package com.example.test019;

import android.app.Activity;
import android.os.Bundle;
import android.os.Handler;
import android.os.Message;
import android.view.Menu;
import android.widget.TextView;


//------------------------note : add a TexView as textView1 for show increasing number

public class MainActivity extends Activity {

	Handler mHandler;	
	
	
	@Override
	protected void onCreate(Bundle savedInstanceState) {
		super.onCreate(savedInstanceState);
		setContentView(R.layout.activity_main);
	
		final TextView text = (TextView)findViewById(R.id.textView1);
		final Handler mHandler = new Handler(){
		    int i = 0;
		    @Override
		    public void handleMessage(Message msg) {
		        switch(msg.what){
		            case 1:
		                i++;
		                text.setText(Integer.toString(i));
		                break;
		        }
		        super.handleMessage(msg);
		    }  
		};				
		
		
		new Thread(new Runnable(){
		    @Override
		    public void run() {
		        // TODO Auto-generated method stub           
		        while(true){
		            try{
		                Message msg = new Message();
		                msg.what = 1;
		                mHandler.sendMessage(msg);
		                Thread.sleep(500);
		            }
		            catch(Exception e){
		                e.printStackTrace();
		            }
		        }
		    }            
		}).start();		
		
		
	}

	@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;
	}

}