安卓点击事件button 

java端代码

 1 package com.example.test;
 2 
 3 import android.os.Bundle;
 4 import android.app.Activity;
 5 import android.view.Menu;
 6 import android.view.View;
 7 import android.widget.Button;
 8 import android.widget.Toast;
 9 
10 public class MainActivity extends Activity {
11 
12     @Override
13     protected void onCreate(Bundle savedInstanceState) {
14         super.onCreate(savedInstanceState);
15         setContentView(R.layout.activity_main);
16         //获得buttonID
17         Button button = (Button)findViewById(R.id.myBytton);
18         //监听Button
19         button.setOnClickListener(new Button.OnClickListener()
20         {
21             @Override
22             public void onClick(View v) {
23                 //实现显示消息
24                 DisplayToast("事件触发了");
25             }
26         });
27     }
28     @Override
29     public boolean onCreateOptionsMenu(Menu menu) {
30         // Inflate the menu; this adds items to the action bar if it is present.
31         getMenuInflater().inflate(R.menu.main, menu);
32         return true;
33     }
34     
35     private void DisplayToast(String string) {
36         // TODO Auto-generated method stub
37         Toast.makeText(this, string, Toast.LENGTH_LONG).show();
38     }
39 }
 layout代码

 1 <RelativeLayout xmlns:android="http://schemas.android.com/apk/res/android"
 2     xmlns:tools="http://schemas.android.com/tools"
 3     android:layout_width="match_parent"
 4     android:layout_height="match_parent"
 5     android:paddingBottom="@dimen/activity_vertical_margin"
 6     android:paddingLeft="@dimen/activity_horizontal_margin"
 7     android:paddingRight="@dimen/activity_horizontal_margin"
 8     android:paddingTop="@dimen/activity_vertical_margin"
 9     tools:context=".MainActivity" >
10 
11     <Button 
12         android:id="@+id/myBytton"
13         android:layout_width="fill_parent"
14         android:layout_height="wrap_content" 
15         android:text="点我" />
16 </RelativeLayout>

以上的代码实现的是点击Button事件. 源码下载

posted @ 2013-04-01 10:17  白糖365  阅读(349)  评论(0)  编辑  收藏  举报