Android实现弹出Toast提示

package com.malakana.android200;

import android.os.Bundle;

import android.app.Activity;

import android.view.View;

import android.view.View.OnClickListener;

import android.widget.Button;

import android.widget.Toast;

public class MainActivity extends Activity {

@Override

protected void onCreate(Bundle savedInstanceState) {

super.onCreate(savedInstanceState);

setContentView(R.layout.activity_main);

Button button = (Button)findViewById(R.id.button);

OnClickListener listener = new OnClickListener(){

@Override

//重写onClick方法

public void onClick(View arg0) { 

// TODO Auto-generated method stub

//弹出Toast提示

//Toast.LENGTH_SHORT 2秒

//Toast.LENGTH_LONG 3.5秒

Toast.makeText(MainActivity.this , "按钮点击", Toast.LENGTH_SHORT).show();

}

};

button.setOnClickListener(listener);

}

}