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

Example 76 with ContentObserver

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

the class BluetoothManagerService method registerForBleScanModeChange.

// Monitor change of BLE scan only mode settings.
private void registerForBleScanModeChange() {
    ContentObserver contentObserver = new ContentObserver(null) {

        @Override
        public void onChange(boolean selfChange) {
            if (isBleScanAlwaysAvailable()) {
                // Nothing to do
                return;
            }
            // BLE scan is not available.
            disableBleScanMode();
            clearBleApps();
            try {
                mBluetoothLock.readLock().lock();
                if (mBluetooth != null)
                    mBluetooth.onBrEdrDown();
            } catch (RemoteException e) {
                Slog.e(TAG, "error when disabling bluetooth", e);
            } finally {
                mBluetoothLock.readLock().unlock();
            }
        }
    };
    mContentResolver.registerContentObserver(Settings.Global.getUriFor(Settings.Global.BLE_SCAN_ALWAYS_AVAILABLE), false, contentObserver);
}

Example 77 with ContentObserver

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

the class NightDisplayService method onUserChanged.

private void onUserChanged(int userHandle) {
    final ContentResolver cr = getContext().getContentResolver();
    if (mCurrentUser != UserHandle.USER_NULL) {
        if (mUserSetupObserver != null) {
            cr.unregisterContentObserver(mUserSetupObserver);
            mUserSetupObserver = null;
        } else if (mBootCompleted) {
            tearDown();
        }
    }
    mCurrentUser = userHandle;
    if (mCurrentUser != UserHandle.USER_NULL) {
        if (!isUserSetupCompleted(cr, mCurrentUser)) {
            mUserSetupObserver = new ContentObserver(mHandler) {

                @Override
                public void onChange(boolean selfChange, Uri uri) {
                    if (isUserSetupCompleted(cr, mCurrentUser)) {
                        cr.unregisterContentObserver(this);
                        mUserSetupObserver = null;
                        if (mBootCompleted) {
                            setUp();
                        }
                    }
                }
            };
            cr.registerContentObserver(Settings.Secure.getUriFor(Settings.Secure.USER_SETUP_COMPLETE), false, /* notifyForDescendents */
            mUserSetupObserver, mCurrentUser);
        } else if (mBootCompleted) {
            setUp();
        }
    }
}

Example 78 with ContentObserver

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

the class LocationManagerService method systemRunning.

public void systemRunning() {
    synchronized (mLock) {
        if (D)
            Log.d(TAG, "systemRunning()");
        // fetch package manager
        mPackageManager = mContext.getPackageManager();
        // fetch power manager
        mPowerManager = (PowerManager) mContext.getSystemService(Context.POWER_SERVICE);
        // prepare worker thread
        mLocationHandler = new LocationWorkerHandler(BackgroundThread.get().getLooper());
        // prepare mLocationHandler's dependents
        mLocationFudger = new LocationFudger(mContext, mLocationHandler);
        mBlacklist = new LocationBlacklist(mContext, mLocationHandler);
        mBlacklist.init();
        mGeofenceManager = new GeofenceManager(mContext, mBlacklist);
        // Monitor for app ops mode changes.
        AppOpsManager.OnOpChangedListener callback = new AppOpsManager.OnOpChangedInternalListener() {

            public void onOpChanged(int op, String packageName) {
                synchronized (mLock) {
                    for (Receiver receiver : mReceivers.values()) {
                        receiver.updateMonitoring(true);
                    }
                    applyAllProviderRequirementsLocked();
                }
            }
        };
        mAppOps.startWatchingMode(AppOpsManager.OP_COARSE_LOCATION, null, callback);
        PackageManager.OnPermissionsChangedListener permissionListener = new PackageManager.OnPermissionsChangedListener() {

            @Override
            public void onPermissionsChanged(final int uid) {
                synchronized (mLock) {
                    applyAllProviderRequirementsLocked();
                }
            }
        };
        mPackageManager.addOnPermissionsChangeListener(permissionListener);
        mUserManager = (UserManager) mContext.getSystemService(Context.USER_SERVICE);
        updateUserProfiles(mCurrentUserId);
        // prepare providers
        loadProvidersLocked();
        updateProvidersLocked();
    }
    // listen for settings changes
    mContext.getContentResolver().registerContentObserver(Settings.Secure.getUriFor(Settings.Secure.LOCATION_PROVIDERS_ALLOWED), true, new ContentObserver(mLocationHandler) {

        @Override
        public void onChange(boolean selfChange) {
            synchronized (mLock) {
                updateProvidersLocked();
            }
        }
    }, UserHandle.USER_ALL);
    mPackageMonitor.register(mContext, mLocationHandler.getLooper(), true);
    // listen for user change
    IntentFilter intentFilter = new IntentFilter();
    intentFilter.addAction(Intent.ACTION_USER_SWITCHED);
    intentFilter.addAction(Intent.ACTION_MANAGED_PROFILE_ADDED);
    intentFilter.addAction(Intent.ACTION_MANAGED_PROFILE_REMOVED);
    intentFilter.addAction(Intent.ACTION_SHUTDOWN);
    mContext.registerReceiverAsUser(new BroadcastReceiver() {

        @Override
        public void onReceive(Context context, Intent intent) {
            String action = intent.getAction();
            if (Intent.ACTION_USER_SWITCHED.equals(action)) {
                switchUser(intent.getIntExtra(Intent.EXTRA_USER_HANDLE, 0));
            } else if (Intent.ACTION_MANAGED_PROFILE_ADDED.equals(action) || Intent.ACTION_MANAGED_PROFILE_REMOVED.equals(action)) {
                updateUserProfiles(mCurrentUserId);
            } else if (Intent.ACTION_SHUTDOWN.equals(action)) {
                // shutdown only if UserId indicates whole system, not just one user
                if (D)
                    Log.d(TAG, "Shutdown received with UserId: " + getSendingUserId());
                if (getSendingUserId() == UserHandle.USER_ALL) {
                    shutdownComponents();
                }
            }
        }
    }, UserHandle.ALL, intentFilter, null, mLocationHandler);
}

Example 79 with ContentObserver

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

the class DropBoxManagerService method onStart.

@Override
public void onStart() {
    // Set up intent receivers
    IntentFilter filter = new IntentFilter();
    filter.addAction(Intent.ACTION_DEVICE_STORAGE_LOW);
    getContext().registerReceiver(mReceiver, filter);
    mContentResolver.registerContentObserver(Settings.Global.CONTENT_URI, true, new ContentObserver(new Handler()) {

        @Override
        public void onChange(boolean selfChange) {
            mReceiver.onReceive(getContext(), (Intent) null);
        }
    });
    publishBinderService(Context.DROPBOX_SERVICE, mStub);
// The real work gets done lazily in init() -- that way service creation always
// succeeds, and things like disk problems cause individual method failures.
}

Example 80 with ContentObserver

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

the class ValidateNotificationPeople method initialize.

public void initialize(Context context, NotificationUsageStats usageStats) {
    if (DEBUG)
        Slog.d(TAG, "Initializing  " + getClass().getSimpleName() + ".");
    mUserToContextMap = new ArrayMap<>();
    mBaseContext = context;
    mUsageStats = usageStats;
    mPeopleCache = new LruCache<String, LookupResult>(PEOPLE_CACHE_SIZE);
    mEnabled = ENABLE_PEOPLE_VALIDATOR && 1 == Settings.Global.getInt(mBaseContext.getContentResolver(), SETTING_ENABLE_PEOPLE_VALIDATOR, 1);
    if (mEnabled) {
        mHandler = new Handler();
        mObserver = new ContentObserver(mHandler) {

            @Override
            public void onChange(boolean selfChange, Uri uri, int userId) {
                super.onChange(selfChange, uri, userId);
                if (DEBUG || mEvictionCount % 100 == 0) {
                    if (VERBOSE)
                        Slog.i(TAG, "mEvictionCount: " + mEvictionCount);
                }
                mPeopleCache.evictAll();
                mEvictionCount++;
            }
        };
        mBaseContext.getContentResolver().registerContentObserver(Contacts.CONTENT_URI, true, mObserver, UserHandle.USER_ALL);
    }
}