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

Example 31 with ContentObserver

use of android.database.ContentObserver in project android_packages_inputmethods_LatinIME by CyanogenMod.

the class ContactsContentObserver method registerObserver.

public void registerObserver(final ContactsChangedListener listener) {
    if (!PermissionsUtil.checkAllPermissionsGranted(mContext, Manifest.permission.READ_CONTACTS)) {
        Log.i(TAG, "No permission to read contacts. Not registering the observer.");
        // do nothing if we do not have the permission to read contacts.
        return;
    }
    if (DebugFlags.DEBUG_ENABLED) {
        Log.d(TAG, "registerObserver()");
    }
    mContactsChangedListener = listener;
    mContentObserver = new ContentObserver(null) {

        /* handler */
        @Override
        public void onChange(boolean self) {
            ExecutorUtils.getBackgroundExecutor(ExecutorUtils.KEYBOARD).execute(ContactsContentObserver.this);
        }
    };
    final ContentResolver contentResolver = mContext.getContentResolver();
    contentResolver.registerContentObserver(Contacts.CONTENT_URI, true, mContentObserver);
}

Example 32 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 33 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 34 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 35 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;
    }
}