DevelopmentSettings.java revision ad25a47e92c131c74551d811fa8dfabd17bcd99c 
1/*
2 * Copyright (C) 2008 The Android Open Source Project
3 *
4 * Licensed under the Apache License, Version 2.0 (the "License");
5 * you may not use this file except in compliance with the License.
6 * You may obtain a copy of the License at
7 *
8 *      http://www.apache.org/licenses/LICENSE-2.0
9 *
10 * Unless required by applicable law or agreed to in writing, software
11 * distributed under the License is distributed on an "AS IS" BASIS,
12 * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
13 * See the License for the specific language governing permissions and
14 * limitations under the License.
15 */
16
17package com.android.settings.development;
18
19import android.Manifest;
20import android.app.Activity;
21import android.app.ActivityManager;
22import android.app.AlertDialog;
23import android.app.AppOpsManager;
24import android.app.AppOpsManager.PackageOps;
25import android.app.Dialog;
26import android.app.backup.IBackupManager;
27import android.bluetooth.BluetoothA2dp;
28import android.bluetooth.BluetoothAdapter;
29import android.bluetooth.BluetoothCodecConfig;
30import android.bluetooth.BluetoothCodecStatus;
31import android.bluetooth.BluetoothHeadset;
32import android.bluetooth.BluetoothProfile;
33import android.content.BroadcastReceiver;
34import android.content.ContentResolver;
35import android.content.Context;
36import android.content.DialogInterface;
37import android.content.Intent;
38import android.content.IntentFilter;
39import android.content.pm.ApplicationInfo;
40import android.content.pm.IShortcutService;
41import android.content.pm.PackageManager;
42import android.content.pm.PackageManager.NameNotFoundException;
43import android.content.res.Resources;
44import android.hardware.usb.IUsbManager;
45import android.hardware.usb.UsbManager;
46import android.net.wifi.WifiManager;
47import android.os.AsyncTask;
48import android.os.BatteryManager;
49import android.os.Build;
50import android.os.Bundle;
51import android.os.IBinder;
52import android.os.Parcel;
53import android.os.RemoteException;
54import android.os.ServiceManager;
55import android.os.StrictMode;
56import android.os.SystemProperties;
57import android.os.UserManager;
58import android.os.storage.IStorageManager;
59import android.provider.SearchIndexableResource;
60import android.provider.Settings;
61import android.service.oemlock.OemLockManager;
62import android.support.annotation.VisibleForTesting;
63import android.support.v14.preference.SwitchPreference;
64import android.support.v7.preference.ListPreference;
65import android.support.v7.preference.Preference;
66import android.support.v7.preference.Preference.OnPreferenceChangeListener;
67import android.support.v7.preference.PreferenceGroup;
68import android.support.v7.preference.PreferenceScreen;
69import android.telephony.TelephonyManager;
70import android.text.TextUtils;
71import android.util.Log;
72import android.view.IWindowManager;
73import android.view.LayoutInflater;
74import android.view.ThreadedRenderer;
75import android.view.View;
76import android.view.ViewGroup;
77import android.view.accessibility.AccessibilityManager;
78import android.webkit.IWebViewUpdateService;
79import android.webkit.WebViewFactory;
80import android.widget.Switch;
81import android.widget.Toast;
82
83import com.android.internal.app.LocalePicker;
84import com.android.internal.logging.nano.MetricsProto.MetricsEvent;
85import com.android.settings.R;
86import com.android.settings.RestrictedSettingsFragment;
87import com.android.settings.SettingsActivity;
88import com.android.settings.Utils;
89import com.android.settings.dashboard.DashboardFeatureProvider;
90import com.android.settings.overlay.FeatureFactory;
91import com.android.settings.password.ChooseLockSettingsHelper;
92import com.android.settings.search.BaseSearchIndexProvider;
93import com.android.settings.search.Indexable;
94import com.android.settings.webview.WebViewAppPreferenceController;
95import com.android.settings.widget.SwitchBar;
96import com.android.settingslib.RestrictedLockUtils;
97import com.android.settingslib.RestrictedLockUtils.EnforcedAdmin;
98import com.android.settingslib.RestrictedSwitchPreference;
99import com.android.settingslib.drawer.CategoryKey;
100
101import java.util.ArrayList;
102import java.util.Arrays;
103import java.util.HashSet;
104import java.util.List;
105
106/*
107 * Displays preferences for application developers.
108 */
109public class DevelopmentSettings extends RestrictedSettingsFragment
110        implements DialogInterface.OnClickListener, DialogInterface.OnDismissListener,
111        OnPreferenceChangeListener, SwitchBar.OnSwitchChangeListener, Indexable {
112    private static final String TAG = "DevelopmentSettings";
113
114    /**
115     * Preference file were development settings prefs are stored.
116     */
117    public static final String PREF_FILE = "development";
118
119    /**
120     * Whether to show the development settings to the user.  Default is false.
121     */
122    public static final String PREF_SHOW = "show";
123
124    private static final String ENABLE_ADB = "enable_adb";
125    private static final String CLEAR_ADB_KEYS = "clear_adb_keys";
126    private static final String ENABLE_TERMINAL = "enable_terminal";
127    private static final String KEEP_SCREEN_ON = "keep_screen_on";
128    private static final String BT_HCI_SNOOP_LOG = "bt_hci_snoop_log";
129    private static final String ENABLE_OEM_UNLOCK = "oem_unlock_enable";
130    private static final String HDCP_CHECKING_KEY = "hdcp_checking";
131    private static final String HDCP_CHECKING_PROPERTY = "persist.sys.hdcp_checking";
132    private static final String LOCAL_BACKUP_PASSWORD = "local_backup_password";
133    private static final String HARDWARE_UI_PROPERTY = "persist.sys.ui.hw";
134    private static final String MSAA_PROPERTY = "debug.egl.force_msaa";
135    private static final String OPENGL_TRACES_PROPERTY = "debug.egl.trace";
136    private static final String TUNER_UI_KEY = "tuner_ui";
137    private static final String COLOR_TEMPERATURE_PROPERTY = "persist.sys.debug.color_temp";
138
139    private static final String DEBUG_APP_KEY = "debug_app";
140    private static final String WAIT_FOR_DEBUGGER_KEY = "wait_for_debugger";
141    private static final String MOCK_LOCATION_APP_KEY = "mock_location_app";
142    private static final String DEBUG_VIEW_ATTRIBUTES = "debug_view_attributes";
143    private static final String FORCE_ALLOW_ON_EXTERNAL_KEY = "force_allow_on_external";
144    private static final String STRICT_MODE_KEY = "strict_mode";
145    private static final String POINTER_LOCATION_KEY = "pointer_location";
146    private static final String SHOW_TOUCHES_KEY = "show_touches";
147    private static final String SHOW_SCREEN_UPDATES_KEY = "show_screen_updates";
148    private static final String DISABLE_OVERLAYS_KEY = "disable_overlays";
149    private static final String SIMULATE_COLOR_SPACE = "simulate_color_space";
150    private static final String USB_AUDIO_KEY = "usb_audio";
151    private static final String FORCE_HARDWARE_UI_KEY = "force_hw_ui";
152    private static final String FORCE_MSAA_KEY = "force_msaa";
153    private static final String TRACK_FRAME_TIME_KEY = "track_frame_time";
154    private static final String SHOW_NON_RECTANGULAR_CLIP_KEY = "show_non_rect_clip";
155    private static final String SHOW_HW_SCREEN_UPDATES_KEY = "show_hw_screen_udpates";
156    private static final String SHOW_HW_LAYERS_UPDATES_KEY = "show_hw_layers_udpates";
157    private static final String DEBUG_HW_OVERDRAW_KEY = "debug_hw_overdraw";
158    private static final String DEBUG_HW_RENDERER_KEY = "debug_hw_renderer";
159    private static final String DEBUG_LAYOUT_KEY = "debug_layout";
160    private static final String FORCE_RTL_LAYOUT_KEY = "force_rtl_layout_all_locales";
161    private static final String WINDOW_ANIMATION_SCALE_KEY = "window_animation_scale";
162    private static final String TRANSITION_ANIMATION_SCALE_KEY = "transition_animation_scale";
163    private static final String ANIMATOR_DURATION_SCALE_KEY = "animator_duration_scale";
164    private static final String OVERLAY_DISPLAY_DEVICES_KEY = "overlay_display_devices";
165    private static final String DEBUG_DEBUGGING_CATEGORY_KEY = "debug_debugging_category";
166    private static final String SELECT_LOGD_SIZE_KEY = "select_logd_size";
167    private static final String SELECT_LOGD_SIZE_PROPERTY = "persist.logd.size";
168    private static final String SELECT_LOGD_TAG_PROPERTY = "persist.log.tag";
169    // Tricky, isLoggable only checks for first character, assumes silence
170    private static final String SELECT_LOGD_TAG_SILENCE = "Settings";
171    private static final String SELECT_LOGD_SNET_TAG_PROPERTY = "persist.log.tag.snet_event_log";
172    private static final String SELECT_LOGD_RUNTIME_SNET_TAG_PROPERTY = "log.tag.snet_event_log";
173    private static final String SELECT_LOGD_DEFAULT_SIZE_PROPERTY = "ro.logd.size";
174    private static final String SELECT_LOGD_DEFAULT_SIZE_VALUE = "262144";
175    private static final String SELECT_LOGD_SVELTE_DEFAULT_SIZE_VALUE = "65536";
176    // 32768 is merely a menu marker, 64K is our lowest log buffer size we replace it with.
177    private static final String SELECT_LOGD_MINIMUM_SIZE_VALUE = "65536";
178    private static final String SELECT_LOGD_OFF_SIZE_MARKER_VALUE = "32768";
179    private static final String SELECT_LOGPERSIST_KEY = "select_logpersist";
180    private static final String SELECT_LOGPERSIST_PROPERTY = "persist.logd.logpersistd";
181    private static final String ACTUAL_LOGPERSIST_PROPERTY = "logd.logpersistd";
182    private static final String SELECT_LOGPERSIST_PROPERTY_SERVICE = "logcatd";
183    private static final String SELECT_LOGPERSIST_PROPERTY_CLEAR = "clear";
184    private static final String SELECT_LOGPERSIST_PROPERTY_STOP = "stop";
185    private static final String SELECT_LOGPERSIST_PROPERTY_BUFFER =
186            "persist.logd.logpersistd.buffer";
187    private static final String ACTUAL_LOGPERSIST_PROPERTY_BUFFER = "logd.logpersistd.buffer";
188    private static final String ACTUAL_LOGPERSIST_PROPERTY_ENABLE = "logd.logpersistd.enable";
189
190    private static final String WIFI_DISPLAY_CERTIFICATION_KEY = "wifi_display_certification";
191    private static final String WIFI_VERBOSE_LOGGING_KEY = "wifi_verbose_logging";
192    private static final String WIFI_AGGRESSIVE_HANDOVER_KEY = "wifi_aggressive_handover";
193    private static final String WIFI_ALLOW_SCAN_WITH_TRAFFIC_KEY = "wifi_allow_scan_with_traffic";
194    private static final String USB_CONFIGURATION_KEY = "select_usb_configuration";
195    private static final String MOBILE_DATA_ALWAYS_ON = "mobile_data_always_on";
196    private static final String TETHERING_HARDWARE_OFFLOAD = "tethering_hardware_offload";
197    private static final String KEY_COLOR_MODE = "picture_color_mode";
198    private static final String FORCE_RESIZABLE_KEY = "force_resizable_activities";
199    private static final String COLOR_TEMPERATURE_KEY = "color_temperature";
200
201    private static final String BLUETOOTH_DISABLE_ABSOLUTE_VOLUME_KEY =
202            "bluetooth_disable_absolute_volume";
203    private static final String BLUETOOTH_DISABLE_ABSOLUTE_VOLUME_PROPERTY =
204            "persist.bluetooth.disableabsvol";
205    private static final String BLUETOOTH_AVRCP_VERSION_PROPERTY =
206                                    "persist.bluetooth.avrcpversion";
207    private static final String BLUETOOTH_ENABLE_INBAND_RINGING_PROPERTY =
208                                    "persist.bluetooth.enableinbandringing";
209    private static final String BLUETOOTH_BTSNOOP_ENABLE_PROPERTY =
210                                    "persist.bluetooth.btsnoopenable";
211
212    private static final String BLUETOOTH_ENABLE_INBAND_RINGING_KEY = "bluetooth_enable_inband_ringing";
213    private static final String BLUETOOTH_SELECT_AVRCP_VERSION_KEY = "bluetooth_select_avrcp_version";
214    private static final String BLUETOOTH_SELECT_A2DP_CODEC_KEY = "bluetooth_select_a2dp_codec";
215    private static final String BLUETOOTH_SELECT_A2DP_SAMPLE_RATE_KEY = "bluetooth_select_a2dp_sample_rate";
216    private static final String BLUETOOTH_SELECT_A2DP_BITS_PER_SAMPLE_KEY = "bluetooth_select_a2dp_bits_per_sample";
217    private static final String BLUETOOTH_SELECT_A2DP_CHANNEL_MODE_KEY = "bluetooth_select_a2dp_channel_mode";
218    private static final String BLUETOOTH_SELECT_A2DP_LDAC_PLAYBACK_QUALITY_KEY = "bluetooth_select_a2dp_ldac_playback_quality";
219
220    private static final String INACTIVE_APPS_KEY = "inactive_apps";
221
222    private static final String IMMEDIATELY_DESTROY_ACTIVITIES_KEY
223            = "immediately_destroy_activities";
224    private static final String APP_PROCESS_LIMIT_KEY = "app_process_limit";
225
226    private static final String BACKGROUND_CHECK_KEY = "background_check";
227
228    private static final String SHOW_ALL_ANRS_KEY = "show_all_anrs";
229
230    private static final String SHOW_NOTIFICATION_CHANNEL_WARNINGS_KEY = "show_notification_channel_warnings";
231
232    private static final String TERMINAL_APP_PACKAGE = "com.android.terminal";
233
234    private static final String KEY_CONVERT_FBE = "convert_to_file_encryption";
235
236    private static final String OTA_DISABLE_AUTOMATIC_UPDATE_KEY = "ota_disable_automatic_update";
237
238    private static final int RESULT_DEBUG_APP = 1000;
239    private static final int RESULT_MOCK_LOCATION_APP = 1001;
240
241    private static final String FLASH_LOCKED_PROP = "ro.boot.flash.locked";
242
243    private static final String SHORTCUT_MANAGER_RESET_KEY = "reset_shortcut_manager_throttling";
244
245    private static final int REQUEST_CODE_ENABLE_OEM_UNLOCK = 0;
246
247    private static final int[] MOCK_LOCATION_APP_OPS = new int[]{AppOpsManager.OP_MOCK_LOCATION};
248
249    private IWindowManager mWindowManager;
250    private IBackupManager mBackupManager;
251    private IWebViewUpdateService mWebViewUpdateService;
252    private UserManager mUm;
253    private WifiManager mWifiManager;
254    private OemLockManager mOemLockManager;
255    private TelephonyManager mTelephonyManager;
256
257    private SwitchBar mSwitchBar;
258
259    private boolean mHaveDebugSettings;
260    private boolean mDontPokeProperties;
261    private SwitchPreference mEnableAdb;
262    private Preference mClearAdbKeys;
263    private SwitchPreference mEnableTerminal;
264    private RestrictedSwitchPreference mKeepScreenOn;
265    private SwitchPreference mBtHciSnoopLog;
266    private RestrictedSwitchPreference mEnableOemUnlock;
267    private SwitchPreference mDebugViewAttributes;
268    private SwitchPreference mForceAllowOnExternal;
269
270    private Preference mPassword;
271    private String mDebugApp;
272    private Preference mDebugAppPref;
273
274    private String mMockLocationApp;
275    private Preference mMockLocationAppPref;
276
277    private SwitchPreference mWaitForDebugger;
278    private VerifyAppsOverUsbPreferenceController mVerifyAppsOverUsbController;
279    private SwitchPreference mWifiDisplayCertification;
280    private SwitchPreference mWifiVerboseLogging;
281    private SwitchPreference mWifiAggressiveHandover;
282    private SwitchPreference mMobileDataAlwaysOn;
283    private SwitchPreference mTetheringHardwareOffload;
284    private SwitchPreference mBluetoothDisableAbsVolume;
285    private SwitchPreference mBluetoothEnableInbandRinging;
286
287    private BluetoothA2dp mBluetoothA2dp;
288    private final Object mBluetoothA2dpLock = new Object();
289    private ListPreference mBluetoothSelectAvrcpVersion;
290    private ListPreference mBluetoothSelectA2dpCodec;
291    private ListPreference mBluetoothSelectA2dpSampleRate;
292    private ListPreference mBluetoothSelectA2dpBitsPerSample;
293    private ListPreference mBluetoothSelectA2dpChannelMode;
294    private ListPreference mBluetoothSelectA2dpLdacPlaybackQuality;
295
296    private SwitchPreference mOtaDisableAutomaticUpdate;
297    private SwitchPreference mWifiAllowScansWithTraffic;
298    private SwitchPreference mStrictMode;
299    private SwitchPreference mPointerLocation;
300    private SwitchPreference mShowTouches;
301    private SwitchPreference mShowScreenUpdates;
302    private SwitchPreference mDisableOverlays;
303    private SwitchPreference mForceHardwareUi;
304    private SwitchPreference mForceMsaa;
305    private SwitchPreference mShowHwScreenUpdates;
306    private SwitchPreference mShowHwLayersUpdates;
307    private SwitchPreference mDebugLayout;
308    private SwitchPreference mForceRtlLayout;
309    private ListPreference mDebugHwOverdraw;
310    private ListPreference mDebugHwRenderer;
311    private ListPreference mLogdSize;
312    private ListPreference mLogpersist;
313    private ListPreference mUsbConfiguration;
314    private ListPreference mTrackFrameTime;
315    private ListPreference mShowNonRectClip;
316    private ListPreference mWindowAnimationScale;
317    private ListPreference mTransitionAnimationScale;
318    private ListPreference mAnimatorDurationScale;
319    private ListPreference mOverlayDisplayDevices;
320
321    private WebViewAppPreferenceController mWebViewAppPrefController;
322
323    private ListPreference mSimulateColorSpace;
324
325    private SwitchPreference mUSBAudio;
326    private SwitchPreference mImmediatelyDestroyActivities;
327
328    private ListPreference mAppProcessLimit;
329
330    private SwitchPreference mShowAllANRs;
331
332    private SwitchPreference mShowNotificationChannelWarnings;
333
334    private ColorModePreference mColorModePreference;
335
336    private SwitchPreference mForceResizable;
337
338    private SwitchPreference mColorTemperaturePreference;
339
340    private final ArrayList<Preference> mAllPrefs = new ArrayList<>();
341
342    private final ArrayList<SwitchPreference> mResetSwitchPrefs = new ArrayList<>();
343
344    private final HashSet<Preference> mDisabledPrefs = new HashSet<>();
345    // To track whether a confirmation dialog was clicked.
346    private boolean mDialogClicked;
347    private Dialog mEnableDialog;
348    private Dialog mAdbDialog;
349
350    private Dialog mAdbKeysDialog;
351    private boolean mUnavailable;
352
353    private boolean mLogpersistCleared;
354    private Dialog mLogpersistClearDialog;
355    private DashboardFeatureProvider mDashboardFeatureProvider;
356    private DevelopmentSettingsEnabler mSettingsEnabler;
357    private BugReportPreferenceController mBugReportController;
358    private BugReportInPowerPreferenceController mBugReportInPowerController;
359    private TelephonyMonitorPreferenceController mTelephonyMonitorController;
360    private CameraHalHdrplusPreferenceController mCameraHalHdrplusController;
361
362    public DevelopmentSettings() {
363        super(UserManager.DISALLOW_DEBUGGING_FEATURES);
364    }
365
366    @Override
367    public int getMetricsCategory() {
368        return MetricsEvent.DEVELOPMENT;
369    }
370
371    @Override
372    public void onAttach(Context context) {
373        super.onAttach(context);
374        mSettingsEnabler = new DevelopmentSettingsEnabler(context, getLifecycle());
375        mDashboardFeatureProvider = FeatureFactory.getFactory(context)
376                .getDashboardFeatureProvider(context);
377    }
378
379    @Override
380    public void onCreate(Bundle icicle) {
381        super.onCreate(icicle);
382
383        mWindowManager = IWindowManager.Stub.asInterface(ServiceManager.getService("window"));
384        mBackupManager = IBackupManager.Stub.asInterface(
385                ServiceManager.getService(Context.BACKUP_SERVICE));
386        mWebViewUpdateService = WebViewFactory.getUpdateService();
387        mOemLockManager = (OemLockManager) getSystemService(Context.OEM_LOCK_SERVICE);
388        mTelephonyManager = (TelephonyManager) getSystemService(Context.TELEPHONY_SERVICE);
389
390        mUm = (UserManager) getSystemService(Context.USER_SERVICE);
391
392        mWifiManager = (WifiManager) getSystemService(Context.WIFI_SERVICE);
393
394        mBugReportController = new BugReportPreferenceController(getActivity());
395        mBugReportInPowerController = new BugReportInPowerPreferenceController(getActivity());
396        mTelephonyMonitorController = new TelephonyMonitorPreferenceController(getActivity());
397        mWebViewAppPrefController = new WebViewAppPreferenceController(getActivity());
398        mVerifyAppsOverUsbController = new VerifyAppsOverUsbPreferenceController(getActivity());
399        mCameraHalHdrplusController = new CameraHalHdrplusPreferenceController(getActivity());
400
401        setIfOnlyAvailableForAdmins(true);
402        if (isUiRestricted() || !Utils.isDeviceProvisioned(getActivity())) {
403            // Block access to developer options if the user is not the owner, if user policy
404            // restricts it, or if the device has not been provisioned
405            mUnavailable = true;
406            addPreferencesFromResource(R.xml.placeholder_prefs);
407            return;
408        }
409
410        addPreferencesFromResource(R.xml.development_prefs);
411
412        final PreferenceGroup debugDebuggingCategory = (PreferenceGroup)
413                findPreference(DEBUG_DEBUGGING_CATEGORY_KEY);
414        mEnableAdb = findAndInitSwitchPref(ENABLE_ADB);
415        mClearAdbKeys = findPreference(CLEAR_ADB_KEYS);
416        if (!SystemProperties.getBoolean("ro.adb.secure", false)) {
417            if (debugDebuggingCategory != null) {
418                debugDebuggingCategory.removePreference(mClearAdbKeys);
419            }
420        }
421        mAllPrefs.add(mClearAdbKeys);
422        mEnableTerminal = findAndInitSwitchPref(ENABLE_TERMINAL);
423        if (!isPackageInstalled(getActivity(), TERMINAL_APP_PACKAGE)) {
424            debugDebuggingCategory.removePreference(mEnableTerminal);
425            mEnableTerminal = null;
426        }
427
428        mBugReportController.displayPreference(getPreferenceScreen());
429        mBugReportInPowerController.displayPreference(getPreferenceScreen());
430        mTelephonyMonitorController.displayPreference(getPreferenceScreen());
431        mWebViewAppPrefController.displayPreference(getPreferenceScreen());
432        mCameraHalHdrplusController.displayPreference(getPreferenceScreen());
433
434        mKeepScreenOn = (RestrictedSwitchPreference) findAndInitSwitchPref(KEEP_SCREEN_ON);
435        mBtHciSnoopLog = findAndInitSwitchPref(BT_HCI_SNOOP_LOG);
436        mEnableOemUnlock = (RestrictedSwitchPreference) findAndInitSwitchPref(ENABLE_OEM_UNLOCK);
437        if (!showEnableOemUnlockPreference(getActivity())) {
438            removePreference(mEnableOemUnlock);
439            mEnableOemUnlock = null;
440        }
441
442        mDebugViewAttributes = findAndInitSwitchPref(DEBUG_VIEW_ATTRIBUTES);
443        mForceAllowOnExternal = findAndInitSwitchPref(FORCE_ALLOW_ON_EXTERNAL_KEY);
444        mPassword = findPreference(LOCAL_BACKUP_PASSWORD);
445        mAllPrefs.add(mPassword);
446
447        if (!mUm.isAdminUser()) {
448            disableForUser(mEnableAdb);
449            disableForUser(mClearAdbKeys);
450            disableForUser(mEnableTerminal);
451            disableForUser(mPassword);
452        }
453
454        mDebugAppPref = findPreference(DEBUG_APP_KEY);
455        mAllPrefs.add(mDebugAppPref);
456        mWaitForDebugger = findAndInitSwitchPref(WAIT_FOR_DEBUGGER_KEY);
457
458        mMockLocationAppPref = findPreference(MOCK_LOCATION_APP_KEY);
459        mAllPrefs.add(mMockLocationAppPref);
460
461        mVerifyAppsOverUsbController.displayPreference(getPreferenceScreen());
462
463        mStrictMode = findAndInitSwitchPref(STRICT_MODE_KEY);
464        mPointerLocation = findAndInitSwitchPref(POINTER_LOCATION_KEY);
465        mShowTouches = findAndInitSwitchPref(SHOW_TOUCHES_KEY);
466        mShowScreenUpdates = findAndInitSwitchPref(SHOW_SCREEN_UPDATES_KEY);
467        mDisableOverlays = findAndInitSwitchPref(DISABLE_OVERLAYS_KEY);
468        mForceHardwareUi = findAndInitSwitchPref(FORCE_HARDWARE_UI_KEY);
469        mForceMsaa = findAndInitSwitchPref(FORCE_MSAA_KEY);
470        mTrackFrameTime = addListPreference(TRACK_FRAME_TIME_KEY);
471        mShowNonRectClip = addListPreference(SHOW_NON_RECTANGULAR_CLIP_KEY);
472        mShowHwScreenUpdates = findAndInitSwitchPref(SHOW_HW_SCREEN_UPDATES_KEY);
473        mShowHwLayersUpdates = findAndInitSwitchPref(SHOW_HW_LAYERS_UPDATES_KEY);
474        mDebugLayout = findAndInitSwitchPref(DEBUG_LAYOUT_KEY);
475        mForceRtlLayout = findAndInitSwitchPref(FORCE_RTL_LAYOUT_KEY);
476        mDebugHwOverdraw = addListPreference(DEBUG_HW_OVERDRAW_KEY);
477        mDebugHwRenderer = addListPreference(DEBUG_HW_RENDERER_KEY);
478        mWifiDisplayCertification = findAndInitSwitchPref(WIFI_DISPLAY_CERTIFICATION_KEY);
479        mWifiVerboseLogging = findAndInitSwitchPref(WIFI_VERBOSE_LOGGING_KEY);
480        mWifiAggressiveHandover = findAndInitSwitchPref(WIFI_AGGRESSIVE_HANDOVER_KEY);
481        mWifiAllowScansWithTraffic = findAndInitSwitchPref(WIFI_ALLOW_SCAN_WITH_TRAFFIC_KEY);
482        mMobileDataAlwaysOn = findAndInitSwitchPref(MOBILE_DATA_ALWAYS_ON);
483        mTetheringHardwareOffload = findAndInitSwitchPref(TETHERING_HARDWARE_OFFLOAD);
484        mLogdSize = addListPreference(SELECT_LOGD_SIZE_KEY);
485        if ("1".equals(SystemProperties.get("ro.debuggable", "0"))) {
486            mLogpersist = addListPreference(SELECT_LOGPERSIST_KEY);
487        } else {
488            mLogpersist = (ListPreference) findPreference(SELECT_LOGPERSIST_KEY);
489            if (mLogpersist != null) {
490                mLogpersist.setEnabled(false);
491                if (debugDebuggingCategory != null) {
492                    debugDebuggingCategory.removePreference(mLogpersist);
493                }
494            }
495            mLogpersist = null;
496        }
497        mUsbConfiguration = addListPreference(USB_CONFIGURATION_KEY);
498        mBluetoothDisableAbsVolume = findAndInitSwitchPref(BLUETOOTH_DISABLE_ABSOLUTE_VOLUME_KEY);
499        mBluetoothEnableInbandRinging = findAndInitSwitchPref(BLUETOOTH_ENABLE_INBAND_RINGING_KEY);
500        if (!BluetoothHeadset.isInbandRingingSupported(getContext())) {
501            removePreference(mBluetoothEnableInbandRinging);
502            mBluetoothEnableInbandRinging = null;
503        }
504
505        mBluetoothSelectAvrcpVersion = addListPreference(BLUETOOTH_SELECT_AVRCP_VERSION_KEY);
506        mBluetoothSelectA2dpCodec = addListPreference(BLUETOOTH_SELECT_A2DP_CODEC_KEY);
507        mBluetoothSelectA2dpSampleRate = addListPreference(BLUETOOTH_SELECT_A2DP_SAMPLE_RATE_KEY);
508        mBluetoothSelectA2dpBitsPerSample = addListPreference(BLUETOOTH_SELECT_A2DP_BITS_PER_SAMPLE_KEY);
509        mBluetoothSelectA2dpChannelMode = addListPreference(BLUETOOTH_SELECT_A2DP_CHANNEL_MODE_KEY);
510        mBluetoothSelectA2dpLdacPlaybackQuality = addListPreference(BLUETOOTH_SELECT_A2DP_LDAC_PLAYBACK_QUALITY_KEY);
511        initBluetoothConfigurationValues();
512
513        mWindowAnimationScale = addListPreference(WINDOW_ANIMATION_SCALE_KEY);
514        mTransitionAnimationScale = addListPreference(TRANSITION_ANIMATION_SCALE_KEY);
515        mAnimatorDurationScale = addListPreference(ANIMATOR_DURATION_SCALE_KEY);
516        mOverlayDisplayDevices = addListPreference(OVERLAY_DISPLAY_DEVICES_KEY);
517        mSimulateColorSpace = addListPreference(SIMULATE_COLOR_SPACE);
518        mUSBAudio = findAndInitSwitchPref(USB_AUDIO_KEY);
519        mForceResizable = findAndInitSwitchPref(FORCE_RESIZABLE_KEY);
520
521        mImmediatelyDestroyActivities = (SwitchPreference) findPreference(
522                IMMEDIATELY_DESTROY_ACTIVITIES_KEY);
523        mAllPrefs.add(mImmediatelyDestroyActivities);
524        mResetSwitchPrefs.add(mImmediatelyDestroyActivities);
525
526        mAppProcessLimit = addListPreference(APP_PROCESS_LIMIT_KEY);
527
528        mShowAllANRs = (SwitchPreference) findPreference(
529                SHOW_ALL_ANRS_KEY);
530        mAllPrefs.add(mShowAllANRs);
531        mResetSwitchPrefs.add(mShowAllANRs);
532
533        mShowNotificationChannelWarnings = (SwitchPreference) findPreference(
534                SHOW_NOTIFICATION_CHANNEL_WARNINGS_KEY);
535        mAllPrefs.add(mShowNotificationChannelWarnings);
536        mResetSwitchPrefs.add(mShowNotificationChannelWarnings);
537
538        Preference hdcpChecking = findPreference(HDCP_CHECKING_KEY);
539        if (hdcpChecking != null) {
540            mAllPrefs.add(hdcpChecking);
541            removePreferenceForProduction(hdcpChecking);
542        }
543
544        Preference convertFbePreference = findPreference(KEY_CONVERT_FBE);
545
546        try {
547            IBinder service = ServiceManager.getService("mount");
548            IStorageManager storageManager = IStorageManager.Stub.asInterface(service);
549            if (!storageManager.isConvertibleToFBE()) {
550                removePreference(KEY_CONVERT_FBE);
551            } else if ("file".equals(SystemProperties.get("ro.crypto.type", "none"))) {
552                convertFbePreference.setEnabled(false);
553                convertFbePreference.setSummary(getResources()
554                        .getString(R.string.convert_to_file_encryption_done));
555            }
556        } catch (RemoteException e) {
557            removePreference(KEY_CONVERT_FBE);
558        }
559
560        mOtaDisableAutomaticUpdate = findAndInitSwitchPref(OTA_DISABLE_AUTOMATIC_UPDATE_KEY);
561
562        mColorModePreference = (ColorModePreference) findPreference(KEY_COLOR_MODE);
563        mColorModePreference.updateCurrentAndSupported();
564        if (mColorModePreference.getColorModeCount() < 2 ||
565                getContext().getDisplay().isWideColorGamut()) {
566            removePreference(KEY_COLOR_MODE);
567            mColorModePreference = null;
568        }
569
570        mColorTemperaturePreference = (SwitchPreference) findPreference(COLOR_TEMPERATURE_KEY);
571        if (getResources().getBoolean(R.bool.config_enableColorTemperature)) {
572            mAllPrefs.add(mColorTemperaturePreference);
573            mResetSwitchPrefs.add(mColorTemperaturePreference);
574        } else {
575            removePreference(COLOR_TEMPERATURE_KEY);
576            mColorTemperaturePreference = null;
577        }
578
579        addDashboardCategoryPreferences();
580    }
581
582    @VisibleForTesting
583    void addDashboardCategoryPreferences() {
584        final PreferenceScreen screen = getPreferenceScreen();
585        final List<Preference> tilePrefs = mDashboardFeatureProvider.getPreferencesForCategory(
586                getActivity(), getPrefContext(), getMetricsCategory(),
587                CategoryKey.CATEGORY_SYSTEM_DEVELOPMENT);
588        if (tilePrefs != null) {
589            for (Preference preference : tilePrefs) {
590                screen.addPreference(preference);
591            }
592        }
593    }
594
595    private ListPreference addListPreference(String prefKey) {
596        ListPreference pref = (ListPreference) findPreference(prefKey);
597        mAllPrefs.add(pref);
598        pref.setOnPreferenceChangeListener(this);
599        return pref;
600    }
601
602    private void disableForUser(Preference pref) {
603        if (pref != null) {
604            pref.setEnabled(false);
605            mDisabledPrefs.add(pref);
606        }
607    }
608
609    private SwitchPreference findAndInitSwitchPref(String key) {
610        SwitchPreference pref = (SwitchPreference) findPreference(key);
611        if (pref == null) {
612            throw new IllegalArgumentException("Cannot find preference with key = " + key);
613        }
614        mAllPrefs.add(pref);
615        mResetSwitchPrefs.add(pref);
616        return pref;
617    }
618
619    @Override
620    public void onActivityCreated(Bundle savedInstanceState) {
621        super.onActivityCreated(savedInstanceState);
622
623        final SettingsActivity activity = (SettingsActivity) getActivity();
624
625        mSwitchBar = activity.getSwitchBar();
626        if (mUnavailable) {
627            mSwitchBar.setEnabled(false);
628            return;
629        }
630
631        mSwitchBar.addOnSwitchChangeListener(this);
632    }
633
634    private boolean removePreferenceForProduction(Preference preference) {
635        if ("user".equals(Build.TYPE)) {
636            removePreference(preference);
637            return true;
638        }
639        return false;
640    }
641
642    private void removePreference(Preference preference) {
643        getPreferenceScreen().removePreference(preference);
644        mAllPrefs.remove(preference);
645        mResetSwitchPrefs.remove(preference);
646    }
647
648    private void setPrefsEnabledState(boolean enabled) {
649        for (int i = 0; i < mAllPrefs.size(); i++) {
650            Preference pref = mAllPrefs.get(i);
651            pref.setEnabled(enabled && !mDisabledPrefs.contains(pref));
652        }
653        mBugReportInPowerController.enablePreference(enabled);
654        mTelephonyMonitorController.enablePreference(enabled);
655        mWebViewAppPrefController.enablePreference(enabled);
656        mCameraHalHdrplusController.enablePreference(enabled);
657        updateAllOptions();
658    }
659
660    @Override
661    public void onResume() {
662        super.onResume();
663
664        if (mUnavailable) {
665            // Show error message
666            if (!isUiRestrictedByOnlyAdmin()) {
667                getEmptyTextView().setText(R.string.development_settings_not_available);
668            }
669            getPreferenceScreen().removeAll();
670            return;
671        }
672
673        // A DeviceAdmin has specified a maximum time until the device
674        // will lock...  in this case we can't allow the user to turn
675        // on "stay awake when plugged in" because that would defeat the
676        // restriction.
677        final EnforcedAdmin admin = RestrictedLockUtils.checkIfMaximumTimeToLockIsSet(
678                getActivity());
679        mKeepScreenOn.setDisabledByAdmin(admin);
680        if (admin == null) {
681            mDisabledPrefs.remove(mKeepScreenOn);
682        } else {
683            mDisabledPrefs.add(mKeepScreenOn);
684        }
685
686        final boolean lastEnabledState = mSettingsEnabler.getLastEnabledState();
687        mSwitchBar.setChecked(lastEnabledState);
688        setPrefsEnabledState(lastEnabledState);
689
690        if (mHaveDebugSettings && !lastEnabledState) {
691            // Overall debugging is disabled, but there are some debug
692            // settings that are enabled.  This is an invalid state.  Switch
693            // to debug settings being enabled, so the user knows there is
694            // stuff enabled and can turn it all off if they want.
695            mSettingsEnabler.enableDevelopmentSettings();
696            mSwitchBar.setChecked(lastEnabledState);
697            setPrefsEnabledState(lastEnabledState);
698        }
699        mSwitchBar.show();
700
701        if (mColorModePreference != null) {
702            mColorModePreference.startListening();
703            mColorModePreference.updateCurrentAndSupported();
704        }
705    }
706
707    @Override
708    public void onPause() {
709        super.onPause();
710        if (mColorModePreference != null) {
711            mColorModePreference.stopListening();
712        }
713    }
714
715    @Override
716    public View onCreateView(LayoutInflater inflater, ViewGroup container,
717            Bundle savedInstanceState) {
718        IntentFilter filter = new IntentFilter();
719        filter.addAction(UsbManager.ACTION_USB_STATE);
720        if (getActivity().registerReceiver(mUsbReceiver, filter) == null) {
721            updateUsbConfigurationValues();
722        }
723
724        BluetoothAdapter adapter = BluetoothAdapter.getDefaultAdapter();
725        if (adapter != null) {
726            adapter.getProfileProxy(getActivity(),
727                                    mBluetoothA2dpServiceListener,
728                                    BluetoothProfile.A2DP);
729        }
730        filter = new IntentFilter();
731        filter.addAction(BluetoothA2dp.ACTION_CODEC_CONFIG_CHANGED);
732        if (getActivity().registerReceiver(mBluetoothA2dpReceiver, filter) == null) {
733            updateBluetoothA2dpConfigurationValues();
734        }
735
736        return super.onCreateView(inflater, container, savedInstanceState);
737    }
738
739    @Override
740    public void onDestroyView() {
741        super.onDestroyView();
742
743        if (mUnavailable) {
744            return;
745        }
746        mSwitchBar.removeOnSwitchChangeListener(this);
747        mSwitchBar.hide();
748        getActivity().unregisterReceiver(mUsbReceiver);
749        getActivity().unregisterReceiver(mBluetoothA2dpReceiver);
750        BluetoothAdapter adapter = BluetoothAdapter.getDefaultAdapter();
751        if (adapter != null) {
752            adapter.closeProfileProxy(BluetoothProfile.A2DP, mBluetoothA2dp);
753            mBluetoothA2dp = null;
754        }
755    }
756
757    void updateSwitchPreference(SwitchPreference switchPreference, boolean value) {
758        switchPreference.setChecked(value);
759        mHaveDebugSettings |= value;
760    }
761
762    private void updateAllOptions() {
763        final Context context = getActivity();
764        final ContentResolver cr = context.getContentResolver();
765        mHaveDebugSettings = false;
766        updateSwitchPreference(mEnableAdb, Settings.Global.getInt(cr,
767                Settings.Global.ADB_ENABLED, 0) != 0);
768        if (mEnableTerminal != null) {
769            updateSwitchPreference(mEnableTerminal,
770                    context.getPackageManager().getApplicationEnabledSetting(TERMINAL_APP_PACKAGE)
771                            == PackageManager.COMPONENT_ENABLED_STATE_ENABLED);
772        }
773        mHaveDebugSettings |= mBugReportInPowerController.updatePreference();
774        mHaveDebugSettings |= mTelephonyMonitorController.updatePreference();
775        mHaveDebugSettings |= mCameraHalHdrplusController.updatePreference();
776        updateSwitchPreference(mKeepScreenOn, Settings.Global.getInt(cr,
777                Settings.Global.STAY_ON_WHILE_PLUGGED_IN, 0) != 0);
778        updateSwitchPreference(mBtHciSnoopLog, SystemProperties.getBoolean(
779                BLUETOOTH_BTSNOOP_ENABLE_PROPERTY, false));
780        updateSwitchPreference(mDebugViewAttributes, Settings.Global.getInt(cr,
781                Settings.Global.DEBUG_VIEW_ATTRIBUTES, 0) != 0);
782        updateSwitchPreference(mForceAllowOnExternal, Settings.Global.getInt(cr,
783                Settings.Global.FORCE_ALLOW_ON_EXTERNAL, 0) != 0);
784        updateHdcpValues();
785        updatePasswordSummary();
786        updateDebuggerOptions();
787        updateMockLocation();
788        updateStrictModeVisualOptions();
789        updatePointerLocationOptions();
790        updateShowTouchesOptions();
791        updateFlingerOptions();
792        updateHardwareUiOptions();
793        updateMsaaOptions();
794        updateTrackFrameTimeOptions();
795        updateShowNonRectClipOptions();
796        updateShowHwScreenUpdatesOptions();
797        updateShowHwLayersUpdatesOptions();
798        updateDebugHwOverdrawOptions();
799        updateDebugHwRendererOptions();
800        updateDebugLayoutOptions();
801        updateAnimationScaleOptions();
802        updateOverlayDisplayDevicesOptions();
803        updateImmediatelyDestroyActivitiesOptions();
804        updateAppProcessLimitOptions();
805        updateShowAllANRsOptions();
806        updateShowNotificationChannelWarningsOptions();
807        mVerifyAppsOverUsbController.updatePreference();
808        updateOtaDisableAutomaticUpdateOptions();
809        updateBugreportOptions();
810        updateForceRtlOptions();
811        updateLogdSizeValues();
812        updateLogpersistValues();
813        updateWifiDisplayCertificationOptions();
814        updateWifiVerboseLoggingOptions();
815        updateWifiAggressiveHandoverOptions();
816        updateWifiAllowScansWithTrafficOptions();
817        updateMobileDataAlwaysOnOptions();
818        updateTetheringHardwareOffloadOptions();
819        updateSimulateColorSpace();
820        updateUSBAudioOptions();
821        updateForceResizableOptions();
822        Preference webViewAppPref = findPreference(mWebViewAppPrefController.getPreferenceKey());
823        mWebViewAppPrefController.updateState(webViewAppPref);
824        updateOemUnlockOptions();
825        if (mColorTemperaturePreference != null) {
826            updateColorTemperature();
827        }
828        updateBluetoothDisableAbsVolumeOptions();
829        updateBluetoothEnableInbandRingingOptions();
830        updateBluetoothA2dpConfigurationValues();
831    }
832
833    private void resetDangerousOptions() {
834        mDontPokeProperties = true;
835        for (int i = 0; i < mResetSwitchPrefs.size(); i++) {
836            SwitchPreference cb = mResetSwitchPrefs.get(i);
837            if (cb.isChecked()) {
838                cb.setChecked(false);
839                onPreferenceTreeClick(cb);
840            }
841        }
842        mBugReportInPowerController.resetPreference();
843        resetDebuggerOptions();
844        writeLogpersistOption(null, true);
845        writeLogdSizeOption(null);
846        writeAnimationScaleOption(0, mWindowAnimationScale, null);
847        writeAnimationScaleOption(1, mTransitionAnimationScale, null);
848        writeAnimationScaleOption(2, mAnimatorDurationScale, null);
849        // Only poke the color space setting if we control it.
850        if (usingDevelopmentColorSpace()) {
851            writeSimulateColorSpace(-1);
852        }
853        writeOverlayDisplayDevicesOptions(null);
854        writeAppProcessLimitOptions(null);
855        mHaveDebugSettings = false;
856        updateAllOptions();
857        mDontPokeProperties = false;
858        pokeSystemProperties();
859    }
860
861    private void updateHdcpValues() {
862        ListPreference hdcpChecking = (ListPreference) findPreference(HDCP_CHECKING_KEY);
863        if (hdcpChecking != null) {
864            String currentValue = SystemProperties.get(HDCP_CHECKING_PROPERTY);
865            String[] values = getResources().getStringArray(R.array.hdcp_checking_values);
866            String[] summaries = getResources().getStringArray(R.array.hdcp_checking_summaries);
867            int index = 1; // Defaults to drm-only. Needs to match with R.array.hdcp_checking_values
868            for (int i = 0; i < values.length; i++) {
869                if (currentValue.equals(values[i])) {
870                    index = i;
871                    break;
872                }
873            }
874            hdcpChecking.setValue(values[index]);
875            hdcpChecking.setSummary(summaries[index]);
876            hdcpChecking.setOnPreferenceChangeListener(this);
877        }
878    }
879
880    private void updatePasswordSummary() {
881        try {
882            if (mBackupManager.hasBackupPassword()) {
883                mPassword.setSummary(R.string.local_backup_password_summary_change);
884            } else {
885                mPassword.setSummary(R.string.local_backup_password_summary_none);
886            }
887        } catch (RemoteException e) {
888            // Not much we can do here
889        }
890    }
891
892    private void writeBtHciSnoopLogOptions() {
893        BluetoothAdapter adapter = BluetoothAdapter.getDefaultAdapter();
894        SystemProperties.set(BLUETOOTH_BTSNOOP_ENABLE_PROPERTY,
895                Boolean.toString(mBtHciSnoopLog.isChecked()));
896    }
897
898    private void writeDebuggerOptions() {
899        try {
900            ActivityManager.getService().setDebugApp(
901                    mDebugApp, mWaitForDebugger.isChecked(), true);
902        } catch (RemoteException ex) {
903        }
904    }
905
906    private void writeMockLocation() {
907        AppOpsManager appOpsManager = (AppOpsManager) getSystemService(Context.APP_OPS_SERVICE);
908
909        // Disable the app op of the previous mock location app if such.
910        List<PackageOps> packageOps = appOpsManager.getPackagesForOps(MOCK_LOCATION_APP_OPS);
911        if (packageOps != null) {
912            // Should be one but in case we are in a bad state due to use of command line tools.
913            for (PackageOps packageOp : packageOps) {
914                if (packageOp.getOps().get(0).getMode() != AppOpsManager.MODE_ERRORED) {
915                    String oldMockLocationApp = packageOp.getPackageName();
916                    try {
917                        ApplicationInfo ai = getActivity().getPackageManager().getApplicationInfo(
918                                oldMockLocationApp, PackageManager.GET_DISABLED_COMPONENTS);
919                        appOpsManager.setMode(AppOpsManager.OP_MOCK_LOCATION, ai.uid,
920                                oldMockLocationApp, AppOpsManager.MODE_ERRORED);
921                    } catch (NameNotFoundException e) {
922                        /* ignore */
923                    }
924                }
925            }
926        }
927
928        // Enable the app op of the new mock location app if such.
929        if (!TextUtils.isEmpty(mMockLocationApp)) {
930            try {
931                ApplicationInfo ai = getActivity().getPackageManager().getApplicationInfo(
932                        mMockLocationApp, PackageManager.GET_DISABLED_COMPONENTS);
933                appOpsManager.setMode(AppOpsManager.OP_MOCK_LOCATION, ai.uid,
934                        mMockLocationApp, AppOpsManager.MODE_ALLOWED);
935            } catch (NameNotFoundException e) {
936                /* ignore */
937            }
938        }
939    }
940
941    private static void resetDebuggerOptions() {
942        try {
943            ActivityManager.getService().setDebugApp(
944                    null, false, true);
945        } catch (RemoteException ex) {
946        }
947    }
948
949    private void updateDebuggerOptions() {
950        mDebugApp = Settings.Global.getString(
951                getActivity().getContentResolver(), Settings.Global.DEBUG_APP);
952        updateSwitchPreference(mWaitForDebugger, Settings.Global.getInt(
953                getActivity().getContentResolver(), Settings.Global.WAIT_FOR_DEBUGGER, 0) != 0);
954        if (mDebugApp != null && mDebugApp.length() > 0) {
955            String label;
956            try {
957                ApplicationInfo ai = getActivity().getPackageManager().getApplicationInfo(mDebugApp,
958                        PackageManager.GET_DISABLED_COMPONENTS);
959                CharSequence lab = getActivity().getPackageManager().getApplicationLabel(ai);
960                label = lab != null ? lab.toString() : mDebugApp;
961            } catch (PackageManager.NameNotFoundException e) {
962                label = mDebugApp;
963            }
964            mDebugAppPref.setSummary(getResources().getString(R.string.debug_app_set, label));
965            mWaitForDebugger.setEnabled(true);
966            mHaveDebugSettings = true;
967        } else {
968            mDebugAppPref.setSummary(getResources().getString(R.string.debug_app_not_set));
969            mWaitForDebugger.setEnabled(false);
970        }
971    }
972
973    private void updateMockLocation() {
974        AppOpsManager appOpsManager = (AppOpsManager) getSystemService(Context.APP_OPS_SERVICE);
975
976        List<PackageOps> packageOps = appOpsManager.getPackagesForOps(MOCK_LOCATION_APP_OPS);
977        if (packageOps != null) {
978            for (PackageOps packageOp : packageOps) {
979                if (packageOp.getOps().get(0).getMode() == AppOpsManager.MODE_ALLOWED) {
980                    mMockLocationApp = packageOps.get(0).getPackageName();
981                    break;
982                }
983            }
984        }
985
986        if (!TextUtils.isEmpty(mMockLocationApp)) {
987            String label = mMockLocationApp;
988            try {
989                ApplicationInfo ai = getActivity().getPackageManager().getApplicationInfo(
990                        mMockLocationApp, PackageManager.GET_DISABLED_COMPONENTS);
991                CharSequence appLabel = getPackageManager().getApplicationLabel(ai);
992                if (appLabel != null) {
993                    label = appLabel.toString();
994                }
995            } catch (PackageManager.NameNotFoundException e) {
996                /* ignore */
997            }
998
999            mMockLocationAppPref.setSummary(getString(R.string.mock_location_app_set, label));
1000            mHaveDebugSettings = true;
1001        } else {
1002            mMockLocationAppPref.setSummary(getString(R.string.mock_location_app_not_set));
1003        }
1004    }
1005
1006    private void updateOtaDisableAutomaticUpdateOptions() {
1007        // We use the "disabled status" in code, but show the opposite text
1008        // "Automatic system updates" on screen. So a value 0 indicates the
1009        // automatic update is enabled.
1010        updateSwitchPreference(mOtaDisableAutomaticUpdate, Settings.Global.getInt(
1011                getActivity().getContentResolver(),
1012                Settings.Global.OTA_DISABLE_AUTOMATIC_UPDATE, 0) != 1);
1013    }
1014
1015    private void writeOtaDisableAutomaticUpdateOptions() {
1016        // We use the "disabled status" in code, but show the opposite text
1017        // "Automatic system updates" on screen. So a value 0 indicates the
1018        // automatic update is enabled.
1019        Settings.Global.putInt(getActivity().getContentResolver(),
1020                Settings.Global.OTA_DISABLE_AUTOMATIC_UPDATE,
1021                mOtaDisableAutomaticUpdate.isChecked() ? 0 : 1);
1022    }
1023
1024    private static boolean showEnableOemUnlockPreference(Context context) {
1025        return context.getSystemService(Context.OEM_LOCK_SERVICE) != null;
1026    }
1027
1028    private boolean enableOemUnlockPreference() {
1029        return !isBootloaderUnlocked() && mOemLockManager.canUserAllowOemUnlock();
1030    }
1031
1032    private void updateOemUnlockOptions() {
1033        if (mEnableOemUnlock != null) {
1034            updateSwitchPreference(mEnableOemUnlock, mOemLockManager.isOemUnlockAllowed());
1035            updateOemUnlockSettingDescription();
1036            // Showing mEnableOemUnlock preference as device has persistent data block.
1037            mEnableOemUnlock.setDisabledByAdmin(null);
1038            mEnableOemUnlock.setEnabled(enableOemUnlockPreference());
1039            if (mEnableOemUnlock.isEnabled()) {
1040                // Check restriction, disable mEnableOemUnlock and apply policy transparency.
1041                mEnableOemUnlock.checkRestrictionAndSetDisabled(UserManager.DISALLOW_FACTORY_RESET);
1042            }
1043            if (mEnableOemUnlock.isEnabled()) {
1044                // Check restriction, disable mEnableOemUnlock and apply policy transparency.
1045                mEnableOemUnlock.checkRestrictionAndSetDisabled(UserManager.DISALLOW_OEM_UNLOCK);
1046            }
1047        }
1048    }
1049
1050    private void updateBugreportOptions() {
1051        mBugReportController.enablePreference(true);
1052        mBugReportInPowerController.updateBugreportOptions();
1053    }
1054
1055    // Returns the current state of the system property that controls
1056    // strictmode flashes.  One of:
1057    //    0: not explicitly set one way or another
1058    //    1: on
1059    //    2: off
1060    private static int currentStrictModeActiveIndex() {
1061        if (TextUtils.isEmpty(SystemProperties.get(StrictMode.VISUAL_PROPERTY))) {
1062            return 0;
1063        }
1064        boolean enabled = SystemProperties.getBoolean(StrictMode.VISUAL_PROPERTY, false);
1065        return enabled ? 1 : 2;
1066    }
1067
1068    private void writeStrictModeVisualOptions() {
1069        try {
1070            mWindowManager.setStrictModeVisualIndicatorPreference(mStrictMode.isChecked()
1071                    ? "1" : "");
1072        } catch (RemoteException e) {
1073        }
1074    }
1075
1076    private void updateStrictModeVisualOptions() {
1077        updateSwitchPreference(mStrictMode, currentStrictModeActiveIndex() == 1);
1078    }
1079
1080    private void writePointerLocationOptions() {
1081        Settings.System.putInt(getActivity().getContentResolver(),
1082                Settings.System.POINTER_LOCATION, mPointerLocation.isChecked() ? 1 : 0);
1083    }
1084
1085    private void updatePointerLocationOptions() {
1086        updateSwitchPreference(mPointerLocation,
1087                Settings.System.getInt(getActivity().getContentResolver(),
1088                        Settings.System.POINTER_LOCATION, 0) != 0);
1089    }
1090
1091    private void writeShowTouchesOptions() {
1092        Settings.System.putInt(getActivity().getContentResolver(),
1093                Settings.System.SHOW_TOUCHES, mShowTouches.isChecked() ? 1 : 0);
1094    }
1095
1096    private void updateShowTouchesOptions() {
1097        updateSwitchPreference(mShowTouches,
1098                Settings.System.getInt(getActivity().getContentResolver(),
1099                        Settings.System.SHOW_TOUCHES, 0) != 0);
1100    }
1101
1102    private void updateFlingerOptions() {
1103        // magic communication with surface flinger.
1104        try {
1105            IBinder flinger = ServiceManager.getService("SurfaceFlinger");
1106            if (flinger != null) {
1107                Parcel data = Parcel.obtain();
1108                Parcel reply = Parcel.obtain();
1109                data.writeInterfaceToken("android.ui.ISurfaceComposer");
1110                flinger.transact(1010, data, reply, 0);
1111                @SuppressWarnings("unused")
1112                int showCpu = reply.readInt();
1113                @SuppressWarnings("unused")
1114                int enableGL = reply.readInt();
1115                int showUpdates = reply.readInt();
1116                updateSwitchPreference(mShowScreenUpdates, showUpdates != 0);
1117                @SuppressWarnings("unused")
1118                int showBackground = reply.readInt();
1119                int disableOverlays = reply.readInt();
1120                updateSwitchPreference(mDisableOverlays, disableOverlays != 0);
1121                reply.recycle();
1122                data.recycle();
1123            }
1124        } catch (RemoteException ex) {
1125        }
1126    }
1127
1128    private void writeShowUpdatesOption() {
1129        try {
1130            IBinder flinger = ServiceManager.getService("SurfaceFlinger");
1131            if (flinger != null) {
1132                Parcel data = Parcel.obtain();
1133                data.writeInterfaceToken("android.ui.ISurfaceComposer");
1134                final int showUpdates = mShowScreenUpdates.isChecked() ? 1 : 0;
1135                data.writeInt(showUpdates);
1136                flinger.transact(1002, data, null, 0);
1137                data.recycle();
1138
1139                updateFlingerOptions();
1140            }
1141        } catch (RemoteException ex) {
1142        }
1143    }
1144
1145    private void writeDisableOverlaysOption() {
1146        try {
1147            IBinder flinger = ServiceManager.getService("SurfaceFlinger");
1148            if (flinger != null) {
1149                Parcel data = Parcel.obtain();
1150                data.writeInterfaceToken("android.ui.ISurfaceComposer");
1151                final int disableOverlays = mDisableOverlays.isChecked() ? 1 : 0;
1152                data.writeInt(disableOverlays);
1153                flinger.transact(1008, data, null, 0);
1154                data.recycle();
1155
1156                updateFlingerOptions();
1157            }
1158        } catch (RemoteException ex) {
1159        }
1160    }
1161
1162    private void updateHardwareUiOptions() {
1163        updateSwitchPreference(mForceHardwareUi,
1164                SystemProperties.getBoolean(HARDWARE_UI_PROPERTY, false));
1165    }
1166
1167    private void writeHardwareUiOptions() {
1168        SystemProperties.set(HARDWARE_UI_PROPERTY, mForceHardwareUi.isChecked() ? "true" : "false");
1169        pokeSystemProperties();
1170    }
1171
1172    private void updateMsaaOptions() {
1173        updateSwitchPreference(mForceMsaa, SystemProperties.getBoolean(MSAA_PROPERTY, false));
1174    }
1175
1176    private void writeMsaaOptions() {
1177        SystemProperties.set(MSAA_PROPERTY, mForceMsaa.isChecked() ? "true" : "false");
1178        pokeSystemProperties();
1179    }
1180
1181    private void updateTrackFrameTimeOptions() {
1182        String value = SystemProperties.get(ThreadedRenderer.PROFILE_PROPERTY);
1183        if (value == null) {
1184            value = "";
1185        }
1186
1187        CharSequence[] values = mTrackFrameTime.getEntryValues();
1188        for (int i = 0; i < values.length; i++) {
1189            if (value.contentEquals(values[i])) {
1190                mTrackFrameTime.setValueIndex(i);
1191                mTrackFrameTime.setSummary(mTrackFrameTime.getEntries()[i]);
1192                return;
1193            }
1194        }
1195        mTrackFrameTime.setValueIndex(0);
1196        mTrackFrameTime.setSummary(mTrackFrameTime.getEntries()[0]);
1197    }
1198
1199    private void writeTrackFrameTimeOptions(Object newValue) {
1200        SystemProperties.set(ThreadedRenderer.PROFILE_PROPERTY,
1201                newValue == null ? "" : newValue.toString());
1202        pokeSystemProperties();
1203        updateTrackFrameTimeOptions();
1204    }
1205
1206    private void updateShowNonRectClipOptions() {
1207        String value = SystemProperties.get(
1208                ThreadedRenderer.DEBUG_SHOW_NON_RECTANGULAR_CLIP_PROPERTY);
1209        if (value == null) {
1210            value = "hide";
1211        }
1212
1213        CharSequence[] values = mShowNonRectClip.getEntryValues();
1214        for (int i = 0; i < values.length; i++) {
1215            if (value.contentEquals(values[i])) {
1216                mShowNonRectClip.setValueIndex(i);
1217                mShowNonRectClip.setSummary(mShowNonRectClip.getEntries()[i]);
1218                return;
1219            }
1220        }
1221        mShowNonRectClip.setValueIndex(0);
1222        mShowNonRectClip.setSummary(mShowNonRectClip.getEntries()[0]);
1223    }
1224
1225    private void writeShowNonRectClipOptions(Object newValue) {
1226        SystemProperties.set(ThreadedRenderer.DEBUG_SHOW_NON_RECTANGULAR_CLIP_PROPERTY,
1227                newValue == null ? "" : newValue.toString());
1228        pokeSystemProperties();
1229        updateShowNonRectClipOptions();
1230    }
1231
1232    private void updateShowHwScreenUpdatesOptions() {
1233        updateSwitchPreference(mShowHwScreenUpdates,
1234                SystemProperties.getBoolean(ThreadedRenderer.DEBUG_DIRTY_REGIONS_PROPERTY, false));
1235    }
1236
1237    private void writeShowHwScreenUpdatesOptions() {
1238        SystemProperties.set(ThreadedRenderer.DEBUG_DIRTY_REGIONS_PROPERTY,
1239                mShowHwScreenUpdates.isChecked() ? "true" : null);
1240        pokeSystemProperties();
1241    }
1242
1243    private void updateShowHwLayersUpdatesOptions() {
1244        updateSwitchPreference(mShowHwLayersUpdates, SystemProperties.getBoolean(
1245                ThreadedRenderer.DEBUG_SHOW_LAYERS_UPDATES_PROPERTY, false));
1246    }
1247
1248    private void writeShowHwLayersUpdatesOptions() {
1249        SystemProperties.set(ThreadedRenderer.DEBUG_SHOW_LAYERS_UPDATES_PROPERTY,
1250                mShowHwLayersUpdates.isChecked() ? "true" : null);
1251        pokeSystemProperties();
1252    }
1253
1254    private void updateDebugHwOverdrawOptions() {
1255        String value = SystemProperties.get(ThreadedRenderer.DEBUG_OVERDRAW_PROPERTY);
1256        if (value == null) {
1257            value = "";
1258        }
1259
1260        CharSequence[] values = mDebugHwOverdraw.getEntryValues();
1261        for (int i = 0; i < values.length; i++) {
1262            if (value.contentEquals(values[i])) {
1263                mDebugHwOverdraw.setValueIndex(i);
1264                mDebugHwOverdraw.setSummary(mDebugHwOverdraw.getEntries()[i]);
1265                return;
1266            }
1267        }
1268        mDebugHwOverdraw.setValueIndex(0);
1269        mDebugHwOverdraw.setSummary(mDebugHwOverdraw.getEntries()[0]);
1270    }
1271
1272    private void writeDebugHwOverdrawOptions(Object newValue) {
1273        SystemProperties.set(ThreadedRenderer.DEBUG_OVERDRAW_PROPERTY,
1274                newValue == null ? "" : newValue.toString());
1275        pokeSystemProperties();
1276        updateDebugHwOverdrawOptions();
1277    }
1278
1279    private void updateDebugHwRendererOptions() {
1280        String value = SystemProperties.get(ThreadedRenderer.DEBUG_RENDERER_PROPERTY);
1281        if (value == null) {
1282            value = "";
1283        }
1284
1285        CharSequence[] values = mDebugHwRenderer.getEntryValues();
1286        for (int i = 0; i < values.length; i++) {
1287            if (value.contentEquals(values[i])) {
1288                mDebugHwRenderer.setValueIndex(i);
1289                mDebugHwRenderer.setSummary(mDebugHwRenderer.getEntries()[i]);
1290                return;
1291            }
1292        }
1293        mDebugHwRenderer.setValueIndex(0);
1294        mDebugHwRenderer.setSummary(mDebugHwRenderer.getEntries()[0]);
1295    }
1296
1297    private void writeDebugHwRendererOptions(Object newValue) {
1298        SystemProperties.set(ThreadedRenderer.DEBUG_RENDERER_PROPERTY,
1299                newValue == null ? "" : newValue.toString());
1300        pokeSystemProperties();
1301        updateDebugHwRendererOptions();
1302    }
1303
1304    private void updateDebugLayoutOptions() {
1305        updateSwitchPreference(mDebugLayout,
1306                SystemProperties.getBoolean(View.DEBUG_LAYOUT_PROPERTY, false));
1307    }
1308
1309    private void writeDebugLayoutOptions() {
1310        SystemProperties.set(View.DEBUG_LAYOUT_PROPERTY,
1311                mDebugLayout.isChecked() ? "true" : "false");
1312        pokeSystemProperties();
1313    }
1314
1315    private void updateSimulateColorSpace() {
1316        final ContentResolver cr = getContentResolver();
1317        final boolean enabled = Settings.Secure.getInt(
1318                cr, Settings.Secure.ACCESSIBILITY_DISPLAY_DALTONIZER_ENABLED, 0) != 0;
1319        if (enabled) {
1320            final String mode = Integer.toString(Settings.Secure.getInt(
1321                    cr, Settings.Secure.ACCESSIBILITY_DISPLAY_DALTONIZER,
1322                    AccessibilityManager.DALTONIZER_DISABLED));
1323            mSimulateColorSpace.setValue(mode);
1324            final int index = mSimulateColorSpace.findIndexOfValue(mode);
1325            if (index < 0) {
1326                // We're using a mode controlled by accessibility preferences.
1327                mSimulateColorSpace.setSummary(getString(R.string.daltonizer_type_overridden,
1328                        getString(R.string.accessibility_display_daltonizer_preference_title)));
1329            } else {
1330                mSimulateColorSpace.setSummary("%s");
1331            }
1332        } else {
1333            mSimulateColorSpace.setValue(
1334                    Integer.toString(AccessibilityManager.DALTONIZER_DISABLED));
1335        }
1336    }
1337
1338    /**
1339     * @return <code>true</code> if the color space preference is currently
1340     * controlled by development settings
1341     */
1342    private boolean usingDevelopmentColorSpace() {
1343        final ContentResolver cr = getContentResolver();
1344        final boolean enabled = Settings.Secure.getInt(
1345                cr, Settings.Secure.ACCESSIBILITY_DISPLAY_DALTONIZER_ENABLED, 0) != 0;
1346        if (enabled) {
1347            final String mode = Integer.toString(Settings.Secure.getInt(
1348                    cr, Settings.Secure.ACCESSIBILITY_DISPLAY_DALTONIZER,
1349                    AccessibilityManager.DALTONIZER_DISABLED));
1350            final int index = mSimulateColorSpace.findIndexOfValue(mode);
1351            if (index >= 0) {
1352                // We're using a mode controlled by developer preferences.
1353                return true;
1354            }
1355        }
1356        return false;
1357    }
1358
1359    private void writeSimulateColorSpace(Object value) {
1360        final ContentResolver cr = getContentResolver();
1361        final int newMode = Integer.parseInt(value.toString());
1362        if (newMode < 0) {
1363            Settings.Secure.putInt(cr, Settings.Secure.ACCESSIBILITY_DISPLAY_DALTONIZER_ENABLED, 0);
1364        } else {
1365            Settings.Secure.putInt(cr, Settings.Secure.ACCESSIBILITY_DISPLAY_DALTONIZER_ENABLED, 1);
1366            Settings.Secure.putInt(cr, Settings.Secure.ACCESSIBILITY_DISPLAY_DALTONIZER, newMode);
1367        }
1368    }
1369
1370    private void updateColorTemperature() {
1371        updateSwitchPreference(mColorTemperaturePreference,
1372                SystemProperties.getBoolean(COLOR_TEMPERATURE_PROPERTY, false));
1373    }
1374
1375    private void writeColorTemperature() {
1376        SystemProperties.set(COLOR_TEMPERATURE_PROPERTY,
1377                mColorTemperaturePreference.isChecked() ? "1" : "0");
1378        pokeSystemProperties();
1379        Toast.makeText(getActivity(), R.string.color_temperature_toast, Toast.LENGTH_LONG).show();
1380    }
1381
1382    private void updateUSBAudioOptions() {
1383        updateSwitchPreference(mUSBAudio, Settings.Secure.getInt(getContentResolver(),
1384                Settings.Secure.USB_AUDIO_AUTOMATIC_ROUTING_DISABLED, 0) != 0);
1385    }
1386
1387    private void writeUSBAudioOptions() {
1388        Settings.Secure.putInt(getContentResolver(),
1389                Settings.Secure.USB_AUDIO_AUTOMATIC_ROUTING_DISABLED,
1390                mUSBAudio.isChecked() ? 1 : 0);
1391    }
1392
1393    private void updateForceResizableOptions() {
1394        updateSwitchPreference(mForceResizable, Settings.Global.getInt(getContentResolver(),
1395                Settings.Global.DEVELOPMENT_FORCE_RESIZABLE_ACTIVITIES, 0) != 0);
1396    }
1397
1398    private void writeForceResizableOptions() {
1399        Settings.Global.putInt(getContentResolver(),
1400                Settings.Global.DEVELOPMENT_FORCE_RESIZABLE_ACTIVITIES,
1401                mForceResizable.isChecked() ? 1 : 0);
1402    }
1403
1404    private void updateForceRtlOptions() {
1405        updateSwitchPreference(mForceRtlLayout,
1406                Settings.Global.getInt(getActivity().getContentResolver(),
1407                        Settings.Global.DEVELOPMENT_FORCE_RTL, 0) != 0);
1408    }
1409
1410    private void writeForceRtlOptions() {
1411        boolean value = mForceRtlLayout.isChecked();
1412        Settings.Global.putInt(getActivity().getContentResolver(),
1413                Settings.Global.DEVELOPMENT_FORCE_RTL, value ? 1 : 0);
1414        SystemProperties.set(Settings.Global.DEVELOPMENT_FORCE_RTL, value ? "1" : "0");
1415        LocalePicker.updateLocales(getActivity().getResources().getConfiguration().getLocales());
1416    }
1417
1418    private void updateWifiDisplayCertificationOptions() {
1419        updateSwitchPreference(mWifiDisplayCertification, Settings.Global.getInt(
1420                getActivity().getContentResolver(),
1421                Settings.Global.WIFI_DISPLAY_CERTIFICATION_ON, 0) != 0);
1422    }
1423
1424    private void writeWifiDisplayCertificationOptions() {
1425        Settings.Global.putInt(getActivity().getContentResolver(),
1426                Settings.Global.WIFI_DISPLAY_CERTIFICATION_ON,
1427                mWifiDisplayCertification.isChecked() ? 1 : 0);
1428    }
1429
1430    private void updateWifiVerboseLoggingOptions() {
1431        boolean enabled = mWifiManager.getVerboseLoggingLevel() > 0;
1432        updateSwitchPreference(mWifiVerboseLogging, enabled);
1433    }
1434
1435    private void writeWifiVerboseLoggingOptions() {
1436        mWifiManager.enableVerboseLogging(mWifiVerboseLogging.isChecked() ? 1 : 0);
1437    }
1438
1439    private void updateWifiAggressiveHandoverOptions() {
1440        boolean enabled = mWifiManager.getAggressiveHandover() > 0;
1441        updateSwitchPreference(mWifiAggressiveHandover, enabled);
1442    }
1443
1444    private void writeWifiAggressiveHandoverOptions() {
1445        mWifiManager.enableAggressiveHandover(mWifiAggressiveHandover.isChecked() ? 1 : 0);
1446    }
1447
1448    private void updateWifiAllowScansWithTrafficOptions() {
1449        boolean enabled = mWifiManager.getAllowScansWithTraffic() > 0;
1450        updateSwitchPreference(mWifiAllowScansWithTraffic, enabled);
1451    }
1452
1453    private void writeWifiAllowScansWithTrafficOptions() {
1454        mWifiManager.setAllowScansWithTraffic(mWifiAllowScansWithTraffic.isChecked() ? 1 : 0);
1455    }
1456
1457    private void updateBluetoothDisableAbsVolumeOptions() {
1458        updateSwitchPreference(mBluetoothDisableAbsVolume,
1459                SystemProperties.getBoolean(BLUETOOTH_DISABLE_ABSOLUTE_VOLUME_PROPERTY, false));
1460    }
1461
1462    private void writeBluetoothDisableAbsVolumeOptions() {
1463        SystemProperties.set(BLUETOOTH_DISABLE_ABSOLUTE_VOLUME_PROPERTY,
1464                mBluetoothDisableAbsVolume.isChecked() ? "true" : "false");
1465    }
1466
1467    private void updateBluetoothEnableInbandRingingOptions() {
1468        if (mBluetoothEnableInbandRinging != null) {
1469            updateSwitchPreference(mBluetoothEnableInbandRinging,
1470                SystemProperties.getBoolean(BLUETOOTH_ENABLE_INBAND_RINGING_PROPERTY, true));
1471        }
1472    }
1473
1474    private void writeBluetoothEnableInbandRingingOptions() {
1475        if (mBluetoothEnableInbandRinging != null) {
1476            SystemProperties.set(BLUETOOTH_ENABLE_INBAND_RINGING_PROPERTY,
1477                mBluetoothEnableInbandRinging.isChecked() ? "true" : "false");
1478        }
1479    }
1480
1481    private void updateMobileDataAlwaysOnOptions() {
1482        updateSwitchPreference(mMobileDataAlwaysOn, Settings.Global.getInt(
1483                getActivity().getContentResolver(),
1484                Settings.Global.MOBILE_DATA_ALWAYS_ON, 1) != 0);
1485    }
1486
1487    private void writeMobileDataAlwaysOnOptions() {
1488        Settings.Global.putInt(getActivity().getContentResolver(),
1489                Settings.Global.MOBILE_DATA_ALWAYS_ON,
1490                mMobileDataAlwaysOn.isChecked() ? 1 : 0);
1491    }
1492
1493    private void updateTetheringHardwareOffloadOptions() {
1494        updateSwitchPreference(mTetheringHardwareOffload, Settings.Global.getInt(
1495                getActivity().getContentResolver(),
1496                Settings.Global.TETHER_OFFLOAD_DISABLED, 0) != 1);
1497    }
1498
1499    private void writeTetheringHardwareOffloadOptions() {
1500        Settings.Global.putInt(getActivity().getContentResolver(),
1501                Settings.Global.TETHER_OFFLOAD_DISABLED,
1502                mTetheringHardwareOffload.isChecked() ? 0 : 1);
1503    }
1504
1505    private String defaultLogdSizeValue() {
1506        String defaultValue = SystemProperties.get(SELECT_LOGD_DEFAULT_SIZE_PROPERTY);
1507        if ((defaultValue == null) || (defaultValue.length() == 0)) {
1508            if (SystemProperties.get("ro.config.low_ram").equals("true")) {
1509                defaultValue = SELECT_LOGD_SVELTE_DEFAULT_SIZE_VALUE;
1510            } else {
1511                defaultValue = SELECT_LOGD_DEFAULT_SIZE_VALUE;
1512            }
1513        }
1514        return defaultValue;
1515    }
1516
1517    private void updateLogdSizeValues() {
1518        if (mLogdSize != null) {
1519            String currentTag = SystemProperties.get(SELECT_LOGD_TAG_PROPERTY);
1520            String currentValue = SystemProperties.get(SELECT_LOGD_SIZE_PROPERTY);
1521            if ((currentTag != null) && currentTag.startsWith(SELECT_LOGD_TAG_SILENCE)) {
1522                currentValue = SELECT_LOGD_OFF_SIZE_MARKER_VALUE;
1523            }
1524            if (mLogpersist != null) {
1525                String currentLogpersistEnable
1526                        = SystemProperties.get(ACTUAL_LOGPERSIST_PROPERTY_ENABLE);
1527                if ((currentLogpersistEnable == null)
1528                        || !currentLogpersistEnable.equals("true")
1529                        || currentValue.equals(SELECT_LOGD_OFF_SIZE_MARKER_VALUE)) {
1530                    writeLogpersistOption(null, true);
1531                    mLogpersist.setEnabled(false);
1532                } else if (mSettingsEnabler.getLastEnabledState()) {
1533                    mLogpersist.setEnabled(true);
1534                }
1535            }
1536            if ((currentValue == null) || (currentValue.length() == 0)) {
1537                currentValue = defaultLogdSizeValue();
1538            }
1539            String[] values = getResources().getStringArray(R.array.select_logd_size_values);
1540            String[] titles = getResources().getStringArray(R.array.select_logd_size_titles);
1541            int index = 2; // punt to second entry if not found
1542            if (SystemProperties.get("ro.config.low_ram").equals("true")) {
1543                mLogdSize.setEntries(R.array.select_logd_size_lowram_titles);
1544                titles = getResources().getStringArray(R.array.select_logd_size_lowram_titles);
1545                index = 1;
1546            }
1547            String[] summaries = getResources().getStringArray(R.array.select_logd_size_summaries);
1548            for (int i = 0; i < titles.length; i++) {
1549                if (currentValue.equals(values[i])
1550                        || currentValue.equals(titles[i])) {
1551                    index = i;
1552                    break;
1553                }
1554            }
1555            mLogdSize.setValue(values[index]);
1556            mLogdSize.setSummary(summaries[index]);
1557            mLogdSize.setOnPreferenceChangeListener(this);
1558        }
1559    }
1560
1561    private void writeLogdSizeOption(Object newValue) {
1562        boolean disable = (newValue != null) &&
1563                (newValue.toString().equals(SELECT_LOGD_OFF_SIZE_MARKER_VALUE));
1564        String currentTag = SystemProperties.get(SELECT_LOGD_TAG_PROPERTY);
1565        if (currentTag == null) {
1566            currentTag = "";
1567        }
1568        // filter clean and unstack all references to our setting
1569        String newTag = currentTag.replaceAll(
1570                ",+" + SELECT_LOGD_TAG_SILENCE, "").replaceFirst(
1571                "^" + SELECT_LOGD_TAG_SILENCE + ",*", "").replaceAll(
1572                ",+", ",").replaceFirst(
1573                ",+$", "");
1574        if (disable) {
1575            newValue = SELECT_LOGD_MINIMUM_SIZE_VALUE;
1576            // Make sure snet_event_log get through first, but do not override
1577            String snetValue = SystemProperties.get(SELECT_LOGD_SNET_TAG_PROPERTY);
1578            if ((snetValue == null) || (snetValue.length() == 0)) {
1579                snetValue = SystemProperties.get(SELECT_LOGD_RUNTIME_SNET_TAG_PROPERTY);
1580                if ((snetValue == null) || (snetValue.length() == 0)) {
1581                    SystemProperties.set(SELECT_LOGD_SNET_TAG_PROPERTY, "I");
1582                }
1583            }
1584            // Silence all log sources, security logs notwithstanding
1585            if (newTag.length() != 0) {
1586                newTag = "," + newTag;
1587            }
1588            // Stack settings, stack to help preserve original value
1589            newTag = SELECT_LOGD_TAG_SILENCE + newTag;
1590        }
1591        if (!newTag.equals(currentTag)) {
1592            SystemProperties.set(SELECT_LOGD_TAG_PROPERTY, newTag);
1593        }
1594        String defaultValue = defaultLogdSizeValue();
1595        final String size = ((newValue != null) && (newValue.toString().length() != 0)) ?
1596                newValue.toString() : defaultValue;
1597        SystemProperties.set(SELECT_LOGD_SIZE_PROPERTY, defaultValue.equals(size) ? "" : size);
1598        SystemProperties.set("ctl.start", "logd-reinit");
1599        pokeSystemProperties();
1600        updateLogdSizeValues();
1601    }
1602
1603    private void updateLogpersistValues() {
1604        if (mLogpersist == null) {
1605            return;
1606        }
1607        String currentValue = SystemProperties.get(ACTUAL_LOGPERSIST_PROPERTY);
1608        if (currentValue == null) {
1609            currentValue = "";
1610        }
1611        String currentBuffers = SystemProperties.get(ACTUAL_LOGPERSIST_PROPERTY_BUFFER);
1612        if ((currentBuffers == null) || (currentBuffers.length() == 0)) {
1613            currentBuffers = "all";
1614        }
1615        int index = 0;
1616        if (currentValue.equals(SELECT_LOGPERSIST_PROPERTY_SERVICE)) {
1617            index = 1;
1618            if (currentBuffers.equals("kernel")) {
1619                index = 3;
1620            } else if (!currentBuffers.equals("all") &&
1621                    !currentBuffers.contains("radio") &&
1622                    currentBuffers.contains("security") &&
1623                    currentBuffers.contains("kernel")) {
1624                index = 2;
1625                if (!currentBuffers.contains("default")) {
1626                    String[] contains = {"main", "events", "system", "crash"};
1627                    for (int i = 0; i < contains.length; i++) {
1628                        if (!currentBuffers.contains(contains[i])) {
1629                            index = 1;
1630                            break;
1631                        }
1632                    }
1633                }
1634            }
1635        }
1636        mLogpersist.setValue(
1637                getResources().getStringArray(R.array.select_logpersist_values)[index]);
1638        mLogpersist.setSummary(
1639                getResources().getStringArray(R.array.select_logpersist_summaries)[index]);
1640        mLogpersist.setOnPreferenceChangeListener(this);
1641        if (index != 0) {
1642            mLogpersistCleared = false;
1643        } else if (!mLogpersistCleared) {
1644            // would File.delete() directly but need to switch uid/gid to access
1645            SystemProperties.set(ACTUAL_LOGPERSIST_PROPERTY, SELECT_LOGPERSIST_PROPERTY_CLEAR);
1646            pokeSystemProperties();
1647            mLogpersistCleared = true;
1648        }
1649    }
1650
1651    private void setLogpersistOff(boolean update) {
1652        SystemProperties.set(SELECT_LOGPERSIST_PROPERTY_BUFFER, "");
1653        // deal with trampoline of empty properties
1654        SystemProperties.set(ACTUAL_LOGPERSIST_PROPERTY_BUFFER, "");
1655        SystemProperties.set(SELECT_LOGPERSIST_PROPERTY, "");
1656        SystemProperties.set(ACTUAL_LOGPERSIST_PROPERTY,
1657                update ? "" : SELECT_LOGPERSIST_PROPERTY_STOP);
1658        pokeSystemProperties();
1659        if (update) {
1660            updateLogpersistValues();
1661        } else {
1662            for (int i = 0; i < 3; i++) {
1663                String currentValue = SystemProperties.get(ACTUAL_LOGPERSIST_PROPERTY);
1664                if ((currentValue == null) || currentValue.equals("")) {
1665                    break;
1666                }
1667                try {
1668                    Thread.sleep(100);
1669                } catch (InterruptedException e) {
1670                }
1671            }
1672        }
1673    }
1674
1675    private void writeLogpersistOption(Object newValue, boolean skipWarning) {
1676        if (mLogpersist == null) {
1677            return;
1678        }
1679        String currentTag = SystemProperties.get(SELECT_LOGD_TAG_PROPERTY);
1680        if ((currentTag != null) && currentTag.startsWith(SELECT_LOGD_TAG_SILENCE)) {
1681            newValue = null;
1682            skipWarning = true;
1683        }
1684
1685        if ((newValue == null) || newValue.toString().equals("")) {
1686            if (skipWarning) {
1687                mLogpersistCleared = false;
1688            } else if (!mLogpersistCleared) {
1689                // if transitioning from on to off, pop up an are you sure?
1690                String currentValue = SystemProperties.get(ACTUAL_LOGPERSIST_PROPERTY);
1691                if ((currentValue != null) &&
1692                        currentValue.equals(SELECT_LOGPERSIST_PROPERTY_SERVICE)) {
1693                    if (mLogpersistClearDialog != null) dismissDialogs();
1694                    mLogpersistClearDialog = new AlertDialog.Builder(getActivity()).setMessage(
1695                            getActivity().getResources().getString(
1696                                    R.string.dev_logpersist_clear_warning_message))
1697                            .setTitle(R.string.dev_logpersist_clear_warning_title)
1698                            .setPositiveButton(android.R.string.yes, this)
1699                            .setNegativeButton(android.R.string.no, this)
1700                            .show();
1701                    mLogpersistClearDialog.setOnDismissListener(this);
1702                    return;
1703                }
1704            }
1705            setLogpersistOff(true);
1706            return;
1707        }
1708
1709        String currentBuffer = SystemProperties.get(ACTUAL_LOGPERSIST_PROPERTY_BUFFER);
1710        if ((currentBuffer != null) && !currentBuffer.equals(newValue.toString())) {
1711            setLogpersistOff(false);
1712        }
1713        SystemProperties.set(SELECT_LOGPERSIST_PROPERTY_BUFFER, newValue.toString());
1714        SystemProperties.set(SELECT_LOGPERSIST_PROPERTY, SELECT_LOGPERSIST_PROPERTY_SERVICE);
1715        pokeSystemProperties();
1716        for (int i = 0; i < 3; i++) {
1717            String currentValue = SystemProperties.get(ACTUAL_LOGPERSIST_PROPERTY);
1718            if ((currentValue != null)
1719                    && currentValue.equals(SELECT_LOGPERSIST_PROPERTY_SERVICE)) {
1720                break;
1721            }
1722            try {
1723                Thread.sleep(100);
1724            } catch (InterruptedException e) {
1725            }
1726        }
1727        updateLogpersistValues();
1728    }
1729
1730    private void updateUsbConfigurationValues() {
1731        if (mUsbConfiguration != null) {
1732            UsbManager manager = (UsbManager) getSystemService(Context.USB_SERVICE);
1733
1734            String[] values = getResources().getStringArray(R.array.usb_configuration_values);
1735            String[] titles = getResources().getStringArray(R.array.usb_configuration_titles);
1736            int index = 0;
1737            for (int i = 0; i < titles.length; i++) {
1738                if (manager.isFunctionEnabled(values[i])) {
1739                    index = i;
1740                    break;
1741                }
1742            }
1743            mUsbConfiguration.setValue(values[index]);
1744            mUsbConfiguration.setSummary(titles[index]);
1745            mUsbConfiguration.setOnPreferenceChangeListener(this);
1746        }
1747    }
1748
1749    private void writeUsbConfigurationOption(Object newValue) {
1750        UsbManager manager = (UsbManager) getActivity().getSystemService(Context.USB_SERVICE);
1751        String function = newValue.toString();
1752        if (function.equals("none")) {
1753            manager.setCurrentFunction(function, false);
1754        } else {
1755            manager.setCurrentFunction(function, true);
1756        }
1757    }
1758
1759    private void initBluetoothConfigurationValues() {
1760        String[] values;
1761        String[] summaries;
1762        int index;
1763
1764        // Init the AVRCP Version - Default
1765        values = getResources().getStringArray(R.array.bluetooth_avrcp_version_values);
1766        summaries = getResources().getStringArray(R.array.bluetooth_avrcp_versions);
1767        String value = SystemProperties.get(BLUETOOTH_AVRCP_VERSION_PROPERTY, values[0]);
1768        index = mBluetoothSelectAvrcpVersion.findIndexOfValue(value);
1769        mBluetoothSelectAvrcpVersion.setValue(values[index]);
1770        mBluetoothSelectAvrcpVersion.setSummary(summaries[index]);
1771
1772        // Init the Codec Type - Default
1773        values = getResources().getStringArray(R.array.bluetooth_a2dp_codec_values);
1774        summaries = getResources().getStringArray(R.array.bluetooth_a2dp_codec_summaries);
1775        index = 0;
1776        mBluetoothSelectA2dpCodec.setValue(values[index]);
1777        mBluetoothSelectA2dpCodec.setSummary(summaries[index]);
1778
1779        // Init the Sample Rate - Default
1780        values = getResources().getStringArray(R.array.bluetooth_a2dp_codec_sample_rate_values);
1781        summaries = getResources().getStringArray(R.array.bluetooth_a2dp_codec_sample_rate_summaries);
1782        index = 0;
1783        mBluetoothSelectA2dpSampleRate.setValue(values[index]);
1784        mBluetoothSelectA2dpSampleRate.setSummary(summaries[index]);
1785
1786        // Init the Bits Per Sample - Default
1787        values = getResources().getStringArray(R.array.bluetooth_a2dp_codec_bits_per_sample_values);
1788        summaries = getResources().getStringArray(R.array.bluetooth_a2dp_codec_bits_per_sample_summaries);
1789        index = 0;
1790        mBluetoothSelectA2dpBitsPerSample.setValue(values[index]);
1791        mBluetoothSelectA2dpBitsPerSample.setSummary(summaries[index]);
1792
1793        // Init the Channel Mode - Default
1794        values = getResources().getStringArray(R.array.bluetooth_a2dp_codec_channel_mode_values);
1795        summaries = getResources().getStringArray(R.array.bluetooth_a2dp_codec_channel_mode_summaries);
1796        index = 0;
1797        mBluetoothSelectA2dpChannelMode.setValue(values[index]);
1798        mBluetoothSelectA2dpChannelMode.setSummary(summaries[index]);
1799
1800        // Init the LDAC Playback Quality - ABR
1801        values = getResources().getStringArray(R.array.bluetooth_a2dp_codec_ldac_playback_quality_values);
1802        summaries = getResources().getStringArray(R.array.bluetooth_a2dp_codec_ldac_playback_quality_summaries);
1803        index = 3;
1804        mBluetoothSelectA2dpLdacPlaybackQuality.setValue(values[index]);
1805        mBluetoothSelectA2dpLdacPlaybackQuality.setSummary(summaries[index]);
1806    }
1807
1808    private void writeBluetoothAvrcpVersion(Object newValue) {
1809        SystemProperties.set(BLUETOOTH_AVRCP_VERSION_PROPERTY, newValue.toString());
1810        int index = mBluetoothSelectAvrcpVersion.findIndexOfValue(newValue.toString());
1811        if (index >= 0) {
1812            String[] titles = getResources().getStringArray(R.array.bluetooth_avrcp_versions);
1813            mBluetoothSelectAvrcpVersion.setSummary(titles[index]);
1814        }
1815    }
1816
1817    private void updateBluetoothA2dpConfigurationValues() {
1818        int index;
1819        String[] summaries;
1820        BluetoothCodecStatus codecStatus = null;
1821        BluetoothCodecConfig codecConfig = null;
1822        BluetoothCodecConfig[] codecsLocalCapabilities = null;
1823        BluetoothCodecConfig[] codecsSelectableCapabilities = null;
1824        String streaming;
1825        Resources resources = null;
1826
1827        synchronized (mBluetoothA2dpLock) {
1828            if (mBluetoothA2dp != null) {
1829                codecStatus = mBluetoothA2dp.getCodecStatus();
1830                if (codecStatus != null) {
1831                    codecConfig = codecStatus.getCodecConfig();
1832                    codecsLocalCapabilities = codecStatus.getCodecsLocalCapabilities();
1833                    codecsSelectableCapabilities = codecStatus.getCodecsSelectableCapabilities();
1834                }
1835            }
1836        }
1837        if (codecConfig == null) {
1838            return;
1839        }
1840
1841        try {
1842            resources = getResources();
1843        } catch (IllegalStateException e) {
1844            return;
1845        }
1846        if (resources == null) {
1847            return;
1848        }
1849
1850        // Update the Codec Type
1851        index = -1;
1852        switch (codecConfig.getCodecType()) {
1853        case BluetoothCodecConfig.SOURCE_CODEC_TYPE_SBC:
1854            index = 1;
1855            break;
1856        case BluetoothCodecConfig.SOURCE_CODEC_TYPE_AAC:
1857            index = 2;
1858            break;
1859        case BluetoothCodecConfig.SOURCE_CODEC_TYPE_APTX:
1860            index = 3;
1861            break;
1862        case BluetoothCodecConfig.SOURCE_CODEC_TYPE_APTX_HD:
1863            index = 4;
1864            break;
1865        case BluetoothCodecConfig.SOURCE_CODEC_TYPE_LDAC:
1866            index = 5;
1867            break;
1868        case BluetoothCodecConfig.SOURCE_CODEC_TYPE_INVALID:
1869        default:
1870            break;
1871        }
1872        if (index >= 0 && mBluetoothSelectA2dpCodec != null) {
1873            summaries = resources.getStringArray(R.array.bluetooth_a2dp_codec_summaries);
1874            streaming = resources.getString(R.string.bluetooth_select_a2dp_codec_streaming_label, summaries[index]);
1875            mBluetoothSelectA2dpCodec.setSummary(streaming);
1876        }
1877
1878        // Update the Sample Rate
1879        index = -1;
1880        switch (codecConfig.getSampleRate()) {
1881        case BluetoothCodecConfig.SAMPLE_RATE_44100:
1882            index = 1;
1883            break;
1884        case BluetoothCodecConfig.SAMPLE_RATE_48000:
1885            index = 2;
1886            break;
1887        case BluetoothCodecConfig.SAMPLE_RATE_88200:
1888            index = 3;
1889            break;
1890        case BluetoothCodecConfig.SAMPLE_RATE_96000:
1891            index = 4;
1892            break;
1893        case BluetoothCodecConfig.SAMPLE_RATE_176400:
1894        case BluetoothCodecConfig.SAMPLE_RATE_192000:
1895        case BluetoothCodecConfig.SAMPLE_RATE_NONE:
1896        default:
1897            break;
1898        }
1899        if (index >= 0 && mBluetoothSelectA2dpSampleRate != null) {
1900            summaries = resources.getStringArray(R.array.bluetooth_a2dp_codec_sample_rate_summaries);
1901            streaming = resources.getString(R.string.bluetooth_select_a2dp_codec_streaming_label, summaries[index]);
1902             mBluetoothSelectA2dpSampleRate.setSummary(streaming);
1903        }
1904
1905        // Update the Bits Per Sample
1906        index = -1;
1907        switch (codecConfig.getBitsPerSample()) {
1908        case BluetoothCodecConfig.BITS_PER_SAMPLE_16:
1909            index = 1;
1910            break;
1911        case BluetoothCodecConfig.BITS_PER_SAMPLE_24:
1912            index = 2;
1913            break;
1914        case BluetoothCodecConfig.BITS_PER_SAMPLE_32:
1915            index = 3;
1916            break;
1917        case BluetoothCodecConfig.BITS_PER_SAMPLE_NONE:
1918        default:
1919            break;
1920        }
1921        if (index >= 0 && mBluetoothSelectA2dpBitsPerSample != null) {
1922            summaries = resources.getStringArray(R.array.bluetooth_a2dp_codec_bits_per_sample_summaries);
1923            streaming = resources.getString(R.string.bluetooth_select_a2dp_codec_streaming_label, summaries[index]);
1924            mBluetoothSelectA2dpBitsPerSample.setSummary(streaming);
1925        }
1926
1927        // Update the Channel Mode
1928        index = -1;
1929        switch (codecConfig.getChannelMode()) {
1930        case BluetoothCodecConfig.CHANNEL_MODE_MONO:
1931            index = 1;
1932            break;
1933        case BluetoothCodecConfig.CHANNEL_MODE_STEREO:
1934            index = 2;
1935            break;
1936        case BluetoothCodecConfig.CHANNEL_MODE_NONE:
1937        default:
1938            break;
1939        }
1940        if (index >= 0 && mBluetoothSelectA2dpChannelMode != null) {
1941            summaries = resources.getStringArray(R.array.bluetooth_a2dp_codec_channel_mode_summaries);
1942            streaming = resources.getString(R.string.bluetooth_select_a2dp_codec_streaming_label, summaries[index]);
1943             mBluetoothSelectA2dpChannelMode.setSummary(streaming);
1944        }
1945
1946        // Update the LDAC Playback Quality
1947        // The actual values are 0, 1, 2 - those are extracted
1948        // as mod-10 remainders of a larger value.
1949        // The reason is because within BluetoothCodecConfig we cannot use
1950        // a codec-specific value of zero.
1951        index = (int)codecConfig.getCodecSpecific1();
1952        if (index > 0) {
1953            index %= 10;
1954        } else {
1955            index = -1;
1956        }
1957        switch (index) {
1958        case 0:
1959        case 1:
1960        case 2:
1961        case 3:
1962            break;
1963        default:
1964            index = -1;
1965            break;
1966        }
1967        if (index >= 0 && mBluetoothSelectA2dpLdacPlaybackQuality != null) {
1968            summaries = resources.getStringArray(R.array.bluetooth_a2dp_codec_ldac_playback_quality_summaries);
1969            streaming = resources.getString(R.string.bluetooth_select_a2dp_codec_streaming_label, summaries[index]);
1970            mBluetoothSelectA2dpLdacPlaybackQuality.setSummary(streaming);
1971        }
1972    }
1973
1974    private void writeBluetoothConfigurationOption(Preference preference,
1975                                                   Object newValue) {
1976        String[] summaries;
1977        int index;
1978        int codecTypeValue = BluetoothCodecConfig.SOURCE_CODEC_TYPE_INVALID;
1979        int codecPriorityValue = BluetoothCodecConfig.CODEC_PRIORITY_DEFAULT;
1980        int sampleRateValue = BluetoothCodecConfig.SAMPLE_RATE_NONE;
1981        int bitsPerSampleValue = BluetoothCodecConfig.BITS_PER_SAMPLE_NONE;
1982        int channelModeValue = BluetoothCodecConfig.CHANNEL_MODE_NONE;
1983        long codecSpecific1Value = 0;
1984        long codecSpecific2Value = 0;
1985        long codecSpecific3Value = 0;
1986        long codecSpecific4Value = 0;
1987
1988        // Codec Type
1989        String codecType = mBluetoothSelectA2dpCodec.getValue();
1990        if (preference == mBluetoothSelectA2dpCodec) {
1991            codecType = newValue.toString();
1992            index = mBluetoothSelectA2dpCodec.findIndexOfValue(newValue.toString());
1993            if (index >= 0) {
1994                summaries = getResources().getStringArray(R.array.bluetooth_a2dp_codec_summaries);
1995                mBluetoothSelectA2dpCodec.setSummary(summaries[index]);
1996            }
1997        }
1998        index = mBluetoothSelectA2dpCodec.findIndexOfValue(codecType);
1999        switch (index) {
2000        case 0:
2001            // Reset the priority of the current codec to default
2002            String oldValue = mBluetoothSelectA2dpCodec.getValue();
2003            switch (mBluetoothSelectA2dpCodec.findIndexOfValue(oldValue)) {
2004            case 0:
2005                break;      // No current codec
2006            case 1:
2007                codecTypeValue = BluetoothCodecConfig.SOURCE_CODEC_TYPE_SBC;
2008                break;
2009            case 2:
2010                codecTypeValue = BluetoothCodecConfig.SOURCE_CODEC_TYPE_AAC;
2011                break;
2012            case 3:
2013                codecTypeValue = BluetoothCodecConfig.SOURCE_CODEC_TYPE_APTX;
2014                break;
2015            case 4:
2016                codecTypeValue = BluetoothCodecConfig.SOURCE_CODEC_TYPE_APTX_HD;
2017                break;
2018            case 5:
2019                codecTypeValue = BluetoothCodecConfig.SOURCE_CODEC_TYPE_LDAC;
2020                break;
2021            default:
2022                break;
2023            }
2024            break;
2025        case 1:
2026            codecTypeValue = BluetoothCodecConfig.SOURCE_CODEC_TYPE_SBC;
2027            codecPriorityValue = BluetoothCodecConfig.CODEC_PRIORITY_HIGHEST;
2028            break;
2029        case 2:
2030            codecTypeValue = BluetoothCodecConfig.SOURCE_CODEC_TYPE_AAC;
2031            codecPriorityValue = BluetoothCodecConfig.CODEC_PRIORITY_HIGHEST;
2032            break;
2033        case 3:
2034            codecTypeValue = BluetoothCodecConfig.SOURCE_CODEC_TYPE_APTX;
2035            codecPriorityValue = BluetoothCodecConfig.CODEC_PRIORITY_HIGHEST;
2036            break;
2037        case 4:
2038            codecTypeValue = BluetoothCodecConfig.SOURCE_CODEC_TYPE_APTX_HD;
2039            codecPriorityValue = BluetoothCodecConfig.CODEC_PRIORITY_HIGHEST;
2040            break;
2041        case 5:
2042            codecTypeValue = BluetoothCodecConfig.SOURCE_CODEC_TYPE_LDAC;
2043            codecPriorityValue = BluetoothCodecConfig.CODEC_PRIORITY_HIGHEST;
2044            break;
2045        case 6:
2046        synchronized (mBluetoothA2dpLock) {
2047            if (mBluetoothA2dp != null) {
2048                mBluetoothA2dp.enableOptionalCodecs();
2049            }
2050        }
2051        return;
2052        case 7:
2053        synchronized (mBluetoothA2dpLock) {
2054            if (mBluetoothA2dp != null) {
2055                mBluetoothA2dp.disableOptionalCodecs();
2056            }
2057        }
2058        return;
2059        default:
2060            break;
2061        }
2062
2063        // Sample Rate
2064        String sampleRate = mBluetoothSelectA2dpSampleRate.getValue();
2065        if (preference == mBluetoothSelectA2dpSampleRate) {
2066            sampleRate = newValue.toString();
2067            index = mBluetoothSelectA2dpSampleRate.findIndexOfValue(newValue.toString());
2068            if (index >= 0) {
2069                summaries = getResources().getStringArray(R.array.bluetooth_a2dp_codec_sample_rate_summaries);
2070                mBluetoothSelectA2dpSampleRate.setSummary(summaries[index]);
2071            }
2072        }
2073        index = mBluetoothSelectA2dpSampleRate.findIndexOfValue(sampleRate);
2074        switch (index) {
2075        case 0:
2076            // Reset to default
2077            break;
2078        case 1:
2079            sampleRateValue = BluetoothCodecConfig.SAMPLE_RATE_44100;
2080            break;
2081        case 2:
2082            sampleRateValue = BluetoothCodecConfig.SAMPLE_RATE_48000;
2083            break;
2084        case 3:
2085            sampleRateValue = BluetoothCodecConfig.SAMPLE_RATE_88200;
2086            break;
2087        case 4:
2088            sampleRateValue = BluetoothCodecConfig.SAMPLE_RATE_96000;
2089            break;
2090        default:
2091            break;
2092        }
2093
2094        // Bits Per Sample
2095        String bitsPerSample = mBluetoothSelectA2dpBitsPerSample.getValue();
2096        if (preference == mBluetoothSelectA2dpBitsPerSample) {
2097            bitsPerSample = newValue.toString();
2098            index = mBluetoothSelectA2dpBitsPerSample.findIndexOfValue(newValue.toString());
2099            if (index >= 0) {
2100                summaries = getResources().getStringArray(R.array.bluetooth_a2dp_codec_bits_per_sample_summaries);
2101                mBluetoothSelectA2dpBitsPerSample.setSummary(summaries[index]);
2102            }
2103        }
2104        index = mBluetoothSelectA2dpBitsPerSample.findIndexOfValue(bitsPerSample);
2105        switch (index) {
2106        case 0:
2107            // Reset to default
2108            break;
2109        case 1:
2110            bitsPerSampleValue = BluetoothCodecConfig.BITS_PER_SAMPLE_16;
2111            break;
2112        case 2:
2113            bitsPerSampleValue = BluetoothCodecConfig.BITS_PER_SAMPLE_24;
2114            break;
2115        case 3:
2116            bitsPerSampleValue = BluetoothCodecConfig.BITS_PER_SAMPLE_32;
2117            break;
2118        default:
2119            break;
2120        }
2121
2122        // Channel Mode
2123        String channelMode = mBluetoothSelectA2dpChannelMode.getValue();
2124        if (preference == mBluetoothSelectA2dpChannelMode) {
2125            channelMode = newValue.toString();
2126            index = mBluetoothSelectA2dpChannelMode.findIndexOfValue(newValue.toString());
2127            if (index >= 0) {
2128                summaries = getResources().getStringArray(R.array.bluetooth_a2dp_codec_channel_mode_summaries);
2129                mBluetoothSelectA2dpChannelMode.setSummary(summaries[index]);
2130            }
2131        }
2132        index = mBluetoothSelectA2dpChannelMode.findIndexOfValue(channelMode);
2133        switch (index) {
2134        case 0:
2135            // Reset to default
2136            break;
2137        case 1:
2138            channelModeValue = BluetoothCodecConfig.CHANNEL_MODE_MONO;
2139            break;
2140        case 2:
2141            channelModeValue = BluetoothCodecConfig.CHANNEL_MODE_STEREO;
2142            break;
2143        default:
2144            break;
2145        }
2146
2147        // LDAC Playback Quality
2148        String ldacPlaybackQuality = mBluetoothSelectA2dpLdacPlaybackQuality.getValue();
2149        if (preference == mBluetoothSelectA2dpLdacPlaybackQuality) {
2150            ldacPlaybackQuality = newValue.toString();
2151            index = mBluetoothSelectA2dpLdacPlaybackQuality.findIndexOfValue(newValue.toString());
2152            if (index >= 0) {
2153                summaries = getResources().getStringArray(R.array.bluetooth_a2dp_codec_ldac_playback_quality_summaries);
2154                mBluetoothSelectA2dpLdacPlaybackQuality.setSummary(summaries[index]);
2155            }
2156        }
2157        index = mBluetoothSelectA2dpLdacPlaybackQuality.findIndexOfValue(ldacPlaybackQuality);
2158        switch (index) {
2159        case 0:
2160        case 1:
2161        case 2:
2162        case 3:
2163            codecSpecific1Value = 1000 + index;
2164            break;
2165        default:
2166            break;
2167        }
2168
2169        BluetoothCodecConfig codecConfig =
2170            new BluetoothCodecConfig(codecTypeValue, codecPriorityValue,
2171                                     sampleRateValue, bitsPerSampleValue,
2172                                     channelModeValue, codecSpecific1Value,
2173                                     codecSpecific2Value, codecSpecific3Value,
2174                                     codecSpecific4Value);
2175
2176        synchronized (mBluetoothA2dpLock) {
2177            if (mBluetoothA2dp != null) {
2178                mBluetoothA2dp.setCodecConfigPreference(codecConfig);
2179            }
2180        }
2181    }
2182
2183    private void writeImmediatelyDestroyActivitiesOptions() {
2184        try {
2185            ActivityManager.getService().setAlwaysFinish(
2186                    mImmediatelyDestroyActivities.isChecked());
2187        } catch (RemoteException ex) {
2188        }
2189    }
2190
2191    private void updateImmediatelyDestroyActivitiesOptions() {
2192        updateSwitchPreference(mImmediatelyDestroyActivities, Settings.Global.getInt(
2193                getActivity().getContentResolver(), Settings.Global.ALWAYS_FINISH_ACTIVITIES, 0)
2194                != 0);
2195    }
2196
2197    private void updateAnimationScaleValue(int which, ListPreference pref) {
2198        try {
2199            float scale = mWindowManager.getAnimationScale(which);
2200            if (scale != 1) {
2201                mHaveDebugSettings = true;
2202            }
2203            CharSequence[] values = pref.getEntryValues();
2204            for (int i = 0; i < values.length; i++) {
2205                float val = Float.parseFloat(values[i].toString());
2206                if (scale <= val) {
2207                    pref.setValueIndex(i);
2208                    pref.setSummary(pref.getEntries()[i]);
2209                    return;
2210                }
2211            }
2212            pref.setValueIndex(values.length - 1);
2213            pref.setSummary(pref.getEntries()[0]);
2214        } catch (RemoteException e) {
2215        }
2216    }
2217
2218    private void updateAnimationScaleOptions() {
2219        updateAnimationScaleValue(0, mWindowAnimationScale);
2220        updateAnimationScaleValue(1, mTransitionAnimationScale);
2221        updateAnimationScaleValue(2, mAnimatorDurationScale);
2222    }
2223
2224    private void writeAnimationScaleOption(int which, ListPreference pref, Object newValue) {
2225        try {
2226            float scale = newValue != null ? Float.parseFloat(newValue.toString()) : 1;
2227            mWindowManager.setAnimationScale(which, scale);
2228            updateAnimationScaleValue(which, pref);
2229        } catch (RemoteException e) {
2230        }
2231    }
2232
2233    private void updateOverlayDisplayDevicesOptions() {
2234        String value = Settings.Global.getString(getActivity().getContentResolver(),
2235                Settings.Global.OVERLAY_DISPLAY_DEVICES);
2236        if (value == null) {
2237            value = "";
2238        }
2239
2240        CharSequence[] values = mOverlayDisplayDevices.getEntryValues();
2241        for (int i = 0; i < values.length; i++) {
2242            if (value.contentEquals(values[i])) {
2243                mOverlayDisplayDevices.setValueIndex(i);
2244                mOverlayDisplayDevices.setSummary(mOverlayDisplayDevices.getEntries()[i]);
2245                return;
2246            }
2247        }
2248        mOverlayDisplayDevices.setValueIndex(0);
2249        mOverlayDisplayDevices.setSummary(mOverlayDisplayDevices.getEntries()[0]);
2250    }
2251
2252    private void writeOverlayDisplayDevicesOptions(Object newValue) {
2253        Settings.Global.putString(getActivity().getContentResolver(),
2254                Settings.Global.OVERLAY_DISPLAY_DEVICES, (String) newValue);
2255        updateOverlayDisplayDevicesOptions();
2256    }
2257
2258    private void updateAppProcessLimitOptions() {
2259        try {
2260            int limit = ActivityManager.getService().getProcessLimit();
2261            CharSequence[] values = mAppProcessLimit.getEntryValues();
2262            for (int i = 0; i < values.length; i++) {
2263                int val = Integer.parseInt(values[i].toString());
2264                if (val >= limit) {
2265                    if (i != 0) {
2266                        mHaveDebugSettings = true;
2267                    }
2268                    mAppProcessLimit.setValueIndex(i);
2269                    mAppProcessLimit.setSummary(mAppProcessLimit.getEntries()[i]);
2270                    return;
2271                }
2272            }
2273            mAppProcessLimit.setValueIndex(0);
2274            mAppProcessLimit.setSummary(mAppProcessLimit.getEntries()[0]);
2275        } catch (RemoteException e) {
2276        }
2277    }
2278
2279    private void writeAppProcessLimitOptions(Object newValue) {
2280        try {
2281            int limit = newValue != null ? Integer.parseInt(newValue.toString()) : -1;
2282            ActivityManager.getService().setProcessLimit(limit);
2283            updateAppProcessLimitOptions();
2284        } catch (RemoteException e) {
2285        }
2286    }
2287
2288    private void writeShowAllANRsOptions() {
2289        Settings.Secure.putInt(getActivity().getContentResolver(),
2290                Settings.Secure.ANR_SHOW_BACKGROUND,
2291                mShowAllANRs.isChecked() ? 1 : 0);
2292    }
2293
2294    private void updateShowAllANRsOptions() {
2295        updateSwitchPreference(mShowAllANRs, Settings.Secure.getInt(
2296                getActivity().getContentResolver(), Settings.Secure.ANR_SHOW_BACKGROUND, 0) != 0);
2297    }
2298
2299    private void writeShowNotificationChannelWarningsOptions() {
2300        Settings.Global.putInt(getActivity().getContentResolver(),
2301                Settings.Global.SHOW_NOTIFICATION_CHANNEL_WARNINGS,
2302                mShowNotificationChannelWarnings.isChecked() ? 1 : 0);
2303    }
2304
2305    private void updateShowNotificationChannelWarningsOptions() {
2306        final int defaultWarningEnabled = Build.IS_DEBUGGABLE ? 1 : 0;
2307        updateSwitchPreference(mShowNotificationChannelWarnings, Settings.Global.getInt(
2308                getActivity().getContentResolver(),
2309                Settings.Global.SHOW_NOTIFICATION_CHANNEL_WARNINGS, defaultWarningEnabled) != 0);
2310    }
2311
2312    private void confirmEnableOemUnlock() {
2313        DialogInterface.OnClickListener onClickListener = new DialogInterface.OnClickListener() {
2314            @Override
2315            public void onClick(DialogInterface dialog, int which) {
2316                if (which == DialogInterface.BUTTON_POSITIVE) {
2317                    mOemLockManager.setOemUnlockAllowedByUser(true);
2318                }
2319            }
2320        };
2321
2322        DialogInterface.OnDismissListener onDismissListener =
2323                new DialogInterface.OnDismissListener() {
2324                    @Override
2325                    public void onDismiss(DialogInterface dialog) {
2326                        if (getActivity() == null) {
2327                            return;
2328                        }
2329                        updateAllOptions();
2330                    }
2331                };
2332
2333        new AlertDialog.Builder(getActivity())
2334                .setTitle(R.string.confirm_enable_oem_unlock_title)
2335                .setMessage(R.string.confirm_enable_oem_unlock_text)
2336                .setPositiveButton(R.string.enable_text, onClickListener)
2337                .setNegativeButton(android.R.string.cancel, null)
2338                .setOnDismissListener(onDismissListener)
2339                .create()
2340                .show();
2341    }
2342
2343    @Override
2344    public void onSwitchChanged(Switch switchView, boolean isChecked) {
2345        if (switchView != mSwitchBar.getSwitch()) {
2346            return;
2347        }
2348        final boolean lastEnabledState = mSettingsEnabler.getLastEnabledState();
2349        if (isChecked != lastEnabledState) {
2350            if (isChecked) {
2351                mDialogClicked = false;
2352                if (mEnableDialog != null) dismissDialogs();
2353                mEnableDialog = new AlertDialog.Builder(getActivity()).setMessage(
2354                        getActivity().getResources().getString(
2355                                R.string.dev_settings_warning_message))
2356                        .setTitle(R.string.dev_settings_warning_title)
2357                        .setPositiveButton(android.R.string.yes, this)
2358                        .setNegativeButton(android.R.string.no, this)
2359                        .show();
2360                mEnableDialog.setOnDismissListener(this);
2361            } else {
2362                resetDangerousOptions();
2363                mSettingsEnabler.disableDevelopmentSettings();
2364                setPrefsEnabledState(false);
2365            }
2366        }
2367    }
2368
2369    @Override
2370    public void onActivityResult(int requestCode, int resultCode, Intent data) {
2371        if (requestCode == RESULT_DEBUG_APP) {
2372            if (resultCode == Activity.RESULT_OK) {
2373                mDebugApp = data.getAction();
2374                writeDebuggerOptions();
2375                updateDebuggerOptions();
2376            }
2377        } else if (requestCode == RESULT_MOCK_LOCATION_APP) {
2378            if (resultCode == Activity.RESULT_OK) {
2379                mMockLocationApp = data.getAction();
2380                writeMockLocation();
2381                updateMockLocation();
2382            }
2383        } else if (requestCode == REQUEST_CODE_ENABLE_OEM_UNLOCK) {
2384            if (resultCode == Activity.RESULT_OK) {
2385                if (mEnableOemUnlock.isChecked()) {
2386                    confirmEnableOemUnlock();
2387                } else {
2388                    mOemLockManager.setOemUnlockAllowedByUser(false);
2389                }
2390            }
2391        } else {
2392            super.onActivityResult(requestCode, resultCode, data);
2393        }
2394    }
2395
2396    @Override
2397    public boolean onPreferenceTreeClick(Preference preference) {
2398        if (Utils.isMonkeyRunning()) {
2399            return false;
2400        }
2401
2402        if (mBugReportInPowerController.handlePreferenceTreeClick(preference)) {
2403            return true;
2404        }
2405
2406        if (mTelephonyMonitorController.handlePreferenceTreeClick(preference)) {
2407            return true;
2408        }
2409
2410        if (mWebViewAppPrefController.handlePreferenceTreeClick(preference)) {
2411            return true;
2412        }
2413
2414        if (mVerifyAppsOverUsbController.handlePreferenceTreeClick(preference)) {
2415            return true;
2416        }
2417
2418        if (mCameraHalHdrplusController.handlePreferenceTreeClick(preference)) {
2419            return true;
2420        }
2421
2422        if (preference == mEnableAdb) {
2423            if (mEnableAdb.isChecked()) {
2424                mDialogClicked = false;
2425                if (mAdbDialog != null) dismissDialogs();
2426                mAdbDialog = new AlertDialog.Builder(getActivity()).setMessage(
2427                        getActivity().getResources().getString(R.string.adb_warning_message))
2428                        .setTitle(R.string.adb_warning_title)
2429                        .setPositiveButton(android.R.string.yes, this)
2430                        .setNegativeButton(android.R.string.no, this)
2431                        .show();
2432                mAdbDialog.setOnDismissListener(this);
2433            } else {
2434                Settings.Global.putInt(getActivity().getContentResolver(),
2435                        Settings.Global.ADB_ENABLED, 0);
2436                mVerifyAppsOverUsbController.updatePreference();
2437                updateBugreportOptions();
2438            }
2439        } else if (preference == mClearAdbKeys) {
2440            if (mAdbKeysDialog != null) dismissDialogs();
2441            mAdbKeysDialog = new AlertDialog.Builder(getActivity())
2442                    .setMessage(R.string.adb_keys_warning_message)
2443                    .setPositiveButton(android.R.string.ok, this)
2444                    .setNegativeButton(android.R.string.cancel, null)
2445                    .show();
2446        } else if (preference == mEnableTerminal) {
2447            final PackageManager pm = getActivity().getPackageManager();
2448            pm.setApplicationEnabledSetting(TERMINAL_APP_PACKAGE,
2449                    mEnableTerminal.isChecked() ? PackageManager.COMPONENT_ENABLED_STATE_ENABLED
2450                            : PackageManager.COMPONENT_ENABLED_STATE_DEFAULT, 0);
2451        } else if (preference == mKeepScreenOn) {
2452            Settings.Global.putInt(getActivity().getContentResolver(),
2453                    Settings.Global.STAY_ON_WHILE_PLUGGED_IN,
2454                    mKeepScreenOn.isChecked() ?
2455                            (BatteryManager.BATTERY_PLUGGED_AC | BatteryManager.BATTERY_PLUGGED_USB
2456                                    | BatteryManager.BATTERY_PLUGGED_WIRELESS) : 0);
2457        } else if (preference == mBtHciSnoopLog) {
2458            writeBtHciSnoopLogOptions();
2459        } else if (preference == mEnableOemUnlock && mEnableOemUnlock.isEnabled()) {
2460            if (mEnableOemUnlock.isChecked()) {
2461                if (!showKeyguardConfirmation(getResources(), REQUEST_CODE_ENABLE_OEM_UNLOCK)) {
2462                    confirmEnableOemUnlock();
2463                }
2464            } else {
2465                mOemLockManager.setOemUnlockAllowedByUser(false);
2466            }
2467        } else if (preference == mMockLocationAppPref) {
2468            Intent intent = new Intent(getActivity(), AppPicker.class);
2469            intent.putExtra(AppPicker.EXTRA_REQUESTIING_PERMISSION,
2470                    Manifest.permission.ACCESS_MOCK_LOCATION);
2471            startActivityForResult(intent, RESULT_MOCK_LOCATION_APP);
2472        } else if (preference == mDebugViewAttributes) {
2473            Settings.Global.putInt(getActivity().getContentResolver(),
2474                    Settings.Global.DEBUG_VIEW_ATTRIBUTES,
2475                    mDebugViewAttributes.isChecked() ? 1 : 0);
2476        } else if (preference == mForceAllowOnExternal) {
2477            Settings.Global.putInt(getActivity().getContentResolver(),
2478                    Settings.Global.FORCE_ALLOW_ON_EXTERNAL,
2479                    mForceAllowOnExternal.isChecked() ? 1 : 0);
2480        } else if (preference == mDebugAppPref) {
2481            Intent intent = new Intent(getActivity(), AppPicker.class);
2482            intent.putExtra(AppPicker.EXTRA_DEBUGGABLE, true);
2483            startActivityForResult(intent, RESULT_DEBUG_APP);
2484        } else if (preference == mWaitForDebugger) {
2485            writeDebuggerOptions();
2486        } else if (preference == mOtaDisableAutomaticUpdate) {
2487            writeOtaDisableAutomaticUpdateOptions();
2488        } else if (preference == mStrictMode) {
2489            writeStrictModeVisualOptions();
2490        } else if (preference == mPointerLocation) {
2491            writePointerLocationOptions();
2492        } else if (preference == mShowTouches) {
2493            writeShowTouchesOptions();
2494        } else if (preference == mShowScreenUpdates) {
2495            writeShowUpdatesOption();
2496        } else if (preference == mDisableOverlays) {
2497            writeDisableOverlaysOption();
2498        } else if (preference == mImmediatelyDestroyActivities) {
2499            writeImmediatelyDestroyActivitiesOptions();
2500        } else if (preference == mShowAllANRs) {
2501            writeShowAllANRsOptions();
2502        } else if (preference == mShowNotificationChannelWarnings) {
2503            writeShowNotificationChannelWarningsOptions();
2504        } else if (preference == mForceHardwareUi) {
2505            writeHardwareUiOptions();
2506        } else if (preference == mForceMsaa) {
2507            writeMsaaOptions();
2508        } else if (preference == mShowHwScreenUpdates) {
2509            writeShowHwScreenUpdatesOptions();
2510        } else if (preference == mShowHwLayersUpdates) {
2511            writeShowHwLayersUpdatesOptions();
2512        } else if (preference == mDebugLayout) {
2513            writeDebugLayoutOptions();
2514        } else if (preference == mForceRtlLayout) {
2515            writeForceRtlOptions();
2516        } else if (preference == mWifiDisplayCertification) {
2517            writeWifiDisplayCertificationOptions();
2518        } else if (preference == mWifiVerboseLogging) {
2519            writeWifiVerboseLoggingOptions();
2520        } else if (preference == mWifiAggressiveHandover) {
2521            writeWifiAggressiveHandoverOptions();
2522        } else if (preference == mWifiAllowScansWithTraffic) {
2523            writeWifiAllowScansWithTrafficOptions();
2524        } else if (preference == mMobileDataAlwaysOn) {
2525            writeMobileDataAlwaysOnOptions();
2526        } else if (preference == mTetheringHardwareOffload) {
2527            writeTetheringHardwareOffloadOptions();
2528        } else if (preference == mColorTemperaturePreference) {
2529            writeColorTemperature();
2530        } else if (preference == mUSBAudio) {
2531            writeUSBAudioOptions();
2532        } else if (preference == mForceResizable) {
2533            writeForceResizableOptions();
2534        } else if (preference == mBluetoothDisableAbsVolume) {
2535            writeBluetoothDisableAbsVolumeOptions();
2536        } else if (preference == mBluetoothEnableInbandRinging) {
2537            writeBluetoothEnableInbandRingingOptions();
2538        } else if (SHORTCUT_MANAGER_RESET_KEY.equals(preference.getKey())) {
2539            resetShortcutManagerThrottling();
2540        } else {
2541            return super.onPreferenceTreeClick(preference);
2542        }
2543
2544        return false;
2545    }
2546
2547    private boolean showKeyguardConfirmation(Resources resources, int requestCode) {
2548        return new ChooseLockSettingsHelper(getActivity(), this).launchConfirmationActivity(
2549                requestCode, resources.getString(R.string.oem_unlock_enable));
2550    }
2551
2552    @Override
2553    public boolean onPreferenceChange(Preference preference, Object newValue) {
2554        if (HDCP_CHECKING_KEY.equals(preference.getKey())) {
2555            SystemProperties.set(HDCP_CHECKING_PROPERTY, newValue.toString());
2556            updateHdcpValues();
2557            pokeSystemProperties();
2558            return true;
2559        } else if (preference == mBluetoothSelectAvrcpVersion) {
2560           writeBluetoothAvrcpVersion(newValue);
2561           return true;
2562        } else if ((preference == mBluetoothSelectA2dpCodec) ||
2563                   (preference == mBluetoothSelectA2dpSampleRate) ||
2564                   (preference == mBluetoothSelectA2dpBitsPerSample) ||
2565                   (preference == mBluetoothSelectA2dpChannelMode) ||
2566                   (preference == mBluetoothSelectA2dpLdacPlaybackQuality)) {
2567            writeBluetoothConfigurationOption(preference, newValue);
2568            return true;
2569        } else if (preference == mLogdSize) {
2570            writeLogdSizeOption(newValue);
2571            return true;
2572        } else if (preference == mLogpersist) {
2573            writeLogpersistOption(newValue, false);
2574            return true;
2575        } else if (preference == mUsbConfiguration) {
2576            writeUsbConfigurationOption(newValue);
2577            return true;
2578        } else if (preference == mWindowAnimationScale) {
2579            writeAnimationScaleOption(0, mWindowAnimationScale, newValue);
2580            return true;
2581        } else if (preference == mTransitionAnimationScale) {
2582            writeAnimationScaleOption(1, mTransitionAnimationScale, newValue);
2583            return true;
2584        } else if (preference == mAnimatorDurationScale) {
2585            writeAnimationScaleOption(2, mAnimatorDurationScale, newValue);
2586            return true;
2587        } else if (preference == mOverlayDisplayDevices) {
2588            writeOverlayDisplayDevicesOptions(newValue);
2589            return true;
2590        } else if (preference == mTrackFrameTime) {
2591            writeTrackFrameTimeOptions(newValue);
2592            return true;
2593        } else if (preference == mDebugHwOverdraw) {
2594            writeDebugHwOverdrawOptions(newValue);
2595            return true;
2596        } else if (preference == mDebugHwRenderer) {
2597            writeDebugHwRendererOptions(newValue);
2598            return true;
2599        } else if (preference == mShowNonRectClip) {
2600            writeShowNonRectClipOptions(newValue);
2601            return true;
2602        } else if (preference == mAppProcessLimit) {
2603            writeAppProcessLimitOptions(newValue);
2604            return true;
2605        } else if (preference == mSimulateColorSpace) {
2606            writeSimulateColorSpace(newValue);
2607            return true;
2608        }
2609        return false;
2610    }
2611
2612    private void dismissDialogs() {
2613        if (mAdbDialog != null) {
2614            mAdbDialog.dismiss();
2615            mAdbDialog = null;
2616        }
2617        if (mAdbKeysDialog != null) {
2618            mAdbKeysDialog.dismiss();
2619            mAdbKeysDialog = null;
2620        }
2621        if (mEnableDialog != null) {
2622            mEnableDialog.dismiss();
2623            mEnableDialog = null;
2624        }
2625        if (mLogpersistClearDialog != null) {
2626            mLogpersistClearDialog.dismiss();
2627            mLogpersistClearDialog = null;
2628        }
2629    }
2630
2631    public void onClick(DialogInterface dialog, int which) {
2632        if (dialog == mAdbDialog) {
2633            if (which == DialogInterface.BUTTON_POSITIVE) {
2634                mDialogClicked = true;
2635                Settings.Global.putInt(getActivity().getContentResolver(),
2636                        Settings.Global.ADB_ENABLED, 1);
2637                mVerifyAppsOverUsbController.updatePreference();
2638                updateBugreportOptions();
2639            } else {
2640                // Reset the toggle
2641                mEnableAdb.setChecked(false);
2642            }
2643        } else if (dialog == mAdbKeysDialog) {
2644            if (which == DialogInterface.BUTTON_POSITIVE) {
2645                try {
2646                    IBinder b = ServiceManager.getService(Context.USB_SERVICE);
2647                    IUsbManager service = IUsbManager.Stub.asInterface(b);
2648                    service.clearUsbDebuggingKeys();
2649                } catch (RemoteException e) {
2650                    Log.e(TAG, "Unable to clear adb keys", e);
2651                }
2652            }
2653        } else if (dialog == mEnableDialog) {
2654            if (which == DialogInterface.BUTTON_POSITIVE) {
2655                mDialogClicked = true;
2656                mSettingsEnabler.enableDevelopmentSettings();
2657                setPrefsEnabledState(true);
2658            } else {
2659                // Reset the toggle
2660                mSwitchBar.setChecked(false);
2661            }
2662        } else if (dialog == mLogpersistClearDialog) {
2663            if (which == DialogInterface.BUTTON_POSITIVE) {
2664                setLogpersistOff(true);
2665            } else {
2666                updateLogpersistValues();
2667            }
2668        }
2669    }
2670
2671    public void onDismiss(DialogInterface dialog) {
2672        // Assuming that onClick gets called first
2673        if (dialog == mAdbDialog) {
2674            if (!mDialogClicked) {
2675                mEnableAdb.setChecked(false);
2676            }
2677            mAdbDialog = null;
2678        } else if (dialog == mEnableDialog) {
2679            if (!mDialogClicked) {
2680                mSwitchBar.setChecked(false);
2681            }
2682            mEnableDialog = null;
2683        } else if (dialog == mLogpersistClearDialog) {
2684            mLogpersistClearDialog = null;
2685        }
2686    }
2687
2688    @Override
2689    public void onDestroy() {
2690        dismissDialogs();
2691        super.onDestroy();
2692    }
2693
2694    void pokeSystemProperties() {
2695        if (!mDontPokeProperties) {
2696            //noinspection unchecked
2697            (new SystemPropPoker()).execute();
2698        }
2699    }
2700
2701    private BroadcastReceiver mUsbReceiver = new BroadcastReceiver() {
2702        @Override
2703        public void onReceive(Context context, Intent intent) {
2704            updateUsbConfigurationValues();
2705        }
2706    };
2707
2708    private BroadcastReceiver mBluetoothA2dpReceiver = new BroadcastReceiver() {
2709        @Override
2710        public void onReceive(Context context, Intent intent) {
2711            Log.d(TAG, "mBluetoothA2dpReceiver.onReceive intent=" + intent);
2712            String action = intent.getAction();
2713
2714            if (BluetoothA2dp.ACTION_CODEC_CONFIG_CHANGED.equals(action)) {
2715                BluetoothCodecStatus codecStatus =
2716                    (BluetoothCodecStatus)intent.getParcelableExtra(BluetoothCodecStatus.EXTRA_CODEC_STATUS);
2717                Log.d(TAG, "Received BluetoothCodecStatus=" + codecStatus);
2718                updateBluetoothA2dpConfigurationValues();
2719            }
2720        }
2721    };
2722
2723    private BluetoothProfile.ServiceListener mBluetoothA2dpServiceListener =
2724        new BluetoothProfile.ServiceListener() {
2725            public void onServiceConnected(int profile,
2726                                           BluetoothProfile proxy) {
2727                synchronized (mBluetoothA2dpLock) {
2728                    mBluetoothA2dp = (BluetoothA2dp) proxy;
2729                }
2730                updateBluetoothA2dpConfigurationValues();
2731            }
2732
2733            public void onServiceDisconnected(int profile) {
2734                synchronized (mBluetoothA2dpLock) {
2735                    mBluetoothA2dp = null;
2736                }
2737                updateBluetoothA2dpConfigurationValues();
2738            }
2739        };
2740
2741    public static class SystemPropPoker extends AsyncTask<Void, Void, Void> {
2742        @Override
2743        protected Void doInBackground(Void... params) {
2744            String[] services = ServiceManager.listServices();
2745            for (String service : services) {
2746                IBinder obj = ServiceManager.checkService(service);
2747                if (obj != null) {
2748                    Parcel data = Parcel.obtain();
2749                    try {
2750                        obj.transact(IBinder.SYSPROPS_TRANSACTION, data, null, 0);
2751                    } catch (RemoteException e) {
2752                    } catch (Exception e) {
2753                        Log.i(TAG, "Someone wrote a bad service '" + service
2754                                + "' that doesn't like to be poked: " + e);
2755                    }
2756                    data.recycle();
2757                }
2758            }
2759            return null;
2760        }
2761    }
2762
2763    private static boolean isPackageInstalled(Context context, String packageName) {
2764        try {
2765            return context.getPackageManager().getPackageInfo(packageName, 0) != null;
2766        } catch (NameNotFoundException e) {
2767            return false;
2768        }
2769    }
2770
2771
2772    /**
2773     * For Search.
2774     */
2775    public static final Indexable.SearchIndexProvider SEARCH_INDEX_DATA_PROVIDER =
2776            new BaseSearchIndexProvider() {
2777
2778                @Override
2779                protected boolean isPageSearchEnabled(Context context) {
2780                    return context.getSharedPreferences(DevelopmentSettings.PREF_FILE,
2781                            Context.MODE_PRIVATE).getBoolean(
2782                            DevelopmentSettings.PREF_SHOW,
2783                            android.os.Build.TYPE.equals("eng"));
2784                }
2785
2786                @Override
2787                public List<SearchIndexableResource> getXmlResourcesToIndex(
2788                        Context context, boolean enabled) {
2789
2790                    final SearchIndexableResource sir = new SearchIndexableResource(context);
2791                    sir.xmlResId = R.xml.development_prefs;
2792                    return Arrays.asList(sir);
2793                }
2794
2795                @Override
2796                public List<String> getNonIndexableKeys(Context context) {
2797                    final List<String> keys = super.getNonIndexableKeys(context);
2798
2799                    if (!showEnableOemUnlockPreference(context)) {
2800                        keys.add(ENABLE_OEM_UNLOCK);
2801                    }
2802                    return keys;
2803                }
2804            };
2805
2806    private void resetShortcutManagerThrottling() {
2807        final IShortcutService service = IShortcutService.Stub.asInterface(
2808                ServiceManager.getService(Context.SHORTCUT_SERVICE));
2809        if (service != null) {
2810            try {
2811                service.resetThrottling();
2812                Toast.makeText(getActivity(), R.string.reset_shortcut_manager_throttling_complete,
2813                        Toast.LENGTH_SHORT).show();
2814            } catch (RemoteException e) {
2815                Log.e(TAG, "Failed to reset rate limiting", e);
2816            }
2817        }
2818    }
2819
2820    private void updateOemUnlockSettingDescription() {
2821        if (mEnableOemUnlock != null) {
2822            int oemUnlockSummary = R.string.oem_unlock_enable_summary;
2823            if (isBootloaderUnlocked()) {
2824                oemUnlockSummary = R.string.oem_unlock_enable_disabled_summary_bootloader_unlocked;
2825            } else if (isSimLockedDevice()) {
2826                oemUnlockSummary = R.string.oem_unlock_enable_disabled_summary_sim_locked_device;
2827            } else if (!mOemLockManager.canUserAllowOemUnlock()) {
2828                // If the device isn't SIM-locked but OEM unlock is disallowed by some party, this
2829                // means either some other carrier restriction is in place or the device hasn't been
2830                // able to confirm which restrictions (SIM-lock or otherwise) apply.
2831                oemUnlockSummary =
2832                        R.string.oem_unlock_enable_disabled_summary_connectivity_or_locked;
2833            }
2834            mEnableOemUnlock.setSummary(getString(oemUnlockSummary));
2835        }
2836    }
2837
2838    /** Returns {@code true} if the device is SIM-locked. Otherwise, returns {@code false}. */
2839    private boolean isSimLockedDevice() {
2840        int phoneCount = mTelephonyManager.getPhoneCount();
2841        for (int i = 0; i < phoneCount; i++) {
2842            if (mTelephonyManager.getAllowedCarriers(i).size() > 0) {
2843                return true;
2844            }
2845        }
2846        return false;
2847    }
2848
2849    /**
2850     * Returns {@code true} if the bootloader has been unlocked. Otherwise, returns {code false}.
2851     */
2852    private boolean isBootloaderUnlocked() {
2853        return mOemLockManager.isDeviceOemUnlocked();
2854    }
2855
2856
2857}
2858