DevelopmentSettings.java revision 03c4a7401ec8a197794da4ce4c7eddae91dbb77d 
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
361    public DevelopmentSettings() {
362        super(UserManager.DISALLOW_DEBUGGING_FEATURES);
363    }
364
365    @Override
366    public int getMetricsCategory() {
367        return MetricsEvent.DEVELOPMENT;
368    }
369
370    @Override
371    public void onAttach(Context context) {
372        super.onAttach(context);
373        mSettingsEnabler = new DevelopmentSettingsEnabler(context, getLifecycle());
374        mDashboardFeatureProvider = FeatureFactory.getFactory(context)
375                .getDashboardFeatureProvider(context);
376    }
377
378    @Override
379    public void onCreate(Bundle icicle) {
380        super.onCreate(icicle);
381
382        mWindowManager = IWindowManager.Stub.asInterface(ServiceManager.getService("window"));
383        mBackupManager = IBackupManager.Stub.asInterface(
384                ServiceManager.getService(Context.BACKUP_SERVICE));
385        mWebViewUpdateService = WebViewFactory.getUpdateService();
386        mOemLockManager = (OemLockManager) getSystemService(Context.OEM_LOCK_SERVICE);
387        mTelephonyManager = (TelephonyManager) getSystemService(Context.TELEPHONY_SERVICE);
388
389        mUm = (UserManager) getSystemService(Context.USER_SERVICE);
390
391        mWifiManager = (WifiManager) getSystemService(Context.WIFI_SERVICE);
392
393        mBugReportController = new BugReportPreferenceController(getActivity());
394        mBugReportInPowerController = new BugReportInPowerPreferenceController(getActivity());
395        mTelephonyMonitorController = new TelephonyMonitorPreferenceController(getActivity());
396        mWebViewAppPrefController = new WebViewAppPreferenceController(getActivity());
397        mVerifyAppsOverUsbController = new VerifyAppsOverUsbPreferenceController(getActivity());
398
399        setIfOnlyAvailableForAdmins(true);
400        if (isUiRestricted() || !Utils.isDeviceProvisioned(getActivity())) {
401            // Block access to developer options if the user is not the owner, if user policy
402            // restricts it, or if the device has not been provisioned
403            mUnavailable = true;
404            addPreferencesFromResource(R.xml.placeholder_prefs);
405            return;
406        }
407
408        addPreferencesFromResource(R.xml.development_prefs);
409
410        final PreferenceGroup debugDebuggingCategory = (PreferenceGroup)
411                findPreference(DEBUG_DEBUGGING_CATEGORY_KEY);
412        mEnableAdb = findAndInitSwitchPref(ENABLE_ADB);
413        mClearAdbKeys = findPreference(CLEAR_ADB_KEYS);
414        if (!SystemProperties.getBoolean("ro.adb.secure", false)) {
415            if (debugDebuggingCategory != null) {
416                debugDebuggingCategory.removePreference(mClearAdbKeys);
417            }
418        }
419        mAllPrefs.add(mClearAdbKeys);
420        mEnableTerminal = findAndInitSwitchPref(ENABLE_TERMINAL);
421        if (!isPackageInstalled(getActivity(), TERMINAL_APP_PACKAGE)) {
422            debugDebuggingCategory.removePreference(mEnableTerminal);
423            mEnableTerminal = null;
424        }
425
426        mBugReportController.displayPreference(getPreferenceScreen());
427        mBugReportInPowerController.displayPreference(getPreferenceScreen());
428        mTelephonyMonitorController.displayPreference(getPreferenceScreen());
429        mWebViewAppPrefController.displayPreference(getPreferenceScreen());
430
431        mKeepScreenOn = (RestrictedSwitchPreference) findAndInitSwitchPref(KEEP_SCREEN_ON);
432        mBtHciSnoopLog = findAndInitSwitchPref(BT_HCI_SNOOP_LOG);
433        mEnableOemUnlock = (RestrictedSwitchPreference) findAndInitSwitchPref(ENABLE_OEM_UNLOCK);
434        if (!showEnableOemUnlockPreference(getActivity())) {
435            removePreference(mEnableOemUnlock);
436            mEnableOemUnlock = null;
437        }
438
439        mDebugViewAttributes = findAndInitSwitchPref(DEBUG_VIEW_ATTRIBUTES);
440        mForceAllowOnExternal = findAndInitSwitchPref(FORCE_ALLOW_ON_EXTERNAL_KEY);
441        mPassword = findPreference(LOCAL_BACKUP_PASSWORD);
442        mAllPrefs.add(mPassword);
443
444        if (!mUm.isAdminUser()) {
445            disableForUser(mEnableAdb);
446            disableForUser(mClearAdbKeys);
447            disableForUser(mEnableTerminal);
448            disableForUser(mPassword);
449        }
450
451        mDebugAppPref = findPreference(DEBUG_APP_KEY);
452        mAllPrefs.add(mDebugAppPref);
453        mWaitForDebugger = findAndInitSwitchPref(WAIT_FOR_DEBUGGER_KEY);
454
455        mMockLocationAppPref = findPreference(MOCK_LOCATION_APP_KEY);
456        mAllPrefs.add(mMockLocationAppPref);
457
458        mVerifyAppsOverUsbController.displayPreference(getPreferenceScreen());
459
460        mStrictMode = findAndInitSwitchPref(STRICT_MODE_KEY);
461        mPointerLocation = findAndInitSwitchPref(POINTER_LOCATION_KEY);
462        mShowTouches = findAndInitSwitchPref(SHOW_TOUCHES_KEY);
463        mShowScreenUpdates = findAndInitSwitchPref(SHOW_SCREEN_UPDATES_KEY);
464        mDisableOverlays = findAndInitSwitchPref(DISABLE_OVERLAYS_KEY);
465        mForceHardwareUi = findAndInitSwitchPref(FORCE_HARDWARE_UI_KEY);
466        mForceMsaa = findAndInitSwitchPref(FORCE_MSAA_KEY);
467        mTrackFrameTime = addListPreference(TRACK_FRAME_TIME_KEY);
468        mShowNonRectClip = addListPreference(SHOW_NON_RECTANGULAR_CLIP_KEY);
469        mShowHwScreenUpdates = findAndInitSwitchPref(SHOW_HW_SCREEN_UPDATES_KEY);
470        mShowHwLayersUpdates = findAndInitSwitchPref(SHOW_HW_LAYERS_UPDATES_KEY);
471        mDebugLayout = findAndInitSwitchPref(DEBUG_LAYOUT_KEY);
472        mForceRtlLayout = findAndInitSwitchPref(FORCE_RTL_LAYOUT_KEY);
473        mDebugHwOverdraw = addListPreference(DEBUG_HW_OVERDRAW_KEY);
474        mDebugHwRenderer = addListPreference(DEBUG_HW_RENDERER_KEY);
475        mWifiDisplayCertification = findAndInitSwitchPref(WIFI_DISPLAY_CERTIFICATION_KEY);
476        mWifiVerboseLogging = findAndInitSwitchPref(WIFI_VERBOSE_LOGGING_KEY);
477        mWifiAggressiveHandover = findAndInitSwitchPref(WIFI_AGGRESSIVE_HANDOVER_KEY);
478        mWifiAllowScansWithTraffic = findAndInitSwitchPref(WIFI_ALLOW_SCAN_WITH_TRAFFIC_KEY);
479        mMobileDataAlwaysOn = findAndInitSwitchPref(MOBILE_DATA_ALWAYS_ON);
480        mTetheringHardwareOffload = findAndInitSwitchPref(TETHERING_HARDWARE_OFFLOAD);
481        mLogdSize = addListPreference(SELECT_LOGD_SIZE_KEY);
482        if ("1".equals(SystemProperties.get("ro.debuggable", "0"))) {
483            mLogpersist = addListPreference(SELECT_LOGPERSIST_KEY);
484        } else {
485            mLogpersist = (ListPreference) findPreference(SELECT_LOGPERSIST_KEY);
486            if (mLogpersist != null) {
487                mLogpersist.setEnabled(false);
488                if (debugDebuggingCategory != null) {
489                    debugDebuggingCategory.removePreference(mLogpersist);
490                }
491            }
492            mLogpersist = null;
493        }
494        mUsbConfiguration = addListPreference(USB_CONFIGURATION_KEY);
495        mBluetoothDisableAbsVolume = findAndInitSwitchPref(BLUETOOTH_DISABLE_ABSOLUTE_VOLUME_KEY);
496        mBluetoothEnableInbandRinging = findAndInitSwitchPref(BLUETOOTH_ENABLE_INBAND_RINGING_KEY);
497        if (!BluetoothHeadset.isInbandRingingSupported(getContext())) {
498            removePreference(mBluetoothEnableInbandRinging);
499            mBluetoothEnableInbandRinging = null;
500        }
501
502        mBluetoothSelectAvrcpVersion = addListPreference(BLUETOOTH_SELECT_AVRCP_VERSION_KEY);
503        mBluetoothSelectA2dpCodec = addListPreference(BLUETOOTH_SELECT_A2DP_CODEC_KEY);
504        mBluetoothSelectA2dpSampleRate = addListPreference(BLUETOOTH_SELECT_A2DP_SAMPLE_RATE_KEY);
505        mBluetoothSelectA2dpBitsPerSample = addListPreference(BLUETOOTH_SELECT_A2DP_BITS_PER_SAMPLE_KEY);
506        mBluetoothSelectA2dpChannelMode = addListPreference(BLUETOOTH_SELECT_A2DP_CHANNEL_MODE_KEY);
507        mBluetoothSelectA2dpLdacPlaybackQuality = addListPreference(BLUETOOTH_SELECT_A2DP_LDAC_PLAYBACK_QUALITY_KEY);
508        initBluetoothConfigurationValues();
509
510        mWindowAnimationScale = addListPreference(WINDOW_ANIMATION_SCALE_KEY);
511        mTransitionAnimationScale = addListPreference(TRANSITION_ANIMATION_SCALE_KEY);
512        mAnimatorDurationScale = addListPreference(ANIMATOR_DURATION_SCALE_KEY);
513        mOverlayDisplayDevices = addListPreference(OVERLAY_DISPLAY_DEVICES_KEY);
514        mSimulateColorSpace = addListPreference(SIMULATE_COLOR_SPACE);
515        mUSBAudio = findAndInitSwitchPref(USB_AUDIO_KEY);
516        mForceResizable = findAndInitSwitchPref(FORCE_RESIZABLE_KEY);
517
518        mImmediatelyDestroyActivities = (SwitchPreference) findPreference(
519                IMMEDIATELY_DESTROY_ACTIVITIES_KEY);
520        mAllPrefs.add(mImmediatelyDestroyActivities);
521        mResetSwitchPrefs.add(mImmediatelyDestroyActivities);
522
523        mAppProcessLimit = addListPreference(APP_PROCESS_LIMIT_KEY);
524
525        mShowAllANRs = (SwitchPreference) findPreference(
526                SHOW_ALL_ANRS_KEY);
527        mAllPrefs.add(mShowAllANRs);
528        mResetSwitchPrefs.add(mShowAllANRs);
529
530        mShowNotificationChannelWarnings = (SwitchPreference) findPreference(
531                SHOW_NOTIFICATION_CHANNEL_WARNINGS_KEY);
532        mAllPrefs.add(mShowNotificationChannelWarnings);
533        mResetSwitchPrefs.add(mShowNotificationChannelWarnings);
534
535        Preference hdcpChecking = findPreference(HDCP_CHECKING_KEY);
536        if (hdcpChecking != null) {
537            mAllPrefs.add(hdcpChecking);
538            removePreferenceForProduction(hdcpChecking);
539        }
540
541        Preference convertFbePreference = findPreference(KEY_CONVERT_FBE);
542
543        try {
544            IBinder service = ServiceManager.getService("mount");
545            IStorageManager storageManager = IStorageManager.Stub.asInterface(service);
546            if (!storageManager.isConvertibleToFBE()) {
547                removePreference(KEY_CONVERT_FBE);
548            } else if ("file".equals(SystemProperties.get("ro.crypto.type", "none"))) {
549                convertFbePreference.setEnabled(false);
550                convertFbePreference.setSummary(getResources()
551                        .getString(R.string.convert_to_file_encryption_done));
552            }
553        } catch (RemoteException e) {
554            removePreference(KEY_CONVERT_FBE);
555        }
556
557        mOtaDisableAutomaticUpdate = findAndInitSwitchPref(OTA_DISABLE_AUTOMATIC_UPDATE_KEY);
558
559        mColorModePreference = (ColorModePreference) findPreference(KEY_COLOR_MODE);
560        mColorModePreference.updateCurrentAndSupported();
561        if (mColorModePreference.getColorModeCount() < 2 ||
562                getContext().getDisplay().isWideColorGamut()) {
563            removePreference(KEY_COLOR_MODE);
564            mColorModePreference = null;
565        }
566
567        mColorTemperaturePreference = (SwitchPreference) findPreference(COLOR_TEMPERATURE_KEY);
568        if (getResources().getBoolean(R.bool.config_enableColorTemperature)) {
569            mAllPrefs.add(mColorTemperaturePreference);
570            mResetSwitchPrefs.add(mColorTemperaturePreference);
571        } else {
572            removePreference(COLOR_TEMPERATURE_KEY);
573            mColorTemperaturePreference = null;
574        }
575
576        addDashboardCategoryPreferences();
577    }
578
579    @VisibleForTesting
580    void addDashboardCategoryPreferences() {
581        final PreferenceScreen screen = getPreferenceScreen();
582        final List<Preference> tilePrefs = mDashboardFeatureProvider.getPreferencesForCategory(
583                getActivity(), getPrefContext(), getMetricsCategory(),
584                CategoryKey.CATEGORY_SYSTEM_DEVELOPMENT);
585        if (tilePrefs != null) {
586            for (Preference preference : tilePrefs) {
587                screen.addPreference(preference);
588            }
589        }
590    }
591
592    private ListPreference addListPreference(String prefKey) {
593        ListPreference pref = (ListPreference) findPreference(prefKey);
594        mAllPrefs.add(pref);
595        pref.setOnPreferenceChangeListener(this);
596        return pref;
597    }
598
599    private void disableForUser(Preference pref) {
600        if (pref != null) {
601            pref.setEnabled(false);
602            mDisabledPrefs.add(pref);
603        }
604    }
605
606    private SwitchPreference findAndInitSwitchPref(String key) {
607        SwitchPreference pref = (SwitchPreference) findPreference(key);
608        if (pref == null) {
609            throw new IllegalArgumentException("Cannot find preference with key = " + key);
610        }
611        mAllPrefs.add(pref);
612        mResetSwitchPrefs.add(pref);
613        return pref;
614    }
615
616    @Override
617    public void onActivityCreated(Bundle savedInstanceState) {
618        super.onActivityCreated(savedInstanceState);
619
620        final SettingsActivity activity = (SettingsActivity) getActivity();
621
622        mSwitchBar = activity.getSwitchBar();
623        if (mUnavailable) {
624            mSwitchBar.setEnabled(false);
625            return;
626        }
627
628        mSwitchBar.addOnSwitchChangeListener(this);
629    }
630
631    private boolean removePreferenceForProduction(Preference preference) {
632        if ("user".equals(Build.TYPE)) {
633            removePreference(preference);
634            return true;
635        }
636        return false;
637    }
638
639    private void removePreference(Preference preference) {
640        getPreferenceScreen().removePreference(preference);
641        mAllPrefs.remove(preference);
642        mResetSwitchPrefs.remove(preference);
643    }
644
645    private void setPrefsEnabledState(boolean enabled) {
646        for (int i = 0; i < mAllPrefs.size(); i++) {
647            Preference pref = mAllPrefs.get(i);
648            pref.setEnabled(enabled && !mDisabledPrefs.contains(pref));
649        }
650        mBugReportInPowerController.enablePreference(enabled);
651        mTelephonyMonitorController.enablePreference(enabled);
652        mWebViewAppPrefController.enablePreference(enabled);
653        updateAllOptions();
654    }
655
656    @Override
657    public void onResume() {
658        super.onResume();
659
660        if (mUnavailable) {
661            // Show error message
662            if (!isUiRestrictedByOnlyAdmin()) {
663                getEmptyTextView().setText(R.string.development_settings_not_available);
664            }
665            getPreferenceScreen().removeAll();
666            return;
667        }
668
669        // A DeviceAdmin has specified a maximum time until the device
670        // will lock...  in this case we can't allow the user to turn
671        // on "stay awake when plugged in" because that would defeat the
672        // restriction.
673        final EnforcedAdmin admin = RestrictedLockUtils.checkIfMaximumTimeToLockIsSet(
674                getActivity());
675        mKeepScreenOn.setDisabledByAdmin(admin);
676        if (admin == null) {
677            mDisabledPrefs.remove(mKeepScreenOn);
678        } else {
679            mDisabledPrefs.add(mKeepScreenOn);
680        }
681
682        final boolean lastEnabledState = mSettingsEnabler.getLastEnabledState();
683        mSwitchBar.setChecked(lastEnabledState);
684        setPrefsEnabledState(lastEnabledState);
685
686        if (mHaveDebugSettings && !lastEnabledState) {
687            // Overall debugging is disabled, but there are some debug
688            // settings that are enabled.  This is an invalid state.  Switch
689            // to debug settings being enabled, so the user knows there is
690            // stuff enabled and can turn it all off if they want.
691            mSettingsEnabler.enableDevelopmentSettings();
692            mSwitchBar.setChecked(lastEnabledState);
693            setPrefsEnabledState(lastEnabledState);
694        }
695        mSwitchBar.show();
696
697        if (mColorModePreference != null) {
698            mColorModePreference.startListening();
699            mColorModePreference.updateCurrentAndSupported();
700        }
701    }
702
703    @Override
704    public void onPause() {
705        super.onPause();
706        if (mColorModePreference != null) {
707            mColorModePreference.stopListening();
708        }
709    }
710
711    @Override
712    public View onCreateView(LayoutInflater inflater, ViewGroup container,
713            Bundle savedInstanceState) {
714        IntentFilter filter = new IntentFilter();
715        filter.addAction(UsbManager.ACTION_USB_STATE);
716        if (getActivity().registerReceiver(mUsbReceiver, filter) == null) {
717            updateUsbConfigurationValues();
718        }
719
720        BluetoothAdapter adapter = BluetoothAdapter.getDefaultAdapter();
721        if (adapter != null) {
722            adapter.getProfileProxy(getActivity(),
723                                    mBluetoothA2dpServiceListener,
724                                    BluetoothProfile.A2DP);
725        }
726        filter = new IntentFilter();
727        filter.addAction(BluetoothA2dp.ACTION_CODEC_CONFIG_CHANGED);
728        if (getActivity().registerReceiver(mBluetoothA2dpReceiver, filter) == null) {
729            updateBluetoothA2dpConfigurationValues();
730        }
731
732        return super.onCreateView(inflater, container, savedInstanceState);
733    }
734
735    @Override
736    public void onDestroyView() {
737        super.onDestroyView();
738
739        if (mUnavailable) {
740            return;
741        }
742        mSwitchBar.removeOnSwitchChangeListener(this);
743        mSwitchBar.hide();
744        getActivity().unregisterReceiver(mUsbReceiver);
745        getActivity().unregisterReceiver(mBluetoothA2dpReceiver);
746        BluetoothAdapter adapter = BluetoothAdapter.getDefaultAdapter();
747        if (adapter != null) {
748            adapter.closeProfileProxy(BluetoothProfile.A2DP, mBluetoothA2dp);
749            mBluetoothA2dp = null;
750        }
751    }
752
753    void updateSwitchPreference(SwitchPreference switchPreference, boolean value) {
754        switchPreference.setChecked(value);
755        mHaveDebugSettings |= value;
756    }
757
758    private void updateAllOptions() {
759        final Context context = getActivity();
760        final ContentResolver cr = context.getContentResolver();
761        mHaveDebugSettings = false;
762        updateSwitchPreference(mEnableAdb, Settings.Global.getInt(cr,
763                Settings.Global.ADB_ENABLED, 0) != 0);
764        if (mEnableTerminal != null) {
765            updateSwitchPreference(mEnableTerminal,
766                    context.getPackageManager().getApplicationEnabledSetting(TERMINAL_APP_PACKAGE)
767                            == PackageManager.COMPONENT_ENABLED_STATE_ENABLED);
768        }
769        mHaveDebugSettings |= mBugReportInPowerController.updatePreference();
770        mHaveDebugSettings |= mTelephonyMonitorController.updatePreference();
771        updateSwitchPreference(mKeepScreenOn, Settings.Global.getInt(cr,
772                Settings.Global.STAY_ON_WHILE_PLUGGED_IN, 0) != 0);
773        updateSwitchPreference(mBtHciSnoopLog, SystemProperties.getBoolean(
774                BLUETOOTH_BTSNOOP_ENABLE_PROPERTY, false));
775        updateSwitchPreference(mDebugViewAttributes, Settings.Global.getInt(cr,
776                Settings.Global.DEBUG_VIEW_ATTRIBUTES, 0) != 0);
777        updateSwitchPreference(mForceAllowOnExternal, Settings.Global.getInt(cr,
778                Settings.Global.FORCE_ALLOW_ON_EXTERNAL, 0) != 0);
779        updateHdcpValues();
780        updatePasswordSummary();
781        updateDebuggerOptions();
782        updateMockLocation();
783        updateStrictModeVisualOptions();
784        updatePointerLocationOptions();
785        updateShowTouchesOptions();
786        updateFlingerOptions();
787        updateHardwareUiOptions();
788        updateMsaaOptions();
789        updateTrackFrameTimeOptions();
790        updateShowNonRectClipOptions();
791        updateShowHwScreenUpdatesOptions();
792        updateShowHwLayersUpdatesOptions();
793        updateDebugHwOverdrawOptions();
794        updateDebugHwRendererOptions();
795        updateDebugLayoutOptions();
796        updateAnimationScaleOptions();
797        updateOverlayDisplayDevicesOptions();
798        updateImmediatelyDestroyActivitiesOptions();
799        updateAppProcessLimitOptions();
800        updateShowAllANRsOptions();
801        updateShowNotificationChannelWarningsOptions();
802        mVerifyAppsOverUsbController.updatePreference();
803        updateOtaDisableAutomaticUpdateOptions();
804        updateBugreportOptions();
805        updateForceRtlOptions();
806        updateLogdSizeValues();
807        updateLogpersistValues();
808        updateWifiDisplayCertificationOptions();
809        updateWifiVerboseLoggingOptions();
810        updateWifiAggressiveHandoverOptions();
811        updateWifiAllowScansWithTrafficOptions();
812        updateMobileDataAlwaysOnOptions();
813        updateTetheringHardwareOffloadOptions();
814        updateSimulateColorSpace();
815        updateUSBAudioOptions();
816        updateForceResizableOptions();
817        Preference webViewAppPref = findPreference(mWebViewAppPrefController.getPreferenceKey());
818        mWebViewAppPrefController.updateState(webViewAppPref);
819        updateOemUnlockOptions();
820        if (mColorTemperaturePreference != null) {
821            updateColorTemperature();
822        }
823        updateBluetoothDisableAbsVolumeOptions();
824        updateBluetoothEnableInbandRingingOptions();
825        updateBluetoothA2dpConfigurationValues();
826    }
827
828    private void resetDangerousOptions() {
829        mDontPokeProperties = true;
830        for (int i = 0; i < mResetSwitchPrefs.size(); i++) {
831            SwitchPreference cb = mResetSwitchPrefs.get(i);
832            if (cb.isChecked()) {
833                cb.setChecked(false);
834                onPreferenceTreeClick(cb);
835            }
836        }
837        mBugReportInPowerController.resetPreference();
838        resetDebuggerOptions();
839        writeLogpersistOption(null, true);
840        writeLogdSizeOption(null);
841        writeAnimationScaleOption(0, mWindowAnimationScale, null);
842        writeAnimationScaleOption(1, mTransitionAnimationScale, null);
843        writeAnimationScaleOption(2, mAnimatorDurationScale, null);
844        // Only poke the color space setting if we control it.
845        if (usingDevelopmentColorSpace()) {
846            writeSimulateColorSpace(-1);
847        }
848        writeOverlayDisplayDevicesOptions(null);
849        writeAppProcessLimitOptions(null);
850        mHaveDebugSettings = false;
851        updateAllOptions();
852        mDontPokeProperties = false;
853        pokeSystemProperties();
854    }
855
856    private void updateHdcpValues() {
857        ListPreference hdcpChecking = (ListPreference) findPreference(HDCP_CHECKING_KEY);
858        if (hdcpChecking != null) {
859            String currentValue = SystemProperties.get(HDCP_CHECKING_PROPERTY);
860            String[] values = getResources().getStringArray(R.array.hdcp_checking_values);
861            String[] summaries = getResources().getStringArray(R.array.hdcp_checking_summaries);
862            int index = 1; // Defaults to drm-only. Needs to match with R.array.hdcp_checking_values
863            for (int i = 0; i < values.length; i++) {
864                if (currentValue.equals(values[i])) {
865                    index = i;
866                    break;
867                }
868            }
869            hdcpChecking.setValue(values[index]);
870            hdcpChecking.setSummary(summaries[index]);
871            hdcpChecking.setOnPreferenceChangeListener(this);
872        }
873    }
874
875    private void updatePasswordSummary() {
876        try {
877            if (mBackupManager.hasBackupPassword()) {
878                mPassword.setSummary(R.string.local_backup_password_summary_change);
879            } else {
880                mPassword.setSummary(R.string.local_backup_password_summary_none);
881            }
882        } catch (RemoteException e) {
883            // Not much we can do here
884        }
885    }
886
887    private void writeBtHciSnoopLogOptions() {
888        BluetoothAdapter adapter = BluetoothAdapter.getDefaultAdapter();
889        SystemProperties.set(BLUETOOTH_BTSNOOP_ENABLE_PROPERTY,
890                Boolean.toString(mBtHciSnoopLog.isChecked()));
891    }
892
893    private void writeDebuggerOptions() {
894        try {
895            ActivityManager.getService().setDebugApp(
896                    mDebugApp, mWaitForDebugger.isChecked(), true);
897        } catch (RemoteException ex) {
898        }
899    }
900
901    private void writeMockLocation() {
902        AppOpsManager appOpsManager = (AppOpsManager) getSystemService(Context.APP_OPS_SERVICE);
903
904        // Disable the app op of the previous mock location app if such.
905        List<PackageOps> packageOps = appOpsManager.getPackagesForOps(MOCK_LOCATION_APP_OPS);
906        if (packageOps != null) {
907            // Should be one but in case we are in a bad state due to use of command line tools.
908            for (PackageOps packageOp : packageOps) {
909                if (packageOp.getOps().get(0).getMode() != AppOpsManager.MODE_ERRORED) {
910                    String oldMockLocationApp = packageOp.getPackageName();
911                    try {
912                        ApplicationInfo ai = getActivity().getPackageManager().getApplicationInfo(
913                                oldMockLocationApp, PackageManager.GET_DISABLED_COMPONENTS);
914                        appOpsManager.setMode(AppOpsManager.OP_MOCK_LOCATION, ai.uid,
915                                oldMockLocationApp, AppOpsManager.MODE_ERRORED);
916                    } catch (NameNotFoundException e) {
917                        /* ignore */
918                    }
919                }
920            }
921        }
922
923        // Enable the app op of the new mock location app if such.
924        if (!TextUtils.isEmpty(mMockLocationApp)) {
925            try {
926                ApplicationInfo ai = getActivity().getPackageManager().getApplicationInfo(
927                        mMockLocationApp, PackageManager.GET_DISABLED_COMPONENTS);
928                appOpsManager.setMode(AppOpsManager.OP_MOCK_LOCATION, ai.uid,
929                        mMockLocationApp, AppOpsManager.MODE_ALLOWED);
930            } catch (NameNotFoundException e) {
931                /* ignore */
932            }
933        }
934    }
935
936    private static void resetDebuggerOptions() {
937        try {
938            ActivityManager.getService().setDebugApp(
939                    null, false, true);
940        } catch (RemoteException ex) {
941        }
942    }
943
944    private void updateDebuggerOptions() {
945        mDebugApp = Settings.Global.getString(
946                getActivity().getContentResolver(), Settings.Global.DEBUG_APP);
947        updateSwitchPreference(mWaitForDebugger, Settings.Global.getInt(
948                getActivity().getContentResolver(), Settings.Global.WAIT_FOR_DEBUGGER, 0) != 0);
949        if (mDebugApp != null && mDebugApp.length() > 0) {
950            String label;
951            try {
952                ApplicationInfo ai = getActivity().getPackageManager().getApplicationInfo(mDebugApp,
953                        PackageManager.GET_DISABLED_COMPONENTS);
954                CharSequence lab = getActivity().getPackageManager().getApplicationLabel(ai);
955                label = lab != null ? lab.toString() : mDebugApp;
956            } catch (PackageManager.NameNotFoundException e) {
957                label = mDebugApp;
958            }
959            mDebugAppPref.setSummary(getResources().getString(R.string.debug_app_set, label));
960            mWaitForDebugger.setEnabled(true);
961            mHaveDebugSettings = true;
962        } else {
963            mDebugAppPref.setSummary(getResources().getString(R.string.debug_app_not_set));
964            mWaitForDebugger.setEnabled(false);
965        }
966    }
967
968    private void updateMockLocation() {
969        AppOpsManager appOpsManager = (AppOpsManager) getSystemService(Context.APP_OPS_SERVICE);
970
971        List<PackageOps> packageOps = appOpsManager.getPackagesForOps(MOCK_LOCATION_APP_OPS);
972        if (packageOps != null) {
973            for (PackageOps packageOp : packageOps) {
974                if (packageOp.getOps().get(0).getMode() == AppOpsManager.MODE_ALLOWED) {
975                    mMockLocationApp = packageOps.get(0).getPackageName();
976                    break;
977                }
978            }
979        }
980
981        if (!TextUtils.isEmpty(mMockLocationApp)) {
982            String label = mMockLocationApp;
983            try {
984                ApplicationInfo ai = getActivity().getPackageManager().getApplicationInfo(
985                        mMockLocationApp, PackageManager.GET_DISABLED_COMPONENTS);
986                CharSequence appLabel = getPackageManager().getApplicationLabel(ai);
987                if (appLabel != null) {
988                    label = appLabel.toString();
989                }
990            } catch (PackageManager.NameNotFoundException e) {
991                /* ignore */
992            }
993
994            mMockLocationAppPref.setSummary(getString(R.string.mock_location_app_set, label));
995            mHaveDebugSettings = true;
996        } else {
997            mMockLocationAppPref.setSummary(getString(R.string.mock_location_app_not_set));
998        }
999    }
1000
1001    private void updateOtaDisableAutomaticUpdateOptions() {
1002        // We use the "disabled status" in code, but show the opposite text
1003        // "Automatic system updates" on screen. So a value 0 indicates the
1004        // automatic update is enabled.
1005        updateSwitchPreference(mOtaDisableAutomaticUpdate, Settings.Global.getInt(
1006                getActivity().getContentResolver(),
1007                Settings.Global.OTA_DISABLE_AUTOMATIC_UPDATE, 0) != 1);
1008    }
1009
1010    private void writeOtaDisableAutomaticUpdateOptions() {
1011        // We use the "disabled status" in code, but show the opposite text
1012        // "Automatic system updates" on screen. So a value 0 indicates the
1013        // automatic update is enabled.
1014        Settings.Global.putInt(getActivity().getContentResolver(),
1015                Settings.Global.OTA_DISABLE_AUTOMATIC_UPDATE,
1016                mOtaDisableAutomaticUpdate.isChecked() ? 0 : 1);
1017    }
1018
1019    private static boolean showEnableOemUnlockPreference(Context context) {
1020        return context.getSystemService(Context.OEM_LOCK_SERVICE) != null;
1021    }
1022
1023    private boolean enableOemUnlockPreference() {
1024        return !isBootloaderUnlocked() && mOemLockManager.canUserAllowOemUnlock();
1025    }
1026
1027    private void updateOemUnlockOptions() {
1028        if (mEnableOemUnlock != null) {
1029            updateSwitchPreference(mEnableOemUnlock, mOemLockManager.isOemUnlockAllowed());
1030            updateOemUnlockSettingDescription();
1031            // Showing mEnableOemUnlock preference as device has persistent data block.
1032            mEnableOemUnlock.setDisabledByAdmin(null);
1033            mEnableOemUnlock.setEnabled(enableOemUnlockPreference());
1034            if (mEnableOemUnlock.isEnabled()) {
1035                // Check restriction, disable mEnableOemUnlock and apply policy transparency.
1036                mEnableOemUnlock.checkRestrictionAndSetDisabled(UserManager.DISALLOW_FACTORY_RESET);
1037            }
1038            if (mEnableOemUnlock.isEnabled()) {
1039                // Check restriction, disable mEnableOemUnlock and apply policy transparency.
1040                mEnableOemUnlock.checkRestrictionAndSetDisabled(UserManager.DISALLOW_OEM_UNLOCK);
1041            }
1042        }
1043    }
1044
1045    private void updateBugreportOptions() {
1046        mBugReportController.enablePreference(true);
1047        mBugReportInPowerController.updateBugreportOptions();
1048    }
1049
1050    // Returns the current state of the system property that controls
1051    // strictmode flashes.  One of:
1052    //    0: not explicitly set one way or another
1053    //    1: on
1054    //    2: off
1055    private static int currentStrictModeActiveIndex() {
1056        if (TextUtils.isEmpty(SystemProperties.get(StrictMode.VISUAL_PROPERTY))) {
1057            return 0;
1058        }
1059        boolean enabled = SystemProperties.getBoolean(StrictMode.VISUAL_PROPERTY, false);
1060        return enabled ? 1 : 2;
1061    }
1062
1063    private void writeStrictModeVisualOptions() {
1064        try {
1065            mWindowManager.setStrictModeVisualIndicatorPreference(mStrictMode.isChecked()
1066                    ? "1" : "");
1067        } catch (RemoteException e) {
1068        }
1069    }
1070
1071    private void updateStrictModeVisualOptions() {
1072        updateSwitchPreference(mStrictMode, currentStrictModeActiveIndex() == 1);
1073    }
1074
1075    private void writePointerLocationOptions() {
1076        Settings.System.putInt(getActivity().getContentResolver(),
1077                Settings.System.POINTER_LOCATION, mPointerLocation.isChecked() ? 1 : 0);
1078    }
1079
1080    private void updatePointerLocationOptions() {
1081        updateSwitchPreference(mPointerLocation,
1082                Settings.System.getInt(getActivity().getContentResolver(),
1083                        Settings.System.POINTER_LOCATION, 0) != 0);
1084    }
1085
1086    private void writeShowTouchesOptions() {
1087        Settings.System.putInt(getActivity().getContentResolver(),
1088                Settings.System.SHOW_TOUCHES, mShowTouches.isChecked() ? 1 : 0);
1089    }
1090
1091    private void updateShowTouchesOptions() {
1092        updateSwitchPreference(mShowTouches,
1093                Settings.System.getInt(getActivity().getContentResolver(),
1094                        Settings.System.SHOW_TOUCHES, 0) != 0);
1095    }
1096
1097    private void updateFlingerOptions() {
1098        // magic communication with surface flinger.
1099        try {
1100            IBinder flinger = ServiceManager.getService("SurfaceFlinger");
1101            if (flinger != null) {
1102                Parcel data = Parcel.obtain();
1103                Parcel reply = Parcel.obtain();
1104                data.writeInterfaceToken("android.ui.ISurfaceComposer");
1105                flinger.transact(1010, data, reply, 0);
1106                @SuppressWarnings("unused")
1107                int showCpu = reply.readInt();
1108                @SuppressWarnings("unused")
1109                int enableGL = reply.readInt();
1110                int showUpdates = reply.readInt();
1111                updateSwitchPreference(mShowScreenUpdates, showUpdates != 0);
1112                @SuppressWarnings("unused")
1113                int showBackground = reply.readInt();
1114                int disableOverlays = reply.readInt();
1115                updateSwitchPreference(mDisableOverlays, disableOverlays != 0);
1116                reply.recycle();
1117                data.recycle();
1118            }
1119        } catch (RemoteException ex) {
1120        }
1121    }
1122
1123    private void writeShowUpdatesOption() {
1124        try {
1125            IBinder flinger = ServiceManager.getService("SurfaceFlinger");
1126            if (flinger != null) {
1127                Parcel data = Parcel.obtain();
1128                data.writeInterfaceToken("android.ui.ISurfaceComposer");
1129                final int showUpdates = mShowScreenUpdates.isChecked() ? 1 : 0;
1130                data.writeInt(showUpdates);
1131                flinger.transact(1002, data, null, 0);
1132                data.recycle();
1133
1134                updateFlingerOptions();
1135            }
1136        } catch (RemoteException ex) {
1137        }
1138    }
1139
1140    private void writeDisableOverlaysOption() {
1141        try {
1142            IBinder flinger = ServiceManager.getService("SurfaceFlinger");
1143            if (flinger != null) {
1144                Parcel data = Parcel.obtain();
1145                data.writeInterfaceToken("android.ui.ISurfaceComposer");
1146                final int disableOverlays = mDisableOverlays.isChecked() ? 1 : 0;
1147                data.writeInt(disableOverlays);
1148                flinger.transact(1008, data, null, 0);
1149                data.recycle();
1150
1151                updateFlingerOptions();
1152            }
1153        } catch (RemoteException ex) {
1154        }
1155    }
1156
1157    private void updateHardwareUiOptions() {
1158        updateSwitchPreference(mForceHardwareUi,
1159                SystemProperties.getBoolean(HARDWARE_UI_PROPERTY, false));
1160    }
1161
1162    private void writeHardwareUiOptions() {
1163        SystemProperties.set(HARDWARE_UI_PROPERTY, mForceHardwareUi.isChecked() ? "true" : "false");
1164        pokeSystemProperties();
1165    }
1166
1167    private void updateMsaaOptions() {
1168        updateSwitchPreference(mForceMsaa, SystemProperties.getBoolean(MSAA_PROPERTY, false));
1169    }
1170
1171    private void writeMsaaOptions() {
1172        SystemProperties.set(MSAA_PROPERTY, mForceMsaa.isChecked() ? "true" : "false");
1173        pokeSystemProperties();
1174    }
1175
1176    private void updateTrackFrameTimeOptions() {
1177        String value = SystemProperties.get(ThreadedRenderer.PROFILE_PROPERTY);
1178        if (value == null) {
1179            value = "";
1180        }
1181
1182        CharSequence[] values = mTrackFrameTime.getEntryValues();
1183        for (int i = 0; i < values.length; i++) {
1184            if (value.contentEquals(values[i])) {
1185                mTrackFrameTime.setValueIndex(i);
1186                mTrackFrameTime.setSummary(mTrackFrameTime.getEntries()[i]);
1187                return;
1188            }
1189        }
1190        mTrackFrameTime.setValueIndex(0);
1191        mTrackFrameTime.setSummary(mTrackFrameTime.getEntries()[0]);
1192    }
1193
1194    private void writeTrackFrameTimeOptions(Object newValue) {
1195        SystemProperties.set(ThreadedRenderer.PROFILE_PROPERTY,
1196                newValue == null ? "" : newValue.toString());
1197        pokeSystemProperties();
1198        updateTrackFrameTimeOptions();
1199    }
1200
1201    private void updateShowNonRectClipOptions() {
1202        String value = SystemProperties.get(
1203                ThreadedRenderer.DEBUG_SHOW_NON_RECTANGULAR_CLIP_PROPERTY);
1204        if (value == null) {
1205            value = "hide";
1206        }
1207
1208        CharSequence[] values = mShowNonRectClip.getEntryValues();
1209        for (int i = 0; i < values.length; i++) {
1210            if (value.contentEquals(values[i])) {
1211                mShowNonRectClip.setValueIndex(i);
1212                mShowNonRectClip.setSummary(mShowNonRectClip.getEntries()[i]);
1213                return;
1214            }
1215        }
1216        mShowNonRectClip.setValueIndex(0);
1217        mShowNonRectClip.setSummary(mShowNonRectClip.getEntries()[0]);
1218    }
1219
1220    private void writeShowNonRectClipOptions(Object newValue) {
1221        SystemProperties.set(ThreadedRenderer.DEBUG_SHOW_NON_RECTANGULAR_CLIP_PROPERTY,
1222                newValue == null ? "" : newValue.toString());
1223        pokeSystemProperties();
1224        updateShowNonRectClipOptions();
1225    }
1226
1227    private void updateShowHwScreenUpdatesOptions() {
1228        updateSwitchPreference(mShowHwScreenUpdates,
1229                SystemProperties.getBoolean(ThreadedRenderer.DEBUG_DIRTY_REGIONS_PROPERTY, false));
1230    }
1231
1232    private void writeShowHwScreenUpdatesOptions() {
1233        SystemProperties.set(ThreadedRenderer.DEBUG_DIRTY_REGIONS_PROPERTY,
1234                mShowHwScreenUpdates.isChecked() ? "true" : null);
1235        pokeSystemProperties();
1236    }
1237
1238    private void updateShowHwLayersUpdatesOptions() {
1239        updateSwitchPreference(mShowHwLayersUpdates, SystemProperties.getBoolean(
1240                ThreadedRenderer.DEBUG_SHOW_LAYERS_UPDATES_PROPERTY, false));
1241    }
1242
1243    private void writeShowHwLayersUpdatesOptions() {
1244        SystemProperties.set(ThreadedRenderer.DEBUG_SHOW_LAYERS_UPDATES_PROPERTY,
1245                mShowHwLayersUpdates.isChecked() ? "true" : null);
1246        pokeSystemProperties();
1247    }
1248
1249    private void updateDebugHwOverdrawOptions() {
1250        String value = SystemProperties.get(ThreadedRenderer.DEBUG_OVERDRAW_PROPERTY);
1251        if (value == null) {
1252            value = "";
1253        }
1254
1255        CharSequence[] values = mDebugHwOverdraw.getEntryValues();
1256        for (int i = 0; i < values.length; i++) {
1257            if (value.contentEquals(values[i])) {
1258                mDebugHwOverdraw.setValueIndex(i);
1259                mDebugHwOverdraw.setSummary(mDebugHwOverdraw.getEntries()[i]);
1260                return;
1261            }
1262        }
1263        mDebugHwOverdraw.setValueIndex(0);
1264        mDebugHwOverdraw.setSummary(mDebugHwOverdraw.getEntries()[0]);
1265    }
1266
1267    private void writeDebugHwOverdrawOptions(Object newValue) {
1268        SystemProperties.set(ThreadedRenderer.DEBUG_OVERDRAW_PROPERTY,
1269                newValue == null ? "" : newValue.toString());
1270        pokeSystemProperties();
1271        updateDebugHwOverdrawOptions();
1272    }
1273
1274    private void updateDebugHwRendererOptions() {
1275        String value = SystemProperties.get(ThreadedRenderer.DEBUG_RENDERER_PROPERTY);
1276        if (value == null) {
1277            value = "";
1278        }
1279
1280        CharSequence[] values = mDebugHwRenderer.getEntryValues();
1281        for (int i = 0; i < values.length; i++) {
1282            if (value.contentEquals(values[i])) {
1283                mDebugHwRenderer.setValueIndex(i);
1284                mDebugHwRenderer.setSummary(mDebugHwRenderer.getEntries()[i]);
1285                return;
1286            }
1287        }
1288        mDebugHwRenderer.setValueIndex(0);
1289        mDebugHwRenderer.setSummary(mDebugHwRenderer.getEntries()[0]);
1290    }
1291
1292    private void writeDebugHwRendererOptions(Object newValue) {
1293        SystemProperties.set(ThreadedRenderer.DEBUG_RENDERER_PROPERTY,
1294                newValue == null ? "" : newValue.toString());
1295        pokeSystemProperties();
1296        updateDebugHwRendererOptions();
1297    }
1298
1299    private void updateDebugLayoutOptions() {
1300        updateSwitchPreference(mDebugLayout,
1301                SystemProperties.getBoolean(View.DEBUG_LAYOUT_PROPERTY, false));
1302    }
1303
1304    private void writeDebugLayoutOptions() {
1305        SystemProperties.set(View.DEBUG_LAYOUT_PROPERTY,
1306                mDebugLayout.isChecked() ? "true" : "false");
1307        pokeSystemProperties();
1308    }
1309
1310    private void updateSimulateColorSpace() {
1311        final ContentResolver cr = getContentResolver();
1312        final boolean enabled = Settings.Secure.getInt(
1313                cr, Settings.Secure.ACCESSIBILITY_DISPLAY_DALTONIZER_ENABLED, 0) != 0;
1314        if (enabled) {
1315            final String mode = Integer.toString(Settings.Secure.getInt(
1316                    cr, Settings.Secure.ACCESSIBILITY_DISPLAY_DALTONIZER,
1317                    AccessibilityManager.DALTONIZER_DISABLED));
1318            mSimulateColorSpace.setValue(mode);
1319            final int index = mSimulateColorSpace.findIndexOfValue(mode);
1320            if (index < 0) {
1321                // We're using a mode controlled by accessibility preferences.
1322                mSimulateColorSpace.setSummary(getString(R.string.daltonizer_type_overridden,
1323                        getString(R.string.accessibility_display_daltonizer_preference_title)));
1324            } else {
1325                mSimulateColorSpace.setSummary("%s");
1326            }
1327        } else {
1328            mSimulateColorSpace.setValue(
1329                    Integer.toString(AccessibilityManager.DALTONIZER_DISABLED));
1330        }
1331    }
1332
1333    /**
1334     * @return <code>true</code> if the color space preference is currently
1335     * controlled by development settings
1336     */
1337    private boolean usingDevelopmentColorSpace() {
1338        final ContentResolver cr = getContentResolver();
1339        final boolean enabled = Settings.Secure.getInt(
1340                cr, Settings.Secure.ACCESSIBILITY_DISPLAY_DALTONIZER_ENABLED, 0) != 0;
1341        if (enabled) {
1342            final String mode = Integer.toString(Settings.Secure.getInt(
1343                    cr, Settings.Secure.ACCESSIBILITY_DISPLAY_DALTONIZER,
1344                    AccessibilityManager.DALTONIZER_DISABLED));
1345            final int index = mSimulateColorSpace.findIndexOfValue(mode);
1346            if (index >= 0) {
1347                // We're using a mode controlled by developer preferences.
1348                return true;
1349            }
1350        }
1351        return false;
1352    }
1353
1354    private void writeSimulateColorSpace(Object value) {
1355        final ContentResolver cr = getContentResolver();
1356        final int newMode = Integer.parseInt(value.toString());
1357        if (newMode < 0) {
1358            Settings.Secure.putInt(cr, Settings.Secure.ACCESSIBILITY_DISPLAY_DALTONIZER_ENABLED, 0);
1359        } else {
1360            Settings.Secure.putInt(cr, Settings.Secure.ACCESSIBILITY_DISPLAY_DALTONIZER_ENABLED, 1);
1361            Settings.Secure.putInt(cr, Settings.Secure.ACCESSIBILITY_DISPLAY_DALTONIZER, newMode);
1362        }
1363    }
1364
1365    private void updateColorTemperature() {
1366        updateSwitchPreference(mColorTemperaturePreference,
1367                SystemProperties.getBoolean(COLOR_TEMPERATURE_PROPERTY, false));
1368    }
1369
1370    private void writeColorTemperature() {
1371        SystemProperties.set(COLOR_TEMPERATURE_PROPERTY,
1372                mColorTemperaturePreference.isChecked() ? "1" : "0");
1373        pokeSystemProperties();
1374        Toast.makeText(getActivity(), R.string.color_temperature_toast, Toast.LENGTH_LONG).show();
1375    }
1376
1377    private void updateUSBAudioOptions() {
1378        updateSwitchPreference(mUSBAudio, Settings.Secure.getInt(getContentResolver(),
1379                Settings.Secure.USB_AUDIO_AUTOMATIC_ROUTING_DISABLED, 0) != 0);
1380    }
1381
1382    private void writeUSBAudioOptions() {
1383        Settings.Secure.putInt(getContentResolver(),
1384                Settings.Secure.USB_AUDIO_AUTOMATIC_ROUTING_DISABLED,
1385                mUSBAudio.isChecked() ? 1 : 0);
1386    }
1387
1388    private void updateForceResizableOptions() {
1389        updateSwitchPreference(mForceResizable, Settings.Global.getInt(getContentResolver(),
1390                Settings.Global.DEVELOPMENT_FORCE_RESIZABLE_ACTIVITIES, 0) != 0);
1391    }
1392
1393    private void writeForceResizableOptions() {
1394        Settings.Global.putInt(getContentResolver(),
1395                Settings.Global.DEVELOPMENT_FORCE_RESIZABLE_ACTIVITIES,
1396                mForceResizable.isChecked() ? 1 : 0);
1397    }
1398
1399    private void updateForceRtlOptions() {
1400        updateSwitchPreference(mForceRtlLayout,
1401                Settings.Global.getInt(getActivity().getContentResolver(),
1402                        Settings.Global.DEVELOPMENT_FORCE_RTL, 0) != 0);
1403    }
1404
1405    private void writeForceRtlOptions() {
1406        boolean value = mForceRtlLayout.isChecked();
1407        Settings.Global.putInt(getActivity().getContentResolver(),
1408                Settings.Global.DEVELOPMENT_FORCE_RTL, value ? 1 : 0);
1409        SystemProperties.set(Settings.Global.DEVELOPMENT_FORCE_RTL, value ? "1" : "0");
1410        LocalePicker.updateLocales(getActivity().getResources().getConfiguration().getLocales());
1411    }
1412
1413    private void updateWifiDisplayCertificationOptions() {
1414        updateSwitchPreference(mWifiDisplayCertification, Settings.Global.getInt(
1415                getActivity().getContentResolver(),
1416                Settings.Global.WIFI_DISPLAY_CERTIFICATION_ON, 0) != 0);
1417    }
1418
1419    private void writeWifiDisplayCertificationOptions() {
1420        Settings.Global.putInt(getActivity().getContentResolver(),
1421                Settings.Global.WIFI_DISPLAY_CERTIFICATION_ON,
1422                mWifiDisplayCertification.isChecked() ? 1 : 0);
1423    }
1424
1425    private void updateWifiVerboseLoggingOptions() {
1426        boolean enabled = mWifiManager.getVerboseLoggingLevel() > 0;
1427        updateSwitchPreference(mWifiVerboseLogging, enabled);
1428    }
1429
1430    private void writeWifiVerboseLoggingOptions() {
1431        mWifiManager.enableVerboseLogging(mWifiVerboseLogging.isChecked() ? 1 : 0);
1432    }
1433
1434    private void updateWifiAggressiveHandoverOptions() {
1435        boolean enabled = mWifiManager.getAggressiveHandover() > 0;
1436        updateSwitchPreference(mWifiAggressiveHandover, enabled);
1437    }
1438
1439    private void writeWifiAggressiveHandoverOptions() {
1440        mWifiManager.enableAggressiveHandover(mWifiAggressiveHandover.isChecked() ? 1 : 0);
1441    }
1442
1443    private void updateWifiAllowScansWithTrafficOptions() {
1444        boolean enabled = mWifiManager.getAllowScansWithTraffic() > 0;
1445        updateSwitchPreference(mWifiAllowScansWithTraffic, enabled);
1446    }
1447
1448    private void writeWifiAllowScansWithTrafficOptions() {
1449        mWifiManager.setAllowScansWithTraffic(mWifiAllowScansWithTraffic.isChecked() ? 1 : 0);
1450    }
1451
1452    private void updateBluetoothDisableAbsVolumeOptions() {
1453        updateSwitchPreference(mBluetoothDisableAbsVolume,
1454                SystemProperties.getBoolean(BLUETOOTH_DISABLE_ABSOLUTE_VOLUME_PROPERTY, false));
1455    }
1456
1457    private void writeBluetoothDisableAbsVolumeOptions() {
1458        SystemProperties.set(BLUETOOTH_DISABLE_ABSOLUTE_VOLUME_PROPERTY,
1459                mBluetoothDisableAbsVolume.isChecked() ? "true" : "false");
1460    }
1461
1462    private void updateBluetoothEnableInbandRingingOptions() {
1463        if (mBluetoothEnableInbandRinging != null) {
1464            updateSwitchPreference(mBluetoothEnableInbandRinging,
1465                SystemProperties.getBoolean(BLUETOOTH_ENABLE_INBAND_RINGING_PROPERTY, true));
1466        }
1467    }
1468
1469    private void writeBluetoothEnableInbandRingingOptions() {
1470        if (mBluetoothEnableInbandRinging != null) {
1471            SystemProperties.set(BLUETOOTH_ENABLE_INBAND_RINGING_PROPERTY,
1472                mBluetoothEnableInbandRinging.isChecked() ? "true" : "false");
1473        }
1474    }
1475
1476    private void updateMobileDataAlwaysOnOptions() {
1477        updateSwitchPreference(mMobileDataAlwaysOn, Settings.Global.getInt(
1478                getActivity().getContentResolver(),
1479                Settings.Global.MOBILE_DATA_ALWAYS_ON, 1) != 0);
1480    }
1481
1482    private void writeMobileDataAlwaysOnOptions() {
1483        Settings.Global.putInt(getActivity().getContentResolver(),
1484                Settings.Global.MOBILE_DATA_ALWAYS_ON,
1485                mMobileDataAlwaysOn.isChecked() ? 1 : 0);
1486    }
1487
1488    private void updateTetheringHardwareOffloadOptions() {
1489        updateSwitchPreference(mTetheringHardwareOffload, Settings.Global.getInt(
1490                getActivity().getContentResolver(),
1491                Settings.Global.TETHER_OFFLOAD_DISABLED, 0) != 1);
1492    }
1493
1494    private void writeTetheringHardwareOffloadOptions() {
1495        Settings.Global.putInt(getActivity().getContentResolver(),
1496                Settings.Global.TETHER_OFFLOAD_DISABLED,
1497                mTetheringHardwareOffload.isChecked() ? 0 : 1);
1498    }
1499
1500    private String defaultLogdSizeValue() {
1501        String defaultValue = SystemProperties.get(SELECT_LOGD_DEFAULT_SIZE_PROPERTY);
1502        if ((defaultValue == null) || (defaultValue.length() == 0)) {
1503            if (SystemProperties.get("ro.config.low_ram").equals("true")) {
1504                defaultValue = SELECT_LOGD_SVELTE_DEFAULT_SIZE_VALUE;
1505            } else {
1506                defaultValue = SELECT_LOGD_DEFAULT_SIZE_VALUE;
1507            }
1508        }
1509        return defaultValue;
1510    }
1511
1512    private void updateLogdSizeValues() {
1513        if (mLogdSize != null) {
1514            String currentTag = SystemProperties.get(SELECT_LOGD_TAG_PROPERTY);
1515            String currentValue = SystemProperties.get(SELECT_LOGD_SIZE_PROPERTY);
1516            if ((currentTag != null) && currentTag.startsWith(SELECT_LOGD_TAG_SILENCE)) {
1517                currentValue = SELECT_LOGD_OFF_SIZE_MARKER_VALUE;
1518            }
1519            if (mLogpersist != null) {
1520                String currentLogpersistEnable
1521                        = SystemProperties.get(ACTUAL_LOGPERSIST_PROPERTY_ENABLE);
1522                if ((currentLogpersistEnable == null)
1523                        || !currentLogpersistEnable.equals("true")
1524                        || currentValue.equals(SELECT_LOGD_OFF_SIZE_MARKER_VALUE)) {
1525                    writeLogpersistOption(null, true);
1526                    mLogpersist.setEnabled(false);
1527                } else if (mSettingsEnabler.getLastEnabledState()) {
1528                    mLogpersist.setEnabled(true);
1529                }
1530            }
1531            if ((currentValue == null) || (currentValue.length() == 0)) {
1532                currentValue = defaultLogdSizeValue();
1533            }
1534            String[] values = getResources().getStringArray(R.array.select_logd_size_values);
1535            String[] titles = getResources().getStringArray(R.array.select_logd_size_titles);
1536            int index = 2; // punt to second entry if not found
1537            if (SystemProperties.get("ro.config.low_ram").equals("true")) {
1538                mLogdSize.setEntries(R.array.select_logd_size_lowram_titles);
1539                titles = getResources().getStringArray(R.array.select_logd_size_lowram_titles);
1540                index = 1;
1541            }
1542            String[] summaries = getResources().getStringArray(R.array.select_logd_size_summaries);
1543            for (int i = 0; i < titles.length; i++) {
1544                if (currentValue.equals(values[i])
1545                        || currentValue.equals(titles[i])) {
1546                    index = i;
1547                    break;
1548                }
1549            }
1550            mLogdSize.setValue(values[index]);
1551            mLogdSize.setSummary(summaries[index]);
1552            mLogdSize.setOnPreferenceChangeListener(this);
1553        }
1554    }
1555
1556    private void writeLogdSizeOption(Object newValue) {
1557        boolean disable = (newValue != null) &&
1558                (newValue.toString().equals(SELECT_LOGD_OFF_SIZE_MARKER_VALUE));
1559        String currentTag = SystemProperties.get(SELECT_LOGD_TAG_PROPERTY);
1560        if (currentTag == null) {
1561            currentTag = "";
1562        }
1563        // filter clean and unstack all references to our setting
1564        String newTag = currentTag.replaceAll(
1565                ",+" + SELECT_LOGD_TAG_SILENCE, "").replaceFirst(
1566                "^" + SELECT_LOGD_TAG_SILENCE + ",*", "").replaceAll(
1567                ",+", ",").replaceFirst(
1568                ",+$", "");
1569        if (disable) {
1570            newValue = SELECT_LOGD_MINIMUM_SIZE_VALUE;
1571            // Make sure snet_event_log get through first, but do not override
1572            String snetValue = SystemProperties.get(SELECT_LOGD_SNET_TAG_PROPERTY);
1573            if ((snetValue == null) || (snetValue.length() == 0)) {
1574                snetValue = SystemProperties.get(SELECT_LOGD_RUNTIME_SNET_TAG_PROPERTY);
1575                if ((snetValue == null) || (snetValue.length() == 0)) {
1576                    SystemProperties.set(SELECT_LOGD_SNET_TAG_PROPERTY, "I");
1577                }
1578            }
1579            // Silence all log sources, security logs notwithstanding
1580            if (newTag.length() != 0) {
1581                newTag = "," + newTag;
1582            }
1583            // Stack settings, stack to help preserve original value
1584            newTag = SELECT_LOGD_TAG_SILENCE + newTag;
1585        }
1586        if (!newTag.equals(currentTag)) {
1587            SystemProperties.set(SELECT_LOGD_TAG_PROPERTY, newTag);
1588        }
1589        String defaultValue = defaultLogdSizeValue();
1590        final String size = ((newValue != null) && (newValue.toString().length() != 0)) ?
1591                newValue.toString() : defaultValue;
1592        SystemProperties.set(SELECT_LOGD_SIZE_PROPERTY, defaultValue.equals(size) ? "" : size);
1593        SystemProperties.set("ctl.start", "logd-reinit");
1594        pokeSystemProperties();
1595        updateLogdSizeValues();
1596    }
1597
1598    private void updateLogpersistValues() {
1599        if (mLogpersist == null) {
1600            return;
1601        }
1602        String currentValue = SystemProperties.get(ACTUAL_LOGPERSIST_PROPERTY);
1603        if (currentValue == null) {
1604            currentValue = "";
1605        }
1606        String currentBuffers = SystemProperties.get(ACTUAL_LOGPERSIST_PROPERTY_BUFFER);
1607        if ((currentBuffers == null) || (currentBuffers.length() == 0)) {
1608            currentBuffers = "all";
1609        }
1610        int index = 0;
1611        if (currentValue.equals(SELECT_LOGPERSIST_PROPERTY_SERVICE)) {
1612            index = 1;
1613            if (currentBuffers.equals("kernel")) {
1614                index = 3;
1615            } else if (!currentBuffers.equals("all") &&
1616                    !currentBuffers.contains("radio") &&
1617                    currentBuffers.contains("security") &&
1618                    currentBuffers.contains("kernel")) {
1619                index = 2;
1620                if (!currentBuffers.contains("default")) {
1621                    String[] contains = {"main", "events", "system", "crash"};
1622                    for (int i = 0; i < contains.length; i++) {
1623                        if (!currentBuffers.contains(contains[i])) {
1624                            index = 1;
1625                            break;
1626                        }
1627                    }
1628                }
1629            }
1630        }
1631        mLogpersist.setValue(
1632                getResources().getStringArray(R.array.select_logpersist_values)[index]);
1633        mLogpersist.setSummary(
1634                getResources().getStringArray(R.array.select_logpersist_summaries)[index]);
1635        mLogpersist.setOnPreferenceChangeListener(this);
1636        if (index != 0) {
1637            mLogpersistCleared = false;
1638        } else if (!mLogpersistCleared) {
1639            // would File.delete() directly but need to switch uid/gid to access
1640            SystemProperties.set(ACTUAL_LOGPERSIST_PROPERTY, SELECT_LOGPERSIST_PROPERTY_CLEAR);
1641            pokeSystemProperties();
1642            mLogpersistCleared = true;
1643        }
1644    }
1645
1646    private void setLogpersistOff(boolean update) {
1647        SystemProperties.set(SELECT_LOGPERSIST_PROPERTY_BUFFER, "");
1648        // deal with trampoline of empty properties
1649        SystemProperties.set(ACTUAL_LOGPERSIST_PROPERTY_BUFFER, "");
1650        SystemProperties.set(SELECT_LOGPERSIST_PROPERTY, "");
1651        SystemProperties.set(ACTUAL_LOGPERSIST_PROPERTY,
1652                update ? "" : SELECT_LOGPERSIST_PROPERTY_STOP);
1653        pokeSystemProperties();
1654        if (update) {
1655            updateLogpersistValues();
1656        } else {
1657            for (int i = 0; i < 3; i++) {
1658                String currentValue = SystemProperties.get(ACTUAL_LOGPERSIST_PROPERTY);
1659                if ((currentValue == null) || currentValue.equals("")) {
1660                    break;
1661                }
1662                try {
1663                    Thread.sleep(100);
1664                } catch (InterruptedException e) {
1665                }
1666            }
1667        }
1668    }
1669
1670    private void writeLogpersistOption(Object newValue, boolean skipWarning) {
1671        if (mLogpersist == null) {
1672            return;
1673        }
1674        String currentTag = SystemProperties.get(SELECT_LOGD_TAG_PROPERTY);
1675        if ((currentTag != null) && currentTag.startsWith(SELECT_LOGD_TAG_SILENCE)) {
1676            newValue = null;
1677            skipWarning = true;
1678        }
1679
1680        if ((newValue == null) || newValue.toString().equals("")) {
1681            if (skipWarning) {
1682                mLogpersistCleared = false;
1683            } else if (!mLogpersistCleared) {
1684                // if transitioning from on to off, pop up an are you sure?
1685                String currentValue = SystemProperties.get(ACTUAL_LOGPERSIST_PROPERTY);
1686                if ((currentValue != null) &&
1687                        currentValue.equals(SELECT_LOGPERSIST_PROPERTY_SERVICE)) {
1688                    if (mLogpersistClearDialog != null) dismissDialogs();
1689                    mLogpersistClearDialog = new AlertDialog.Builder(getActivity()).setMessage(
1690                            getActivity().getResources().getString(
1691                                    R.string.dev_logpersist_clear_warning_message))
1692                            .setTitle(R.string.dev_logpersist_clear_warning_title)
1693                            .setPositiveButton(android.R.string.yes, this)
1694                            .setNegativeButton(android.R.string.no, this)
1695                            .show();
1696                    mLogpersistClearDialog.setOnDismissListener(this);
1697                    return;
1698                }
1699            }
1700            setLogpersistOff(true);
1701            return;
1702        }
1703
1704        String currentBuffer = SystemProperties.get(ACTUAL_LOGPERSIST_PROPERTY_BUFFER);
1705        if ((currentBuffer != null) && !currentBuffer.equals(newValue.toString())) {
1706            setLogpersistOff(false);
1707        }
1708        SystemProperties.set(SELECT_LOGPERSIST_PROPERTY_BUFFER, newValue.toString());
1709        SystemProperties.set(SELECT_LOGPERSIST_PROPERTY, SELECT_LOGPERSIST_PROPERTY_SERVICE);
1710        pokeSystemProperties();
1711        for (int i = 0; i < 3; i++) {
1712            String currentValue = SystemProperties.get(ACTUAL_LOGPERSIST_PROPERTY);
1713            if ((currentValue != null)
1714                    && currentValue.equals(SELECT_LOGPERSIST_PROPERTY_SERVICE)) {
1715                break;
1716            }
1717            try {
1718                Thread.sleep(100);
1719            } catch (InterruptedException e) {
1720            }
1721        }
1722        updateLogpersistValues();
1723    }
1724
1725    private void updateUsbConfigurationValues() {
1726        if (mUsbConfiguration != null) {
1727            UsbManager manager = (UsbManager) getSystemService(Context.USB_SERVICE);
1728
1729            String[] values = getResources().getStringArray(R.array.usb_configuration_values);
1730            String[] titles = getResources().getStringArray(R.array.usb_configuration_titles);
1731            int index = 0;
1732            for (int i = 0; i < titles.length; i++) {
1733                if (manager.isFunctionEnabled(values[i])) {
1734                    index = i;
1735                    break;
1736                }
1737            }
1738            mUsbConfiguration.setValue(values[index]);
1739            mUsbConfiguration.setSummary(titles[index]);
1740            mUsbConfiguration.setOnPreferenceChangeListener(this);
1741        }
1742    }
1743
1744    private void writeUsbConfigurationOption(Object newValue) {
1745        UsbManager manager = (UsbManager) getActivity().getSystemService(Context.USB_SERVICE);
1746        String function = newValue.toString();
1747        if (function.equals("none")) {
1748            manager.setCurrentFunction(function, false);
1749        } else {
1750            manager.setCurrentFunction(function, true);
1751        }
1752    }
1753
1754    private void initBluetoothConfigurationValues() {
1755        String[] values;
1756        String[] summaries;
1757        int index;
1758
1759        // Init the AVRCP Version - Default
1760        values = getResources().getStringArray(R.array.bluetooth_avrcp_version_values);
1761        summaries = getResources().getStringArray(R.array.bluetooth_avrcp_versions);
1762        String value = SystemProperties.get(BLUETOOTH_AVRCP_VERSION_PROPERTY, values[0]);
1763        index = mBluetoothSelectAvrcpVersion.findIndexOfValue(value);
1764        mBluetoothSelectAvrcpVersion.setValue(values[index]);
1765        mBluetoothSelectAvrcpVersion.setSummary(summaries[index]);
1766
1767        // Init the Codec Type - Default
1768        values = getResources().getStringArray(R.array.bluetooth_a2dp_codec_values);
1769        summaries = getResources().getStringArray(R.array.bluetooth_a2dp_codec_summaries);
1770        index = 0;
1771        mBluetoothSelectA2dpCodec.setValue(values[index]);
1772        mBluetoothSelectA2dpCodec.setSummary(summaries[index]);
1773
1774        // Init the Sample Rate - Default
1775        values = getResources().getStringArray(R.array.bluetooth_a2dp_codec_sample_rate_values);
1776        summaries = getResources().getStringArray(R.array.bluetooth_a2dp_codec_sample_rate_summaries);
1777        index = 0;
1778        mBluetoothSelectA2dpSampleRate.setValue(values[index]);
1779        mBluetoothSelectA2dpSampleRate.setSummary(summaries[index]);
1780
1781        // Init the Bits Per Sample - Default
1782        values = getResources().getStringArray(R.array.bluetooth_a2dp_codec_bits_per_sample_values);
1783        summaries = getResources().getStringArray(R.array.bluetooth_a2dp_codec_bits_per_sample_summaries);
1784        index = 0;
1785        mBluetoothSelectA2dpBitsPerSample.setValue(values[index]);
1786        mBluetoothSelectA2dpBitsPerSample.setSummary(summaries[index]);
1787
1788        // Init the Channel Mode - Default
1789        values = getResources().getStringArray(R.array.bluetooth_a2dp_codec_channel_mode_values);
1790        summaries = getResources().getStringArray(R.array.bluetooth_a2dp_codec_channel_mode_summaries);
1791        index = 0;
1792        mBluetoothSelectA2dpChannelMode.setValue(values[index]);
1793        mBluetoothSelectA2dpChannelMode.setSummary(summaries[index]);
1794
1795        // Init the LDAC Playback Quality - ABR
1796        values = getResources().getStringArray(R.array.bluetooth_a2dp_codec_ldac_playback_quality_values);
1797        summaries = getResources().getStringArray(R.array.bluetooth_a2dp_codec_ldac_playback_quality_summaries);
1798        index = 3;
1799        mBluetoothSelectA2dpLdacPlaybackQuality.setValue(values[index]);
1800        mBluetoothSelectA2dpLdacPlaybackQuality.setSummary(summaries[index]);
1801    }
1802
1803    private void writeBluetoothAvrcpVersion(Object newValue) {
1804        SystemProperties.set(BLUETOOTH_AVRCP_VERSION_PROPERTY, newValue.toString());
1805        int index = mBluetoothSelectAvrcpVersion.findIndexOfValue(newValue.toString());
1806        if (index >= 0) {
1807            String[] titles = getResources().getStringArray(R.array.bluetooth_avrcp_versions);
1808            mBluetoothSelectAvrcpVersion.setSummary(titles[index]);
1809        }
1810    }
1811
1812    private void updateBluetoothA2dpConfigurationValues() {
1813        int index;
1814        String[] summaries;
1815        BluetoothCodecStatus codecStatus = null;
1816        BluetoothCodecConfig codecConfig = null;
1817        BluetoothCodecConfig[] codecsLocalCapabilities = null;
1818        BluetoothCodecConfig[] codecsSelectableCapabilities = null;
1819        String streaming;
1820        Resources resources = null;
1821
1822        synchronized (mBluetoothA2dpLock) {
1823            if (mBluetoothA2dp != null) {
1824                codecStatus = mBluetoothA2dp.getCodecStatus();
1825                if (codecStatus != null) {
1826                    codecConfig = codecStatus.getCodecConfig();
1827                    codecsLocalCapabilities = codecStatus.getCodecsLocalCapabilities();
1828                    codecsSelectableCapabilities = codecStatus.getCodecsSelectableCapabilities();
1829                }
1830            }
1831        }
1832        if (codecConfig == null) {
1833            return;
1834        }
1835
1836        try {
1837            resources = getResources();
1838        } catch (IllegalStateException e) {
1839            return;
1840        }
1841        if (resources == null) {
1842            return;
1843        }
1844
1845        // Update the Codec Type
1846        index = -1;
1847        switch (codecConfig.getCodecType()) {
1848        case BluetoothCodecConfig.SOURCE_CODEC_TYPE_SBC:
1849            index = 1;
1850            break;
1851        case BluetoothCodecConfig.SOURCE_CODEC_TYPE_AAC:
1852            index = 2;
1853            break;
1854        case BluetoothCodecConfig.SOURCE_CODEC_TYPE_APTX:
1855            index = 3;
1856            break;
1857        case BluetoothCodecConfig.SOURCE_CODEC_TYPE_APTX_HD:
1858            index = 4;
1859            break;
1860        case BluetoothCodecConfig.SOURCE_CODEC_TYPE_LDAC:
1861            index = 5;
1862            break;
1863        case BluetoothCodecConfig.SOURCE_CODEC_TYPE_INVALID:
1864        default:
1865            break;
1866        }
1867        if (index >= 0 && mBluetoothSelectA2dpCodec != null) {
1868            summaries = resources.getStringArray(R.array.bluetooth_a2dp_codec_summaries);
1869            streaming = resources.getString(R.string.bluetooth_select_a2dp_codec_streaming_label, summaries[index]);
1870            mBluetoothSelectA2dpCodec.setSummary(streaming);
1871        }
1872
1873        // Update the Sample Rate
1874        index = -1;
1875        switch (codecConfig.getSampleRate()) {
1876        case BluetoothCodecConfig.SAMPLE_RATE_44100:
1877            index = 1;
1878            break;
1879        case BluetoothCodecConfig.SAMPLE_RATE_48000:
1880            index = 2;
1881            break;
1882        case BluetoothCodecConfig.SAMPLE_RATE_88200:
1883            index = 3;
1884            break;
1885        case BluetoothCodecConfig.SAMPLE_RATE_96000:
1886            index = 4;
1887            break;
1888        case BluetoothCodecConfig.SAMPLE_RATE_176400:
1889        case BluetoothCodecConfig.SAMPLE_RATE_192000:
1890        case BluetoothCodecConfig.SAMPLE_RATE_NONE:
1891        default:
1892            break;
1893        }
1894        if (index >= 0 && mBluetoothSelectA2dpSampleRate != null) {
1895            summaries = resources.getStringArray(R.array.bluetooth_a2dp_codec_sample_rate_summaries);
1896            streaming = resources.getString(R.string.bluetooth_select_a2dp_codec_streaming_label, summaries[index]);
1897             mBluetoothSelectA2dpSampleRate.setSummary(streaming);
1898        }
1899
1900        // Update the Bits Per Sample
1901        index = -1;
1902        switch (codecConfig.getBitsPerSample()) {
1903        case BluetoothCodecConfig.BITS_PER_SAMPLE_16:
1904            index = 1;
1905            break;
1906        case BluetoothCodecConfig.BITS_PER_SAMPLE_24:
1907            index = 2;
1908            break;
1909        case BluetoothCodecConfig.BITS_PER_SAMPLE_32:
1910            index = 3;
1911            break;
1912        case BluetoothCodecConfig.BITS_PER_SAMPLE_NONE:
1913        default:
1914            break;
1915        }
1916        if (index >= 0 && mBluetoothSelectA2dpBitsPerSample != null) {
1917            summaries = resources.getStringArray(R.array.bluetooth_a2dp_codec_bits_per_sample_summaries);
1918            streaming = resources.getString(R.string.bluetooth_select_a2dp_codec_streaming_label, summaries[index]);
1919            mBluetoothSelectA2dpBitsPerSample.setSummary(streaming);
1920        }
1921
1922        // Update the Channel Mode
1923        index = -1;
1924        switch (codecConfig.getChannelMode()) {
1925        case BluetoothCodecConfig.CHANNEL_MODE_MONO:
1926            index = 1;
1927            break;
1928        case BluetoothCodecConfig.CHANNEL_MODE_STEREO:
1929            index = 2;
1930            break;
1931        case BluetoothCodecConfig.CHANNEL_MODE_NONE:
1932        default:
1933            break;
1934        }
1935        if (index >= 0 && mBluetoothSelectA2dpChannelMode != null) {
1936            summaries = resources.getStringArray(R.array.bluetooth_a2dp_codec_channel_mode_summaries);
1937            streaming = resources.getString(R.string.bluetooth_select_a2dp_codec_streaming_label, summaries[index]);
1938             mBluetoothSelectA2dpChannelMode.setSummary(streaming);
1939        }
1940
1941        // Update the LDAC Playback Quality
1942        // The actual values are 0, 1, 2 - those are extracted
1943        // as mod-10 remainders of a larger value.
1944        // The reason is because within BluetoothCodecConfig we cannot use
1945        // a codec-specific value of zero.
1946        index = (int)codecConfig.getCodecSpecific1();
1947        if (index > 0) {
1948            index %= 10;
1949        } else {
1950            index = -1;
1951        }
1952        switch (index) {
1953        case 0:
1954        case 1:
1955        case 2:
1956        case 3:
1957            break;
1958        default:
1959            index = -1;
1960            break;
1961        }
1962        if (index >= 0 && mBluetoothSelectA2dpLdacPlaybackQuality != null) {
1963            summaries = resources.getStringArray(R.array.bluetooth_a2dp_codec_ldac_playback_quality_summaries);
1964            streaming = resources.getString(R.string.bluetooth_select_a2dp_codec_streaming_label, summaries[index]);
1965            mBluetoothSelectA2dpLdacPlaybackQuality.setSummary(streaming);
1966        }
1967    }
1968
1969    private void writeBluetoothConfigurationOption(Preference preference,
1970                                                   Object newValue) {
1971        String[] summaries;
1972        int index;
1973        int codecTypeValue = BluetoothCodecConfig.SOURCE_CODEC_TYPE_INVALID;
1974        int codecPriorityValue = BluetoothCodecConfig.CODEC_PRIORITY_DEFAULT;
1975        int sampleRateValue = BluetoothCodecConfig.SAMPLE_RATE_NONE;
1976        int bitsPerSampleValue = BluetoothCodecConfig.BITS_PER_SAMPLE_NONE;
1977        int channelModeValue = BluetoothCodecConfig.CHANNEL_MODE_NONE;
1978        long codecSpecific1Value = 0;
1979        long codecSpecific2Value = 0;
1980        long codecSpecific3Value = 0;
1981        long codecSpecific4Value = 0;
1982
1983        // Codec Type
1984        String codecType = mBluetoothSelectA2dpCodec.getValue();
1985        if (preference == mBluetoothSelectA2dpCodec) {
1986            codecType = newValue.toString();
1987            index = mBluetoothSelectA2dpCodec.findIndexOfValue(newValue.toString());
1988            if (index >= 0) {
1989                summaries = getResources().getStringArray(R.array.bluetooth_a2dp_codec_summaries);
1990                mBluetoothSelectA2dpCodec.setSummary(summaries[index]);
1991            }
1992        }
1993        index = mBluetoothSelectA2dpCodec.findIndexOfValue(codecType);
1994        switch (index) {
1995        case 0:
1996            // Reset the priority of the current codec to default
1997            String oldValue = mBluetoothSelectA2dpCodec.getValue();
1998            switch (mBluetoothSelectA2dpCodec.findIndexOfValue(oldValue)) {
1999            case 0:
2000                break;      // No current codec
2001            case 1:
2002                codecTypeValue = BluetoothCodecConfig.SOURCE_CODEC_TYPE_SBC;
2003                break;
2004            case 2:
2005                codecTypeValue = BluetoothCodecConfig.SOURCE_CODEC_TYPE_AAC;
2006                break;
2007            case 3:
2008                codecTypeValue = BluetoothCodecConfig.SOURCE_CODEC_TYPE_APTX;
2009                break;
2010            case 4:
2011                codecTypeValue = BluetoothCodecConfig.SOURCE_CODEC_TYPE_APTX_HD;
2012                break;
2013            case 5:
2014                codecTypeValue = BluetoothCodecConfig.SOURCE_CODEC_TYPE_LDAC;
2015                break;
2016            default:
2017                break;
2018            }
2019            break;
2020        case 1:
2021            codecTypeValue = BluetoothCodecConfig.SOURCE_CODEC_TYPE_SBC;
2022            codecPriorityValue = BluetoothCodecConfig.CODEC_PRIORITY_HIGHEST;
2023            break;
2024        case 2:
2025            codecTypeValue = BluetoothCodecConfig.SOURCE_CODEC_TYPE_AAC;
2026            codecPriorityValue = BluetoothCodecConfig.CODEC_PRIORITY_HIGHEST;
2027            break;
2028        case 3:
2029            codecTypeValue = BluetoothCodecConfig.SOURCE_CODEC_TYPE_APTX;
2030            codecPriorityValue = BluetoothCodecConfig.CODEC_PRIORITY_HIGHEST;
2031            break;
2032        case 4:
2033            codecTypeValue = BluetoothCodecConfig.SOURCE_CODEC_TYPE_APTX_HD;
2034            codecPriorityValue = BluetoothCodecConfig.CODEC_PRIORITY_HIGHEST;
2035            break;
2036        case 5:
2037            codecTypeValue = BluetoothCodecConfig.SOURCE_CODEC_TYPE_LDAC;
2038            codecPriorityValue = BluetoothCodecConfig.CODEC_PRIORITY_HIGHEST;
2039            break;
2040        case 6:
2041        synchronized (mBluetoothA2dpLock) {
2042            if (mBluetoothA2dp != null) {
2043                mBluetoothA2dp.enableOptionalCodecs();
2044            }
2045        }
2046        return;
2047        case 7:
2048        synchronized (mBluetoothA2dpLock) {
2049            if (mBluetoothA2dp != null) {
2050                mBluetoothA2dp.disableOptionalCodecs();
2051            }
2052        }
2053        return;
2054        default:
2055            break;
2056        }
2057
2058        // Sample Rate
2059        String sampleRate = mBluetoothSelectA2dpSampleRate.getValue();
2060        if (preference == mBluetoothSelectA2dpSampleRate) {
2061            sampleRate = newValue.toString();
2062            index = mBluetoothSelectA2dpSampleRate.findIndexOfValue(newValue.toString());
2063            if (index >= 0) {
2064                summaries = getResources().getStringArray(R.array.bluetooth_a2dp_codec_sample_rate_summaries);
2065                mBluetoothSelectA2dpSampleRate.setSummary(summaries[index]);
2066            }
2067        }
2068        index = mBluetoothSelectA2dpSampleRate.findIndexOfValue(sampleRate);
2069        switch (index) {
2070        case 0:
2071            // Reset to default
2072            break;
2073        case 1:
2074            sampleRateValue = BluetoothCodecConfig.SAMPLE_RATE_44100;
2075            break;
2076        case 2:
2077            sampleRateValue = BluetoothCodecConfig.SAMPLE_RATE_48000;
2078            break;
2079        case 3:
2080            sampleRateValue = BluetoothCodecConfig.SAMPLE_RATE_88200;
2081            break;
2082        case 4:
2083            sampleRateValue = BluetoothCodecConfig.SAMPLE_RATE_96000;
2084            break;
2085        default:
2086            break;
2087        }
2088
2089        // Bits Per Sample
2090        String bitsPerSample = mBluetoothSelectA2dpBitsPerSample.getValue();
2091        if (preference == mBluetoothSelectA2dpBitsPerSample) {
2092            bitsPerSample = newValue.toString();
2093            index = mBluetoothSelectA2dpBitsPerSample.findIndexOfValue(newValue.toString());
2094            if (index >= 0) {
2095                summaries = getResources().getStringArray(R.array.bluetooth_a2dp_codec_bits_per_sample_summaries);
2096                mBluetoothSelectA2dpBitsPerSample.setSummary(summaries[index]);
2097            }
2098        }
2099        index = mBluetoothSelectA2dpBitsPerSample.findIndexOfValue(bitsPerSample);
2100        switch (index) {
2101        case 0:
2102            // Reset to default
2103            break;
2104        case 1:
2105            bitsPerSampleValue = BluetoothCodecConfig.BITS_PER_SAMPLE_16;
2106            break;
2107        case 2:
2108            bitsPerSampleValue = BluetoothCodecConfig.BITS_PER_SAMPLE_24;
2109            break;
2110        case 3:
2111            bitsPerSampleValue = BluetoothCodecConfig.BITS_PER_SAMPLE_32;
2112            break;
2113        default:
2114            break;
2115        }
2116
2117        // Channel Mode
2118        String channelMode = mBluetoothSelectA2dpChannelMode.getValue();
2119        if (preference == mBluetoothSelectA2dpChannelMode) {
2120            channelMode = newValue.toString();
2121            index = mBluetoothSelectA2dpChannelMode.findIndexOfValue(newValue.toString());
2122            if (index >= 0) {
2123                summaries = getResources().getStringArray(R.array.bluetooth_a2dp_codec_channel_mode_summaries);
2124                mBluetoothSelectA2dpChannelMode.setSummary(summaries[index]);
2125            }
2126        }
2127        index = mBluetoothSelectA2dpChannelMode.findIndexOfValue(channelMode);
2128        switch (index) {
2129        case 0:
2130            // Reset to default
2131            break;
2132        case 1:
2133            channelModeValue = BluetoothCodecConfig.CHANNEL_MODE_MONO;
2134            break;
2135        case 2:
2136            channelModeValue = BluetoothCodecConfig.CHANNEL_MODE_STEREO;
2137            break;
2138        default:
2139            break;
2140        }
2141
2142        // LDAC Playback Quality
2143        String ldacPlaybackQuality = mBluetoothSelectA2dpLdacPlaybackQuality.getValue();
2144        if (preference == mBluetoothSelectA2dpLdacPlaybackQuality) {
2145            ldacPlaybackQuality = newValue.toString();
2146            index = mBluetoothSelectA2dpLdacPlaybackQuality.findIndexOfValue(newValue.toString());
2147            if (index >= 0) {
2148                summaries = getResources().getStringArray(R.array.bluetooth_a2dp_codec_ldac_playback_quality_summaries);
2149                mBluetoothSelectA2dpLdacPlaybackQuality.setSummary(summaries[index]);
2150            }
2151        }
2152        index = mBluetoothSelectA2dpLdacPlaybackQuality.findIndexOfValue(ldacPlaybackQuality);
2153        switch (index) {
2154        case 0:
2155        case 1:
2156        case 2:
2157        case 3:
2158            codecSpecific1Value = 1000 + index;
2159            break;
2160        default:
2161            break;
2162        }
2163
2164        BluetoothCodecConfig codecConfig =
2165            new BluetoothCodecConfig(codecTypeValue, codecPriorityValue,
2166                                     sampleRateValue, bitsPerSampleValue,
2167                                     channelModeValue, codecSpecific1Value,
2168                                     codecSpecific2Value, codecSpecific3Value,
2169                                     codecSpecific4Value);
2170
2171        synchronized (mBluetoothA2dpLock) {
2172            if (mBluetoothA2dp != null) {
2173                mBluetoothA2dp.setCodecConfigPreference(codecConfig);
2174            }
2175        }
2176    }
2177
2178    private void writeImmediatelyDestroyActivitiesOptions() {
2179        try {
2180            ActivityManager.getService().setAlwaysFinish(
2181                    mImmediatelyDestroyActivities.isChecked());
2182        } catch (RemoteException ex) {
2183        }
2184    }
2185
2186    private void updateImmediatelyDestroyActivitiesOptions() {
2187        updateSwitchPreference(mImmediatelyDestroyActivities, Settings.Global.getInt(
2188                getActivity().getContentResolver(), Settings.Global.ALWAYS_FINISH_ACTIVITIES, 0)
2189                != 0);
2190    }
2191
2192    private void updateAnimationScaleValue(int which, ListPreference pref) {
2193        try {
2194            float scale = mWindowManager.getAnimationScale(which);
2195            if (scale != 1) {
2196                mHaveDebugSettings = true;
2197            }
2198            CharSequence[] values = pref.getEntryValues();
2199            for (int i = 0; i < values.length; i++) {
2200                float val = Float.parseFloat(values[i].toString());
2201                if (scale <= val) {
2202                    pref.setValueIndex(i);
2203                    pref.setSummary(pref.getEntries()[i]);
2204                    return;
2205                }
2206            }
2207            pref.setValueIndex(values.length - 1);
2208            pref.setSummary(pref.getEntries()[0]);
2209        } catch (RemoteException e) {
2210        }
2211    }
2212
2213    private void updateAnimationScaleOptions() {
2214        updateAnimationScaleValue(0, mWindowAnimationScale);
2215        updateAnimationScaleValue(1, mTransitionAnimationScale);
2216        updateAnimationScaleValue(2, mAnimatorDurationScale);
2217    }
2218
2219    private void writeAnimationScaleOption(int which, ListPreference pref, Object newValue) {
2220        try {
2221            float scale = newValue != null ? Float.parseFloat(newValue.toString()) : 1;
2222            mWindowManager.setAnimationScale(which, scale);
2223            updateAnimationScaleValue(which, pref);
2224        } catch (RemoteException e) {
2225        }
2226    }
2227
2228    private void updateOverlayDisplayDevicesOptions() {
2229        String value = Settings.Global.getString(getActivity().getContentResolver(),
2230                Settings.Global.OVERLAY_DISPLAY_DEVICES);
2231        if (value == null) {
2232            value = "";
2233        }
2234
2235        CharSequence[] values = mOverlayDisplayDevices.getEntryValues();
2236        for (int i = 0; i < values.length; i++) {
2237            if (value.contentEquals(values[i])) {
2238                mOverlayDisplayDevices.setValueIndex(i);
2239                mOverlayDisplayDevices.setSummary(mOverlayDisplayDevices.getEntries()[i]);
2240                return;
2241            }
2242        }
2243        mOverlayDisplayDevices.setValueIndex(0);
2244        mOverlayDisplayDevices.setSummary(mOverlayDisplayDevices.getEntries()[0]);
2245    }
2246
2247    private void writeOverlayDisplayDevicesOptions(Object newValue) {
2248        Settings.Global.putString(getActivity().getContentResolver(),
2249                Settings.Global.OVERLAY_DISPLAY_DEVICES, (String) newValue);
2250        updateOverlayDisplayDevicesOptions();
2251    }
2252
2253    private void updateAppProcessLimitOptions() {
2254        try {
2255            int limit = ActivityManager.getService().getProcessLimit();
2256            CharSequence[] values = mAppProcessLimit.getEntryValues();
2257            for (int i = 0; i < values.length; i++) {
2258                int val = Integer.parseInt(values[i].toString());
2259                if (val >= limit) {
2260                    if (i != 0) {
2261                        mHaveDebugSettings = true;
2262                    }
2263                    mAppProcessLimit.setValueIndex(i);
2264                    mAppProcessLimit.setSummary(mAppProcessLimit.getEntries()[i]);
2265                    return;
2266                }
2267            }
2268            mAppProcessLimit.setValueIndex(0);
2269            mAppProcessLimit.setSummary(mAppProcessLimit.getEntries()[0]);
2270        } catch (RemoteException e) {
2271        }
2272    }
2273
2274    private void writeAppProcessLimitOptions(Object newValue) {
2275        try {
2276            int limit = newValue != null ? Integer.parseInt(newValue.toString()) : -1;
2277            ActivityManager.getService().setProcessLimit(limit);
2278            updateAppProcessLimitOptions();
2279        } catch (RemoteException e) {
2280        }
2281    }
2282
2283    private void writeShowAllANRsOptions() {
2284        Settings.Secure.putInt(getActivity().getContentResolver(),
2285                Settings.Secure.ANR_SHOW_BACKGROUND,
2286                mShowAllANRs.isChecked() ? 1 : 0);
2287    }
2288
2289    private void updateShowAllANRsOptions() {
2290        updateSwitchPreference(mShowAllANRs, Settings.Secure.getInt(
2291                getActivity().getContentResolver(), Settings.Secure.ANR_SHOW_BACKGROUND, 0) != 0);
2292    }
2293
2294    private void writeShowNotificationChannelWarningsOptions() {
2295        Settings.Global.putInt(getActivity().getContentResolver(),
2296                Settings.Global.SHOW_NOTIFICATION_CHANNEL_WARNINGS,
2297                mShowNotificationChannelWarnings.isChecked() ? 1 : 0);
2298    }
2299
2300    private void updateShowNotificationChannelWarningsOptions() {
2301        final int defaultWarningEnabled = Build.IS_DEBUGGABLE ? 1 : 0;
2302        updateSwitchPreference(mShowNotificationChannelWarnings, Settings.Global.getInt(
2303                getActivity().getContentResolver(),
2304                Settings.Global.SHOW_NOTIFICATION_CHANNEL_WARNINGS, defaultWarningEnabled) != 0);
2305    }
2306
2307    private void confirmEnableOemUnlock() {
2308        DialogInterface.OnClickListener onClickListener = new DialogInterface.OnClickListener() {
2309            @Override
2310            public void onClick(DialogInterface dialog, int which) {
2311                if (which == DialogInterface.BUTTON_POSITIVE) {
2312                    mOemLockManager.setOemUnlockAllowedByUser(true);
2313                }
2314            }
2315        };
2316
2317        DialogInterface.OnDismissListener onDismissListener =
2318                new DialogInterface.OnDismissListener() {
2319                    @Override
2320                    public void onDismiss(DialogInterface dialog) {
2321                        if (getActivity() == null) {
2322                            return;
2323                        }
2324                        updateAllOptions();
2325                    }
2326                };
2327
2328        new AlertDialog.Builder(getActivity())
2329                .setTitle(R.string.confirm_enable_oem_unlock_title)
2330                .setMessage(R.string.confirm_enable_oem_unlock_text)
2331                .setPositiveButton(R.string.enable_text, onClickListener)
2332                .setNegativeButton(android.R.string.cancel, null)
2333                .setOnDismissListener(onDismissListener)
2334                .create()
2335                .show();
2336    }
2337
2338    @Override
2339    public void onSwitchChanged(Switch switchView, boolean isChecked) {
2340        if (switchView != mSwitchBar.getSwitch()) {
2341            return;
2342        }
2343        final boolean lastEnabledState = mSettingsEnabler.getLastEnabledState();
2344        if (isChecked != lastEnabledState) {
2345            if (isChecked) {
2346                mDialogClicked = false;
2347                if (mEnableDialog != null) dismissDialogs();
2348                mEnableDialog = new AlertDialog.Builder(getActivity()).setMessage(
2349                        getActivity().getResources().getString(
2350                                R.string.dev_settings_warning_message))
2351                        .setTitle(R.string.dev_settings_warning_title)
2352                        .setPositiveButton(android.R.string.yes, this)
2353                        .setNegativeButton(android.R.string.no, this)
2354                        .show();
2355                mEnableDialog.setOnDismissListener(this);
2356            } else {
2357                resetDangerousOptions();
2358                mSettingsEnabler.disableDevelopmentSettings();
2359                setPrefsEnabledState(false);
2360            }
2361        }
2362    }
2363
2364    @Override
2365    public void onActivityResult(int requestCode, int resultCode, Intent data) {
2366        if (requestCode == RESULT_DEBUG_APP) {
2367            if (resultCode == Activity.RESULT_OK) {
2368                mDebugApp = data.getAction();
2369                writeDebuggerOptions();
2370                updateDebuggerOptions();
2371            }
2372        } else if (requestCode == RESULT_MOCK_LOCATION_APP) {
2373            if (resultCode == Activity.RESULT_OK) {
2374                mMockLocationApp = data.getAction();
2375                writeMockLocation();
2376                updateMockLocation();
2377            }
2378        } else if (requestCode == REQUEST_CODE_ENABLE_OEM_UNLOCK) {
2379            if (resultCode == Activity.RESULT_OK) {
2380                if (mEnableOemUnlock.isChecked()) {
2381                    confirmEnableOemUnlock();
2382                } else {
2383                    mOemLockManager.setOemUnlockAllowedByUser(false);
2384                }
2385            }
2386        } else {
2387            super.onActivityResult(requestCode, resultCode, data);
2388        }
2389    }
2390
2391    @Override
2392    public boolean onPreferenceTreeClick(Preference preference) {
2393        if (Utils.isMonkeyRunning()) {
2394            return false;
2395        }
2396
2397        if (mBugReportInPowerController.handlePreferenceTreeClick(preference)) {
2398            return true;
2399        }
2400
2401        if (mTelephonyMonitorController.handlePreferenceTreeClick(preference)) {
2402            return true;
2403        }
2404
2405        if (mWebViewAppPrefController.handlePreferenceTreeClick(preference)) {
2406            return true;
2407        }
2408
2409        if (mVerifyAppsOverUsbController.handlePreferenceTreeClick(preference)) {
2410            return true;
2411        }
2412
2413        if (preference == mEnableAdb) {
2414            if (mEnableAdb.isChecked()) {
2415                mDialogClicked = false;
2416                if (mAdbDialog != null) dismissDialogs();
2417                mAdbDialog = new AlertDialog.Builder(getActivity()).setMessage(
2418                        getActivity().getResources().getString(R.string.adb_warning_message))
2419                        .setTitle(R.string.adb_warning_title)
2420                        .setPositiveButton(android.R.string.yes, this)
2421                        .setNegativeButton(android.R.string.no, this)
2422                        .show();
2423                mAdbDialog.setOnDismissListener(this);
2424            } else {
2425                Settings.Global.putInt(getActivity().getContentResolver(),
2426                        Settings.Global.ADB_ENABLED, 0);
2427                mVerifyAppsOverUsbController.updatePreference();
2428                updateBugreportOptions();
2429            }
2430        } else if (preference == mClearAdbKeys) {
2431            if (mAdbKeysDialog != null) dismissDialogs();
2432            mAdbKeysDialog = new AlertDialog.Builder(getActivity())
2433                    .setMessage(R.string.adb_keys_warning_message)
2434                    .setPositiveButton(android.R.string.ok, this)
2435                    .setNegativeButton(android.R.string.cancel, null)
2436                    .show();
2437        } else if (preference == mEnableTerminal) {
2438            final PackageManager pm = getActivity().getPackageManager();
2439            pm.setApplicationEnabledSetting(TERMINAL_APP_PACKAGE,
2440                    mEnableTerminal.isChecked() ? PackageManager.COMPONENT_ENABLED_STATE_ENABLED
2441                            : PackageManager.COMPONENT_ENABLED_STATE_DEFAULT, 0);
2442        } else if (preference == mKeepScreenOn) {
2443            Settings.Global.putInt(getActivity().getContentResolver(),
2444                    Settings.Global.STAY_ON_WHILE_PLUGGED_IN,
2445                    mKeepScreenOn.isChecked() ?
2446                            (BatteryManager.BATTERY_PLUGGED_AC | BatteryManager.BATTERY_PLUGGED_USB
2447                                    | BatteryManager.BATTERY_PLUGGED_WIRELESS) : 0);
2448        } else if (preference == mBtHciSnoopLog) {
2449            writeBtHciSnoopLogOptions();
2450        } else if (preference == mEnableOemUnlock && mEnableOemUnlock.isEnabled()) {
2451            if (mEnableOemUnlock.isChecked()) {
2452                if (!showKeyguardConfirmation(getResources(), REQUEST_CODE_ENABLE_OEM_UNLOCK)) {
2453                    confirmEnableOemUnlock();
2454                }
2455            } else {
2456                mOemLockManager.setOemUnlockAllowedByUser(false);
2457            }
2458        } else if (preference == mMockLocationAppPref) {
2459            Intent intent = new Intent(getActivity(), AppPicker.class);
2460            intent.putExtra(AppPicker.EXTRA_REQUESTIING_PERMISSION,
2461                    Manifest.permission.ACCESS_MOCK_LOCATION);
2462            startActivityForResult(intent, RESULT_MOCK_LOCATION_APP);
2463        } else if (preference == mDebugViewAttributes) {
2464            Settings.Global.putInt(getActivity().getContentResolver(),
2465                    Settings.Global.DEBUG_VIEW_ATTRIBUTES,
2466                    mDebugViewAttributes.isChecked() ? 1 : 0);
2467        } else if (preference == mForceAllowOnExternal) {
2468            Settings.Global.putInt(getActivity().getContentResolver(),
2469                    Settings.Global.FORCE_ALLOW_ON_EXTERNAL,
2470                    mForceAllowOnExternal.isChecked() ? 1 : 0);
2471        } else if (preference == mDebugAppPref) {
2472            Intent intent = new Intent(getActivity(), AppPicker.class);
2473            intent.putExtra(AppPicker.EXTRA_DEBUGGABLE, true);
2474            startActivityForResult(intent, RESULT_DEBUG_APP);
2475        } else if (preference == mWaitForDebugger) {
2476            writeDebuggerOptions();
2477        } else if (preference == mOtaDisableAutomaticUpdate) {
2478            writeOtaDisableAutomaticUpdateOptions();
2479        } else if (preference == mStrictMode) {
2480            writeStrictModeVisualOptions();
2481        } else if (preference == mPointerLocation) {
2482            writePointerLocationOptions();
2483        } else if (preference == mShowTouches) {
2484            writeShowTouchesOptions();
2485        } else if (preference == mShowScreenUpdates) {
2486            writeShowUpdatesOption();
2487        } else if (preference == mDisableOverlays) {
2488            writeDisableOverlaysOption();
2489        } else if (preference == mImmediatelyDestroyActivities) {
2490            writeImmediatelyDestroyActivitiesOptions();
2491        } else if (preference == mShowAllANRs) {
2492            writeShowAllANRsOptions();
2493        } else if (preference == mShowNotificationChannelWarnings) {
2494            writeShowNotificationChannelWarningsOptions();
2495        } else if (preference == mForceHardwareUi) {
2496            writeHardwareUiOptions();
2497        } else if (preference == mForceMsaa) {
2498            writeMsaaOptions();
2499        } else if (preference == mShowHwScreenUpdates) {
2500            writeShowHwScreenUpdatesOptions();
2501        } else if (preference == mShowHwLayersUpdates) {
2502            writeShowHwLayersUpdatesOptions();
2503        } else if (preference == mDebugLayout) {
2504            writeDebugLayoutOptions();
2505        } else if (preference == mForceRtlLayout) {
2506            writeForceRtlOptions();
2507        } else if (preference == mWifiDisplayCertification) {
2508            writeWifiDisplayCertificationOptions();
2509        } else if (preference == mWifiVerboseLogging) {
2510            writeWifiVerboseLoggingOptions();
2511        } else if (preference == mWifiAggressiveHandover) {
2512            writeWifiAggressiveHandoverOptions();
2513        } else if (preference == mWifiAllowScansWithTraffic) {
2514            writeWifiAllowScansWithTrafficOptions();
2515        } else if (preference == mMobileDataAlwaysOn) {
2516            writeMobileDataAlwaysOnOptions();
2517        } else if (preference == mTetheringHardwareOffload) {
2518            writeTetheringHardwareOffloadOptions();
2519        } else if (preference == mColorTemperaturePreference) {
2520            writeColorTemperature();
2521        } else if (preference == mUSBAudio) {
2522            writeUSBAudioOptions();
2523        } else if (preference == mForceResizable) {
2524            writeForceResizableOptions();
2525        } else if (preference == mBluetoothDisableAbsVolume) {
2526            writeBluetoothDisableAbsVolumeOptions();
2527        } else if (preference == mBluetoothEnableInbandRinging) {
2528            writeBluetoothEnableInbandRingingOptions();
2529        } else if (SHORTCUT_MANAGER_RESET_KEY.equals(preference.getKey())) {
2530            resetShortcutManagerThrottling();
2531        } else {
2532            return super.onPreferenceTreeClick(preference);
2533        }
2534
2535        return false;
2536    }
2537
2538    private boolean showKeyguardConfirmation(Resources resources, int requestCode) {
2539        return new ChooseLockSettingsHelper(getActivity(), this).launchConfirmationActivity(
2540                requestCode, resources.getString(R.string.oem_unlock_enable));
2541    }
2542
2543    @Override
2544    public boolean onPreferenceChange(Preference preference, Object newValue) {
2545        if (HDCP_CHECKING_KEY.equals(preference.getKey())) {
2546            SystemProperties.set(HDCP_CHECKING_PROPERTY, newValue.toString());
2547            updateHdcpValues();
2548            pokeSystemProperties();
2549            return true;
2550        } else if (preference == mBluetoothSelectAvrcpVersion) {
2551           writeBluetoothAvrcpVersion(newValue);
2552           return true;
2553        } else if ((preference == mBluetoothSelectA2dpCodec) ||
2554                   (preference == mBluetoothSelectA2dpSampleRate) ||
2555                   (preference == mBluetoothSelectA2dpBitsPerSample) ||
2556                   (preference == mBluetoothSelectA2dpChannelMode) ||
2557                   (preference == mBluetoothSelectA2dpLdacPlaybackQuality)) {
2558            writeBluetoothConfigurationOption(preference, newValue);
2559            return true;
2560        } else if (preference == mLogdSize) {
2561            writeLogdSizeOption(newValue);
2562            return true;
2563        } else if (preference == mLogpersist) {
2564            writeLogpersistOption(newValue, false);
2565            return true;
2566        } else if (preference == mUsbConfiguration) {
2567            writeUsbConfigurationOption(newValue);
2568            return true;
2569        } else if (preference == mWindowAnimationScale) {
2570            writeAnimationScaleOption(0, mWindowAnimationScale, newValue);
2571            return true;
2572        } else if (preference == mTransitionAnimationScale) {
2573            writeAnimationScaleOption(1, mTransitionAnimationScale, newValue);
2574            return true;
2575        } else if (preference == mAnimatorDurationScale) {
2576            writeAnimationScaleOption(2, mAnimatorDurationScale, newValue);
2577            return true;
2578        } else if (preference == mOverlayDisplayDevices) {
2579            writeOverlayDisplayDevicesOptions(newValue);
2580            return true;
2581        } else if (preference == mTrackFrameTime) {
2582            writeTrackFrameTimeOptions(newValue);
2583            return true;
2584        } else if (preference == mDebugHwOverdraw) {
2585            writeDebugHwOverdrawOptions(newValue);
2586            return true;
2587        } else if (preference == mDebugHwRenderer) {
2588            writeDebugHwRendererOptions(newValue);
2589            return true;
2590        } else if (preference == mShowNonRectClip) {
2591            writeShowNonRectClipOptions(newValue);
2592            return true;
2593        } else if (preference == mAppProcessLimit) {
2594            writeAppProcessLimitOptions(newValue);
2595            return true;
2596        } else if (preference == mSimulateColorSpace) {
2597            writeSimulateColorSpace(newValue);
2598            return true;
2599        }
2600        return false;
2601    }
2602
2603    private void dismissDialogs() {
2604        if (mAdbDialog != null) {
2605            mAdbDialog.dismiss();
2606            mAdbDialog = null;
2607        }
2608        if (mAdbKeysDialog != null) {
2609            mAdbKeysDialog.dismiss();
2610            mAdbKeysDialog = null;
2611        }
2612        if (mEnableDialog != null) {
2613            mEnableDialog.dismiss();
2614            mEnableDialog = null;
2615        }
2616        if (mLogpersistClearDialog != null) {
2617            mLogpersistClearDialog.dismiss();
2618            mLogpersistClearDialog = null;
2619        }
2620    }
2621
2622    public void onClick(DialogInterface dialog, int which) {
2623        if (dialog == mAdbDialog) {
2624            if (which == DialogInterface.BUTTON_POSITIVE) {
2625                mDialogClicked = true;
2626                Settings.Global.putInt(getActivity().getContentResolver(),
2627                        Settings.Global.ADB_ENABLED, 1);
2628                mVerifyAppsOverUsbController.updatePreference();
2629                updateBugreportOptions();
2630            } else {
2631                // Reset the toggle
2632                mEnableAdb.setChecked(false);
2633            }
2634        } else if (dialog == mAdbKeysDialog) {
2635            if (which == DialogInterface.BUTTON_POSITIVE) {
2636                try {
2637                    IBinder b = ServiceManager.getService(Context.USB_SERVICE);
2638                    IUsbManager service = IUsbManager.Stub.asInterface(b);
2639                    service.clearUsbDebuggingKeys();
2640                } catch (RemoteException e) {
2641                    Log.e(TAG, "Unable to clear adb keys", e);
2642                }
2643            }
2644        } else if (dialog == mEnableDialog) {
2645            if (which == DialogInterface.BUTTON_POSITIVE) {
2646                mDialogClicked = true;
2647                mSettingsEnabler.enableDevelopmentSettings();
2648                setPrefsEnabledState(true);
2649            } else {
2650                // Reset the toggle
2651                mSwitchBar.setChecked(false);
2652            }
2653        } else if (dialog == mLogpersistClearDialog) {
2654            if (which == DialogInterface.BUTTON_POSITIVE) {
2655                setLogpersistOff(true);
2656            } else {
2657                updateLogpersistValues();
2658            }
2659        }
2660    }
2661
2662    public void onDismiss(DialogInterface dialog) {
2663        // Assuming that onClick gets called first
2664        if (dialog == mAdbDialog) {
2665            if (!mDialogClicked) {
2666                mEnableAdb.setChecked(false);
2667            }
2668            mAdbDialog = null;
2669        } else if (dialog == mEnableDialog) {
2670            if (!mDialogClicked) {
2671                mSwitchBar.setChecked(false);
2672            }
2673            mEnableDialog = null;
2674        } else if (dialog == mLogpersistClearDialog) {
2675            mLogpersistClearDialog = null;
2676        }
2677    }
2678
2679    @Override
2680    public void onDestroy() {
2681        dismissDialogs();
2682        super.onDestroy();
2683    }
2684
2685    void pokeSystemProperties() {
2686        if (!mDontPokeProperties) {
2687            //noinspection unchecked
2688            (new SystemPropPoker()).execute();
2689        }
2690    }
2691
2692    private BroadcastReceiver mUsbReceiver = new BroadcastReceiver() {
2693        @Override
2694        public void onReceive(Context context, Intent intent) {
2695            updateUsbConfigurationValues();
2696        }
2697    };
2698
2699    private BroadcastReceiver mBluetoothA2dpReceiver = new BroadcastReceiver() {
2700        @Override
2701        public void onReceive(Context context, Intent intent) {
2702            Log.d(TAG, "mBluetoothA2dpReceiver.onReceive intent=" + intent);
2703            String action = intent.getAction();
2704
2705            if (BluetoothA2dp.ACTION_CODEC_CONFIG_CHANGED.equals(action)) {
2706                BluetoothCodecStatus codecStatus =
2707                    (BluetoothCodecStatus)intent.getParcelableExtra(BluetoothCodecStatus.EXTRA_CODEC_STATUS);
2708                Log.d(TAG, "Received BluetoothCodecStatus=" + codecStatus);
2709                updateBluetoothA2dpConfigurationValues();
2710            }
2711        }
2712    };
2713
2714    private BluetoothProfile.ServiceListener mBluetoothA2dpServiceListener =
2715        new BluetoothProfile.ServiceListener() {
2716            public void onServiceConnected(int profile,
2717                                           BluetoothProfile proxy) {
2718                synchronized (mBluetoothA2dpLock) {
2719                    mBluetoothA2dp = (BluetoothA2dp) proxy;
2720                }
2721                updateBluetoothA2dpConfigurationValues();
2722            }
2723
2724            public void onServiceDisconnected(int profile) {
2725                synchronized (mBluetoothA2dpLock) {
2726                    mBluetoothA2dp = null;
2727                }
2728                updateBluetoothA2dpConfigurationValues();
2729            }
2730        };
2731
2732    public static class SystemPropPoker extends AsyncTask<Void, Void, Void> {
2733        @Override
2734        protected Void doInBackground(Void... params) {
2735            String[] services = ServiceManager.listServices();
2736            for (String service : services) {
2737                IBinder obj = ServiceManager.checkService(service);
2738                if (obj != null) {
2739                    Parcel data = Parcel.obtain();
2740                    try {
2741                        obj.transact(IBinder.SYSPROPS_TRANSACTION, data, null, 0);
2742                    } catch (RemoteException e) {
2743                    } catch (Exception e) {
2744                        Log.i(TAG, "Someone wrote a bad service '" + service
2745                                + "' that doesn't like to be poked: " + e);
2746                    }
2747                    data.recycle();
2748                }
2749            }
2750            return null;
2751        }
2752    }
2753
2754    private static boolean isPackageInstalled(Context context, String packageName) {
2755        try {
2756            return context.getPackageManager().getPackageInfo(packageName, 0) != null;
2757        } catch (NameNotFoundException e) {
2758            return false;
2759        }
2760    }
2761
2762
2763    /**
2764     * For Search.
2765     */
2766    public static final Indexable.SearchIndexProvider SEARCH_INDEX_DATA_PROVIDER =
2767            new BaseSearchIndexProvider() {
2768
2769                @Override
2770                protected boolean isPageSearchEnabled(Context context) {
2771                    return context.getSharedPreferences(DevelopmentSettings.PREF_FILE,
2772                            Context.MODE_PRIVATE).getBoolean(
2773                            DevelopmentSettings.PREF_SHOW,
2774                            android.os.Build.TYPE.equals("eng"));
2775                }
2776
2777                @Override
2778                public List<SearchIndexableResource> getXmlResourcesToIndex(
2779                        Context context, boolean enabled) {
2780
2781                    final SearchIndexableResource sir = new SearchIndexableResource(context);
2782                    sir.xmlResId = R.xml.development_prefs;
2783                    return Arrays.asList(sir);
2784                }
2785
2786                @Override
2787                public List<String> getNonIndexableKeys(Context context) {
2788                    final List<String> keys = super.getNonIndexableKeys(context);
2789
2790                    if (!showEnableOemUnlockPreference(context)) {
2791                        keys.add(ENABLE_OEM_UNLOCK);
2792                    }
2793                    return keys;
2794                }
2795            };
2796
2797    private void resetShortcutManagerThrottling() {
2798        final IShortcutService service = IShortcutService.Stub.asInterface(
2799                ServiceManager.getService(Context.SHORTCUT_SERVICE));
2800        if (service != null) {
2801            try {
2802                service.resetThrottling();
2803                Toast.makeText(getActivity(), R.string.reset_shortcut_manager_throttling_complete,
2804                        Toast.LENGTH_SHORT).show();
2805            } catch (RemoteException e) {
2806                Log.e(TAG, "Failed to reset rate limiting", e);
2807            }
2808        }
2809    }
2810
2811    private void updateOemUnlockSettingDescription() {
2812        if (mEnableOemUnlock != null) {
2813            int oemUnlockSummary = R.string.oem_unlock_enable_summary;
2814            if (isBootloaderUnlocked()) {
2815                oemUnlockSummary = R.string.oem_unlock_enable_disabled_summary_bootloader_unlocked;
2816            } else if (isSimLockedDevice()) {
2817                oemUnlockSummary = R.string.oem_unlock_enable_disabled_summary_sim_locked_device;
2818            } else if (!mOemLockManager.canUserAllowOemUnlock()) {
2819                // If the device isn't SIM-locked but OEM unlock is disallowed by some party, this
2820                // means either some other carrier restriction is in place or the device hasn't been
2821                // able to confirm which restrictions (SIM-lock or otherwise) apply.
2822                oemUnlockSummary =
2823                        R.string.oem_unlock_enable_disabled_summary_connectivity_or_locked;
2824            }
2825            mEnableOemUnlock.setSummary(getString(oemUnlockSummary));
2826        }
2827    }
2828
2829    /** Returns {@code true} if the device is SIM-locked. Otherwise, returns {@code false}. */
2830    private boolean isSimLockedDevice() {
2831        int phoneCount = mTelephonyManager.getPhoneCount();
2832        for (int i = 0; i < phoneCount; i++) {
2833            if (mTelephonyManager.getAllowedCarriers(i).size() > 0) {
2834                return true;
2835            }
2836        }
2837        return false;
2838    }
2839
2840    /**
2841     * Returns {@code true} if the bootloader has been unlocked. Otherwise, returns {code false}.
2842     */
2843    private boolean isBootloaderUnlocked() {
2844        return mOemLockManager.isDeviceOemUnlocked();
2845    }
2846
2847
2848}
2849