应用源码之imageView1.zip

package com.test; 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; 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() { 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) { mImageView01.setImageDrawable(getResources().getDrawable( R.drawable.left)); } }); } }