DEFAULT_TARGET_SDK_VERSION reactlibrary Adapter LeScanCallback mLeDevices mLeDeviceListAdapter startLeScan mBleDevices TAG LeDeviceListAdapter scanLeDevice postDelayed addDevice setDeviceScanListener mHandler = new Handler(); reactContext CONNECT setRssiHandler DfuProgressListener mySQLOperate initializeHandler OnServiceStatuslt setICallback this mBluetoothLeService mHandler $PROJECT_DIR$/src/main/java/com/reactlibrary 1573202983915 1573202983915