在我的应用程序中，我想将多个活动的值发送到连接的线程，我不知道如何解决这个问题，请帮助我示例：我想发送字符串字符串 =“#FFFFFF000*”；从第一个活动到服务类， String string= "#000000000*" ;从 Second- 活动到服务类
public class BluetoothDataService1 extends Service {
final int handlerState = 0;
Handler bluetoothIn;
private BluetoothAdapter btAdapter = null;
private ConnectingThread mConnectingThread;
private ConnectedThread mConnectedThread;
private boolean stopThread;
private static final UUID BTMODULEUUID = UUID.fromString("00001101-0000-1000-8000-00805F9B34FB");
// private static String MAC_ADDRESS="98:D3:31:30:A5:00" ;
private static String MAC_ADDRESS="98:D3:32:20:42:54" ;
private StringBuilder recDataString = new StringBuilder();
private final IBinder binder = new LocalBinder();
@Override
public void onCreate() {
super.onCreate();
stopThread = false;
}
@Override
public int onStartCommand(Intent intent, int flags, int startId) {
super.onStartCommand(intent, flags, startId);
bluetoothIn = new Handler()
{
public void handleMessage(android.os.Message msg) {
if (msg.what == handlerState) {
String readMessage = (String) msg.obj;
recDataString.append(readMessage);
}
recDataString.delete(0, recDataString.length());
}
};
btAdapter = BluetoothAdapter.getDefaultAdapter();
checkBTState();
return START_STICKY;
//return super.onStartCommand(intent, flags, startId);
}
@Override
public void onDestroy() {
super.onDestroy();
bluetoothIn.removeCallbacksAndMessages(null);
stopThread = true;
if (mConnectedThread != null ) {
mConnectedThread.closeStreams();
}
if (mConnectingThread != null) {
mConnectingThread.closeSocket();
}
}
@Override
public IBinder onBind(Intent intent)
{
return binder;
}
//Checks Bluetooth is available and turned on /off
private void checkBTState() {
if (btAdapter == null) {
stopSelf();
} else {
if (btAdapter.isEnabled()) {
try {
BluetoothDevice device = btAdapter.getRemoteDevice(MAC_ADDRESS);
mConnectingThread = new ConnectingThread(device);
mConnectingThread.start();
} catch (IllegalArgumentException e) {
stopSelf();
}
} else {
stopSelf();
}
}
}
// public void senddata() {
//
// }
// New Class for Connecting Thread
public class ConnectingThread extends Thread {
private final BluetoothSocket mmSocket;
private final BluetoothDevice mmDevice;
public ConnectingThread(BluetoothDevice device) {
mmDevice = device;
BluetoothSocket temp = null;
try {
temp = mmDevice.createRfcommSocketToServiceRecord(BTMODULEUUID);
} catch (IOException e) {
stopSelf();
}
mmSocket = temp;
}
@Override
public void run() {
super.run();
btAdapter.cancelDiscovery();
try {
mmSocket.connect();
mConnectedThread = new ConnectedThread(mmSocket);
mConnectedThread.start();
mConnectedThread.write("x");
} catch (IOException e) {
try {
mmSocket.close();
stopSelf();
} catch (IOException e2) {
stopSelf();
}
} catch (IllegalStateException e) {
stopSelf();
}
}
public void closeSocket() {
try {
mmSocket.close();
} catch (IOException e2) {
stopSelf();
}
}
}
// New Class for Connected Thread
class ConnectedThread extends Thread {
private final InputStream mmInStream;
private final OutputStream mmOutStream;
//creation of the connect thread
public ConnectedThread(BluetoothSocket socket) {
InputStream tmpIn = null;
OutputStream tmpOut = null;
try {
//Create I/O streams for connection
tmpIn = socket.getInputStream();
tmpOut = socket.getOutputStream();
} catch (IOException e) {
stopSelf();
}
mmInStream = tmpIn;
mmOutStream = tmpOut;
}
public void run() {
byte[] buffer = new byte[256];
int bytes;
// Keep looping to listen for received messages
while (true && !stopThread) {
try {
bytes = mmInStream.read(buffer);
String readMessage = new String(buffer, 0, bytes);
//Send the obtained bytes to the UI Activity via handler
bluetoothIn.obtainMessage(handlerState, bytes, -1, readMessage).sendToTarget();
} catch (IOException e) {
stopSelf();
break;
}
}
}
//write method
public void write(String input) {
byte[] msgBuffer = input.getBytes();
try {
mmOutStream.write(msgBuffer);
} catch (IOException e) {
stopSelf();
}
}
public void closeStreams() {
try {
mmInStream.close();
mmOutStream.close();
} catch (IOException e2) {
stopSelf();
}
}
}
// private class LocalBinder implements IBinder {
// }
public class LocalBinder extends Binder {
BluetoothDataService1 getService() {
return BluetoothDataService1.this;
}
}
这是我的活动
public class SendActivity extends Activity implements View.OnClickListener {
Button on;
BluetoothDataService1 bluetoothDataService1;
public boolean isBound = false;
@Override
public void onCreate(Bundle savedInstanceState) {
super.onCreate(savedInstanceState);
setContentView(R.layout.activity_send);
on= (Button) findViewById(R.id.btnon);
on.setOnClickListener(this);
}
@Override
public void onStart() {
super.onStart();
Intent intent = new Intent(this, BluetoothDataService1.class);
bindService(intent, connection, Context.BIND_AUTO_CREATE);
}
@Override
public void onClick(View v) {
if (isBound) {
// Intent intent=new Intent (SendActivity.this,BluetoothDataService1.class);
// intent.putExtra("ON","#ffffff00" );
// startService(intent);
}
}
private ServiceConnection connection = new ServiceConnection() {
@Override
public void onServiceConnected(ComponentName className, IBinder service) {
BluetoothDataService1.LocalBinder binder = (BluetoothDataService1.LocalBinder) service;
bluetoothDataService1 = binder.getService();
isBound = true;
}
@Override
public void onServiceDisconnected(ComponentName arg0) {
isBound = false;
}
};
@Override
public void onStop() {
super.onStop();
if (isBound) {
unbindService(connection);
isBound = false;
}
}