Button的點(diǎn)擊事件

Android1.5測(cè)試通過

修改main.xml 布局，添加一個(gè)TextView 和一個(gè)Button

<?xml version="1.0" encoding="utf-8"?>
<LinearLayout xmlns:android="http://schemas.android.com/apk/res/android"
android:orientation="vertical"
android:layout_width="fill_parent"
android:layout_height="fill_parent"
>
<TextView
android:id="@+id/show_TextView"
android:layout_width="fill_parent"
android:layout_height="wrap_content"
android:text="@string/hello"
/>
<Button
android:id="@+id/Click_Button"
android:layout_width="wrap_content"
android:layout_height="wrap_content"
android:text="點(diǎn)擊"
/>
</LinearLayout>

修改strings.xml:

<?xml version="1.0" encoding="UTF-8"?>
<resources>
??? <string name="app_name">ButtonApp</string>
??? <string name="hello">Hello World!</string>
</resources>

?

java代碼:

/*
* To change this template, choose Tools | Templates
* and open the template in the editor.
*/
package org.me.buttonapp;

import android.app.Activity;
import android.os.Bundle;
import android.view.View;
import android.widget.Button;
import android.widget.TextView;

/**
*
* @author LiaoKeCheng<http://hi.baidu.com/wishwingliao>
*/
public class ButtonMainActivity extends Activity
{

??? private TextView show;
??? private Button press;
??? /** Called when the activity is first created. */
??? @Override
??? public void onCreate( Bundle icicle )
??? {
??????? super.onCreate( icicle );
??????? // ToDo add your GUI initialization code here
??????? //獲取TextView 和Button 資源
??????? this.setContentView( R.layout.main );
??????? this.show = ( TextView ) findViewById( R.id.show_TextView );
??????? this.press = ( Button ) findViewById( R.id.Click_Button );

??????? //給Button 添加事件監(jiān)聽器Button.OnClickListener()
??????? press.setOnClickListener( new Button.OnClickListener()
??????? {

??????????? @Override
??????????? public void onClick( View v )
??????????? {
??????????????? // TODO Auto-generated method stub
??????????? }
??????? } );

?

??????? //處理事件
??????? press.setOnClickListener( new Button.OnClickListener()
??????? {

??????????? @Override
??????????? public void onClick( View v )
??????????? {
??????????????? show.setText( "Hi , Google Android!" );
??????????? }
??????? } );
??? }
}

轉(zhuǎn)載于:https://www.cnblogs.com/lishoubin/archive/2011/03/17/3211318.html

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