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.admin.DevicePolicyManager;
  27 import android.app.backup.IBackupManager;
  28 import android.bluetooth.BluetoothAdapter;
  29 import android.content.BroadcastReceiver;
  30 import android.content.ComponentName;
  31 import android.content.ContentResolver;
  32 import android.content.Context;
  33 import android.content.DialogInterface;
  34 import android.content.Intent;
  35 import android.content.IntentFilter;
  36 import android.content.pm.ApplicationInfo;
  37 import android.content.pm.PackageManager;
  38 import android.content.pm.PackageManager.NameNotFoundException;
  39 import android.content.pm.ResolveInfo;
  40 import android.content.res.Resources;
  41 import android.hardware.usb.IUsbManager;
  42 import android.hardware.usb.UsbManager;
  43 import android.net.wifi.WifiManager;
  44 import android.os.AsyncTask;
  45 import android.os.BatteryManager;
  46 import android.os.Build;
  47 import android.os.Bundle;
  48 import android.os.IBinder;
  49 import android.os.Parcel;
  50 import android.os.RemoteException;
  51 import android.os.ServiceManager;
  52 import android.os.StrictMode;
  53 import android.os.SystemProperties;
  54 import android.os.UserHandle;
  55 import android.os.UserManager;
  56 import android.preference.ListPreference;
  57 import android.preference.Preference;
  58 import android.preference.Preference.OnPreferenceChangeListener;
  59 import android.preference.PreferenceGroup;
  60 import android.preference.PreferenceScreen;
  61 import android.preference.SwitchPreference;
  62 import android.provider.SearchIndexableResource;
  63 import android.provider.Settings;
  64 import android.text.TextUtils;
  65 import android.util.Log;
  66 import android.view.HardwareRenderer;
  67 import android.view.IWindowManager;
  68 import android.view.LayoutInflater;
  69 import android.view.View;
  70 import android.view.ViewGroup;
  71 import android.view.accessibility.AccessibilityManager;
  72 import android.widget.Switch;
  73 import android.widget.TextView;
  74
  75 import com.android.internal.logging.MetricsLogger;
  76 import com.android.settings.fuelgauge.InactiveApps;
  77 import com.android.settings.search.BaseSearchIndexProvider;
  78 import com.android.settings.search.Indexable;
  79 import com.android.settings.widget.SwitchBar;
  80
  81 import java.util.ArrayList;
  82 import java.util.Arrays;
  83 import java.util.HashSet;
  84 import java.util.List;
  85
  86 /*
  87  * Displays preferences for application developers.
  88  */
  89 public class DevelopmentSettings extends SettingsPreferenceFragment
  90         implements DialogInterface.OnClickListener, DialogInterface.OnDismissListener,
  91                 OnPreferenceChangeListener, SwitchBar.OnSwitchChangeListener, Indexable {
  92     private static final String TAG = "DevelopmentSettings";
  93
  94     /**
  95      * Preference file were development settings prefs are stored.
  96      */
  97     public static final String PREF_FILE = "development";
  98
  99     /**
 100      * Whether to show the development settings to the user.  Default is false.
 101      */
 102     public static final String PREF_SHOW = "show";
 103
 104     private static final String ENABLE_ADB = "enable_adb";
 105     private static final String CLEAR_ADB_KEYS = "clear_adb_keys";
 106     private static final String ENABLE_TERMINAL = "enable_terminal";
 107     private static final String KEEP_SCREEN_ON = "keep_screen_on";
 108     private static final String BT_HCI_SNOOP_LOG = "bt_hci_snoop_log";
 109     private static final String ENABLE_OEM_UNLOCK = "oem_unlock_enable";
 110     private static final String HDCP_CHECKING_KEY = "hdcp_checking";
 111     private static final String HDCP_CHECKING_PROPERTY = "persist.sys.hdcp_checking";
 112     private static final String LOCAL_BACKUP_PASSWORD = "local_backup_password";
 113     private static final String HARDWARE_UI_PROPERTY = "persist.sys.ui.hw";
 114     private static final String MSAA_PROPERTY = "debug.egl.force_msaa";
 115     private static final String BUGREPORT = "bugreport";
 116     private static final String BUGREPORT_IN_POWER_KEY = "bugreport_in_power";
 117     private static final String OPENGL_TRACES_PROPERTY = "debug.egl.trace";
 118     private static final String TUNER_UI_KEY = "tuner_ui";
 119
 120     private static final String DEBUG_APP_KEY = "debug_app";
 121     private static final String WAIT_FOR_DEBUGGER_KEY = "wait_for_debugger";
 122     private static final String MOCK_LOCATION_APP_KEY = "mock_location_app";
 123     private static final String VERIFY_APPS_OVER_USB_KEY = "verify_apps_over_usb";
 124     private static final String DEBUG_VIEW_ATTRIBUTES =  "debug_view_attributes";
 125     private static final String STRICT_MODE_KEY = "strict_mode";
 126     private static final String POINTER_LOCATION_KEY = "pointer_location";
 127     private static final String SHOW_TOUCHES_KEY = "show_touches";
 128     private static final String SHOW_SCREEN_UPDATES_KEY = "show_screen_updates";
 129     private static final String DISABLE_OVERLAYS_KEY = "disable_overlays";
 130     private static final String SIMULATE_COLOR_SPACE = "simulate_color_space";
 131     private static final String USB_AUDIO_KEY = "usb_audio";
 132     private static final String SHOW_CPU_USAGE_KEY = "show_cpu_usage";
 133     private static final String FORCE_HARDWARE_UI_KEY = "force_hw_ui";
 134     private static final String FORCE_MSAA_KEY = "force_msaa";
 135     private static final String TRACK_FRAME_TIME_KEY = "track_frame_time";
 136     private static final String SHOW_NON_RECTANGULAR_CLIP_KEY = "show_non_rect_clip";
 137     private static final String SHOW_HW_SCREEN_UPDATES_KEY = "show_hw_screen_udpates";
 138     private static final String SHOW_HW_LAYERS_UPDATES_KEY = "show_hw_layers_udpates";
 139     private static final String DEBUG_HW_OVERDRAW_KEY = "debug_hw_overdraw";
 140     private static final String DEBUG_LAYOUT_KEY = "debug_layout";
 141     private static final String FORCE_RTL_LAYOUT_KEY = "force_rtl_layout_all_locales";
 142     private static final String WINDOW_ANIMATION_SCALE_KEY = "window_animation_scale";
 143     private static final String TRANSITION_ANIMATION_SCALE_KEY = "transition_animation_scale";
 144     private static final String ANIMATOR_DURATION_SCALE_KEY = "animator_duration_scale";
 145     private static final String OVERLAY_DISPLAY_DEVICES_KEY = "overlay_display_devices";
 146     private static final String ENABLE_MULTI_WINDOW_KEY = "enable_multi_window";
 147     private static final String DEBUG_DEBUGGING_CATEGORY_KEY = "debug_debugging_category";
 148     private static final String SELECT_LOGD_SIZE_KEY = "select_logd_size";
 149     private static final String SELECT_LOGD_SIZE_PROPERTY = "persist.logd.size";
 150     private static final String SELECT_LOGD_TAG_PROPERTY = "persist.log.tag";
 151     private static final String SELECT_LOGD_DEFAULT_SIZE_PROPERTY = "ro.logd.size";
 152
 153     private static final String WIFI_DISPLAY_CERTIFICATION_KEY = "wifi_display_certification";
 154     private static final String WIFI_VERBOSE_LOGGING_KEY = "wifi_verbose_logging";
 155     private static final String WIFI_AGGRESSIVE_HANDOVER_KEY = "wifi_aggressive_handover";
 156     private static final String WIFI_ALLOW_SCAN_WITH_TRAFFIC_KEY = "wifi_allow_scan_with_traffic";
 157     private static final String USB_CONFIGURATION_KEY = "select_usb_configuration";
 158     private static final String WIFI_LEGACY_DHCP_CLIENT_KEY = "legacy_dhcp_client";
 159     private static final String MOBILE_DATA_ALWAYS_ON = "mobile_data_always_on";
 160     private static final String KEY_COLOR_MODE = "color_mode";
 161
 162     private static final String INACTIVE_APPS_KEY = "inactive_apps";
 163
 164     private static final String OPENGL_TRACES_KEY = "enable_opengl_traces";
 165
 166     private static final String IMMEDIATELY_DESTROY_ACTIVITIES_KEY
 167             = "immediately_destroy_activities";
 168     private static final String APP_PROCESS_LIMIT_KEY = "app_process_limit";
 169
 170     private static final String SHOW_ALL_ANRS_KEY = "show_all_anrs";
 171
 172     private static final String PACKAGE_MIME_TYPE = "application/vnd.android.package-archive";
 173
 174     private static final String TERMINAL_APP_PACKAGE = "com.android.terminal";
 175
 176     private static final int RESULT_DEBUG_APP = 1000;
 177     private static final int RESULT_MOCK_LOCATION_APP = 1001;
 178
 179     private static final String PERSISTENT_DATA_BLOCK_PROP = "ro.frp.pst";
 180
 181     private static final int REQUEST_CODE_ENABLE_OEM_UNLOCK = 0;
 182
 183     private static String DEFAULT_LOG_RING_BUFFER_SIZE_IN_BYTES = "262144"; // 256K
 184
 185     private static final int[] MOCK_LOCATION_APP_OPS = new int[] {AppOpsManager.OP_MOCK_LOCATION};
 186
 187     private static final String MULTI_WINDOW_SYSTEM_PROPERTY = "persist.sys.debug.multi_window";
 188     private IWindowManager mWindowManager;
 189     private IBackupManager mBackupManager;
 190     private DevicePolicyManager mDpm;
 191     private UserManager mUm;
 192     private WifiManager mWifiManager;
 193
 194     private SwitchBar mSwitchBar;
 195     private boolean mLastEnabledState;
 196     private boolean mHaveDebugSettings;
 197     private boolean mDontPokeProperties;
 198
 199     private SwitchPreference mEnableAdb;
 200     private Preference mClearAdbKeys;
 201     private SwitchPreference mEnableTerminal;
 202     private Preference mBugreport;
 203     private SwitchPreference mBugreportInPower;
 204     private SwitchPreference mKeepScreenOn;
 205     private SwitchPreference mBtHciSnoopLog;
 206     private SwitchPreference mEnableOemUnlock;
 207     private SwitchPreference mDebugViewAttributes;
 208
 209     private PreferenceScreen mPassword;
 210     private String mDebugApp;
 211     private Preference mDebugAppPref;
 212
 213     private String mMockLocationApp;
 214     private Preference mMockLocationAppPref;
 215
 216     private SwitchPreference mWaitForDebugger;
 217     private SwitchPreference mVerifyAppsOverUsb;
 218     private SwitchPreference mWifiDisplayCertification;
 219     private SwitchPreference mWifiVerboseLogging;
 220     private SwitchPreference mWifiAggressiveHandover;
 221     private SwitchPreference mLegacyDhcpClient;
 222     private SwitchPreference mMobileDataAlwaysOn;
 223
 224     private SwitchPreference mWifiAllowScansWithTraffic;
 225     private SwitchPreference mStrictMode;
 226     private SwitchPreference mPointerLocation;
 227     private SwitchPreference mShowTouches;
 228     private SwitchPreference mShowScreenUpdates;
 229     private SwitchPreference mDisableOverlays;
 230     private SwitchPreference mEnableMultiWindow;
 231     private SwitchPreference mShowCpuUsage;
 232     private SwitchPreference mForceHardwareUi;
 233     private SwitchPreference mForceMsaa;
 234     private SwitchPreference mShowHwScreenUpdates;
 235     private SwitchPreference mShowHwLayersUpdates;
 236     private SwitchPreference mDebugLayout;
 237     private SwitchPreference mForceRtlLayout;
 238     private ListPreference mDebugHwOverdraw;
 239     private ListPreference mLogdSize;
 240     private ListPreference mUsbConfiguration;
 241     private ListPreference mTrackFrameTime;
 242     private ListPreference mShowNonRectClip;
 243     private ListPreference mWindowAnimationScale;
 244     private ListPreference mTransitionAnimationScale;
 245     private ListPreference mAnimatorDurationScale;
 246     private ListPreference mOverlayDisplayDevices;
 247     private ListPreference mOpenGLTraces;
 248
 249     private ListPreference mSimulateColorSpace;
 250
 251     private SwitchPreference mUSBAudio;
 252     private SwitchPreference mImmediatelyDestroyActivities;
 253
 254     private ListPreference mAppProcessLimit;
 255
 256     private SwitchPreference mShowAllANRs;
 257
 258     private ColorModePreference mColorModePreference;
 259
 260     private final ArrayList<Preference> mAllPrefs = new ArrayList<Preference>();
 261
 262     private final ArrayList<SwitchPreference> mResetSwitchPrefs
 263             = new ArrayList<SwitchPreference>();
 264
 265     private final HashSet<Preference> mDisabledPrefs = new HashSet<Preference>();
 266     // To track whether a confirmation dialog was clicked.
 267     private boolean mDialogClicked;
 268     private Dialog mEnableDialog;
 269     private Dialog mAdbDialog;
 270
 271     private Dialog mAdbKeysDialog;
 272     private boolean mUnavailable;
 273
 274     @Override
 275     protected int getMetricsCategory() {
 276         return MetricsLogger.DEVELOPMENT;
 277     }
 278
 279     @Override
 280     public void onCreate(Bundle icicle) {
 281         super.onCreate(icicle);
 282
 283         mWindowManager = IWindowManager.Stub.asInterface(ServiceManager.getService("window"));
 284         mBackupManager = IBackupManager.Stub.asInterface(
 285                 ServiceManager.getService(Context.BACKUP_SERVICE));
 286         mDpm = (DevicePolicyManager)getActivity().getSystemService(Context.DEVICE_POLICY_SERVICE);
 287         mUm = (UserManager) getSystemService(Context.USER_SERVICE);
 288
 289         mWifiManager = (WifiManager) getSystemService(Context.WIFI_SERVICE);
 290
 291         if (android.os.Process.myUserHandle().getIdentifier() != UserHandle.USER_OWNER
 292                 || mUm.hasUserRestriction(UserManager.DISALLOW_DEBUGGING_FEATURES)
 293                 || Settings.Global.getInt(getActivity().getContentResolver(),
 294                         Settings.Global.DEVICE_PROVISIONED, 0) == 0) {
 295             // Block access to developer options if the user is not the owner, if user policy
 296             // restricts it, or if the device has not been provisioned
 297             mUnavailable = true;
 298             setPreferenceScreen(new PreferenceScreen(getActivity(), null));
 299             return;
 300         }
 301
 302         addPreferencesFromResource(R.xml.development_prefs);
 303
 304         final PreferenceGroup debugDebuggingCategory = (PreferenceGroup)
 305                 findPreference(DEBUG_DEBUGGING_CATEGORY_KEY);
 306         mEnableAdb = findAndInitSwitchPref(ENABLE_ADB);
 307         mClearAdbKeys = findPreference(CLEAR_ADB_KEYS);
 308         if (!SystemProperties.getBoolean("ro.adb.secure", false)) {
 309             if (debugDebuggingCategory != null) {
 310                 debugDebuggingCategory.removePreference(mClearAdbKeys);
 311             }
 312         }
 313         mAllPrefs.add(mClearAdbKeys);
 314         mEnableTerminal = findAndInitSwitchPref(ENABLE_TERMINAL);
 315         if (!isPackageInstalled(getActivity(), TERMINAL_APP_PACKAGE)) {
 316             debugDebuggingCategory.removePreference(mEnableTerminal);
 317             mEnableTerminal = null;
 318         }
 319
 320         mBugreport = findPreference(BUGREPORT);
 321         mBugreportInPower = findAndInitSwitchPref(BUGREPORT_IN_POWER_KEY);
 322         mKeepScreenOn = findAndInitSwitchPref(KEEP_SCREEN_ON);
 323         mBtHciSnoopLog = findAndInitSwitchPref(BT_HCI_SNOOP_LOG);
 324         mEnableOemUnlock = findAndInitSwitchPref(ENABLE_OEM_UNLOCK);
 325         if (!showEnableOemUnlockPreference()) {
 326             removePreference(mEnableOemUnlock);
 327             mEnableOemUnlock = null;
 328         }
 329
 330         mDebugViewAttributes = findAndInitSwitchPref(DEBUG_VIEW_ATTRIBUTES);
 331         mPassword = (PreferenceScreen) findPreference(LOCAL_BACKUP_PASSWORD);
 332         mAllPrefs.add(mPassword);
 333
 334
 335         if (!android.os.Process.myUserHandle().equals(UserHandle.OWNER)) {
 336             disableForUser(mEnableAdb);
 337             disableForUser(mClearAdbKeys);
 338             disableForUser(mEnableTerminal);
 339             disableForUser(mPassword);
 340         }
 341
 342         mDebugAppPref = findPreference(DEBUG_APP_KEY);
 343         mAllPrefs.add(mDebugAppPref);
 344         mWaitForDebugger = findAndInitSwitchPref(WAIT_FOR_DEBUGGER_KEY);
 345
 346         mMockLocationAppPref = findPreference(MOCK_LOCATION_APP_KEY);
 347         mAllPrefs.add(mMockLocationAppPref);
 348
 349         mVerifyAppsOverUsb = findAndInitSwitchPref(VERIFY_APPS_OVER_USB_KEY);
 350         if (!showVerifierSetting()) {
 351             if (debugDebuggingCategory != null) {
 352                 debugDebuggingCategory.removePreference(mVerifyAppsOverUsb);
 353             } else {
 354                 mVerifyAppsOverUsb.setEnabled(false);
 355             }
 356         }
 357         mStrictMode = findAndInitSwitchPref(STRICT_MODE_KEY);
 358         mPointerLocation = findAndInitSwitchPref(POINTER_LOCATION_KEY);
 359         mShowTouches = findAndInitSwitchPref(SHOW_TOUCHES_KEY);
 360         mShowScreenUpdates = findAndInitSwitchPref(SHOW_SCREEN_UPDATES_KEY);
 361         mDisableOverlays = findAndInitSwitchPref(DISABLE_OVERLAYS_KEY);
 362         mShowCpuUsage = findAndInitSwitchPref(SHOW_CPU_USAGE_KEY);
 363         mForceHardwareUi = findAndInitSwitchPref(FORCE_HARDWARE_UI_KEY);
 364         mForceMsaa = findAndInitSwitchPref(FORCE_MSAA_KEY);
 365         mTrackFrameTime = addListPreference(TRACK_FRAME_TIME_KEY);
 366         mShowNonRectClip = addListPreference(SHOW_NON_RECTANGULAR_CLIP_KEY);
 367         mShowHwScreenUpdates = findAndInitSwitchPref(SHOW_HW_SCREEN_UPDATES_KEY);
 368         mShowHwLayersUpdates = findAndInitSwitchPref(SHOW_HW_LAYERS_UPDATES_KEY);
 369         mDebugLayout = findAndInitSwitchPref(DEBUG_LAYOUT_KEY);
 370         mForceRtlLayout = findAndInitSwitchPref(FORCE_RTL_LAYOUT_KEY);
 371         mDebugHwOverdraw = addListPreference(DEBUG_HW_OVERDRAW_KEY);
 372         mWifiDisplayCertification = findAndInitSwitchPref(WIFI_DISPLAY_CERTIFICATION_KEY);
 373         mWifiVerboseLogging = findAndInitSwitchPref(WIFI_VERBOSE_LOGGING_KEY);
 374         mWifiAggressiveHandover = findAndInitSwitchPref(WIFI_AGGRESSIVE_HANDOVER_KEY);
 375         mWifiAllowScansWithTraffic = findAndInitSwitchPref(WIFI_ALLOW_SCAN_WITH_TRAFFIC_KEY);
 376         mLegacyDhcpClient = findAndInitSwitchPref(WIFI_LEGACY_DHCP_CLIENT_KEY);
 377         mMobileDataAlwaysOn = findAndInitSwitchPref(MOBILE_DATA_ALWAYS_ON);
 378         mLogdSize = addListPreference(SELECT_LOGD_SIZE_KEY);
 379         mUsbConfiguration = addListPreference(USB_CONFIGURATION_KEY);
 380
 381         mWindowAnimationScale = addListPreference(WINDOW_ANIMATION_SCALE_KEY);
 382         mTransitionAnimationScale = addListPreference(TRANSITION_ANIMATION_SCALE_KEY);
 383         mAnimatorDurationScale = addListPreference(ANIMATOR_DURATION_SCALE_KEY);
 384         mOverlayDisplayDevices = addListPreference(OVERLAY_DISPLAY_DEVICES_KEY);
 385         mEnableMultiWindow = findAndInitSwitchPref(ENABLE_MULTI_WINDOW_KEY);
 386         if (!showEnableMultiWindowPreference()) {
 387             final PreferenceGroup drawingGroup =
 388                     (PreferenceGroup)findPreference("debug_drawing_category");
 389             if (drawingGroup != null) {
 390                 drawingGroup.removePreference(mEnableMultiWindow);
 391             } else {
 392                 mEnableMultiWindow.setEnabled(false);
 393             }
 394             removePreference(mEnableMultiWindow);
 395             mEnableMultiWindow = null;
 396         }
 397         mOpenGLTraces = addListPreference(OPENGL_TRACES_KEY);
 398         mSimulateColorSpace = addListPreference(SIMULATE_COLOR_SPACE);
 399         mUSBAudio = findAndInitSwitchPref(USB_AUDIO_KEY);
 400
 401         mImmediatelyDestroyActivities = (SwitchPreference) findPreference(
 402                 IMMEDIATELY_DESTROY_ACTIVITIES_KEY);
 403         mAllPrefs.add(mImmediatelyDestroyActivities);
 404         mResetSwitchPrefs.add(mImmediatelyDestroyActivities);
 405
 406         mAppProcessLimit = addListPreference(APP_PROCESS_LIMIT_KEY);
 407
 408         mShowAllANRs = (SwitchPreference) findPreference(
 409                 SHOW_ALL_ANRS_KEY);
 410         mAllPrefs.add(mShowAllANRs);
 411         mResetSwitchPrefs.add(mShowAllANRs);
 412
 413         Preference hdcpChecking = findPreference(HDCP_CHECKING_KEY);
 414         if (hdcpChecking != null) {
 415             mAllPrefs.add(hdcpChecking);
 416             removePreferenceForProduction(hdcpChecking);
 417         }
 418
 419         mColorModePreference = (ColorModePreference) findPreference(KEY_COLOR_MODE);
 420         mColorModePreference.updateCurrentAndSupported();
 421         if (mColorModePreference.getTransformsCount() < 2) {
 422             removePreference(KEY_COLOR_MODE);
 423             mColorModePreference = null;
 424         }
 425     }
 426
 427     private ListPreference addListPreference(String prefKey) {
 428         ListPreference pref = (ListPreference) findPreference(prefKey);
 429         mAllPrefs.add(pref);
 430         pref.setOnPreferenceChangeListener(this);
 431         return pref;
 432     }
 433
 434     private void disableForUser(Preference pref) {
 435         if (pref != null) {
 436             pref.setEnabled(false);
 437             mDisabledPrefs.add(pref);
 438         }
 439     }
 440
 441     private SwitchPreference findAndInitSwitchPref(String key) {
 442         SwitchPreference pref = (SwitchPreference) findPreference(key);
 443         if (pref == null) {
 444             throw new IllegalArgumentException("Cannot find preference with key = " + key);
 445         }
 446         mAllPrefs.add(pref);
 447         mResetSwitchPrefs.add(pref);
 448         return pref;
 449     }
 450
 451     @Override
 452     public void onActivityCreated(Bundle savedInstanceState) {
 453         super.onActivityCreated(savedInstanceState);
 454
 455         final SettingsActivity activity = (SettingsActivity) getActivity();
 456
 457         mSwitchBar = activity.getSwitchBar();
 458        if (mUnavailable) {
 459             mSwitchBar.setEnabled(false);
 460             return;
 461         }
 462
 463         mSwitchBar.addOnSwitchChangeListener(this);
 464     }
 465
 466     private boolean removePreferenceForProduction(Preference preference) {
 467         if ("user".equals(Build.TYPE)) {
 468             removePreference(preference);
 469             return true;
 470         }
 471         return false;
 472     }
 473
 474     private void removePreference(Preference preference) {
 475         getPreferenceScreen().removePreference(preference);
 476         mAllPrefs.remove(preference);
 477         mResetSwitchPrefs.remove(preference);
 478     }
 479
 480     private void setPrefsEnabledState(boolean enabled) {
 481         for (int i = 0; i < mAllPrefs.size(); i++) {
 482             Preference pref = mAllPrefs.get(i);
 483             pref.setEnabled(enabled && !mDisabledPrefs.contains(pref));
 484         }
 485         updateAllOptions();
 486     }
 487
 488     @Override
 489     public void onResume() {
 490         super.onResume();
 491
 492         if (mUnavailable) {
 493             // Show error message
 494             TextView emptyView = (TextView) getView().findViewById(android.R.id.empty);
 495             getListView().setEmptyView(emptyView);
 496             if (emptyView != null) {
 497                 emptyView.setText(R.string.development_settings_not_available);
 498             }
 499             return;
 500         }
 501
 502         if (mDpm.getMaximumTimeToLock(null) > 0) {
 503             // A DeviceAdmin has specified a maximum time until the device
 504             // will lock...  in this case we can't allow the user to turn
 505             // on "stay awake when plugged in" because that would defeat the
 506             // restriction.
 507             mDisabledPrefs.add(mKeepScreenOn);
 508         } else {
 509             mDisabledPrefs.remove(mKeepScreenOn);
 510         }
 511
 512         final ContentResolver cr = getActivity().getContentResolver();
 513         mLastEnabledState = Settings.Global.getInt(cr,
 514                 Settings.Global.DEVELOPMENT_SETTINGS_ENABLED, 0) != 0;
 515         mSwitchBar.setChecked(mLastEnabledState);
 516         setPrefsEnabledState(mLastEnabledState);
 517
 518         if (mHaveDebugSettings && !mLastEnabledState) {
 519             // Overall debugging is disabled, but there are some debug
 520             // settings that are enabled.  This is an invalid state.  Switch
 521             // to debug settings being enabled, so the user knows there is
 522             // stuff enabled and can turn it all off if they want.
 523             Settings.Global.putInt(getActivity().getContentResolver(),
 524                     Settings.Global.DEVELOPMENT_SETTINGS_ENABLED, 1);
 525             mLastEnabledState = true;
 526             mSwitchBar.setChecked(mLastEnabledState);
 527             setPrefsEnabledState(mLastEnabledState);
 528         }
 529         mSwitchBar.show();
 530
 531         if (mColorModePreference != null) {
 532             mColorModePreference.startListening();
 533             mColorModePreference.updateCurrentAndSupported();
 534         }
 535     }
 536
 537     @Override
 538     public void onPause() {
 539         super.onPause();
 540         if (mColorModePreference != null) {
 541             mColorModePreference.stopListening();
 542         }
 543     }
 544
 545     @Override
 546     public View onCreateView(LayoutInflater inflater, ViewGroup container,
 547             Bundle savedInstanceState) {
 548         IntentFilter filter = new IntentFilter();
 549         filter.addAction(UsbManager.ACTION_USB_STATE);
 550         getActivity().registerReceiver(mUsbReceiver, filter);
 551         return super.onCreateView(inflater, container, savedInstanceState);
 552     }
 553
 554     @Override
 555     public void onDestroyView() {
 556         super.onDestroyView();
 557
 558         if (mUnavailable) {
 559             return;
 560         }
 561         mSwitchBar.removeOnSwitchChangeListener(this);
 562         mSwitchBar.hide();
 563         getActivity().unregisterReceiver(mUsbReceiver);
 564     }
 565
 566     void updateSwitchPreference(SwitchPreference switchPreference, boolean value) {
 567         switchPreference.setChecked(value);
 568         mHaveDebugSettings |= value;
 569     }
 570
 571     private void updateAllOptions() {
 572         final Context context = getActivity();
 573         final ContentResolver cr = context.getContentResolver();
 574         mHaveDebugSettings = false;
 575         updateSwitchPreference(mEnableAdb, Settings.Global.getInt(cr,
 576                 Settings.Global.ADB_ENABLED, 0) != 0);
 577         if (mEnableTerminal != null) {
 578             updateSwitchPreference(mEnableTerminal,
 579                     context.getPackageManager().getApplicationEnabledSetting(TERMINAL_APP_PACKAGE)
 580                             == PackageManager.COMPONENT_ENABLED_STATE_ENABLED);
 581         }
 582         updateSwitchPreference(mBugreportInPower, Settings.Secure.getInt(cr,
 583                 Settings.Secure.BUGREPORT_IN_POWER_MENU, 0) != 0);
 584         updateSwitchPreference(mKeepScreenOn, Settings.Global.getInt(cr,
 585                 Settings.Global.STAY_ON_WHILE_PLUGGED_IN, 0) != 0);
 586         updateSwitchPreference(mBtHciSnoopLog, Settings.Secure.getInt(cr,
 587                 Settings.Secure.BLUETOOTH_HCI_LOG, 0) != 0);
 588         if (mEnableOemUnlock != null) {
 589             updateSwitchPreference(mEnableOemUnlock, Utils.isOemUnlockEnabled(getActivity()));
 590         }
 591         updateSwitchPreference(mDebugViewAttributes, Settings.Global.getInt(cr,
 592                 Settings.Global.DEBUG_VIEW_ATTRIBUTES, 0) != 0);
 593         updateHdcpValues();
 594         updatePasswordSummary();
 595         updateDebuggerOptions();
 596         updateMockLocation();
 597         updateStrictModeVisualOptions();
 598         updatePointerLocationOptions();
 599         updateShowTouchesOptions();
 600         updateFlingerOptions();
 601         updateCpuUsageOptions();
 602         updateHardwareUiOptions();
 603         updateMsaaOptions();
 604         updateTrackFrameTimeOptions();
 605         updateShowNonRectClipOptions();
 606         updateShowHwScreenUpdatesOptions();
 607         updateShowHwLayersUpdatesOptions();
 608         updateDebugHwOverdrawOptions();
 609         updateDebugLayoutOptions();
 610         updateAnimationScaleOptions();
 611         updateOverlayDisplayDevicesOptions();
 612         if (mEnableMultiWindow != null) {
 613             updateSwitchPreference(mEnableMultiWindow,
 614                     SystemProperties.getBoolean(MULTI_WINDOW_SYSTEM_PROPERTY, false));
 615         }
 616         updateOpenGLTracesOptions();
 617         updateImmediatelyDestroyActivitiesOptions();
 618         updateAppProcessLimitOptions();
 619         updateShowAllANRsOptions();
 620         updateVerifyAppsOverUsbOptions();
 621         updateBugreportOptions();
 622         updateForceRtlOptions();
 623         updateLogdSizeValues();
 624         updateWifiDisplayCertificationOptions();
 625         updateWifiVerboseLoggingOptions();
 626         updateWifiAggressiveHandoverOptions();
 627         updateWifiAllowScansWithTrafficOptions();
 628         updateLegacyDhcpClientOptions();
 629         updateMobileDataAlwaysOnOptions();
 630         updateSimulateColorSpace();
 631         updateUSBAudioOptions();
 632     }
 633
 634     private void resetDangerousOptions() {
 635         mDontPokeProperties = true;
 636         for (int i=0; i< mResetSwitchPrefs.size(); i++) {
 637             SwitchPreference cb = mResetSwitchPrefs.get(i);
 638             if (cb.isChecked()) {
 639                 cb.setChecked(false);
 640                 onPreferenceTreeClick(null, cb);
 641             }
 642         }
 643         resetDebuggerOptions();
 644         writeLogdSizeOption(null);
 645         writeAnimationScaleOption(0, mWindowAnimationScale, null);
 646         writeAnimationScaleOption(1, mTransitionAnimationScale, null);
 647         writeAnimationScaleOption(2, mAnimatorDurationScale, null);
 648         // Only poke the color space setting if we control it.
 649         if (usingDevelopmentColorSpace()) {
 650             writeSimulateColorSpace(-1);
 651         }
 652         writeOverlayDisplayDevicesOptions(null);
 653         writeAppProcessLimitOptions(null);
 654         mHaveDebugSettings = false;
 655         updateAllOptions();
 656         mDontPokeProperties = false;
 657         pokeSystemProperties();
 658     }
 659
 660     private void updateHdcpValues() {
 661         ListPreference hdcpChecking = (ListPreference) findPreference(HDCP_CHECKING_KEY);
 662         if (hdcpChecking != null) {
 663             String currentValue = SystemProperties.get(HDCP_CHECKING_PROPERTY);
 664             String[] values = getResources().getStringArray(R.array.hdcp_checking_values);
 665             String[] summaries = getResources().getStringArray(R.array.hdcp_checking_summaries);
 666             int index = 1; // Defaults to drm-only. Needs to match with R.array.hdcp_checking_values
 667             for (int i = 0; i < values.length; i++) {
 668                 if (currentValue.equals(values[i])) {
 669                     index = i;
 670                     break;
 671                 }
 672             }
 673             hdcpChecking.setValue(values[index]);
 674             hdcpChecking.setSummary(summaries[index]);
 675             hdcpChecking.setOnPreferenceChangeListener(this);
 676         }
 677     }
 678
 679     private void updatePasswordSummary() {
 680         try {
 681             if (mBackupManager.hasBackupPassword()) {
 682                 mPassword.setSummary(R.string.local_backup_password_summary_change);
 683             } else {
 684                 mPassword.setSummary(R.string.local_backup_password_summary_none);
 685             }
 686         } catch (RemoteException e) {
 687             // Not much we can do here
 688         }
 689     }
 690
 691     private void writeBtHciSnoopLogOptions() {
 692         BluetoothAdapter adapter = BluetoothAdapter.getDefaultAdapter();
 693         adapter.configHciSnoopLog(mBtHciSnoopLog.isChecked());
 694         Settings.Secure.putInt(getActivity().getContentResolver(),
 695                 Settings.Secure.BLUETOOTH_HCI_LOG,
 696                 mBtHciSnoopLog.isChecked() ? 1 : 0);
 697     }
 698
 699     private void writeDebuggerOptions() {
 700         try {
 701             ActivityManagerNative.getDefault().setDebugApp(
 702                 mDebugApp, mWaitForDebugger.isChecked(), true);
 703         } catch (RemoteException ex) {
 704         }
 705     }
 706
 707     private void writeMockLocation() {
 708         AppOpsManager appOpsManager = (AppOpsManager) getSystemService(Context.APP_OPS_SERVICE);
 709
 710         // Disable the app op of the previous mock location app if such.
 711         List<PackageOps> packageOps = appOpsManager.getPackagesForOps(MOCK_LOCATION_APP_OPS);
 712         if (packageOps != null) {
 713             // Should be one but in case we are in a bad state due to use of command line tools.
 714             for (PackageOps packageOp : packageOps) {
 715                 if (packageOp.getOps().get(0).getMode() != AppOpsManager.MODE_ERRORED) {
 716                     String oldMockLocationApp = packageOp.getPackageName();
 717                     try {
 718                         ApplicationInfo ai = getActivity().getPackageManager().getApplicationInfo(
 719                                 oldMockLocationApp, PackageManager.GET_DISABLED_COMPONENTS);
 720                         appOpsManager.setMode(AppOpsManager.OP_MOCK_LOCATION, ai.uid,
 721                                 oldMockLocationApp, AppOpsManager.MODE_ERRORED);
 722                     } catch (NameNotFoundException e) {
 723                         /* ignore */
 724                     }
 725                 }
 726             }
 727         }
 728
 729         // Enable the app op of the new mock location app if such.
 730         if (!TextUtils.isEmpty(mMockLocationApp)) {
 731             try {
 732                 ApplicationInfo ai = getActivity().getPackageManager().getApplicationInfo(
 733                         mMockLocationApp, PackageManager.GET_DISABLED_COMPONENTS);
 734                 appOpsManager.setMode(AppOpsManager.OP_MOCK_LOCATION, ai.uid,
 735                         mMockLocationApp, AppOpsManager.MODE_ALLOWED);
 736             } catch (NameNotFoundException e) {
 737                 /* ignore */
 738             }
 739         }
 740     }
 741
 742     private static void resetDebuggerOptions() {
 743         try {
 744             ActivityManagerNative.getDefault().setDebugApp(
 745                     null, false, true);
 746         } catch (RemoteException ex) {
 747         }
 748     }
 749
 750     private void updateDebuggerOptions() {
 751         mDebugApp = Settings.Global.getString(
 752                 getActivity().getContentResolver(), Settings.Global.DEBUG_APP);
 753         updateSwitchPreference(mWaitForDebugger, Settings.Global.getInt(
 754                 getActivity().getContentResolver(), Settings.Global.WAIT_FOR_DEBUGGER, 0) != 0);
 755         if (mDebugApp != null && mDebugApp.length() > 0) {
 756             String label;
 757             try {
 758                 ApplicationInfo ai = getActivity().getPackageManager().getApplicationInfo(mDebugApp,
 759                         PackageManager.GET_DISABLED_COMPONENTS);
 760                 CharSequence lab = getActivity().getPackageManager().getApplicationLabel(ai);
 761                 label = lab != null ? lab.toString() : mDebugApp;
 762             } catch (PackageManager.NameNotFoundException e) {
 763                 label = mDebugApp;
 764             }
 765             mDebugAppPref.setSummary(getResources().getString(R.string.debug_app_set, label));
 766             mWaitForDebugger.setEnabled(true);
 767             mHaveDebugSettings = true;
 768         } else {
 769             mDebugAppPref.setSummary(getResources().getString(R.string.debug_app_not_set));
 770             mWaitForDebugger.setEnabled(false);
 771         }
 772     }
 773
 774     private void updateMockLocation() {
 775         AppOpsManager appOpsManager = (AppOpsManager) getSystemService(Context.APP_OPS_SERVICE);
 776
 777         List<PackageOps> packageOps = appOpsManager.getPackagesForOps(MOCK_LOCATION_APP_OPS);
 778         if (packageOps != null) {
 779             for (PackageOps packageOp : packageOps) {
 780                 if (packageOp.getOps().get(0).getMode() == AppOpsManager.MODE_ALLOWED) {
 781                     mMockLocationApp = packageOps.get(0).getPackageName();
 782                     break;
 783                 }
 784             }
 785         }
 786
 787         if (!TextUtils.isEmpty(mMockLocationApp)) {
 788             String label = mMockLocationApp;
 789             try {
 790                 ApplicationInfo ai = getActivity().getPackageManager().getApplicationInfo(
 791                         mMockLocationApp, PackageManager.GET_DISABLED_COMPONENTS);
 792                 CharSequence appLabel = getPackageManager().getApplicationLabel(ai);
 793                 if (appLabel != null) {
 794                     label = appLabel.toString();
 795                 }
 796             } catch (PackageManager.NameNotFoundException e) {
 797                 /* ignore */
 798             }
 799
 800             mMockLocationAppPref.setSummary(getString(R.string.mock_location_app_set, label));
 801             mHaveDebugSettings = true;
 802         } else {
 803             mMockLocationAppPref.setSummary(getString(R.string.mock_location_app_not_set));
 804         }
 805     }
 806
 807     private void updateVerifyAppsOverUsbOptions() {
 808         updateSwitchPreference(mVerifyAppsOverUsb, Settings.Global.getInt(getActivity().getContentResolver(),
 809                 Settings.Global.PACKAGE_VERIFIER_INCLUDE_ADB, 1) != 0);
 810         mVerifyAppsOverUsb.setEnabled(enableVerifierSetting());
 811     }
 812
 813     private void writeVerifyAppsOverUsbOptions() {
 814         Settings.Global.putInt(getActivity().getContentResolver(),
 815               Settings.Global.PACKAGE_VERIFIER_INCLUDE_ADB, mVerifyAppsOverUsb.isChecked() ? 1 : 0);
 816     }
 817
 818     private boolean enableVerifierSetting() {
 819         final ContentResolver cr = getActivity().getContentResolver();
 820         if (Settings.Global.getInt(cr, Settings.Global.ADB_ENABLED, 0) == 0) {
 821             return false;
 822         }
 823         if (Settings.Global.getInt(cr, Settings.Global.PACKAGE_VERIFIER_ENABLE, 1) == 0) {
 824             return false;
 825         } else {
 826             final PackageManager pm = getActivity().getPackageManager();
 827             final Intent verification = new Intent(Intent.ACTION_PACKAGE_NEEDS_VERIFICATION);
 828             verification.setType(PACKAGE_MIME_TYPE);
 829             verification.addFlags(Intent.FLAG_GRANT_READ_URI_PERMISSION);
 830             final List<ResolveInfo> receivers = pm.queryBroadcastReceivers(verification, 0);
 831             if (receivers.size() == 0) {
 832                 return false;
 833             }
 834         }
 835         return true;
 836     }
 837
 838     private boolean showVerifierSetting() {
 839         return Settings.Global.getInt(getActivity().getContentResolver(),
 840                 Settings.Global.PACKAGE_VERIFIER_SETTING_VISIBLE, 1) > 0;
 841     }
 842
 843     private static boolean showEnableOemUnlockPreference() {
 844         return !SystemProperties.get(PERSISTENT_DATA_BLOCK_PROP).equals("");
 845     }
 846
 847     private static boolean showEnableMultiWindowPreference() {
 848         return !"user".equals(Build.TYPE);
 849     }
 850
 851     private void setEnableMultiWindow(boolean value) {
 852         SystemProperties.set(MULTI_WINDOW_SYSTEM_PROPERTY, String.valueOf(value));
 853         pokeSystemProperties();
 854     }
 855
 856     private void updateBugreportOptions() {
 857         final ComponentName bugreportStorageProviderComponentName =
 858                 new ComponentName("com.android.shell",
 859                         "com.android.shell.BugreportStorageProvider");
 860         if ("user".equals(Build.TYPE)) {
 861             final ContentResolver resolver = getActivity().getContentResolver();
 862             final boolean adbEnabled = Settings.Global.getInt(
 863                     resolver, Settings.Global.ADB_ENABLED, 0) != 0;
 864             if (adbEnabled) {
 865                 mBugreport.setEnabled(true);
 866                 mBugreportInPower.setEnabled(true);
 867                 getPackageManager().setComponentEnabledSetting(
 868                         bugreportStorageProviderComponentName,
 869                         PackageManager.COMPONENT_ENABLED_STATE_ENABLED, 0);
 870             } else {
 871                 mBugreport.setEnabled(false);
 872                 mBugreportInPower.setEnabled(false);
 873                 mBugreportInPower.setChecked(false);
 874                 Settings.Secure.putInt(resolver, Settings.Secure.BUGREPORT_IN_POWER_MENU, 0);
 875                 getPackageManager().setComponentEnabledSetting(
 876                         bugreportStorageProviderComponentName,
 877                         PackageManager.COMPONENT_ENABLED_STATE_DEFAULT, 0);
 878             }
 879         } else {
 880             mBugreportInPower.setEnabled(true);
 881             getPackageManager().setComponentEnabledSetting(
 882                     bugreportStorageProviderComponentName,
 883                     PackageManager.COMPONENT_ENABLED_STATE_ENABLED, 0);
 884         }
 885     }
 886
 887     // Returns the current state of the system property that controls
 888     // strictmode flashes.  One of:
 889     //    0: not explicitly set one way or another
 890     //    1: on
 891     //    2: off
 892     private static int currentStrictModeActiveIndex() {
 893         if (TextUtils.isEmpty(SystemProperties.get(StrictMode.VISUAL_PROPERTY))) {
 894             return 0;
 895         }
 896         boolean enabled = SystemProperties.getBoolean(StrictMode.VISUAL_PROPERTY, false);
 897         return enabled ? 1 : 2;
 898     }
 899
 900     private void writeStrictModeVisualOptions() {
 901         try {
 902             mWindowManager.setStrictModeVisualIndicatorPreference(mStrictMode.isChecked()
 903                     ? "1" : "");
 904         } catch (RemoteException e) {
 905         }
 906     }
 907
 908     private void updateStrictModeVisualOptions() {
 909         updateSwitchPreference(mStrictMode, currentStrictModeActiveIndex() == 1);
 910     }
 911
 912     private void writePointerLocationOptions() {
 913         Settings.System.putInt(getActivity().getContentResolver(),
 914                 Settings.System.POINTER_LOCATION, mPointerLocation.isChecked() ? 1 : 0);
 915     }
 916
 917     private void updatePointerLocationOptions() {
 918         updateSwitchPreference(mPointerLocation,
 919                 Settings.System.getInt(getActivity().getContentResolver(),
 920                 Settings.System.POINTER_LOCATION, 0) != 0);
 921     }
 922
 923     private void writeShowTouchesOptions() {
 924         Settings.System.putInt(getActivity().getContentResolver(),
 925                 Settings.System.SHOW_TOUCHES, mShowTouches.isChecked() ? 1 : 0);
 926     }
 927
 928     private void updateShowTouchesOptions() {
 929         updateSwitchPreference(mShowTouches,
 930                 Settings.System.getInt(getActivity().getContentResolver(),
 931                 Settings.System.SHOW_TOUCHES, 0) != 0);
 932     }
 933
 934     private void updateFlingerOptions() {
 935         // magic communication with surface flinger.
 936         try {
 937             IBinder flinger = ServiceManager.getService("SurfaceFlinger");
 938             if (flinger != null) {
 939                 Parcel data = Parcel.obtain();
 940                 Parcel reply = Parcel.obtain();
 941                 data.writeInterfaceToken("android.ui.ISurfaceComposer");
 942                 flinger.transact(1010, data, reply, 0);
 943                 @SuppressWarnings("unused")
 944                 int showCpu = reply.readInt();
 945                 @SuppressWarnings("unused")
 946                 int enableGL = reply.readInt();
 947                 int showUpdates = reply.readInt();
 948                 updateSwitchPreference(mShowScreenUpdates, showUpdates != 0);
 949                 @SuppressWarnings("unused")
 950                 int showBackground = reply.readInt();
 951                 int disableOverlays = reply.readInt();
 952                 updateSwitchPreference(mDisableOverlays, disableOverlays != 0);
 953                 reply.recycle();
 954                 data.recycle();
 955             }
 956         } catch (RemoteException ex) {
 957         }
 958     }
 959
 960     private void writeShowUpdatesOption() {
 961         try {
 962             IBinder flinger = ServiceManager.getService("SurfaceFlinger");
 963             if (flinger != null) {
 964                 Parcel data = Parcel.obtain();
 965                 data.writeInterfaceToken("android.ui.ISurfaceComposer");
 966                 final int showUpdates = mShowScreenUpdates.isChecked() ? 1 : 0;
 967                 data.writeInt(showUpdates);
 968                 flinger.transact(1002, data, null, 0);
 969                 data.recycle();
 970
 971                 updateFlingerOptions();
 972             }
 973         } catch (RemoteException ex) {
 974         }
 975     }
 976
 977     private void writeDisableOverlaysOption() {
 978         try {
 979             IBinder flinger = ServiceManager.getService("SurfaceFlinger");
 980             if (flinger != null) {
 981                 Parcel data = Parcel.obtain();
 982                 data.writeInterfaceToken("android.ui.ISurfaceComposer");
 983                 final int disableOverlays = mDisableOverlays.isChecked() ? 1 : 0;
 984                 data.writeInt(disableOverlays);
 985                 flinger.transact(1008, data, null, 0);
 986                 data.recycle();
 987
 988                 updateFlingerOptions();
 989             }
 990         } catch (RemoteException ex) {
 991         }
 992     }
 993
 994     private void updateHardwareUiOptions() {
 995         updateSwitchPreference(mForceHardwareUi, SystemProperties.getBoolean(HARDWARE_UI_PROPERTY, false));
 996     }
 997
 998     private void writeHardwareUiOptions() {
 999         SystemProperties.set(HARDWARE_UI_PROPERTY, mForceHardwareUi.isChecked() ? "true" : "false");
1000         pokeSystemProperties();
1001     }
1002
1003     private void updateMsaaOptions() {
1004         updateSwitchPreference(mForceMsaa, SystemProperties.getBoolean(MSAA_PROPERTY, false));
1005     }
1006
1007     private void writeMsaaOptions() {
1008         SystemProperties.set(MSAA_PROPERTY, mForceMsaa.isChecked() ? "true" : "false");
1009         pokeSystemProperties();
1010     }
1011
1012     private void updateTrackFrameTimeOptions() {
1013         String value = SystemProperties.get(HardwareRenderer.PROFILE_PROPERTY);
1014         if (value == null) {
1015             value = "";
1016         }
1017
1018         CharSequence[] values = mTrackFrameTime.getEntryValues();
1019         for (int i = 0; i < values.length; i++) {
1020             if (value.contentEquals(values[i])) {
1021                 mTrackFrameTime.setValueIndex(i);
1022                 mTrackFrameTime.setSummary(mTrackFrameTime.getEntries()[i]);
1023                 return;
1024             }
1025         }
1026         mTrackFrameTime.setValueIndex(0);
1027         mTrackFrameTime.setSummary(mTrackFrameTime.getEntries()[0]);
1028     }
1029
1030     private void writeTrackFrameTimeOptions(Object newValue) {
1031         SystemProperties.set(HardwareRenderer.PROFILE_PROPERTY,
1032                 newValue == null ? "" : newValue.toString());
1033         pokeSystemProperties();
1034         updateTrackFrameTimeOptions();
1035     }
1036
1037     private void updateShowNonRectClipOptions() {
1038         String value = SystemProperties.get(
1039                 HardwareRenderer.DEBUG_SHOW_NON_RECTANGULAR_CLIP_PROPERTY);
1040         if (value == null) {
1041             value = "hide";
1042         }
1043
1044         CharSequence[] values = mShowNonRectClip.getEntryValues();
1045         for (int i = 0; i < values.length; i++) {
1046             if (value.contentEquals(values[i])) {
1047                 mShowNonRectClip.setValueIndex(i);
1048                 mShowNonRectClip.setSummary(mShowNonRectClip.getEntries()[i]);
1049                 return;
1050             }
1051         }
1052         mShowNonRectClip.setValueIndex(0);
1053         mShowNonRectClip.setSummary(mShowNonRectClip.getEntries()[0]);
1054     }
1055
1056     private void writeShowNonRectClipOptions(Object newValue) {
1057         SystemProperties.set(HardwareRenderer.DEBUG_SHOW_NON_RECTANGULAR_CLIP_PROPERTY,
1058                 newValue == null ? "" : newValue.toString());
1059         pokeSystemProperties();
1060         updateShowNonRectClipOptions();
1061     }
1062
1063     private void updateShowHwScreenUpdatesOptions() {
1064         updateSwitchPreference(mShowHwScreenUpdates,
1065                 SystemProperties.getBoolean(HardwareRenderer.DEBUG_DIRTY_REGIONS_PROPERTY, false));
1066     }
1067
1068     private void writeShowHwScreenUpdatesOptions() {
1069         SystemProperties.set(HardwareRenderer.DEBUG_DIRTY_REGIONS_PROPERTY,
1070                 mShowHwScreenUpdates.isChecked() ? "true" : null);
1071         pokeSystemProperties();
1072     }
1073
1074     private void updateShowHwLayersUpdatesOptions() {
1075         updateSwitchPreference(mShowHwLayersUpdates, SystemProperties.getBoolean(
1076                 HardwareRenderer.DEBUG_SHOW_LAYERS_UPDATES_PROPERTY, false));
1077     }
1078
1079     private void writeShowHwLayersUpdatesOptions() {
1080         SystemProperties.set(HardwareRenderer.DEBUG_SHOW_LAYERS_UPDATES_PROPERTY,
1081                 mShowHwLayersUpdates.isChecked() ? "true" : null);
1082         pokeSystemProperties();
1083     }
1084
1085     private void updateDebugHwOverdrawOptions() {
1086         String value = SystemProperties.get(HardwareRenderer.DEBUG_OVERDRAW_PROPERTY);
1087         if (value == null) {
1088             value = "";
1089         }
1090
1091         CharSequence[] values = mDebugHwOverdraw.getEntryValues();
1092         for (int i = 0; i < values.length; i++) {
1093             if (value.contentEquals(values[i])) {
1094                 mDebugHwOverdraw.setValueIndex(i);
1095                 mDebugHwOverdraw.setSummary(mDebugHwOverdraw.getEntries()[i]);
1096                 return;
1097             }
1098         }
1099         mDebugHwOverdraw.setValueIndex(0);
1100         mDebugHwOverdraw.setSummary(mDebugHwOverdraw.getEntries()[0]);
1101     }
1102
1103     private void writeDebugHwOverdrawOptions(Object newValue) {
1104         SystemProperties.set(HardwareRenderer.DEBUG_OVERDRAW_PROPERTY,
1105                 newValue == null ? "" : newValue.toString());
1106         pokeSystemProperties();
1107         updateDebugHwOverdrawOptions();
1108     }
1109
1110     private void updateDebugLayoutOptions() {
1111         updateSwitchPreference(mDebugLayout,
1112                 SystemProperties.getBoolean(View.DEBUG_LAYOUT_PROPERTY, false));
1113     }
1114
1115     private void writeDebugLayoutOptions() {
1116         SystemProperties.set(View.DEBUG_LAYOUT_PROPERTY,
1117                 mDebugLayout.isChecked() ? "true" : "false");
1118         pokeSystemProperties();
1119     }
1120
1121     private void updateSimulateColorSpace() {
1122         final ContentResolver cr = getContentResolver();
1123         final boolean enabled = Settings.Secure.getInt(
1124                 cr, Settings.Secure.ACCESSIBILITY_DISPLAY_DALTONIZER_ENABLED, 0) != 0;
1125         if (enabled) {
1126             final String mode = Integer.toString(Settings.Secure.getInt(
1127                     cr, Settings.Secure.ACCESSIBILITY_DISPLAY_DALTONIZER,
1128                     AccessibilityManager.DALTONIZER_DISABLED));
1129             mSimulateColorSpace.setValue(mode);
1130             final int index = mSimulateColorSpace.findIndexOfValue(mode);
1131             if (index < 0) {
1132                 // We're using a mode controlled by accessibility preferences.
1133                 mSimulateColorSpace.setSummary(getString(R.string.daltonizer_type_overridden,
1134                         getString(R.string.accessibility_display_daltonizer_preference_title)));
1135             } else {
1136                 mSimulateColorSpace.setSummary("%s");
1137             }
1138         } else {
1139             mSimulateColorSpace.setValue(
1140                     Integer.toString(AccessibilityManager.DALTONIZER_DISABLED));
1141         }
1142     }
1143
1144     /**
1145      * @return <code>true</code> if the color space preference is currently
1146      *         controlled by development settings
1147      */
1148     private boolean usingDevelopmentColorSpace() {
1149         final ContentResolver cr = getContentResolver();
1150         final boolean enabled = Settings.Secure.getInt(
1151                 cr, Settings.Secure.ACCESSIBILITY_DISPLAY_DALTONIZER_ENABLED, 0) != 0;
1152         if (enabled) {
1153             final String mode = Integer.toString(Settings.Secure.getInt(
1154                     cr, Settings.Secure.ACCESSIBILITY_DISPLAY_DALTONIZER,
1155                     AccessibilityManager.DALTONIZER_DISABLED));
1156             final int index = mSimulateColorSpace.findIndexOfValue(mode);
1157             if (index >= 0) {
1158                 // We're using a mode controlled by developer preferences.
1159                 return true;
1160             }
1161         }
1162         return false;
1163     }
1164
1165     private void writeSimulateColorSpace(Object value) {
1166         final ContentResolver cr = getContentResolver();
1167         final int newMode = Integer.parseInt(value.toString());
1168         if (newMode < 0) {
1169             Settings.Secure.putInt(cr, Settings.Secure.ACCESSIBILITY_DISPLAY_DALTONIZER_ENABLED, 0);
1170         } else {
1171             Settings.Secure.putInt(cr, Settings.Secure.ACCESSIBILITY_DISPLAY_DALTONIZER_ENABLED, 1);
1172             Settings.Secure.putInt(cr, Settings.Secure.ACCESSIBILITY_DISPLAY_DALTONIZER, newMode);
1173         }
1174     }
1175
1176     private void updateUSBAudioOptions() {
1177         updateSwitchPreference(mUSBAudio, Settings.Secure.getInt(getContentResolver(),
1178                 Settings.Secure.USB_AUDIO_AUTOMATIC_ROUTING_DISABLED, 0) != 0);
1179     }
1180
1181     private void writeUSBAudioOptions() {
1182         Settings.Secure.putInt(getContentResolver(),
1183                 Settings.Secure.USB_AUDIO_AUTOMATIC_ROUTING_DISABLED,
1184                 mUSBAudio.isChecked() ? 1 : 0);
1185     }
1186
1187     private void updateForceRtlOptions() {
1188         updateSwitchPreference(mForceRtlLayout,
1189                 Settings.Global.getInt(getActivity().getContentResolver(),
1190                 Settings.Global.DEVELOPMENT_FORCE_RTL, 0) != 0);
1191     }
1192
1193     private void writeForceRtlOptions() {
1194         boolean value = mForceRtlLayout.isChecked();
1195         Settings.Global.putInt(getActivity().getContentResolver(),
1196                 Settings.Global.DEVELOPMENT_FORCE_RTL, value ? 1 : 0);
1197         SystemProperties.set(Settings.Global.DEVELOPMENT_FORCE_RTL, value ? "1" : "0");
1198         LocalePicker.updateLocale(getActivity().getResources().getConfiguration().locale);
1199     }
1200
1201     private void updateWifiDisplayCertificationOptions() {
1202         updateSwitchPreference(mWifiDisplayCertification, Settings.Global.getInt(
1203                 getActivity().getContentResolver(),
1204                 Settings.Global.WIFI_DISPLAY_CERTIFICATION_ON, 0) != 0);
1205     }
1206
1207     private void writeWifiDisplayCertificationOptions() {
1208         Settings.Global.putInt(getActivity().getContentResolver(),
1209                 Settings.Global.WIFI_DISPLAY_CERTIFICATION_ON,
1210                 mWifiDisplayCertification.isChecked() ? 1 : 0);
1211     }
1212
1213     private void updateWifiVerboseLoggingOptions() {
1214         boolean enabled = mWifiManager.getVerboseLoggingLevel() > 0;
1215         updateSwitchPreference(mWifiVerboseLogging, enabled);
1216     }
1217
1218     private void writeWifiVerboseLoggingOptions() {
1219         mWifiManager.enableVerboseLogging(mWifiVerboseLogging.isChecked() ? 1 : 0);
1220     }
1221
1222     private void updateWifiAggressiveHandoverOptions() {
1223         boolean enabled = mWifiManager.getAggressiveHandover() > 0;
1224         updateSwitchPreference(mWifiAggressiveHandover, enabled);
1225     }
1226
1227     private void writeWifiAggressiveHandoverOptions() {
1228         mWifiManager.enableAggressiveHandover(mWifiAggressiveHandover.isChecked() ? 1 : 0);
1229     }
1230
1231     private void updateWifiAllowScansWithTrafficOptions() {
1232         boolean enabled = mWifiManager.getAllowScansWithTraffic() > 0;
1233         updateSwitchPreference(mWifiAllowScansWithTraffic, enabled);
1234     }
1235
1236     private void writeWifiAllowScansWithTrafficOptions() {
1237         mWifiManager.setAllowScansWithTraffic(mWifiAllowScansWithTraffic.isChecked() ? 1 : 0);
1238     }
1239
1240     private void updateLegacyDhcpClientOptions() {
1241         updateSwitchPreference(mLegacyDhcpClient, Settings.Global.getInt(
1242                 getActivity().getContentResolver(),
1243                 Settings.Global.LEGACY_DHCP_CLIENT, 0) != 0);
1244     }
1245
1246     private void writeLegacyDhcpClientOptions() {
1247         Settings.Global.putInt(getActivity().getContentResolver(),
1248                 Settings.Global.LEGACY_DHCP_CLIENT,
1249                 mLegacyDhcpClient.isChecked() ? 1 : 0);
1250     }
1251
1252     private void updateMobileDataAlwaysOnOptions() {
1253         updateSwitchPreference(mMobileDataAlwaysOn, Settings.Global.getInt(
1254                 getActivity().getContentResolver(),
1255                 Settings.Global.MOBILE_DATA_ALWAYS_ON, 0) != 0);
1256     }
1257
1258     private void writeMobileDataAlwaysOnOptions() {
1259         Settings.Global.putInt(getActivity().getContentResolver(),
1260                 Settings.Global.MOBILE_DATA_ALWAYS_ON,
1261                 mMobileDataAlwaysOn.isChecked() ? 1 : 0);
1262     }
1263
1264     private void updateLogdSizeValues() {
1265         if (mLogdSize != null) {
1266             String currentTag = SystemProperties.get(SELECT_LOGD_TAG_PROPERTY);
1267             String currentValue = SystemProperties.get(SELECT_LOGD_SIZE_PROPERTY);
1268             if ((currentTag != null) && currentTag.equals("S")) {
1269                 currentValue = "32768";
1270             }
1271             if (currentValue == null) {
1272                 currentValue = SystemProperties.get(SELECT_LOGD_DEFAULT_SIZE_PROPERTY);
1273                 if (currentValue == null) {
1274                     if (SystemProperties.get("ro.config.low_ram").equals("true")) {
1275                         currentValue = "64K";
1276                     } else {
1277                         currentValue = "256K";
1278                     }
1279                 }
1280             }
1281             String[] values = getResources().getStringArray(R.array.select_logd_size_values);
1282             String[] titles = getResources().getStringArray(R.array.select_logd_size_titles);
1283             int index = 2; // punt to second entry if not found
1284             if (SystemProperties.get("ro.config.low_ram").equals("true")) {
1285                 mLogdSize.setEntries(R.array.select_logd_size_lowram_titles);
1286                 titles = getResources().getStringArray(R.array.select_logd_size_lowram_titles);
1287                 index = 1;
1288             }
1289             String[] summaries = getResources().getStringArray(R.array.select_logd_size_summaries);
1290             for (int i = 0; i < titles.length; i++) {
1291                 if (currentValue.equals(values[i])
1292                         || currentValue.equals(titles[i])) {
1293                     index = i;
1294                     break;
1295                 }
1296             }
1297             mLogdSize.setValue(values[index]);
1298             mLogdSize.setSummary(summaries[index]);
1299             mLogdSize.setOnPreferenceChangeListener(this);
1300         }
1301     }
1302
1303     private void writeLogdSizeOption(Object newValue) {
1304         String currentValue = SystemProperties.get(SELECT_LOGD_DEFAULT_SIZE_PROPERTY);
1305         if (currentValue != null) {
1306             DEFAULT_LOG_RING_BUFFER_SIZE_IN_BYTES = currentValue;
1307         }
1308         boolean disable = (newValue != null) && (newValue.equals("32768"));
1309         if (disable) {
1310             newValue = "65536";
1311             SystemProperties.set(SELECT_LOGD_TAG_PROPERTY, "S");
1312         } else {
1313             SystemProperties.set(SELECT_LOGD_TAG_PROPERTY, "");
1314         }
1315         final String size = (newValue != null) ?
1316                 newValue.toString() : DEFAULT_LOG_RING_BUFFER_SIZE_IN_BYTES;
1317         SystemProperties.set(SELECT_LOGD_SIZE_PROPERTY, size);
1318         SystemProperties.set("ctl.start", "logd-reinit");
1319         pokeSystemProperties();
1320         updateLogdSizeValues();
1321     }
1322
1323     private void updateUsbConfigurationValues() {
1324         if (mUsbConfiguration != null) {
1325             UsbManager manager = (UsbManager) getSystemService(Context.USB_SERVICE);
1326
1327             String[] values = getResources().getStringArray(R.array.usb_configuration_values);
1328             String[] titles = getResources().getStringArray(R.array.usb_configuration_titles);
1329             int index = 0;
1330             for (int i = 0; i < titles.length; i++) {
1331                 if (manager.isFunctionEnabled(values[i])) {
1332                     index = i;
1333                     break;
1334                 }
1335             }
1336             mUsbConfiguration.setValue(values[index]);
1337             mUsbConfiguration.setSummary(titles[index]);
1338             mUsbConfiguration.setOnPreferenceChangeListener(this);
1339         }
1340     }
1341
1342     private void writeUsbConfigurationOption(Object newValue) {
1343         UsbManager manager = (UsbManager)getActivity().getSystemService(Context.USB_SERVICE);
1344         String function = newValue.toString();
1345         manager.setCurrentFunction(function);
1346         if (function.equals("none")) {
1347             manager.setUsbDataUnlocked(false);
1348         } else {
1349             manager.setUsbDataUnlocked(true);
1350         }
1351     }
1352
1353     private void updateCpuUsageOptions() {
1354         updateSwitchPreference(mShowCpuUsage,
1355                 Settings.Global.getInt(getActivity().getContentResolver(),
1356                 Settings.Global.SHOW_PROCESSES, 0) != 0);
1357     }
1358
1359     private void writeCpuUsageOptions() {
1360         boolean value = mShowCpuUsage.isChecked();
1361         Settings.Global.putInt(getActivity().getContentResolver(),
1362                 Settings.Global.SHOW_PROCESSES, value ? 1 : 0);
1363         Intent service = (new Intent())
1364                 .setClassName("com.android.systemui", "com.android.systemui.LoadAverageService");
1365         if (value) {
1366             getActivity().startService(service);
1367         } else {
1368             getActivity().stopService(service);
1369         }
1370     }
1371
1372     private void writeImmediatelyDestroyActivitiesOptions() {
1373         try {
1374             ActivityManagerNative.getDefault().setAlwaysFinish(
1375                     mImmediatelyDestroyActivities.isChecked());
1376         } catch (RemoteException ex) {
1377         }
1378     }
1379
1380     private void updateImmediatelyDestroyActivitiesOptions() {
1381         updateSwitchPreference(mImmediatelyDestroyActivities, Settings.Global.getInt(
1382                 getActivity().getContentResolver(), Settings.Global.ALWAYS_FINISH_ACTIVITIES, 0) != 0);
1383     }
1384
1385     private void updateAnimationScaleValue(int which, ListPreference pref) {
1386         try {
1387             float scale = mWindowManager.getAnimationScale(which);
1388             if (scale != 1) {
1389                 mHaveDebugSettings = true;
1390             }
1391             CharSequence[] values = pref.getEntryValues();
1392             for (int i=0; i<values.length; i++) {
1393                 float val = Float.parseFloat(values[i].toString());
1394                 if (scale <= val) {
1395                     pref.setValueIndex(i);
1396                     pref.setSummary(pref.getEntries()[i]);
1397                     return;
1398                 }
1399             }
1400             pref.setValueIndex(values.length-1);
1401             pref.setSummary(pref.getEntries()[0]);
1402         } catch (RemoteException e) {
1403         }
1404     }
1405
1406     private void updateAnimationScaleOptions() {
1407         updateAnimationScaleValue(0, mWindowAnimationScale);
1408         updateAnimationScaleValue(1, mTransitionAnimationScale);
1409         updateAnimationScaleValue(2, mAnimatorDurationScale);
1410     }
1411
1412     private void writeAnimationScaleOption(int which, ListPreference pref, Object newValue) {
1413         try {
1414             float scale = newValue != null ? Float.parseFloat(newValue.toString()) : 1;
1415             mWindowManager.setAnimationScale(which, scale);
1416             updateAnimationScaleValue(which, pref);
1417         } catch (RemoteException e) {
1418         }
1419     }
1420
1421     private void updateOverlayDisplayDevicesOptions() {
1422         String value = Settings.Global.getString(getActivity().getContentResolver(),
1423                 Settings.Global.OVERLAY_DISPLAY_DEVICES);
1424         if (value == null) {
1425             value = "";
1426         }
1427
1428         CharSequence[] values = mOverlayDisplayDevices.getEntryValues();
1429         for (int i = 0; i < values.length; i++) {
1430             if (value.contentEquals(values[i])) {
1431                 mOverlayDisplayDevices.setValueIndex(i);
1432                 mOverlayDisplayDevices.setSummary(mOverlayDisplayDevices.getEntries()[i]);
1433                 return;
1434             }
1435         }
1436         mOverlayDisplayDevices.setValueIndex(0);
1437         mOverlayDisplayDevices.setSummary(mOverlayDisplayDevices.getEntries()[0]);
1438     }
1439
1440     private void writeOverlayDisplayDevicesOptions(Object newValue) {
1441         Settings.Global.putString(getActivity().getContentResolver(),
1442                 Settings.Global.OVERLAY_DISPLAY_DEVICES, (String)newValue);
1443         updateOverlayDisplayDevicesOptions();
1444     }
1445
1446     private void updateOpenGLTracesOptions() {
1447         String value = SystemProperties.get(OPENGL_TRACES_PROPERTY);
1448         if (value == null) {
1449             value = "";
1450         }
1451
1452         CharSequence[] values = mOpenGLTraces.getEntryValues();
1453         for (int i = 0; i < values.length; i++) {
1454             if (value.contentEquals(values[i])) {
1455                 mOpenGLTraces.setValueIndex(i);
1456                 mOpenGLTraces.setSummary(mOpenGLTraces.getEntries()[i]);
1457                 return;
1458             }
1459         }
1460         mOpenGLTraces.setValueIndex(0);
1461         mOpenGLTraces.setSummary(mOpenGLTraces.getEntries()[0]);
1462     }
1463
1464     private void writeOpenGLTracesOptions(Object newValue) {
1465         SystemProperties.set(OPENGL_TRACES_PROPERTY, newValue == null ? "" : newValue.toString());
1466         pokeSystemProperties();
1467         updateOpenGLTracesOptions();
1468     }
1469
1470     private void updateAppProcessLimitOptions() {
1471         try {
1472             int limit = ActivityManagerNative.getDefault().getProcessLimit();
1473             CharSequence[] values = mAppProcessLimit.getEntryValues();
1474             for (int i=0; i<values.length; i++) {
1475                 int val = Integer.parseInt(values[i].toString());
1476                 if (val >= limit) {
1477                     if (i != 0) {
1478                         mHaveDebugSettings = true;
1479                     }
1480                     mAppProcessLimit.setValueIndex(i);
1481                     mAppProcessLimit.setSummary(mAppProcessLimit.getEntries()[i]);
1482                     return;
1483                 }
1484             }
1485             mAppProcessLimit.setValueIndex(0);
1486             mAppProcessLimit.setSummary(mAppProcessLimit.getEntries()[0]);
1487         } catch (RemoteException e) {
1488         }
1489     }
1490
1491     private void writeAppProcessLimitOptions(Object newValue) {
1492         try {
1493             int limit = newValue != null ? Integer.parseInt(newValue.toString()) : -1;
1494             ActivityManagerNative.getDefault().setProcessLimit(limit);
1495             updateAppProcessLimitOptions();
1496         } catch (RemoteException e) {
1497         }
1498     }
1499
1500     private void writeShowAllANRsOptions() {
1501         Settings.Secure.putInt(getActivity().getContentResolver(),
1502                 Settings.Secure.ANR_SHOW_BACKGROUND,
1503                 mShowAllANRs.isChecked() ? 1 : 0);
1504     }
1505
1506     private void updateShowAllANRsOptions() {
1507         updateSwitchPreference(mShowAllANRs, Settings.Secure.getInt(
1508                 getActivity().getContentResolver(), Settings.Secure.ANR_SHOW_BACKGROUND, 0) != 0);
1509     }
1510
1511     private void confirmEnableOemUnlock() {
1512         DialogInterface.OnClickListener onConfirmListener = new DialogInterface.OnClickListener() {
1513             @Override
1514             public void onClick(DialogInterface dialog, int which) {
1515                 Utils.setOemUnlockEnabled(getActivity(), true);
1516                 updateAllOptions();
1517             }
1518         };
1519
1520         new AlertDialog.Builder(getActivity())
1521                 .setTitle(R.string.confirm_enable_oem_unlock_title)
1522                 .setMessage(R.string.confirm_enable_oem_unlock_text)
1523                 .setPositiveButton(R.string.enable_text, onConfirmListener)
1524                 .setNegativeButton(android.R.string.cancel, null)
1525                 .create()
1526                 .show();
1527     }
1528
1529     private void confirmEnableMultiWindowMode() {
1530         DialogInterface.OnClickListener onConfirmListener = new DialogInterface.OnClickListener() {
1531             @Override
1532             public void onClick(DialogInterface dialog, int which) {
1533                 setEnableMultiWindow((which == DialogInterface.BUTTON_POSITIVE) ? true : false);
1534                 updateAllOptions();
1535             }
1536         };
1537
1538         new AlertDialog.Builder(getActivity())
1539                 .setTitle(R.string.confirm_enable_multi_window_title)
1540                 .setMessage(R.string.confirm_enable_multi_window_text)
1541                 .setPositiveButton(R.string.enable_text, onConfirmListener)
1542                 .setNegativeButton(android.R.string.cancel, onConfirmListener)
1543                 .create()
1544                 .show();
1545     }
1546
1547     @Override
1548     public void onSwitchChanged(Switch switchView, boolean isChecked) {
1549         if (switchView != mSwitchBar.getSwitch()) {
1550             return;
1551         }
1552         if (isChecked != mLastEnabledState) {
1553             if (isChecked) {
1554                 mDialogClicked = false;
1555                 if (mEnableDialog != null) dismissDialogs();
1556                 mEnableDialog = new AlertDialog.Builder(getActivity()).setMessage(
1557                         getActivity().getResources().getString(
1558                                 R.string.dev_settings_warning_message))
1559                         .setTitle(R.string.dev_settings_warning_title)
1560                         .setPositiveButton(android.R.string.yes, this)
1561                         .setNegativeButton(android.R.string.no, this)
1562                         .show();
1563                 mEnableDialog.setOnDismissListener(this);
1564             } else {
1565                 resetDangerousOptions();
1566                 Settings.Global.putInt(getActivity().getContentResolver(),
1567                         Settings.Global.DEVELOPMENT_SETTINGS_ENABLED, 0);
1568                 mLastEnabledState = isChecked;
1569                 setPrefsEnabledState(mLastEnabledState);
1570             }
1571         }
1572     }
1573
1574     @Override
1575     public void onActivityResult(int requestCode, int resultCode, Intent data) {
1576         if (requestCode == RESULT_DEBUG_APP) {
1577             if (resultCode == Activity.RESULT_OK) {
1578                 mDebugApp = data.getAction();
1579                 writeDebuggerOptions();
1580                 updateDebuggerOptions();
1581             }
1582         } else if (requestCode == RESULT_MOCK_LOCATION_APP) {
1583             if (resultCode == Activity.RESULT_OK) {
1584                 mMockLocationApp = data.getAction();
1585                 writeMockLocation();
1586                 updateMockLocation();
1587             }
1588         } else if (requestCode == REQUEST_CODE_ENABLE_OEM_UNLOCK) {
1589             if (resultCode == Activity.RESULT_OK) {
1590                 if (mEnableOemUnlock.isChecked()) {
1591                     confirmEnableOemUnlock();
1592                 } else {
1593                     Utils.setOemUnlockEnabled(getActivity(), false);
1594                 }
1595             }
1596         } else {
1597             super.onActivityResult(requestCode, resultCode, data);
1598         }
1599     }
1600
1601     @Override
1602     public boolean onPreferenceTreeClick(PreferenceScreen preferenceScreen, Preference preference) {
1603         if (Utils.isMonkeyRunning()) {
1604             return false;
1605         }
1606
1607         if (preference == mEnableAdb) {
1608             if (mEnableAdb.isChecked()) {
1609                 mDialogClicked = false;
1610                 if (mAdbDialog != null) dismissDialogs();
1611                 mAdbDialog = new AlertDialog.Builder(getActivity()).setMessage(
1612                         getActivity().getResources().getString(R.string.adb_warning_message))
1613                         .setTitle(R.string.adb_warning_title)
1614                         .setPositiveButton(android.R.string.yes, this)
1615                         .setNegativeButton(android.R.string.no, this)
1616                         .show();
1617                 mAdbDialog.setOnDismissListener(this);
1618             } else {
1619                 Settings.Global.putInt(getActivity().getContentResolver(),
1620                         Settings.Global.ADB_ENABLED, 0);
1621                 mVerifyAppsOverUsb.setEnabled(false);
1622                 mVerifyAppsOverUsb.setChecked(false);
1623                 updateBugreportOptions();
1624             }
1625         } else if (preference == mClearAdbKeys) {
1626             if (mAdbKeysDialog != null) dismissDialogs();
1627             mAdbKeysDialog = new AlertDialog.Builder(getActivity())
1628                         .setMessage(R.string.adb_keys_warning_message)
1629                         .setPositiveButton(android.R.string.ok, this)
1630                         .setNegativeButton(android.R.string.cancel, null)
1631                         .show();
1632         } else if (preference == mEnableTerminal) {
1633             final PackageManager pm = getActivity().getPackageManager();
1634             pm.setApplicationEnabledSetting(TERMINAL_APP_PACKAGE,
1635                     mEnableTerminal.isChecked() ? PackageManager.COMPONENT_ENABLED_STATE_ENABLED
1636                             : PackageManager.COMPONENT_ENABLED_STATE_DEFAULT, 0);
1637         } else if (preference == mBugreportInPower) {
1638             Settings.Secure.putInt(getActivity().getContentResolver(),
1639                     Settings.Secure.BUGREPORT_IN_POWER_MENU,
1640                     mBugreportInPower.isChecked() ? 1 : 0);
1641         } else if (preference == mKeepScreenOn) {
1642             Settings.Global.putInt(getActivity().getContentResolver(),
1643                     Settings.Global.STAY_ON_WHILE_PLUGGED_IN,
1644                     mKeepScreenOn.isChecked() ?
1645                             (BatteryManager.BATTERY_PLUGGED_AC | BatteryManager.BATTERY_PLUGGED_USB) : 0);
1646         } else if (preference == mBtHciSnoopLog) {
1647             writeBtHciSnoopLogOptions();
1648         } else if (preference == mEnableOemUnlock) {
1649             if (!showKeyguardConfirmation(getResources(), REQUEST_CODE_ENABLE_OEM_UNLOCK)) {
1650                 if (mEnableOemUnlock.isChecked()) {
1651                     confirmEnableOemUnlock();
1652                 } else {
1653                     Utils.setOemUnlockEnabled(getActivity(), false);
1654                 }
1655             }
1656         } else if (preference == mMockLocationAppPref) {
1657             Intent intent = new Intent(getActivity(), AppPicker.class);
1658             intent.putExtra(AppPicker.EXTRA_REQUESTIING_PERMISSION,
1659                     Manifest.permission.ACCESS_MOCK_LOCATION);
1660             startActivityForResult(intent, RESULT_MOCK_LOCATION_APP);
1661         } else if (preference == mDebugViewAttributes) {
1662             Settings.Global.putInt(getActivity().getContentResolver(),
1663                     Settings.Global.DEBUG_VIEW_ATTRIBUTES,
1664                     mDebugViewAttributes.isChecked() ? 1 : 0);
1665         } else if (preference == mDebugAppPref) {
1666             Intent intent = new Intent(getActivity(), AppPicker.class);
1667             intent.putExtra(AppPicker.EXTRA_DEBUGGABLE, true);
1668             startActivityForResult(intent, RESULT_DEBUG_APP);
1669         } else if (preference == mWaitForDebugger) {
1670             writeDebuggerOptions();
1671         } else if (preference == mVerifyAppsOverUsb) {
1672             writeVerifyAppsOverUsbOptions();
1673         } else if (preference == mStrictMode) {
1674             writeStrictModeVisualOptions();
1675         } else if (preference == mPointerLocation) {
1676             writePointerLocationOptions();
1677         } else if (preference == mShowTouches) {
1678             writeShowTouchesOptions();
1679         } else if (preference == mShowScreenUpdates) {
1680             writeShowUpdatesOption();
1681         } else if (preference == mDisableOverlays) {
1682             writeDisableOverlaysOption();
1683         } else if (preference == mEnableMultiWindow) {
1684             if (mEnableMultiWindow.isChecked()) {
1685                 confirmEnableMultiWindowMode();
1686             } else {
1687                 setEnableMultiWindow(false);
1688             }
1689         } else if (preference == mShowCpuUsage) {
1690             writeCpuUsageOptions();
1691         } else if (preference == mImmediatelyDestroyActivities) {
1692             writeImmediatelyDestroyActivitiesOptions();
1693         } else if (preference == mShowAllANRs) {
1694             writeShowAllANRsOptions();
1695         } else if (preference == mForceHardwareUi) {
1696             writeHardwareUiOptions();
1697         } else if (preference == mForceMsaa) {
1698             writeMsaaOptions();
1699         } else if (preference == mShowHwScreenUpdates) {
1700             writeShowHwScreenUpdatesOptions();
1701         } else if (preference == mShowHwLayersUpdates) {
1702             writeShowHwLayersUpdatesOptions();
1703         } else if (preference == mDebugLayout) {
1704             writeDebugLayoutOptions();
1705         } else if (preference == mForceRtlLayout) {
1706             writeForceRtlOptions();
1707         } else if (preference == mWifiDisplayCertification) {
1708             writeWifiDisplayCertificationOptions();
1709         } else if (preference == mWifiVerboseLogging) {
1710             writeWifiVerboseLoggingOptions();
1711         } else if (preference == mWifiAggressiveHandover) {
1712             writeWifiAggressiveHandoverOptions();
1713         } else if (preference == mWifiAllowScansWithTraffic) {
1714             writeWifiAllowScansWithTrafficOptions();
1715         } else if (preference == mLegacyDhcpClient) {
1716             writeLegacyDhcpClientOptions();
1717         } else if (preference == mMobileDataAlwaysOn) {
1718             writeMobileDataAlwaysOnOptions();
1719         } else if (preference == mUSBAudio) {
1720             writeUSBAudioOptions();
1721         } else if (INACTIVE_APPS_KEY.equals(preference.getKey())) {
1722             startInactiveAppsFragment();
1723         } else {
1724             return super.onPreferenceTreeClick(preferenceScreen, preference);
1725         }
1726
1727         return false;
1728     }
1729
1730     private void startInactiveAppsFragment() {
1731         ((SettingsActivity) getActivity()).startPreferencePanel(
1732                 InactiveApps.class.getName(),
1733                 null, R.string.inactive_apps_title, null, null, 0);
1734     }
1735
1736     private boolean showKeyguardConfirmation(Resources resources, int requestCode) {
1737         return new ChooseLockSettingsHelper(getActivity(), this).launchConfirmationActivity(
1738                 requestCode, resources.getString(R.string.oem_unlock_enable));
1739     }
1740
1741     @Override
1742     public boolean onPreferenceChange(Preference preference, Object newValue) {
1743         if (HDCP_CHECKING_KEY.equals(preference.getKey())) {
1744             SystemProperties.set(HDCP_CHECKING_PROPERTY, newValue.toString());
1745             updateHdcpValues();
1746             pokeSystemProperties();
1747             return true;
1748         } else if (preference == mLogdSize) {
1749             writeLogdSizeOption(newValue);
1750             return true;
1751         } else if (preference == mUsbConfiguration) {
1752             writeUsbConfigurationOption(newValue);
1753             return true;
1754         } else if (preference == mWindowAnimationScale) {
1755             writeAnimationScaleOption(0, mWindowAnimationScale, newValue);
1756             return true;
1757         } else if (preference == mTransitionAnimationScale) {
1758             writeAnimationScaleOption(1, mTransitionAnimationScale, newValue);
1759             return true;
1760         } else if (preference == mAnimatorDurationScale) {
1761             writeAnimationScaleOption(2, mAnimatorDurationScale, newValue);
1762             return true;
1763         } else if (preference == mOverlayDisplayDevices) {
1764             writeOverlayDisplayDevicesOptions(newValue);
1765             return true;
1766         } else if (preference == mOpenGLTraces) {
1767             writeOpenGLTracesOptions(newValue);
1768             return true;
1769         } else if (preference == mTrackFrameTime) {
1770             writeTrackFrameTimeOptions(newValue);
1771             return true;
1772         } else if (preference == mDebugHwOverdraw) {
1773             writeDebugHwOverdrawOptions(newValue);
1774             return true;
1775         } else if (preference == mShowNonRectClip) {
1776             writeShowNonRectClipOptions(newValue);
1777             return true;
1778         } else if (preference == mAppProcessLimit) {
1779             writeAppProcessLimitOptions(newValue);
1780             return true;
1781         } else if (preference == mSimulateColorSpace) {
1782             writeSimulateColorSpace(newValue);
1783             return true;
1784         }
1785         return false;
1786     }
1787
1788     private void dismissDialogs() {
1789         if (mAdbDialog != null) {
1790             mAdbDialog.dismiss();
1791             mAdbDialog = null;
1792         }
1793         if (mAdbKeysDialog != null) {
1794             mAdbKeysDialog.dismiss();
1795             mAdbKeysDialog = null;
1796         }
1797         if (mEnableDialog != null) {
1798             mEnableDialog.dismiss();
1799             mEnableDialog = null;
1800         }
1801     }
1802
1803     public void onClick(DialogInterface dialog, int which) {
1804         if (dialog == mAdbDialog) {
1805             if (which == DialogInterface.BUTTON_POSITIVE) {
1806                 mDialogClicked = true;
1807                 Settings.Global.putInt(getActivity().getContentResolver(),
1808                         Settings.Global.ADB_ENABLED, 1);
1809                 mVerifyAppsOverUsb.setEnabled(true);
1810                 updateVerifyAppsOverUsbOptions();
1811                 updateBugreportOptions();
1812             } else {
1813                 // Reset the toggle
1814                 mEnableAdb.setChecked(false);
1815             }
1816         } else if (dialog == mAdbKeysDialog) {
1817             if (which == DialogInterface.BUTTON_POSITIVE) {
1818                 try {
1819                     IBinder b = ServiceManager.getService(Context.USB_SERVICE);
1820                     IUsbManager service = IUsbManager.Stub.asInterface(b);
1821                     service.clearUsbDebuggingKeys();
1822                 } catch (RemoteException e) {
1823                     Log.e(TAG, "Unable to clear adb keys", e);
1824                 }
1825             }
1826         } else if (dialog == mEnableDialog) {
1827             if (which == DialogInterface.BUTTON_POSITIVE) {
1828                 mDialogClicked = true;
1829                 Settings.Global.putInt(getActivity().getContentResolver(),
1830                         Settings.Global.DEVELOPMENT_SETTINGS_ENABLED, 1);
1831                 mLastEnabledState = true;
1832                 setPrefsEnabledState(mLastEnabledState);
1833             } else {
1834                 // Reset the toggle
1835                 mSwitchBar.setChecked(false);
1836             }
1837         }
1838     }
1839
1840     public void onDismiss(DialogInterface dialog) {
1841         // Assuming that onClick gets called first
1842         if (dialog == mAdbDialog) {
1843             if (!mDialogClicked) {
1844                 mEnableAdb.setChecked(false);
1845             }
1846             mAdbDialog = null;
1847         } else if (dialog == mEnableDialog) {
1848             if (!mDialogClicked) {
1849                 mSwitchBar.setChecked(false);
1850             }
1851             mEnableDialog = null;
1852         }
1853     }
1854
1855     @Override
1856     public void onDestroy() {
1857         dismissDialogs();
1858         super.onDestroy();
1859     }
1860
1861     void pokeSystemProperties() {
1862         if (!mDontPokeProperties) {
1863             //noinspection unchecked
1864             (new SystemPropPoker()).execute();
1865         }
1866     }
1867
1868     private BroadcastReceiver mUsbReceiver = new BroadcastReceiver() {
1869         @Override
1870         public void onReceive(Context context, Intent intent) {
1871             updateUsbConfigurationValues();
1872         }
1873     };
1874
1875     static class SystemPropPoker extends AsyncTask<Void, Void, Void> {
1876         @Override
1877         protected Void doInBackground(Void... params) {
1878             String[] services;
1879             try {
1880                 services = ServiceManager.listServices();
1881             } catch (RemoteException e) {
1882                 return null;
1883             }
1884             for (String service : services) {
1885                 IBinder obj = ServiceManager.checkService(service);
1886                 if (obj != null) {
1887                     Parcel data = Parcel.obtain();
1888                     try {
1889                         obj.transact(IBinder.SYSPROPS_TRANSACTION, data, null, 0);
1890                     } catch (RemoteException e) {
1891                     } catch (Exception e) {
1892                         Log.i(TAG, "Someone wrote a bad service '" + service
1893                                 + "' that doesn't like to be poked: " + e);
1894                     }
1895                     data.recycle();
1896                 }
1897             }
1898             return null;
1899         }
1900     }
1901
1902     private static boolean isPackageInstalled(Context context, String packageName) {
1903         try {
1904             return context.getPackageManager().getPackageInfo(packageName, 0) != null;
1905         } catch (NameNotFoundException e) {
1906             return false;
1907         }
1908     }
1909
1910     /**
1911      * For Search.
1912      */
1913     public static final Indexable.SearchIndexProvider SEARCH_INDEX_DATA_PROVIDER =
1914             new BaseSearchIndexProvider() {
1915
1916                 private boolean isShowingDeveloperOptions(Context context) {
1917                     return context.getSharedPreferences(DevelopmentSettings.PREF_FILE,
1918                             Context.MODE_PRIVATE).getBoolean(
1919                                     DevelopmentSettings.PREF_SHOW,
1920                                     android.os.Build.TYPE.equals("eng"));
1921                 }
1922
1923                 @Override
1924                 public List<SearchIndexableResource> getXmlResourcesToIndex(
1925                         Context context, boolean enabled) {
1926
1927                     if (!isShowingDeveloperOptions(context)) {
1928                         return null;
1929                     }
1930
1931                     final SearchIndexableResource sir = new SearchIndexableResource(context);
1932                     sir.xmlResId = R.xml.development_prefs;
1933                     return Arrays.asList(sir);
1934                 }
1935
1936                 @Override
1937                 public List<String> getNonIndexableKeys(Context context) {
1938                     if (!isShowingDeveloperOptions(context)) {
1939                         return null;
1940                     }
1941
1942                     final List<String> keys = new ArrayList<String>();
1943                     if (!showEnableOemUnlockPreference()) {
1944                         keys.add(ENABLE_OEM_UNLOCK);
1945                     }
1946                     if (!showEnableMultiWindowPreference()) {
1947                         keys.add(ENABLE_MULTI_WINDOW_KEY);
1948                     }
1949                     return keys;
1950                 }
1951             };
1952 }