTROLLER =
+            "from_work_lock_activity_controller";
 
     // The normal flow that apps go through
     private static final int CREDENTIAL_NORMAL = 1;
@@ -98,7 +98,7 @@
     private ChooseLockSettingsHelper mChooseLockSettingsHelper;
     private Handler mHandler = new Handler(Looper.getMainLooper());
     private Context mContext;
-    private boolean mFromWorkLockActivity;
+    private boolean mCheckDevicePolicyManager;
 
     private String mTitle;
     private String mDetails;
@@ -159,7 +159,8 @@
 
         Intent intent = getIntent();
         mContext = this;
-        mFromWorkLockActivity = intent.getBooleanExtra(EXTRA_FROM_WORK_LOCK_ACTIVITY, false);
+        mCheckDevicePolicyManager = intent
+                .getBooleanExtra(BiometricPrompt.EXTRA_DISALLOW_BIOMETRICS_IF_POLICY_EXISTS, false);
         mTitle = intent.getStringExtra(KeyguardManager.EXTRA_TITLE);
         mDetails = intent.getStringExtra(KeyguardManager.EXTRA_DESCRIPTION);
         String alternateButton = intent.getStringExtra(
@@ -189,6 +190,8 @@
         mDetails = bpBundle.getString(BiometricPrompt.KEY_SUBTITLE);
         bpBundle.putString(BiometricPrompt.KEY_TITLE, mTitle);
         bpBundle.putString(BiometricPrompt.KEY_DESCRIPTION, mDetails);
+        bpBundle.putBoolean(BiometricPrompt.EXTRA_DISALLOW_BIOMETRICS_IF_POLICY_EXISTS,
+                mCheckDevicePolicyManager);
 
         boolean launchedBiometric = false;
         boolean launchedCDC = false;
@@ -201,7 +204,7 @@
         } else if (isManagedProfile && isInternalActivity()
                 && !lockPatternUtils.isSeparateProfileChallengeEnabled(mUserId)) {
             mCredentialMode = CREDENTIAL_MANAGED;
-            if (mFromWorkLockActivity && isBiometricAllowed(effectiveUserId, mUserId)) {
+            if (isBiometricAllowed(effectiveUserId, mUserId)) {
                 showBiometricPrompt(bpBundle);
                 launchedBiometric = true;
             } else {
@@ -267,42 +270,9 @@
                 || !mUserManager.isUserUnlocked(mUserId);
     }
 
-    /**
-     * TODO: Pass a list of disabled features to an internal BiometricPrompt API, so we can
-     * potentially show different modalities on multi-auth devices.
-     *
-     * @param effectiveUserId
-     * @return false if their exists one biometric on the device which is not disabled by the
-     * policy manager.
-     */
-    private boolean isBiometricDisabledByAdmin(int effectiveUserId) {
-        final int disabledFeatures =
-            mDevicePolicyManager.getKeyguardDisabledFeatures(null, effectiveUserId);
-
-        final PackageManager pm = mContext.getPackageManager();
-        if (pm.hasSystemFeature(PackageManager.FEATURE_FINGERPRINT)
-            && (disabledFeatures & DevicePolicyManager.KEYGUARD_DISABLE_FINGERPRINT) == 0) {
-            Log.d(TAG,"Fingerprint enabled & allowed by device policy manager");
-            return false;
-        }
-        if (pm.hasSystemFeature(PackageManager.FEATURE_IRIS)
-            && (disabledFeatures & DevicePolicyManager.KEYGUARD_DISABLE_IRIS) == 0) {
-            Log.d(TAG,"Iris enabled & allowed by device policy manager");
-            return false;
-        }
-        if (pm.hasSystemFeature(PackageManager.FEATURE_FACE)
-            && (disabledFeatures & DevicePolicyManager.KEYGUARD_DISABLE_FACE) == 0) {
-            Log.d(TAG,"Face enabled & allowed by device policy manager");
-            return false;
-        }
-
-        return true;
-    }
-
     private boolean isBiometricAllowed(int effectiveUserId, int realUserId) {
-        return !isStrongAuthRequired(effectiveUserId)
-                && !isBiometricDisabledByAdmin(effectiveUserId)
-                && !mLockPatternUtils.hasPendingEscrowToken(realUserId);
+        return !isStrongAuthRequired(effectiveUserId) && !mLockPatternUtils
+                .hasPendingEscrowToken(realUserId);
     }
 
     private void showBiometricPrompt(Bundle bundle) {
@@ -346,7 +316,7 @@
                     .launchConfirmationActivityWithExternalAndChallenge(
                             0 /* request code */, null /* title */, mTitle, mDetails,
                             true /* isExternal */, 0L /* challenge */, mUserId);
-        } else if (mCredentialMode == CREDENTIAL_NORMAL){
+        } else if (mCredentialMode == CREDENTIAL_NORMAL) {
             launched = mChooseLockSettingsHelper.launchConfirmationActivity(
                     0 /* request code */, null /* title */,
                     mTitle, mDetails, false /* returnCredentials */, true /* isExternal */,
diff --git a/tests/robotests/src/com/android/settings/accounts/AccountDashboardFragmentTest.java b/tests/robotests/src/com/android/settings/accounts/AccountDashboardFragmentTest.java
index 0060875..fe57090 100644
--- a/tests/robotests/src/com/android/settings/accounts/AccountDashboardFragmentTest.java
+++ b/tests/robotests/src/com/android/settings/accounts/AccountDashboardFragmentTest.java
@@ -17,26 +17,55 @@
 
 import static com.google.common.truth.Truth.assertThat;
 
+import static org.mockito.ArgumentMatchers.anyInt;
+import static org.mockito.Mockito.doReturn;
+import static org.mockito.Mockito.spy;
+import static org.mockito.Mockito.when;
+
+import android.accounts.Account;
+import android.accounts.AccountManager;
+import android.content.Context;
+import android.content.pm.UserInfo;
+import android.os.UserManager;
 import android.provider.SearchIndexableResource;
 
 import com.android.settingslib.drawer.CategoryKey;
+import com.android.settingslib.search.SearchIndexableRaw;
 
 import org.junit.Before;
 import org.junit.Test;
 import org.junit.runner.RunWith;
+import org.mockito.Mock;
+import org.mockito.MockitoAnnotations;
 import org.robolectric.RobolectricTestRunner;
 import org.robolectric.RuntimeEnvironment;
 
+import java.util.ArrayList;
 import java.util.List;
 
 @RunWith(RobolectricTestRunner.class)
 public class AccountDashboardFragmentTest {
 
+    private static final int PROFILE_ID = 10;
+    private static final String PROFILE_NAME = "User";
+    private static final String ACCOUNT_TYPE = "com.android.settings";
+    private static final String ACCOUNT_NAME = "test account";
+
+    @Mock
+    private UserManager mUserManager;
+    @Mock
+    private AccountManager mAccountManager;
+
+    private Context mContext;
     private AccountDashboardFragment mFragment;
 
     @Before
     public void setUp() {
+        MockitoAnnotations.initMocks(this);
+        mContext = spy(RuntimeEnvironment.application);
         mFragment = new AccountDashboardFragment();
+
+        doReturn(mUserManager).when(mContext).getSystemService(Context.USER_SERVICE);
     }
 
     @Test
@@ -45,7 +74,7 @@
     }
 
     @Test
-    public void testSearchIndexProvider_shouldIndexResource() {
+    public void searchIndexProvider_shouldIndexResource() {
         final List<SearchIndexableResource> indexRes =
                 AccountDashboardFragment.SEARCH_INDEX_DATA_PROVIDER
                         .getXmlResourcesToIndex(RuntimeEnvironment.application, true /* enabled */);
@@ -53,4 +82,36 @@
         assertThat(indexRes).isNotNull();
         assertThat(indexRes.get(0).xmlResId).isEqualTo(mFragment.getPreferenceScreenResId());
     }
+
+    @Test
+    public void searchIndexProvider_hasManagedProfile_shouldNotIndex() {
+        final List<UserInfo> infos = new ArrayList<>();
+        infos.add(new UserInfo(PROFILE_ID, PROFILE_NAME, UserInfo.FLAG_MANAGED_PROFILE));
+        doReturn(infos).when(mUserManager).getProfiles(anyInt());
+
+        final List<SearchIndexableRaw> indexRaws =
+                AccountDashboardFragment.SEARCH_INDEX_DATA_PROVIDER
+                        .getDynamicRawDataToIndex(mContext, true /* enabled */);
+
+        assertThat(indexRaws).isEmpty();
+    }
+
+    @Test
+    public void searchIndexProvider_hasAccounts_shouldIndex() {
+        final List<UserInfo> infos = new ArrayList<>();
+        infos.add(new UserInfo(PROFILE_ID, PROFILE_NAME, UserInfo.FLAG_PRIMARY));
+        doReturn(infos).when(mUserManager).getProfiles(anyInt());
+
+        final Account[] accounts = {
+                new Account(ACCOUNT_NAME, ACCOUNT_TYPE)
+        };
+        when(AccountManager.get(mContext)).thenReturn(mAccountManager);
+        doReturn(accounts).when(mAccountManager).getAccounts();
+
+        final List<SearchIndexableRaw> indexRaws =
+                AccountDashboardFragment.SEARCH_INDEX_DATA_PROVIDER
+                        .getDynamicRawDataToIndex(mContext, true /* enabled */);
+
+        assertThat(indexRaws).isNotEmpty();
+    }
 }
diff --git a/tests/robotests/src/com/android/settings/development/MockLocationAppPreferenceControllerTest.java b/tests/robotests/src/com/android/settings/development/MockLocationAppPreferenceControllerTest.java
index 3be4347..0a8f7d6 100644
--- a/tests/robotests/src/com/android/settings/development/MockLocationAppPreferenceControllerTest.java
+++ b/tests/robotests/src/com/android/settings/development/MockLocationAppPreferenceControllerTest.java
@@ -146,6 +146,6 @@
     }
 
     private AppOpsManager.OpEntry createOpEntry(int opMode) {
-        return new OpEntry(0, opMode, new Pair[0]);
+        return new OpEntry(0, opMode, Collections.emptyMap());
     }
 }
diff --git a/tests/robotests/src/com/android/settings/fuelgauge/RestrictAppPreferenceControllerTest.java b/tests/robotests/src/com/android/settings/fuelgauge/RestrictAppPreferenceControllerTest.java
index 1febbe4..598ef6e 100644
--- a/tests/robotests/src/com/android/settings/fuelgauge/RestrictAppPreferenceControllerTest.java
+++ b/tests/robotests/src/com/android/settings/fuelgauge/RestrictAppPreferenceControllerTest.java
@@ -54,6 +54,7 @@
 import org.robolectric.RobolectricTestRunner;
 
 import java.util.ArrayList;
+import java.util.Collections;
 import java.util.List;
 
 @RunWith(RobolectricTestRunner.class)
@@ -84,10 +85,12 @@
         MockitoAnnotations.initMocks(this);
         final List<AppOpsManager.OpEntry> allowOps = new ArrayList<>();
         allowOps.add(new AppOpsManager.OpEntry(
-                AppOpsManager.OP_RUN_ANY_IN_BACKGROUND, AppOpsManager.MODE_ALLOWED, new Pair[0]));
+                AppOpsManager.OP_RUN_ANY_IN_BACKGROUND, AppOpsManager.MODE_ALLOWED,
+                Collections.emptyMap()));
         final List<AppOpsManager.OpEntry> restrictedOps = new ArrayList<>();
         restrictedOps.add(new AppOpsManager.OpEntry(
-                AppOpsManager.OP_RUN_ANY_IN_BACKGROUND, AppOpsManager.MODE_IGNORED, new Pair[0]));
+                AppOpsManager.OP_RUN_ANY_IN_BACKGROUND, AppOpsManager.MODE_IGNORED,
+                Collections.emptyMap()));
         mAllowedPackageOps = new AppOpsManager.PackageOps(
                 ALLOWED_PACKAGE_NAME, ALLOWED_UID, allowOps);
         mRestrictedPackageOps = new AppOpsManager.PackageOps(
diff --git a/tests/robotests/src/com/android/settings/gestures/BackGestureIndicatorViewTest.java b/tests/robotests/src/com/android/settings/gestures/BackGestureIndicatorViewTest.java
new file mode 100644
index 0000000..8d43aaa
--- /dev/null
+++ b/tests/robotests/src/com/android/settings/gestures/BackGestureIndicatorViewTest.java
@@ -0,0 +1,64 @@
+/*
+ * 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.android.settings.gestures;
+
+import static org.junit.Assert.assertEquals;
+
+import android.content.Context;
+import android.widget.ImageView;
+
+import com.android.settings.R;
+
+import org.junit.Before;
+import org.junit.Test;
+import org.junit.runner.RunWith;
+import org.mockito.MockitoAnnotations;
+import org.robolectric.RobolectricTestRunner;
+import org.robolectric.RuntimeEnvironment;
+
+@RunWith(RobolectricTestRunner.class)
+public class BackGestureIndicatorViewTest {
+
+    private Context mContext;
+
+    private BackGestureIndicatorDrawable mLeftDrawable;
+    private BackGestureIndicatorDrawable mRightDrawable;
+
+    private BackGestureIndicatorView mView;
+
+    @Before
+    public void setUp() {
+        MockitoAnnotations.initMocks(this);
+
+        mContext = RuntimeEnvironment.application;
+        mView = new BackGestureIndicatorView(mContext);
+
+        mLeftDrawable = (BackGestureIndicatorDrawable) ((ImageView) mView.findViewById(
+                R.id.indicator_left)).getDrawable();
+        mRightDrawable = (BackGestureIndicatorDrawable) ((ImageView) mView.findViewById(
+                R.id.indicator_right)).getDrawable();
+    }
+
+    @Test
+    public void testSetIndicatoreWidth() {
+        mView.setIndicatorWidth(25, true);
+        mView.setIndicatorWidth(52, false);
+
+        assertEquals(25, mLeftDrawable.getWidth());
+        assertEquals(52, mRightDrawable.getWidth());
+    }
+}