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