src/com/android/settings/DevelopmentSettings.java

   1 /*
   2  * Copyright (C) 2008 The Android Open Source Project
   3  *
   4  * Licensed under the Apache License, Version 2.0 (the "License");
   5  * you may not use this file except in compliance with the License.
   6  * You may obtain a copy of the License at
   7  *
   8  *      http://www.apache.org/licenses/LICENSE-2.0
   9  *
  10  * Unless required by applicable law or agreed to in writing, software
  11  * distributed under the License is distributed on an "AS IS" BASIS,
  12  * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
  13  * See the License for the specific language governing permissions and
  14  * limitations under the License.
  15  */
  16
  17 package com.android.settings;
  18
  19 import android.Manifest;
  20 import android.app.Activity;
  21 import android.app.ActivityManagerNative;
  22 import android.app.AlertDialog;
  23 import android.app.AppOpsManager;
  24 import android.app.AppOpsManager.PackageOps;
  25 import android.app.Dialog;
  26 import android.app.admin.DevicePolicyManager;
  27 import android.app.backup.IBackupManager;
  28 import android.bluetooth.BluetoothAdapter;
  29 import android.content.BroadcastReceiver;
  30 import android.content.ComponentName;
  31 import android.content.ContentResolver;
  32 import android.content.Context;
  33 import android.content.DialogInterface;
  34 import android.content.Intent;
  35 import android.content.IntentFilter;
  36 import android.content.pm.ApplicationInfo;
  37 import android.content.pm.PackageManager;
  38 import android.content.pm.PackageManager.NameNotFoundException;
  39 import android.content.pm.ResolveInfo;
  40 import android.content.res.Resources;
  41 import android.hardware.usb.IUsbManager;
  42 import android.hardware.usb.UsbManager;
  43 import android.net.wifi.WifiManager;
  44 import android.os.AsyncTask;
  45 import android.os.BatteryManager;
  46 import android.os.Build;
  47 import android.os.Bundle;
  48 import android.os.IBinder;
  49 import android.os.Parcel;
  50 import android.os.RemoteException;
  51 import android.os.ServiceManager;
  52 import android.os.StrictMode;
  53 import android.os.SystemProperties;
  54 import android.os.UserHandle;
  55 import android.os.UserManager;
  56 import android.preference.ListPreference;
  57 import android.preference.Preference;
  58 import android.preference.Preference.OnPreferenceChangeListener;
  59 import android.preference.PreferenceGroup;
  60 import android.preference.PreferenceScreen;
  61 import android.preference.SwitchPreference;
  62 import android.provider.SearchIndexableResource;
  63 import android.provider.Settings;
  64 import android.text.TextUtils;
  65 import android.util.Log;
  66 import android.view.HardwareRenderer;
  67 import android.view.IWindowManager;
  68 import android.view.LayoutInflater;
  69 import android.view.View;
  70 import android.view.ViewGroup;
  71 import android.view.accessibility.AccessibilityManager;
  72 import android.widget.Switch;
  73 import android.widget.TextView;
  74
  75 import com.android.internal.logging.MetricsLogger;
  76 import com.android.settings.fuelgauge.InactiveApps;
  77 import com.android.settings.search.BaseSearchIndexProvider;
  78 import com.android.settings.search.Indexable;
  79 import com.android.settings.widget.SwitchBar;
  80
  81 import java.util.ArrayList;
  82 import java.util.Arrays;
  83 import java.util.HashSet;
  84 import java.util.List;
  85
  86 /*
  87  * Displays preferences for application developers.
  88  */
  89 public class DevelopmentSettings extends SettingsPreferenceFragment
  90         implements DialogInterface.OnClickListener, DialogInterface.OnDismissListener,
  91                 OnPreferenceChangeListener, SwitchBar.OnSwitchChangeListener, Indexable {
  92     private static final String TAG = "DevelopmentSettings";
  93
  94     /**
  95      * Preference file were development settings prefs are stored.
  96      */
  97     public static final String PREF_FILE = "development";
  98
  99     /**
 100      * Whether to show the development settings to the user.  Default is false.
 101      */
 102     public static final String PREF_SHOW = "show";
 103
 104     private static final String ENABLE_ADB = "enable_adb";
 105     private static final String CLEAR_ADB_KEYS = "clear_adb_keys";
 106     private static final String ENABLE_TERMINAL = "enable_terminal";
 107     private static final String KEEP_SCREEN_ON = "keep_screen_on";
 108     private static final String BT_HCI_SNOOP_LOG = "bt_hci_snoop_log";
 109     private static final String ENABLE_OEM_UNLOCK = "oem_unlock_enable";
 110     private static final String HDCP_CHECKING_KEY = "hdcp_checking";
 111     private static final String HDCP_CHECKING_PROPERTY = "persist.sys.hdcp_checking";
 112     private static final String LOCAL_BACKUP_PASSWORD = "local_backup_password";
 113     private static final String HARDWARE_UI_PROPERTY = "persist.sys.ui.hw";
 114     private static final String MSAA_PROPERTY = "debug.egl.force_msaa";
 115     private static final String BUGREPORT = "bugreport";
 116     private static final String BUGREPORT_IN_POWER_KEY = "bugreport_in_power";
 117     private static final String OPENGL_TRACES_PROPERTY = "debug.egl.trace";
 118     private static final String TUNER_UI_KEY = "tuner_ui";
 119
 120     private static final String DEBUG_APP_KEY = "debug_app";
 121     private static final String WAIT_FOR_DEBUGGER_KEY = "wait_for_debugger";
 122     private static final String MOCK_LOCATION_APP_KEY = "mock_location_app";
 123     private static final String VERIFY_APPS_OVER_USB_KEY = "verify_apps_over_usb";
 124     private static final String DEBUG_VIEW_ATTRIBUTES =  "debug_view_attributes";
 125     private static final String STRICT_MODE_KEY = "strict_mode";
 126     private static final String POINTER_LOCATION_KEY = "pointer_location";
 127     private static final String SHOW_TOUCHES_KEY = "show_touches";
 128     private static final String SHOW_SCREEN_UPDATES_KEY = "show_screen_updates";
 129     private static final String DISABLE_OVERLAYS_KEY = "disable_overlays";
 130     private static final String SIMULATE_COLOR_SPACE = "simulate_color_space";
 131     private static final String USB_AUDIO_KEY = "usb_audio";
 132     private static final String SHOW_CPU_USAGE_KEY = "show_cpu_usage";
 133     private static final String FORCE_HARDWARE_UI_KEY = "force_hw_ui";
 134     private static final String FORCE_MSAA_KEY = "force_msaa";
 135     private static final String TRACK_FRAME_TIME_KEY = "track_frame_time";
 136     private static final String SHOW_NON_RECTANGULAR_CLIP_KEY = "show_non_rect_clip";
 137     private static final String SHOW_HW_SCREEN_UPDATES_KEY = "show_hw_screen_udpates";
 138     private static final String SHOW_HW_LAYERS_UPDATES_KEY = "show_hw_layers_udpates";
 139     private static final String DEBUG_HW_OVERDRAW_KEY = "debug_hw_overdraw";
 140     private static final String DEBUG_LAYOUT_KEY = "debug_layout";
 141     private static final String FORCE_RTL_LAYOUT_KEY = "force_rtl_layout_all_locales";
 142     private static final String WINDOW_ANIMATION_SCALE_KEY = "window_animation_scale";
 143     private static final String TRANSITION_ANIMATION_SCALE_KEY = "transition_animation_scale";
 144     private static final String ANIMATOR_DURATION_SCALE_KEY = "animator_duration_scale";
 145     private static final String OVERLAY_DISPLAY_DEVICES_KEY = "overlay_display_devices";
 146     private static final String ENABLE_MULTI_WINDOW_KEY = "enable_multi_window";
 147     private static final String DEBUG_DEBUGGING_CATEGORY_KEY = "debug_debugging_category";
 148     private static final String SELECT_LOGD_SIZE_KEY = "select_logd_size";
 149     private static final String SELECT_LOGD_SIZE_PROPERTY = "persist.logd.size";
 150     private static final String SELECT_LOGD_DEFAULT_SIZE_PROPERTY = "ro.logd.size";
 151
 152     private static final String WIFI_DISPLAY_CERTIFICATION_KEY = "wifi_display_certification";
 153     private static final String WIFI_VERBOSE_LOGGING_KEY = "wifi_verbose_logging";
 154     private static final String WIFI_AGGRESSIVE_HANDOVER_KEY = "wifi_aggressive_handover";
 155     private static final String WIFI_ALLOW_SCAN_WITH_TRAFFIC_KEY = "wifi_allow_scan_with_traffic";
 156     private static final String USB_CONFIGURATION_KEY = "select_usb_configuration";
 157     private static final String WIFI_LEGACY_DHCP_CLIENT_KEY = "legacy_dhcp_client";
 158     private static final String MOBILE_DATA_ALWAYS_ON = "mobile_data_always_on";
 159
 160     private static final String INACTIVE_APPS_KEY = "inactive_apps";
 161
 162     private static final String OPENGL_TRACES_KEY = "enable_opengl_traces";
 163
 164     private static final String ROOT_ACCESS_KEY = "root_access";
 165     private static final String ROOT_ACCESS_PROPERTY = "persist.sys.root_access";
 166
 167     private static final String IMMEDIATELY_DESTROY_ACTIVITIES_KEY
 168             = "immediately_destroy_activities";
 169     private static final String APP_PROCESS_LIMIT_KEY = "app_process_limit";
 170
 171     private static final String SHOW_ALL_ANRS_KEY = "show_all_anrs";
 172
 173     private static final String PACKAGE_MIME_TYPE = "application/vnd.android.package-archive";
 174
 175     private static final String TERMINAL_APP_PACKAGE = "com.android.terminal";
 176
 177     private static final int RESULT_DEBUG_APP = 1000;
 178     private static final int RESULT_MOCK_LOCATION_APP = 1001;
 179
 180     private static final String PERSISTENT_DATA_BLOCK_PROP = "ro.frp.pst";
 181
 182     private static final int REQUEST_CODE_ENABLE_OEM_UNLOCK = 0;
 183
 184     private static String DEFAULT_LOG_RING_BUFFER_SIZE_IN_BYTES = "262144"; // 256K
 185
 186     private static final int[] MOCK_LOCATION_APP_OPS = new int[] {AppOpsManager.OP_MOCK_LOCATION};
 187
 188     private static final String MULTI_WINDOW_SYSTEM_PROPERTY = "persist.sys.debug.multi_window";
 189     private IWindowManager mWindowManager;
 190     private IBackupManager mBackupManager;
 191     private DevicePolicyManager mDpm;
 192     private UserManager mUm;
 193     private WifiManager mWifiManager;
 194
 195     private SwitchBar mSwitchBar;
 196     private boolean mLastEnabledState;
 197     private boolean mHaveDebugSettings;
 198     private boolean mDontPokeProperties;
 199
 200     private SwitchPreference mEnableAdb;
 201     private Preference mClearAdbKeys;
 202     private SwitchPreference mEnableTerminal;
 203     private Preference mBugreport;
 204     private SwitchPreference mBugreportInPower;
 205     private SwitchPreference mKeepScreenOn;
 206     private SwitchPreference mBtHciSnoopLog;
 207     private SwitchPreference mEnableOemUnlock;
 208     private SwitchPreference mDebugViewAttributes;
 209
 210     private PreferenceScreen mPassword;
 211     private String mDebugApp;
 212     private Preference mDebugAppPref;
 213
 214     private String mMockLocationApp;
 215     private Preference mMockLocationAppPref;
 216
 217     private SwitchPreference mWaitForDebugger;
 218     private SwitchPreference mVerifyAppsOverUsb;
 219     private SwitchPreference mWifiDisplayCertification;
 220     private SwitchPreference mWifiVerboseLogging;
 221     private SwitchPreference mWifiAggressiveHandover;
 222     private SwitchPreference mLegacyDhcpClient;
 223     private SwitchPreference mMobileDataAlwaysOn;
 224
 225     private SwitchPreference mWifiAllowScansWithTraffic;
 226     private SwitchPreference mStrictMode;
 227     private SwitchPreference mPointerLocation;
 228     private SwitchPreference mShowTouches;
 229     private SwitchPreference mShowScreenUpdates;
 230     private SwitchPreference mDisableOverlays;
 231     private SwitchPreference mEnableMultiWindow;
 232     private SwitchPreference mShowCpuUsage;
 233     private SwitchPreference mForceHardwareUi;
 234     private SwitchPreference mForceMsaa;
 235     private SwitchPreference mShowHwScreenUpdates;
 236     private SwitchPreference mShowHwLayersUpdates;
 237     private SwitchPreference mDebugLayout;
 238     private SwitchPreference mForceRtlLayout;
 239     private ListPreference mDebugHwOverdraw;
 240     private ListPreference mLogdSize;
 241     private ListPreference mUsbConfiguration;
 242     private ListPreference mTrackFrameTime;
 243     private ListPreference mShowNonRectClip;
 244     private ListPreference mWindowAnimationScale;
 245     private ListPreference mTransitionAnimationScale;
 246     private ListPreference mAnimatorDurationScale;
 247     private ListPreference mOverlayDisplayDevices;
 248     private ListPreference mOpenGLTraces;
 249
 250     private ListPreference mSimulateColorSpace;
 251
 252     private SwitchPreference mUSBAudio;
 253     private SwitchPreference mImmediatelyDestroyActivities;
 254
 255     private ListPreference mAppProcessLimit;
 256
 257     private SwitchPreference mShowAllANRs;
 258
 259     private PreferenceScreen mProcessStats;
 260     private ListPreference mRootAccess;
 261     private Object mSelectedRootValue;
 262
 263     private final ArrayList<Preference> mAllPrefs = new ArrayList<Preference>();
 264
 265     private final ArrayList<SwitchPreference> mResetSwitchPrefs
 266             = new ArrayList<SwitchPreference>();
 267
 268     private final HashSet<Preference> mDisabledPrefs = new HashSet<Preference>();
 269     // To track whether a confirmation dialog was clicked.
 270     private boolean mDialogClicked;
 271     private Dialog mEnableDialog;
 272     private Dialog mAdbDialog;
 273
 274     private Dialog mAdbKeysDialog;
 275     private boolean mUnavailable;
 276     private Dialog mRootDialog;
 277
 278     @Override
 279     protected int getMetricsCategory() {
 280         return MetricsLogger.DEVELOPMENT;
 281     }
 282
 283     @Override
 284     public void onCreate(Bundle icicle) {
 285         super.onCreate(icicle);
 286
 287         mWindowManager = IWindowManager.Stub.asInterface(ServiceManager.getService("window"));
 288         mBackupManager = IBackupManager.Stub.asInterface(
 289                 ServiceManager.getService(Context.BACKUP_SERVICE));
 290         mDpm = (DevicePolicyManager)getActivity().getSystemService(Context.DEVICE_POLICY_SERVICE);
 291         mUm = (UserManager) getSystemService(Context.USER_SERVICE);
 292
 293         mWifiManager = (WifiManager) getSystemService(Context.WIFI_SERVICE);
 294
 295         if (android.os.Process.myUserHandle().getIdentifier() != UserHandle.USER_OWNER
 296                 || mUm.hasUserRestriction(UserManager.DISALLOW_DEBUGGING_FEATURES)) {
 297             mUnavailable = true;
 298             setPreferenceScreen(new PreferenceScreen(getActivity(), null));
 299             return;
 300         }
 301
 302         addPreferencesFromResource(R.xml.development_prefs);
 303
 304         final PreferenceGroup debugDebuggingCategory = (PreferenceGroup)
 305                 findPreference(DEBUG_DEBUGGING_CATEGORY_KEY);
 306         mEnableAdb = findAndInitSwitchPref(ENABLE_ADB);
 307         mClearAdbKeys = findPreference(CLEAR_ADB_KEYS);
 308         if (!SystemProperties.getBoolean("ro.adb.secure", false)) {
 309             if (debugDebuggingCategory != null) {
 310                 debugDebuggingCategory.removePreference(mClearAdbKeys);
 311             }
 312         }
 313         mAllPrefs.add(mClearAdbKeys);
 314         mEnableTerminal = findAndInitSwitchPref(ENABLE_TERMINAL);
 315         if (!isPackageInstalled(getActivity(), TERMINAL_APP_PACKAGE)) {
 316             debugDebuggingCategory.removePreference(mEnableTerminal);
 317             mEnableTerminal = null;
 318         }
 319
 320         mBugreport = findPreference(BUGREPORT);
 321         mBugreportInPower = findAndInitSwitchPref(BUGREPORT_IN_POWER_KEY);
 322         mKeepScreenOn = findAndInitSwitchPref(KEEP_SCREEN_ON);
 323         mBtHciSnoopLog = findAndInitSwitchPref(BT_HCI_SNOOP_LOG);
 324         mEnableOemUnlock = findAndInitSwitchPref(ENABLE_OEM_UNLOCK);
 325         if (!showEnableOemUnlockPreference()) {
 326             removePreference(mEnableOemUnlock);
 327             mEnableOemUnlock = null;
 328         }
 329
 330         mDebugViewAttributes = findAndInitSwitchPref(DEBUG_VIEW_ATTRIBUTES);
 331         mPassword = (PreferenceScreen) findPreference(LOCAL_BACKUP_PASSWORD);
 332         mAllPrefs.add(mPassword);
 333
 334
 335         if (!android.os.Process.myUserHandle().equals(UserHandle.OWNER)) {
 336             disableForUser(mEnableAdb);
 337             disableForUser(mClearAdbKeys);
 338             disableForUser(mEnableTerminal);
 339             disableForUser(mPassword);
 340         }
 341
 342         mDebugAppPref = findPreference(DEBUG_APP_KEY);
 343         mAllPrefs.add(mDebugAppPref);
 344         mWaitForDebugger = findAndInitSwitchPref(WAIT_FOR_DEBUGGER_KEY);
 345
 346         mMockLocationAppPref = findPreference(MOCK_LOCATION_APP_KEY);
 347         mAllPrefs.add(mMockLocationAppPref);
 348
 349         mVerifyAppsOverUsb = findAndInitSwitchPref(VERIFY_APPS_OVER_USB_KEY);
 350         if (!showVerifierSetting()) {
 351             if (debugDebuggingCategory != null) {
 352                 debugDebuggingCategory.removePreference(mVerifyAppsOverUsb);
 353             } else {
 354                 mVerifyAppsOverUsb.setEnabled(false);
 355             }
 356         }
 357         mStrictMode = findAndInitSwitchPref(STRICT_MODE_KEY);
 358         mPointerLocation = findAndInitSwitchPref(POINTER_LOCATION_KEY);
 359         mShowTouches = findAndInitSwitchPref(SHOW_TOUCHES_KEY);
 360         mShowScreenUpdates = findAndInitSwitchPref(SHOW_SCREEN_UPDATES_KEY);
 361         mDisableOverlays = findAndInitSwitchPref(DISABLE_OVERLAYS_KEY);
 362         mShowCpuUsage = findAndInitSwitchPref(SHOW_CPU_USAGE_KEY);
 363         mForceHardwareUi = findAndInitSwitchPref(FORCE_HARDWARE_UI_KEY);
 364         mForceMsaa = findAndInitSwitchPref(FORCE_MSAA_KEY);
 365         mTrackFrameTime = addListPreference(TRACK_FRAME_TIME_KEY);
 366         mShowNonRectClip = addListPreference(SHOW_NON_RECTANGULAR_CLIP_KEY);
 367         mShowHwScreenUpdates = findAndInitSwitchPref(SHOW_HW_SCREEN_UPDATES_KEY);
 368         mShowHwLayersUpdates = findAndInitSwitchPref(SHOW_HW_LAYERS_UPDATES_KEY);
 369         mDebugLayout = findAndInitSwitchPref(DEBUG_LAYOUT_KEY);
 370         mForceRtlLayout = findAndInitSwitchPref(FORCE_RTL_LAYOUT_KEY);
 371         mDebugHwOverdraw = addListPreference(DEBUG_HW_OVERDRAW_KEY);
 372         mWifiDisplayCertification = findAndInitSwitchPref(WIFI_DISPLAY_CERTIFICATION_KEY);
 373         mWifiVerboseLogging = findAndInitSwitchPref(WIFI_VERBOSE_LOGGING_KEY);
 374         mWifiAggressiveHandover = findAndInitSwitchPref(WIFI_AGGRESSIVE_HANDOVER_KEY);
 375         mWifiAllowScansWithTraffic = findAndInitSwitchPref(WIFI_ALLOW_SCAN_WITH_TRAFFIC_KEY);
 376         mLegacyDhcpClient = findAndInitSwitchPref(WIFI_LEGACY_DHCP_CLIENT_KEY);
 377         mMobileDataAlwaysOn = findAndInitSwitchPref(MOBILE_DATA_ALWAYS_ON);
 378         mLogdSize = addListPreference(SELECT_LOGD_SIZE_KEY);
 379         mUsbConfiguration = addListPreference(USB_CONFIGURATION_KEY);
 380
 381         mWindowAnimationScale = addListPreference(WINDOW_ANIMATION_SCALE_KEY);
 382         mTransitionAnimationScale = addListPreference(TRANSITION_ANIMATION_SCALE_KEY);
 383         mAnimatorDurationScale = addListPreference(ANIMATOR_DURATION_SCALE_KEY);
 384         mOverlayDisplayDevices = addListPreference(OVERLAY_DISPLAY_DEVICES_KEY);
 385         mEnableMultiWindow = findAndInitSwitchPref(ENABLE_MULTI_WINDOW_KEY);
 386         if (!showEnableMultiWindowPreference()) {
 387             final PreferenceGroup drawingGroup =
 388                     (PreferenceGroup)findPreference("debug_drawing_category");
 389             if (drawingGroup != null) {
 390                 drawingGroup.removePreference(mEnableMultiWindow);
 391             } else {
 392                 mEnableMultiWindow.setEnabled(false);
 393             }
 394             removePreference(mEnableMultiWindow);
 395             mEnableMultiWindow = null;
 396         }
 397         mOpenGLTraces = addListPreference(OPENGL_TRACES_KEY);
 398         mSimulateColorSpace = addListPreference(SIMULATE_COLOR_SPACE);
 399         mUSBAudio = findAndInitSwitchPref(USB_AUDIO_KEY);
 400
 401         mImmediatelyDestroyActivities = (SwitchPreference) findPreference(
 402                 IMMEDIATELY_DESTROY_ACTIVITIES_KEY);
 403         mAllPrefs.add(mImmediatelyDestroyActivities);
 404         mResetSwitchPrefs.add(mImmediatelyDestroyActivities);
 405
 406         mAppProcessLimit = addListPreference(APP_PROCESS_LIMIT_KEY);
 407
 408         mShowAllANRs = (SwitchPreference) findPreference(
 409                 SHOW_ALL_ANRS_KEY);
 410         mAllPrefs.add(mShowAllANRs);
 411         mResetSwitchPrefs.add(mShowAllANRs);
 412
 413         Preference hdcpChecking = findPreference(HDCP_CHECKING_KEY);
 414         if (hdcpChecking != null) {
 415             mAllPrefs.add(hdcpChecking);
 416             removePreferenceForProduction(hdcpChecking);
 417         }
 418
 419         mRootAccess = (ListPreference) findPreference(ROOT_ACCESS_KEY);
 420         mRootAccess.setOnPreferenceChangeListener(this);
 421         if (!removeRootOptionsIfRequired()) {
 422             mAllPrefs.add(mRootAccess);
 423         }
 424     }
 425
 426     private ListPreference addListPreference(String prefKey) {
 427         ListPreference pref = (ListPreference) findPreference(prefKey);
 428         mAllPrefs.add(pref);
 429         pref.setOnPreferenceChangeListener(this);
 430         return pref;
 431     }
 432
 433     private void disableForUser(Preference pref) {
 434         if (pref != null) {
 435             pref.setEnabled(false);
 436             mDisabledPrefs.add(pref);
 437         }
 438     }
 439
 440     private SwitchPreference findAndInitSwitchPref(String key) {
 441         SwitchPreference pref = (SwitchPreference) findPreference(key);
 442         if (pref == null) {
 443             throw new IllegalArgumentException("Cannot find preference with key = " + key);
 444         }
 445         mAllPrefs.add(pref);
 446         mResetSwitchPrefs.add(pref);
 447         return pref;
 448     }
 449
 450     private boolean removeRootOptionsIfRequired() {
 451         // user builds don't get root, and eng always gets root
 452         if (!(Build.IS_DEBUGGABLE || "eng".equals(Build.TYPE))) {
 453             if (mRootAccess != null) {
 454                 getPreferenceScreen().removePreference(mRootAccess);
 455                 return true;
 456             }
 457         }
 458
 459         return false;
 460     }
 461
 462     @Override
 463     public void onActivityCreated(Bundle savedInstanceState) {
 464         super.onActivityCreated(savedInstanceState);
 465
 466         final SettingsActivity activity = (SettingsActivity) getActivity();
 467
 468         mSwitchBar = activity.getSwitchBar();
 469        if (mUnavailable) {
 470             mSwitchBar.setEnabled(false);
 471             return;
 472         }
 473
 474         mSwitchBar.addOnSwitchChangeListener(this);
 475     }
 476
 477     private boolean removePreferenceForProduction(Preference preference) {
 478         if ("user".equals(Build.TYPE)) {
 479             removePreference(preference);
 480             return true;
 481         }
 482         return false;
 483     }
 484
 485     private void removePreference(Preference preference) {
 486         getPreferenceScreen().removePreference(preference);
 487         mAllPrefs.remove(preference);
 488         mResetSwitchPrefs.remove(preference);
 489     }
 490
 491     private void setPrefsEnabledState(boolean enabled) {
 492         for (int i = 0; i < mAllPrefs.size(); i++) {
 493             Preference pref = mAllPrefs.get(i);
 494             pref.setEnabled(enabled && !mDisabledPrefs.contains(pref));
 495         }
 496         updateAllOptions();
 497     }
 498
 499     @Override
 500     public void onResume() {
 501         super.onResume();
 502
 503         if (mUnavailable) {
 504             // Show error message
 505             TextView emptyView = (TextView) getView().findViewById(android.R.id.empty);
 506             getListView().setEmptyView(emptyView);
 507             if (emptyView != null) {
 508                 emptyView.setText(R.string.development_settings_not_available);
 509             }
 510             return;
 511         }
 512
 513         if (mDpm.getMaximumTimeToLock(null) > 0) {
 514             // A DeviceAdmin has specified a maximum time until the device
 515             // will lock...  in this case we can't allow the user to turn
 516             // on "stay awake when plugged in" because that would defeat the
 517             // restriction.
 518             mDisabledPrefs.add(mKeepScreenOn);
 519         } else {
 520             mDisabledPrefs.remove(mKeepScreenOn);
 521         }
 522
 523         final ContentResolver cr = getActivity().getContentResolver();
 524         mLastEnabledState = Settings.Global.getInt(cr,
 525                 Settings.Global.DEVELOPMENT_SETTINGS_ENABLED, 0) != 0;
 526         mSwitchBar.setChecked(mLastEnabledState);
 527         setPrefsEnabledState(mLastEnabledState);
 528
 529         if (mHaveDebugSettings && !mLastEnabledState) {
 530             // Overall debugging is disabled, but there are some debug
 531             // settings that are enabled.  This is an invalid state.  Switch
 532             // to debug settings being enabled, so the user knows there is
 533             // stuff enabled and can turn it all off if they want.
 534             Settings.Global.putInt(getActivity().getContentResolver(),
 535                     Settings.Global.DEVELOPMENT_SETTINGS_ENABLED, 1);
 536             mLastEnabledState = true;
 537             mSwitchBar.setChecked(mLastEnabledState);
 538             setPrefsEnabledState(mLastEnabledState);
 539         }
 540         mSwitchBar.show();
 541     }
 542
 543     @Override
 544     public View onCreateView(LayoutInflater inflater, ViewGroup container,
 545             Bundle savedInstanceState) {
 546         IntentFilter filter = new IntentFilter();
 547         filter.addAction(UsbManager.ACTION_USB_STATE);
 548         getActivity().registerReceiver(mUsbReceiver, filter);
 549         return super.onCreateView(inflater, container, savedInstanceState);
 550     }
 551
 552     @Override
 553     public void onDestroyView() {
 554         super.onDestroyView();
 555
 556         if (mUnavailable) {
 557             return;
 558         }
 559         mSwitchBar.removeOnSwitchChangeListener(this);
 560         mSwitchBar.hide();
 561         getActivity().unregisterReceiver(mUsbReceiver);
 562     }
 563
 564     void updateSwitchPreference(SwitchPreference switchPreference, boolean value) {
 565         switchPreference.setChecked(value);
 566         mHaveDebugSettings |= value;
 567     }
 568
 569     private void updateAllOptions() {
 570         final Context context = getActivity();
 571         final ContentResolver cr = context.getContentResolver();
 572         mHaveDebugSettings = false;
 573         updateSwitchPreference(mEnableAdb, Settings.Global.getInt(cr,
 574                 Settings.Global.ADB_ENABLED, 0) != 0);
 575         if (mEnableTerminal != null) {
 576             updateSwitchPreference(mEnableTerminal,
 577                     context.getPackageManager().getApplicationEnabledSetting(TERMINAL_APP_PACKAGE)
 578                             == PackageManager.COMPONENT_ENABLED_STATE_ENABLED);
 579         }
 580         updateSwitchPreference(mBugreportInPower, Settings.Secure.getInt(cr,
 581                 Settings.Secure.BUGREPORT_IN_POWER_MENU, 0) != 0);
 582         updateSwitchPreference(mKeepScreenOn, Settings.Global.getInt(cr,
 583                 Settings.Global.STAY_ON_WHILE_PLUGGED_IN, 0) != 0);
 584         updateSwitchPreference(mBtHciSnoopLog, Settings.Secure.getInt(cr,
 585                 Settings.Secure.BLUETOOTH_HCI_LOG, 0) != 0);
 586         if (mEnableOemUnlock != null) {
 587             updateSwitchPreference(mEnableOemUnlock, Utils.isOemUnlockEnabled(getActivity()));
 588         }
 589         updateSwitchPreference(mDebugViewAttributes, Settings.Global.getInt(cr,
 590                 Settings.Global.DEBUG_VIEW_ATTRIBUTES, 0) != 0);
 591         updateHdcpValues();
 592         updatePasswordSummary();
 593         updateDebuggerOptions();
 594         updateMockLocation();
 595         updateStrictModeVisualOptions();
 596         updatePointerLocationOptions();
 597         updateShowTouchesOptions();
 598         updateFlingerOptions();
 599         updateCpuUsageOptions();
 600         updateHardwareUiOptions();
 601         updateMsaaOptions();
 602         updateTrackFrameTimeOptions();
 603         updateShowNonRectClipOptions();
 604         updateShowHwScreenUpdatesOptions();
 605         updateShowHwLayersUpdatesOptions();
 606         updateDebugHwOverdrawOptions();
 607         updateDebugLayoutOptions();
 608         updateAnimationScaleOptions();
 609         updateOverlayDisplayDevicesOptions();
 610         if (mEnableMultiWindow != null) {
 611             updateSwitchPreference(mEnableMultiWindow,
 612                     SystemProperties.getBoolean(MULTI_WINDOW_SYSTEM_PROPERTY, false));
 613         }
 614         updateOpenGLTracesOptions();
 615         updateImmediatelyDestroyActivitiesOptions();
 616         updateAppProcessLimitOptions();
 617         updateShowAllANRsOptions();
 618         updateVerifyAppsOverUsbOptions();
 619         updateBugreportOptions();
 620         updateForceRtlOptions();
 621         updateLogdSizeValues();
 622         updateWifiDisplayCertificationOptions();
 623         updateWifiVerboseLoggingOptions();
 624         updateWifiAggressiveHandoverOptions();
 625         updateWifiAllowScansWithTrafficOptions();
 626         updateLegacyDhcpClientOptions();
 627         updateMobileDataAlwaysOnOptions();
 628         updateSimulateColorSpace();
 629         updateUSBAudioOptions();
 630         updateUSBAudioOptions();
 631     }
 632
 633     private void resetDangerousOptions() {
 634         mDontPokeProperties = true;
 635         for (int i=0; i< mResetSwitchPrefs.size(); i++) {
 636             SwitchPreference cb = mResetSwitchPrefs.get(i);
 637             if (cb.isChecked()) {
 638                 cb.setChecked(false);
 639                 onPreferenceTreeClick(null, cb);
 640             }
 641         }
 642         resetDebuggerOptions();
 643         writeLogdSizeOption(null);
 644         resetRootAccessOptions();
 645         writeAnimationScaleOption(0, mWindowAnimationScale, null);
 646         writeAnimationScaleOption(1, mTransitionAnimationScale, null);
 647         writeAnimationScaleOption(2, mAnimatorDurationScale, null);
 648         // Only poke the color space setting if we control it.
 649         if (usingDevelopmentColorSpace()) {
 650             writeSimulateColorSpace(-1);
 651         }
 652         writeOverlayDisplayDevicesOptions(null);
 653         writeAppProcessLimitOptions(null);
 654         mHaveDebugSettings = false;
 655         updateAllOptions();
 656         mDontPokeProperties = false;
 657         pokeSystemProperties();
 658     }
 659
 660    private void updateRootAccessOptions() {
 661         String value = SystemProperties.get(ROOT_ACCESS_PROPERTY, "0");
 662         mRootAccess.setValue(value);
 663         mRootAccess.setSummary(getResources()
 664                 .getStringArray(R.array.root_access_entries)[Integer.valueOf(value)]);
 665     }
 666
 667     public static boolean isRootForAppsEnabled() {
 668         int value = SystemProperties.getInt(ROOT_ACCESS_PROPERTY, 0);
 669         boolean daemonState =
 670                 SystemProperties.get("init.svc.su_daemon", "absent").equals("running");
 671         return daemonState && (value == 1 || value == 3);
 672     }
 673
 674     private void writeRootAccessOptions(Object newValue) {
 675         String oldValue = SystemProperties.get(ROOT_ACCESS_PROPERTY, "0");
 676         SystemProperties.set(ROOT_ACCESS_PROPERTY, newValue.toString());
 677         if (Integer.valueOf(newValue.toString()) < 2 && !oldValue.equals(newValue)
 678                 && "1".equals(SystemProperties.get("service.adb.root", "0"))) {
 679             SystemProperties.set("service.adb.root", "0");
 680             Settings.Secure.putInt(getActivity().getContentResolver(),
 681                     Settings.Secure.ADB_ENABLED, 0);
 682             Settings.Secure.putInt(getActivity().getContentResolver(),
 683                     Settings.Secure.ADB_ENABLED, 1);
 684         }
 685         updateRootAccessOptions();
 686     }
 687
 688     private void resetRootAccessOptions() {
 689         String oldValue = SystemProperties.get(ROOT_ACCESS_PROPERTY, "0");
 690         SystemProperties.set(ROOT_ACCESS_PROPERTY, "0");
 691         if (!oldValue.equals("0") && "1".equals(SystemProperties.get("service.adb.root", "0"))) {
 692             SystemProperties.set("service.adb.root", "0");
 693             Settings.Secure.putInt(getActivity().getContentResolver(),
 694                     Settings.Secure.ADB_ENABLED, 0);
 695             Settings.Secure.putInt(getActivity().getContentResolver(),
 696                     Settings.Secure.ADB_ENABLED, 1);
 697         }
 698         updateRootAccessOptions();
 699     }
 700
 701     private void updateHdcpValues() {
 702         ListPreference hdcpChecking = (ListPreference) findPreference(HDCP_CHECKING_KEY);
 703         if (hdcpChecking != null) {
 704             String currentValue = SystemProperties.get(HDCP_CHECKING_PROPERTY);
 705             String[] values = getResources().getStringArray(R.array.hdcp_checking_values);
 706             String[] summaries = getResources().getStringArray(R.array.hdcp_checking_summaries);
 707             int index = 1; // Defaults to drm-only. Needs to match with R.array.hdcp_checking_values
 708             for (int i = 0; i < values.length; i++) {
 709                 if (currentValue.equals(values[i])) {
 710                     index = i;
 711                     break;
 712                 }
 713             }
 714             hdcpChecking.setValue(values[index]);
 715             hdcpChecking.setSummary(summaries[index]);
 716             hdcpChecking.setOnPreferenceChangeListener(this);
 717         }
 718     }
 719
 720     private void updatePasswordSummary() {
 721         try {
 722             if (mBackupManager.hasBackupPassword()) {
 723                 mPassword.setSummary(R.string.local_backup_password_summary_change);
 724             } else {
 725                 mPassword.setSummary(R.string.local_backup_password_summary_none);
 726             }
 727         } catch (RemoteException e) {
 728             // Not much we can do here
 729         }
 730     }
 731
 732     private void writeBtHciSnoopLogOptions() {
 733         BluetoothAdapter adapter = BluetoothAdapter.getDefaultAdapter();
 734         adapter.configHciSnoopLog(mBtHciSnoopLog.isChecked());
 735         Settings.Secure.putInt(getActivity().getContentResolver(),
 736                 Settings.Secure.BLUETOOTH_HCI_LOG,
 737                 mBtHciSnoopLog.isChecked() ? 1 : 0);
 738     }
 739
 740     private void writeDebuggerOptions() {
 741         try {
 742             ActivityManagerNative.getDefault().setDebugApp(
 743                 mDebugApp, mWaitForDebugger.isChecked(), true);
 744         } catch (RemoteException ex) {
 745         }
 746     }
 747
 748     private void writeMockLocation() {
 749         AppOpsManager appOpsManager = (AppOpsManager) getSystemService(Context.APP_OPS_SERVICE);
 750
 751         // Disable the app op of the previous mock location app if such.
 752         List<PackageOps> packageOps = appOpsManager.getPackagesForOps(MOCK_LOCATION_APP_OPS);
 753         if (packageOps != null) {
 754             // Should be one but in case we are in a bad state due to use of command line tools.
 755             for (PackageOps packageOp : packageOps) {
 756                 if (packageOp.getOps().get(0).getMode() != AppOpsManager.MODE_ERRORED) {
 757                     String oldMockLocationApp = packageOp.getPackageName();
 758                     try {
 759                         ApplicationInfo ai = getActivity().getPackageManager().getApplicationInfo(
 760                                 oldMockLocationApp, PackageManager.GET_DISABLED_COMPONENTS);
 761                         appOpsManager.setMode(AppOpsManager.OP_MOCK_LOCATION, ai.uid,
 762                                 oldMockLocationApp, AppOpsManager.MODE_ERRORED);
 763                     } catch (NameNotFoundException e) {
 764                         /* ignore */
 765                     }
 766                 }
 767             }
 768         }
 769
 770         // Enable the app op of the new mock location app if such.
 771         if (!TextUtils.isEmpty(mMockLocationApp)) {
 772             try {
 773                 ApplicationInfo ai = getActivity().getPackageManager().getApplicationInfo(
 774                         mMockLocationApp, PackageManager.GET_DISABLED_COMPONENTS);
 775                 appOpsManager.setMode(AppOpsManager.OP_MOCK_LOCATION, ai.uid,
 776                         mMockLocationApp, AppOpsManager.MODE_ALLOWED);
 777             } catch (NameNotFoundException e) {
 778                 /* ignore */
 779             }
 780         }
 781     }
 782
 783     private static void resetDebuggerOptions() {
 784         try {
 785             ActivityManagerNative.getDefault().setDebugApp(
 786                     null, false, true);
 787         } catch (RemoteException ex) {
 788         }
 789     }
 790
 791     private void updateDebuggerOptions() {
 792         mDebugApp = Settings.Global.getString(
 793                 getActivity().getContentResolver(), Settings.Global.DEBUG_APP);
 794         updateSwitchPreference(mWaitForDebugger, Settings.Global.getInt(
 795                 getActivity().getContentResolver(), Settings.Global.WAIT_FOR_DEBUGGER, 0) != 0);
 796         if (mDebugApp != null && mDebugApp.length() > 0) {
 797             String label;
 798             try {
 799                 ApplicationInfo ai = getActivity().getPackageManager().getApplicationInfo(mDebugApp,
 800                         PackageManager.GET_DISABLED_COMPONENTS);
 801                 CharSequence lab = getActivity().getPackageManager().getApplicationLabel(ai);
 802                 label = lab != null ? lab.toString() : mDebugApp;
 803             } catch (PackageManager.NameNotFoundException e) {
 804                 label = mDebugApp;
 805             }
 806             mDebugAppPref.setSummary(getResources().getString(R.string.debug_app_set, label));
 807             mWaitForDebugger.setEnabled(true);
 808             mHaveDebugSettings = true;
 809         } else {
 810             mDebugAppPref.setSummary(getResources().getString(R.string.debug_app_not_set));
 811             mWaitForDebugger.setEnabled(false);
 812         }
 813     }
 814
 815     private void updateMockLocation() {
 816         AppOpsManager appOpsManager = (AppOpsManager) getSystemService(Context.APP_OPS_SERVICE);
 817
 818         List<PackageOps> packageOps = appOpsManager.getPackagesForOps(MOCK_LOCATION_APP_OPS);
 819         if (packageOps != null) {
 820             for (PackageOps packageOp : packageOps) {
 821                 if (packageOp.getOps().get(0).getMode() == AppOpsManager.MODE_ALLOWED) {
 822                     mMockLocationApp = packageOps.get(0).getPackageName();
 823                     break;
 824                 }
 825             }
 826         }
 827
 828         if (!TextUtils.isEmpty(mMockLocationApp)) {
 829             String label = mMockLocationApp;
 830             try {
 831                 ApplicationInfo ai = getActivity().getPackageManager().getApplicationInfo(
 832                         mMockLocationApp, PackageManager.GET_DISABLED_COMPONENTS);
 833                 CharSequence appLabel = getPackageManager().getApplicationLabel(ai);
 834                 if (appLabel != null) {
 835                     label = appLabel.toString();
 836                 }
 837             } catch (PackageManager.NameNotFoundException e) {
 838                 /* ignore */
 839             }
 840
 841             mMockLocationAppPref.setSummary(getString(R.string.mock_location_app_set, label));
 842             mHaveDebugSettings = true;
 843         } else {
 844             mMockLocationAppPref.setSummary(getString(R.string.mock_location_app_not_set));
 845         }
 846     }
 847
 848     private void updateVerifyAppsOverUsbOptions() {
 849         updateSwitchPreference(mVerifyAppsOverUsb, Settings.Global.getInt(getActivity().getContentResolver(),
 850                 Settings.Global.PACKAGE_VERIFIER_INCLUDE_ADB, 1) != 0);
 851         mVerifyAppsOverUsb.setEnabled(enableVerifierSetting());
 852     }
 853
 854     private void writeVerifyAppsOverUsbOptions() {
 855         Settings.Global.putInt(getActivity().getContentResolver(),
 856               Settings.Global.PACKAGE_VERIFIER_INCLUDE_ADB, mVerifyAppsOverUsb.isChecked() ? 1 : 0);
 857     }
 858
 859     private boolean enableVerifierSetting() {
 860         final ContentResolver cr = getActivity().getContentResolver();
 861         if (Settings.Global.getInt(cr, Settings.Global.ADB_ENABLED, 0) == 0) {
 862             return false;
 863         }
 864         if (Settings.Global.getInt(cr, Settings.Global.PACKAGE_VERIFIER_ENABLE, 1) == 0) {
 865             return false;
 866         } else {
 867             final PackageManager pm = getActivity().getPackageManager();
 868             final Intent verification = new Intent(Intent.ACTION_PACKAGE_NEEDS_VERIFICATION);
 869             verification.setType(PACKAGE_MIME_TYPE);
 870             verification.addFlags(Intent.FLAG_GRANT_READ_URI_PERMISSION);
 871             final List<ResolveInfo> receivers = pm.queryBroadcastReceivers(verification, 0);
 872             if (receivers.size() == 0) {
 873                 return false;
 874             }
 875         }
 876         return true;
 877     }
 878
 879     private boolean showVerifierSetting() {
 880         return Settings.Global.getInt(getActivity().getContentResolver(),
 881                 Settings.Global.PACKAGE_VERIFIER_SETTING_VISIBLE, 1) > 0;
 882     }
 883
 884     private static boolean showEnableOemUnlockPreference() {
 885         return !SystemProperties.get(PERSISTENT_DATA_BLOCK_PROP).equals("");
 886     }
 887
 888     private static boolean showEnableMultiWindowPreference() {
 889         return !"user".equals(Build.TYPE);
 890     }
 891
 892     private void setEnableMultiWindow(boolean value) {
 893         SystemProperties.set(MULTI_WINDOW_SYSTEM_PROPERTY, String.valueOf(value));
 894         pokeSystemProperties();
 895     }
 896
 897     private void updateBugreportOptions() {
 898         final ComponentName bugreportStorageProviderComponentName =
 899                 new ComponentName("com.android.shell",
 900                         "com.android.shell.BugreportStorageProvider");
 901         if ("user".equals(Build.TYPE)) {
 902             final ContentResolver resolver = getActivity().getContentResolver();
 903             final boolean adbEnabled = Settings.Global.getInt(
 904                     resolver, Settings.Global.ADB_ENABLED, 0) != 0;
 905             if (adbEnabled) {
 906                 mBugreport.setEnabled(true);
 907                 mBugreportInPower.setEnabled(true);
 908                 getPackageManager().setComponentEnabledSetting(
 909                         bugreportStorageProviderComponentName,
 910                         PackageManager.COMPONENT_ENABLED_STATE_ENABLED, 0);
 911             } else {
 912                 mBugreport.setEnabled(false);
 913                 mBugreportInPower.setEnabled(false);
 914                 mBugreportInPower.setChecked(false);
 915                 Settings.Secure.putInt(resolver, Settings.Secure.BUGREPORT_IN_POWER_MENU, 0);
 916                 getPackageManager().setComponentEnabledSetting(
 917                         bugreportStorageProviderComponentName,
 918                         PackageManager.COMPONENT_ENABLED_STATE_DEFAULT, 0);
 919             }
 920         } else {
 921             mBugreportInPower.setEnabled(true);
 922             getPackageManager().setComponentEnabledSetting(
 923                     bugreportStorageProviderComponentName,
 924                     PackageManager.COMPONENT_ENABLED_STATE_ENABLED, 0);
 925         }
 926     }
 927
 928     // Returns the current state of the system property that controls
 929     // strictmode flashes.  One of:
 930     //    0: not explicitly set one way or another
 931     //    1: on
 932     //    2: off
 933     private static int currentStrictModeActiveIndex() {
 934         if (TextUtils.isEmpty(SystemProperties.get(StrictMode.VISUAL_PROPERTY))) {
 935             return 0;
 936         }
 937         boolean enabled = SystemProperties.getBoolean(StrictMode.VISUAL_PROPERTY, false);
 938         return enabled ? 1 : 2;
 939     }
 940
 941     private void writeStrictModeVisualOptions() {
 942         try {
 943             mWindowManager.setStrictModeVisualIndicatorPreference(mStrictMode.isChecked()
 944                     ? "1" : "");
 945         } catch (RemoteException e) {
 946         }
 947     }
 948
 949     private void updateStrictModeVisualOptions() {
 950         updateSwitchPreference(mStrictMode, currentStrictModeActiveIndex() == 1);
 951     }
 952
 953     private void writePointerLocationOptions() {
 954         Settings.System.putInt(getActivity().getContentResolver(),
 955                 Settings.System.POINTER_LOCATION, mPointerLocation.isChecked() ? 1 : 0);
 956     }
 957
 958     private void updatePointerLocationOptions() {
 959         updateSwitchPreference(mPointerLocation,
 960                 Settings.System.getInt(getActivity().getContentResolver(),
 961                 Settings.System.POINTER_LOCATION, 0) != 0);
 962     }
 963
 964     private void writeShowTouchesOptions() {
 965         Settings.System.putInt(getActivity().getContentResolver(),
 966                 Settings.System.SHOW_TOUCHES, mShowTouches.isChecked() ? 1 : 0);
 967     }
 968
 969     private void updateShowTouchesOptions() {
 970         updateSwitchPreference(mShowTouches,
 971                 Settings.System.getInt(getActivity().getContentResolver(),
 972                 Settings.System.SHOW_TOUCHES, 0) != 0);
 973     }
 974
 975     private void updateFlingerOptions() {
 976         // magic communication with surface flinger.
 977         try {
 978             IBinder flinger = ServiceManager.getService("SurfaceFlinger");
 979             if (flinger != null) {
 980                 Parcel data = Parcel.obtain();
 981                 Parcel reply = Parcel.obtain();
 982                 data.writeInterfaceToken("android.ui.ISurfaceComposer");
 983                 flinger.transact(1010, data, reply, 0);
 984                 @SuppressWarnings("unused")
 985                 int showCpu = reply.readInt();
 986                 @SuppressWarnings("unused")
 987                 int enableGL = reply.readInt();
 988                 int showUpdates = reply.readInt();
 989                 updateSwitchPreference(mShowScreenUpdates, showUpdates != 0);
 990                 @SuppressWarnings("unused")
 991                 int showBackground = reply.readInt();
 992                 int disableOverlays = reply.readInt();
 993                 updateSwitchPreference(mDisableOverlays, disableOverlays != 0);
 994                 reply.recycle();
 995                 data.recycle();
 996             }
 997         } catch (RemoteException ex) {
 998         }
 999     }
1000
1001     private void writeShowUpdatesOption() {
1002         try {
1003             IBinder flinger = ServiceManager.getService("SurfaceFlinger");
1004             if (flinger != null) {
1005                 Parcel data = Parcel.obtain();
1006                 data.writeInterfaceToken("android.ui.ISurfaceComposer");
1007                 final int showUpdates = mShowScreenUpdates.isChecked() ? 1 : 0;
1008                 data.writeInt(showUpdates);
1009                 flinger.transact(1002, data, null, 0);
1010                 data.recycle();
1011
1012                 updateFlingerOptions();
1013             }
1014         } catch (RemoteException ex) {
1015         }
1016     }
1017
1018     private void writeDisableOverlaysOption() {
1019         try {
1020             IBinder flinger = ServiceManager.getService("SurfaceFlinger");
1021             if (flinger != null) {
1022                 Parcel data = Parcel.obtain();
1023                 data.writeInterfaceToken("android.ui.ISurfaceComposer");
1024                 final int disableOverlays = mDisableOverlays.isChecked() ? 1 : 0;
1025                 data.writeInt(disableOverlays);
1026                 flinger.transact(1008, data, null, 0);
1027                 data.recycle();
1028
1029                 updateFlingerOptions();
1030             }
1031         } catch (RemoteException ex) {
1032         }
1033     }
1034
1035     private void updateHardwareUiOptions() {
1036         updateSwitchPreference(mForceHardwareUi, SystemProperties.getBoolean(HARDWARE_UI_PROPERTY, false));
1037     }
1038
1039     private void writeHardwareUiOptions() {
1040         SystemProperties.set(HARDWARE_UI_PROPERTY, mForceHardwareUi.isChecked() ? "true" : "false");
1041         pokeSystemProperties();
1042     }
1043
1044     private void updateMsaaOptions() {
1045         updateSwitchPreference(mForceMsaa, SystemProperties.getBoolean(MSAA_PROPERTY, false));
1046     }
1047
1048     private void writeMsaaOptions() {
1049         SystemProperties.set(MSAA_PROPERTY, mForceMsaa.isChecked() ? "true" : "false");
1050         pokeSystemProperties();
1051     }
1052
1053     private void updateTrackFrameTimeOptions() {
1054         String value = SystemProperties.get(HardwareRenderer.PROFILE_PROPERTY);
1055         if (value == null) {
1056             value = "";
1057         }
1058
1059         CharSequence[] values = mTrackFrameTime.getEntryValues();
1060         for (int i = 0; i < values.length; i++) {
1061             if (value.contentEquals(values[i])) {
1062                 mTrackFrameTime.setValueIndex(i);
1063                 mTrackFrameTime.setSummary(mTrackFrameTime.getEntries()[i]);
1064                 return;
1065             }
1066         }
1067         mTrackFrameTime.setValueIndex(0);
1068         mTrackFrameTime.setSummary(mTrackFrameTime.getEntries()[0]);
1069     }
1070
1071     private void writeTrackFrameTimeOptions(Object newValue) {
1072         SystemProperties.set(HardwareRenderer.PROFILE_PROPERTY,
1073                 newValue == null ? "" : newValue.toString());
1074         pokeSystemProperties();
1075         updateTrackFrameTimeOptions();
1076     }
1077
1078     private void updateShowNonRectClipOptions() {
1079         String value = SystemProperties.get(
1080                 HardwareRenderer.DEBUG_SHOW_NON_RECTANGULAR_CLIP_PROPERTY);
1081         if (value == null) {
1082             value = "hide";
1083         }
1084
1085         CharSequence[] values = mShowNonRectClip.getEntryValues();
1086         for (int i = 0; i < values.length; i++) {
1087             if (value.contentEquals(values[i])) {
1088                 mShowNonRectClip.setValueIndex(i);
1089                 mShowNonRectClip.setSummary(mShowNonRectClip.getEntries()[i]);
1090                 return;
1091             }
1092         }
1093         mShowNonRectClip.setValueIndex(0);
1094         mShowNonRectClip.setSummary(mShowNonRectClip.getEntries()[0]);
1095     }
1096
1097     private void writeShowNonRectClipOptions(Object newValue) {
1098         SystemProperties.set(HardwareRenderer.DEBUG_SHOW_NON_RECTANGULAR_CLIP_PROPERTY,
1099                 newValue == null ? "" : newValue.toString());
1100         pokeSystemProperties();
1101         updateShowNonRectClipOptions();
1102     }
1103
1104     private void updateShowHwScreenUpdatesOptions() {
1105         updateSwitchPreference(mShowHwScreenUpdates,
1106                 SystemProperties.getBoolean(HardwareRenderer.DEBUG_DIRTY_REGIONS_PROPERTY, false));
1107     }
1108
1109     private void writeShowHwScreenUpdatesOptions() {
1110         SystemProperties.set(HardwareRenderer.DEBUG_DIRTY_REGIONS_PROPERTY,
1111                 mShowHwScreenUpdates.isChecked() ? "true" : null);
1112         pokeSystemProperties();
1113     }
1114
1115     private void updateShowHwLayersUpdatesOptions() {
1116         updateSwitchPreference(mShowHwLayersUpdates, SystemProperties.getBoolean(
1117                 HardwareRenderer.DEBUG_SHOW_LAYERS_UPDATES_PROPERTY, false));
1118     }
1119
1120     private void writeShowHwLayersUpdatesOptions() {
1121         SystemProperties.set(HardwareRenderer.DEBUG_SHOW_LAYERS_UPDATES_PROPERTY,
1122                 mShowHwLayersUpdates.isChecked() ? "true" : null);
1123         pokeSystemProperties();
1124     }
1125
1126     private void updateDebugHwOverdrawOptions() {
1127         String value = SystemProperties.get(HardwareRenderer.DEBUG_OVERDRAW_PROPERTY);
1128         if (value == null) {
1129             value = "";
1130         }
1131
1132         CharSequence[] values = mDebugHwOverdraw.getEntryValues();
1133         for (int i = 0; i < values.length; i++) {
1134             if (value.contentEquals(values[i])) {
1135                 mDebugHwOverdraw.setValueIndex(i);
1136                 mDebugHwOverdraw.setSummary(mDebugHwOverdraw.getEntries()[i]);
1137                 return;
1138             }
1139         }
1140         mDebugHwOverdraw.setValueIndex(0);
1141         mDebugHwOverdraw.setSummary(mDebugHwOverdraw.getEntries()[0]);
1142     }
1143
1144     private void writeDebugHwOverdrawOptions(Object newValue) {
1145         SystemProperties.set(HardwareRenderer.DEBUG_OVERDRAW_PROPERTY,
1146                 newValue == null ? "" : newValue.toString());
1147         pokeSystemProperties();
1148         updateDebugHwOverdrawOptions();
1149     }
1150
1151     private void updateDebugLayoutOptions() {
1152         updateSwitchPreference(mDebugLayout,
1153                 SystemProperties.getBoolean(View.DEBUG_LAYOUT_PROPERTY, false));
1154     }
1155
1156     private void writeDebugLayoutOptions() {
1157         SystemProperties.set(View.DEBUG_LAYOUT_PROPERTY,
1158                 mDebugLayout.isChecked() ? "true" : "false");
1159         pokeSystemProperties();
1160     }
1161
1162     private void updateSimulateColorSpace() {
1163         final ContentResolver cr = getContentResolver();
1164         final boolean enabled = Settings.Secure.getInt(
1165                 cr, Settings.Secure.ACCESSIBILITY_DISPLAY_DALTONIZER_ENABLED, 0) != 0;
1166         if (enabled) {
1167             final String mode = Integer.toString(Settings.Secure.getInt(
1168                     cr, Settings.Secure.ACCESSIBILITY_DISPLAY_DALTONIZER,
1169                     AccessibilityManager.DALTONIZER_DISABLED));
1170             mSimulateColorSpace.setValue(mode);
1171             final int index = mSimulateColorSpace.findIndexOfValue(mode);
1172             if (index < 0) {
1173                 // We're using a mode controlled by accessibility preferences.
1174                 mSimulateColorSpace.setSummary(getString(R.string.daltonizer_type_overridden,
1175                         getString(R.string.accessibility_display_daltonizer_preference_title)));
1176             } else {
1177                 mSimulateColorSpace.setSummary("%s");
1178             }
1179         } else {
1180             mSimulateColorSpace.setValue(
1181                     Integer.toString(AccessibilityManager.DALTONIZER_DISABLED));
1182         }
1183     }
1184
1185     /**
1186      * @return <code>true</code> if the color space preference is currently
1187      *         controlled by development settings
1188      */
1189     private boolean usingDevelopmentColorSpace() {
1190         final ContentResolver cr = getContentResolver();
1191         final boolean enabled = Settings.Secure.getInt(
1192                 cr, Settings.Secure.ACCESSIBILITY_DISPLAY_DALTONIZER_ENABLED, 0) != 0;
1193         if (enabled) {
1194             final String mode = Integer.toString(Settings.Secure.getInt(
1195                     cr, Settings.Secure.ACCESSIBILITY_DISPLAY_DALTONIZER,
1196                     AccessibilityManager.DALTONIZER_DISABLED));
1197             final int index = mSimulateColorSpace.findIndexOfValue(mode);
1198             if (index >= 0) {
1199                 // We're using a mode controlled by developer preferences.
1200                 return true;
1201             }
1202         }
1203         return false;
1204     }
1205
1206     private void writeSimulateColorSpace(Object value) {
1207         final ContentResolver cr = getContentResolver();
1208         final int newMode = Integer.parseInt(value.toString());
1209         if (newMode < 0) {
1210             Settings.Secure.putInt(cr, Settings.Secure.ACCESSIBILITY_DISPLAY_DALTONIZER_ENABLED, 0);
1211         } else {
1212             Settings.Secure.putInt(cr, Settings.Secure.ACCESSIBILITY_DISPLAY_DALTONIZER_ENABLED, 1);
1213             Settings.Secure.putInt(cr, Settings.Secure.ACCESSIBILITY_DISPLAY_DALTONIZER, newMode);
1214         }
1215     }
1216
1217     private void updateUSBAudioOptions() {
1218         updateSwitchPreference(mUSBAudio, Settings.Secure.getInt(getContentResolver(),
1219                 Settings.Secure.USB_AUDIO_AUTOMATIC_ROUTING_DISABLED, 0) != 0);
1220     }
1221
1222     private void writeUSBAudioOptions() {
1223         Settings.Secure.putInt(getContentResolver(),
1224                 Settings.Secure.USB_AUDIO_AUTOMATIC_ROUTING_DISABLED,
1225                 mUSBAudio.isChecked() ? 1 : 0);
1226     }
1227
1228     private void updateForceRtlOptions() {
1229         updateSwitchPreference(mForceRtlLayout,
1230                 Settings.Global.getInt(getActivity().getContentResolver(),
1231                 Settings.Global.DEVELOPMENT_FORCE_RTL, 0) != 0);
1232     }
1233
1234     private void writeForceRtlOptions() {
1235         boolean value = mForceRtlLayout.isChecked();
1236         Settings.Global.putInt(getActivity().getContentResolver(),
1237                 Settings.Global.DEVELOPMENT_FORCE_RTL, value ? 1 : 0);
1238         SystemProperties.set(Settings.Global.DEVELOPMENT_FORCE_RTL, value ? "1" : "0");
1239         LocalePicker.updateLocale(getActivity().getResources().getConfiguration().locale);
1240     }
1241
1242     private void updateWifiDisplayCertificationOptions() {
1243         updateSwitchPreference(mWifiDisplayCertification, Settings.Global.getInt(
1244                 getActivity().getContentResolver(),
1245                 Settings.Global.WIFI_DISPLAY_CERTIFICATION_ON, 0) != 0);
1246     }
1247
1248     private void writeWifiDisplayCertificationOptions() {
1249         Settings.Global.putInt(getActivity().getContentResolver(),
1250                 Settings.Global.WIFI_DISPLAY_CERTIFICATION_ON,
1251                 mWifiDisplayCertification.isChecked() ? 1 : 0);
1252     }
1253
1254     private void updateWifiVerboseLoggingOptions() {
1255         boolean enabled = mWifiManager.getVerboseLoggingLevel() > 0;
1256         updateSwitchPreference(mWifiVerboseLogging, enabled);
1257     }
1258
1259     private void writeWifiVerboseLoggingOptions() {
1260         mWifiManager.enableVerboseLogging(mWifiVerboseLogging.isChecked() ? 1 : 0);
1261     }
1262
1263     private void updateWifiAggressiveHandoverOptions() {
1264         boolean enabled = mWifiManager.getAggressiveHandover() > 0;
1265         updateSwitchPreference(mWifiAggressiveHandover, enabled);
1266     }
1267
1268     private void writeWifiAggressiveHandoverOptions() {
1269         mWifiManager.enableAggressiveHandover(mWifiAggressiveHandover.isChecked() ? 1 : 0);
1270     }
1271
1272     private void updateWifiAllowScansWithTrafficOptions() {
1273         boolean enabled = mWifiManager.getAllowScansWithTraffic() > 0;
1274         updateSwitchPreference(mWifiAllowScansWithTraffic, enabled);
1275     }
1276
1277     private void writeWifiAllowScansWithTrafficOptions() {
1278         mWifiManager.setAllowScansWithTraffic(mWifiAllowScansWithTraffic.isChecked() ? 1 : 0);
1279     }
1280
1281     private void updateLegacyDhcpClientOptions() {
1282         updateSwitchPreference(mLegacyDhcpClient, Settings.Global.getInt(
1283                 getActivity().getContentResolver(),
1284                 Settings.Global.LEGACY_DHCP_CLIENT, 0) != 0);
1285     }
1286
1287     private void writeLegacyDhcpClientOptions() {
1288         Settings.Global.putInt(getActivity().getContentResolver(),
1289                 Settings.Global.LEGACY_DHCP_CLIENT,
1290                 mLegacyDhcpClient.isChecked() ? 1 : 0);
1291     }
1292
1293     private void updateMobileDataAlwaysOnOptions() {
1294         updateSwitchPreference(mMobileDataAlwaysOn, Settings.Global.getInt(
1295                 getActivity().getContentResolver(),
1296                 Settings.Global.MOBILE_DATA_ALWAYS_ON, 0) != 0);
1297     }
1298
1299     private void writeMobileDataAlwaysOnOptions() {
1300         Settings.Global.putInt(getActivity().getContentResolver(),
1301                 Settings.Global.MOBILE_DATA_ALWAYS_ON,
1302                 mMobileDataAlwaysOn.isChecked() ? 1 : 0);
1303     }
1304
1305     private void updateLogdSizeValues() {
1306         if (mLogdSize != null) {
1307             String currentValue = SystemProperties.get(SELECT_LOGD_SIZE_PROPERTY);
1308             if (currentValue == null) {
1309                 currentValue = SystemProperties.get(SELECT_LOGD_DEFAULT_SIZE_PROPERTY);
1310                 if (currentValue == null) {
1311                     currentValue = "256K";
1312                 }
1313             }
1314             String[] values = getResources().getStringArray(R.array.select_logd_size_values);
1315             String[] titles = getResources().getStringArray(R.array.select_logd_size_titles);
1316             if (SystemProperties.get("ro.config.low_ram").equals("true")) {
1317                 mLogdSize.setEntries(R.array.select_logd_size_lowram_titles);
1318                 titles = getResources().getStringArray(R.array.select_logd_size_lowram_titles);
1319             }
1320             String[] summaries = getResources().getStringArray(R.array.select_logd_size_summaries);
1321             int index = 1; // punt to second entry if not found
1322             for (int i = 0; i < titles.length; i++) {
1323                 if (currentValue.equals(values[i])
1324                         || currentValue.equals(titles[i])) {
1325                     index = i;
1326                     break;
1327                 }
1328             }
1329             mLogdSize.setValue(values[index]);
1330             mLogdSize.setSummary(summaries[index]);
1331             mLogdSize.setOnPreferenceChangeListener(this);
1332         }
1333     }
1334
1335     private void writeLogdSizeOption(Object newValue) {
1336         String currentValue = SystemProperties.get(SELECT_LOGD_DEFAULT_SIZE_PROPERTY);
1337         if (currentValue != null) {
1338             DEFAULT_LOG_RING_BUFFER_SIZE_IN_BYTES = currentValue;
1339         }
1340         final String size = (newValue != null) ?
1341                 newValue.toString() : DEFAULT_LOG_RING_BUFFER_SIZE_IN_BYTES;
1342         SystemProperties.set(SELECT_LOGD_SIZE_PROPERTY, size);
1343         pokeSystemProperties();
1344         try {
1345             Process p = Runtime.getRuntime().exec("logcat -b all -G " + size);
1346             p.waitFor();
1347             Log.i(TAG, "Logcat ring buffer sizes set to: " + size);
1348         } catch (Exception e) {
1349             Log.w(TAG, "Cannot set logcat ring buffer sizes", e);
1350         }
1351         updateLogdSizeValues();
1352     }
1353
1354     private void updateUsbConfigurationValues() {
1355         if (mUsbConfiguration != null) {
1356             UsbManager manager = (UsbManager) getSystemService(Context.USB_SERVICE);
1357
1358             String[] values = getResources().getStringArray(R.array.usb_configuration_values);
1359             String[] titles = getResources().getStringArray(R.array.usb_configuration_titles);
1360             int index = 0;
1361             for (int i = 0; i < titles.length; i++) {
1362                 if (manager.isFunctionEnabled(values[i])) {
1363                     index = i;
1364                     break;
1365                 }
1366             }
1367             mUsbConfiguration.setValue(values[index]);
1368             mUsbConfiguration.setSummary(titles[index]);
1369             mUsbConfiguration.setOnPreferenceChangeListener(this);
1370         }
1371     }
1372
1373     private void writeUsbConfigurationOption(Object newValue) {
1374         UsbManager manager = (UsbManager)getActivity().getSystemService(Context.USB_SERVICE);
1375         String function = newValue.toString();
1376         manager.setCurrentFunction(function);
1377         if (function.equals("none")) {
1378             manager.setUsbDataUnlocked(false);
1379         } else {
1380             manager.setUsbDataUnlocked(true);
1381         }
1382     }
1383
1384     private void updateCpuUsageOptions() {
1385         updateSwitchPreference(mShowCpuUsage,
1386                 Settings.Global.getInt(getActivity().getContentResolver(),
1387                 Settings.Global.SHOW_PROCESSES, 0) != 0);
1388     }
1389
1390     private void writeCpuUsageOptions() {
1391         boolean value = mShowCpuUsage.isChecked();
1392         Settings.Global.putInt(getActivity().getContentResolver(),
1393                 Settings.Global.SHOW_PROCESSES, value ? 1 : 0);
1394         Intent service = (new Intent())
1395                 .setClassName("com.android.systemui", "com.android.systemui.LoadAverageService");
1396         if (value) {
1397             getActivity().startService(service);
1398         } else {
1399             getActivity().stopService(service);
1400         }
1401     }
1402
1403     private void writeImmediatelyDestroyActivitiesOptions() {
1404         try {
1405             ActivityManagerNative.getDefault().setAlwaysFinish(
1406                     mImmediatelyDestroyActivities.isChecked());
1407         } catch (RemoteException ex) {
1408         }
1409     }
1410
1411     private void updateImmediatelyDestroyActivitiesOptions() {
1412         updateSwitchPreference(mImmediatelyDestroyActivities, Settings.Global.getInt(
1413                 getActivity().getContentResolver(), Settings.Global.ALWAYS_FINISH_ACTIVITIES, 0) != 0);
1414     }
1415
1416     private void updateAnimationScaleValue(int which, ListPreference pref) {
1417         try {
1418             float scale = mWindowManager.getAnimationScale(which);
1419             if (scale != 1) {
1420                 mHaveDebugSettings = true;
1421             }
1422             CharSequence[] values = pref.getEntryValues();
1423             for (int i=0; i<values.length; i++) {
1424                 float val = Float.parseFloat(values[i].toString());
1425                 if (scale <= val) {
1426                     pref.setValueIndex(i);
1427                     pref.setSummary(pref.getEntries()[i]);
1428                     return;
1429                 }
1430             }
1431             pref.setValueIndex(values.length-1);
1432             pref.setSummary(pref.getEntries()[0]);
1433         } catch (RemoteException e) {
1434         }
1435     }
1436
1437     private void updateAnimationScaleOptions() {
1438         updateAnimationScaleValue(0, mWindowAnimationScale);
1439         updateAnimationScaleValue(1, mTransitionAnimationScale);
1440         updateAnimationScaleValue(2, mAnimatorDurationScale);
1441     }
1442
1443     private void writeAnimationScaleOption(int which, ListPreference pref, Object newValue) {
1444         try {
1445             float scale = newValue != null ? Float.parseFloat(newValue.toString()) : 1;
1446             mWindowManager.setAnimationScale(which, scale);
1447             updateAnimationScaleValue(which, pref);
1448         } catch (RemoteException e) {
1449         }
1450     }
1451
1452     private void updateOverlayDisplayDevicesOptions() {
1453         String value = Settings.Global.getString(getActivity().getContentResolver(),
1454                 Settings.Global.OVERLAY_DISPLAY_DEVICES);
1455         if (value == null) {
1456             value = "";
1457         }
1458
1459         CharSequence[] values = mOverlayDisplayDevices.getEntryValues();
1460         for (int i = 0; i < values.length; i++) {
1461             if (value.contentEquals(values[i])) {
1462                 mOverlayDisplayDevices.setValueIndex(i);
1463                 mOverlayDisplayDevices.setSummary(mOverlayDisplayDevices.getEntries()[i]);
1464                 return;
1465             }
1466         }
1467         mOverlayDisplayDevices.setValueIndex(0);
1468         mOverlayDisplayDevices.setSummary(mOverlayDisplayDevices.getEntries()[0]);
1469     }
1470
1471     private void writeOverlayDisplayDevicesOptions(Object newValue) {
1472         Settings.Global.putString(getActivity().getContentResolver(),
1473                 Settings.Global.OVERLAY_DISPLAY_DEVICES, (String)newValue);
1474         updateOverlayDisplayDevicesOptions();
1475     }
1476
1477     private void updateOpenGLTracesOptions() {
1478         String value = SystemProperties.get(OPENGL_TRACES_PROPERTY);
1479         if (value == null) {
1480             value = "";
1481         }
1482
1483         CharSequence[] values = mOpenGLTraces.getEntryValues();
1484         for (int i = 0; i < values.length; i++) {
1485             if (value.contentEquals(values[i])) {
1486                 mOpenGLTraces.setValueIndex(i);
1487                 mOpenGLTraces.setSummary(mOpenGLTraces.getEntries()[i]);
1488                 return;
1489             }
1490         }
1491         mOpenGLTraces.setValueIndex(0);
1492         mOpenGLTraces.setSummary(mOpenGLTraces.getEntries()[0]);
1493     }
1494
1495     private void writeOpenGLTracesOptions(Object newValue) {
1496         SystemProperties.set(OPENGL_TRACES_PROPERTY, newValue == null ? "" : newValue.toString());
1497         pokeSystemProperties();
1498         updateOpenGLTracesOptions();
1499     }
1500
1501     private void updateAppProcessLimitOptions() {
1502         try {
1503             int limit = ActivityManagerNative.getDefault().getProcessLimit();
1504             CharSequence[] values = mAppProcessLimit.getEntryValues();
1505             for (int i=0; i<values.length; i++) {
1506                 int val = Integer.parseInt(values[i].toString());
1507                 if (val >= limit) {
1508                     if (i != 0) {
1509                         mHaveDebugSettings = true;
1510                     }
1511                     mAppProcessLimit.setValueIndex(i);
1512                     mAppProcessLimit.setSummary(mAppProcessLimit.getEntries()[i]);
1513                     return;
1514                 }
1515             }
1516             mAppProcessLimit.setValueIndex(0);
1517             mAppProcessLimit.setSummary(mAppProcessLimit.getEntries()[0]);
1518         } catch (RemoteException e) {
1519         }
1520     }
1521
1522     private void writeAppProcessLimitOptions(Object newValue) {
1523         try {
1524             int limit = newValue != null ? Integer.parseInt(newValue.toString()) : -1;
1525             ActivityManagerNative.getDefault().setProcessLimit(limit);
1526             updateAppProcessLimitOptions();
1527         } catch (RemoteException e) {
1528         }
1529     }
1530
1531     private void writeShowAllANRsOptions() {
1532         Settings.Secure.putInt(getActivity().getContentResolver(),
1533                 Settings.Secure.ANR_SHOW_BACKGROUND,
1534                 mShowAllANRs.isChecked() ? 1 : 0);
1535     }
1536
1537     private void updateShowAllANRsOptions() {
1538         updateSwitchPreference(mShowAllANRs, Settings.Secure.getInt(
1539                 getActivity().getContentResolver(), Settings.Secure.ANR_SHOW_BACKGROUND, 0) != 0);
1540     }
1541
1542     private void confirmEnableOemUnlock() {
1543         DialogInterface.OnClickListener onConfirmListener = new DialogInterface.OnClickListener() {
1544             @Override
1545             public void onClick(DialogInterface dialog, int which) {
1546                 Utils.setOemUnlockEnabled(getActivity(), true);
1547                 updateAllOptions();
1548             }
1549         };
1550
1551         new AlertDialog.Builder(getActivity())
1552                 .setTitle(R.string.confirm_enable_oem_unlock_title)
1553                 .setMessage(R.string.confirm_enable_oem_unlock_text)
1554                 .setPositiveButton(R.string.enable_text, onConfirmListener)
1555                 .setNegativeButton(android.R.string.cancel, null)
1556                 .create()
1557                 .show();
1558     }
1559
1560     private void confirmEnableMultiWindowMode() {
1561         DialogInterface.OnClickListener onConfirmListener = new DialogInterface.OnClickListener() {
1562             @Override
1563             public void onClick(DialogInterface dialog, int which) {
1564                 setEnableMultiWindow((which == DialogInterface.BUTTON_POSITIVE) ? true : false);
1565                 updateAllOptions();
1566             }
1567         };
1568
1569         new AlertDialog.Builder(getActivity())
1570                 .setTitle(R.string.confirm_enable_multi_window_title)
1571                 .setMessage(R.string.confirm_enable_multi_window_text)
1572                 .setPositiveButton(R.string.enable_text, onConfirmListener)
1573                 .setNegativeButton(android.R.string.cancel, onConfirmListener)
1574                 .create()
1575                 .show();
1576     }
1577
1578     @Override
1579     public void onSwitchChanged(Switch switchView, boolean isChecked) {
1580         if (switchView != mSwitchBar.getSwitch()) {
1581             return;
1582         }
1583         if (isChecked != mLastEnabledState) {
1584             if (isChecked) {
1585                 mDialogClicked = false;
1586                 if (mEnableDialog != null) dismissDialogs();
1587                 mEnableDialog = new AlertDialog.Builder(getActivity()).setMessage(
1588                         getActivity().getResources().getString(
1589                                 R.string.dev_settings_warning_message))
1590                         .setTitle(R.string.dev_settings_warning_title)
1591                         .setPositiveButton(android.R.string.yes, this)
1592                         .setNegativeButton(android.R.string.no, this)
1593                         .show();
1594                 mEnableDialog.setOnDismissListener(this);
1595             } else {
1596                 resetDangerousOptions();
1597                 Settings.Global.putInt(getActivity().getContentResolver(),
1598                         Settings.Global.DEVELOPMENT_SETTINGS_ENABLED, 0);
1599                 mLastEnabledState = isChecked;
1600                 setPrefsEnabledState(mLastEnabledState);
1601             }
1602         }
1603     }
1604
1605     @Override
1606     public void onActivityResult(int requestCode, int resultCode, Intent data) {
1607         if (requestCode == RESULT_DEBUG_APP) {
1608             if (resultCode == Activity.RESULT_OK) {
1609                 mDebugApp = data.getAction();
1610                 writeDebuggerOptions();
1611                 updateDebuggerOptions();
1612             }
1613         } else if (requestCode == RESULT_MOCK_LOCATION_APP) {
1614             if (resultCode == Activity.RESULT_OK) {
1615                 mMockLocationApp = data.getAction();
1616                 writeMockLocation();
1617                 updateMockLocation();
1618             }
1619         } else if (requestCode == REQUEST_CODE_ENABLE_OEM_UNLOCK) {
1620             if (resultCode == Activity.RESULT_OK) {
1621                 if (mEnableOemUnlock.isChecked()) {
1622                     confirmEnableOemUnlock();
1623                 } else {
1624                     Utils.setOemUnlockEnabled(getActivity(), false);
1625                 }
1626             }
1627         } else {
1628             super.onActivityResult(requestCode, resultCode, data);
1629         }
1630     }
1631
1632     @Override
1633     public boolean onPreferenceTreeClick(PreferenceScreen preferenceScreen, Preference preference) {
1634         if (Utils.isMonkeyRunning()) {
1635             return false;
1636         }
1637
1638         if (preference == mEnableAdb) {
1639             if (mEnableAdb.isChecked()) {
1640                 mDialogClicked = false;
1641                 if (mAdbDialog != null) dismissDialogs();
1642                 mAdbDialog = new AlertDialog.Builder(getActivity()).setMessage(
1643                         getActivity().getResources().getString(R.string.adb_warning_message))
1644                         .setTitle(R.string.adb_warning_title)
1645                         .setPositiveButton(android.R.string.yes, this)
1646                         .setNegativeButton(android.R.string.no, this)
1647                         .show();
1648                 mAdbDialog.setOnDismissListener(this);
1649             } else {
1650                 Settings.Global.putInt(getActivity().getContentResolver(),
1651                         Settings.Global.ADB_ENABLED, 0);
1652                 mVerifyAppsOverUsb.setEnabled(false);
1653                 mVerifyAppsOverUsb.setChecked(false);
1654                 updateBugreportOptions();
1655             }
1656         } else if (preference == mClearAdbKeys) {
1657             if (mAdbKeysDialog != null) dismissDialogs();
1658             mAdbKeysDialog = new AlertDialog.Builder(getActivity())
1659                         .setMessage(R.string.adb_keys_warning_message)
1660                         .setPositiveButton(android.R.string.ok, this)
1661                         .setNegativeButton(android.R.string.cancel, null)
1662                         .show();
1663         } else if (preference == mEnableTerminal) {
1664             final PackageManager pm = getActivity().getPackageManager();
1665             pm.setApplicationEnabledSetting(TERMINAL_APP_PACKAGE,
1666                     mEnableTerminal.isChecked() ? PackageManager.COMPONENT_ENABLED_STATE_ENABLED
1667                             : PackageManager.COMPONENT_ENABLED_STATE_DEFAULT, 0);
1668         } else if (preference == mBugreportInPower) {
1669             Settings.Secure.putInt(getActivity().getContentResolver(),
1670                     Settings.Secure.BUGREPORT_IN_POWER_MENU,
1671                     mBugreportInPower.isChecked() ? 1 : 0);
1672         } else if (preference == mKeepScreenOn) {
1673             Settings.Global.putInt(getActivity().getContentResolver(),
1674                     Settings.Global.STAY_ON_WHILE_PLUGGED_IN,
1675                     mKeepScreenOn.isChecked() ?
1676                             (BatteryManager.BATTERY_PLUGGED_AC | BatteryManager.BATTERY_PLUGGED_USB) : 0);
1677         } else if (preference == mBtHciSnoopLog) {
1678             writeBtHciSnoopLogOptions();
1679         } else if (preference == mEnableOemUnlock) {
1680             if (!showKeyguardConfirmation(getResources(), REQUEST_CODE_ENABLE_OEM_UNLOCK)) {
1681                 if (mEnableOemUnlock.isChecked()) {
1682                     confirmEnableOemUnlock();
1683                 } else {
1684                     Utils.setOemUnlockEnabled(getActivity(), false);
1685                 }
1686             }
1687         } else if (preference == mMockLocationAppPref) {
1688             Intent intent = new Intent(getActivity(), AppPicker.class);
1689             intent.putExtra(AppPicker.EXTRA_REQUESTIING_PERMISSION,
1690                     Manifest.permission.ACCESS_MOCK_LOCATION);
1691             startActivityForResult(intent, RESULT_MOCK_LOCATION_APP);
1692         } else if (preference == mDebugViewAttributes) {
1693             Settings.Global.putInt(getActivity().getContentResolver(),
1694                     Settings.Global.DEBUG_VIEW_ATTRIBUTES,
1695                     mDebugViewAttributes.isChecked() ? 1 : 0);
1696         } else if (preference == mDebugAppPref) {
1697             Intent intent = new Intent(getActivity(), AppPicker.class);
1698             intent.putExtra(AppPicker.EXTRA_DEBUGGABLE, true);
1699             startActivityForResult(intent, RESULT_DEBUG_APP);
1700         } else if (preference == mWaitForDebugger) {
1701             writeDebuggerOptions();
1702         } else if (preference == mVerifyAppsOverUsb) {
1703             writeVerifyAppsOverUsbOptions();
1704         } else if (preference == mStrictMode) {
1705             writeStrictModeVisualOptions();
1706         } else if (preference == mPointerLocation) {
1707             writePointerLocationOptions();
1708         } else if (preference == mShowTouches) {
1709             writeShowTouchesOptions();
1710         } else if (preference == mShowScreenUpdates) {
1711             writeShowUpdatesOption();
1712         } else if (preference == mDisableOverlays) {
1713             writeDisableOverlaysOption();
1714         } else if (preference == mEnableMultiWindow) {
1715             if (mEnableMultiWindow.isChecked()) {
1716                 confirmEnableMultiWindowMode();
1717             } else {
1718                 setEnableMultiWindow(false);
1719             }
1720         } else if (preference == mShowCpuUsage) {
1721             writeCpuUsageOptions();
1722         } else if (preference == mImmediatelyDestroyActivities) {
1723             writeImmediatelyDestroyActivitiesOptions();
1724         } else if (preference == mShowAllANRs) {
1725             writeShowAllANRsOptions();
1726         } else if (preference == mForceHardwareUi) {
1727             writeHardwareUiOptions();
1728         } else if (preference == mForceMsaa) {
1729             writeMsaaOptions();
1730         } else if (preference == mShowHwScreenUpdates) {
1731             writeShowHwScreenUpdatesOptions();
1732         } else if (preference == mShowHwLayersUpdates) {
1733             writeShowHwLayersUpdatesOptions();
1734         } else if (preference == mDebugLayout) {
1735             writeDebugLayoutOptions();
1736         } else if (preference == mForceRtlLayout) {
1737             writeForceRtlOptions();
1738         } else if (preference == mWifiDisplayCertification) {
1739             writeWifiDisplayCertificationOptions();
1740         } else if (preference == mWifiVerboseLogging) {
1741             writeWifiVerboseLoggingOptions();
1742         } else if (preference == mWifiAggressiveHandover) {
1743             writeWifiAggressiveHandoverOptions();
1744         } else if (preference == mWifiAllowScansWithTraffic) {
1745             writeWifiAllowScansWithTrafficOptions();
1746         } else if (preference == mLegacyDhcpClient) {
1747             writeLegacyDhcpClientOptions();
1748         } else if (preference == mMobileDataAlwaysOn) {
1749             writeMobileDataAlwaysOnOptions();
1750         } else if (preference == mUSBAudio) {
1751             writeUSBAudioOptions();
1752         } else if (INACTIVE_APPS_KEY.equals(preference.getKey())) {
1753             startInactiveAppsFragment();
1754         } else {
1755             return super.onPreferenceTreeClick(preferenceScreen, preference);
1756         }
1757
1758         return false;
1759     }
1760
1761     private void startInactiveAppsFragment() {
1762         ((SettingsActivity) getActivity()).startPreferencePanel(
1763                 InactiveApps.class.getName(),
1764                 null, R.string.inactive_apps_title, null, null, 0);
1765     }
1766
1767     private boolean showKeyguardConfirmation(Resources resources, int requestCode) {
1768         return new ChooseLockSettingsHelper(getActivity(), this).launchConfirmationActivity(
1769                 requestCode, resources.getString(R.string.oem_unlock_enable));
1770     }
1771
1772     @Override
1773     public boolean onPreferenceChange(Preference preference, Object newValue) {
1774         if (HDCP_CHECKING_KEY.equals(preference.getKey())) {
1775             SystemProperties.set(HDCP_CHECKING_PROPERTY, newValue.toString());
1776             updateHdcpValues();
1777             pokeSystemProperties();
1778             return true;
1779         } else if (preference == mLogdSize) {
1780             writeLogdSizeOption(newValue);
1781             return true;
1782         } else if (preference == mUsbConfiguration) {
1783             writeUsbConfigurationOption(newValue);
1784             return true;
1785         } else if (preference == mWindowAnimationScale) {
1786             writeAnimationScaleOption(0, mWindowAnimationScale, newValue);
1787             return true;
1788         } else if (preference == mTransitionAnimationScale) {
1789             writeAnimationScaleOption(1, mTransitionAnimationScale, newValue);
1790             return true;
1791         } else if (preference == mAnimatorDurationScale) {
1792             writeAnimationScaleOption(2, mAnimatorDurationScale, newValue);
1793             return true;
1794         } else if (preference == mOverlayDisplayDevices) {
1795             writeOverlayDisplayDevicesOptions(newValue);
1796             return true;
1797         } else if (preference == mOpenGLTraces) {
1798             writeOpenGLTracesOptions(newValue);
1799             return true;
1800         } else if (preference == mTrackFrameTime) {
1801             writeTrackFrameTimeOptions(newValue);
1802             return true;
1803         } else if (preference == mDebugHwOverdraw) {
1804             writeDebugHwOverdrawOptions(newValue);
1805             return true;
1806         } else if (preference == mShowNonRectClip) {
1807             writeShowNonRectClipOptions(newValue);
1808             return true;
1809         } else if (preference == mAppProcessLimit) {
1810             writeAppProcessLimitOptions(newValue);
1811             return true;
1812         } else if (preference == mSimulateColorSpace) {
1813             writeSimulateColorSpace(newValue);
1814             return true;
1815         } else if (preference == mRootAccess) {
1816             if ("0".equals(SystemProperties.get(ROOT_ACCESS_PROPERTY, "0"))
1817                     && !"0".equals(newValue)) {
1818                 mSelectedRootValue = newValue;
1819                 mDialogClicked = false;
1820                 if (mRootDialog != null) {
1821                     dismissDialogs();
1822                 }
1823                 mRootDialog = new AlertDialog.Builder(getActivity())
1824                         .setMessage(getResources().getString(R.string.root_access_warning_message))
1825                         .setTitle(R.string.root_access_warning_title)
1826                         .setPositiveButton(android.R.string.yes, this)
1827                         .setNegativeButton(android.R.string.no, this).show();
1828                 mRootDialog.setOnDismissListener(this);
1829             } else {
1830                 writeRootAccessOptions(newValue);
1831             }
1832             return true;
1833         }
1834         return false;
1835     }
1836
1837     private void dismissDialogs() {
1838         if (mAdbDialog != null) {
1839             mAdbDialog.dismiss();
1840             mAdbDialog = null;
1841         }
1842         if (mAdbKeysDialog != null) {
1843             mAdbKeysDialog.dismiss();
1844             mAdbKeysDialog = null;
1845         }
1846         if (mEnableDialog != null) {
1847             mEnableDialog.dismiss();
1848             mEnableDialog = null;
1849         }
1850         if (mRootDialog != null) {
1851             mRootDialog.dismiss();
1852             mRootDialog = null;
1853         }
1854     }
1855
1856     public void onClick(DialogInterface dialog, int which) {
1857         if (dialog == mAdbDialog) {
1858             if (which == DialogInterface.BUTTON_POSITIVE) {
1859                 mDialogClicked = true;
1860                 Settings.Global.putInt(getActivity().getContentResolver(),
1861                         Settings.Global.ADB_ENABLED, 1);
1862                 mVerifyAppsOverUsb.setEnabled(true);
1863                 updateVerifyAppsOverUsbOptions();
1864                 updateBugreportOptions();
1865             } else {
1866                 // Reset the toggle
1867                 mEnableAdb.setChecked(false);
1868             }
1869         } else if (dialog == mAdbKeysDialog) {
1870             if (which == DialogInterface.BUTTON_POSITIVE) {
1871                 try {
1872                     IBinder b = ServiceManager.getService(Context.USB_SERVICE);
1873                     IUsbManager service = IUsbManager.Stub.asInterface(b);
1874                     service.clearUsbDebuggingKeys();
1875                 } catch (RemoteException e) {
1876                     Log.e(TAG, "Unable to clear adb keys", e);
1877                 }
1878             }
1879         } else if (dialog == mEnableDialog) {
1880             if (which == DialogInterface.BUTTON_POSITIVE) {
1881                 mDialogClicked = true;
1882                 Settings.Global.putInt(getActivity().getContentResolver(),
1883                         Settings.Global.DEVELOPMENT_SETTINGS_ENABLED, 1);
1884                 mLastEnabledState = true;
1885                 setPrefsEnabledState(mLastEnabledState);
1886             } else {
1887                 // Reset the toggle
1888                 mSwitchBar.setChecked(false);
1889             }
1890         } else if (dialog == mRootDialog) {
1891             if (which == DialogInterface.BUTTON_POSITIVE) {
1892                 writeRootAccessOptions(mSelectedRootValue);
1893             } else {
1894                 // Reset the option
1895                 writeRootAccessOptions("0");
1896             }
1897         }
1898     }
1899
1900     public void onDismiss(DialogInterface dialog) {
1901         // Assuming that onClick gets called first
1902         if (dialog == mAdbDialog) {
1903             if (!mDialogClicked) {
1904                 mEnableAdb.setChecked(false);
1905             }
1906             mAdbDialog = null;
1907         } else if (dialog == mEnableDialog) {
1908             if (!mDialogClicked) {
1909                 mSwitchBar.setChecked(false);
1910             }
1911             mEnableDialog = null;
1912         } else if (dialog == mRootDialog) {
1913             updateRootAccessOptions();
1914             mRootDialog = null;
1915         }
1916     }
1917
1918     @Override
1919     public void onDestroy() {
1920         dismissDialogs();
1921         super.onDestroy();
1922     }
1923
1924     void pokeSystemProperties() {
1925         if (!mDontPokeProperties) {
1926             //noinspection unchecked
1927             (new SystemPropPoker()).execute();
1928         }
1929     }
1930
1931     private BroadcastReceiver mUsbReceiver = new BroadcastReceiver() {
1932         @Override
1933         public void onReceive(Context context, Intent intent) {
1934             updateUsbConfigurationValues();
1935         }
1936     };
1937
1938     static class SystemPropPoker extends AsyncTask<Void, Void, Void> {
1939         @Override
1940         protected Void doInBackground(Void... params) {
1941             String[] services;
1942             try {
1943                 services = ServiceManager.listServices();
1944             } catch (RemoteException e) {
1945                 return null;
1946             }
1947             for (String service : services) {
1948                 IBinder obj = ServiceManager.checkService(service);
1949                 if (obj != null) {
1950                     Parcel data = Parcel.obtain();
1951                     try {
1952                         obj.transact(IBinder.SYSPROPS_TRANSACTION, data, null, 0);
1953                     } catch (RemoteException e) {
1954                     } catch (Exception e) {
1955                         Log.i(TAG, "Someone wrote a bad service '" + service
1956                                 + "' that doesn't like to be poked: " + e);
1957                     }
1958                     data.recycle();
1959                 }
1960             }
1961             return null;
1962         }
1963     }
1964
1965     private static boolean isPackageInstalled(Context context, String packageName) {
1966         try {
1967             return context.getPackageManager().getPackageInfo(packageName, 0) != null;
1968         } catch (NameNotFoundException e) {
1969             return false;
1970         }
1971     }
1972
1973     /**
1974      * For Search.
1975      */
1976     public static final Indexable.SearchIndexProvider SEARCH_INDEX_DATA_PROVIDER =
1977             new BaseSearchIndexProvider() {
1978
1979                 private boolean isShowingDeveloperOptions(Context context) {
1980                     return context.getSharedPreferences(DevelopmentSettings.PREF_FILE,
1981                             Context.MODE_PRIVATE).getBoolean(
1982                                     DevelopmentSettings.PREF_SHOW,
1983                                     android.os.Build.TYPE.equals("eng"));
1984                 }
1985
1986                 @Override
1987                 public List<SearchIndexableResource> getXmlResourcesToIndex(
1988                         Context context, boolean enabled) {
1989
1990                     if (!isShowingDeveloperOptions(context)) {
1991                         return null;
1992                     }
1993
1994                     final SearchIndexableResource sir = new SearchIndexableResource(context);
1995                     sir.xmlResId = R.xml.development_prefs;
1996                     return Arrays.asList(sir);
1997                 }
1998
1999                 @Override
2000                 public List<String> getNonIndexableKeys(Context context) {
2001                     if (!isShowingDeveloperOptions(context)) {
2002                         return null;
2003                     }
2004
2005                     final List<String> keys = new ArrayList<String>();
2006                     if (!showEnableOemUnlockPreference()) {
2007                         keys.add(ENABLE_OEM_UNLOCK);
2008                     }
2009                     if (!showEnableMultiWindowPreference()) {
2010                         keys.add(ENABLE_MULTI_WINDOW_KEY);
2011                     }
2012                     return keys;
2013                 }
2014             };
2015 }