package com.shumin.lbs08;

import android.os.Bundle;
import android.os.Handler;
import android.os.Message;
import android.support.v7.app.ActionBarActivity;
import android.view.Menu;
import android.view.MenuItem;
import android.view.View;
import android.view.View.OnClickListener;
import android.widget.Button;
import android.widget.TextView;


public class MainActivity extends ActionBarActivity {

private Button button;
private Handler handler;
private TextView textview;

@Override
protected void onCreate(Bundle savedInstanceState) {
super.onCreate(savedInstanceState);
setContentView(R.layout.activity_main);
textview=(TextView)findViewById(R.id.textview);
button=(Button)findViewById(R.id.button);
ButtonListener listener=new ButtonListener();
button.setOnClickListener(listener);
handler=new MyHandler();
}


class ButtonListener implements OnClickListener{

@Override
public void onClick(View v) {
Thread t=new NetworkeThread();
t.start();
}

}
class NetworkeThread extends Thread{
public void run(){
try{
Thread.sleep(5000);
}catch(InterruptedException e){
e.printStackTrace();
}
String s="接收到了資料！";
Message msg=handler.obtainMessage();
msg.obj=s;
handler.sendMessage(msg);
}

}
class MyHandler extends Handler{

@Override
public void handleMessage(Message msg) {
String s=(String)msg.obj;
textview.setText(s);
}

}


@Override
public boolean onCreateOptionsMenu(Menu menu) {
// Inflate the menu; this adds items to the action bar if it is present.
getMenuInflater().inflate(R.menu.main, menu);
return true;
}

@Override
public boolean onOptionsItemSelected(MenuItem item) {
// Handle action bar item clicks here. The action bar will
// automatically handle clicks on the Home/Up button, so long
// as you specify a parent activity in AndroidManifest.xml.
int id = item.getItemId();
if (id == R.id.action_settings) {
return true;
}
return super.onOptionsItemSelected(item);
}
}