MyApplication.java

package com.loveplusplus.demo.image;

import android.app.Application;

import com.lyk.weixin.image.R;
import com.nostra13.universalimageloader.core.DisplayImageOptions;
import com.nostra13.universalimageloader.core.ImageLoader;
import com.nostra13.universalimageloader.core.ImageLoaderConfiguration;

public class MyApplication extends Application {

	@Override
	public void onCreate() {
		super.onCreate();
		DisplayImageOptions defaultOptions = new DisplayImageOptions
				.Builder()
				.showImageForEmptyUri(R.drawable.empty_photo) 
				.showImageOnFail(R.drawable.empty_photo) 
				.cacheInMemory(true)
				.cacheOnDisc(true)
				.build();
		ImageLoaderConfiguration config = new ImageLoaderConfiguration
				.Builder(getApplicationContext())
				.defaultDisplayImageOptions(defaultOptions)
				.discCacheSize(50 * 1024 * 1024)//
				.discCacheFileCount(100)//缓存一百张图片
				.writeDebugLogs()
				.build();
		ImageLoader.getInstance().init(config);
	}
}