48     private BluetoothGatt mBluetoothGatt;  field in BluetoothLeService
82                         mBluetoothGatt.discoverServices());
220                 && mBluetoothGatt != null) {  in connect()
222             if (mBluetoothGatt.connect()) {  in connect()
237         mBluetoothGatt = device.connectGatt(this, false, mGattCallback);  in connect()
251         if (mBluetoothAdapter == null || mBluetoothGatt == null) {  in disconnect()
255         mBluetoothGatt.disconnect();  in disconnect()
263         if (mBluetoothGatt == null) {  in close()
266         mBluetoothGatt.close();  in close()
267         mBluetoothGatt = null;  in close()
278         if (mBluetoothAdapter == null || mBluetoothGatt == null) {  in readCharacteristic()
282         mBluetoothGatt.readCharacteristic(characteristic);  in readCharacteristic()
293         if (mBluetoothAdapter == null || mBluetoothGatt == null) {  in setCharacteristicNotification()
297         mBluetoothGatt.setCharacteristicNotification(characteristic, enabled);  in setCharacteristicNotification()
304             mBluetoothGatt.writeDescriptor(descriptor);  in setCharacteristicNotification()
315         if (mBluetoothGatt == null) return null;  in getSupportedGattServices()
317         return mBluetoothGatt.getServices();  in getSupportedGattServices()