PC与Android设备通过USB建立通信连接

package cn.gavinliu.android_pc_socket_connection; import java.io.DataInputStream; import java.io.DataOutputStream; import java.net.ServerSocket; import java.net.Socket; import android.annotation.SuppressLint; import android.app.Activity; import android.os.Bundle; import android.os.Handler; import android.os.Message; import android.util.Log; import android.widget.Toast; public class MainActivity extends Activity { private static final String TAG = "ServerThread"; ServerThread serverThread; Handler handler = new Handler() { @SuppressLint("NewApi") @Override public void handleMessage(Message msg) { Toast.makeText(getApplicationContext(), msg.getData().getString("MSG", "Toast"), Toast.LENGTH_SHORT).show(); } }; @Override protected void onCreate(Bundle savedInstanceState) { super.onCreate(savedInstanceState); setContentView(R.layout.activity_main); serverThread = new ServerThread(); serverThread.start(); } @Override protected void onDestroy() { super.onDestroy(); serverThread.setIsLoop(false); } class ServerThread extends Thread { boolean isLoop = true; public void setIsLoop(boolean isLoop) { this.isLoop = isLoop; } @Override public void run() { Log.d(TAG, "running"); ServerSocket serverSocket = null; try { serverSocket = new ServerSocket(9000); while (isLoop) { Socket socket = serverSocket.accept(); Log.d(TAG, "accept"); DataInputStream inputStream = new DataInputStream(socket.getInputStream()); DataOutputStream outputStream = new DataOutputStream(socket.getOutputStream()); String msg = inputStream.readUTF(); Message message = Message.obtain(); Bundle bundle = new Bundle(); bundle.putString("MSG", msg); message.setData(bundle); handler.sendMessage(message); socket.close(); } } catch (Exception e) { e.printStackTrace(); } finally { Log.d(TAG, "destory"); if (serverSocket != null) { try { serverSocket.close(); } catch (Exception e) { e.printStackTrace(); } } } } } }