in the scanning page, SCAN and STOP flicker ceaselessly
the run log :::
....
D/BluetoothLeScanner: could not find callback wrapper
V/InputMethodManager: Reporting focus gain, without startInput
I/BluetoothAdapter: getBluetoothLeScanner
D/BluetoothAdapter: isLeEnabled(): ON
D/BluetoothLeScanner: onScannerRegistered() - status=0 scannerId=10 mScannerId=0
D/BluetoothAdapter: isLeEnabled(): ON
D/BluetoothAdapter: isLeEnabled(): ON
D/BluetoothLeScanner: could not find callback wrapper
V/InputMethodManager: Reporting focus gain, without startInput
I/BluetoothAdapter: getBluetoothLeScanner
D/BluetoothAdapter: isLeEnabled(): ON
D/BluetoothLeScanner: onScannerRegistered() - status=0 scannerId=10 mScannerId=0
D/BluetoothAdapter: isLeEnabled(): ON
D/BluetoothAdapter: isLeEnabled(): ON
D/BluetoothLeScanner: could not find callback wrapper
V/InputMethodManager: Reporting focus gain, without startInput
I/BluetoothAdapter: getBluetoothLeScanner
D/BluetoothAdapter: isLeEnabled(): ON
D/BluetoothLeScanner: onScannerRegistered() - status=0 scannerId=10 mScannerId=0
D/BluetoothAdapter: isLeEnabled(): ON
D/BluetoothAdapter: isLeEnabled(): ON
D/BluetoothLeScanner: could not find callback wrapper
V/InputMethodManager: Reporting focus gain, without startInput
......