src/com/android/settings/DevelopmentSettings.java

   1 /*
   2  * Copyright (C) 2008 The Android Open Source Project
   3  *
   4  * Licensed under the Apache License, Version 2.0 (the "License");
   5  * you may not use this file except in compliance with the License.
   6  * You may obtain a copy of the License at
   7  *
   8  *      http://www.apache.org/licenses/LICENSE-2.0
   9  *
  10  * Unless required by applicable law or agreed to in writing, software
  11  * distributed under the License is distributed on an "AS IS" BASIS,
  12  * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
  13  * See the License for the specific language governing permissions and
  14  * limitations under the License.
  15  */
  16
  17 package com.android.settings;
  18
  19 import android.Manifest;
  20 import android.app.Activity;
  21 import android.app.ActivityManagerNative;
  22 import android.app.AlertDialog;
  23 import android.app.AppOpsManager;
  24 import android.app.AppOpsManager.PackageOps;
  25 import android.app.Dialog;
  26 import android.app.UiModeManager;
  27 import android.app.admin.DevicePolicyManager;
  28 import android.app.backup.IBackupManager;
  29 import android.bluetooth.BluetoothAdapter;
  30 import android.content.BroadcastReceiver;
  31 import android.content.ComponentName;
  32 import android.content.ContentResolver;
  33 import android.content.Context;
  34 import android.content.DialogInterface;
  35 import android.content.Intent;
  36 import android.content.IntentFilter;
  37 import android.content.pm.ApplicationInfo;
  38 import android.content.pm.PackageManager;
  39 import android.content.pm.PackageManager.NameNotFoundException;
  40 import android.content.pm.ResolveInfo;
  41 import android.content.res.Resources;
  42 import android.hardware.usb.IUsbManager;
  43 import android.hardware.usb.UsbManager;
  44 import android.net.wifi.WifiManager;
  45 import android.os.AsyncTask;
  46 import android.os.BatteryManager;
  47 import android.os.Build;
  48 import android.os.Bundle;
  49 import android.os.IBinder;
  50 import android.os.Parcel;
  51 import android.os.RemoteException;
  52 import android.os.ServiceManager;
  53 import android.os.StrictMode;
  54 import android.os.SystemProperties;
  55 import android.os.UserHandle;
  56 import android.os.UserManager;
  57 import android.preference.ListPreference;
  58 import android.preference.Preference;
  59 import android.preference.Preference.OnPreferenceChangeListener;
  60 import android.preference.PreferenceGroup;
  61 import android.preference.PreferenceScreen;
  62 import android.preference.SwitchPreference;
  63 import android.provider.SearchIndexableResource;
  64 import android.provider.Settings;
  65 import android.text.TextUtils;
  66 import android.util.Log;
  67 import android.view.HardwareRenderer;
  68 import android.view.IWindowManager;
  69 import android.view.LayoutInflater;
  70 import android.view.View;
  71 import android.view.ViewGroup;
  72 import android.view.accessibility.AccessibilityManager;
  73 import android.widget.Switch;
  74 import android.widget.TextView;
  75
  76 import com.android.internal.logging.MetricsLogger;
  77 import com.android.settings.fuelgauge.InactiveApps;
  78 import com.android.settings.search.BaseSearchIndexProvider;
  79 import com.android.settings.search.Indexable;
  80 import com.android.settings.widget.SwitchBar;
  81
  82 import java.util.ArrayList;
  83 import java.util.Arrays;
  84 import java.util.HashSet;
  85 import java.util.List;
  86
  87 /*
  88  * Displays preferences for application developers.
  89  */
  90 public class DevelopmentSettings extends SettingsPreferenceFragment
  91         implements DialogInterface.OnClickListener, DialogInterface.OnDismissListener,
  92                 OnPreferenceChangeListener, SwitchBar.OnSwitchChangeListener, Indexable {
  93     private static final String TAG = "DevelopmentSettings";
  94
  95     /**
  96      * Preference file were development settings prefs are stored.
  97      */
  98     public static final String PREF_FILE = "development";
  99
 100     /**
 101      * Whether to show the development settings to the user.  Default is false.
 102      */
 103     public static final String PREF_SHOW = "show";
 104
 105     private static final ComponentName SYSUI_TUNER = new ComponentName("com.android.systemui",
 106             "com.android.systemui.tuner.TunerActivity");
 107
 108     private static final String ENABLE_ADB = "enable_adb";
 109     private static final String CLEAR_ADB_KEYS = "clear_adb_keys";
 110     private static final String ENABLE_TERMINAL = "enable_terminal";
 111     private static final String KEEP_SCREEN_ON = "keep_screen_on";
 112     private static final String BT_HCI_SNOOP_LOG = "bt_hci_snoop_log";
 113     private static final String ENABLE_OEM_UNLOCK = "oem_unlock_enable";
 114     private static final String HDCP_CHECKING_KEY = "hdcp_checking";
 115     private static final String HDCP_CHECKING_PROPERTY = "persist.sys.hdcp_checking";
 116     private static final String LOCAL_BACKUP_PASSWORD = "local_backup_password";
 117     private static final String HARDWARE_UI_PROPERTY = "persist.sys.ui.hw";
 118     private static final String MSAA_PROPERTY = "debug.egl.force_msaa";
 119     private static final String BUGREPORT = "bugreport";
 120     private static final String BUGREPORT_IN_POWER_KEY = "bugreport_in_power";
 121     private static final String OPENGL_TRACES_PROPERTY = "debug.egl.trace";
 122     private static final String TUNER_UI_KEY = "tuner_ui";
 123
 124     private static final String DEBUG_APP_KEY = "debug_app";
 125     private static final String WAIT_FOR_DEBUGGER_KEY = "wait_for_debugger";
 126     private static final String MOCK_LOCATION_APP_KEY = "mock_location_app";
 127     private static final String VERIFY_APPS_OVER_USB_KEY = "verify_apps_over_usb";
 128     private static final String DEBUG_VIEW_ATTRIBUTES =  "debug_view_attributes";
 129     private static final String STRICT_MODE_KEY = "strict_mode";
 130     private static final String POINTER_LOCATION_KEY = "pointer_location";
 131     private static final String SHOW_TOUCHES_KEY = "show_touches";
 132     private static final String SHOW_SCREEN_UPDATES_KEY = "show_screen_updates";
 133     private static final String DISABLE_OVERLAYS_KEY = "disable_overlays";
 134     private static final String SIMULATE_COLOR_SPACE = "simulate_color_space";
 135     private static final String USB_AUDIO_KEY = "usb_audio";
 136     private static final String SHOW_CPU_USAGE_KEY = "show_cpu_usage";
 137     private static final String FORCE_HARDWARE_UI_KEY = "force_hw_ui";
 138     private static final String FORCE_MSAA_KEY = "force_msaa";
 139     private static final String TRACK_FRAME_TIME_KEY = "track_frame_time";
 140     private static final String SHOW_NON_RECTANGULAR_CLIP_KEY = "show_non_rect_clip";
 141     private static final String SHOW_HW_SCREEN_UPDATES_KEY = "show_hw_screen_udpates";
 142     private static final String SHOW_HW_LAYERS_UPDATES_KEY = "show_hw_layers_udpates";
 143     private static final String DEBUG_HW_OVERDRAW_KEY = "debug_hw_overdraw";
 144     private static final String DEBUG_LAYOUT_KEY = "debug_layout";
 145     private static final String FORCE_RTL_LAYOUT_KEY = "force_rtl_layout_all_locales";
 146     private static final String WINDOW_ANIMATION_SCALE_KEY = "window_animation_scale";
 147     private static final String TRANSITION_ANIMATION_SCALE_KEY = "transition_animation_scale";
 148     private static final String ANIMATOR_DURATION_SCALE_KEY = "animator_duration_scale";
 149     private static final String OVERLAY_DISPLAY_DEVICES_KEY = "overlay_display_devices";
 150     private static final String ENABLE_MULTI_WINDOW_KEY = "enable_multi_window";
 151     private static final String DEBUG_DEBUGGING_CATEGORY_KEY = "debug_debugging_category";
 152     private static final String DEBUG_APPLICATIONS_CATEGORY_KEY = "debug_applications_category";
 153     private static final String SELECT_LOGD_SIZE_KEY = "select_logd_size";
 154     private static final String SELECT_LOGD_SIZE_PROPERTY = "persist.logd.size";
 155     private static final String SELECT_LOGD_DEFAULT_SIZE_PROPERTY = "ro.logd.size";
 156
 157     private static final String DEBUG_NETWORKING_CATEGORY_KEY = "debug_networking_category";
 158     private static final String WIFI_DISPLAY_CERTIFICATION_KEY = "wifi_display_certification";
 159     private static final String WIFI_VERBOSE_LOGGING_KEY = "wifi_verbose_logging";
 160     private static final String WIFI_AGGRESSIVE_HANDOVER_KEY = "wifi_aggressive_handover";
 161     private static final String WIFI_ALLOW_SCAN_WITH_TRAFFIC_KEY = "wifi_allow_scan_with_traffic";
 162     private static final String USB_CONFIGURATION_KEY = "select_usb_configuration";
 163     private static final String SELECT_USB_CONFIGURATION_PROPERTY = "sys.usb.config";
 164     private static final String WIFI_LEGACY_DHCP_CLIENT_KEY = "legacy_dhcp_client";
 165     private static final String MOBILE_DATA_ALWAYS_ON = "mobile_data_always_on";
 166
 167     private static final String INACTIVE_APPS_KEY = "inactive_apps";
 168
 169     private static final String OPENGL_TRACES_KEY = "enable_opengl_traces";
 170
 171     private static final String IMMEDIATELY_DESTROY_ACTIVITIES_KEY
 172             = "immediately_destroy_activities";
 173     private static final String APP_PROCESS_LIMIT_KEY = "app_process_limit";
 174
 175     private static final String SHOW_ALL_ANRS_KEY = "show_all_anrs";
 176
 177     private static final String PACKAGE_MIME_TYPE = "application/vnd.android.package-archive";
 178
 179     private static final String TERMINAL_APP_PACKAGE = "com.android.terminal";
 180
 181     private static final String KEY_NIGHT_MODE = "night_mode";
 182
 183     private static final int RESULT_DEBUG_APP = 1000;
 184     private static final int RESULT_MOCK_LOCATION_APP = 1001;
 185
 186     private static final String PERSISTENT_DATA_BLOCK_PROP = "ro.frp.pst";
 187
 188     private static final int REQUEST_CODE_ENABLE_OEM_UNLOCK = 0;
 189
 190     private static String DEFAULT_LOG_RING_BUFFER_SIZE_IN_BYTES = "262144"; // 256K
 191
 192     private static final int[] MOCK_LOCATION_APP_OPS = new int[] {AppOpsManager.OP_MOCK_LOCATION};
 193
 194     private static final String MULTI_WINDOW_SYSTEM_PROPERTY = "persist.sys.debug.multi_window";
 195     private IWindowManager mWindowManager;
 196     private IBackupManager mBackupManager;
 197     private DevicePolicyManager mDpm;
 198     private UserManager mUm;
 199     private WifiManager mWifiManager;
 200
 201     private SwitchBar mSwitchBar;
 202     private boolean mLastEnabledState;
 203     private boolean mHaveDebugSettings;
 204     private boolean mDontPokeProperties;
 205
 206     private SwitchPreference mEnableAdb;
 207     private Preference mClearAdbKeys;
 208     private SwitchPreference mEnableTerminal;
 209     private Preference mBugreport;
 210     private SwitchPreference mBugreportInPower;
 211     private SwitchPreference mKeepScreenOn;
 212     private SwitchPreference mBtHciSnoopLog;
 213     private SwitchPreference mEnableOemUnlock;
 214     private SwitchPreference mDebugViewAttributes;
 215
 216     private PreferenceScreen mPassword;
 217     private String mDebugApp;
 218     private Preference mDebugAppPref;
 219
 220     private String mMockLocationApp;
 221     private Preference mMockLocationAppPref;
 222
 223     private SwitchPreference mWaitForDebugger;
 224     private SwitchPreference mVerifyAppsOverUsb;
 225     private SwitchPreference mWifiDisplayCertification;
 226     private SwitchPreference mWifiVerboseLogging;
 227     private SwitchPreference mWifiAggressiveHandover;
 228     private SwitchPreference mLegacyDhcpClient;
 229     private SwitchPreference mMobileDataAlwaysOn;
 230
 231     private SwitchPreference mWifiAllowScansWithTraffic;
 232     private SwitchPreference mStrictMode;
 233     private SwitchPreference mPointerLocation;
 234     private SwitchPreference mShowTouches;
 235     private SwitchPreference mShowScreenUpdates;
 236     private SwitchPreference mDisableOverlays;
 237     private SwitchPreference mEnableMultiWindow;
 238     private SwitchPreference mShowCpuUsage;
 239     private SwitchPreference mForceHardwareUi;
 240     private SwitchPreference mForceMsaa;
 241     private SwitchPreference mShowHwScreenUpdates;
 242     private SwitchPreference mShowHwLayersUpdates;
 243     private SwitchPreference mDebugLayout;
 244     private SwitchPreference mForceRtlLayout;
 245     private ListPreference mDebugHwOverdraw;
 246     private ListPreference mLogdSize;
 247     private ListPreference mUsbConfiguration;
 248     private ListPreference mTrackFrameTime;
 249     private ListPreference mShowNonRectClip;
 250     private ListPreference mWindowAnimationScale;
 251     private ListPreference mTransitionAnimationScale;
 252     private ListPreference mAnimatorDurationScale;
 253     private ListPreference mOverlayDisplayDevices;
 254     private ListPreference mOpenGLTraces;
 255
 256     private ListPreference mSimulateColorSpace;
 257
 258     private SwitchPreference mUSBAudio;
 259     private SwitchPreference mImmediatelyDestroyActivities;
 260
 261     private ListPreference mAppProcessLimit;
 262
 263     private SwitchPreference mShowAllANRs;
 264
 265     private DropDownPreference mNightModePreference;
 266
 267     private final ArrayList<Preference> mAllPrefs = new ArrayList<Preference>();
 268
 269     private final ArrayList<SwitchPreference> mResetSwitchPrefs
 270             = new ArrayList<SwitchPreference>();
 271
 272     private final HashSet<Preference> mDisabledPrefs = new HashSet<Preference>();
 273     // To track whether a confirmation dialog was clicked.
 274     private boolean mDialogClicked;
 275     private Dialog mEnableDialog;
 276     private Dialog mAdbDialog;
 277
 278     private Dialog mAdbKeysDialog;
 279     private boolean mUnavailable;
 280
 281     private SwitchPreference mTunerUiPref;
 282
 283     @Override
 284     protected int getMetricsCategory() {
 285         return MetricsLogger.DEVELOPMENT;
 286     }
 287
 288     @Override
 289     public void onCreate(Bundle icicle) {
 290         super.onCreate(icicle);
 291
 292         mWindowManager = IWindowManager.Stub.asInterface(ServiceManager.getService("window"));
 293         mBackupManager = IBackupManager.Stub.asInterface(
 294                 ServiceManager.getService(Context.BACKUP_SERVICE));
 295         mDpm = (DevicePolicyManager)getActivity().getSystemService(Context.DEVICE_POLICY_SERVICE);
 296         mUm = (UserManager) getSystemService(Context.USER_SERVICE);
 297
 298         mWifiManager = (WifiManager) getSystemService(Context.WIFI_SERVICE);
 299
 300         if (android.os.Process.myUserHandle().getIdentifier() != UserHandle.USER_OWNER
 301                 || mUm.hasUserRestriction(UserManager.DISALLOW_DEBUGGING_FEATURES)) {
 302             mUnavailable = true;
 303             setPreferenceScreen(new PreferenceScreen(getActivity(), null));
 304             return;
 305         }
 306
 307         addPreferencesFromResource(R.xml.development_prefs);
 308
 309         final PreferenceGroup debugDebuggingCategory = (PreferenceGroup)
 310                 findPreference(DEBUG_DEBUGGING_CATEGORY_KEY);
 311         mEnableAdb = findAndInitSwitchPref(ENABLE_ADB);
 312         mClearAdbKeys = findPreference(CLEAR_ADB_KEYS);
 313         if (!SystemProperties.getBoolean("ro.adb.secure", false)) {
 314             if (debugDebuggingCategory != null) {
 315                 debugDebuggingCategory.removePreference(mClearAdbKeys);
 316             }
 317         }
 318         mAllPrefs.add(mClearAdbKeys);
 319         mEnableTerminal = findAndInitSwitchPref(ENABLE_TERMINAL);
 320         if (!isPackageInstalled(getActivity(), TERMINAL_APP_PACKAGE)) {
 321             debugDebuggingCategory.removePreference(mEnableTerminal);
 322             mEnableTerminal = null;
 323         }
 324
 325         mBugreport = findPreference(BUGREPORT);
 326         mBugreportInPower = findAndInitSwitchPref(BUGREPORT_IN_POWER_KEY);
 327         mKeepScreenOn = findAndInitSwitchPref(KEEP_SCREEN_ON);
 328         mBtHciSnoopLog = findAndInitSwitchPref(BT_HCI_SNOOP_LOG);
 329         mEnableOemUnlock = findAndInitSwitchPref(ENABLE_OEM_UNLOCK);
 330         if (!showEnableOemUnlockPreference()) {
 331             removePreference(mEnableOemUnlock);
 332             mEnableOemUnlock = null;
 333         }
 334
 335         mDebugViewAttributes = findAndInitSwitchPref(DEBUG_VIEW_ATTRIBUTES);
 336         mPassword = (PreferenceScreen) findPreference(LOCAL_BACKUP_PASSWORD);
 337         mAllPrefs.add(mPassword);
 338
 339
 340         if (!android.os.Process.myUserHandle().equals(UserHandle.OWNER)) {
 341             disableForUser(mEnableAdb);
 342             disableForUser(mClearAdbKeys);
 343             disableForUser(mEnableTerminal);
 344             disableForUser(mPassword);
 345         }
 346
 347         mDebugAppPref = findPreference(DEBUG_APP_KEY);
 348         mAllPrefs.add(mDebugAppPref);
 349         mWaitForDebugger = findAndInitSwitchPref(WAIT_FOR_DEBUGGER_KEY);
 350
 351         mMockLocationAppPref = findPreference(MOCK_LOCATION_APP_KEY);
 352         mAllPrefs.add(mMockLocationAppPref);
 353
 354         mVerifyAppsOverUsb = findAndInitSwitchPref(VERIFY_APPS_OVER_USB_KEY);
 355         if (!showVerifierSetting()) {
 356             if (debugDebuggingCategory != null) {
 357                 debugDebuggingCategory.removePreference(mVerifyAppsOverUsb);
 358             } else {
 359                 mVerifyAppsOverUsb.setEnabled(false);
 360             }
 361         }
 362         mStrictMode = findAndInitSwitchPref(STRICT_MODE_KEY);
 363         mPointerLocation = findAndInitSwitchPref(POINTER_LOCATION_KEY);
 364         mShowTouches = findAndInitSwitchPref(SHOW_TOUCHES_KEY);
 365         mShowScreenUpdates = findAndInitSwitchPref(SHOW_SCREEN_UPDATES_KEY);
 366         mDisableOverlays = findAndInitSwitchPref(DISABLE_OVERLAYS_KEY);
 367         mShowCpuUsage = findAndInitSwitchPref(SHOW_CPU_USAGE_KEY);
 368         mForceHardwareUi = findAndInitSwitchPref(FORCE_HARDWARE_UI_KEY);
 369         mForceMsaa = findAndInitSwitchPref(FORCE_MSAA_KEY);
 370         mTrackFrameTime = addListPreference(TRACK_FRAME_TIME_KEY);
 371         mShowNonRectClip = addListPreference(SHOW_NON_RECTANGULAR_CLIP_KEY);
 372         mShowHwScreenUpdates = findAndInitSwitchPref(SHOW_HW_SCREEN_UPDATES_KEY);
 373         mShowHwLayersUpdates = findAndInitSwitchPref(SHOW_HW_LAYERS_UPDATES_KEY);
 374         mDebugLayout = findAndInitSwitchPref(DEBUG_LAYOUT_KEY);
 375         mForceRtlLayout = findAndInitSwitchPref(FORCE_RTL_LAYOUT_KEY);
 376         mDebugHwOverdraw = addListPreference(DEBUG_HW_OVERDRAW_KEY);
 377         mWifiDisplayCertification = findAndInitSwitchPref(WIFI_DISPLAY_CERTIFICATION_KEY);
 378         mWifiVerboseLogging = findAndInitSwitchPref(WIFI_VERBOSE_LOGGING_KEY);
 379         mWifiAggressiveHandover = findAndInitSwitchPref(WIFI_AGGRESSIVE_HANDOVER_KEY);
 380         mWifiAllowScansWithTraffic = findAndInitSwitchPref(WIFI_ALLOW_SCAN_WITH_TRAFFIC_KEY);
 381         mLegacyDhcpClient = findAndInitSwitchPref(WIFI_LEGACY_DHCP_CLIENT_KEY);
 382         mMobileDataAlwaysOn = findAndInitSwitchPref(MOBILE_DATA_ALWAYS_ON);
 383         mLogdSize = addListPreference(SELECT_LOGD_SIZE_KEY);
 384         mUsbConfiguration = addListPreference(USB_CONFIGURATION_KEY);
 385
 386         mWindowAnimationScale = addListPreference(WINDOW_ANIMATION_SCALE_KEY);
 387         mTransitionAnimationScale = addListPreference(TRANSITION_ANIMATION_SCALE_KEY);
 388         mAnimatorDurationScale = addListPreference(ANIMATOR_DURATION_SCALE_KEY);
 389         mOverlayDisplayDevices = addListPreference(OVERLAY_DISPLAY_DEVICES_KEY);
 390         mEnableMultiWindow = findAndInitSwitchPref(ENABLE_MULTI_WINDOW_KEY);
 391         if (!showEnableMultiWindowPreference()) {
 392             final PreferenceGroup drawingGroup =
 393                     (PreferenceGroup)findPreference("debug_drawing_category");
 394             if (drawingGroup != null) {
 395                 drawingGroup.removePreference(mEnableMultiWindow);
 396             } else {
 397                 mEnableMultiWindow.setEnabled(false);
 398             }
 399             removePreference(mEnableMultiWindow);
 400             mEnableMultiWindow = null;
 401         }
 402         mOpenGLTraces = addListPreference(OPENGL_TRACES_KEY);
 403         mSimulateColorSpace = addListPreference(SIMULATE_COLOR_SPACE);
 404         mUSBAudio = findAndInitSwitchPref(USB_AUDIO_KEY);
 405
 406         mImmediatelyDestroyActivities = (SwitchPreference) findPreference(
 407                 IMMEDIATELY_DESTROY_ACTIVITIES_KEY);
 408         mAllPrefs.add(mImmediatelyDestroyActivities);
 409         mResetSwitchPrefs.add(mImmediatelyDestroyActivities);
 410
 411         mAppProcessLimit = addListPreference(APP_PROCESS_LIMIT_KEY);
 412
 413         mShowAllANRs = (SwitchPreference) findPreference(
 414                 SHOW_ALL_ANRS_KEY);
 415         mAllPrefs.add(mShowAllANRs);
 416         mResetSwitchPrefs.add(mShowAllANRs);
 417
 418         mTunerUiPref = findAndInitSwitchPref(TUNER_UI_KEY);
 419
 420         Preference hdcpChecking = findPreference(HDCP_CHECKING_KEY);
 421         if (hdcpChecking != null) {
 422             mAllPrefs.add(hdcpChecking);
 423             removePreferenceForProduction(hdcpChecking);
 424         }
 425
 426         mNightModePreference = (DropDownPreference) findPreference(KEY_NIGHT_MODE);
 427         final UiModeManager uiManager = (UiModeManager) getSystemService(
 428                 Context.UI_MODE_SERVICE);
 429         final int currentNightMode = uiManager.getNightMode();
 430         mNightModePreference.setSelectedValue(String.valueOf(currentNightMode));
 431         mNightModePreference.setCallback(new DropDownPreference.Callback() {
 432             @Override
 433             public boolean onItemSelected(int pos, Object newValue) {
 434                 try {
 435                     final int value = Integer.parseInt((String) newValue);
 436                     final UiModeManager uiManager = (UiModeManager) getSystemService(
 437                             Context.UI_MODE_SERVICE);
 438                     uiManager.setNightMode(value);
 439                     return true;
 440                 } catch (NumberFormatException e) {
 441                     Log.e(TAG, "could not persist night mode setting", e);
 442                     return false;
 443                 }
 444             }
 445         });
 446     }
 447
 448     private ListPreference addListPreference(String prefKey) {
 449         ListPreference pref = (ListPreference) findPreference(prefKey);
 450         mAllPrefs.add(pref);
 451         pref.setOnPreferenceChangeListener(this);
 452         return pref;
 453     }
 454
 455     private void disableForUser(Preference pref) {
 456         if (pref != null) {
 457             pref.setEnabled(false);
 458             mDisabledPrefs.add(pref);
 459         }
 460     }
 461
 462     private SwitchPreference findAndInitSwitchPref(String key) {
 463         SwitchPreference pref = (SwitchPreference) findPreference(key);
 464         if (pref == null) {
 465             throw new IllegalArgumentException("Cannot find preference with key = " + key);
 466         }
 467         mAllPrefs.add(pref);
 468         mResetSwitchPrefs.add(pref);
 469         return pref;
 470     }
 471
 472     @Override
 473     public void onActivityCreated(Bundle savedInstanceState) {
 474         super.onActivityCreated(savedInstanceState);
 475
 476         final SettingsActivity activity = (SettingsActivity) getActivity();
 477
 478         mSwitchBar = activity.getSwitchBar();
 479        if (mUnavailable) {
 480             mSwitchBar.setEnabled(false);
 481             return;
 482         }
 483
 484         mSwitchBar.addOnSwitchChangeListener(this);
 485     }
 486
 487     private boolean removePreferenceForProduction(Preference preference) {
 488         if ("user".equals(Build.TYPE)) {
 489             removePreference(preference);
 490             return true;
 491         }
 492         return false;
 493     }
 494
 495     private void removePreference(Preference preference) {
 496         getPreferenceScreen().removePreference(preference);
 497         mAllPrefs.remove(preference);
 498         mResetSwitchPrefs.remove(preference);
 499     }
 500
 501     private void setPrefsEnabledState(boolean enabled) {
 502         for (int i = 0; i < mAllPrefs.size(); i++) {
 503             Preference pref = mAllPrefs.get(i);
 504             pref.setEnabled(enabled && !mDisabledPrefs.contains(pref));
 505         }
 506         updateAllOptions();
 507     }
 508
 509     @Override
 510     public void onResume() {
 511         super.onResume();
 512
 513         if (mUnavailable) {
 514             // Show error message
 515             TextView emptyView = (TextView) getView().findViewById(android.R.id.empty);
 516             getListView().setEmptyView(emptyView);
 517             if (emptyView != null) {
 518                 emptyView.setText(R.string.development_settings_not_available);
 519             }
 520             return;
 521         }
 522
 523         if (mDpm.getMaximumTimeToLock(null) > 0) {
 524             // A DeviceAdmin has specified a maximum time until the device
 525             // will lock...  in this case we can't allow the user to turn
 526             // on "stay awake when plugged in" because that would defeat the
 527             // restriction.
 528             mDisabledPrefs.add(mKeepScreenOn);
 529         } else {
 530             mDisabledPrefs.remove(mKeepScreenOn);
 531         }
 532
 533         final ContentResolver cr = getActivity().getContentResolver();
 534         mLastEnabledState = Settings.Global.getInt(cr,
 535                 Settings.Global.DEVELOPMENT_SETTINGS_ENABLED, 0) != 0;
 536         mSwitchBar.setChecked(mLastEnabledState);
 537         setPrefsEnabledState(mLastEnabledState);
 538
 539         if (mHaveDebugSettings && !mLastEnabledState) {
 540             // Overall debugging is disabled, but there are some debug
 541             // settings that are enabled.  This is an invalid state.  Switch
 542             // to debug settings being enabled, so the user knows there is
 543             // stuff enabled and can turn it all off if they want.
 544             Settings.Global.putInt(getActivity().getContentResolver(),
 545                     Settings.Global.DEVELOPMENT_SETTINGS_ENABLED, 1);
 546             mLastEnabledState = true;
 547             mSwitchBar.setChecked(mLastEnabledState);
 548             setPrefsEnabledState(mLastEnabledState);
 549         }
 550         mSwitchBar.show();
 551     }
 552
 553     @Override
 554     public View onCreateView(LayoutInflater inflater, ViewGroup container,
 555             Bundle savedInstanceState) {
 556         IntentFilter filter = new IntentFilter();
 557         filter.addAction(UsbManager.ACTION_USB_STATE);
 558         getActivity().registerReceiver(mUsbReceiver, filter);
 559         return super.onCreateView(inflater, container, savedInstanceState);
 560     }
 561
 562     @Override
 563     public void onDestroyView() {
 564         super.onDestroyView();
 565
 566         if (mUnavailable) {
 567             return;
 568         }
 569         mSwitchBar.removeOnSwitchChangeListener(this);
 570         mSwitchBar.hide();
 571         getActivity().unregisterReceiver(mUsbReceiver);
 572     }
 573
 574     void updateSwitchPreference(SwitchPreference switchPreference, boolean value) {
 575         switchPreference.setChecked(value);
 576         mHaveDebugSettings |= value;
 577     }
 578
 579     private void updateAllOptions() {
 580         final Context context = getActivity();
 581         final ContentResolver cr = context.getContentResolver();
 582         mHaveDebugSettings = false;
 583         updateSwitchPreference(mEnableAdb, Settings.Global.getInt(cr,
 584                 Settings.Global.ADB_ENABLED, 0) != 0);
 585         if (mEnableTerminal != null) {
 586             updateSwitchPreference(mEnableTerminal,
 587                     context.getPackageManager().getApplicationEnabledSetting(TERMINAL_APP_PACKAGE)
 588                             == PackageManager.COMPONENT_ENABLED_STATE_ENABLED);
 589         }
 590         updateSwitchPreference(mBugreportInPower, Settings.Secure.getInt(cr,
 591                 Settings.Secure.BUGREPORT_IN_POWER_MENU, 0) != 0);
 592         updateSwitchPreference(mKeepScreenOn, Settings.Global.getInt(cr,
 593                 Settings.Global.STAY_ON_WHILE_PLUGGED_IN, 0) != 0);
 594         updateSwitchPreference(mBtHciSnoopLog, Settings.Secure.getInt(cr,
 595                 Settings.Secure.BLUETOOTH_HCI_LOG, 0) != 0);
 596         if (mEnableOemUnlock != null) {
 597             updateSwitchPreference(mEnableOemUnlock, Utils.isOemUnlockEnabled(getActivity()));
 598         }
 599         updateSwitchPreference(mDebugViewAttributes, Settings.Global.getInt(cr,
 600                 Settings.Global.DEBUG_VIEW_ATTRIBUTES, 0) != 0);
 601         updateHdcpValues();
 602         updatePasswordSummary();
 603         updateDebuggerOptions();
 604         updateMockLocation();
 605         updateStrictModeVisualOptions();
 606         updatePointerLocationOptions();
 607         updateShowTouchesOptions();
 608         updateFlingerOptions();
 609         updateCpuUsageOptions();
 610         updateHardwareUiOptions();
 611         updateMsaaOptions();
 612         updateTrackFrameTimeOptions();
 613         updateShowNonRectClipOptions();
 614         updateShowHwScreenUpdatesOptions();
 615         updateShowHwLayersUpdatesOptions();
 616         updateDebugHwOverdrawOptions();
 617         updateDebugLayoutOptions();
 618         updateAnimationScaleOptions();
 619         updateOverlayDisplayDevicesOptions();
 620         if (mEnableMultiWindow != null) {
 621             updateSwitchPreference(mEnableMultiWindow,
 622                     SystemProperties.getBoolean(MULTI_WINDOW_SYSTEM_PROPERTY, false));
 623         }
 624         updateOpenGLTracesOptions();
 625         updateImmediatelyDestroyActivitiesOptions();
 626         updateAppProcessLimitOptions();
 627         updateShowAllANRsOptions();
 628         updateVerifyAppsOverUsbOptions();
 629         updateBugreportOptions();
 630         updateForceRtlOptions();
 631         updateLogdSizeValues();
 632         updateWifiDisplayCertificationOptions();
 633         updateWifiVerboseLoggingOptions();
 634         updateWifiAggressiveHandoverOptions();
 635         updateWifiAllowScansWithTrafficOptions();
 636         updateLegacyDhcpClientOptions();
 637         updateMobileDataAlwaysOnOptions();
 638         updateSimulateColorSpace();
 639         updateUSBAudioOptions();
 640         updateTweakUi();
 641     }
 642
 643     private void resetDangerousOptions() {
 644         mDontPokeProperties = true;
 645         for (int i=0; i< mResetSwitchPrefs.size(); i++) {
 646             SwitchPreference cb = mResetSwitchPrefs.get(i);
 647             if (cb.isChecked()) {
 648                 cb.setChecked(false);
 649                 onPreferenceTreeClick(null, cb);
 650             }
 651         }
 652         resetDebuggerOptions();
 653         writeLogdSizeOption(null);
 654         writeAnimationScaleOption(0, mWindowAnimationScale, null);
 655         writeAnimationScaleOption(1, mTransitionAnimationScale, null);
 656         writeAnimationScaleOption(2, mAnimatorDurationScale, null);
 657         // Only poke the color space setting if we control it.
 658         if (usingDevelopmentColorSpace()) {
 659             writeSimulateColorSpace(-1);
 660         }
 661         writeOverlayDisplayDevicesOptions(null);
 662         writeAppProcessLimitOptions(null);
 663         mHaveDebugSettings = false;
 664         updateAllOptions();
 665         mDontPokeProperties = false;
 666         pokeSystemProperties();
 667     }
 668
 669     private void updateHdcpValues() {
 670         ListPreference hdcpChecking = (ListPreference) findPreference(HDCP_CHECKING_KEY);
 671         if (hdcpChecking != null) {
 672             String currentValue = SystemProperties.get(HDCP_CHECKING_PROPERTY);
 673             String[] values = getResources().getStringArray(R.array.hdcp_checking_values);
 674             String[] summaries = getResources().getStringArray(R.array.hdcp_checking_summaries);
 675             int index = 1; // Defaults to drm-only. Needs to match with R.array.hdcp_checking_values
 676             for (int i = 0; i < values.length; i++) {
 677                 if (currentValue.equals(values[i])) {
 678                     index = i;
 679                     break;
 680                 }
 681             }
 682             hdcpChecking.setValue(values[index]);
 683             hdcpChecking.setSummary(summaries[index]);
 684             hdcpChecking.setOnPreferenceChangeListener(this);
 685         }
 686     }
 687
 688     private void updatePasswordSummary() {
 689         try {
 690             if (mBackupManager.hasBackupPassword()) {
 691                 mPassword.setSummary(R.string.local_backup_password_summary_change);
 692             } else {
 693                 mPassword.setSummary(R.string.local_backup_password_summary_none);
 694             }
 695         } catch (RemoteException e) {
 696             // Not much we can do here
 697         }
 698     }
 699
 700     private void writeBtHciSnoopLogOptions() {
 701         BluetoothAdapter adapter = BluetoothAdapter.getDefaultAdapter();
 702         adapter.configHciSnoopLog(mBtHciSnoopLog.isChecked());
 703         Settings.Secure.putInt(getActivity().getContentResolver(),
 704                 Settings.Secure.BLUETOOTH_HCI_LOG,
 705                 mBtHciSnoopLog.isChecked() ? 1 : 0);
 706     }
 707
 708     private void writeDebuggerOptions() {
 709         try {
 710             ActivityManagerNative.getDefault().setDebugApp(
 711                 mDebugApp, mWaitForDebugger.isChecked(), true);
 712         } catch (RemoteException ex) {
 713         }
 714     }
 715
 716     private void writeMockLocation() {
 717         AppOpsManager appOpsManager = (AppOpsManager) getSystemService(Context.APP_OPS_SERVICE);
 718
 719         // Disable the app op of the previous mock location app if such.
 720         List<PackageOps> packageOps = appOpsManager.getPackagesForOps(MOCK_LOCATION_APP_OPS);
 721         if (packageOps != null) {
 722             // Should be one but in case we are in a bad state due to use of command line tools.
 723             for (PackageOps packageOp : packageOps) {
 724                 if (packageOp.getOps().get(0).getMode() != AppOpsManager.MODE_ERRORED) {
 725                     String oldMockLocationApp = packageOp.getPackageName();
 726                     try {
 727                         ApplicationInfo ai = getActivity().getPackageManager().getApplicationInfo(
 728                                 oldMockLocationApp, PackageManager.GET_DISABLED_COMPONENTS);
 729                         appOpsManager.setMode(AppOpsManager.OP_MOCK_LOCATION, ai.uid,
 730                                 oldMockLocationApp, AppOpsManager.MODE_ERRORED);
 731                     } catch (NameNotFoundException e) {
 732                         /* ignore */
 733                     }
 734                 }
 735             }
 736         }
 737
 738         // Enable the app op of the new mock location app if such.
 739         if (!TextUtils.isEmpty(mMockLocationApp)) {
 740             try {
 741                 ApplicationInfo ai = getActivity().getPackageManager().getApplicationInfo(
 742                         mMockLocationApp, PackageManager.GET_DISABLED_COMPONENTS);
 743                 appOpsManager.setMode(AppOpsManager.OP_MOCK_LOCATION, ai.uid,
 744                         mMockLocationApp, AppOpsManager.MODE_ALLOWED);
 745             } catch (NameNotFoundException e) {
 746                 /* ignore */
 747             }
 748         }
 749     }
 750
 751     private static void resetDebuggerOptions() {
 752         try {
 753             ActivityManagerNative.getDefault().setDebugApp(
 754                     null, false, true);
 755         } catch (RemoteException ex) {
 756         }
 757     }
 758
 759     private void updateDebuggerOptions() {
 760         mDebugApp = Settings.Global.getString(
 761                 getActivity().getContentResolver(), Settings.Global.DEBUG_APP);
 762         updateSwitchPreference(mWaitForDebugger, Settings.Global.getInt(
 763                 getActivity().getContentResolver(), Settings.Global.WAIT_FOR_DEBUGGER, 0) != 0);
 764         if (mDebugApp != null && mDebugApp.length() > 0) {
 765             String label;
 766             try {
 767                 ApplicationInfo ai = getActivity().getPackageManager().getApplicationInfo(mDebugApp,
 768                         PackageManager.GET_DISABLED_COMPONENTS);
 769                 CharSequence lab = getActivity().getPackageManager().getApplicationLabel(ai);
 770                 label = lab != null ? lab.toString() : mDebugApp;
 771             } catch (PackageManager.NameNotFoundException e) {
 772                 label = mDebugApp;
 773             }
 774             mDebugAppPref.setSummary(getResources().getString(R.string.debug_app_set, label));
 775             mWaitForDebugger.setEnabled(true);
 776             mHaveDebugSettings = true;
 777         } else {
 778             mDebugAppPref.setSummary(getResources().getString(R.string.debug_app_not_set));
 779             mWaitForDebugger.setEnabled(false);
 780         }
 781     }
 782
 783     private void updateMockLocation() {
 784         AppOpsManager appOpsManager = (AppOpsManager) getSystemService(Context.APP_OPS_SERVICE);
 785
 786         List<PackageOps> packageOps = appOpsManager.getPackagesForOps(MOCK_LOCATION_APP_OPS);
 787         if (packageOps != null) {
 788             for (PackageOps packageOp : packageOps) {
 789                 if (packageOp.getOps().get(0).getMode() == AppOpsManager.MODE_ALLOWED) {
 790                     mMockLocationApp = packageOps.get(0).getPackageName();
 791                     break;
 792                 }
 793             }
 794         }
 795
 796         if (!TextUtils.isEmpty(mMockLocationApp)) {
 797             String label = mMockLocationApp;
 798             try {
 799                 ApplicationInfo ai = getActivity().getPackageManager().getApplicationInfo(
 800                         mMockLocationApp, PackageManager.GET_DISABLED_COMPONENTS);
 801                 CharSequence appLabel = getPackageManager().getApplicationLabel(ai);
 802                 if (appLabel != null) {
 803                     label = appLabel.toString();
 804                 }
 805             } catch (PackageManager.NameNotFoundException e) {
 806                 /* ignore */
 807             }
 808
 809             mMockLocationAppPref.setSummary(getString(R.string.mock_location_app_set, label));
 810             mHaveDebugSettings = true;
 811         } else {
 812             mMockLocationAppPref.setSummary(getString(R.string.mock_location_app_not_set));
 813         }
 814     }
 815
 816     private void updateVerifyAppsOverUsbOptions() {
 817         updateSwitchPreference(mVerifyAppsOverUsb, Settings.Global.getInt(getActivity().getContentResolver(),
 818                 Settings.Global.PACKAGE_VERIFIER_INCLUDE_ADB, 1) != 0);
 819         mVerifyAppsOverUsb.setEnabled(enableVerifierSetting());
 820     }
 821
 822     private void writeVerifyAppsOverUsbOptions() {
 823         Settings.Global.putInt(getActivity().getContentResolver(),
 824               Settings.Global.PACKAGE_VERIFIER_INCLUDE_ADB, mVerifyAppsOverUsb.isChecked() ? 1 : 0);
 825     }
 826
 827     private boolean enableVerifierSetting() {
 828         final ContentResolver cr = getActivity().getContentResolver();
 829         if (Settings.Global.getInt(cr, Settings.Global.ADB_ENABLED, 0) == 0) {
 830             return false;
 831         }
 832         if (Settings.Global.getInt(cr, Settings.Global.PACKAGE_VERIFIER_ENABLE, 1) == 0) {
 833             return false;
 834         } else {
 835             final PackageManager pm = getActivity().getPackageManager();
 836             final Intent verification = new Intent(Intent.ACTION_PACKAGE_NEEDS_VERIFICATION);
 837             verification.setType(PACKAGE_MIME_TYPE);
 838             verification.addFlags(Intent.FLAG_GRANT_READ_URI_PERMISSION);
 839             final List<ResolveInfo> receivers = pm.queryBroadcastReceivers(verification, 0);
 840             if (receivers.size() == 0) {
 841                 return false;
 842             }
 843         }
 844         return true;
 845     }
 846
 847     private boolean showVerifierSetting() {
 848         return Settings.Global.getInt(getActivity().getContentResolver(),
 849                 Settings.Global.PACKAGE_VERIFIER_SETTING_VISIBLE, 1) > 0;
 850     }
 851
 852     private static boolean showEnableOemUnlockPreference() {
 853         return !SystemProperties.get(PERSISTENT_DATA_BLOCK_PROP).equals("");
 854     }
 855
 856     private static boolean showEnableMultiWindowPreference() {
 857         return !"user".equals(Build.TYPE);
 858     }
 859
 860     private void setEnableMultiWindow(boolean value) {
 861         SystemProperties.set(MULTI_WINDOW_SYSTEM_PROPERTY, String.valueOf(value));
 862         pokeSystemProperties();
 863     }
 864
 865     private void updateBugreportOptions() {
 866         final ComponentName bugreportStorageProviderComponentName =
 867                 new ComponentName("com.android.shell",
 868                         "com.android.shell.BugreportStorageProvider");
 869         if ("user".equals(Build.TYPE)) {
 870             final ContentResolver resolver = getActivity().getContentResolver();
 871             final boolean adbEnabled = Settings.Global.getInt(
 872                     resolver, Settings.Global.ADB_ENABLED, 0) != 0;
 873             if (adbEnabled) {
 874                 mBugreport.setEnabled(true);
 875                 mBugreportInPower.setEnabled(true);
 876                 getPackageManager().setComponentEnabledSetting(
 877                         bugreportStorageProviderComponentName,
 878                         PackageManager.COMPONENT_ENABLED_STATE_ENABLED, 0);
 879             } else {
 880                 mBugreport.setEnabled(false);
 881                 mBugreportInPower.setEnabled(false);
 882                 mBugreportInPower.setChecked(false);
 883                 Settings.Secure.putInt(resolver, Settings.Secure.BUGREPORT_IN_POWER_MENU, 0);
 884                 getPackageManager().setComponentEnabledSetting(
 885                         bugreportStorageProviderComponentName,
 886                         PackageManager.COMPONENT_ENABLED_STATE_DEFAULT, 0);
 887             }
 888         } else {
 889             mBugreportInPower.setEnabled(true);
 890             getPackageManager().setComponentEnabledSetting(
 891                     bugreportStorageProviderComponentName,
 892                     PackageManager.COMPONENT_ENABLED_STATE_ENABLED, 0);
 893         }
 894     }
 895
 896     // Returns the current state of the system property that controls
 897     // strictmode flashes.  One of:
 898     //    0: not explicitly set one way or another
 899     //    1: on
 900     //    2: off
 901     private static int currentStrictModeActiveIndex() {
 902         if (TextUtils.isEmpty(SystemProperties.get(StrictMode.VISUAL_PROPERTY))) {
 903             return 0;
 904         }
 905         boolean enabled = SystemProperties.getBoolean(StrictMode.VISUAL_PROPERTY, false);
 906         return enabled ? 1 : 2;
 907     }
 908
 909     private void writeStrictModeVisualOptions() {
 910         try {
 911             mWindowManager.setStrictModeVisualIndicatorPreference(mStrictMode.isChecked()
 912                     ? "1" : "");
 913         } catch (RemoteException e) {
 914         }
 915     }
 916
 917     private void updateStrictModeVisualOptions() {
 918         updateSwitchPreference(mStrictMode, currentStrictModeActiveIndex() == 1);
 919     }
 920
 921     private void writePointerLocationOptions() {
 922         Settings.System.putInt(getActivity().getContentResolver(),
 923                 Settings.System.POINTER_LOCATION, mPointerLocation.isChecked() ? 1 : 0);
 924     }
 925
 926     private void updatePointerLocationOptions() {
 927         updateSwitchPreference(mPointerLocation,
 928                 Settings.System.getInt(getActivity().getContentResolver(),
 929                 Settings.System.POINTER_LOCATION, 0) != 0);
 930     }
 931
 932     private void writeShowTouchesOptions() {
 933         Settings.System.putInt(getActivity().getContentResolver(),
 934                 Settings.System.SHOW_TOUCHES, mShowTouches.isChecked() ? 1 : 0);
 935     }
 936
 937     private void updateShowTouchesOptions() {
 938         updateSwitchPreference(mShowTouches,
 939                 Settings.System.getInt(getActivity().getContentResolver(),
 940                 Settings.System.SHOW_TOUCHES, 0) != 0);
 941     }
 942
 943     private void updateFlingerOptions() {
 944         // magic communication with surface flinger.
 945         try {
 946             IBinder flinger = ServiceManager.getService("SurfaceFlinger");
 947             if (flinger != null) {
 948                 Parcel data = Parcel.obtain();
 949                 Parcel reply = Parcel.obtain();
 950                 data.writeInterfaceToken("android.ui.ISurfaceComposer");
 951                 flinger.transact(1010, data, reply, 0);
 952                 @SuppressWarnings("unused")
 953                 int showCpu = reply.readInt();
 954                 @SuppressWarnings("unused")
 955                 int enableGL = reply.readInt();
 956                 int showUpdates = reply.readInt();
 957                 updateSwitchPreference(mShowScreenUpdates, showUpdates != 0);
 958                 @SuppressWarnings("unused")
 959                 int showBackground = reply.readInt();
 960                 int disableOverlays = reply.readInt();
 961                 updateSwitchPreference(mDisableOverlays, disableOverlays != 0);
 962                 reply.recycle();
 963                 data.recycle();
 964             }
 965         } catch (RemoteException ex) {
 966         }
 967     }
 968
 969     private void writeShowUpdatesOption() {
 970         try {
 971             IBinder flinger = ServiceManager.getService("SurfaceFlinger");
 972             if (flinger != null) {
 973                 Parcel data = Parcel.obtain();
 974                 data.writeInterfaceToken("android.ui.ISurfaceComposer");
 975                 final int showUpdates = mShowScreenUpdates.isChecked() ? 1 : 0;
 976                 data.writeInt(showUpdates);
 977                 flinger.transact(1002, data, null, 0);
 978                 data.recycle();
 979
 980                 updateFlingerOptions();
 981             }
 982         } catch (RemoteException ex) {
 983         }
 984     }
 985
 986     private void writeDisableOverlaysOption() {
 987         try {
 988             IBinder flinger = ServiceManager.getService("SurfaceFlinger");
 989             if (flinger != null) {
 990                 Parcel data = Parcel.obtain();
 991                 data.writeInterfaceToken("android.ui.ISurfaceComposer");
 992                 final int disableOverlays = mDisableOverlays.isChecked() ? 1 : 0;
 993                 data.writeInt(disableOverlays);
 994                 flinger.transact(1008, data, null, 0);
 995                 data.recycle();
 996
 997                 updateFlingerOptions();
 998             }
 999         } catch (RemoteException ex) {
1000         }
1001     }
1002
1003     private void updateHardwareUiOptions() {
1004         updateSwitchPreference(mForceHardwareUi, SystemProperties.getBoolean(HARDWARE_UI_PROPERTY, false));
1005     }
1006
1007     private void writeHardwareUiOptions() {
1008         SystemProperties.set(HARDWARE_UI_PROPERTY, mForceHardwareUi.isChecked() ? "true" : "false");
1009         pokeSystemProperties();
1010     }
1011
1012     private void updateMsaaOptions() {
1013         updateSwitchPreference(mForceMsaa, SystemProperties.getBoolean(MSAA_PROPERTY, false));
1014     }
1015
1016     private void writeMsaaOptions() {
1017         SystemProperties.set(MSAA_PROPERTY, mForceMsaa.isChecked() ? "true" : "false");
1018         pokeSystemProperties();
1019     }
1020
1021     private void updateTrackFrameTimeOptions() {
1022         String value = SystemProperties.get(HardwareRenderer.PROFILE_PROPERTY);
1023         if (value == null) {
1024             value = "";
1025         }
1026
1027         CharSequence[] values = mTrackFrameTime.getEntryValues();
1028         for (int i = 0; i < values.length; i++) {
1029             if (value.contentEquals(values[i])) {
1030                 mTrackFrameTime.setValueIndex(i);
1031                 mTrackFrameTime.setSummary(mTrackFrameTime.getEntries()[i]);
1032                 return;
1033             }
1034         }
1035         mTrackFrameTime.setValueIndex(0);
1036         mTrackFrameTime.setSummary(mTrackFrameTime.getEntries()[0]);
1037     }
1038
1039     private void writeTrackFrameTimeOptions(Object newValue) {
1040         SystemProperties.set(HardwareRenderer.PROFILE_PROPERTY,
1041                 newValue == null ? "" : newValue.toString());
1042         pokeSystemProperties();
1043         updateTrackFrameTimeOptions();
1044     }
1045
1046     private void updateShowNonRectClipOptions() {
1047         String value = SystemProperties.get(
1048                 HardwareRenderer.DEBUG_SHOW_NON_RECTANGULAR_CLIP_PROPERTY);
1049         if (value == null) {
1050             value = "hide";
1051         }
1052
1053         CharSequence[] values = mShowNonRectClip.getEntryValues();
1054         for (int i = 0; i < values.length; i++) {
1055             if (value.contentEquals(values[i])) {
1056                 mShowNonRectClip.setValueIndex(i);
1057                 mShowNonRectClip.setSummary(mShowNonRectClip.getEntries()[i]);
1058                 return;
1059             }
1060         }
1061         mShowNonRectClip.setValueIndex(0);
1062         mShowNonRectClip.setSummary(mShowNonRectClip.getEntries()[0]);
1063     }
1064
1065     private void writeShowNonRectClipOptions(Object newValue) {
1066         SystemProperties.set(HardwareRenderer.DEBUG_SHOW_NON_RECTANGULAR_CLIP_PROPERTY,
1067                 newValue == null ? "" : newValue.toString());
1068         pokeSystemProperties();
1069         updateShowNonRectClipOptions();
1070     }
1071
1072     private void updateShowHwScreenUpdatesOptions() {
1073         updateSwitchPreference(mShowHwScreenUpdates,
1074                 SystemProperties.getBoolean(HardwareRenderer.DEBUG_DIRTY_REGIONS_PROPERTY, false));
1075     }
1076
1077     private void writeShowHwScreenUpdatesOptions() {
1078         SystemProperties.set(HardwareRenderer.DEBUG_DIRTY_REGIONS_PROPERTY,
1079                 mShowHwScreenUpdates.isChecked() ? "true" : null);
1080         pokeSystemProperties();
1081     }
1082
1083     private void updateShowHwLayersUpdatesOptions() {
1084         updateSwitchPreference(mShowHwLayersUpdates, SystemProperties.getBoolean(
1085                 HardwareRenderer.DEBUG_SHOW_LAYERS_UPDATES_PROPERTY, false));
1086     }
1087
1088     private void writeShowHwLayersUpdatesOptions() {
1089         SystemProperties.set(HardwareRenderer.DEBUG_SHOW_LAYERS_UPDATES_PROPERTY,
1090                 mShowHwLayersUpdates.isChecked() ? "true" : null);
1091         pokeSystemProperties();
1092     }
1093
1094     private void updateDebugHwOverdrawOptions() {
1095         String value = SystemProperties.get(HardwareRenderer.DEBUG_OVERDRAW_PROPERTY);
1096         if (value == null) {
1097             value = "";
1098         }
1099
1100         CharSequence[] values = mDebugHwOverdraw.getEntryValues();
1101         for (int i = 0; i < values.length; i++) {
1102             if (value.contentEquals(values[i])) {
1103                 mDebugHwOverdraw.setValueIndex(i);
1104                 mDebugHwOverdraw.setSummary(mDebugHwOverdraw.getEntries()[i]);
1105                 return;
1106             }
1107         }
1108         mDebugHwOverdraw.setValueIndex(0);
1109         mDebugHwOverdraw.setSummary(mDebugHwOverdraw.getEntries()[0]);
1110     }
1111
1112     private void writeDebugHwOverdrawOptions(Object newValue) {
1113         SystemProperties.set(HardwareRenderer.DEBUG_OVERDRAW_PROPERTY,
1114                 newValue == null ? "" : newValue.toString());
1115         pokeSystemProperties();
1116         updateDebugHwOverdrawOptions();
1117     }
1118
1119     private void updateDebugLayoutOptions() {
1120         updateSwitchPreference(mDebugLayout,
1121                 SystemProperties.getBoolean(View.DEBUG_LAYOUT_PROPERTY, false));
1122     }
1123
1124     private void writeDebugLayoutOptions() {
1125         SystemProperties.set(View.DEBUG_LAYOUT_PROPERTY,
1126                 mDebugLayout.isChecked() ? "true" : "false");
1127         pokeSystemProperties();
1128     }
1129
1130     private void updateSimulateColorSpace() {
1131         final ContentResolver cr = getContentResolver();
1132         final boolean enabled = Settings.Secure.getInt(
1133                 cr, Settings.Secure.ACCESSIBILITY_DISPLAY_DALTONIZER_ENABLED, 0) != 0;
1134         if (enabled) {
1135             final String mode = Integer.toString(Settings.Secure.getInt(
1136                     cr, Settings.Secure.ACCESSIBILITY_DISPLAY_DALTONIZER,
1137                     AccessibilityManager.DALTONIZER_DISABLED));
1138             mSimulateColorSpace.setValue(mode);
1139             final int index = mSimulateColorSpace.findIndexOfValue(mode);
1140             if (index < 0) {
1141                 // We're using a mode controlled by accessibility preferences.
1142                 mSimulateColorSpace.setSummary(getString(R.string.daltonizer_type_overridden,
1143                         getString(R.string.accessibility_display_daltonizer_preference_title)));
1144             } else {
1145                 mSimulateColorSpace.setSummary("%s");
1146             }
1147         } else {
1148             mSimulateColorSpace.setValue(
1149                     Integer.toString(AccessibilityManager.DALTONIZER_DISABLED));
1150         }
1151     }
1152
1153     /**
1154      * @return <code>true</code> if the color space preference is currently
1155      *         controlled by development settings
1156      */
1157     private boolean usingDevelopmentColorSpace() {
1158         final ContentResolver cr = getContentResolver();
1159         final boolean enabled = Settings.Secure.getInt(
1160                 cr, Settings.Secure.ACCESSIBILITY_DISPLAY_DALTONIZER_ENABLED, 0) != 0;
1161         if (enabled) {
1162             final String mode = Integer.toString(Settings.Secure.getInt(
1163                     cr, Settings.Secure.ACCESSIBILITY_DISPLAY_DALTONIZER,
1164                     AccessibilityManager.DALTONIZER_DISABLED));
1165             final int index = mSimulateColorSpace.findIndexOfValue(mode);
1166             if (index >= 0) {
1167                 // We're using a mode controlled by developer preferences.
1168                 return true;
1169             }
1170         }
1171         return false;
1172     }
1173
1174     private void writeSimulateColorSpace(Object value) {
1175         final ContentResolver cr = getContentResolver();
1176         final int newMode = Integer.parseInt(value.toString());
1177         if (newMode < 0) {
1178             Settings.Secure.putInt(cr, Settings.Secure.ACCESSIBILITY_DISPLAY_DALTONIZER_ENABLED, 0);
1179         } else {
1180             Settings.Secure.putInt(cr, Settings.Secure.ACCESSIBILITY_DISPLAY_DALTONIZER_ENABLED, 1);
1181             Settings.Secure.putInt(cr, Settings.Secure.ACCESSIBILITY_DISPLAY_DALTONIZER, newMode);
1182         }
1183     }
1184
1185     private void updateTweakUi() {
1186         updateSwitchPreference(mTunerUiPref, getActivity().getPackageManager()
1187                 .getComponentEnabledSetting(SYSUI_TUNER)
1188                 == PackageManager.COMPONENT_ENABLED_STATE_ENABLED);
1189         mTunerUiPref.setOnPreferenceChangeListener(this);
1190     }
1191
1192     private void writeTweakUi(Object newValue) {
1193         Boolean enabled = (Boolean) newValue;
1194         getActivity().getPackageManager().setComponentEnabledSetting(SYSUI_TUNER,
1195                 enabled ? PackageManager.COMPONENT_ENABLED_STATE_ENABLED
1196                         : PackageManager.COMPONENT_ENABLED_STATE_DISABLED,
1197                         PackageManager.DONT_KILL_APP);
1198     }
1199
1200     private void updateUSBAudioOptions() {
1201         updateSwitchPreference(mUSBAudio, Settings.Secure.getInt(getContentResolver(),
1202                 Settings.Secure.USB_AUDIO_AUTOMATIC_ROUTING_DISABLED, 0) != 0);
1203     }
1204
1205     private void writeUSBAudioOptions() {
1206         Settings.Secure.putInt(getContentResolver(),
1207                 Settings.Secure.USB_AUDIO_AUTOMATIC_ROUTING_DISABLED,
1208                 mUSBAudio.isChecked() ? 1 : 0);
1209     }
1210
1211     private void updateForceRtlOptions() {
1212         updateSwitchPreference(mForceRtlLayout,
1213                 Settings.Global.getInt(getActivity().getContentResolver(),
1214                 Settings.Global.DEVELOPMENT_FORCE_RTL, 0) != 0);
1215     }
1216
1217     private void writeForceRtlOptions() {
1218         boolean value = mForceRtlLayout.isChecked();
1219         Settings.Global.putInt(getActivity().getContentResolver(),
1220                 Settings.Global.DEVELOPMENT_FORCE_RTL, value ? 1 : 0);
1221         SystemProperties.set(Settings.Global.DEVELOPMENT_FORCE_RTL, value ? "1" : "0");
1222         LocalePicker.updateLocale(getActivity().getResources().getConfiguration().locale);
1223     }
1224
1225     private void updateWifiDisplayCertificationOptions() {
1226         updateSwitchPreference(mWifiDisplayCertification, Settings.Global.getInt(
1227                 getActivity().getContentResolver(),
1228                 Settings.Global.WIFI_DISPLAY_CERTIFICATION_ON, 0) != 0);
1229     }
1230
1231     private void writeWifiDisplayCertificationOptions() {
1232         Settings.Global.putInt(getActivity().getContentResolver(),
1233                 Settings.Global.WIFI_DISPLAY_CERTIFICATION_ON,
1234                 mWifiDisplayCertification.isChecked() ? 1 : 0);
1235     }
1236
1237     private void updateWifiVerboseLoggingOptions() {
1238         boolean enabled = mWifiManager.getVerboseLoggingLevel() > 0;
1239         updateSwitchPreference(mWifiVerboseLogging, enabled);
1240     }
1241
1242     private void writeWifiVerboseLoggingOptions() {
1243         mWifiManager.enableVerboseLogging(mWifiVerboseLogging.isChecked() ? 1 : 0);
1244     }
1245
1246     private void updateWifiAggressiveHandoverOptions() {
1247         boolean enabled = mWifiManager.getAggressiveHandover() > 0;
1248         updateSwitchPreference(mWifiAggressiveHandover, enabled);
1249     }
1250
1251     private void writeWifiAggressiveHandoverOptions() {
1252         mWifiManager.enableAggressiveHandover(mWifiAggressiveHandover.isChecked() ? 1 : 0);
1253     }
1254
1255     private void updateWifiAllowScansWithTrafficOptions() {
1256         boolean enabled = mWifiManager.getAllowScansWithTraffic() > 0;
1257         updateSwitchPreference(mWifiAllowScansWithTraffic, enabled);
1258     }
1259
1260     private void writeWifiAllowScansWithTrafficOptions() {
1261         mWifiManager.setAllowScansWithTraffic(mWifiAllowScansWithTraffic.isChecked() ? 1 : 0);
1262     }
1263
1264     private void updateLegacyDhcpClientOptions() {
1265         updateSwitchPreference(mLegacyDhcpClient, Settings.Global.getInt(
1266                 getActivity().getContentResolver(),
1267                 Settings.Global.LEGACY_DHCP_CLIENT, 0) != 0);
1268     }
1269
1270     private void writeLegacyDhcpClientOptions() {
1271         Settings.Global.putInt(getActivity().getContentResolver(),
1272                 Settings.Global.LEGACY_DHCP_CLIENT,
1273                 mLegacyDhcpClient.isChecked() ? 1 : 0);
1274     }
1275
1276     private void updateMobileDataAlwaysOnOptions() {
1277         updateSwitchPreference(mMobileDataAlwaysOn, Settings.Global.getInt(
1278                 getActivity().getContentResolver(),
1279                 Settings.Global.MOBILE_DATA_ALWAYS_ON, 0) != 0);
1280     }
1281
1282     private void writeMobileDataAlwaysOnOptions() {
1283         Settings.Global.putInt(getActivity().getContentResolver(),
1284                 Settings.Global.MOBILE_DATA_ALWAYS_ON,
1285                 mMobileDataAlwaysOn.isChecked() ? 1 : 0);
1286     }
1287
1288     private void updateLogdSizeValues() {
1289         if (mLogdSize != null) {
1290             String currentValue = SystemProperties.get(SELECT_LOGD_SIZE_PROPERTY);
1291             if (currentValue == null) {
1292                 currentValue = SystemProperties.get(SELECT_LOGD_DEFAULT_SIZE_PROPERTY);
1293                 if (currentValue == null) {
1294                     currentValue = "256K";
1295                 }
1296             }
1297             String[] values = getResources().getStringArray(R.array.select_logd_size_values);
1298             String[] titles = getResources().getStringArray(R.array.select_logd_size_titles);
1299             if (SystemProperties.get("ro.config.low_ram").equals("true")) {
1300                 mLogdSize.setEntries(R.array.select_logd_size_lowram_titles);
1301                 titles = getResources().getStringArray(R.array.select_logd_size_lowram_titles);
1302             }
1303             String[] summaries = getResources().getStringArray(R.array.select_logd_size_summaries);
1304             int index = 1; // punt to second entry if not found
1305             for (int i = 0; i < titles.length; i++) {
1306                 if (currentValue.equals(values[i])
1307                         || currentValue.equals(titles[i])) {
1308                     index = i;
1309                     break;
1310                 }
1311             }
1312             mLogdSize.setValue(values[index]);
1313             mLogdSize.setSummary(summaries[index]);
1314             mLogdSize.setOnPreferenceChangeListener(this);
1315         }
1316     }
1317
1318     private void writeLogdSizeOption(Object newValue) {
1319         String currentValue = SystemProperties.get(SELECT_LOGD_DEFAULT_SIZE_PROPERTY);
1320         if (currentValue != null) {
1321             DEFAULT_LOG_RING_BUFFER_SIZE_IN_BYTES = currentValue;
1322         }
1323         final String size = (newValue != null) ?
1324                 newValue.toString() : DEFAULT_LOG_RING_BUFFER_SIZE_IN_BYTES;
1325         SystemProperties.set(SELECT_LOGD_SIZE_PROPERTY, size);
1326         pokeSystemProperties();
1327         try {
1328             Process p = Runtime.getRuntime().exec("logcat -b all -G " + size);
1329             p.waitFor();
1330             Log.i(TAG, "Logcat ring buffer sizes set to: " + size);
1331         } catch (Exception e) {
1332             Log.w(TAG, "Cannot set logcat ring buffer sizes", e);
1333         }
1334         updateLogdSizeValues();
1335     }
1336
1337     private void updateUsbConfigurationValues() {
1338         if (mUsbConfiguration != null) {
1339             String currentValue = SystemProperties.get(SELECT_USB_CONFIGURATION_PROPERTY);
1340
1341             // Ignore adb interface. The USB Manager adds or removes adb automatically
1342             // depending on if USB debugging is enabled.
1343             int adbIndex = currentValue.indexOf(",adb");
1344             if (adbIndex > 0) {
1345                 currentValue = currentValue.substring(0, adbIndex);
1346             }
1347
1348             String[] values = getResources().getStringArray(R.array.usb_configuration_values);
1349             String[] titles = getResources().getStringArray(R.array.usb_configuration_titles);
1350             int index = 1; // punt to second entry if not found
1351             for (int i = 0; i < titles.length; i++) {
1352                 if (currentValue.equals(values[i])) {
1353                     index = i;
1354                     break;
1355                 }
1356             }
1357             if (index >= 0) {
1358                 mUsbConfiguration.setValue(values[index]);
1359                 mUsbConfiguration.setSummary(titles[index]);
1360             } else {
1361                 mUsbConfiguration.setValue("");
1362                 mUsbConfiguration.setSummary("");
1363             }
1364             mUsbConfiguration.setOnPreferenceChangeListener(this);
1365         }
1366     }
1367
1368     private void writeUsbConfigurationOption(Object newValue) {
1369         UsbManager manager = (UsbManager)getActivity().getSystemService(Context.USB_SERVICE);
1370         manager.setCurrentFunction(newValue.toString());
1371     }
1372
1373     private void updateCpuUsageOptions() {
1374         updateSwitchPreference(mShowCpuUsage,
1375                 Settings.Global.getInt(getActivity().getContentResolver(),
1376                 Settings.Global.SHOW_PROCESSES, 0) != 0);
1377     }
1378
1379     private void writeCpuUsageOptions() {
1380         boolean value = mShowCpuUsage.isChecked();
1381         Settings.Global.putInt(getActivity().getContentResolver(),
1382                 Settings.Global.SHOW_PROCESSES, value ? 1 : 0);
1383         Intent service = (new Intent())
1384                 .setClassName("com.android.systemui", "com.android.systemui.LoadAverageService");
1385         if (value) {
1386             getActivity().startService(service);
1387         } else {
1388             getActivity().stopService(service);
1389         }
1390     }
1391
1392     private void writeImmediatelyDestroyActivitiesOptions() {
1393         try {
1394             ActivityManagerNative.getDefault().setAlwaysFinish(
1395                     mImmediatelyDestroyActivities.isChecked());
1396         } catch (RemoteException ex) {
1397         }
1398     }
1399
1400     private void updateImmediatelyDestroyActivitiesOptions() {
1401         updateSwitchPreference(mImmediatelyDestroyActivities, Settings.Global.getInt(
1402                 getActivity().getContentResolver(), Settings.Global.ALWAYS_FINISH_ACTIVITIES, 0) != 0);
1403     }
1404
1405     private void updateAnimationScaleValue(int which, ListPreference pref) {
1406         try {
1407             float scale = mWindowManager.getAnimationScale(which);
1408             if (scale != 1) {
1409                 mHaveDebugSettings = true;
1410             }
1411             CharSequence[] values = pref.getEntryValues();
1412             for (int i=0; i<values.length; i++) {
1413                 float val = Float.parseFloat(values[i].toString());
1414                 if (scale <= val) {
1415                     pref.setValueIndex(i);
1416                     pref.setSummary(pref.getEntries()[i]);
1417                     return;
1418                 }
1419             }
1420             pref.setValueIndex(values.length-1);
1421             pref.setSummary(pref.getEntries()[0]);
1422         } catch (RemoteException e) {
1423         }
1424     }
1425
1426     private void updateAnimationScaleOptions() {
1427         updateAnimationScaleValue(0, mWindowAnimationScale);
1428         updateAnimationScaleValue(1, mTransitionAnimationScale);
1429         updateAnimationScaleValue(2, mAnimatorDurationScale);
1430     }
1431
1432     private void writeAnimationScaleOption(int which, ListPreference pref, Object newValue) {
1433         try {
1434             float scale = newValue != null ? Float.parseFloat(newValue.toString()) : 1;
1435             mWindowManager.setAnimationScale(which, scale);
1436             updateAnimationScaleValue(which, pref);
1437         } catch (RemoteException e) {
1438         }
1439     }
1440
1441     private void updateOverlayDisplayDevicesOptions() {
1442         String value = Settings.Global.getString(getActivity().getContentResolver(),
1443                 Settings.Global.OVERLAY_DISPLAY_DEVICES);
1444         if (value == null) {
1445             value = "";
1446         }
1447
1448         CharSequence[] values = mOverlayDisplayDevices.getEntryValues();
1449         for (int i = 0; i < values.length; i++) {
1450             if (value.contentEquals(values[i])) {
1451                 mOverlayDisplayDevices.setValueIndex(i);
1452                 mOverlayDisplayDevices.setSummary(mOverlayDisplayDevices.getEntries()[i]);
1453                 return;
1454             }
1455         }
1456         mOverlayDisplayDevices.setValueIndex(0);
1457         mOverlayDisplayDevices.setSummary(mOverlayDisplayDevices.getEntries()[0]);
1458     }
1459
1460     private void writeOverlayDisplayDevicesOptions(Object newValue) {
1461         Settings.Global.putString(getActivity().getContentResolver(),
1462                 Settings.Global.OVERLAY_DISPLAY_DEVICES, (String)newValue);
1463         updateOverlayDisplayDevicesOptions();
1464     }
1465
1466     private void updateOpenGLTracesOptions() {
1467         String value = SystemProperties.get(OPENGL_TRACES_PROPERTY);
1468         if (value == null) {
1469             value = "";
1470         }
1471
1472         CharSequence[] values = mOpenGLTraces.getEntryValues();
1473         for (int i = 0; i < values.length; i++) {
1474             if (value.contentEquals(values[i])) {
1475                 mOpenGLTraces.setValueIndex(i);
1476                 mOpenGLTraces.setSummary(mOpenGLTraces.getEntries()[i]);
1477                 return;
1478             }
1479         }
1480         mOpenGLTraces.setValueIndex(0);
1481         mOpenGLTraces.setSummary(mOpenGLTraces.getEntries()[0]);
1482     }
1483
1484     private void writeOpenGLTracesOptions(Object newValue) {
1485         SystemProperties.set(OPENGL_TRACES_PROPERTY, newValue == null ? "" : newValue.toString());
1486         pokeSystemProperties();
1487         updateOpenGLTracesOptions();
1488     }
1489
1490     private void updateAppProcessLimitOptions() {
1491         try {
1492             int limit = ActivityManagerNative.getDefault().getProcessLimit();
1493             CharSequence[] values = mAppProcessLimit.getEntryValues();
1494             for (int i=0; i<values.length; i++) {
1495                 int val = Integer.parseInt(values[i].toString());
1496                 if (val >= limit) {
1497                     if (i != 0) {
1498                         mHaveDebugSettings = true;
1499                     }
1500                     mAppProcessLimit.setValueIndex(i);
1501                     mAppProcessLimit.setSummary(mAppProcessLimit.getEntries()[i]);
1502                     return;
1503                 }
1504             }
1505             mAppProcessLimit.setValueIndex(0);
1506             mAppProcessLimit.setSummary(mAppProcessLimit.getEntries()[0]);
1507         } catch (RemoteException e) {
1508         }
1509     }
1510
1511     private void writeAppProcessLimitOptions(Object newValue) {
1512         try {
1513             int limit = newValue != null ? Integer.parseInt(newValue.toString()) : -1;
1514             ActivityManagerNative.getDefault().setProcessLimit(limit);
1515             updateAppProcessLimitOptions();
1516         } catch (RemoteException e) {
1517         }
1518     }
1519
1520     private void writeShowAllANRsOptions() {
1521         Settings.Secure.putInt(getActivity().getContentResolver(),
1522                 Settings.Secure.ANR_SHOW_BACKGROUND,
1523                 mShowAllANRs.isChecked() ? 1 : 0);
1524     }
1525
1526     private void updateShowAllANRsOptions() {
1527         updateSwitchPreference(mShowAllANRs, Settings.Secure.getInt(
1528                 getActivity().getContentResolver(), Settings.Secure.ANR_SHOW_BACKGROUND, 0) != 0);
1529     }
1530
1531     private void confirmEnableOemUnlock() {
1532         DialogInterface.OnClickListener onConfirmListener = new DialogInterface.OnClickListener() {
1533             @Override
1534             public void onClick(DialogInterface dialog, int which) {
1535                 Utils.setOemUnlockEnabled(getActivity(), true);
1536                 updateAllOptions();
1537             }
1538         };
1539
1540         new AlertDialog.Builder(getActivity())
1541                 .setTitle(R.string.confirm_enable_oem_unlock_title)
1542                 .setMessage(R.string.confirm_enable_oem_unlock_text)
1543                 .setPositiveButton(R.string.enable_text, onConfirmListener)
1544                 .setNegativeButton(android.R.string.cancel, null)
1545                 .create()
1546                 .show();
1547     }
1548
1549     private void confirmEnableMultiWindowMode() {
1550         DialogInterface.OnClickListener onConfirmListener = new DialogInterface.OnClickListener() {
1551             @Override
1552             public void onClick(DialogInterface dialog, int which) {
1553                 setEnableMultiWindow((which == DialogInterface.BUTTON_POSITIVE) ? true : false);
1554                 updateAllOptions();
1555             }
1556         };
1557
1558         new AlertDialog.Builder(getActivity())
1559                 .setTitle(R.string.confirm_enable_multi_window_title)
1560                 .setMessage(R.string.confirm_enable_multi_window_text)
1561                 .setPositiveButton(R.string.enable_text, onConfirmListener)
1562                 .setNegativeButton(android.R.string.cancel, onConfirmListener)
1563                 .create()
1564                 .show();
1565     }
1566
1567     @Override
1568     public void onSwitchChanged(Switch switchView, boolean isChecked) {
1569         if (switchView != mSwitchBar.getSwitch()) {
1570             return;
1571         }
1572         if (isChecked != mLastEnabledState) {
1573             if (isChecked) {
1574                 mDialogClicked = false;
1575                 if (mEnableDialog != null) dismissDialogs();
1576                 mEnableDialog = new AlertDialog.Builder(getActivity()).setMessage(
1577                         getActivity().getResources().getString(
1578                                 R.string.dev_settings_warning_message))
1579                         .setTitle(R.string.dev_settings_warning_title)
1580                         .setPositiveButton(android.R.string.yes, this)
1581                         .setNegativeButton(android.R.string.no, this)
1582                         .show();
1583                 mEnableDialog.setOnDismissListener(this);
1584             } else {
1585                 resetDangerousOptions();
1586                 Settings.Global.putInt(getActivity().getContentResolver(),
1587                         Settings.Global.DEVELOPMENT_SETTINGS_ENABLED, 0);
1588                 mLastEnabledState = isChecked;
1589                 setPrefsEnabledState(mLastEnabledState);
1590             }
1591         }
1592     }
1593
1594     @Override
1595     public void onActivityResult(int requestCode, int resultCode, Intent data) {
1596         if (requestCode == RESULT_DEBUG_APP) {
1597             if (resultCode == Activity.RESULT_OK) {
1598                 mDebugApp = data.getAction();
1599                 writeDebuggerOptions();
1600                 updateDebuggerOptions();
1601             }
1602         } else if (requestCode == RESULT_MOCK_LOCATION_APP) {
1603             if (resultCode == Activity.RESULT_OK) {
1604                 mMockLocationApp = data.getAction();
1605                 writeMockLocation();
1606                 updateMockLocation();
1607             }
1608         } else if (requestCode == REQUEST_CODE_ENABLE_OEM_UNLOCK) {
1609             if (resultCode == Activity.RESULT_OK) {
1610                 if (mEnableOemUnlock.isChecked()) {
1611                     confirmEnableOemUnlock();
1612                 } else {
1613                     Utils.setOemUnlockEnabled(getActivity(), false);
1614                 }
1615             }
1616         } else {
1617             super.onActivityResult(requestCode, resultCode, data);
1618         }
1619     }
1620
1621     @Override
1622     public boolean onPreferenceTreeClick(PreferenceScreen preferenceScreen, Preference preference) {
1623         if (Utils.isMonkeyRunning()) {
1624             return false;
1625         }
1626
1627         if (preference == mEnableAdb) {
1628             if (mEnableAdb.isChecked()) {
1629                 mDialogClicked = false;
1630                 if (mAdbDialog != null) dismissDialogs();
1631                 mAdbDialog = new AlertDialog.Builder(getActivity()).setMessage(
1632                         getActivity().getResources().getString(R.string.adb_warning_message))
1633                         .setTitle(R.string.adb_warning_title)
1634                         .setPositiveButton(android.R.string.yes, this)
1635                         .setNegativeButton(android.R.string.no, this)
1636                         .show();
1637                 mAdbDialog.setOnDismissListener(this);
1638             } else {
1639                 Settings.Global.putInt(getActivity().getContentResolver(),
1640                         Settings.Global.ADB_ENABLED, 0);
1641                 mVerifyAppsOverUsb.setEnabled(false);
1642                 mVerifyAppsOverUsb.setChecked(false);
1643                 updateBugreportOptions();
1644             }
1645         } else if (preference == mClearAdbKeys) {
1646             if (mAdbKeysDialog != null) dismissDialogs();
1647             mAdbKeysDialog = new AlertDialog.Builder(getActivity())
1648                         .setMessage(R.string.adb_keys_warning_message)
1649                         .setPositiveButton(android.R.string.ok, this)
1650                         .setNegativeButton(android.R.string.cancel, null)
1651                         .show();
1652         } else if (preference == mEnableTerminal) {
1653             final PackageManager pm = getActivity().getPackageManager();
1654             pm.setApplicationEnabledSetting(TERMINAL_APP_PACKAGE,
1655                     mEnableTerminal.isChecked() ? PackageManager.COMPONENT_ENABLED_STATE_ENABLED
1656                             : PackageManager.COMPONENT_ENABLED_STATE_DEFAULT, 0);
1657         } else if (preference == mBugreportInPower) {
1658             Settings.Secure.putInt(getActivity().getContentResolver(),
1659                     Settings.Secure.BUGREPORT_IN_POWER_MENU,
1660                     mBugreportInPower.isChecked() ? 1 : 0);
1661         } else if (preference == mKeepScreenOn) {
1662             Settings.Global.putInt(getActivity().getContentResolver(),
1663                     Settings.Global.STAY_ON_WHILE_PLUGGED_IN,
1664                     mKeepScreenOn.isChecked() ?
1665                             (BatteryManager.BATTERY_PLUGGED_AC | BatteryManager.BATTERY_PLUGGED_USB) : 0);
1666         } else if (preference == mBtHciSnoopLog) {
1667             writeBtHciSnoopLogOptions();
1668         } else if (preference == mEnableOemUnlock) {
1669             if (!showKeyguardConfirmation(getResources(), REQUEST_CODE_ENABLE_OEM_UNLOCK)) {
1670                 if (mEnableOemUnlock.isChecked()) {
1671                     confirmEnableOemUnlock();
1672                 } else {
1673                     Utils.setOemUnlockEnabled(getActivity(), false);
1674                 }
1675             }
1676         } else if (preference == mMockLocationAppPref) {
1677             Intent intent = new Intent(getActivity(), AppPicker.class);
1678             intent.putExtra(AppPicker.EXTRA_REQUESTIING_PERMISSION,
1679                     Manifest.permission.ACCESS_MOCK_LOCATION);
1680             startActivityForResult(intent, RESULT_MOCK_LOCATION_APP);
1681         } else if (preference == mDebugViewAttributes) {
1682             Settings.Global.putInt(getActivity().getContentResolver(),
1683                     Settings.Global.DEBUG_VIEW_ATTRIBUTES,
1684                     mDebugViewAttributes.isChecked() ? 1 : 0);
1685         } else if (preference == mDebugAppPref) {
1686             Intent intent = new Intent(getActivity(), AppPicker.class);
1687             intent.putExtra(AppPicker.EXTRA_DEBUGGABLE, true);
1688             startActivityForResult(intent, RESULT_DEBUG_APP);
1689         } else if (preference == mWaitForDebugger) {
1690             writeDebuggerOptions();
1691         } else if (preference == mVerifyAppsOverUsb) {
1692             writeVerifyAppsOverUsbOptions();
1693         } else if (preference == mStrictMode) {
1694             writeStrictModeVisualOptions();
1695         } else if (preference == mPointerLocation) {
1696             writePointerLocationOptions();
1697         } else if (preference == mShowTouches) {
1698             writeShowTouchesOptions();
1699         } else if (preference == mShowScreenUpdates) {
1700             writeShowUpdatesOption();
1701         } else if (preference == mDisableOverlays) {
1702             writeDisableOverlaysOption();
1703         } else if (preference == mEnableMultiWindow) {
1704             if (mEnableMultiWindow.isChecked()) {
1705                 confirmEnableMultiWindowMode();
1706             } else {
1707                 setEnableMultiWindow(false);
1708             }
1709         } else if (preference == mShowCpuUsage) {
1710             writeCpuUsageOptions();
1711         } else if (preference == mImmediatelyDestroyActivities) {
1712             writeImmediatelyDestroyActivitiesOptions();
1713         } else if (preference == mShowAllANRs) {
1714             writeShowAllANRsOptions();
1715         } else if (preference == mForceHardwareUi) {
1716             writeHardwareUiOptions();
1717         } else if (preference == mForceMsaa) {
1718             writeMsaaOptions();
1719         } else if (preference == mShowHwScreenUpdates) {
1720             writeShowHwScreenUpdatesOptions();
1721         } else if (preference == mShowHwLayersUpdates) {
1722             writeShowHwLayersUpdatesOptions();
1723         } else if (preference == mDebugLayout) {
1724             writeDebugLayoutOptions();
1725         } else if (preference == mForceRtlLayout) {
1726             writeForceRtlOptions();
1727         } else if (preference == mWifiDisplayCertification) {
1728             writeWifiDisplayCertificationOptions();
1729         } else if (preference == mWifiVerboseLogging) {
1730             writeWifiVerboseLoggingOptions();
1731         } else if (preference == mWifiAggressiveHandover) {
1732             writeWifiAggressiveHandoverOptions();
1733         } else if (preference == mWifiAllowScansWithTraffic) {
1734             writeWifiAllowScansWithTrafficOptions();
1735         } else if (preference == mLegacyDhcpClient) {
1736             writeLegacyDhcpClientOptions();
1737         } else if (preference == mMobileDataAlwaysOn) {
1738             writeMobileDataAlwaysOnOptions();
1739         } else if (preference == mUSBAudio) {
1740             writeUSBAudioOptions();
1741         } else if (INACTIVE_APPS_KEY.equals(preference.getKey())) {
1742             startInactiveAppsFragment();
1743         } else {
1744             return super.onPreferenceTreeClick(preferenceScreen, preference);
1745         }
1746
1747         return false;
1748     }
1749
1750     private void startInactiveAppsFragment() {
1751         ((SettingsActivity) getActivity()).startPreferencePanel(
1752                 InactiveApps.class.getName(),
1753                 null, R.string.inactive_apps_title, null, null, 0);
1754     }
1755
1756     private boolean showKeyguardConfirmation(Resources resources, int requestCode) {
1757         return new ChooseLockSettingsHelper(getActivity(), this).launchConfirmationActivity(
1758                 requestCode, resources.getString(R.string.oem_unlock_enable));
1759     }
1760
1761     @Override
1762     public boolean onPreferenceChange(Preference preference, Object newValue) {
1763         if (HDCP_CHECKING_KEY.equals(preference.getKey())) {
1764             SystemProperties.set(HDCP_CHECKING_PROPERTY, newValue.toString());
1765             updateHdcpValues();
1766             pokeSystemProperties();
1767             return true;
1768         } else if (preference == mLogdSize) {
1769             writeLogdSizeOption(newValue);
1770             return true;
1771         } else if (preference == mUsbConfiguration) {
1772             writeUsbConfigurationOption(newValue);
1773             return true;
1774         } else if (preference == mWindowAnimationScale) {
1775             writeAnimationScaleOption(0, mWindowAnimationScale, newValue);
1776             return true;
1777         } else if (preference == mTransitionAnimationScale) {
1778             writeAnimationScaleOption(1, mTransitionAnimationScale, newValue);
1779             return true;
1780         } else if (preference == mAnimatorDurationScale) {
1781             writeAnimationScaleOption(2, mAnimatorDurationScale, newValue);
1782             return true;
1783         } else if (preference == mOverlayDisplayDevices) {
1784             writeOverlayDisplayDevicesOptions(newValue);
1785             return true;
1786         } else if (preference == mOpenGLTraces) {
1787             writeOpenGLTracesOptions(newValue);
1788             return true;
1789         } else if (preference == mTrackFrameTime) {
1790             writeTrackFrameTimeOptions(newValue);
1791             return true;
1792         } else if (preference == mDebugHwOverdraw) {
1793             writeDebugHwOverdrawOptions(newValue);
1794             return true;
1795         } else if (preference == mShowNonRectClip) {
1796             writeShowNonRectClipOptions(newValue);
1797             return true;
1798         } else if (preference == mAppProcessLimit) {
1799             writeAppProcessLimitOptions(newValue);
1800             return true;
1801         } else if (preference == mSimulateColorSpace) {
1802             writeSimulateColorSpace(newValue);
1803             return true;
1804         } else if (preference == mTunerUiPref) {
1805             writeTweakUi(newValue);
1806             return true;
1807         }
1808         return false;
1809     }
1810
1811     private void dismissDialogs() {
1812         if (mAdbDialog != null) {
1813             mAdbDialog.dismiss();
1814             mAdbDialog = null;
1815         }
1816         if (mAdbKeysDialog != null) {
1817             mAdbKeysDialog.dismiss();
1818             mAdbKeysDialog = null;
1819         }
1820         if (mEnableDialog != null) {
1821             mEnableDialog.dismiss();
1822             mEnableDialog = null;
1823         }
1824     }
1825
1826     public void onClick(DialogInterface dialog, int which) {
1827         if (dialog == mAdbDialog) {
1828             if (which == DialogInterface.BUTTON_POSITIVE) {
1829                 mDialogClicked = true;
1830                 Settings.Global.putInt(getActivity().getContentResolver(),
1831                         Settings.Global.ADB_ENABLED, 1);
1832                 mVerifyAppsOverUsb.setEnabled(true);
1833                 updateVerifyAppsOverUsbOptions();
1834                 updateBugreportOptions();
1835             } else {
1836                 // Reset the toggle
1837                 mEnableAdb.setChecked(false);
1838             }
1839         } else if (dialog == mAdbKeysDialog) {
1840             if (which == DialogInterface.BUTTON_POSITIVE) {
1841                 try {
1842                     IBinder b = ServiceManager.getService(Context.USB_SERVICE);
1843                     IUsbManager service = IUsbManager.Stub.asInterface(b);
1844                     service.clearUsbDebuggingKeys();
1845                 } catch (RemoteException e) {
1846                     Log.e(TAG, "Unable to clear adb keys", e);
1847                 }
1848             }
1849         } else if (dialog == mEnableDialog) {
1850             if (which == DialogInterface.BUTTON_POSITIVE) {
1851                 mDialogClicked = true;
1852                 Settings.Global.putInt(getActivity().getContentResolver(),
1853                         Settings.Global.DEVELOPMENT_SETTINGS_ENABLED, 1);
1854                 mLastEnabledState = true;
1855                 setPrefsEnabledState(mLastEnabledState);
1856             } else {
1857                 // Reset the toggle
1858                 mSwitchBar.setChecked(false);
1859             }
1860         }
1861     }
1862
1863     public void onDismiss(DialogInterface dialog) {
1864         // Assuming that onClick gets called first
1865         if (dialog == mAdbDialog) {
1866             if (!mDialogClicked) {
1867                 mEnableAdb.setChecked(false);
1868             }
1869             mAdbDialog = null;
1870         } else if (dialog == mEnableDialog) {
1871             if (!mDialogClicked) {
1872                 mSwitchBar.setChecked(false);
1873             }
1874             mEnableDialog = null;
1875         }
1876     }
1877
1878     @Override
1879     public void onDestroy() {
1880         dismissDialogs();
1881         super.onDestroy();
1882     }
1883
1884     void pokeSystemProperties() {
1885         if (!mDontPokeProperties) {
1886             //noinspection unchecked
1887             (new SystemPropPoker()).execute();
1888         }
1889     }
1890
1891     private BroadcastReceiver mUsbReceiver = new BroadcastReceiver() {
1892         @Override
1893         public void onReceive(Context context, Intent intent) {
1894             updateUsbConfigurationValues();
1895         }
1896     };
1897
1898     static class SystemPropPoker extends AsyncTask<Void, Void, Void> {
1899         @Override
1900         protected Void doInBackground(Void... params) {
1901             String[] services;
1902             try {
1903                 services = ServiceManager.listServices();
1904             } catch (RemoteException e) {
1905                 return null;
1906             }
1907             for (String service : services) {
1908                 IBinder obj = ServiceManager.checkService(service);
1909                 if (obj != null) {
1910                     Parcel data = Parcel.obtain();
1911                     try {
1912                         obj.transact(IBinder.SYSPROPS_TRANSACTION, data, null, 0);
1913                     } catch (RemoteException e) {
1914                     } catch (Exception e) {
1915                         Log.i(TAG, "Someone wrote a bad service '" + service
1916                                 + "' that doesn't like to be poked: " + e);
1917                     }
1918                     data.recycle();
1919                 }
1920             }
1921             return null;
1922         }
1923     }
1924
1925     private static boolean isPackageInstalled(Context context, String packageName) {
1926         try {
1927             return context.getPackageManager().getPackageInfo(packageName, 0) != null;
1928         } catch (NameNotFoundException e) {
1929             return false;
1930         }
1931     }
1932
1933     /**
1934      * For Search.
1935      */
1936     public static final Indexable.SearchIndexProvider SEARCH_INDEX_DATA_PROVIDER =
1937             new BaseSearchIndexProvider() {
1938
1939                 private boolean isShowingDeveloperOptions(Context context) {
1940                     return context.getSharedPreferences(DevelopmentSettings.PREF_FILE,
1941                             Context.MODE_PRIVATE).getBoolean(
1942                                     DevelopmentSettings.PREF_SHOW,
1943                                     android.os.Build.TYPE.equals("eng"));
1944                 }
1945
1946                 @Override
1947                 public List<SearchIndexableResource> getXmlResourcesToIndex(
1948                         Context context, boolean enabled) {
1949
1950                     if (!isShowingDeveloperOptions(context)) {
1951                         return null;
1952                     }
1953
1954                     final SearchIndexableResource sir = new SearchIndexableResource(context);
1955                     sir.xmlResId = R.xml.development_prefs;
1956                     return Arrays.asList(sir);
1957                 }
1958
1959                 @Override
1960                 public List<String> getNonIndexableKeys(Context context) {
1961                     if (!isShowingDeveloperOptions(context)) {
1962                         return null;
1963                     }
1964
1965                     final List<String> keys = new ArrayList<String>();
1966                     if (!showEnableOemUnlockPreference()) {
1967                         keys.add(ENABLE_OEM_UNLOCK);
1968                     }
1969                     if (!showEnableMultiWindowPreference()) {
1970                         keys.add(ENABLE_MULTI_WINDOW_KEY);
1971                     }
1972                     return keys;
1973                 }
1974             };
1975 }