Examples with ContentObserver android.database.ContentObserver used on opensource projects

Example 26 with ContentObserver

use of android.database.ContentObserver in project XobotOS by xamarin.

the class ContentQueryMap method setKeepUpdated.

/**
     * Change whether or not the ContentQueryMap will register with the cursor's ContentProvider 
     * for change notifications. If you use a ContentQueryMap in an activity you should call this
     * with false in onPause(), which means you need to call it with true in onResume()
     * if want it to be kept updated.
     * @param keepUpdated if true the ContentQueryMap should be registered with the cursor's
     * ContentProvider, false otherwise
     */
public void setKeepUpdated(boolean keepUpdated) {
    if (keepUpdated == mKeepUpdated)
        return;
    mKeepUpdated = keepUpdated;
    if (!mKeepUpdated) {
        mCursor.unregisterContentObserver(mContentObserver);
        mContentObserver = null;
    } else {
        if (mHandlerForUpdateNotifications == null) {
            mHandlerForUpdateNotifications = new Handler();
        }
        if (mContentObserver == null) {
            mContentObserver = new ContentObserver(mHandlerForUpdateNotifications) {

                @Override
                public void onChange(boolean selfChange) {
                    // let it query lazily when they ask for the values.
                    if (countObservers() != 0) {
                        requery();
                    } else {
                        mDirty = true;
                    }
                }
            };
        }
        mCursor.registerContentObserver(mContentObserver);
        // mark dirty, since it is possible the cursor's backing data had changed before we 
        // registered for changes
        mDirty = true;
    }
}

Example 27 with ContentObserver

use of android.database.ContentObserver in project android_frameworks_base by DirtyUnicorns.

the class BatteryService method onBootPhase.

@Override
public void onBootPhase(int phase) {
    if (phase == PHASE_ACTIVITY_MANAGER_READY) {
        // check our power situation now that it is safe to display the shutdown dialog.
        synchronized (mLock) {
            ContentObserver obs = new ContentObserver(mHandler) {

                @Override
                public void onChange(boolean selfChange) {
                    synchronized (mLock) {
                        updateBatteryWarningLevelLocked();
                    }
                }
            };
            final ContentResolver resolver = mContext.getContentResolver();
            resolver.registerContentObserver(Settings.Global.getUriFor(Settings.Global.LOW_POWER_MODE_TRIGGER_LEVEL), false, obs, UserHandle.USER_ALL);
            updateBatteryWarningLevelLocked();
        }
    } else if (phase == PHASE_BOOT_COMPLETED) {
        SettingsObserver observer = new SettingsObserver(new Handler());
        observer.observe();
    }
}

Example 28 with ContentObserver

use of android.database.ContentObserver in project android_frameworks_base by DirtyUnicorns.

the class DevicePolicyManagerServiceTestable method notifyChangeToContentObserver.

public void notifyChangeToContentObserver(Uri uri, int userHandle) {
    ContentObserver co = mMockInjector.mContentObservers.get(new Pair<Uri, Integer>(uri, userHandle));
    if (co != null) {
        // notify synchronously
        co.onChange(false, uri, userHandle);
    }
    // Notify USER_ALL observer too.
    co = mMockInjector.mContentObservers.get(new Pair<Uri, Integer>(uri, UserHandle.USER_ALL));
    if (co != null) {
        // notify synchronously
        co.onChange(false, uri, userHandle);
    }
}

Example 29 with ContentObserver

use of android.database.ContentObserver in project android_frameworks_base by DirtyUnicorns.

the class PowerUI method start.

public void start() {
    mPowerManager = (PowerManager) mContext.getSystemService(Context.POWER_SERVICE);
    mHardwarePropertiesManager = (HardwarePropertiesManager) mContext.getSystemService(Context.HARDWARE_PROPERTIES_SERVICE);
    mScreenOffTime = mPowerManager.isScreenOn() ? -1 : SystemClock.elapsedRealtime();
    mWarnings = new PowerNotificationWarnings(mContext, getComponent(PhoneStatusBar.class));
    ContentObserver obs = new ContentObserver(mHandler) {

        @Override
        public void onChange(boolean selfChange) {
            updateBatteryWarningLevels();
        }
    };
    final ContentResolver resolver = mContext.getContentResolver();
    resolver.registerContentObserver(Settings.Global.getUriFor(Settings.Global.LOW_POWER_MODE_TRIGGER_LEVEL), false, obs, UserHandle.USER_ALL);
    updateBatteryWarningLevels();
    mReceiver.init();
    initTemperatureWarning();
}

Example 30 with ContentObserver

use of android.database.ContentObserver in project android_frameworks_base by DirtyUnicorns.

the class TelecomLoaderService method registerDefaultAppNotifier.

private void registerDefaultAppNotifier() {
    final PackageManagerInternal packageManagerInternal = LocalServices.getService(PackageManagerInternal.class);
    // Notify the package manager on default app changes
    final Uri defaultSmsAppUri = Settings.Secure.getUriFor(Settings.Secure.SMS_DEFAULT_APPLICATION);
    final Uri defaultDialerAppUri = Settings.Secure.getUriFor(Settings.Secure.DIALER_DEFAULT_APPLICATION);
    ContentObserver contentObserver = new ContentObserver(new Handler(Looper.getMainLooper())) {

        @Override
        public void onChange(boolean selfChange, Uri uri, int userId) {
            if (defaultSmsAppUri.equals(uri)) {
                ComponentName smsComponent = SmsApplication.getDefaultSmsApplication(mContext, true);
                if (smsComponent != null) {
                    packageManagerInternal.grantDefaultPermissionsToDefaultSmsApp(smsComponent.getPackageName(), userId);
                }
            } else if (defaultDialerAppUri.equals(uri)) {
                String packageName = DefaultDialerManager.getDefaultDialerApplication(mContext);
                if (packageName != null) {
                    packageManagerInternal.grantDefaultPermissionsToDefaultDialerApp(packageName, userId);
                }
                updateSimCallManagerPermissions(packageManagerInternal, userId);
            }
        }
    };
    mContext.getContentResolver().registerContentObserver(defaultSmsAppUri, false, contentObserver, UserHandle.USER_ALL);
    mContext.getContentResolver().registerContentObserver(defaultDialerAppUri, false, contentObserver, UserHandle.USER_ALL);
}