@Override
    public void onLoadFinished(
        Loader<List<PrintServiceInfo>> loader, List<PrintServiceInfo> services) {
      if (services.isEmpty()) {
        getPreferenceScreen().removePreference(mPrintServicesCategory);
        return;
      } else if (getPreferenceScreen().findPreference(PRINT_SERVICES_CATEGORY) == null) {
        getPreferenceScreen().addPreference(mPrintServicesCategory);
      }

      mPrintServicesCategory.removeAll();
      PackageManager pm = getActivity().getPackageManager();

      final int numServices = services.size();
      for (int i = 0; i < numServices; i++) {
        PrintServiceInfo service = services.get(i);
        PreferenceScreen preference = getPreferenceManager().createPreferenceScreen(getActivity());

        String title = service.getResolveInfo().loadLabel(pm).toString();
        preference.setTitle(title);

        ComponentName componentName = service.getComponentName();
        preference.setKey(componentName.flattenToString());

        preference.setFragment(PrintServiceSettingsFragment.class.getName());
        preference.setPersistent(false);

        if (service.isEnabled()) {
          preference.setSummary(getString(R.string.print_feature_state_on));
        } else {
          preference.setSummary(getString(R.string.print_feature_state_off));
        }

        Drawable drawable = service.getResolveInfo().loadIcon(pm);
        if (drawable != null) {
          preference.setIcon(drawable);
        }

        Bundle extras = preference.getExtras();
        extras.putBoolean(EXTRA_CHECKED, service.isEnabled());
        extras.putString(EXTRA_TITLE, title);
        extras.putString(EXTRA_SERVICE_COMPONENT_NAME, componentName.flattenToString());

        mPrintServicesCategory.addPreference(preference);
      }

      Preference addNewServicePreference = newAddServicePreferenceOrNull();
      if (addNewServicePreference != null) {
        mPrintServicesCategory.addPreference(addNewServicePreference);
      }
    }
  // ensure that this accessibility service is enabled.
  // the service watches for google voice notifications to know when to check for new
  // messages.
  private void ensureEnabled() {
    Set<ComponentName> enabledServices = getEnabledServicesFromSettings();
    ComponentName me = new ComponentName(this, getClass());
    if (enabledServices.contains(me) && connected) return;

    enabledServices.add(me);

    // Update the enabled services setting.
    StringBuilder enabledServicesBuilder = new StringBuilder();
    // Keep the enabled services even if they are not installed since we
    // have no way to know whether the application restore process has
    // completed. In general the system should be responsible for the
    // clean up not settings.
    for (ComponentName enabledService : enabledServices) {
      enabledServicesBuilder.append(enabledService.flattenToString());
      enabledServicesBuilder.append(ENABLED_ACCESSIBILITY_SERVICES_SEPARATOR);
    }
    final int enabledServicesBuilderLength = enabledServicesBuilder.length();
    if (enabledServicesBuilderLength > 0) {
      enabledServicesBuilder.deleteCharAt(enabledServicesBuilderLength - 1);
    }
    Settings.Secure.putString(
        getContentResolver(),
        Settings.Secure.ENABLED_ACCESSIBILITY_SERVICES,
        enabledServicesBuilder.toString());

    // Update accessibility enabled.
    Settings.Secure.putInt(getContentResolver(), Settings.Secure.ACCESSIBILITY_ENABLED, 0);
    Settings.Secure.putInt(getContentResolver(), Settings.Secure.ACCESSIBILITY_ENABLED, 1);
  }
Exemplo n.º 3
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  private void saveFolder(FolderModel folder) {
    FileOutputStream out = null;
    try {
      out = openFileOutput(String.format("folder%d", folder.id), MODE_PRIVATE);

      out.write(String.format("%d\n", folder.width).getBytes());
      out.write(String.format("%d\n", folder.height).getBytes());

      for (ActivityInfo appInFolder : folder.apps) {
        ComponentName name = new ComponentName(appInFolder.packageName, appInFolder.name);

        out.write((name.flattenToString() + "\n").getBytes());
      }
    } catch (FileNotFoundException e) {
      e.printStackTrace();
    } catch (IOException e) {
      e.printStackTrace();
    } finally {
      if (out != null) {
        try {
          out.close();
        } catch (IOException e) {
          e.printStackTrace();
        }
      }
    }
  }
Exemplo n.º 4
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  /**
   * Retrieve all dynamic codec plugins available in the platform It will resolve for a given action
   * available sip plugins
   *
   * @param ctxt Context of the application
   * @param action Action of the plugin to be resolved
   * @return a map containing plugins infos and registrered component name as key
   */
  public static Map<String, DynCodecInfos> getDynCodecPlugins(Context ctxt, String action) {
    if (!CACHED_RESOLUTION.containsKey(action)) {
      HashMap<String, DynCodecInfos> plugins = new HashMap<String, DynCodecInfos>();

      PackageManager packageManager = ctxt.getPackageManager();
      Intent it = new Intent(action);

      List<ResolveInfo> availables = packageManager.queryBroadcastReceivers(it, 0);
      for (ResolveInfo resInfo : availables) {
        ActivityInfo actInfos = resInfo.activityInfo;
        if (packageManager.checkPermission(
                SipManager.PERMISSION_CONFIGURE_SIP, actInfos.packageName)
            == PackageManager.PERMISSION_GRANTED) {
          ComponentName cmp = new ComponentName(actInfos.packageName, actInfos.name);
          DynCodecInfos dynInfos;
          try {
            dynInfos = new DynCodecInfos(ctxt, cmp);
            plugins.put(cmp.flattenToString(), dynInfos);
          } catch (NameNotFoundException e) {
            Log.e(THIS_FILE, "Error while retrieving infos from dyn codec ", e);
          }
        }
      }
      CACHED_RESOLUTION.put(action, plugins);
    }

    return CACHED_RESOLUTION.get(action);
  }
Exemplo n.º 5
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  public static Map<String, DynActivityPlugin> getDynActivityPlugins(Context ctxt, String action) {
    if (!CACHED_ACTIVITY_RESOLUTION.containsKey(action)) {
      HashMap<String, DynActivityPlugin> plugins = new HashMap<String, DynActivityPlugin>();

      PackageManager packageManager = ctxt.getPackageManager();
      Intent it = new Intent(action);

      List<ResolveInfo> availables = packageManager.queryIntentActivities(it, 0);
      for (ResolveInfo resInfo : availables) {
        ActivityInfo actInfos = resInfo.activityInfo;
        if (packageManager.checkPermission(SipManager.PERMISSION_USE_SIP, actInfos.packageName)
            == PackageManager.PERMISSION_GRANTED) {
          ComponentName cmp = new ComponentName(actInfos.packageName, actInfos.name);
          DynActivityPlugin dynInfos;
          dynInfos =
              new DynActivityPlugin(
                  actInfos.loadLabel(packageManager).toString(), action, cmp, actInfos.metaData);
          plugins.put(cmp.flattenToString(), dynInfos);
        }
      }
      CACHED_ACTIVITY_RESOLUTION.put(action, plugins);
    }

    return CACHED_ACTIVITY_RESOLUTION.get(action);
  }
Exemplo n.º 6
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  /**
   * Pre-load an icon into the persistent cache.
   *
   * <p>Queries for a component that does not exist in the package manager will be answered by the
   * persistent cache.
   *
   * @param componentName the icon should be returned for this component
   * @param icon the icon to be persisted
   * @param dpi the native density of the icon
   */
  public void preloadIcon(
      ComponentName componentName,
      Bitmap icon,
      int dpi,
      String label,
      long userSerial,
      InvariantDeviceProfile idp) {
    // TODO rescale to the correct native DPI
    try {
      PackageManager packageManager = mContext.getPackageManager();
      packageManager.getActivityIcon(componentName);
      // component is present on the system already, do nothing
      return;
    } catch (PackageManager.NameNotFoundException e) {
      // pass
    }

    ContentValues values =
        newContentValues(
            Bitmap.createScaledBitmap(icon, idp.iconBitmapSize, idp.iconBitmapSize, true),
            label,
            Color.TRANSPARENT);
    values.put(IconDB.COLUMN_COMPONENT, componentName.flattenToString());
    values.put(IconDB.COLUMN_USER, userSerial);
    mIconDb
        .getWritableDatabase()
        .insertWithOnConflict(IconDB.TABLE_NAME, null, values, SQLiteDatabase.CONFLICT_REPLACE);
  }
Exemplo n.º 7
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 /**
  * Updates {@param values} to contain versoning information and adds it to the DB.
  *
  * @param values {@link ContentValues} containing icon & title
  */
 private void addIconToDB(
     ContentValues values, ComponentName key, PackageInfo info, long userSerial) {
   values.put(IconDB.COLUMN_COMPONENT, key.flattenToString());
   values.put(IconDB.COLUMN_USER, userSerial);
   values.put(IconDB.COLUMN_LAST_UPDATED, info.lastUpdateTime);
   values.put(IconDB.COLUMN_VERSION, info.versionCode);
   mIconDb
       .getWritableDatabase()
       .insertWithOnConflict(IconDB.TABLE_NAME, null, values, SQLiteDatabase.CONFLICT_REPLACE);
 }
    @Override
    public void onPreferenceToggled(String preferenceKey, boolean enabled) {
      // Parse the enabled services.
      Set<ComponentName> enabledServices = getEnabledServicesFromSettings(getActivity());

      // Determine enabled services and accessibility state.
      ComponentName toggledService = ComponentName.unflattenFromString(preferenceKey);
      final boolean accessibilityEnabled;
      if (enabled) {
        // Enabling at least one service enables accessibility.
        accessibilityEnabled = true;
        enabledServices.add(toggledService);
      } else {
        // Check how many enabled and installed services are present.
        int enabledAndInstalledServiceCount = 0;
        Set<ComponentName> installedServices = sInstalledServices;
        for (ComponentName enabledService : enabledServices) {
          if (installedServices.contains(enabledService)) {
            enabledAndInstalledServiceCount++;
          }
        }
        // Disabling the last service disables accessibility.
        accessibilityEnabled =
            enabledAndInstalledServiceCount > 1
                || (enabledAndInstalledServiceCount == 1
                    && !installedServices.contains(toggledService));
        enabledServices.remove(toggledService);
      }

      // Update the enabled services setting.
      StringBuilder enabledServicesBuilder = new StringBuilder();
      // Keep the enabled services even if they are not installed since we have
      // no way to know whether the application restore process has completed.
      // In general the system should be responsible for the clean up not settings.
      for (ComponentName enabledService : enabledServices) {
        enabledServicesBuilder.append(enabledService.flattenToString());
        enabledServicesBuilder.append(ENABLED_ACCESSIBILITY_SERVICES_SEPARATOR);
      }
      final int enabledServicesBuilderLength = enabledServicesBuilder.length();
      if (enabledServicesBuilderLength > 0) {
        enabledServicesBuilder.deleteCharAt(enabledServicesBuilderLength - 1);
      }
      Settings.Secure.putString(
          getContentResolver(),
          Settings.Secure.ENABLED_ACCESSIBILITY_SERVICES,
          enabledServicesBuilder.toString());

      // Update accessibility enabled.
      Settings.Secure.putInt(
          getContentResolver(),
          Settings.Secure.ACCESSIBILITY_ENABLED,
          accessibilityEnabled ? 1 : 0);
    }
    @Override
    public void sort(
        Intent intent,
        List<ActivityResolveInfo> activities,
        List<HistoricalRecord> historicalRecords) {
      Map<String, ActivityResolveInfo> packageNameToActivityMap = mPackageNameToActivityMap;
      packageNameToActivityMap.clear();

      final int activityCount = activities.size();
      for (int i = 0; i < activityCount; i++) {
        ActivityResolveInfo activity = activities.get(i);
        activity.weight = 0.0f;

        // Make sure we're using a non-ambiguous name here
        ComponentName chosenName =
            new ComponentName(
                activity.resolveInfo.activityInfo.packageName,
                activity.resolveInfo.activityInfo.name);
        String packageName = chosenName.flattenToString();
        packageNameToActivityMap.put(packageName, activity);
      }

      final int lastShareIndex = historicalRecords.size() - 1;
      float nextRecordWeight = 1;
      for (int i = lastShareIndex; i >= 0; i--) {
        HistoricalRecord historicalRecord = historicalRecords.get(i);
        String packageName = historicalRecord.activity.flattenToString();
        ActivityResolveInfo activity = packageNameToActivityMap.get(packageName);
        if (activity != null) {
          activity.weight += historicalRecord.weight * nextRecordWeight;
          nextRecordWeight = nextRecordWeight * WEIGHT_DECAY_COEFFICIENT;
        }
      }

      Collections.sort(activities);

      if (DEBUG) {
        for (int i = 0; i < activityCount; i++) {
          Log.i(LOG_TAG, "Sorted: " + activities.get(i));
        }
      }
    }
        @Override
        public List<SearchIndexableRaw> getRawDataToIndex(Context context, boolean enabled) {
          List<SearchIndexableRaw> indexables = new ArrayList<SearchIndexableRaw>();

          PackageManager packageManager = context.getPackageManager();
          PrintManager printManager =
              (PrintManager) context.getSystemService(Context.PRINT_SERVICE);

          String screenTitle = context.getResources().getString(R.string.print_settings);
          SearchIndexableRaw data = new SearchIndexableRaw(context);
          data.title = screenTitle;
          data.screenTitle = screenTitle;
          indexables.add(data);

          // Indexing all services, regardless if enabled. Please note that the index will not be
          // updated until this function is called again
          List<PrintServiceInfo> services =
              printManager.getPrintServices(PrintManager.ALL_SERVICES);

          if (services != null) {
            final int serviceCount = services.size();
            for (int i = 0; i < serviceCount; i++) {
              PrintServiceInfo service = services.get(i);

              ComponentName componentName =
                  new ComponentName(
                      service.getResolveInfo().serviceInfo.packageName,
                      service.getResolveInfo().serviceInfo.name);

              data = new SearchIndexableRaw(context);
              data.key = componentName.flattenToString();
              data.title = service.getResolveInfo().loadLabel(packageManager).toString();
              data.summaryOn = context.getString(R.string.print_feature_state_on);
              data.summaryOff = context.getString(R.string.print_feature_state_off);
              data.screenTitle = screenTitle;
              indexables.add(data);
            }
          }

          return indexables;
        }
Exemplo n.º 11
0
  /**
   * Pre-load an icon into the persistent cache.
   *
   * <p>Queries for a component that does not exist in the package manager will be answered by the
   * persistent cache.
   *
   * @param context application context
   * @param componentName the icon should be returned for this component
   * @param icon the icon to be persisted
   * @param dpi the native density of the icon
   */
  public static void preloadIcon(
      Context context, ComponentName componentName, Bitmap icon, int dpi) {
    // TODO rescale to the correct native DPI
    try {
      PackageManager packageManager = context.getPackageManager();
      packageManager.getActivityIcon(componentName);
      // component is present on the system already, do nothing
      return;
    } catch (NameNotFoundException e) {
      // pass
    }

    final String key = componentName.flattenToString();
    FileOutputStream resourceFile = null;
    try {
      resourceFile =
          context.openFileOutput(getResourceFilename(componentName), Context.MODE_PRIVATE);
      ByteArrayOutputStream os = new ByteArrayOutputStream();
      if (icon.compress(Bitmap.CompressFormat.PNG, 75, os)) {
        byte[] buffer = os.toByteArray();
        resourceFile.write(buffer, 0, buffer.length);
      } else {
        Log.w(TAG, "failed to encode cache for " + key);
        return;
      }
    } catch (FileNotFoundException e) {
      Log.w(TAG, "failed to pre-load cache for " + key, e);
    } catch (IOException e) {
      Log.w(TAG, "failed to pre-load cache for " + key, e);
    } finally {
      if (resourceFile != null) {
        try {
          resourceFile.close();
        } catch (IOException e) {
          Log.d(TAG, "failed to save restored icon for: " + key, e);
        }
      }
    }
  }
        @Override
        public List<SearchIndexableRaw> getRawDataToIndex(Context context, boolean enabled) {
          List<SearchIndexableRaw> indexables = new ArrayList<SearchIndexableRaw>();

          PackageManager packageManager = context.getPackageManager();
          AccessibilityManager accessibilityManager =
              (AccessibilityManager) context.getSystemService(Context.ACCESSIBILITY_SERVICE);

          String screenTitle =
              context.getResources().getString(R.string.accessibility_services_title);

          // Indexing all services, regardless if enabled.
          List<AccessibilityServiceInfo> services =
              accessibilityManager.getInstalledAccessibilityServiceList();
          final int serviceCount = services.size();
          for (int i = 0; i < serviceCount; i++) {
            AccessibilityServiceInfo service = services.get(i);
            if (service == null || service.getResolveInfo() == null) {
              continue;
            }

            ServiceInfo serviceInfo = service.getResolveInfo().serviceInfo;
            ComponentName componentName =
                new ComponentName(serviceInfo.packageName, serviceInfo.name);

            SearchIndexableRaw indexable = new SearchIndexableRaw(context);
            indexable.key = componentName.flattenToString();
            indexable.title = service.getResolveInfo().loadLabel(packageManager).toString();
            indexable.summaryOn = context.getString(R.string.accessibility_feature_state_on);
            indexable.summaryOff = context.getString(R.string.accessibility_feature_state_off);
            indexable.screenTitle = screenTitle;
            indexables.add(indexable);
          }

          return indexables;
        }
  private void updateServicesPreferences() {
    // Since services category is auto generated we have to do a pass
    // to generate it since services can come and go and then based on
    // the global accessibility state to decided whether it is enabled.

    // Generate.
    mServicesCategory.removeAll();

    AccessibilityManager accessibilityManager = AccessibilityManager.getInstance(getActivity());

    List<AccessibilityServiceInfo> installedServices =
        accessibilityManager.getInstalledAccessibilityServiceList();
    Set<ComponentName> enabledServices = getEnabledServicesFromSettings(getActivity());

    final boolean accessibilityEnabled =
        Settings.Secure.getInt(getContentResolver(), Settings.Secure.ACCESSIBILITY_ENABLED, 0) == 1;

    for (int i = 0, count = installedServices.size(); i < count; ++i) {
      AccessibilityServiceInfo info = installedServices.get(i);

      PreferenceScreen preference = getPreferenceManager().createPreferenceScreen(getActivity());
      String title = info.getResolveInfo().loadLabel(getPackageManager()).toString();

      ServiceInfo serviceInfo = info.getResolveInfo().serviceInfo;
      ComponentName componentName = new ComponentName(serviceInfo.packageName, serviceInfo.name);

      preference.setKey(componentName.flattenToString());

      preference.setTitle(title);
      final boolean serviceEnabled =
          accessibilityEnabled && enabledServices.contains(componentName);
      if (serviceEnabled) {
        preference.setSummary(getString(R.string.accessibility_service_state_on));
      } else {
        preference.setSummary(getString(R.string.accessibility_service_state_off));
      }

      preference.setOrder(i);
      preference.setFragment(ToggleAccessibilityServiceFragment.class.getName());
      preference.setPersistent(true);

      Bundle extras = preference.getExtras();
      extras.putString(EXTRA_PREFERENCE_KEY, preference.getKey());
      extras.putBoolean(EXTRA_CHECKED, serviceEnabled);
      extras.putString(EXTRA_TITLE, title);

      String description = info.getDescription();
      if (TextUtils.isEmpty(description)) {
        description = getString(R.string.accessibility_service_default_description);
      }
      extras.putString(EXTRA_SUMMARY, description);

      CharSequence applicationLabel = info.getResolveInfo().loadLabel(getPackageManager());

      extras.putString(
          EXTRA_ENABLE_WARNING_TITLE,
          getString(R.string.accessibility_service_security_warning_title, applicationLabel));
      extras.putString(
          EXTRA_ENABLE_WARNING_MESSAGE,
          getString(R.string.accessibility_service_security_warning_summary, applicationLabel));

      extras.putString(
          EXTRA_DISABLE_WARNING_TITLE,
          getString(R.string.accessibility_service_disable_warning_title, applicationLabel));
      extras.putString(
          EXTRA_DISABLE_WARNING_MESSAGE,
          getString(R.string.accessibility_service_disable_warning_summary, applicationLabel));

      String settingsClassName = info.getSettingsActivityName();
      if (!TextUtils.isEmpty(settingsClassName)) {
        extras.putString(
            EXTRA_SETTINGS_TITLE, getString(R.string.accessibility_menu_item_settings));
        extras.putString(
            EXTRA_SETTINGS_COMPONENT_NAME,
            new ComponentName(info.getResolveInfo().serviceInfo.packageName, settingsClassName)
                .flattenToString());
      }

      mServicesCategory.addPreference(preference);
    }

    if (mServicesCategory.getPreferenceCount() == 0) {
      if (mNoServicesMessagePreference == null) {
        mNoServicesMessagePreference =
            new Preference(getActivity()) {
              @Override
              protected void onBindView(View view) {
                super.onBindView(view);

                LinearLayout containerView =
                    (LinearLayout) view.findViewById(R.id.message_container);
                containerView.setGravity(Gravity.CENTER);

                TextView summaryView = (TextView) view.findViewById(R.id.summary);
                String title = getString(R.string.accessibility_no_services_installed);
                summaryView.setText(title);
              }
            };
        mNoServicesMessagePreference.setPersistent(false);
        mNoServicesMessagePreference.setLayoutResource(R.layout.text_description_preference);
        mNoServicesMessagePreference.setSelectable(false);
      }
      mServicesCategory.addPreference(mNoServicesMessagePreference);
    }
  }
  private void updateServicesPreferences() {
    // Since services category is auto generated we have to do a pass
    // to generate it since services can come and go and then based on
    // the global accessibility state to decided whether it is enabled.

    // Generate.
    mServicesCategory.removeAll();

    AccessibilityManager accessibilityManager = AccessibilityManager.getInstance(getActivity());

    List<AccessibilityServiceInfo> installedServices =
        accessibilityManager.getInstalledAccessibilityServiceList();
    Set<ComponentName> enabledServices =
        AccessibilityUtils.getEnabledServicesFromSettings(getActivity());
    List<String> permittedServices = mDpm.getPermittedAccessibilityServices(UserHandle.myUserId());
    final boolean accessibilityEnabled =
        Settings.Secure.getInt(getContentResolver(), Settings.Secure.ACCESSIBILITY_ENABLED, 0) == 1;

    for (int i = 0, count = installedServices.size(); i < count; ++i) {
      AccessibilityServiceInfo info = installedServices.get(i);

      PreferenceScreen preference = getPreferenceManager().createPreferenceScreen(getActivity());
      String title = info.getResolveInfo().loadLabel(getPackageManager()).toString();

      ServiceInfo serviceInfo = info.getResolveInfo().serviceInfo;
      ComponentName componentName = new ComponentName(serviceInfo.packageName, serviceInfo.name);

      preference.setKey(componentName.flattenToString());

      preference.setTitle(title);
      final boolean serviceEnabled =
          accessibilityEnabled && enabledServices.contains(componentName);
      String serviceEnabledString;
      if (serviceEnabled) {
        serviceEnabledString = getString(R.string.accessibility_feature_state_on);
      } else {
        serviceEnabledString = getString(R.string.accessibility_feature_state_off);
      }

      // Disable all accessibility services that are not permitted.
      String packageName = serviceInfo.packageName;
      boolean serviceAllowed = permittedServices == null || permittedServices.contains(packageName);
      preference.setEnabled(serviceAllowed || serviceEnabled);

      String summaryString;
      if (serviceAllowed) {
        summaryString = serviceEnabledString;
      } else {
        summaryString = getString(R.string.accessibility_feature_or_input_method_not_allowed);
      }
      preference.setSummary(summaryString);

      preference.setOrder(i);
      preference.setFragment(ToggleAccessibilityServicePreferenceFragment.class.getName());
      preference.setPersistent(true);

      Bundle extras = preference.getExtras();
      extras.putString(EXTRA_PREFERENCE_KEY, preference.getKey());
      extras.putBoolean(EXTRA_CHECKED, serviceEnabled);
      extras.putString(EXTRA_TITLE, title);

      String description = info.loadDescription(getPackageManager());
      if (TextUtils.isEmpty(description)) {
        description = getString(R.string.accessibility_service_default_description);
      }
      extras.putString(EXTRA_SUMMARY, description);

      String settingsClassName = info.getSettingsActivityName();
      if (!TextUtils.isEmpty(settingsClassName)) {
        extras.putString(
            EXTRA_SETTINGS_TITLE, getString(R.string.accessibility_menu_item_settings));
        extras.putString(
            EXTRA_SETTINGS_COMPONENT_NAME,
            new ComponentName(info.getResolveInfo().serviceInfo.packageName, settingsClassName)
                .flattenToString());
      }

      extras.putParcelable(EXTRA_COMPONENT_NAME, componentName);

      mServicesCategory.addPreference(preference);
    }

    if (mServicesCategory.getPreferenceCount() == 0) {
      if (mNoServicesMessagePreference == null) {
        mNoServicesMessagePreference = new Preference(getActivity());
        mNoServicesMessagePreference.setPersistent(false);
        mNoServicesMessagePreference.setLayoutResource(R.layout.text_description_preference);
        mNoServicesMessagePreference.setSelectable(false);
        mNoServicesMessagePreference.setSummary(
            getString(R.string.accessibility_no_services_installed));
      }
      mServicesCategory.addPreference(mNoServicesMessagePreference);
    }
  }
  private void runInstrument() {
    String profileFile = null;
    boolean wait = false;
    boolean rawMode = false;
    boolean no_window_animation = false;
    Bundle args = new Bundle();
    String argKey = null, argValue = null;
    IWindowManager wm = IWindowManager.Stub.asInterface(ServiceManager.getService("window"));

    try {
      String opt;
      while ((opt = nextOption()) != null) {
        if (opt.equals("-p")) {
          profileFile = nextOptionData();
        } else if (opt.equals("-w")) {
          wait = true;
        } else if (opt.equals("-r")) {
          rawMode = true;
        } else if (opt.equals("-e")) {
          argKey = nextOptionData();
          argValue = nextOptionData();
          args.putString(argKey, argValue);
        } else if (opt.equals("--no_window_animation")) {
          no_window_animation = true;
        } else {
          System.err.println("Error: Unknown option: " + opt);
          showUsage();
          return;
        }
      }
    } catch (RuntimeException ex) {
      System.err.println("Error: " + ex.toString());
      showUsage();
      return;
    }

    String cnArg = nextArg();
    if (cnArg == null) {
      System.err.println("Error: No instrumentation component supplied");
      showUsage();
      return;
    }

    ComponentName cn = ComponentName.unflattenFromString(cnArg);
    if (cn == null) {
      System.err.println("Error: Bad component name: " + cnArg);
      showUsage();
      return;
    }

    InstrumentationWatcher watcher = null;
    if (wait) {
      watcher = new InstrumentationWatcher();
      watcher.setRawOutput(rawMode);
    }
    float[] oldAnims = null;
    if (no_window_animation) {
      try {
        oldAnims = wm.getAnimationScales();
        wm.setAnimationScale(0, 0.0f);
        wm.setAnimationScale(1, 0.0f);
      } catch (RemoteException e) {
      }
    }

    try {
      if (!mAm.startInstrumentation(cn, profileFile, 0, args, watcher)) {
        System.out.println("INSTRUMENTATION_FAILED: " + cn.flattenToString());
        showUsage();
        return;
      }
    } catch (RemoteException e) {
    }

    if (watcher != null) {
      if (!watcher.waitForFinish()) {
        System.out.println("INSTRUMENTATION_ABORTED: System has crashed.");
      }
    }

    if (oldAnims != null) {
      try {
        wm.setAnimationScales(oldAnims);
      } catch (RemoteException e) {
      }
    }
  }