Java/BlueTooth LE device call sequence

opensource: simple_bluetooth_le_terminal

 

 

0) 최초 실행시  MainActivity에서  fragment에  DeviceFragment()를 추가해준다. > MainActivity.java onCreate() 에서 DeviceFragment.java DeviceFragment() 를 호출함 DeviceFragment.java  +-> OnCreate() => ... +-> onOptionsItemSelected()   +->startScan()      ..+->new Thread(() -> bluetoothAdapter.startLeScan(null, leScanCallback), "startLeScan") 1) scan 버튼 누르고 BLE device list에서 1개 선택할때 DeviceFragment.java / onListItemClick() +-> new TerminalFragment() 로 이동함 .simple_bluetooth_le_terminal D/ViewRootImpl@6a45722[MainActivity]: ViewPostIme pointer 0 .simple_bluetooth_le_terminal D/ViewRootImpl@6a45722[MainActivity]: ViewPostIme pointer 1 l D/BluetoothAdapter: startLeScan(): null l D/BluetoothAdapter: STATE_ON l I/chatty: uid=10580(de.kai_morich.simple_bluetooth_le_terminal) startLeScan identical 1 line l D/BluetoothAdapter: STATE_ON l D/BluetoothLeScanner: Start Scan with callback  D/BluetoothLeScanner: onScannerRegistered() - status=0 scannerId=12 mScannerId=0  I/oth_le_termina: Compiler allocated 4MB to compile void android.widget.TextView.<init>(android.content.Context, android.util.AttributeSet, int, int)  D/BluetoothAdapter: stopLeScan()  D/BluetoothAdapter: STATE_ON  D/BluetoothAdapter: STATE_ON  D/BluetoothLeScanner: Stop Scan with callback  D/ViewRootImpl@6a45722[MainActivity]: ViewPostIme pointer 0  D/ViewRootImpl@6a45722[MainActivity]: ViewPostIme pointer 1  D/AbsListView: onTouchUp() mTouchMode : 0  D/SerialSocket: connect D0:B5:C2:95:12:7C  D/SerialSocket: connectGatt,LE  D/BluetoothAdapter: STATE_ON  D/BluetoothGatt: connect() - device: D0:B5:C2:95:12:7C, auto: false  D/BluetoothAdapter: isSecureModeEnabled  D/BluetoothGatt: registerApp()  D/BluetoothGatt: registerApp() - UUID=ec5de07c-7488-4183-b214-eaa25e98e8f2  D/BluetoothGatt: onClientRegistered() - status=0 clientIf=12  D/BluetoothGatt: onClientConnectionState() - status=0 clientIf=12 device=D0:B5:C2:95:12:7C  D/SerialSocket: connect status 0, discoverServices  D/BluetoothGatt: discoverServices() - device: D0:B5:C2:95:12:7C  D/BluetoothGatt: onConnectionUpdated() - Device=D0:B5:C2:95:12:7C interval=6 latency=0 timeout=500 status=0  D/BluetoothGatt: onSearchComplete() = Device=D0:B5:C2:95:12:7C Status=0  D/SerialSocket: servicesDiscovered, status 0  D/SerialSocket: service cc254x uart  D/SerialSocket: request max MTU  D/BluetoothGatt: configureMTU() - device: D0:B5:C2:95:12:7C mtu: 512  D/BluetoothGatt: onConnectionUpdated() - Device=D0:B5:C2:95:12:7C interval=39 latency=0 timeout=500 status=0  D/BluetoothGatt: onConfigureMTU() - Device=D0:B5:C2:95:12:7C mtu=23 status=0  D/SerialSocket: mtu size 23, status=0  D/SerialSocket: payload size 20  D/BluetoothGatt: setCharacteristicNotification() - uuid: 0000ffe1-0000-1000-8000-00805f9b34fb enable: true  D/SerialSocket: enable read notification  D/SerialSocket: writing read characteristic descriptor  D/SerialSocket: writing read characteristic descriptor finished, status=0  D/SerialSocket: connected  D/SerialSocket: read, len=3,data:AT  D/SerialSocket: read, len=17,data:0MyConnected,000  D/BluetoothGatt: onConnectionUpdated() - Device=D0:B5:C2:95:12:7C interval=9 latency=0 timeout=100 status=0  D/SerialSocket: read, len=17,data:0MyConnected,000  D/SerialSocket: read, len=11,data:21,1,1,1,0  D/SerialSocket: read, len=11,data:21,1,1,1,0  D/SerialSocket: read, len=11,data:21,1,1,1,0

 

*참고:  Activity vs Fragment life cycle

https://developer88.tistory.com/69

Activity 와 Fragment 의 lifecycle (생명주기)