ImageButton是上面带有图片的Button,与Button只用类似
第一步:
首先找到两个图标,在res目录下创建一个名为drawable的文件夹,将图片放入其中
第二步:
编写main.xml文件,如下
<?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" ><ImageButton android:id="@+id/button1" android:layout_width="wrap_content" android:layout_height="wrap_content"/><ImageButton android:id="@+id/button2" android:layout_width="wrap_content" android:layout_height="wrap_content"/></LinearLayout>
第三步:
编写ButtonActivity.java文件
package org.loulijun.buttonTest;
import android.app.Activity;import android.os.Bundle;import android.view.View;import android.view.View.OnClickListener;import android.widget.Button;import android.widget.ImageButton;import android.widget.LinearLayout;
public class ButtonActivity extends Activity implements OnClickListener { /** Called when the activity is first created. */ ImageButton button1; ImageButton button2; @Override public void onCreate(Bundle savedInstanceState) { super.onCreate(savedInstanceState); setContentView(R.layout.main); button1=(ImageButton)findViewById(R.id.button1); button1.setImageResource(R.drawable.icon1); button1.setVisibility(View.VISIBLE); button2=(ImageButton)findViewById(R.id.button2); button2.setImageResource(R.drawable.icon2); button2.setVisibility(View.GONE); button1.setOnClickListener(this); button2.setOnClickListener(this); } @Override public void onClick(View v) { // TODO Auto-generated method stub switch(v.getId()) { case R.id.button1: button1.setVisibility(View.GONE);//隐藏ImageButton1 button2.setVisibility(View.VISIBLE);//显示ImageButton2 break; case R.id.button2: button1.setVisibility(View.VISIBLE); button2.setVisibility(View.GONE); break; default:break; } }}
第四步:
运行查看结果
当点击了按钮后,会变成另外一个按钮