src/com/android/settings/DevelopmentSettings.java

   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
  17 package com.android.settings;
  18
  19 import android.Manifest;
  20 import android.app.Activity;
  21 import android.app.ActivityManagerNative;
  22 import android.app.AlertDialog;
  23 import android.app.AppOpsManager;
  24 import android.app.AppOpsManager.PackageOps;
  25 import android.app.Dialog;
  26 import android.app.UiModeManager;
  27 import android.app.admin.DevicePolicyManager;
  28 import android.app.backup.IBackupManager;
  29 import android.bluetooth.BluetoothAdapter;
  30 import android.content.BroadcastReceiver;
  31 import android.content.ComponentName;
  32 import android.content.ContentResolver;
  33 import android.content.Context;
  34 import android.content.DialogInterface;
  35 import android.content.Intent;
  36 import android.content.IntentFilter;
  37 import android.content.pm.ApplicationInfo;
  38 import android.content.pm.PackageManager;
  39 import android.content.pm.PackageManager.NameNotFoundException;
  40 import android.content.pm.ResolveInfo;
  41 import android.content.res.Resources;
  42 import android.hardware.usb.IUsbManager;
  43 import android.hardware.usb.UsbManager;
  44 import android.net.wifi.WifiManager;
  45 import android.os.AsyncTask;
  46 import android.os.BatteryManager;
  47 import android.os.Build;
  48 import android.os.Bundle;
  49 import android.os.IBinder;
  50 import android.os.Parcel;
  51 import android.os.RemoteException;
  52 import android.os.ServiceManager;
  53 import android.os.StrictMode;
  54 import android.os.SystemProperties;
  55 import android.os.UserHandle;
  56 import android.os.UserManager;
  57 import android.preference.ListPreference;
  58 import android.preference.Preference;
  59 import android.preference.Preference.OnPreferenceChangeListener;
  60 import android.preference.PreferenceGroup;
  61 import android.preference.PreferenceScreen;
  62 import android.preference.SwitchPreference;
  63 import android.provider.SearchIndexableResource;
  64 import android.provider.Settings;
  65 import android.text.TextUtils;
  66 import android.util.Log;
  67 import android.view.HardwareRenderer;
  68 import android.view.IWindowManager;
  69 import android.view.LayoutInflater;
  70 import android.view.View;
  71 import android.view.ViewGroup;
  72 import android.view.accessibility.AccessibilityManager;
  73 import android.widget.Switch;
  74 import android.widget.TextView;
  75
  76 import com.android.internal.logging.MetricsLogger;
  77 import com.android.settings.fuelgauge.InactiveApps;
  78 import com.android.settings.search.BaseSearchIndexProvider;
  79 import com.android.settings.search.Indexable;
  80 import com.android.settings.widget.SwitchBar;
  81
  82 import java.util.ArrayList;
  83 import java.util.Arrays;
  84 import java.util.HashSet;
  85 import java.util.List;
  86
  87 /*
  88  * Displays preferences for application developers.
  89  */
  90 public class DevelopmentSettings extends SettingsPreferenceFragment
  91         implements DialogInterface.OnClickListener, DialogInterface.OnDismissListener,
  92                 OnPreferenceChangeListener, SwitchBar.OnSwitchChangeListener, Indexable {
  93     private static final String TAG = "DevelopmentSettings";
  94
  95     /**
  96      * Preference file were development settings prefs are stored.
  97      */
  98     public static final String PREF_FILE = "development";
  99
 100     /**
 101      * Whether to show the development settings to the user.  Default is false.
 102      */
 103     public static final String PREF_SHOW = "show";
 104
 105     private static final ComponentName SYSUI_TUNER = new ComponentName("com.android.systemui",
 106             "com.android.systemui.tuner.TunerActivity");
 107
 108     private static final String ENABLE_ADB = "enable_adb";
 109     private static final String CLEAR_ADB_KEYS = "clear_adb_keys";
 110     private static final String ENABLE_TERMINAL = "enable_terminal";
 111     private static final String KEEP_SCREEN_ON = "keep_screen_on";
 112     private static final String BT_HCI_SNOOP_LOG = "bt_hci_snoop_log";
 113     private static final String ENABLE_OEM_UNLOCK = "oem_unlock_enable";
 114     private static final String HDCP_CHECKING_KEY = "hdcp_checking";
 115     private static final String HDCP_CHECKING_PROPERTY = "persist.sys.hdcp_checking";
 116     private static final String LOCAL_BACKUP_PASSWORD = "local_backup_password";
 117     private static final String HARDWARE_UI_PROPERTY = "persist.sys.ui.hw";
 118     private static final String MSAA_PROPERTY = "debug.egl.force_msaa";
 119     private static final String BUGREPORT = "bugreport";
 120     private static final String BUGREPORT_IN_POWER_KEY = "bugreport_in_power";
 121     private static final String OPENGL_TRACES_PROPERTY = "debug.egl.trace";
 122     private static final String TUNER_UI_KEY = "tuner_ui";
 123
 124     private static final String DEBUG_APP_KEY = "debug_app";
 125     private static final String WAIT_FOR_DEBUGGER_KEY = "wait_for_debugger";
 126     private static final String MOCK_LOCATION_APP_KEY = "mock_location_app";
 127     private static final String VERIFY_APPS_OVER_USB_KEY = "verify_apps_over_usb";
 128     private static final String DEBUG_VIEW_ATTRIBUTES =  "debug_view_attributes";
 129     private static final String STRICT_MODE_KEY = "strict_mode";
 130     private static final String POINTER_LOCATION_KEY = "pointer_location";
 131     private static final String SHOW_TOUCHES_KEY = "show_touches";
 132     private static final String SHOW_SCREEN_UPDATES_KEY = "show_screen_updates";
 133     private static final String DISABLE_OVERLAYS_KEY = "disable_overlays";
 134     private static final String SIMULATE_COLOR_SPACE = "simulate_color_space";
 135     private static final String USE_AWESOMEPLAYER_KEY = "use_awesomeplayer";
 136     private static final String USB_AUDIO_KEY = "usb_audio";
 137     private static final String USE_AWESOMEPLAYER_PROPERTY = "persist.sys.media.use-awesome";
 138     private static final String SHOW_CPU_USAGE_KEY = "show_cpu_usage";
 139     private static final String FORCE_HARDWARE_UI_KEY = "force_hw_ui";
 140     private static final String FORCE_MSAA_KEY = "force_msaa";
 141     private static final String TRACK_FRAME_TIME_KEY = "track_frame_time";
 142     private static final String SHOW_NON_RECTANGULAR_CLIP_KEY = "show_non_rect_clip";
 143     private static final String SHOW_HW_SCREEN_UPDATES_KEY = "show_hw_screen_udpates";
 144     private static final String SHOW_HW_LAYERS_UPDATES_KEY = "show_hw_layers_udpates";
 145     private static final String DEBUG_HW_OVERDRAW_KEY = "debug_hw_overdraw";
 146     private static final String DEBUG_LAYOUT_KEY = "debug_layout";
 147     private static final String FORCE_RTL_LAYOUT_KEY = "force_rtl_layout_all_locales";
 148     private static final String WINDOW_ANIMATION_SCALE_KEY = "window_animation_scale";
 149     private static final String TRANSITION_ANIMATION_SCALE_KEY = "transition_animation_scale";
 150     private static final String ANIMATOR_DURATION_SCALE_KEY = "animator_duration_scale";
 151     private static final String OVERLAY_DISPLAY_DEVICES_KEY = "overlay_display_devices";
 152     private static final String ENABLE_MULTI_WINDOW_KEY = "enable_multi_window";
 153     private static final String DEBUG_DEBUGGING_CATEGORY_KEY = "debug_debugging_category";
 154     private static final String DEBUG_APPLICATIONS_CATEGORY_KEY = "debug_applications_category";
 155     private static final String SELECT_LOGD_SIZE_KEY = "select_logd_size";
 156     private static final String SELECT_LOGD_SIZE_PROPERTY = "persist.logd.size";
 157     private static final String SELECT_LOGD_DEFAULT_SIZE_PROPERTY = "ro.logd.size";
 158
 159     private static final String DEBUG_NETWORKING_CATEGORY_KEY = "debug_networking_category";
 160     private static final String WIFI_DISPLAY_CERTIFICATION_KEY = "wifi_display_certification";
 161     private static final String WIFI_VERBOSE_LOGGING_KEY = "wifi_verbose_logging";
 162     private static final String WIFI_AGGRESSIVE_HANDOVER_KEY = "wifi_aggressive_handover";
 163     private static final String WIFI_ALLOW_SCAN_WITH_TRAFFIC_KEY = "wifi_allow_scan_with_traffic";
 164     private static final String USB_CONFIGURATION_KEY = "select_usb_configuration";
 165     private static final String SELECT_USB_CONFIGURATION_PROPERTY = "sys.usb.config";
 166     private static final String WIFI_LEGACY_DHCP_CLIENT_KEY = "legacy_dhcp_client";
 167     private static final String MOBILE_DATA_ALWAYS_ON = "mobile_data_always_on";
 168
 169     private static final String INACTIVE_APPS_KEY = "inactive_apps";
 170
 171     private static final String OPENGL_TRACES_KEY = "enable_opengl_traces";
 172
 173     private static final String IMMEDIATELY_DESTROY_ACTIVITIES_KEY
 174             = "immediately_destroy_activities";
 175     private static final String APP_PROCESS_LIMIT_KEY = "app_process_limit";
 176
 177     private static final String SHOW_ALL_ANRS_KEY = "show_all_anrs";
 178
 179     private static final String PACKAGE_MIME_TYPE = "application/vnd.android.package-archive";
 180
 181     private static final String TERMINAL_APP_PACKAGE = "com.android.terminal";
 182
 183     private static final String KEY_NIGHT_MODE = "night_mode";
 184
 185     private static final int RESULT_DEBUG_APP = 1000;
 186     private static final int RESULT_MOCK_LOCATION_APP = 1001;
 187
 188     private static final String PERSISTENT_DATA_BLOCK_PROP = "ro.frp.pst";
 189
 190     private static final int REQUEST_CODE_ENABLE_OEM_UNLOCK = 0;
 191
 192     private static String DEFAULT_LOG_RING_BUFFER_SIZE_IN_BYTES = "262144"; // 256K
 193
 194     private static final int[] MOCK_LOCATION_APP_OPS = new int[] {AppOpsManager.OP_MOCK_LOCATION};
 195
 196     private static final String MULTI_WINDOW_SYSTEM_PROPERTY = "persist.sys.debug.multi_window";
 197     private IWindowManager mWindowManager;
 198     private IBackupManager mBackupManager;
 199     private DevicePolicyManager mDpm;
 200     private UserManager mUm;
 201     private WifiManager mWifiManager;
 202
 203     private SwitchBar mSwitchBar;
 204     private boolean mLastEnabledState;
 205     private boolean mHaveDebugSettings;
 206     private boolean mDontPokeProperties;
 207
 208     private SwitchPreference mEnableAdb;
 209     private Preference mClearAdbKeys;
 210     private SwitchPreference mEnableTerminal;
 211     private Preference mBugreport;
 212     private SwitchPreference mBugreportInPower;
 213     private SwitchPreference mKeepScreenOn;
 214     private SwitchPreference mBtHciSnoopLog;
 215     private SwitchPreference mEnableOemUnlock;
 216     private SwitchPreference mDebugViewAttributes;
 217
 218     private PreferenceScreen mPassword;
 219     private String mDebugApp;
 220     private Preference mDebugAppPref;
 221
 222     private String mMockLocationApp;
 223     private Preference mMockLocationAppPref;
 224
 225     private SwitchPreference mWaitForDebugger;
 226     private SwitchPreference mVerifyAppsOverUsb;
 227     private SwitchPreference mWifiDisplayCertification;
 228     private SwitchPreference mWifiVerboseLogging;
 229     private SwitchPreference mWifiAggressiveHandover;
 230     private SwitchPreference mLegacyDhcpClient;
 231     private SwitchPreference mMobileDataAlwaysOn;
 232
 233     private SwitchPreference mWifiAllowScansWithTraffic;
 234     private SwitchPreference mStrictMode;
 235     private SwitchPreference mPointerLocation;
 236     private SwitchPreference mShowTouches;
 237     private SwitchPreference mShowScreenUpdates;
 238     private SwitchPreference mDisableOverlays;
 239     private SwitchPreference mEnableMultiWindow;
 240     private SwitchPreference mShowCpuUsage;
 241     private SwitchPreference mForceHardwareUi;
 242     private SwitchPreference mForceMsaa;
 243     private SwitchPreference mShowHwScreenUpdates;
 244     private SwitchPreference mShowHwLayersUpdates;
 245     private SwitchPreference mDebugLayout;
 246     private SwitchPreference mForceRtlLayout;
 247     private ListPreference mDebugHwOverdraw;
 248     private ListPreference mLogdSize;
 249     private ListPreference mUsbConfiguration;
 250     private ListPreference mTrackFrameTime;
 251     private ListPreference mShowNonRectClip;
 252     private ListPreference mWindowAnimationScale;
 253     private ListPreference mTransitionAnimationScale;
 254     private ListPreference mAnimatorDurationScale;
 255     private ListPreference mOverlayDisplayDevices;
 256     private ListPreference mOpenGLTraces;
 257
 258     private ListPreference mSimulateColorSpace;
 259
 260     private SwitchPreference mUseAwesomePlayer;
 261     private SwitchPreference mUSBAudio;
 262     private SwitchPreference mImmediatelyDestroyActivities;
 263
 264     private ListPreference mAppProcessLimit;
 265
 266     private SwitchPreference mShowAllANRs;
 267
 268     private DropDownPreference mNightModePreference;
 269
 270     private final ArrayList<Preference> mAllPrefs = new ArrayList<Preference>();
 271
 272     private final ArrayList<SwitchPreference> mResetSwitchPrefs
 273             = new ArrayList<SwitchPreference>();
 274
 275     private final HashSet<Preference> mDisabledPrefs = new HashSet<Preference>();
 276     // To track whether a confirmation dialog was clicked.
 277     private boolean mDialogClicked;
 278     private Dialog mEnableDialog;
 279     private Dialog mAdbDialog;
 280
 281     private Dialog mAdbKeysDialog;
 282     private boolean mUnavailable;
 283
 284     private SwitchPreference mTunerUiPref;
 285
 286     @Override
 287     protected int getMetricsCategory() {
 288         return MetricsLogger.DEVELOPMENT;
 289     }
 290
 291     @Override
 292     public void onCreate(Bundle icicle) {
 293         super.onCreate(icicle);
 294
 295         mWindowManager = IWindowManager.Stub.asInterface(ServiceManager.getService("window"));
 296         mBackupManager = IBackupManager.Stub.asInterface(
 297                 ServiceManager.getService(Context.BACKUP_SERVICE));
 298         mDpm = (DevicePolicyManager)getActivity().getSystemService(Context.DEVICE_POLICY_SERVICE);
 299         mUm = (UserManager) getSystemService(Context.USER_SERVICE);
 300
 301         mWifiManager = (WifiManager) getSystemService(Context.WIFI_SERVICE);
 302
 303         if (android.os.Process.myUserHandle().getIdentifier() != UserHandle.USER_OWNER
 304                 || mUm.hasUserRestriction(UserManager.DISALLOW_DEBUGGING_FEATURES)) {
 305             mUnavailable = true;
 306             setPreferenceScreen(new PreferenceScreen(getActivity(), null));
 307             return;
 308         }
 309
 310         addPreferencesFromResource(R.xml.development_prefs);
 311
 312         final PreferenceGroup debugDebuggingCategory = (PreferenceGroup)
 313                 findPreference(DEBUG_DEBUGGING_CATEGORY_KEY);
 314         mEnableAdb = findAndInitSwitchPref(ENABLE_ADB);
 315         mClearAdbKeys = findPreference(CLEAR_ADB_KEYS);
 316         if (!SystemProperties.getBoolean("ro.adb.secure", false)) {
 317             if (debugDebuggingCategory != null) {
 318                 debugDebuggingCategory.removePreference(mClearAdbKeys);
 319             }
 320         }
 321         mAllPrefs.add(mClearAdbKeys);
 322         mEnableTerminal = findAndInitSwitchPref(ENABLE_TERMINAL);
 323         if (!isPackageInstalled(getActivity(), TERMINAL_APP_PACKAGE)) {
 324             debugDebuggingCategory.removePreference(mEnableTerminal);
 325             mEnableTerminal = null;
 326         }
 327
 328         mBugreport = findPreference(BUGREPORT);
 329         mBugreportInPower = findAndInitSwitchPref(BUGREPORT_IN_POWER_KEY);
 330         mKeepScreenOn = findAndInitSwitchPref(KEEP_SCREEN_ON);
 331         mBtHciSnoopLog = findAndInitSwitchPref(BT_HCI_SNOOP_LOG);
 332         mEnableOemUnlock = findAndInitSwitchPref(ENABLE_OEM_UNLOCK);
 333         if (!showEnableOemUnlockPreference()) {
 334             removePreference(mEnableOemUnlock);
 335             mEnableOemUnlock = null;
 336         }
 337
 338         mDebugViewAttributes = findAndInitSwitchPref(DEBUG_VIEW_ATTRIBUTES);
 339         mPassword = (PreferenceScreen) findPreference(LOCAL_BACKUP_PASSWORD);
 340         mAllPrefs.add(mPassword);
 341
 342
 343         if (!android.os.Process.myUserHandle().equals(UserHandle.OWNER)) {
 344             disableForUser(mEnableAdb);
 345             disableForUser(mClearAdbKeys);
 346             disableForUser(mEnableTerminal);
 347             disableForUser(mPassword);
 348         }
 349
 350         mDebugAppPref = findPreference(DEBUG_APP_KEY);
 351         mAllPrefs.add(mDebugAppPref);
 352         mWaitForDebugger = findAndInitSwitchPref(WAIT_FOR_DEBUGGER_KEY);
 353
 354         mMockLocationAppPref = findPreference(MOCK_LOCATION_APP_KEY);
 355         mAllPrefs.add(mMockLocationAppPref);
 356
 357         mVerifyAppsOverUsb = findAndInitSwitchPref(VERIFY_APPS_OVER_USB_KEY);
 358         if (!showVerifierSetting()) {
 359             if (debugDebuggingCategory != null) {
 360                 debugDebuggingCategory.removePreference(mVerifyAppsOverUsb);
 361             } else {
 362                 mVerifyAppsOverUsb.setEnabled(false);
 363             }
 364         }
 365         mStrictMode = findAndInitSwitchPref(STRICT_MODE_KEY);
 366         mPointerLocation = findAndInitSwitchPref(POINTER_LOCATION_KEY);
 367         mShowTouches = findAndInitSwitchPref(SHOW_TOUCHES_KEY);
 368         mShowScreenUpdates = findAndInitSwitchPref(SHOW_SCREEN_UPDATES_KEY);
 369         mDisableOverlays = findAndInitSwitchPref(DISABLE_OVERLAYS_KEY);
 370         mShowCpuUsage = findAndInitSwitchPref(SHOW_CPU_USAGE_KEY);
 371         mForceHardwareUi = findAndInitSwitchPref(FORCE_HARDWARE_UI_KEY);
 372         mForceMsaa = findAndInitSwitchPref(FORCE_MSAA_KEY);
 373         mTrackFrameTime = addListPreference(TRACK_FRAME_TIME_KEY);
 374         mShowNonRectClip = addListPreference(SHOW_NON_RECTANGULAR_CLIP_KEY);
 375         mShowHwScreenUpdates = findAndInitSwitchPref(SHOW_HW_SCREEN_UPDATES_KEY);
 376         mShowHwLayersUpdates = findAndInitSwitchPref(SHOW_HW_LAYERS_UPDATES_KEY);
 377         mDebugLayout = findAndInitSwitchPref(DEBUG_LAYOUT_KEY);
 378         mForceRtlLayout = findAndInitSwitchPref(FORCE_RTL_LAYOUT_KEY);
 379         mDebugHwOverdraw = addListPreference(DEBUG_HW_OVERDRAW_KEY);
 380         mWifiDisplayCertification = findAndInitSwitchPref(WIFI_DISPLAY_CERTIFICATION_KEY);
 381         mWifiVerboseLogging = findAndInitSwitchPref(WIFI_VERBOSE_LOGGING_KEY);
 382         mWifiAggressiveHandover = findAndInitSwitchPref(WIFI_AGGRESSIVE_HANDOVER_KEY);
 383         mWifiAllowScansWithTraffic = findAndInitSwitchPref(WIFI_ALLOW_SCAN_WITH_TRAFFIC_KEY);
 384         mLegacyDhcpClient = findAndInitSwitchPref(WIFI_LEGACY_DHCP_CLIENT_KEY);
 385         mMobileDataAlwaysOn = findAndInitSwitchPref(MOBILE_DATA_ALWAYS_ON);
 386         mLogdSize = addListPreference(SELECT_LOGD_SIZE_KEY);
 387         mUsbConfiguration = addListPreference(USB_CONFIGURATION_KEY);
 388
 389         mWindowAnimationScale = addListPreference(WINDOW_ANIMATION_SCALE_KEY);
 390         mTransitionAnimationScale = addListPreference(TRANSITION_ANIMATION_SCALE_KEY);
 391         mAnimatorDurationScale = addListPreference(ANIMATOR_DURATION_SCALE_KEY);
 392         mOverlayDisplayDevices = addListPreference(OVERLAY_DISPLAY_DEVICES_KEY);
 393         mEnableMultiWindow = findAndInitSwitchPref(ENABLE_MULTI_WINDOW_KEY);
 394         if (!showEnableMultiWindowPreference()) {
 395             final PreferenceGroup drawingGroup =
 396                     (PreferenceGroup)findPreference("debug_drawing_category");
 397             if (drawingGroup != null) {
 398                 drawingGroup.removePreference(mEnableMultiWindow);
 399             } else {
 400                 mEnableMultiWindow.setEnabled(false);
 401             }
 402             removePreference(mEnableMultiWindow);
 403             mEnableMultiWindow = null;
 404         }
 405         mOpenGLTraces = addListPreference(OPENGL_TRACES_KEY);
 406         mSimulateColorSpace = addListPreference(SIMULATE_COLOR_SPACE);
 407         mUseAwesomePlayer = findAndInitSwitchPref(USE_AWESOMEPLAYER_KEY);
 408         mUSBAudio = findAndInitSwitchPref(USB_AUDIO_KEY);
 409
 410         mImmediatelyDestroyActivities = (SwitchPreference) findPreference(
 411                 IMMEDIATELY_DESTROY_ACTIVITIES_KEY);
 412         mAllPrefs.add(mImmediatelyDestroyActivities);
 413         mResetSwitchPrefs.add(mImmediatelyDestroyActivities);
 414
 415         mAppProcessLimit = addListPreference(APP_PROCESS_LIMIT_KEY);
 416
 417         mShowAllANRs = (SwitchPreference) findPreference(
 418                 SHOW_ALL_ANRS_KEY);
 419         mAllPrefs.add(mShowAllANRs);
 420         mResetSwitchPrefs.add(mShowAllANRs);
 421
 422         mTunerUiPref = findAndInitSwitchPref(TUNER_UI_KEY);
 423
 424         Preference hdcpChecking = findPreference(HDCP_CHECKING_KEY);
 425         if (hdcpChecking != null) {
 426             mAllPrefs.add(hdcpChecking);
 427             removePreferenceForProduction(hdcpChecking);
 428         }
 429
 430         mNightModePreference = (DropDownPreference) findPreference(KEY_NIGHT_MODE);
 431         final UiModeManager uiManager = (UiModeManager) getSystemService(
 432                 Context.UI_MODE_SERVICE);
 433         final int currentNightMode = uiManager.getNightMode();
 434         mNightModePreference.setSelectedValue(String.valueOf(currentNightMode));
 435         mNightModePreference.setCallback(new DropDownPreference.Callback() {
 436             @Override
 437             public boolean onItemSelected(int pos, Object newValue) {
 438                 try {
 439                     final int value = Integer.parseInt((String) newValue);
 440                     final UiModeManager uiManager = (UiModeManager) getSystemService(
 441                             Context.UI_MODE_SERVICE);
 442                     uiManager.setNightMode(value);
 443                     return true;
 444                 } catch (NumberFormatException e) {
 445                     Log.e(TAG, "could not persist night mode setting", e);
 446                     return false;
 447                 }
 448             }
 449         });
 450     }
 451
 452     private ListPreference addListPreference(String prefKey) {
 453         ListPreference pref = (ListPreference) findPreference(prefKey);
 454         mAllPrefs.add(pref);
 455         pref.setOnPreferenceChangeListener(this);
 456         return pref;
 457     }
 458
 459     private void disableForUser(Preference pref) {
 460         if (pref != null) {
 461             pref.setEnabled(false);
 462             mDisabledPrefs.add(pref);
 463         }
 464     }
 465
 466     private SwitchPreference findAndInitSwitchPref(String key) {
 467         SwitchPreference pref = (SwitchPreference) findPreference(key);
 468         if (pref == null) {
 469             throw new IllegalArgumentException("Cannot find preference with key = " + key);
 470         }
 471         mAllPrefs.add(pref);
 472         mResetSwitchPrefs.add(pref);
 473         return pref;
 474     }
 475
 476     @Override
 477     public void onActivityCreated(Bundle savedInstanceState) {
 478         super.onActivityCreated(savedInstanceState);
 479
 480         final SettingsActivity activity = (SettingsActivity) getActivity();
 481
 482         mSwitchBar = activity.getSwitchBar();
 483        if (mUnavailable) {
 484             mSwitchBar.setEnabled(false);
 485             return;
 486         }
 487
 488         mSwitchBar.addOnSwitchChangeListener(this);
 489     }
 490
 491     private boolean removePreferenceForProduction(Preference preference) {
 492         if ("user".equals(Build.TYPE)) {
 493             removePreference(preference);
 494             return true;
 495         }
 496         return false;
 497     }
 498
 499     private void removePreference(Preference preference) {
 500         getPreferenceScreen().removePreference(preference);
 501         mAllPrefs.remove(preference);
 502         mResetSwitchPrefs.remove(preference);
 503     }
 504
 505     private void setPrefsEnabledState(boolean enabled) {
 506         for (int i = 0; i < mAllPrefs.size(); i++) {
 507             Preference pref = mAllPrefs.get(i);
 508             pref.setEnabled(enabled && !mDisabledPrefs.contains(pref));
 509         }
 510         updateAllOptions();
 511     }
 512
 513     @Override
 514     public void onResume() {
 515         super.onResume();
 516
 517         if (mUnavailable) {
 518             // Show error message
 519             TextView emptyView = (TextView) getView().findViewById(android.R.id.empty);
 520             getListView().setEmptyView(emptyView);
 521             if (emptyView != null) {
 522                 emptyView.setText(R.string.development_settings_not_available);
 523             }
 524             return;
 525         }
 526
 527         if (mDpm.getMaximumTimeToLock(null) > 0) {
 528             // A DeviceAdmin has specified a maximum time until the device
 529             // will lock...  in this case we can't allow the user to turn
 530             // on "stay awake when plugged in" because that would defeat the
 531             // restriction.
 532             mDisabledPrefs.add(mKeepScreenOn);
 533         } else {
 534             mDisabledPrefs.remove(mKeepScreenOn);
 535         }
 536
 537         final ContentResolver cr = getActivity().getContentResolver();
 538         mLastEnabledState = Settings.Global.getInt(cr,
 539                 Settings.Global.DEVELOPMENT_SETTINGS_ENABLED, 0) != 0;
 540         mSwitchBar.setChecked(mLastEnabledState);
 541         setPrefsEnabledState(mLastEnabledState);
 542
 543         if (mHaveDebugSettings && !mLastEnabledState) {
 544             // Overall debugging is disabled, but there are some debug
 545             // settings that are enabled.  This is an invalid state.  Switch
 546             // to debug settings being enabled, so the user knows there is
 547             // stuff enabled and can turn it all off if they want.
 548             Settings.Global.putInt(getActivity().getContentResolver(),
 549                     Settings.Global.DEVELOPMENT_SETTINGS_ENABLED, 1);
 550             mLastEnabledState = true;
 551             mSwitchBar.setChecked(mLastEnabledState);
 552             setPrefsEnabledState(mLastEnabledState);
 553         }
 554         mSwitchBar.show();
 555     }
 556
 557     @Override
 558     public View onCreateView(LayoutInflater inflater, ViewGroup container,
 559             Bundle savedInstanceState) {
 560         IntentFilter filter = new IntentFilter();
 561         filter.addAction(UsbManager.ACTION_USB_STATE);
 562         getActivity().registerReceiver(mUsbReceiver, filter);
 563         return super.onCreateView(inflater, container, savedInstanceState);
 564     }
 565
 566     @Override
 567     public void onDestroyView() {
 568         super.onDestroyView();
 569
 570         if (mUnavailable) {
 571             return;
 572         }
 573         mSwitchBar.removeOnSwitchChangeListener(this);
 574         mSwitchBar.hide();
 575         getActivity().unregisterReceiver(mUsbReceiver);
 576     }
 577
 578     void updateSwitchPreference(SwitchPreference switchPreference, boolean value) {
 579         switchPreference.setChecked(value);
 580         mHaveDebugSettings |= value;
 581     }
 582
 583     private void updateAllOptions() {
 584         final Context context = getActivity();
 585         final ContentResolver cr = context.getContentResolver();
 586         mHaveDebugSettings = false;
 587         updateSwitchPreference(mEnableAdb, Settings.Global.getInt(cr,
 588                 Settings.Global.ADB_ENABLED, 0) != 0);
 589         if (mEnableTerminal != null) {
 590             updateSwitchPreference(mEnableTerminal,
 591                     context.getPackageManager().getApplicationEnabledSetting(TERMINAL_APP_PACKAGE)
 592                             == PackageManager.COMPONENT_ENABLED_STATE_ENABLED);
 593         }
 594         updateSwitchPreference(mBugreportInPower, Settings.Secure.getInt(cr,
 595                 Settings.Secure.BUGREPORT_IN_POWER_MENU, 0) != 0);
 596         updateSwitchPreference(mKeepScreenOn, Settings.Global.getInt(cr,
 597                 Settings.Global.STAY_ON_WHILE_PLUGGED_IN, 0) != 0);
 598         updateSwitchPreference(mBtHciSnoopLog, Settings.Secure.getInt(cr,
 599                 Settings.Secure.BLUETOOTH_HCI_LOG, 0) != 0);
 600         if (mEnableOemUnlock != null) {
 601             updateSwitchPreference(mEnableOemUnlock, Utils.isOemUnlockEnabled(getActivity()));
 602         }
 603         updateSwitchPreference(mDebugViewAttributes, Settings.Global.getInt(cr,
 604                 Settings.Global.DEBUG_VIEW_ATTRIBUTES, 0) != 0);
 605         updateHdcpValues();
 606         updatePasswordSummary();
 607         updateDebuggerOptions();
 608         updateMockLocation();
 609         updateStrictModeVisualOptions();
 610         updatePointerLocationOptions();
 611         updateShowTouchesOptions();
 612         updateFlingerOptions();
 613         updateCpuUsageOptions();
 614         updateHardwareUiOptions();
 615         updateMsaaOptions();
 616         updateTrackFrameTimeOptions();
 617         updateShowNonRectClipOptions();
 618         updateShowHwScreenUpdatesOptions();
 619         updateShowHwLayersUpdatesOptions();
 620         updateDebugHwOverdrawOptions();
 621         updateDebugLayoutOptions();
 622         updateAnimationScaleOptions();
 623         updateOverlayDisplayDevicesOptions();
 624         if (mEnableMultiWindow != null) {
 625             updateSwitchPreference(mEnableMultiWindow,
 626                     SystemProperties.getBoolean(MULTI_WINDOW_SYSTEM_PROPERTY, false));
 627         }
 628         updateOpenGLTracesOptions();
 629         updateImmediatelyDestroyActivitiesOptions();
 630         updateAppProcessLimitOptions();
 631         updateShowAllANRsOptions();
 632         updateVerifyAppsOverUsbOptions();
 633         updateBugreportOptions();
 634         updateForceRtlOptions();
 635         updateLogdSizeValues();
 636         updateWifiDisplayCertificationOptions();
 637         updateWifiVerboseLoggingOptions();
 638         updateWifiAggressiveHandoverOptions();
 639         updateWifiAllowScansWithTrafficOptions();
 640         updateLegacyDhcpClientOptions();
 641         updateMobileDataAlwaysOnOptions();
 642         updateSimulateColorSpace();
 643         updateUseNuplayerOptions();
 644         updateUSBAudioOptions();
 645         updateTweakUi();
 646     }
 647
 648     private void resetDangerousOptions() {
 649         mDontPokeProperties = true;
 650         for (int i=0; i< mResetSwitchPrefs.size(); i++) {
 651             SwitchPreference cb = mResetSwitchPrefs.get(i);
 652             if (cb.isChecked()) {
 653                 cb.setChecked(false);
 654                 onPreferenceTreeClick(null, cb);
 655             }
 656         }
 657         resetDebuggerOptions();
 658         writeLogdSizeOption(null);
 659         writeAnimationScaleOption(0, mWindowAnimationScale, null);
 660         writeAnimationScaleOption(1, mTransitionAnimationScale, null);
 661         writeAnimationScaleOption(2, mAnimatorDurationScale, null);
 662         // Only poke the color space setting if we control it.
 663         if (usingDevelopmentColorSpace()) {
 664             writeSimulateColorSpace(-1);
 665         }
 666         writeOverlayDisplayDevicesOptions(null);
 667         writeAppProcessLimitOptions(null);
 668         mHaveDebugSettings = false;
 669         updateAllOptions();
 670         mDontPokeProperties = false;
 671         pokeSystemProperties();
 672     }
 673
 674     private void updateHdcpValues() {
 675         ListPreference hdcpChecking = (ListPreference) findPreference(HDCP_CHECKING_KEY);
 676         if (hdcpChecking != null) {
 677             String currentValue = SystemProperties.get(HDCP_CHECKING_PROPERTY);
 678             String[] values = getResources().getStringArray(R.array.hdcp_checking_values);
 679             String[] summaries = getResources().getStringArray(R.array.hdcp_checking_summaries);
 680             int index = 1; // Defaults to drm-only. Needs to match with R.array.hdcp_checking_values
 681             for (int i = 0; i < values.length; i++) {
 682                 if (currentValue.equals(values[i])) {
 683                     index = i;
 684                     break;
 685                 }
 686             }
 687             hdcpChecking.setValue(values[index]);
 688             hdcpChecking.setSummary(summaries[index]);
 689             hdcpChecking.setOnPreferenceChangeListener(this);
 690         }
 691     }
 692
 693     private void updatePasswordSummary() {
 694         try {
 695             if (mBackupManager.hasBackupPassword()) {
 696                 mPassword.setSummary(R.string.local_backup_password_summary_change);
 697             } else {
 698                 mPassword.setSummary(R.string.local_backup_password_summary_none);
 699             }
 700         } catch (RemoteException e) {
 701             // Not much we can do here
 702         }
 703     }
 704
 705     private void writeBtHciSnoopLogOptions() {
 706         BluetoothAdapter adapter = BluetoothAdapter.getDefaultAdapter();
 707         adapter.configHciSnoopLog(mBtHciSnoopLog.isChecked());
 708         Settings.Secure.putInt(getActivity().getContentResolver(),
 709                 Settings.Secure.BLUETOOTH_HCI_LOG,
 710                 mBtHciSnoopLog.isChecked() ? 1 : 0);
 711     }
 712
 713     private void writeDebuggerOptions() {
 714         try {
 715             ActivityManagerNative.getDefault().setDebugApp(
 716                 mDebugApp, mWaitForDebugger.isChecked(), true);
 717         } catch (RemoteException ex) {
 718         }
 719     }
 720
 721     private void writeMockLocation() {
 722         AppOpsManager appOpsManager = (AppOpsManager) getSystemService(Context.APP_OPS_SERVICE);
 723
 724         // Disable the app op of the previous mock location app if such.
 725         List<PackageOps> packageOps = appOpsManager.getPackagesForOps(MOCK_LOCATION_APP_OPS);
 726         if (packageOps != null) {
 727             // Should be one but in case we are in a bad state due to use of command line tools.
 728             for (PackageOps packageOp : packageOps) {
 729                 if (packageOp.getOps().get(0).getMode() != AppOpsManager.MODE_ERRORED) {
 730                     String oldMockLocationApp = packageOp.getPackageName();
 731                     try {
 732                         ApplicationInfo ai = getActivity().getPackageManager().getApplicationInfo(
 733                                 oldMockLocationApp, PackageManager.GET_DISABLED_COMPONENTS);
 734                         appOpsManager.setMode(AppOpsManager.OP_MOCK_LOCATION, ai.uid,
 735                                 oldMockLocationApp, AppOpsManager.MODE_ERRORED);
 736                     } catch (NameNotFoundException e) {
 737                         /* ignore */
 738                     }
 739                 }
 740             }
 741         }
 742
 743         // Enable the app op of the new mock location app if such.
 744         if (!TextUtils.isEmpty(mMockLocationApp)) {
 745             try {
 746                 ApplicationInfo ai = getActivity().getPackageManager().getApplicationInfo(
 747                         mMockLocationApp, PackageManager.GET_DISABLED_COMPONENTS);
 748                 appOpsManager.setMode(AppOpsManager.OP_MOCK_LOCATION, ai.uid,
 749                         mMockLocationApp, AppOpsManager.MODE_ALLOWED);
 750             } catch (NameNotFoundException e) {
 751                 /* ignore */
 752             }
 753         }
 754     }
 755
 756     private static void resetDebuggerOptions() {
 757         try {
 758             ActivityManagerNative.getDefault().setDebugApp(
 759                     null, false, true);
 760         } catch (RemoteException ex) {
 761         }
 762     }
 763
 764     private void updateDebuggerOptions() {
 765         mDebugApp = Settings.Global.getString(
 766                 getActivity().getContentResolver(), Settings.Global.DEBUG_APP);
 767         updateSwitchPreference(mWaitForDebugger, Settings.Global.getInt(
 768                 getActivity().getContentResolver(), Settings.Global.WAIT_FOR_DEBUGGER, 0) != 0);
 769         if (mDebugApp != null && mDebugApp.length() > 0) {
 770             String label;
 771             try {
 772                 ApplicationInfo ai = getActivity().getPackageManager().getApplicationInfo(mDebugApp,
 773                         PackageManager.GET_DISABLED_COMPONENTS);
 774                 CharSequence lab = getActivity().getPackageManager().getApplicationLabel(ai);
 775                 label = lab != null ? lab.toString() : mDebugApp;
 776             } catch (PackageManager.NameNotFoundException e) {
 777                 label = mDebugApp;
 778             }
 779             mDebugAppPref.setSummary(getResources().getString(R.string.debug_app_set, label));
 780             mWaitForDebugger.setEnabled(true);
 781             mHaveDebugSettings = true;
 782         } else {
 783             mDebugAppPref.setSummary(getResources().getString(R.string.debug_app_not_set));
 784             mWaitForDebugger.setEnabled(false);
 785         }
 786     }
 787
 788     private void updateMockLocation() {
 789         AppOpsManager appOpsManager = (AppOpsManager) getSystemService(Context.APP_OPS_SERVICE);
 790
 791         List<PackageOps> packageOps = appOpsManager.getPackagesForOps(MOCK_LOCATION_APP_OPS);
 792         if (packageOps != null) {
 793             for (PackageOps packageOp : packageOps) {
 794                 if (packageOp.getOps().get(0).getMode() == AppOpsManager.MODE_ALLOWED) {
 795                     mMockLocationApp = packageOps.get(0).getPackageName();
 796                     break;
 797                 }
 798             }
 799         }
 800
 801         if (!TextUtils.isEmpty(mMockLocationApp)) {
 802             String label = mMockLocationApp;
 803             try {
 804                 ApplicationInfo ai = getActivity().getPackageManager().getApplicationInfo(
 805                         mMockLocationApp, PackageManager.GET_DISABLED_COMPONENTS);
 806                 CharSequence appLabel = getPackageManager().getApplicationLabel(ai);
 807                 if (appLabel != null) {
 808                     label = appLabel.toString();
 809                 }
 810             } catch (PackageManager.NameNotFoundException e) {
 811                 /* ignore */
 812             }
 813
 814             mMockLocationAppPref.setSummary(getString(R.string.mock_location_app_set, label));
 815             mHaveDebugSettings = true;
 816         } else {
 817             mMockLocationAppPref.setSummary(getString(R.string.mock_location_app_not_set));
 818         }
 819     }
 820
 821     private void updateVerifyAppsOverUsbOptions() {
 822         updateSwitchPreference(mVerifyAppsOverUsb, Settings.Global.getInt(getActivity().getContentResolver(),
 823                 Settings.Global.PACKAGE_VERIFIER_INCLUDE_ADB, 1) != 0);
 824         mVerifyAppsOverUsb.setEnabled(enableVerifierSetting());
 825     }
 826
 827     private void writeVerifyAppsOverUsbOptions() {
 828         Settings.Global.putInt(getActivity().getContentResolver(),
 829               Settings.Global.PACKAGE_VERIFIER_INCLUDE_ADB, mVerifyAppsOverUsb.isChecked() ? 1 : 0);
 830     }
 831
 832     private boolean enableVerifierSetting() {
 833         final ContentResolver cr = getActivity().getContentResolver();
 834         if (Settings.Global.getInt(cr, Settings.Global.ADB_ENABLED, 0) == 0) {
 835             return false;
 836         }
 837         if (Settings.Global.getInt(cr, Settings.Global.PACKAGE_VERIFIER_ENABLE, 1) == 0) {
 838             return false;
 839         } else {
 840             final PackageManager pm = getActivity().getPackageManager();
 841             final Intent verification = new Intent(Intent.ACTION_PACKAGE_NEEDS_VERIFICATION);
 842             verification.setType(PACKAGE_MIME_TYPE);
 843             verification.addFlags(Intent.FLAG_GRANT_READ_URI_PERMISSION);
 844             final List<ResolveInfo> receivers = pm.queryBroadcastReceivers(verification, 0);
 845             if (receivers.size() == 0) {
 846                 return false;
 847             }
 848         }
 849         return true;
 850     }
 851
 852     private boolean showVerifierSetting() {
 853         return Settings.Global.getInt(getActivity().getContentResolver(),
 854                 Settings.Global.PACKAGE_VERIFIER_SETTING_VISIBLE, 1) > 0;
 855     }
 856
 857     private static boolean showEnableOemUnlockPreference() {
 858         return !SystemProperties.get(PERSISTENT_DATA_BLOCK_PROP).equals("");
 859     }
 860
 861     private static boolean showEnableMultiWindowPreference() {
 862         return !"user".equals(Build.TYPE);
 863     }
 864
 865     private void setEnableMultiWindow(boolean value) {
 866         SystemProperties.set(MULTI_WINDOW_SYSTEM_PROPERTY, String.valueOf(value));
 867         pokeSystemProperties();
 868     }
 869
 870     private void updateBugreportOptions() {
 871         final ComponentName bugreportStorageProviderComponentName =
 872                 new ComponentName("com.android.shell",
 873                         "com.android.shell.BugreportStorageProvider");
 874         if ("user".equals(Build.TYPE)) {
 875             final ContentResolver resolver = getActivity().getContentResolver();
 876             final boolean adbEnabled = Settings.Global.getInt(
 877                     resolver, Settings.Global.ADB_ENABLED, 0) != 0;
 878             if (adbEnabled) {
 879                 mBugreport.setEnabled(true);
 880                 mBugreportInPower.setEnabled(true);
 881                 getPackageManager().setComponentEnabledSetting(
 882                         bugreportStorageProviderComponentName,
 883                         PackageManager.COMPONENT_ENABLED_STATE_ENABLED, 0);
 884             } else {
 885                 mBugreport.setEnabled(false);
 886                 mBugreportInPower.setEnabled(false);
 887                 mBugreportInPower.setChecked(false);
 888                 Settings.Secure.putInt(resolver, Settings.Secure.BUGREPORT_IN_POWER_MENU, 0);
 889                 getPackageManager().setComponentEnabledSetting(
 890                         bugreportStorageProviderComponentName,
 891                         PackageManager.COMPONENT_ENABLED_STATE_DEFAULT, 0);
 892             }
 893         } else {
 894             mBugreportInPower.setEnabled(true);
 895             getPackageManager().setComponentEnabledSetting(
 896                     bugreportStorageProviderComponentName,
 897                     PackageManager.COMPONENT_ENABLED_STATE_ENABLED, 0);
 898         }
 899     }
 900
 901     // Returns the current state of the system property that controls
 902     // strictmode flashes.  One of:
 903     //    0: not explicitly set one way or another
 904     //    1: on
 905     //    2: off
 906     private static int currentStrictModeActiveIndex() {
 907         if (TextUtils.isEmpty(SystemProperties.get(StrictMode.VISUAL_PROPERTY))) {
 908             return 0;
 909         }
 910         boolean enabled = SystemProperties.getBoolean(StrictMode.VISUAL_PROPERTY, false);
 911         return enabled ? 1 : 2;
 912     }
 913
 914     private void writeStrictModeVisualOptions() {
 915         try {
 916             mWindowManager.setStrictModeVisualIndicatorPreference(mStrictMode.isChecked()
 917                     ? "1" : "");
 918         } catch (RemoteException e) {
 919         }
 920     }
 921
 922     private void updateStrictModeVisualOptions() {
 923         updateSwitchPreference(mStrictMode, currentStrictModeActiveIndex() == 1);
 924     }
 925
 926     private void writePointerLocationOptions() {
 927         Settings.System.putInt(getActivity().getContentResolver(),
 928                 Settings.System.POINTER_LOCATION, mPointerLocation.isChecked() ? 1 : 0);
 929     }
 930
 931     private void updatePointerLocationOptions() {
 932         updateSwitchPreference(mPointerLocation,
 933                 Settings.System.getInt(getActivity().getContentResolver(),
 934                 Settings.System.POINTER_LOCATION, 0) != 0);
 935     }
 936
 937     private void writeShowTouchesOptions() {
 938         Settings.System.putInt(getActivity().getContentResolver(),
 939                 Settings.System.SHOW_TOUCHES, mShowTouches.isChecked() ? 1 : 0);
 940     }
 941
 942     private void updateShowTouchesOptions() {
 943         updateSwitchPreference(mShowTouches,
 944                 Settings.System.getInt(getActivity().getContentResolver(),
 945                 Settings.System.SHOW_TOUCHES, 0) != 0);
 946     }
 947
 948     private void updateFlingerOptions() {
 949         // magic communication with surface flinger.
 950         try {
 951             IBinder flinger = ServiceManager.getService("SurfaceFlinger");
 952             if (flinger != null) {
 953                 Parcel data = Parcel.obtain();
 954                 Parcel reply = Parcel.obtain();
 955                 data.writeInterfaceToken("android.ui.ISurfaceComposer");
 956                 flinger.transact(1010, data, reply, 0);
 957                 @SuppressWarnings("unused")
 958                 int showCpu = reply.readInt();
 959                 @SuppressWarnings("unused")
 960                 int enableGL = reply.readInt();
 961                 int showUpdates = reply.readInt();
 962                 updateSwitchPreference(mShowScreenUpdates, showUpdates != 0);
 963                 @SuppressWarnings("unused")
 964                 int showBackground = reply.readInt();
 965                 int disableOverlays = reply.readInt();
 966                 updateSwitchPreference(mDisableOverlays, disableOverlays != 0);
 967                 reply.recycle();
 968                 data.recycle();
 969             }
 970         } catch (RemoteException ex) {
 971         }
 972     }
 973
 974     private void writeShowUpdatesOption() {
 975         try {
 976             IBinder flinger = ServiceManager.getService("SurfaceFlinger");
 977             if (flinger != null) {
 978                 Parcel data = Parcel.obtain();
 979                 data.writeInterfaceToken("android.ui.ISurfaceComposer");
 980                 final int showUpdates = mShowScreenUpdates.isChecked() ? 1 : 0;
 981                 data.writeInt(showUpdates);
 982                 flinger.transact(1002, data, null, 0);
 983                 data.recycle();
 984
 985                 updateFlingerOptions();
 986             }
 987         } catch (RemoteException ex) {
 988         }
 989     }
 990
 991     private void writeDisableOverlaysOption() {
 992         try {
 993             IBinder flinger = ServiceManager.getService("SurfaceFlinger");
 994             if (flinger != null) {
 995                 Parcel data = Parcel.obtain();
 996                 data.writeInterfaceToken("android.ui.ISurfaceComposer");
 997                 final int disableOverlays = mDisableOverlays.isChecked() ? 1 : 0;
 998                 data.writeInt(disableOverlays);
 999                 flinger.transact(1008, data, null, 0);
1000                 data.recycle();
1001
1002                 updateFlingerOptions();
1003             }
1004         } catch (RemoteException ex) {
1005         }
1006     }
1007
1008     private void updateHardwareUiOptions() {
1009         updateSwitchPreference(mForceHardwareUi, SystemProperties.getBoolean(HARDWARE_UI_PROPERTY, false));
1010     }
1011
1012     private void writeHardwareUiOptions() {
1013         SystemProperties.set(HARDWARE_UI_PROPERTY, mForceHardwareUi.isChecked() ? "true" : "false");
1014         pokeSystemProperties();
1015     }
1016
1017     private void updateMsaaOptions() {
1018         updateSwitchPreference(mForceMsaa, SystemProperties.getBoolean(MSAA_PROPERTY, false));
1019     }
1020
1021     private void writeMsaaOptions() {
1022         SystemProperties.set(MSAA_PROPERTY, mForceMsaa.isChecked() ? "true" : "false");
1023         pokeSystemProperties();
1024     }
1025
1026     private void updateTrackFrameTimeOptions() {
1027         String value = SystemProperties.get(HardwareRenderer.PROFILE_PROPERTY);
1028         if (value == null) {
1029             value = "";
1030         }
1031
1032         CharSequence[] values = mTrackFrameTime.getEntryValues();
1033         for (int i = 0; i < values.length; i++) {
1034             if (value.contentEquals(values[i])) {
1035                 mTrackFrameTime.setValueIndex(i);
1036                 mTrackFrameTime.setSummary(mTrackFrameTime.getEntries()[i]);
1037                 return;
1038             }
1039         }
1040         mTrackFrameTime.setValueIndex(0);
1041         mTrackFrameTime.setSummary(mTrackFrameTime.getEntries()[0]);
1042     }
1043
1044     private void writeTrackFrameTimeOptions(Object newValue) {
1045         SystemProperties.set(HardwareRenderer.PROFILE_PROPERTY,
1046                 newValue == null ? "" : newValue.toString());
1047         pokeSystemProperties();
1048         updateTrackFrameTimeOptions();
1049     }
1050
1051     private void updateShowNonRectClipOptions() {
1052         String value = SystemProperties.get(
1053                 HardwareRenderer.DEBUG_SHOW_NON_RECTANGULAR_CLIP_PROPERTY);
1054         if (value == null) {
1055             value = "hide";
1056         }
1057
1058         CharSequence[] values = mShowNonRectClip.getEntryValues();
1059         for (int i = 0; i < values.length; i++) {
1060             if (value.contentEquals(values[i])) {
1061                 mShowNonRectClip.setValueIndex(i);
1062                 mShowNonRectClip.setSummary(mShowNonRectClip.getEntries()[i]);
1063                 return;
1064             }
1065         }
1066         mShowNonRectClip.setValueIndex(0);
1067         mShowNonRectClip.setSummary(mShowNonRectClip.getEntries()[0]);
1068     }
1069
1070     private void writeShowNonRectClipOptions(Object newValue) {
1071         SystemProperties.set(HardwareRenderer.DEBUG_SHOW_NON_RECTANGULAR_CLIP_PROPERTY,
1072                 newValue == null ? "" : newValue.toString());
1073         pokeSystemProperties();
1074         updateShowNonRectClipOptions();
1075     }
1076
1077     private void updateShowHwScreenUpdatesOptions() {
1078         updateSwitchPreference(mShowHwScreenUpdates,
1079                 SystemProperties.getBoolean(HardwareRenderer.DEBUG_DIRTY_REGIONS_PROPERTY, false));
1080     }
1081
1082     private void writeShowHwScreenUpdatesOptions() {
1083         SystemProperties.set(HardwareRenderer.DEBUG_DIRTY_REGIONS_PROPERTY,
1084                 mShowHwScreenUpdates.isChecked() ? "true" : null);
1085         pokeSystemProperties();
1086     }
1087
1088     private void updateShowHwLayersUpdatesOptions() {
1089         updateSwitchPreference(mShowHwLayersUpdates, SystemProperties.getBoolean(
1090                 HardwareRenderer.DEBUG_SHOW_LAYERS_UPDATES_PROPERTY, false));
1091     }
1092
1093     private void writeShowHwLayersUpdatesOptions() {
1094         SystemProperties.set(HardwareRenderer.DEBUG_SHOW_LAYERS_UPDATES_PROPERTY,
1095                 mShowHwLayersUpdates.isChecked() ? "true" : null);
1096         pokeSystemProperties();
1097     }
1098
1099     private void updateDebugHwOverdrawOptions() {
1100         String value = SystemProperties.get(HardwareRenderer.DEBUG_OVERDRAW_PROPERTY);
1101         if (value == null) {
1102             value = "";
1103         }
1104
1105         CharSequence[] values = mDebugHwOverdraw.getEntryValues();
1106         for (int i = 0; i < values.length; i++) {
1107             if (value.contentEquals(values[i])) {
1108                 mDebugHwOverdraw.setValueIndex(i);
1109                 mDebugHwOverdraw.setSummary(mDebugHwOverdraw.getEntries()[i]);
1110                 return;
1111             }
1112         }
1113         mDebugHwOverdraw.setValueIndex(0);
1114         mDebugHwOverdraw.setSummary(mDebugHwOverdraw.getEntries()[0]);
1115     }
1116
1117     private void writeDebugHwOverdrawOptions(Object newValue) {
1118         SystemProperties.set(HardwareRenderer.DEBUG_OVERDRAW_PROPERTY,
1119                 newValue == null ? "" : newValue.toString());
1120         pokeSystemProperties();
1121         updateDebugHwOverdrawOptions();
1122     }
1123
1124     private void updateDebugLayoutOptions() {
1125         updateSwitchPreference(mDebugLayout,
1126                 SystemProperties.getBoolean(View.DEBUG_LAYOUT_PROPERTY, false));
1127     }
1128
1129     private void writeDebugLayoutOptions() {
1130         SystemProperties.set(View.DEBUG_LAYOUT_PROPERTY,
1131                 mDebugLayout.isChecked() ? "true" : "false");
1132         pokeSystemProperties();
1133     }
1134
1135     private void updateSimulateColorSpace() {
1136         final ContentResolver cr = getContentResolver();
1137         final boolean enabled = Settings.Secure.getInt(
1138                 cr, Settings.Secure.ACCESSIBILITY_DISPLAY_DALTONIZER_ENABLED, 0) != 0;
1139         if (enabled) {
1140             final String mode = Integer.toString(Settings.Secure.getInt(
1141                     cr, Settings.Secure.ACCESSIBILITY_DISPLAY_DALTONIZER,
1142                     AccessibilityManager.DALTONIZER_DISABLED));
1143             mSimulateColorSpace.setValue(mode);
1144             final int index = mSimulateColorSpace.findIndexOfValue(mode);
1145             if (index < 0) {
1146                 // We're using a mode controlled by accessibility preferences.
1147                 mSimulateColorSpace.setSummary(getString(R.string.daltonizer_type_overridden,
1148                         getString(R.string.accessibility_display_daltonizer_preference_title)));
1149             } else {
1150                 mSimulateColorSpace.setSummary("%s");
1151             }
1152         } else {
1153             mSimulateColorSpace.setValue(
1154                     Integer.toString(AccessibilityManager.DALTONIZER_DISABLED));
1155         }
1156     }
1157
1158     /**
1159      * @return <code>true</code> if the color space preference is currently
1160      *         controlled by development settings
1161      */
1162     private boolean usingDevelopmentColorSpace() {
1163         final ContentResolver cr = getContentResolver();
1164         final boolean enabled = Settings.Secure.getInt(
1165                 cr, Settings.Secure.ACCESSIBILITY_DISPLAY_DALTONIZER_ENABLED, 0) != 0;
1166         if (enabled) {
1167             final String mode = Integer.toString(Settings.Secure.getInt(
1168                     cr, Settings.Secure.ACCESSIBILITY_DISPLAY_DALTONIZER,
1169                     AccessibilityManager.DALTONIZER_DISABLED));
1170             final int index = mSimulateColorSpace.findIndexOfValue(mode);
1171             if (index >= 0) {
1172                 // We're using a mode controlled by developer preferences.
1173                 return true;
1174             }
1175         }
1176         return false;
1177     }
1178
1179     private void writeSimulateColorSpace(Object value) {
1180         final ContentResolver cr = getContentResolver();
1181         final int newMode = Integer.parseInt(value.toString());
1182         if (newMode < 0) {
1183             Settings.Secure.putInt(cr, Settings.Secure.ACCESSIBILITY_DISPLAY_DALTONIZER_ENABLED, 0);
1184         } else {
1185             Settings.Secure.putInt(cr, Settings.Secure.ACCESSIBILITY_DISPLAY_DALTONIZER_ENABLED, 1);
1186             Settings.Secure.putInt(cr, Settings.Secure.ACCESSIBILITY_DISPLAY_DALTONIZER, newMode);
1187         }
1188     }
1189
1190     private void updateTweakUi() {
1191         updateSwitchPreference(mTunerUiPref, getActivity().getPackageManager()
1192                 .getComponentEnabledSetting(SYSUI_TUNER)
1193                 == PackageManager.COMPONENT_ENABLED_STATE_ENABLED);
1194         mTunerUiPref.setOnPreferenceChangeListener(this);
1195     }
1196
1197     private void writeTweakUi(Object newValue) {
1198         Boolean enabled = (Boolean) newValue;
1199         getActivity().getPackageManager().setComponentEnabledSetting(SYSUI_TUNER,
1200                 enabled ? PackageManager.COMPONENT_ENABLED_STATE_ENABLED
1201                         : PackageManager.COMPONENT_ENABLED_STATE_DISABLED,
1202                         PackageManager.DONT_KILL_APP);
1203     }
1204
1205     private void updateUseNuplayerOptions() {
1206         updateSwitchPreference(
1207                 mUseAwesomePlayer, SystemProperties.getBoolean(USE_AWESOMEPLAYER_PROPERTY, false));
1208     }
1209
1210     private void writeUseAwesomePlayerOptions() {
1211         SystemProperties.set(
1212                 USE_AWESOMEPLAYER_PROPERTY, mUseAwesomePlayer.isChecked() ? "true" : "false");
1213         pokeSystemProperties();
1214     }
1215
1216     private void updateUSBAudioOptions() {
1217         updateSwitchPreference(mUSBAudio, Settings.Secure.getInt(getContentResolver(),
1218                 Settings.Secure.USB_AUDIO_AUTOMATIC_ROUTING_DISABLED, 0) != 0);
1219     }
1220
1221     private void writeUSBAudioOptions() {
1222         Settings.Secure.putInt(getContentResolver(),
1223                 Settings.Secure.USB_AUDIO_AUTOMATIC_ROUTING_DISABLED,
1224                 mUSBAudio.isChecked() ? 1 : 0);
1225     }
1226
1227     private void updateForceRtlOptions() {
1228         updateSwitchPreference(mForceRtlLayout,
1229                 Settings.Global.getInt(getActivity().getContentResolver(),
1230                 Settings.Global.DEVELOPMENT_FORCE_RTL, 0) != 0);
1231     }
1232
1233     private void writeForceRtlOptions() {
1234         boolean value = mForceRtlLayout.isChecked();
1235         Settings.Global.putInt(getActivity().getContentResolver(),
1236                 Settings.Global.DEVELOPMENT_FORCE_RTL, value ? 1 : 0);
1237         SystemProperties.set(Settings.Global.DEVELOPMENT_FORCE_RTL, value ? "1" : "0");
1238         LocalePicker.updateLocale(getActivity().getResources().getConfiguration().locale);
1239     }
1240
1241     private void updateWifiDisplayCertificationOptions() {
1242         updateSwitchPreference(mWifiDisplayCertification, Settings.Global.getInt(
1243                 getActivity().getContentResolver(),
1244                 Settings.Global.WIFI_DISPLAY_CERTIFICATION_ON, 0) != 0);
1245     }
1246
1247     private void writeWifiDisplayCertificationOptions() {
1248         Settings.Global.putInt(getActivity().getContentResolver(),
1249                 Settings.Global.WIFI_DISPLAY_CERTIFICATION_ON,
1250                 mWifiDisplayCertification.isChecked() ? 1 : 0);
1251     }
1252
1253     private void updateWifiVerboseLoggingOptions() {
1254         boolean enabled = mWifiManager.getVerboseLoggingLevel() > 0;
1255         updateSwitchPreference(mWifiVerboseLogging, enabled);
1256     }
1257
1258     private void writeWifiVerboseLoggingOptions() {
1259         mWifiManager.enableVerboseLogging(mWifiVerboseLogging.isChecked() ? 1 : 0);
1260     }
1261
1262     private void updateWifiAggressiveHandoverOptions() {
1263         boolean enabled = mWifiManager.getAggressiveHandover() > 0;
1264         updateSwitchPreference(mWifiAggressiveHandover, enabled);
1265     }
1266
1267     private void writeWifiAggressiveHandoverOptions() {
1268         mWifiManager.enableAggressiveHandover(mWifiAggressiveHandover.isChecked() ? 1 : 0);
1269     }
1270
1271     private void updateWifiAllowScansWithTrafficOptions() {
1272         boolean enabled = mWifiManager.getAllowScansWithTraffic() > 0;
1273         updateSwitchPreference(mWifiAllowScansWithTraffic, enabled);
1274     }
1275
1276     private void writeWifiAllowScansWithTrafficOptions() {
1277         mWifiManager.setAllowScansWithTraffic(mWifiAllowScansWithTraffic.isChecked() ? 1 : 0);
1278     }
1279
1280     private void updateLegacyDhcpClientOptions() {
1281         updateSwitchPreference(mLegacyDhcpClient, Settings.Global.getInt(
1282                 getActivity().getContentResolver(),
1283                 Settings.Global.LEGACY_DHCP_CLIENT, 0) != 0);
1284     }
1285
1286     private void writeLegacyDhcpClientOptions() {
1287         Settings.Global.putInt(getActivity().getContentResolver(),
1288                 Settings.Global.LEGACY_DHCP_CLIENT,
1289                 mLegacyDhcpClient.isChecked() ? 1 : 0);
1290     }
1291
1292     private void updateMobileDataAlwaysOnOptions() {
1293         updateSwitchPreference(mMobileDataAlwaysOn, Settings.Global.getInt(
1294                 getActivity().getContentResolver(),
1295                 Settings.Global.MOBILE_DATA_ALWAYS_ON, 0) != 0);
1296     }
1297
1298     private void writeMobileDataAlwaysOnOptions() {
1299         Settings.Global.putInt(getActivity().getContentResolver(),
1300                 Settings.Global.MOBILE_DATA_ALWAYS_ON,
1301                 mMobileDataAlwaysOn.isChecked() ? 1 : 0);
1302     }
1303
1304     private void updateLogdSizeValues() {
1305         if (mLogdSize != null) {
1306             String currentValue = SystemProperties.get(SELECT_LOGD_SIZE_PROPERTY);
1307             if (currentValue == null) {
1308                 currentValue = SystemProperties.get(SELECT_LOGD_DEFAULT_SIZE_PROPERTY);
1309                 if (currentValue == null) {
1310                     currentValue = "256K";
1311                 }
1312             }
1313             String[] values = getResources().getStringArray(R.array.select_logd_size_values);
1314             String[] titles = getResources().getStringArray(R.array.select_logd_size_titles);
1315             if (SystemProperties.get("ro.config.low_ram").equals("true")) {
1316                 mLogdSize.setEntries(R.array.select_logd_size_lowram_titles);
1317                 titles = getResources().getStringArray(R.array.select_logd_size_lowram_titles);
1318             }
1319             String[] summaries = getResources().getStringArray(R.array.select_logd_size_summaries);
1320             int index = 1; // punt to second entry if not found
1321             for (int i = 0; i < titles.length; i++) {
1322                 if (currentValue.equals(values[i])
1323                         || currentValue.equals(titles[i])) {
1324                     index = i;
1325                     break;
1326                 }
1327             }
1328             mLogdSize.setValue(values[index]);
1329             mLogdSize.setSummary(summaries[index]);
1330             mLogdSize.setOnPreferenceChangeListener(this);
1331         }
1332     }
1333
1334     private void writeLogdSizeOption(Object newValue) {
1335         String currentValue = SystemProperties.get(SELECT_LOGD_DEFAULT_SIZE_PROPERTY);
1336         if (currentValue != null) {
1337             DEFAULT_LOG_RING_BUFFER_SIZE_IN_BYTES = currentValue;
1338         }
1339         final String size = (newValue != null) ?
1340                 newValue.toString() : DEFAULT_LOG_RING_BUFFER_SIZE_IN_BYTES;
1341         SystemProperties.set(SELECT_LOGD_SIZE_PROPERTY, size);
1342         pokeSystemProperties();
1343         try {
1344             Process p = Runtime.getRuntime().exec("logcat -b all -G " + size);
1345             p.waitFor();
1346             Log.i(TAG, "Logcat ring buffer sizes set to: " + size);
1347         } catch (Exception e) {
1348             Log.w(TAG, "Cannot set logcat ring buffer sizes", e);
1349         }
1350         updateLogdSizeValues();
1351     }
1352
1353     private void updateUsbConfigurationValues() {
1354         if (mUsbConfiguration != null) {
1355             String currentValue = SystemProperties.get(SELECT_USB_CONFIGURATION_PROPERTY);
1356
1357             // Ignore adb interface. The USB Manager adds or removes adb automatically
1358             // depending on if USB debugging is enabled.
1359             int adbIndex = currentValue.indexOf(",adb");
1360             if (adbIndex > 0) {
1361                 currentValue = currentValue.substring(0, adbIndex);
1362             }
1363
1364             String[] values = getResources().getStringArray(R.array.usb_configuration_values);
1365             String[] titles = getResources().getStringArray(R.array.usb_configuration_titles);
1366             int index = 1; // punt to second entry if not found
1367             for (int i = 0; i < titles.length; i++) {
1368                 if (currentValue.equals(values[i])) {
1369                     index = i;
1370                     break;
1371                 }
1372             }
1373             if (index >= 0) {
1374                 mUsbConfiguration.setValue(values[index]);
1375                 mUsbConfiguration.setSummary(titles[index]);
1376             } else {
1377                 mUsbConfiguration.setValue("");
1378                 mUsbConfiguration.setSummary("");
1379             }
1380             mUsbConfiguration.setOnPreferenceChangeListener(this);
1381         }
1382     }
1383
1384     private void writeUsbConfigurationOption(Object newValue) {
1385         UsbManager manager = (UsbManager)getActivity().getSystemService(Context.USB_SERVICE);
1386         manager.setCurrentFunction(newValue.toString());
1387     }
1388
1389     private void updateCpuUsageOptions() {
1390         updateSwitchPreference(mShowCpuUsage,
1391                 Settings.Global.getInt(getActivity().getContentResolver(),
1392                 Settings.Global.SHOW_PROCESSES, 0) != 0);
1393     }
1394
1395     private void writeCpuUsageOptions() {
1396         boolean value = mShowCpuUsage.isChecked();
1397         Settings.Global.putInt(getActivity().getContentResolver(),
1398                 Settings.Global.SHOW_PROCESSES, value ? 1 : 0);
1399         Intent service = (new Intent())
1400                 .setClassName("com.android.systemui", "com.android.systemui.LoadAverageService");
1401         if (value) {
1402             getActivity().startService(service);
1403         } else {
1404             getActivity().stopService(service);
1405         }
1406     }
1407
1408     private void writeImmediatelyDestroyActivitiesOptions() {
1409         try {
1410             ActivityManagerNative.getDefault().setAlwaysFinish(
1411                     mImmediatelyDestroyActivities.isChecked());
1412         } catch (RemoteException ex) {
1413         }
1414     }
1415
1416     private void updateImmediatelyDestroyActivitiesOptions() {
1417         updateSwitchPreference(mImmediatelyDestroyActivities, Settings.Global.getInt(
1418                 getActivity().getContentResolver(), Settings.Global.ALWAYS_FINISH_ACTIVITIES, 0) != 0);
1419     }
1420
1421     private void updateAnimationScaleValue(int which, ListPreference pref) {
1422         try {
1423             float scale = mWindowManager.getAnimationScale(which);
1424             if (scale != 1) {
1425                 mHaveDebugSettings = true;
1426             }
1427             CharSequence[] values = pref.getEntryValues();
1428             for (int i=0; i<values.length; i++) {
1429                 float val = Float.parseFloat(values[i].toString());
1430                 if (scale <= val) {
1431                     pref.setValueIndex(i);
1432                     pref.setSummary(pref.getEntries()[i]);
1433                     return;
1434                 }
1435             }
1436             pref.setValueIndex(values.length-1);
1437             pref.setSummary(pref.getEntries()[0]);
1438         } catch (RemoteException e) {
1439         }
1440     }
1441
1442     private void updateAnimationScaleOptions() {
1443         updateAnimationScaleValue(0, mWindowAnimationScale);
1444         updateAnimationScaleValue(1, mTransitionAnimationScale);
1445         updateAnimationScaleValue(2, mAnimatorDurationScale);
1446     }
1447
1448     private void writeAnimationScaleOption(int which, ListPreference pref, Object newValue) {
1449         try {
1450             float scale = newValue != null ? Float.parseFloat(newValue.toString()) : 1;
1451             mWindowManager.setAnimationScale(which, scale);
1452             updateAnimationScaleValue(which, pref);
1453         } catch (RemoteException e) {
1454         }
1455     }
1456
1457     private void updateOverlayDisplayDevicesOptions() {
1458         String value = Settings.Global.getString(getActivity().getContentResolver(),
1459                 Settings.Global.OVERLAY_DISPLAY_DEVICES);
1460         if (value == null) {
1461             value = "";
1462         }
1463
1464         CharSequence[] values = mOverlayDisplayDevices.getEntryValues();
1465         for (int i = 0; i < values.length; i++) {
1466             if (value.contentEquals(values[i])) {
1467                 mOverlayDisplayDevices.setValueIndex(i);
1468                 mOverlayDisplayDevices.setSummary(mOverlayDisplayDevices.getEntries()[i]);
1469                 return;
1470             }
1471         }
1472         mOverlayDisplayDevices.setValueIndex(0);
1473         mOverlayDisplayDevices.setSummary(mOverlayDisplayDevices.getEntries()[0]);
1474     }
1475
1476     private void writeOverlayDisplayDevicesOptions(Object newValue) {
1477         Settings.Global.putString(getActivity().getContentResolver(),
1478                 Settings.Global.OVERLAY_DISPLAY_DEVICES, (String)newValue);
1479         updateOverlayDisplayDevicesOptions();
1480     }
1481
1482     private void updateOpenGLTracesOptions() {
1483         String value = SystemProperties.get(OPENGL_TRACES_PROPERTY);
1484         if (value == null) {
1485             value = "";
1486         }
1487
1488         CharSequence[] values = mOpenGLTraces.getEntryValues();
1489         for (int i = 0; i < values.length; i++) {
1490             if (value.contentEquals(values[i])) {
1491                 mOpenGLTraces.setValueIndex(i);
1492                 mOpenGLTraces.setSummary(mOpenGLTraces.getEntries()[i]);
1493                 return;
1494             }
1495         }
1496         mOpenGLTraces.setValueIndex(0);
1497         mOpenGLTraces.setSummary(mOpenGLTraces.getEntries()[0]);
1498     }
1499
1500     private void writeOpenGLTracesOptions(Object newValue) {
1501         SystemProperties.set(OPENGL_TRACES_PROPERTY, newValue == null ? "" : newValue.toString());
1502         pokeSystemProperties();
1503         updateOpenGLTracesOptions();
1504     }
1505
1506     private void updateAppProcessLimitOptions() {
1507         try {
1508             int limit = ActivityManagerNative.getDefault().getProcessLimit();
1509             CharSequence[] values = mAppProcessLimit.getEntryValues();
1510             for (int i=0; i<values.length; i++) {
1511                 int val = Integer.parseInt(values[i].toString());
1512                 if (val >= limit) {
1513                     if (i != 0) {
1514                         mHaveDebugSettings = true;
1515                     }
1516                     mAppProcessLimit.setValueIndex(i);
1517                     mAppProcessLimit.setSummary(mAppProcessLimit.getEntries()[i]);
1518                     return;
1519                 }
1520             }
1521             mAppProcessLimit.setValueIndex(0);
1522             mAppProcessLimit.setSummary(mAppProcessLimit.getEntries()[0]);
1523         } catch (RemoteException e) {
1524         }
1525     }
1526
1527     private void writeAppProcessLimitOptions(Object newValue) {
1528         try {
1529             int limit = newValue != null ? Integer.parseInt(newValue.toString()) : -1;
1530             ActivityManagerNative.getDefault().setProcessLimit(limit);
1531             updateAppProcessLimitOptions();
1532         } catch (RemoteException e) {
1533         }
1534     }
1535
1536     private void writeShowAllANRsOptions() {
1537         Settings.Secure.putInt(getActivity().getContentResolver(),
1538                 Settings.Secure.ANR_SHOW_BACKGROUND,
1539                 mShowAllANRs.isChecked() ? 1 : 0);
1540     }
1541
1542     private void updateShowAllANRsOptions() {
1543         updateSwitchPreference(mShowAllANRs, Settings.Secure.getInt(
1544                 getActivity().getContentResolver(), Settings.Secure.ANR_SHOW_BACKGROUND, 0) != 0);
1545     }
1546
1547     private void confirmEnableOemUnlock() {
1548         DialogInterface.OnClickListener onConfirmListener = new DialogInterface.OnClickListener() {
1549             @Override
1550             public void onClick(DialogInterface dialog, int which) {
1551                 Utils.setOemUnlockEnabled(getActivity(), true);
1552                 updateAllOptions();
1553             }
1554         };
1555
1556         new AlertDialog.Builder(getActivity())
1557                 .setTitle(R.string.confirm_enable_oem_unlock_title)
1558                 .setMessage(R.string.confirm_enable_oem_unlock_text)
1559                 .setPositiveButton(R.string.enable_text, onConfirmListener)
1560                 .setNegativeButton(android.R.string.cancel, null)
1561                 .create()
1562                 .show();
1563     }
1564
1565     private void confirmEnableMultiWindowMode() {
1566         DialogInterface.OnClickListener onConfirmListener = new DialogInterface.OnClickListener() {
1567             @Override
1568             public void onClick(DialogInterface dialog, int which) {
1569                 setEnableMultiWindow((which == DialogInterface.BUTTON_POSITIVE) ? true : false);
1570                 updateAllOptions();
1571             }
1572         };
1573
1574         new AlertDialog.Builder(getActivity())
1575                 .setTitle(R.string.confirm_enable_multi_window_title)
1576                 .setMessage(R.string.confirm_enable_multi_window_text)
1577                 .setPositiveButton(R.string.enable_text, onConfirmListener)
1578                 .setNegativeButton(android.R.string.cancel, onConfirmListener)
1579                 .create()
1580                 .show();
1581     }
1582
1583     @Override
1584     public void onSwitchChanged(Switch switchView, boolean isChecked) {
1585         if (switchView != mSwitchBar.getSwitch()) {
1586             return;
1587         }
1588         if (isChecked != mLastEnabledState) {
1589             if (isChecked) {
1590                 mDialogClicked = false;
1591                 if (mEnableDialog != null) dismissDialogs();
1592                 mEnableDialog = new AlertDialog.Builder(getActivity()).setMessage(
1593                         getActivity().getResources().getString(
1594                                 R.string.dev_settings_warning_message))
1595                         .setTitle(R.string.dev_settings_warning_title)
1596                         .setPositiveButton(android.R.string.yes, this)
1597                         .setNegativeButton(android.R.string.no, this)
1598                         .show();
1599                 mEnableDialog.setOnDismissListener(this);
1600             } else {
1601                 resetDangerousOptions();
1602                 Settings.Global.putInt(getActivity().getContentResolver(),
1603                         Settings.Global.DEVELOPMENT_SETTINGS_ENABLED, 0);
1604                 mLastEnabledState = isChecked;
1605                 setPrefsEnabledState(mLastEnabledState);
1606             }
1607         }
1608     }
1609
1610     @Override
1611     public void onActivityResult(int requestCode, int resultCode, Intent data) {
1612         if (requestCode == RESULT_DEBUG_APP) {
1613             if (resultCode == Activity.RESULT_OK) {
1614                 mDebugApp = data.getAction();
1615                 writeDebuggerOptions();
1616                 updateDebuggerOptions();
1617             }
1618         } else if (requestCode == RESULT_MOCK_LOCATION_APP) {
1619             if (resultCode == Activity.RESULT_OK) {
1620                 mMockLocationApp = data.getAction();
1621                 writeMockLocation();
1622                 updateMockLocation();
1623             }
1624         } else if (requestCode == REQUEST_CODE_ENABLE_OEM_UNLOCK) {
1625             if (resultCode == Activity.RESULT_OK) {
1626                 if (mEnableOemUnlock.isChecked()) {
1627                     confirmEnableOemUnlock();
1628                 } else {
1629                     Utils.setOemUnlockEnabled(getActivity(), false);
1630                 }
1631             }
1632         } else {
1633             super.onActivityResult(requestCode, resultCode, data);
1634         }
1635     }
1636
1637     @Override
1638     public boolean onPreferenceTreeClick(PreferenceScreen preferenceScreen, Preference preference) {
1639         if (Utils.isMonkeyRunning()) {
1640             return false;
1641         }
1642
1643         if (preference == mEnableAdb) {
1644             if (mEnableAdb.isChecked()) {
1645                 mDialogClicked = false;
1646                 if (mAdbDialog != null) dismissDialogs();
1647                 mAdbDialog = new AlertDialog.Builder(getActivity()).setMessage(
1648                         getActivity().getResources().getString(R.string.adb_warning_message))
1649                         .setTitle(R.string.adb_warning_title)
1650                         .setPositiveButton(android.R.string.yes, this)
1651                         .setNegativeButton(android.R.string.no, this)
1652                         .show();
1653                 mAdbDialog.setOnDismissListener(this);
1654             } else {
1655                 Settings.Global.putInt(getActivity().getContentResolver(),
1656                         Settings.Global.ADB_ENABLED, 0);
1657                 mVerifyAppsOverUsb.setEnabled(false);
1658                 mVerifyAppsOverUsb.setChecked(false);
1659                 updateBugreportOptions();
1660             }
1661         } else if (preference == mClearAdbKeys) {
1662             if (mAdbKeysDialog != null) dismissDialogs();
1663             mAdbKeysDialog = new AlertDialog.Builder(getActivity())
1664                         .setMessage(R.string.adb_keys_warning_message)
1665                         .setPositiveButton(android.R.string.ok, this)
1666                         .setNegativeButton(android.R.string.cancel, null)
1667                         .show();
1668         } else if (preference == mEnableTerminal) {
1669             final PackageManager pm = getActivity().getPackageManager();
1670             pm.setApplicationEnabledSetting(TERMINAL_APP_PACKAGE,
1671                     mEnableTerminal.isChecked() ? PackageManager.COMPONENT_ENABLED_STATE_ENABLED
1672                             : PackageManager.COMPONENT_ENABLED_STATE_DEFAULT, 0);
1673         } else if (preference == mBugreportInPower) {
1674             Settings.Secure.putInt(getActivity().getContentResolver(),
1675                     Settings.Secure.BUGREPORT_IN_POWER_MENU,
1676                     mBugreportInPower.isChecked() ? 1 : 0);
1677         } else if (preference == mKeepScreenOn) {
1678             Settings.Global.putInt(getActivity().getContentResolver(),
1679                     Settings.Global.STAY_ON_WHILE_PLUGGED_IN,
1680                     mKeepScreenOn.isChecked() ?
1681                             (BatteryManager.BATTERY_PLUGGED_AC | BatteryManager.BATTERY_PLUGGED_USB) : 0);
1682         } else if (preference == mBtHciSnoopLog) {
1683             writeBtHciSnoopLogOptions();
1684         } else if (preference == mEnableOemUnlock) {
1685             if (!showKeyguardConfirmation(getResources(), REQUEST_CODE_ENABLE_OEM_UNLOCK)) {
1686                 if (mEnableOemUnlock.isChecked()) {
1687                     confirmEnableOemUnlock();
1688                 } else {
1689                     Utils.setOemUnlockEnabled(getActivity(), false);
1690                 }
1691             }
1692         } else if (preference == mMockLocationAppPref) {
1693             Intent intent = new Intent(getActivity(), AppPicker.class);
1694             intent.putExtra(AppPicker.EXTRA_REQUESTIING_PERMISSION,
1695                     Manifest.permission.ACCESS_MOCK_LOCATION);
1696             startActivityForResult(intent, RESULT_MOCK_LOCATION_APP);
1697         } else if (preference == mDebugViewAttributes) {
1698             Settings.Global.putInt(getActivity().getContentResolver(),
1699                     Settings.Global.DEBUG_VIEW_ATTRIBUTES,
1700                     mDebugViewAttributes.isChecked() ? 1 : 0);
1701         } else if (preference == mDebugAppPref) {
1702             Intent intent = new Intent(getActivity(), AppPicker.class);
1703             intent.putExtra(AppPicker.EXTRA_DEBUGGABLE, true);
1704             startActivityForResult(intent, RESULT_DEBUG_APP);
1705         } else if (preference == mWaitForDebugger) {
1706             writeDebuggerOptions();
1707         } else if (preference == mVerifyAppsOverUsb) {
1708             writeVerifyAppsOverUsbOptions();
1709         } else if (preference == mStrictMode) {
1710             writeStrictModeVisualOptions();
1711         } else if (preference == mPointerLocation) {
1712             writePointerLocationOptions();
1713         } else if (preference == mShowTouches) {
1714             writeShowTouchesOptions();
1715         } else if (preference == mShowScreenUpdates) {
1716             writeShowUpdatesOption();
1717         } else if (preference == mDisableOverlays) {
1718             writeDisableOverlaysOption();
1719         } else if (preference == mEnableMultiWindow) {
1720             if (mEnableMultiWindow.isChecked()) {
1721                 confirmEnableMultiWindowMode();
1722             } else {
1723                 setEnableMultiWindow(false);
1724             }
1725         } else if (preference == mShowCpuUsage) {
1726             writeCpuUsageOptions();
1727         } else if (preference == mImmediatelyDestroyActivities) {
1728             writeImmediatelyDestroyActivitiesOptions();
1729         } else if (preference == mShowAllANRs) {
1730             writeShowAllANRsOptions();
1731         } else if (preference == mForceHardwareUi) {
1732             writeHardwareUiOptions();
1733         } else if (preference == mForceMsaa) {
1734             writeMsaaOptions();
1735         } else if (preference == mShowHwScreenUpdates) {
1736             writeShowHwScreenUpdatesOptions();
1737         } else if (preference == mShowHwLayersUpdates) {
1738             writeShowHwLayersUpdatesOptions();
1739         } else if (preference == mDebugLayout) {
1740             writeDebugLayoutOptions();
1741         } else if (preference == mForceRtlLayout) {
1742             writeForceRtlOptions();
1743         } else if (preference == mWifiDisplayCertification) {
1744             writeWifiDisplayCertificationOptions();
1745         } else if (preference == mWifiVerboseLogging) {
1746             writeWifiVerboseLoggingOptions();
1747         } else if (preference == mWifiAggressiveHandover) {
1748             writeWifiAggressiveHandoverOptions();
1749         } else if (preference == mWifiAllowScansWithTraffic) {
1750             writeWifiAllowScansWithTrafficOptions();
1751         } else if (preference == mLegacyDhcpClient) {
1752             writeLegacyDhcpClientOptions();
1753         } else if (preference == mMobileDataAlwaysOn) {
1754             writeMobileDataAlwaysOnOptions();
1755         } else if (preference == mUseAwesomePlayer) {
1756             writeUseAwesomePlayerOptions();
1757         } else if (preference == mUSBAudio) {
1758             writeUSBAudioOptions();
1759         } else if (INACTIVE_APPS_KEY.equals(preference.getKey())) {
1760             startInactiveAppsFragment();
1761         } else {
1762             return super.onPreferenceTreeClick(preferenceScreen, preference);
1763         }
1764
1765         return false;
1766     }
1767
1768     private void startInactiveAppsFragment() {
1769         ((SettingsActivity) getActivity()).startPreferencePanel(
1770                 InactiveApps.class.getName(),
1771                 null, R.string.inactive_apps_title, null, null, 0);
1772     }
1773
1774     private boolean showKeyguardConfirmation(Resources resources, int requestCode) {
1775         return new ChooseLockSettingsHelper(getActivity(), this).launchConfirmationActivity(
1776                 requestCode, resources.getString(R.string.oem_unlock_enable));
1777     }
1778
1779     @Override
1780     public boolean onPreferenceChange(Preference preference, Object newValue) {
1781         if (HDCP_CHECKING_KEY.equals(preference.getKey())) {
1782             SystemProperties.set(HDCP_CHECKING_PROPERTY, newValue.toString());
1783             updateHdcpValues();
1784             pokeSystemProperties();
1785             return true;
1786         } else if (preference == mLogdSize) {
1787             writeLogdSizeOption(newValue);
1788             return true;
1789         } else if (preference == mUsbConfiguration) {
1790             writeUsbConfigurationOption(newValue);
1791             return true;
1792         } else if (preference == mWindowAnimationScale) {
1793             writeAnimationScaleOption(0, mWindowAnimationScale, newValue);
1794             return true;
1795         } else if (preference == mTransitionAnimationScale) {
1796             writeAnimationScaleOption(1, mTransitionAnimationScale, newValue);
1797             return true;
1798         } else if (preference == mAnimatorDurationScale) {
1799             writeAnimationScaleOption(2, mAnimatorDurationScale, newValue);
1800             return true;
1801         } else if (preference == mOverlayDisplayDevices) {
1802             writeOverlayDisplayDevicesOptions(newValue);
1803             return true;
1804         } else if (preference == mOpenGLTraces) {
1805             writeOpenGLTracesOptions(newValue);
1806             return true;
1807         } else if (preference == mTrackFrameTime) {
1808             writeTrackFrameTimeOptions(newValue);
1809             return true;
1810         } else if (preference == mDebugHwOverdraw) {
1811             writeDebugHwOverdrawOptions(newValue);
1812             return true;
1813         } else if (preference == mShowNonRectClip) {
1814             writeShowNonRectClipOptions(newValue);
1815             return true;
1816         } else if (preference == mAppProcessLimit) {
1817             writeAppProcessLimitOptions(newValue);
1818             return true;
1819         } else if (preference == mSimulateColorSpace) {
1820             writeSimulateColorSpace(newValue);
1821             return true;
1822         } else if (preference == mTunerUiPref) {
1823             writeTweakUi(newValue);
1824             return true;
1825         }
1826         return false;
1827     }
1828
1829     private void dismissDialogs() {
1830         if (mAdbDialog != null) {
1831             mAdbDialog.dismiss();
1832             mAdbDialog = null;
1833         }
1834         if (mAdbKeysDialog != null) {
1835             mAdbKeysDialog.dismiss();
1836             mAdbKeysDialog = null;
1837         }
1838         if (mEnableDialog != null) {
1839             mEnableDialog.dismiss();
1840             mEnableDialog = null;
1841         }
1842     }
1843
1844     public void onClick(DialogInterface dialog, int which) {
1845         if (dialog == mAdbDialog) {
1846             if (which == DialogInterface.BUTTON_POSITIVE) {
1847                 mDialogClicked = true;
1848                 Settings.Global.putInt(getActivity().getContentResolver(),
1849                         Settings.Global.ADB_ENABLED, 1);
1850                 mVerifyAppsOverUsb.setEnabled(true);
1851                 updateVerifyAppsOverUsbOptions();
1852                 updateBugreportOptions();
1853             } else {
1854                 // Reset the toggle
1855                 mEnableAdb.setChecked(false);
1856             }
1857         } else if (dialog == mAdbKeysDialog) {
1858             if (which == DialogInterface.BUTTON_POSITIVE) {
1859                 try {
1860                     IBinder b = ServiceManager.getService(Context.USB_SERVICE);
1861                     IUsbManager service = IUsbManager.Stub.asInterface(b);
1862                     service.clearUsbDebuggingKeys();
1863                 } catch (RemoteException e) {
1864                     Log.e(TAG, "Unable to clear adb keys", e);
1865                 }
1866             }
1867         } else if (dialog == mEnableDialog) {
1868             if (which == DialogInterface.BUTTON_POSITIVE) {
1869                 mDialogClicked = true;
1870                 Settings.Global.putInt(getActivity().getContentResolver(),
1871                         Settings.Global.DEVELOPMENT_SETTINGS_ENABLED, 1);
1872                 mLastEnabledState = true;
1873                 setPrefsEnabledState(mLastEnabledState);
1874             } else {
1875                 // Reset the toggle
1876                 mSwitchBar.setChecked(false);
1877             }
1878         }
1879     }
1880
1881     public void onDismiss(DialogInterface dialog) {
1882         // Assuming that onClick gets called first
1883         if (dialog == mAdbDialog) {
1884             if (!mDialogClicked) {
1885                 mEnableAdb.setChecked(false);
1886             }
1887             mAdbDialog = null;
1888         } else if (dialog == mEnableDialog) {
1889             if (!mDialogClicked) {
1890                 mSwitchBar.setChecked(false);
1891             }
1892             mEnableDialog = null;
1893         }
1894     }
1895
1896     @Override
1897     public void onDestroy() {
1898         dismissDialogs();
1899         super.onDestroy();
1900     }
1901
1902     void pokeSystemProperties() {
1903         if (!mDontPokeProperties) {
1904             //noinspection unchecked
1905             (new SystemPropPoker()).execute();
1906         }
1907     }
1908
1909     private BroadcastReceiver mUsbReceiver = new BroadcastReceiver() {
1910         @Override
1911         public void onReceive(Context context, Intent intent) {
1912             updateUsbConfigurationValues();
1913         }
1914     };
1915
1916     static class SystemPropPoker extends AsyncTask<Void, Void, Void> {
1917         @Override
1918         protected Void doInBackground(Void... params) {
1919             String[] services;
1920             try {
1921                 services = ServiceManager.listServices();
1922             } catch (RemoteException e) {
1923                 return null;
1924             }
1925             for (String service : services) {
1926                 IBinder obj = ServiceManager.checkService(service);
1927                 if (obj != null) {
1928                     Parcel data = Parcel.obtain();
1929                     try {
1930                         obj.transact(IBinder.SYSPROPS_TRANSACTION, data, null, 0);
1931                     } catch (RemoteException e) {
1932                     } catch (Exception e) {
1933                         Log.i(TAG, "Someone wrote a bad service '" + service
1934                                 + "' that doesn't like to be poked: " + e);
1935                     }
1936                     data.recycle();
1937                 }
1938             }
1939             return null;
1940         }
1941     }
1942
1943     private static boolean isPackageInstalled(Context context, String packageName) {
1944         try {
1945             return context.getPackageManager().getPackageInfo(packageName, 0) != null;
1946         } catch (NameNotFoundException e) {
1947             return false;
1948         }
1949     }
1950
1951     /**
1952      * For Search.
1953      */
1954     public static final Indexable.SearchIndexProvider SEARCH_INDEX_DATA_PROVIDER =
1955             new BaseSearchIndexProvider() {
1956
1957                 private boolean isShowingDeveloperOptions(Context context) {
1958                     return context.getSharedPreferences(DevelopmentSettings.PREF_FILE,
1959                             Context.MODE_PRIVATE).getBoolean(
1960                                     DevelopmentSettings.PREF_SHOW,
1961                                     android.os.Build.TYPE.equals("eng"));
1962                 }
1963
1964                 @Override
1965                 public List<SearchIndexableResource> getXmlResourcesToIndex(
1966                         Context context, boolean enabled) {
1967
1968                     if (!isShowingDeveloperOptions(context)) {
1969                         return null;
1970                     }
1971
1972                     final SearchIndexableResource sir = new SearchIndexableResource(context);
1973                     sir.xmlResId = R.xml.development_prefs;
1974                     return Arrays.asList(sir);
1975                 }
1976
1977                 @Override
1978                 public List<String> getNonIndexableKeys(Context context) {
1979                     if (!isShowingDeveloperOptions(context)) {
1980                         return null;
1981                     }
1982
1983                     final List<String> keys = new ArrayList<String>();
1984                     if (!showEnableOemUnlockPreference()) {
1985                         keys.add(ENABLE_OEM_UNLOCK);
1986                     }
1987                     if (!showEnableMultiWindowPreference()) {
1988                         keys.add(ENABLE_MULTI_WINDOW_KEY);
1989                     }
1990                     return keys;
1991                 }
1992             };
1993 }