Application

 package com.example.zhangjinling0907;

import android.app.Application;
import android.content.Context;
import android.content.res.Configuration;
import android.os.Environment;


import com.nostra13.universalimageloader.cache.disc.impl.UnlimitedDiscCache;
import com.nostra13.universalimageloader.cache.disc.naming.Md5FileNameGenerator;
import com.nostra13.universalimageloader.core.ImageLoader;
import com.nostra13.universalimageloader.core.ImageLoaderConfiguration;
import com.nostra13.universalimageloader.core.assist.QueueProcessingType;

import java.io.File;

import static android.R.attr.path;




public class MyApplic extends Application{

    @Override
    public void onCreate() {
        super.onCreate();
       
        File files = new File("/sdcard/Rimg");
        initImageLoader(getApplicationContext(),files);

    }
    public static void initImageLoader(Context context,File file) {
        // This configuration tuning is custom. You can tune every option, you may tune some of them,
        // or you can create default configuration by
        //  ImageLoaderConfiguration.createDefault(this);
        // method.
        ImageLoaderConfiguration.Builder config = new ImageLoaderConfiguration.Builder(context);
        config.threadPriority(Thread.NORM_PRIORITY - 2);
        config.denyCacheImageMultipleSizesInMemory();
        config.diskCacheFileNameGenerator(new Md5FileNameGenerator());
        config.diskCacheSize(50 * 1024 * 1024); // 50 MiB
        config.tasksProcessingOrder(QueueProcessingType.LIFO);
        config.writeDebugLogs(); // Remove for release app
        config .diskCache(new UnlimitedDiscCache(file));//UnlimitedDiskCache
        config .diskCacheFileCount(50);//
        // Initialize ImageLoader with configuration.
        ImageLoader.getInstance().init(config.build());
    }







    @Override
    public void onConfigurationChanged(Configuration newConfig) {
        super.onConfigurationChanged(newConfig);
    }

    @Override
    public void onLowMemory() {
        super.onLowMemory();
    }
}