imageloader緩存機制

import android.content.Context;

import com.nostra13.universalimageloader.cache.disc.naming.Md5FileNameGenerator;
import com.nostra13.universalimageloader.cache.memory.impl.WeakMemoryCache;
import com.nostra13.universalimageloader.core.DisplayImageOptions;
import com.nostra13.universalimageloader.core.ImageLoader;
import com.nostra13.universalimageloader.core.ImageLoaderConfiguration;
import com.nostra13.universalimageloader.core.assist.ImageScaleType;
import com.nostra13.universalimageloader.core.assist.QueueProcessingType;

public class ImageLoaderPicture {
private DisplayImageOptions options;

public ImageLoaderPicture(Context context) {

    ImageLoaderConfiguration config = new ImageLoaderConfiguration.Builder(context).threadPriority(Thread.NORM_PRIORITY -2)
            .denyCacheImageMultipleSizesInMemory()
            .discCacheFileNameGenerator(new Md5FileNameGenerator())
            .tasksProcessingOrder(QueueProcessingType.LIFO)
            .memoryCache(new WeakMemoryCache())
            .build();
    ImageLoader.getInstance().init(config);

    options = new DisplayImageOptions.Builder()
            .showStubImage(0)
            .showImageForEmptyUri(0)
            .showImageOnFail(0)
            .cacheInMemory().cacheOnDisc()
            .imageScaleType(ImageScaleType.IN_SAMPLE_INT)
            .bitmapConfig(android.graphics.Bitmap.Config.RGB_565)
            .build();
}
public DisplayImageOptions getOptions() {
    return options;
}
public void setOptions(DisplayImageOptions options) {
    this.options = options;
}

}

new ImageLoaderPicture(getActivity()).getOptions(), new SimpleImageLoadingListener());

public class MyAppliction extends Application {
@Override
public void onCreate() {
super.onCreate();
ImageLoaderConfiguration build = new ImageLoaderConfiguration.Builder(getApplicationContext()).threadPriority(Thread.NORM_PRIORITY - 2)
.denyCacheImageMultipleSizesInMemory()
.discCacheFileNameGenerator(new Md5FileNameGenerator())
.tasksProcessingOrder(QueueProcessingType.LIFO)
.memoryCache(new WeakMemoryCache())
.build();
ImageLoader.getInstance().init(build);
}
}
public class Ot {
public static DisplayImageOptions ImagePic(Context context){
DisplayImageOptions image = new DisplayImageOptions.Builder()
.showStubImage(0)
.showImageForEmptyUri(0)
.showImageOnFail(0)
.cacheInMemory().cacheOnDisc()
.imageScaleType(ImageScaleType.IN_SAMPLE_INT)
.bitmapConfig(Bitmap.Config.RGB_565)
.build();
return image;
}
}