package com.example.ipcplayer.thread;
import com.example.ipcplayer.R;
import android.app.Activity;
import android.graphics.drawable.Drawable;
import android.os.Bundle;
import android.widget.ImageView;
public class Main4Activity extends Activity {
@Override
public void onCreate(Bundle savedInstanceState) {
super.onCreate(savedInstanceState);
setContentView(R.layout.main1);
loadImage4("http://www.baidu.com/img/baidu_logo.gif", R.id.imageview1);
loadImage4("http://www.chinatelecom.com.cn/images/logo_new.gif",
R.id.imageview2);
loadImage4("http://cache.soso.com/30d/img/web/logo.gif",
R.id.imageview3);
loadImage4("http://csdnimg.cn/www/images/csdnindex_logo.gif",
R.id.imageview4);
loadImage4("http://images.cnblogs.com/logo_small.gif",
R.id.imageview5);
}
private AsyncImageLoader3 asyncImageLoader3 = new AsyncImageLoader3();
// 引入线程池,并引入内存缓存功能,并对外部调用封装了接口,简化调用过程
private void loadImage4(final String url, final int id) {
// 如果缓存过就会从缓存中取出图像,ImageCallback接口中方法也不会被执行
Drawable cacheImage = asyncImageLoader3.loadDrawable(url,
new AsyncImageLoader3.ImageCallback() {
// 请参见实现:如果第一次加载url时下面方法会执行
public void imageLoaded(Drawable imageDrawable) {
((ImageView) findViewById(id))
.setImageDrawable(imageDrawable);
}
});
if (cacheImage != null) {
((ImageView) findViewById(id)).setImageDrawable(cacheImage);
}
}
}