ImageViewActivity.java
package src.com;
import android.app.Activity;
import android.os.Bundle;
import android.view.View;
import android.widget.Button;
import android.widget.ImageView;
public class ImageViewActivity extends Activity {
/* 声明 Button、ImageView对象 */
private ImageView mImageView01;
private ImageView mImageView02;
private Button mButton01;
private Button mButton02;
/** Called when the activity is first created. */
@Override
public void onCreate(Bundle savedInstanceState) {
super.onCreate(savedInstanceState);
setContentView(R.layout.main);
/* 取得 Button、ImageView对象 */
mImageView01 = (ImageView) findViewById(R.id.myImageView1);
mImageView02 = (ImageView) findViewById(R.id.myImageView2);
mButton01 = (Button) findViewById(R.id.myButton1);
mButton02 = (Button) findViewById(R.id.myButton2);
/* 设置ImageView背景图 */
mImageView01.setImageDrawable(getResources().getDrawable(R.drawable.right));
mImageView02.setImageDrawable(getResources().getDrawable(R.drawable.oa));
/* 用OnClickListener事件来启动 */
mButton01.setOnClickListener(new Button.OnClickListener(){
@Override
public void onClick(View v) {
/* 当启动后，ImageView立刻换背景图 */
mImageView01.setImageDrawable(getResources().getDrawable(R.drawable.right));
}
});
mButton02.setOnClickListener(new Button.OnClickListener(){
@Override
public void onClick(View v) {
/* 当启动后，ImageView立刻换背景图 */
mImageView01.setImageDrawable(getResources().getDrawable(R.drawable.left));
}
});
}
}
main.xml
<?xml version="1.0" encoding="utf-8"?>
<AbsoluteLayout xmlns:andro
<!-- 建立第一个ImageView -->
<ImageView
android: />
</AbsoluteLayout>