Move DevOptionsPrefCtrl to SettingsLib

- Move DeveloperOptionsPreferenceController

Bug: 34203528
Test: make RunSettingsRoboTests -j40
Change-Id: Ie434d479d8d3f7527ffce54f241ac2e090e0fc44

src/com/android/settings/development/AdbPreferenceController.java

@@ -27,8 +27,11 @@ import android.support.v4.content.LocalBroadcastManager;
 import android.support.v7.preference.Preference;
 import android.support.v7.preference.PreferenceScreen;
 
+import com.android.settings.core.PreferenceControllerMixin;
+import com.android.settingslib.development.DeveloperOptionsPreferenceController;
+
 public class AdbPreferenceController extends DeveloperOptionsPreferenceController implements
-        Preference.OnPreferenceChangeListener {
+        Preference.OnPreferenceChangeListener, PreferenceControllerMixin {
 
     public static final String ADB_STATE_CHANGED =
             "com.android.settings.development.AdbPreferenceController.ADB_STATE_CHANGED";

src/com/android/settings/development/AllowAppsOnExternalPreferenceController.java

@@ -23,8 +23,12 @@ import android.support.v14.preference.SwitchPreference;
 import android.support.v7.preference.Preference;
 import android.support.v7.preference.PreferenceScreen;
 
+import com.android.settings.core.PreferenceControllerMixin;
+import com.android.settingslib.development.DeveloperOptionsPreferenceController;
+
 public class AllowAppsOnExternalPreferenceController extends
-        DeveloperOptionsPreferenceController implements Preference.OnPreferenceChangeListener {
+        DeveloperOptionsPreferenceController implements Preference.OnPreferenceChangeListener,
+        PreferenceControllerMixin {
 
     private static final String FORCE_ALLOW_ON_EXTERNAL_KEY = "force_allow_on_external";
 

src/com/android/settings/development/AppsNotRespondingPreferenceController.java

@@ -22,8 +22,12 @@ import android.support.v14.preference.SwitchPreference;
 import android.support.v7.preference.Preference;
 import android.support.v7.preference.PreferenceScreen;
 
+import com.android.settings.core.PreferenceControllerMixin;
+import com.android.settingslib.development.DeveloperOptionsPreferenceController;
+
 public class AppsNotRespondingPreferenceController extends
-        DeveloperOptionsPreferenceController implements Preference.OnPreferenceChangeListener {
+        DeveloperOptionsPreferenceController implements Preference.OnPreferenceChangeListener,
+        PreferenceControllerMixin {
 
     private static final String SHOW_ALL_ANRS_KEY = "show_all_anrs";
 

src/com/android/settings/development/BluetoothAbsoluteVolumePreferenceController.java

@@ -23,8 +23,12 @@ import android.support.v14.preference.SwitchPreference;
 import android.support.v7.preference.Preference;
 import android.support.v7.preference.PreferenceScreen;
 
+import com.android.settings.core.PreferenceControllerMixin;
+import com.android.settingslib.development.DeveloperOptionsPreferenceController;
+
 public class BluetoothAbsoluteVolumePreferenceController extends
-        DeveloperOptionsPreferenceController implements Preference.OnPreferenceChangeListener {
+        DeveloperOptionsPreferenceController implements Preference.OnPreferenceChangeListener,
+        PreferenceControllerMixin {
 
     private static final String BLUETOOTH_DISABLE_ABSOLUTE_VOLUME_KEY =
             "bluetooth_disable_absolute_volume";

src/com/android/settings/development/BluetoothDeviceNoNamePreferenceController.java

@@ -23,8 +23,12 @@ import android.support.v14.preference.SwitchPreference;
 import android.support.v7.preference.Preference;
 import android.support.v7.preference.PreferenceScreen;
 
+import com.android.settings.core.PreferenceControllerMixin;
+import com.android.settingslib.development.DeveloperOptionsPreferenceController;
+
 public class BluetoothDeviceNoNamePreferenceController extends
-        DeveloperOptionsPreferenceController implements Preference.OnPreferenceChangeListener {
+        DeveloperOptionsPreferenceController implements Preference.OnPreferenceChangeListener,
+        PreferenceControllerMixin {
 
     private static final String BLUETOOTH_SHOW_DEVICES_WITHOUT_NAMES_KEY =
             "bluetooth_show_devices_without_names";

src/com/android/settings/development/BluetoothInbandRingingPreferenceController.java

@@ -24,8 +24,12 @@ import android.support.v14.preference.SwitchPreference;
 import android.support.v7.preference.Preference;
 import android.support.v7.preference.PreferenceScreen;
 
+import com.android.settings.core.PreferenceControllerMixin;
+import com.android.settingslib.development.DeveloperOptionsPreferenceController;
+
 public class BluetoothInbandRingingPreferenceController extends
-        DeveloperOptionsPreferenceController implements Preference.OnPreferenceChangeListener {
+        DeveloperOptionsPreferenceController implements Preference.OnPreferenceChangeListener,
+        PreferenceControllerMixin {
 
     private static final String BLUETOOTH_ENABLE_INBAND_RINGING_KEY =
             "bluetooth_enable_inband_ringing";

src/com/android/settings/development/BluetoothSnoopLogPreferenceController.java

@@ -23,8 +23,12 @@ import android.support.v14.preference.SwitchPreference;
 import android.support.v7.preference.Preference;
 import android.support.v7.preference.PreferenceScreen;
 
+import com.android.settings.core.PreferenceControllerMixin;
+import com.android.settingslib.development.DeveloperOptionsPreferenceController;
+
 public class BluetoothSnoopLogPreferenceController extends
-        DeveloperOptionsPreferenceController implements Preference.OnPreferenceChangeListener {
+        DeveloperOptionsPreferenceController implements Preference.OnPreferenceChangeListener,
+        PreferenceControllerMixin {
 
     private static final String PREFERENCE_KEY = "bt_hci_snoop_log";
     @VisibleForTesting

src/com/android/settings/development/BugReportInPowerPreferenceControllerV2.java

@@ -26,10 +26,13 @@ import android.support.v14.preference.SwitchPreference;
 import android.support.v7.preference.Preference;
 import android.support.v7.preference.PreferenceScreen;
 
+import com.android.settings.core.PreferenceControllerMixin;
+import com.android.settingslib.development.DeveloperOptionsPreferenceController;
 import com.android.settingslib.wrapper.PackageManagerWrapper;
 
 public class BugReportInPowerPreferenceControllerV2 extends
-        DeveloperOptionsPreferenceController implements Preference.OnPreferenceChangeListener {
+        DeveloperOptionsPreferenceController implements Preference.OnPreferenceChangeListener,
+        PreferenceControllerMixin {
 
     private static final String KEY_BUGREPORT_IN_POWER = "bugreport_in_power";
 

src/com/android/settings/development/BugReportPreferenceControllerV2.java

@@ -19,7 +19,11 @@ package com.android.settings.development;
 import android.content.Context;
 import android.os.UserManager;
 
-public class BugReportPreferenceControllerV2 extends DeveloperOptionsPreferenceController {
+import com.android.settings.core.PreferenceControllerMixin;
+import com.android.settingslib.development.DeveloperOptionsPreferenceController;
+
+public class BugReportPreferenceControllerV2 extends DeveloperOptionsPreferenceController implements
+        PreferenceControllerMixin {
 
     private static final String KEY_BUGREPORT = "bugreport";
 

src/com/android/settings/development/CameraHalHdrPlusPreferenceControllerV2.java

@@ -26,10 +26,12 @@ import android.widget.Toast;
 
 import com.android.internal.annotations.VisibleForTesting;
 import com.android.settings.R;
+import com.android.settings.core.PreferenceControllerMixin;
+import com.android.settingslib.development.DeveloperOptionsPreferenceController;
 
 public class CameraHalHdrPlusPreferenceControllerV2 extends
         DeveloperOptionsPreferenceController implements
-        Preference.OnPreferenceChangeListener {
+        Preference.OnPreferenceChangeListener, PreferenceControllerMixin {
 
     private static final String KEY_CAMERA_HAL_HDRPLUS_SWITCH = "camera_hal_hdrplus_switch";
     @VisibleForTesting

src/com/android/settings/development/CameraLaserSensorPreferenceControllerV2.java

@@ -26,10 +26,12 @@ import android.text.TextUtils;
 
 import com.android.internal.annotations.VisibleForTesting;
 import com.android.settings.R;
+import com.android.settings.core.PreferenceControllerMixin;
+import com.android.settingslib.development.DeveloperOptionsPreferenceController;
 
 public class CameraLaserSensorPreferenceControllerV2 extends
         DeveloperOptionsPreferenceController implements
-        Preference.OnPreferenceChangeListener {
+        Preference.OnPreferenceChangeListener, PreferenceControllerMixin {
 
     private static final String KEY_CAMERA_LASER_SENSOR_SWITCH = "camera_laser_sensor_switch";
     @VisibleForTesting

src/com/android/settings/development/ClearAdbKeysPreferenceController.java

@@ -28,7 +28,11 @@ import android.support.v7.preference.PreferenceScreen;
 import android.text.TextUtils;
 import android.util.Log;
 
-public class ClearAdbKeysPreferenceController extends DeveloperOptionsPreferenceController {
+import com.android.settings.core.PreferenceControllerMixin;
+import com.android.settingslib.development.DeveloperOptionsPreferenceController;
+
+public class ClearAdbKeysPreferenceController extends
+        DeveloperOptionsPreferenceController implements PreferenceControllerMixin {
 
     private static final String TAG = "ClearAdbPrefCtrl";
     private static final String CLEAR_ADB_KEYS = "clear_adb_keys";

src/com/android/settings/development/ConnectivityMonitorPreferenceControllerV2.java

@@ -26,9 +26,12 @@ import android.widget.Toast;
 
 import com.android.internal.annotations.VisibleForTesting;
 import com.android.settings.R;
+import com.android.settings.core.PreferenceControllerMixin;
+import com.android.settingslib.development.DeveloperOptionsPreferenceController;
 
 public class ConnectivityMonitorPreferenceControllerV2 extends
-        DeveloperOptionsPreferenceController implements Preference.OnPreferenceChangeListener {
+        DeveloperOptionsPreferenceController implements Preference.OnPreferenceChangeListener,
+        PreferenceControllerMixin {
 
     private static final String KEY_CONNECTIVITY_MONITOR_SWITCH = "connectivity_monitor_switch";
     @VisibleForTesting

src/com/android/settings/development/CoolColorTemperaturePreferenceController.java

@@ -25,11 +25,13 @@ import android.support.v7.preference.PreferenceScreen;
 import android.widget.Toast;
 
 import com.android.settings.R;
+import com.android.settings.core.PreferenceControllerMixin;
+import com.android.settingslib.development.DeveloperOptionsPreferenceController;
 import com.android.settingslib.development.SystemPropPoker;
 
 public class CoolColorTemperaturePreferenceController extends
         DeveloperOptionsPreferenceController implements
-        Preference.OnPreferenceChangeListener {
+        Preference.OnPreferenceChangeListener, PreferenceControllerMixin {
 
     private static final String COLOR_TEMPERATURE_KEY = "color_temperature";
 

src/com/android/settings/development/DebugViewAttributesPreferenceController.java

@@ -23,8 +23,12 @@ import android.support.v14.preference.SwitchPreference;
 import android.support.v7.preference.Preference;
 import android.support.v7.preference.PreferenceScreen;
 
+import com.android.settings.core.PreferenceControllerMixin;
+import com.android.settingslib.development.DeveloperOptionsPreferenceController;
+
 public class DebugViewAttributesPreferenceController extends
-        DeveloperOptionsPreferenceController implements Preference.OnPreferenceChangeListener {
+        DeveloperOptionsPreferenceController implements Preference.OnPreferenceChangeListener,
+        PreferenceControllerMixin {
 
     private static final String DEBUG_VIEW_ATTRIBUTES_KEY = "debug_view_attributes";
 

src/com/android/settings/development/DeveloperOptionsPreferenceController.java

@@ -1,92 +0,0 @@
-/*
- * Copyright (C) 2017 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.development;
-
-import android.content.Context;
-import android.content.Intent;
-
-import com.android.settings.core.PreferenceControllerMixin;
-import com.android.settingslib.core.AbstractPreferenceController;
-
-/**
- * This controller is used handle changes for the master switch in the developer options page.
- *
- * All Preference Controllers that are a part of the developer options page should inherit this
- * class.
- */
-public abstract class DeveloperOptionsPreferenceController extends
-        AbstractPreferenceController implements PreferenceControllerMixin {
-
-    public DeveloperOptionsPreferenceController(Context context) {
-        super(context);
-    }
-
-    /**
-     * Called when an activity returns to the DeveloperSettingsDashboardFragment.
-     *
-     * @param requestCode The integer request code originally supplied to
-     *                    startActivityForResult(), allowing you to identify who this
-     *                    result came from.
-     * @param resultCode  The integer result code returned by the child activity
-     *                    through its setResult().
-     * @param data        An Intent, which can return result data to the caller
-     *                    (various data can be attached to Intent "extras").
-     * @return true if the controller handled the activity result
-     */
-    public boolean onActivityResult(int requestCode, int resultCode, Intent data) {
-        return false;
-    }
-
-    /**
-     * Child classes should override this method to create custom logic for hiding preferences.
-     *
-     * @return true if the preference is to be displayed.
-     */
-    @Override
-    public boolean isAvailable() {
-        return true;
-    }
-
-    /**
-     * Called when developer options is enabled
-     */
-    public void onDeveloperOptionsEnabled() {
-        if (isAvailable()) {
-            onDeveloperOptionsSwitchEnabled();
-        }
-    }
-
-    /**
-     * Called when developer options is disabled
-     */
-    public void onDeveloperOptionsDisabled() {
-        if (isAvailable()) {
-            onDeveloperOptionsSwitchDisabled();
-        }
-    }
-
-    /**
-     * Called when developer options is enabled and the preference is available
-     */
-    protected abstract void onDeveloperOptionsSwitchEnabled();
-
-    /**
-     * Called when developer options is disabled and the preference is available
-     */
-    protected abstract void onDeveloperOptionsSwitchDisabled();
-
-}

src/com/android/settings/development/DevelopmentSettingsDashboardFragment.java

@@ -42,6 +42,7 @@ import com.android.settings.search.Indexable;
 import com.android.settings.widget.SwitchBar;
 import com.android.settingslib.core.AbstractPreferenceController;
 import com.android.settingslib.core.lifecycle.Lifecycle;
+import com.android.settingslib.development.DeveloperOptionsPreferenceController;
 import com.android.settingslib.development.DevelopmentSettingsEnabler;
 import com.android.settingslib.development.SystemPropPoker;
 
@@ -182,11 +183,11 @@ public class DevelopmentSettingsDashboardFragment extends RestrictedDashboardFra
     public void onActivityResult(int requestCode, int resultCode, Intent data) {
         boolean handledResult = false;
         for (AbstractPreferenceController controller : mPreferenceControllers) {
-            if (controller instanceof DeveloperOptionsPreferenceController) {
+            if (controller instanceof OnActivityResultListener) {
                 // We do not break early because it is possible for multiple controllers to
                 // handle the same result code.
                 handledResult |=
-                        ((DeveloperOptionsPreferenceController) controller).onActivityResult(
+                        ((OnActivityResultListener) controller).onActivityResult(
                                 requestCode, resultCode, data);
             }
         }

src/com/android/settings/development/DisableAutomaticUpdatesPreferenceController.java

@@ -23,9 +23,12 @@ import android.support.v14.preference.SwitchPreference;
 import android.support.v7.preference.Preference;
 import android.support.v7.preference.PreferenceScreen;
 
+import com.android.settings.core.PreferenceControllerMixin;
+import com.android.settingslib.development.DeveloperOptionsPreferenceController;
+
 public class DisableAutomaticUpdatesPreferenceController extends
         DeveloperOptionsPreferenceController implements
-        Preference.OnPreferenceChangeListener {
+        Preference.OnPreferenceChangeListener, PreferenceControllerMixin {
 
     private static final String OTA_DISABLE_AUTOMATIC_UPDATE_KEY = "ota_disable_automatic_update";
 

src/com/android/settings/development/FileEncryptionPreferenceController.java

@@ -27,8 +27,11 @@ import android.support.v7.preference.PreferenceScreen;
 import android.text.TextUtils;
 
 import com.android.settings.R;
+import com.android.settings.core.PreferenceControllerMixin;
+import com.android.settingslib.development.DeveloperOptionsPreferenceController;
 
-public class FileEncryptionPreferenceController extends DeveloperOptionsPreferenceController {
+public class FileEncryptionPreferenceController extends
+        DeveloperOptionsPreferenceController implements PreferenceControllerMixin {
 
     private static final String KEY_CONVERT_FBE = "convert_to_file_encryption";
     private static final String KEY_STORAGE_MANAGER = "mount";

src/com/android/settings/development/ForceGpuRenderingPreferenceController.java

@@ -23,10 +23,13 @@ import android.support.v14.preference.SwitchPreference;
 import android.support.v7.preference.Preference;
 import android.support.v7.preference.PreferenceScreen;
 
+import com.android.settings.core.PreferenceControllerMixin;
+import com.android.settingslib.development.DeveloperOptionsPreferenceController;
 import com.android.settingslib.development.SystemPropPoker;
 
 public class ForceGpuRenderingPreferenceController extends
-        DeveloperOptionsPreferenceController implements Preference.OnPreferenceChangeListener {
+        DeveloperOptionsPreferenceController implements Preference.OnPreferenceChangeListener,
+        PreferenceControllerMixin {
 
     private static final String FORCE_HARDWARE_UI_KEY = "force_hw_ui";
 

src/com/android/settings/development/ForceMSAAPreferenceController.java

@@ -23,10 +23,12 @@ import android.support.v14.preference.SwitchPreference;
 import android.support.v7.preference.Preference;
 import android.support.v7.preference.PreferenceScreen;
 
+import com.android.settings.core.PreferenceControllerMixin;
+import com.android.settingslib.development.DeveloperOptionsPreferenceController;
 import com.android.settingslib.development.SystemPropPoker;
 
 public class ForceMSAAPreferenceController extends DeveloperOptionsPreferenceController
-        implements Preference.OnPreferenceChangeListener {
+        implements Preference.OnPreferenceChangeListener, PreferenceControllerMixin {
 
     private static final String FORCE_MSAA_KEY = "force_msaa";
 

src/com/android/settings/development/GpuViewUpdatesPreferenceController.java

@@ -23,10 +23,13 @@ import android.support.v7.preference.Preference;
 import android.support.v7.preference.PreferenceScreen;
 import android.view.ThreadedRenderer;
 
+import com.android.settings.core.PreferenceControllerMixin;
+import com.android.settingslib.development.DeveloperOptionsPreferenceController;
 import com.android.settingslib.development.SystemPropPoker;
 
 public class GpuViewUpdatesPreferenceController extends
-        DeveloperOptionsPreferenceController implements Preference.OnPreferenceChangeListener {
+        DeveloperOptionsPreferenceController implements Preference.OnPreferenceChangeListener,
+        PreferenceControllerMixin {
 
     private static final String SHOW_HW_SCREEN_UPDATES_KEY = "show_hw_screen_updates";
 

src/com/android/settings/development/HardwareLayersUpdatesPreferenceController.java

@@ -23,10 +23,13 @@ import android.support.v7.preference.Preference;
 import android.support.v7.preference.PreferenceScreen;
 import android.view.ThreadedRenderer;
 
+import com.android.settings.core.PreferenceControllerMixin;
+import com.android.settingslib.development.DeveloperOptionsPreferenceController;
 import com.android.settingslib.development.SystemPropPoker;
 
 public class HardwareLayersUpdatesPreferenceController extends
-        DeveloperOptionsPreferenceController implements Preference.OnPreferenceChangeListener {
+        DeveloperOptionsPreferenceController implements Preference.OnPreferenceChangeListener,
+        PreferenceControllerMixin {
 
     private static final String SHOW_HW_LAYERS_UPDATES_KEY = "show_hw_layers_updates";
 

src/com/android/settings/development/HardwareOverlaysPreferenceController.java

@@ -26,8 +26,11 @@ import android.support.v14.preference.SwitchPreference;
 import android.support.v7.preference.Preference;
 import android.support.v7.preference.PreferenceScreen;
 
+import com.android.settings.core.PreferenceControllerMixin;
+import com.android.settingslib.development.DeveloperOptionsPreferenceController;
+
 public class HardwareOverlaysPreferenceController extends DeveloperOptionsPreferenceController
-        implements Preference.OnPreferenceChangeListener {
+        implements Preference.OnPreferenceChangeListener, PreferenceControllerMixin {
 
     private static final String DISABLE_OVERLAYS_KEY = "disable_overlays";
 

src/com/android/settings/development/HdcpCheckingPreferenceController.java

@@ -26,10 +26,13 @@ import android.support.v7.preference.PreferenceScreen;
 import android.text.TextUtils;
 
 import com.android.settings.R;
+import com.android.settings.core.PreferenceControllerMixin;
+import com.android.settingslib.development.DeveloperOptionsPreferenceController;
 import com.android.settingslib.development.SystemPropPoker;
 
 public class HdcpCheckingPreferenceController extends
-        DeveloperOptionsPreferenceController implements Preference.OnPreferenceChangeListener {
+        DeveloperOptionsPreferenceController implements Preference.OnPreferenceChangeListener,
+        PreferenceControllerMixin {
 
     private static final String HDCP_CHECKING_KEY = "hdcp_checking";
 

src/com/android/settings/development/KeepActivitiesPreferenceController.java

@@ -26,8 +26,11 @@ import android.support.v14.preference.SwitchPreference;
 import android.support.v7.preference.Preference;
 import android.support.v7.preference.PreferenceScreen;
 
+import com.android.settings.core.PreferenceControllerMixin;
+import com.android.settingslib.development.DeveloperOptionsPreferenceController;
+
 public class KeepActivitiesPreferenceController extends DeveloperOptionsPreferenceController
-        implements Preference.OnPreferenceChangeListener {
+        implements Preference.OnPreferenceChangeListener, PreferenceControllerMixin {
 
     private static final String IMMEDIATELY_DESTROY_ACTIVITIES_KEY =
             "immediately_destroy_activities";

src/com/android/settings/development/LocalBackupPasswordPreferenceController.java

@@ -26,8 +26,11 @@ import android.support.v7.preference.Preference;
 import android.support.v7.preference.PreferenceScreen;
 
 import com.android.settings.R;
+import com.android.settings.core.PreferenceControllerMixin;
+import com.android.settingslib.development.DeveloperOptionsPreferenceController;
 
-public class LocalBackupPasswordPreferenceController extends DeveloperOptionsPreferenceController {
+public class LocalBackupPasswordPreferenceController extends
+        DeveloperOptionsPreferenceController implements PreferenceControllerMixin {
 
     private static final String LOCAL_BACKUP_PASSWORD = "local_backup_password";
 

src/com/android/settings/development/LocalTerminalPreferenceController.java

@@ -8,10 +8,13 @@ import android.support.v14.preference.SwitchPreference;
 import android.support.v7.preference.Preference;
 import android.support.v7.preference.PreferenceScreen;
 
+import com.android.settings.core.PreferenceControllerMixin;
+import com.android.settingslib.development.DeveloperOptionsPreferenceController;
 import com.android.settingslib.wrapper.PackageManagerWrapper;
 
 public class LocalTerminalPreferenceController extends
-        DeveloperOptionsPreferenceController implements Preference.OnPreferenceChangeListener {
+        DeveloperOptionsPreferenceController implements Preference.OnPreferenceChangeListener,
+        PreferenceControllerMixin {
 
     private static final String ENABLE_TERMINAL_KEY = "enable_terminal";
 

src/com/android/settings/development/MobileDataAlwaysOnPreferenceController.java

@@ -23,8 +23,12 @@ import android.support.v14.preference.SwitchPreference;
 import android.support.v7.preference.Preference;
 import android.support.v7.preference.PreferenceScreen;
 
+import com.android.settings.core.PreferenceControllerMixin;
+import com.android.settingslib.development.DeveloperOptionsPreferenceController;
+
 public class MobileDataAlwaysOnPreferenceController extends
-        DeveloperOptionsPreferenceController implements Preference.OnPreferenceChangeListener {
+        DeveloperOptionsPreferenceController implements Preference.OnPreferenceChangeListener,
+        PreferenceControllerMixin {
 
     private static final String MOBILE_DATA_ALWAYS_ON = "mobile_data_always_on";
 

src/com/android/settings/development/MockLocationAppPreferenceController.java

@@ -31,11 +31,15 @@ import android.support.v7.preference.PreferenceScreen;
 import android.text.TextUtils;
 
 import com.android.settings.R;
+import com.android.settings.core.PreferenceControllerMixin;
+import com.android.settingslib.development.DeveloperOptionsPreferenceController;
 import com.android.settingslib.wrapper.PackageManagerWrapper;
 
 import java.util.List;
 
-public class MockLocationAppPreferenceController extends DeveloperOptionsPreferenceController {
+public class MockLocationAppPreferenceController extends
+        DeveloperOptionsPreferenceController implements PreferenceControllerMixin,
+        OnActivityResultListener {
 
     private static final String MOCK_LOCATION_APP_KEY = "mock_location_app";
     private static final int[] MOCK_LOCATION_APP_OPS = new int[]{AppOpsManager.OP_MOCK_LOCATION};

src/com/android/settings/development/NotificationChannelWarningsPreferenceController.java

@@ -24,8 +24,12 @@ import android.support.v14.preference.SwitchPreference;
 import android.support.v7.preference.Preference;
 import android.support.v7.preference.PreferenceScreen;
 
+import com.android.settings.core.PreferenceControllerMixin;
+import com.android.settingslib.development.DeveloperOptionsPreferenceController;
+
 public class NotificationChannelWarningsPreferenceController extends
-        DeveloperOptionsPreferenceController implements Preference.OnPreferenceChangeListener {
+        DeveloperOptionsPreferenceController implements Preference.OnPreferenceChangeListener,
+        PreferenceControllerMixin {
 
     private static final String SHOW_NOTIFICATION_CHANNEL_WARNINGS_KEY =
             "show_notification_channel_warnings";

src/com/android/settings/development/OemUnlockPreferenceController.java

@@ -32,11 +32,13 @@ import android.support.v7.preference.PreferenceScreen;
 import android.telephony.TelephonyManager;
 
 import com.android.settings.R;
+import com.android.settings.core.PreferenceControllerMixin;
 import com.android.settings.password.ChooseLockSettingsHelper;
 import com.android.settingslib.RestrictedSwitchPreference;
+import com.android.settingslib.development.DeveloperOptionsPreferenceController;
 
 public class OemUnlockPreferenceController extends DeveloperOptionsPreferenceController implements
-        Preference.OnPreferenceChangeListener {
+        Preference.OnPreferenceChangeListener, PreferenceControllerMixin, OnActivityResultListener {
 
     private static final String PREFERENCE_KEY = "oem_unlock_enable";
 

src/com/android/settings/development/OnActivityResultListener.java

@@ -0,0 +1,22 @@
+package com.android.settings.development;
+
+import android.content.Intent;
+
+/**
+ * Interface for activity result callbacks in the {@link DevelopmentSettingsDashboardFragment}
+ */
+public interface OnActivityResultListener {
+    /**
+     * Called when an activity returns to the {@link DevelopmentSettingsDashboardFragment}.
+     *
+     * @param requestCode The integer request code originally supplied to
+     *                    startActivityForResult(), allowing you to identify who this
+     *                    result came from.
+     * @param resultCode  The integer result code returned by the child activity
+     *                    through its setResult().
+     * @param data        An Intent, which can return result data to the caller
+     *                    (various data can be attached to Intent "extras").
+     * @return true if the controller handled the result.
+     */
+    boolean onActivityResult(int requestCode, int resultCode, Intent data);
+}

src/com/android/settings/development/PictureColorModePreferenceController.java

@@ -20,14 +20,16 @@ import android.content.Context;
 import android.support.annotation.VisibleForTesting;
 import android.support.v7.preference.PreferenceScreen;
 
+import com.android.settings.core.PreferenceControllerMixin;
 import com.android.settingslib.core.lifecycle.Lifecycle;
 import com.android.settingslib.core.lifecycle.LifecycleObserver;
 import com.android.settingslib.core.lifecycle.events.OnPause;
 import com.android.settingslib.core.lifecycle.events.OnResume;
+import com.android.settingslib.development.DeveloperOptionsPreferenceController;
 
 public class PictureColorModePreferenceController extends
         DeveloperOptionsPreferenceController implements
-        LifecycleObserver, OnResume, OnPause {
+        LifecycleObserver, OnResume, OnPause, PreferenceControllerMixin {
 
     private static final String KEY_COLOR_MODE = "picture_color_mode";
 

src/com/android/settings/development/PointerLocationPreferenceController.java

@@ -23,8 +23,11 @@ import android.support.v14.preference.SwitchPreference;
 import android.support.v7.preference.Preference;
 import android.support.v7.preference.PreferenceScreen;
 
+import com.android.settings.core.PreferenceControllerMixin;
+import com.android.settingslib.development.DeveloperOptionsPreferenceController;
+
 public class PointerLocationPreferenceController extends DeveloperOptionsPreferenceController
-        implements Preference.OnPreferenceChangeListener {
+        implements Preference.OnPreferenceChangeListener, PreferenceControllerMixin {
 
     private static final String POINTER_LOCATION_KEY = "pointer_location";
 

src/com/android/settings/development/ResizableActivityPreferenceController.java

@@ -23,8 +23,12 @@ import android.support.v14.preference.SwitchPreference;
 import android.support.v7.preference.Preference;
 import android.support.v7.preference.PreferenceScreen;
 
+import com.android.settings.core.PreferenceControllerMixin;
+import com.android.settingslib.development.DeveloperOptionsPreferenceController;
+
 public class ResizableActivityPreferenceController extends
-        DeveloperOptionsPreferenceController implements Preference.OnPreferenceChangeListener {
+        DeveloperOptionsPreferenceController implements Preference.OnPreferenceChangeListener,
+        PreferenceControllerMixin {
 
     private static final String FORCE_RESIZABLE_KEY = "force_resizable_activities";
 

src/com/android/settings/development/RtlLayoutPreferenceController.java

@@ -25,9 +25,11 @@ import android.support.v7.preference.Preference;
 import android.support.v7.preference.PreferenceScreen;
 
 import com.android.internal.app.LocalePicker;
+import com.android.settings.core.PreferenceControllerMixin;
+import com.android.settingslib.development.DeveloperOptionsPreferenceController;
 
 public class RtlLayoutPreferenceController extends DeveloperOptionsPreferenceController implements
-        Preference.OnPreferenceChangeListener {
+        Preference.OnPreferenceChangeListener, PreferenceControllerMixin {
 
     private static final String FORCE_RTL_LAYOUT_KEY = "force_rtl_layout_all_locales";
 

src/com/android/settings/development/SelectDebugAppPreferenceController.java

@@ -30,9 +30,13 @@ import android.support.v7.preference.Preference;
 import android.support.v7.preference.PreferenceScreen;
 
 import com.android.settings.R;
+import com.android.settings.core.PreferenceControllerMixin;
+import com.android.settingslib.development.DeveloperOptionsPreferenceController;
 import com.android.settingslib.wrapper.PackageManagerWrapper;
 
-public class SelectDebugAppPreferenceController extends DeveloperOptionsPreferenceController {
+public class SelectDebugAppPreferenceController extends
+        DeveloperOptionsPreferenceController implements PreferenceControllerMixin,
+        OnActivityResultListener {
 
     private static final String DEBUG_APP_KEY = "debug_app";
 

src/com/android/settings/development/SelectUsbConfigPreferenceController.java

@@ -29,14 +29,17 @@ import android.support.v7.preference.PreferenceScreen;
 import android.text.TextUtils;
 
 import com.android.settings.R;
+import com.android.settings.core.PreferenceControllerMixin;
 import com.android.settingslib.core.lifecycle.Lifecycle;
 import com.android.settingslib.core.lifecycle.LifecycleObserver;
 import com.android.settingslib.core.lifecycle.events.OnCreate;
 import com.android.settingslib.core.lifecycle.events.OnDestroy;
+import com.android.settingslib.development.DeveloperOptionsPreferenceController;
 
 public class SelectUsbConfigPreferenceController extends
         DeveloperOptionsPreferenceController implements
-        Preference.OnPreferenceChangeListener, LifecycleObserver, OnCreate, OnDestroy {
+        Preference.OnPreferenceChangeListener, LifecycleObserver, OnCreate, OnDestroy,
+        PreferenceControllerMixin {
 
     private static final String USB_CONFIGURATION_KEY = "select_usb_configuration";
 

src/com/android/settings/development/ShortcutManagerThrottlingPreferenceController.java

@@ -26,9 +26,11 @@ import android.util.Log;
 import android.widget.Toast;
 
 import com.android.settings.R;
+import com.android.settings.core.PreferenceControllerMixin;
+import com.android.settingslib.development.DeveloperOptionsPreferenceController;
 
 public class ShortcutManagerThrottlingPreferenceController extends
-        DeveloperOptionsPreferenceController {
+        DeveloperOptionsPreferenceController implements PreferenceControllerMixin {
 
     private static final String TAG = "ShortcutMgrPrefCtrl";
 

src/com/android/settings/development/ShowLayoutBoundsPreferenceController.java

@@ -23,10 +23,12 @@ import android.support.v7.preference.Preference;
 import android.support.v7.preference.PreferenceScreen;
 import android.view.View;
 
+import com.android.settings.core.PreferenceControllerMixin;
+import com.android.settingslib.development.DeveloperOptionsPreferenceController;
 import com.android.settingslib.development.SystemPropPoker;
 
 public class ShowLayoutBoundsPreferenceController extends DeveloperOptionsPreferenceController
-        implements Preference.OnPreferenceChangeListener {
+        implements Preference.OnPreferenceChangeListener, PreferenceControllerMixin {
 
     private static final String DEBUG_LAYOUT_KEY = "debug_layout";
 

src/com/android/settings/development/ShowSurfaceUpdatesPreferenceController.java

@@ -26,8 +26,11 @@ import android.support.v14.preference.SwitchPreference;
 import android.support.v7.preference.Preference;
 import android.support.v7.preference.PreferenceScreen;
 
+import com.android.settings.core.PreferenceControllerMixin;
+import com.android.settingslib.development.DeveloperOptionsPreferenceController;
+
 public class ShowSurfaceUpdatesPreferenceController extends DeveloperOptionsPreferenceController
-        implements Preference.OnPreferenceChangeListener {
+        implements Preference.OnPreferenceChangeListener, PreferenceControllerMixin {
 
     private static final String SHOW_SCREEN_UPDATES_KEY = "show_screen_updates";
 

src/com/android/settings/development/ShowTapsPreferenceController.java

@@ -23,8 +23,11 @@ import android.support.v14.preference.SwitchPreference;
 import android.support.v7.preference.Preference;
 import android.support.v7.preference.PreferenceScreen;
 
+import com.android.settings.core.PreferenceControllerMixin;
+import com.android.settingslib.development.DeveloperOptionsPreferenceController;
+
 public class ShowTapsPreferenceController extends DeveloperOptionsPreferenceController implements
-        Preference.OnPreferenceChangeListener {
+        Preference.OnPreferenceChangeListener, PreferenceControllerMixin {
 
     private static final String SHOW_TOUCHES_KEY = "show_touches";
 

src/com/android/settings/development/StayAwakePreferenceController.java

@@ -27,17 +27,19 @@ import android.support.annotation.VisibleForTesting;
 import android.support.v7.preference.Preference;
 import android.support.v7.preference.PreferenceScreen;
 
+import com.android.settings.core.PreferenceControllerMixin;
 import com.android.settingslib.RestrictedLockUtils;
 import com.android.settingslib.RestrictedSwitchPreference;
 import com.android.settingslib.core.lifecycle.Lifecycle;
 import com.android.settingslib.core.lifecycle.LifecycleObserver;
 import com.android.settingslib.core.lifecycle.events.OnPause;
 import com.android.settingslib.core.lifecycle.events.OnResume;
+import com.android.settingslib.development.DeveloperOptionsPreferenceController;
 
 
 public class StayAwakePreferenceController extends DeveloperOptionsPreferenceController implements
         Preference.OnPreferenceChangeListener, LifecycleObserver,
-        OnResume, OnPause {
+        OnResume, OnPause, PreferenceControllerMixin {
 
     private static final String TAG = "StayAwakeCtrl";
     private static final String PREFERENCE_KEY = "keep_screen_on";

src/com/android/settings/development/StrictModePreferenceController.java

@@ -25,11 +25,13 @@ import android.support.annotation.VisibleForTesting;
 import android.support.v14.preference.SwitchPreference;
 import android.support.v7.preference.Preference;
 import android.support.v7.preference.PreferenceScreen;
-import android.text.TextUtils;
 import android.view.IWindowManager;
 
+import com.android.settings.core.PreferenceControllerMixin;
+import com.android.settingslib.development.DeveloperOptionsPreferenceController;
+
 public class StrictModePreferenceController extends DeveloperOptionsPreferenceController implements
-        Preference.OnPreferenceChangeListener {
+        Preference.OnPreferenceChangeListener, PreferenceControllerMixin {
 
     private static final String STRICT_MODE_KEY = "strict_mode";
     private static final String WINDOW_MANAGER_KEY = "window";

src/com/android/settings/development/TetheringHardwareAccelPreferenceController.java

@@ -23,8 +23,12 @@ import android.support.v14.preference.SwitchPreference;
 import android.support.v7.preference.Preference;
 import android.support.v7.preference.PreferenceScreen;
 
+import com.android.settings.core.PreferenceControllerMixin;
+import com.android.settingslib.development.DeveloperOptionsPreferenceController;
+
 public class TetheringHardwareAccelPreferenceController extends
-        DeveloperOptionsPreferenceController implements Preference.OnPreferenceChangeListener {
+        DeveloperOptionsPreferenceController implements Preference.OnPreferenceChangeListener,
+        PreferenceControllerMixin {
 
     private static final String TETHERING_HARDWARE_OFFLOAD = "tethering_hardware_offload";
 

src/com/android/settings/development/UsbAudioRoutingPreferenceController.java

@@ -23,8 +23,11 @@ import android.support.v14.preference.SwitchPreference;
 import android.support.v7.preference.Preference;
 import android.support.v7.preference.PreferenceScreen;
 
+import com.android.settings.core.PreferenceControllerMixin;
+import com.android.settingslib.development.DeveloperOptionsPreferenceController;
+
 public class UsbAudioRoutingPreferenceController extends DeveloperOptionsPreferenceController
-        implements Preference.OnPreferenceChangeListener {
+        implements Preference.OnPreferenceChangeListener, PreferenceControllerMixin {
 
     private static final String USB_AUDIO_KEY = "usb_audio";
 

src/com/android/settings/development/VerifyAppsOverUsbPreferenceControllerV2.java

@@ -26,9 +26,11 @@ import android.support.annotation.VisibleForTesting;
 import android.support.v7.preference.Preference;
 import android.support.v7.preference.PreferenceScreen;
 
+import com.android.settings.core.PreferenceControllerMixin;
 import com.android.settingslib.RestrictedLockUtils;
 import com.android.settingslib.RestrictedLockUtils.EnforcedAdmin;
 import com.android.settingslib.RestrictedSwitchPreference;
+import com.android.settingslib.development.DeveloperOptionsPreferenceController;
 import com.android.settingslib.wrapper.PackageManagerWrapper;
 
 import java.util.List;
@@ -38,7 +40,7 @@ import java.util.List;
  */
 public class VerifyAppsOverUsbPreferenceControllerV2 extends
         DeveloperOptionsPreferenceController implements Preference.OnPreferenceChangeListener,
-        AdbOnChangeListener {
+        AdbOnChangeListener, PreferenceControllerMixin {
     private static final String VERIFY_APPS_OVER_USB_KEY = "verify_apps_over_usb";
     private static final String PACKAGE_MIME_TYPE = "application/vnd.android.package-archive";
 

src/com/android/settings/development/WaitForDebuggerPreferenceController.java

@@ -32,8 +32,12 @@ import android.support.v7.preference.Preference;
 import android.support.v7.preference.PreferenceScreen;
 import android.text.TextUtils;
 
+import com.android.settings.core.PreferenceControllerMixin;
+import com.android.settingslib.development.DeveloperOptionsPreferenceController;
+
 public class WaitForDebuggerPreferenceController extends
-        DeveloperOptionsPreferenceController implements Preference.OnPreferenceChangeListener {
+        DeveloperOptionsPreferenceController implements Preference.OnPreferenceChangeListener,
+        PreferenceControllerMixin, OnActivityResultListener {
 
     private static final String WAIT_FOR_DEBUGGER_KEY = "wait_for_debugger";
 

src/com/android/settings/development/WebViewAppPreferenceControllerV2.java

@@ -27,10 +27,13 @@ import android.util.Log;
 
 import com.android.settings.R;
 import com.android.settings.applications.defaultapps.DefaultAppInfo;
+import com.android.settings.core.PreferenceControllerMixin;
 import com.android.settings.webview.WebViewUpdateServiceWrapper;
+import com.android.settingslib.development.DeveloperOptionsPreferenceController;
 import com.android.settingslib.wrapper.PackageManagerWrapper;
 
-public class WebViewAppPreferenceControllerV2 extends DeveloperOptionsPreferenceController {
+public class WebViewAppPreferenceControllerV2 extends
+        DeveloperOptionsPreferenceController implements PreferenceControllerMixin {
 
     private static final String TAG = "WebViewAppPrefCtrl";
     private static final String WEBVIEW_APP_KEY = "select_webview_provider";

src/com/android/settings/development/WifiAggressiveHandoverPreferenceController.java

@@ -23,8 +23,12 @@ import android.support.v14.preference.SwitchPreference;
 import android.support.v7.preference.Preference;
 import android.support.v7.preference.PreferenceScreen;
 
+import com.android.settings.core.PreferenceControllerMixin;
+import com.android.settingslib.development.DeveloperOptionsPreferenceController;
+
 public class WifiAggressiveHandoverPreferenceController extends
-        DeveloperOptionsPreferenceController implements Preference.OnPreferenceChangeListener {
+        DeveloperOptionsPreferenceController implements Preference.OnPreferenceChangeListener,
+        PreferenceControllerMixin {
 
     private static final String WIFI_AGGRESSIVE_HANDOVER_KEY = "wifi_aggressive_handover";
 

src/com/android/settings/development/WifiDisplayCertificationPreferenceController.java

@@ -23,9 +23,12 @@ import android.support.v14.preference.SwitchPreference;
 import android.support.v7.preference.Preference;
 import android.support.v7.preference.PreferenceScreen;
 
+import com.android.settings.core.PreferenceControllerMixin;
+import com.android.settingslib.development.DeveloperOptionsPreferenceController;
+
 public class WifiDisplayCertificationPreferenceController extends
         DeveloperOptionsPreferenceController implements
-        Preference.OnPreferenceChangeListener {
+        Preference.OnPreferenceChangeListener, PreferenceControllerMixin {
 
     private static final String WIFI_DISPLAY_CERTIFICATION_KEY = "wifi_display_certification";
 

src/com/android/settings/development/WifiRoamScansPreferenceController.java

@@ -23,8 +23,12 @@ import android.support.v14.preference.SwitchPreference;
 import android.support.v7.preference.Preference;
 import android.support.v7.preference.PreferenceScreen;
 
+import com.android.settings.core.PreferenceControllerMixin;
+import com.android.settingslib.development.DeveloperOptionsPreferenceController;
+
 public class WifiRoamScansPreferenceController extends
-        DeveloperOptionsPreferenceController implements Preference.OnPreferenceChangeListener {
+        DeveloperOptionsPreferenceController implements Preference.OnPreferenceChangeListener,
+        PreferenceControllerMixin {
 
     private static final String WIFI_ALLOW_SCAN_WITH_TRAFFIC_KEY = "wifi_allow_scan_with_traffic";
 

src/com/android/settings/development/WifiVerboseLoggingPreferenceController.java

@@ -23,8 +23,12 @@ import android.support.v14.preference.SwitchPreference;
 import android.support.v7.preference.Preference;
 import android.support.v7.preference.PreferenceScreen;
 
+import com.android.settings.core.PreferenceControllerMixin;
+import com.android.settingslib.development.DeveloperOptionsPreferenceController;
+
 public class WifiVerboseLoggingPreferenceController extends
-        DeveloperOptionsPreferenceController implements Preference.OnPreferenceChangeListener {
+        DeveloperOptionsPreferenceController implements Preference.OnPreferenceChangeListener,
+        PreferenceControllerMixin {
 
     private static final String WIFI_VERBOSE_LOGGING_KEY = "wifi_verbose_logging";