Android Button事件处理

 package demo.button;


import android.app.Activity;
import android.os.Bundle;
import android.view.ContextMenu;
import android.view.ContextMenu.ContextMenuInfo;
import android.view.MotionEvent;
import android.view.View;
import android.view.View.OnClickListener;
import android.view.View.OnCreateContextMenuListener;
import android.view.View.OnLongClickListener;
import android.view.View.OnTouchListener;
import android.widget.Button;
import android.widget.Toast;


public class TestButtonActivity extends Activity
{
    Button test = null;
    @Override
    public void onCreate(Bundle savedInstanceState)
    {
        super.onCreate(savedInstanceState);
        setContentView(R.layout.main);
        
        
        test = (Button) findViewById(R.id.test);
        
        test.setOnClickListener(new MyOnClickListener());
        test.setOnLongClickListener(new MyOnLongClickListener());
        test.setOnTouchListener(new MyOnTouchListener());
    }
    
    
    class MyOnClickListener implements OnClickListener
    { 
     @Override
     public void onClick(View v)
     { 
     Toast.makeText(getApplicationContext(), "单击事件", Toast.LENGTH_SHORT).show();
     }
    
    }
    
   class MyOnLongClickListener implements OnLongClickListener
   {  
 
@Override
public boolean onLongClick(View v)
{
Toast.makeText(getApplicationContext(), "长按事件", Toast.LENGTH_SHORT).show();
return true;
}
   
   }
   
   class MyOnTouchListener implements OnTouchListener
   {


@Override
public boolean onTouch(View v, MotionEvent event)
{
if (event.getAction() == MotionEvent.ACTION_DOWN)
{
 
Toast.makeText(getApplicationContext(), "按下按钮事件", Toast.LENGTH_SHORT).show();
}  

if (event.getAction() == MotionEvent.ACTION_UP)
{
Toast.makeText(getApplicationContext(), "弹起按钮事件", Toast.LENGTH_SHORT).show();

}

               //返回true  表示事件处理完毕，会中断系统对该事件的处理。false 系统会同时处理对应的事件
return true;
}   
   }
}