Android应用与framework的socket通信示例

package mobile.socket; import android.app.Activity; import android.os.Bundle; import android.os.Handler; import android.os.Message; import android.util.Log; import android.view.View; import android.widget.Spinner; import android.widget.TextView; import android.widget.Toast; public class MySocketActivity extends Activity { private SocketClient socketClient = null; private static String INFO; /** Called when the activity is first created. */ @Override public void onCreate(Bundle savedInstanceState) { super.onCreate(savedInstanceState); setContentView(R.layout.main); Log.i("MySocketActivity", "Sleep waiting for service socket start"); socketClient = new SocketClient(); } /** * 发送姓名 * * @param view */ public void sendName(View view) { String name = ((TextView) this.findViewById(R.id.editText1)).getText().toString(); if (name == "") { Toast.makeText(this, getResources().getString(R.string.nameNull), Toast.LENGTH_SHORT).show(); return; } String sex = ((Spinner) this.findViewById(R.id.spinner1)).getSelectedItem().toString(); INFO = sex+ "." + name ; new SocketThread(handler).start(); } private class SocketThread extends Thread { private Handler handler; public SocketThread(Handler handler) { super(); this.handler = handler; } @Override public void run() { Log.i("MySocketActivity", "SocketThead wait for result."); String result = getSocketClient().sendMsg(INFO); Log.i("MySocketActivity", "Socket reslut:" + result); Message msg = handler.obtainMessage(); Bundle bundle = new Bundle(); bundle.putString("result", result); msg.setData(bundle); handler.sendMessage(msg); } } private Handler handler = new Handler() { public void handleMessage(android.os.Message msg) { String result = msg.getData().getString("result"); Log.i("MySocketActivity", "Handler result:" + result); ((TextView) MySocketActivity.this.findViewById(R.id.tvResult)).setText(result); }; }; @Override protected void onDestroy() { if (socketClient != null) { getSocketClient().closeSocket(); } super.onDestroy(); } public SocketClient getSocketClient() { if (socketClient == null) { socketClient = new SocketClient(); } return socketClient; } }