@Override
public void onDestroy() {
super.onDestroy();
log("--- ON DESTROY ---");
unregisterReceiver(mGattUpdateReceiver);
mBluetoothLeService = null;
// 解除蓝牙服务
unbindService(mServiceConnection);
// 结束子线程
closeCamera();
DisConnectSocket(); // 关闭监听socket，结束阻塞状态，才能结束线程
stopRecvThread();
stopBroadcastThread();
stopSendThread();
mBroadcastThread.quitSafely();
mRecvThread.quitSafely();
mCameraThread.quitSafely();
mSendThread.quitSafely();
// 释放 lock
wl.release();
}
/** 初始化线程 */
private void initThread() {
mBroadcastThread = new HandlerThread("broadcast thread");
mBroadcastThread.start();
mBroadcastHandler =
new Handler(mBroadcastThread.getLooper()) {
@Override
public void handleMessage(Message msg) {
log("开启广播ip线程");
while (mBroadcastFlag) {
// 发送广播信号
try {
sendBrocast();
Thread.sleep(500);
} catch (InterruptedException e) {
log(e.getMessage());
} catch (Exception e) {
log(e.getMessage());
}
}
log("关闭广播ip线程");
super.handleMessage(msg);
}
};
// 接收数据线程
mRecvThread = new HandlerThread("receivethread");
mRecvThread.start();
mRecvHandler =
new Handler(mRecvThread.getLooper()) {
@Override
public void handleMessage(Message msg) {
log("开启接收线程！");
while (mRecvFlag) {
try {
recvData();
} catch (Exception e) {
log("接收线程异常");
log(e.getMessage());
}
}
log("结束接收线程！");
super.handleMessage(msg);
}
};
mCameraThread = new CameraThread("camerathread");
mCameraThread.start();
mCameraHandler =
new Handler(mCameraThread.getLooper()) {
@Override
public void handleMessage(Message msg) {
switch (msg.what) {
case CameraThread.OPENCAMERA: // 打开相机
mCameraThread.openCamera();
break;
case CameraThread.CLOSECAMERA: // 关闭相机
mCameraThread.closeCamera();
break;
case CameraThread.TAKEPICTURE: // 关闭相机
mCameraThread.takePicture();
break;
}
super.handleMessage(msg);
}
};
mSendThread = new HandlerThread("sendthread");
mSendThread.start();
mSendThreadHandler =
new Handler(mSendThread.getLooper()) {
@Override
public void handleMessage(Message msg) {
log("开启发送线程！");
try {
if (mSendSocket != null) {
mSendSocket.close();
mSendSocket = null;
}
mSendSocket = new DatagramSocket(remotePort);
} catch (SocketException e1) {
log("new socket 异常");
log(e1.getMessage());
}
byte[] sendData;
while (mSendThreadFlag) {
try {
synchronized (sendQueue) {
if (!sendQueue.isEmpty()) {
sendData = sendQueue.remove(0).toByteArray();
sPacket =
new DatagramPacket(
sendData, sendData.length, InetAddress.getByName(remoteIP), remotePort);
mSendSocket.send(sPacket);
}
}
Thread.sleep(10);
} catch (Exception e) {
log("未打开网络");
log(e.getMessage());
}
}
// 关闭资源
if (mSendSocket != null) {
mSendSocket.close();
mSendSocket = null;
}
log("结束发送线程");
super.handleMessage(msg);
}
};
}
private void startCameraThread() {
Utils.logMethod(CLASS_TAG);
cameraThread = new CameraThread();
cameraThread.start();
}
