Java StorageUtils.getCacheDirectory方法代码示例

import com.nostra13.universalimageloader.utils.StorageUtils; //导入方法依赖的package包/类
/**
 * Creates default implementation of {@link DiskCache} depends on incoming parameters
 */
public static DiskCache createDiskCache(Context context, FileNameGenerator diskCacheFileNameGenerator,
		long diskCacheSize, int diskCacheFileCount) {
	File reserveCacheDir = createReserveDiskCacheDir(context);
	if (diskCacheSize > 0 || diskCacheFileCount > 0) {
		File individualCacheDir = StorageUtils.getIndividualCacheDirectory(context);
		try {
			return new LruDiskCache(individualCacheDir, reserveCacheDir, diskCacheFileNameGenerator, diskCacheSize,
					diskCacheFileCount);
		} catch (IOException e) {
			L.e(e);
			// continue and create unlimited cache
		}
	}
	File cacheDir = StorageUtils.getCacheDirectory(context);
	return new UnlimitedDiskCache(cacheDir, reserveCacheDir, diskCacheFileNameGenerator);
}
 

import com.nostra13.universalimageloader.utils.StorageUtils; //导入方法依赖的package包/类
public void initImageLoader() {
        File cacheDir = StorageUtils.getCacheDirectory(this);
        ImageLoaderConfiguration config = new ImageLoaderConfiguration.Builder(this)
                .memoryCacheExtraOptions(480, 800) // default = device screen dimensions
                .diskCacheExtraOptions(480, 800, null)
                .denyCacheImageMultipleSizesInMemory()
                .memoryCache(new LruMemoryCache(2 * 1024 * 1024))
                .memoryCacheSize(2 * 1024 * 1024)
                .memoryCacheSizePercentage(13) // default
                .diskCache(new UnlimitedDiskCache(cacheDir)) // default
                .diskCacheSize(50 * 1024 * 1024)
                .diskCacheFileCount(100)
//                .writeDebugLogs()
                .build();

        ImageLoader.getInstance().init(config);
    }
 

import com.nostra13.universalimageloader.utils.StorageUtils; //导入方法依赖的package包/类
/**
 * 初始化图片载入框架
 */
private void initImageLoader() {
    File cacheDir = StorageUtils.getCacheDirectory(this);
    int MAXMEMONRY = (int) (Runtime.getRuntime().maxMemory());
    // System.out.println("dsa-->"+MAXMEMONRY+"   "+(MAXMEMONRY/5));//.memoryCache(new
    // LruMemoryCache(50 * 1024 * 1024))
    DisplayImageOptions defaultOptions = new DisplayImageOptions.Builder()
            .cacheInMemory(true)
            .cacheOnDisk(true)
            .build();
    ImageLoaderConfiguration config = new ImageLoaderConfiguration.Builder(
            this).memoryCacheExtraOptions(480, 800).defaultDisplayImageOptions(defaultOptions)
            .diskCacheExtraOptions(480, 800, null).threadPoolSize(3)
            .threadPriority(Thread.NORM_PRIORITY - 2)
            .tasksProcessingOrder(QueueProcessingType.FIFO)
            .denyCacheImageMultipleSizesInMemory()
            .memoryCache(new LruMemoryCache(MAXMEMONRY / 5))
            .diskCache(new UnlimitedDiskCache(cacheDir))
            .diskCacheFileNameGenerator(new HashCodeFileNameGenerator()) // default
            .imageDownloader(new BaseImageDownloader(this)) // default
            .imageDecoder(new BaseImageDecoder(false)) // default
            .defaultDisplayImageOptions(DisplayImageOptions.createSimple()).build();

    ImageLoader.getInstance().init(config);
}
 

import com.nostra13.universalimageloader.utils.StorageUtils; //导入方法依赖的package包/类
/**
     * 初始化ImageLoader
     *
     * @param context 上下文对象
     */
    private void initImageLoader(Context context) {
        File cacheDir = StorageUtils.getCacheDirectory(context);
        ImageLoaderConfiguration config = new ImageLoaderConfiguration.Builder(context)
                .memoryCacheExtraOptions(480, 800) // default = device screen dimensions
                .diskCacheExtraOptions(480, 800, null)
//                .taskExecutor(...)
//        .taskExecutorForCachedImages(...)
                .threadPoolSize(3) // default
                .threadPriority(Thread.NORM_PRIORITY - 2) // default
                .tasksProcessingOrder(QueueProcessingType.FIFO) // default
                .denyCacheImageMultipleSizesInMemory()
                .memoryCache(new LruMemoryCache(2 * 1024 * 1024))
                .memoryCacheSize(2 * 1024 * 1024)
                .memoryCacheSizePercentage(13) // default
                .diskCache(new UnlimitedDiskCache(cacheDir)) // default
                .diskCacheSize(50 * 1024 * 1024)
                .diskCacheFileCount(100)
                .diskCacheFileNameGenerator(new HashCodeFileNameGenerator()) // default
                .imageDownloader(new BaseImageDownloader(context)) // default
//                .imageDecoder(new BaseImageDecoder()) // default
                .defaultDisplayImageOptions(DisplayImageOptions.createSimple()) // default
                .writeDebugLogs()
                .build();
        ImageLoader.getInstance().init(config);
    }
 

import com.nostra13.universalimageloader.utils.StorageUtils; //导入方法依赖的package包/类
@Override
public void onCreate() {
    super.onCreate();

    File cacheDir = StorageUtils.getCacheDirectory(this);
    ImageLoaderConfiguration configuration = new ImageLoaderConfiguration.Builder(this)
            .threadPriority(Thread.NORM_PRIORITY - 2)
            .denyCacheImageMultipleSizesInMemory()
            .diskCache(new UnlimitedDiscCache(cacheDir))
            .diskCacheSize(50 * 1024 * 1024)
            .diskCacheFileCount(100)
            .diskCacheFileNameGenerator(new Md5FileNameGenerator())
            .memoryCache(new LruMemoryCache(2 * 1024 * 1024))
            .memoryCacheSize(2 * 1024 * 1024)
            .memoryCacheSizePercentage(13)
            .tasksProcessingOrder(QueueProcessingType.LIFO)
            .build();
    ImageLoader.getInstance().init(configuration);
}
 

import com.nostra13.universalimageloader.utils.StorageUtils; //导入方法依赖的package包/类
/**
 * 默认图片 本地路径缓存
 * Creates default implementation of {@link DiskCache} depends on incoming parameters
 */
public static DiskCache createDiskCache(Context context, FileNameGenerator diskCacheFileNameGenerator,
		long diskCacheSize, int diskCacheFileCount) {
	//创建备用缓存文件
	File reserveCacheDir = createReserveDiskCacheDir(context);
	if (diskCacheSize > 0 || diskCacheFileCount > 0) {
		File individualCacheDir = StorageUtils.getIndividualCacheDirectory(context);
		try {
			//创建本地文件系统缓存器
			return new LruDiskCache(individualCacheDir, reserveCacheDir, diskCacheFileNameGenerator, diskCacheSize,
					diskCacheFileCount);
		} catch (IOException e) {
			L.e(e);
			// continue and create unlimited cache
		}
	}
	//创建无限制的文件缓存器
	File cacheDir = StorageUtils.getCacheDirectory(context);
	return new UnlimitedDiskCache(cacheDir, reserveCacheDir, diskCacheFileNameGenerator);
}
 

import com.nostra13.universalimageloader.utils.StorageUtils; //导入方法依赖的package包/类
/**
 * Android-Universal-Image-Loader config.
 *
 * DON'T COPY THIS CODE TO YOUR REAL PROJECT!     *
 * I would recommend doing it in an overloaded Application.onCreate().
 * It is just for test purpose
 *
 *
 */
private void initUniversalImageLoaderLibrary(){

    File cacheDir = StorageUtils.getCacheDirectory(getActivity());
    ImageLoaderConfiguration config = new ImageLoaderConfiguration.Builder(getActivity())
            .memoryCache(new LruMemoryCache(2 * 1024 * 1024))
            .defaultDisplayImageOptions(DisplayImageOptions.createSimple())
            .writeDebugLogs()
            .build();

    ImageLoader.getInstance().init(config);

    options = new DisplayImageOptions.Builder()
            .cacheInMemory(true)
            .displayer(new SimpleBitmapDisplayer())
            .showImageOnFail(R.drawable.ic_error_loadingsmall)
            .build();
}
 

import com.nostra13.universalimageloader.utils.StorageUtils; //导入方法依赖的package包/类
private void initImageLoader(){
        Context context = getApplicationContext();
        File cacheDir = StorageUtils.getCacheDirectory(context);
        ImageLoaderConfiguration config = new ImageLoaderConfiguration.Builder(context)
                .memoryCacheExtraOptions(480, 800) // default = device screen dimensions
                .diskCacheExtraOptions(480, 800, null)
                .threadPriority(Thread.NORM_PRIORITY - 2) // default
                .tasksProcessingOrder(QueueProcessingType.FIFO) // default
                .denyCacheImageMultipleSizesInMemory()
                .memoryCache(new LruMemoryCache(2 * 1024 * 1024))
                .memoryCacheSize(2 * 1024 * 1024)
                .memoryCacheSizePercentage(13) // default
                .diskCache(new UnlimitedDiscCache(cacheDir)) // default
                .diskCacheSize(50 * 1024 * 1024)
                .diskCacheFileCount(100)
                .diskCacheFileNameGenerator(new HashCodeFileNameGenerator()) // default
                .imageDownloader(new BaseImageDownloader(context)) // default
                .imageDecoder(new BaseImageDecoder(false)) // default
                .defaultDisplayImageOptions(DisplayImageOptions.createSimple()) // default
//                .writeDebugLogs()
                .build();

        ImageLoader.getInstance().init(config);
    }
 

import com.nostra13.universalimageloader.utils.StorageUtils; //导入方法依赖的package包/类
public static void initImageLoader(Context context) {
    File cacheDir = StorageUtils.getCacheDirectory(context);
    ImageLoaderConfiguration config = new ImageLoaderConfiguration.Builder(context)
            .memoryCacheExtraOptions(480, 800) // default = device screen dimensions
            .denyCacheImageMultipleSizesInMemory()
            .discCacheExtraOptions(480, 800, Bitmap.CompressFormat.JPEG, 75, null)
            .threadPriority(Thread.NORM_PRIORITY - 2) // default
            .tasksProcessingOrder(QueueProcessingType.FIFO) // default
            .denyCacheImageMultipleSizesInMemory()
            .memoryCache(new LruMemoryCache(2 * 1024 * 1024))
            .memoryCacheSize(2 * 1024 * 1024)
            .memoryCacheSizePercentage(13) // default
            .discCache(new UnlimitedDiscCache(cacheDir)) // default
            .discCacheSize(50 * 1024 * 1024)
            .discCacheFileCount(100)
            .discCacheFileNameGenerator(new HashCodeFileNameGenerator()) // default
            .imageDownloader(new BaseImageDownloader(context)) // default
            .imageDecoder(new BaseImageDecoder(true)) // default
            .defaultDisplayImageOptions(DisplayImageOptions.createSimple()) // default
            .writeDebugLogs()
            .build();

    ImageLoader.getInstance().init(config);
}
 

import com.nostra13.universalimageloader.utils.StorageUtils; //导入方法依赖的package包/类
/**
     * Get default ImageLoaderConfiguration.Builder,and you can easily change the builder.
     * @param context
     * @return
     */
    public static ImageLoaderConfiguration.Builder getDefaultImageLoaderConfigurationBuilder(Context context) {
        File cacheDir = StorageUtils.getCacheDirectory(context);
        ImageLoaderConfiguration.Builder builder = new ImageLoaderConfiguration.Builder(context)
//                .memoryCacheExtraOptions(480, 800) // default = device screen dimensions
//                .discCacheExtraOptions(480, 800, Bitmap.CompressFormat.JPEG, 75, null)
                .threadPoolSize(3) // default
                .threadPriority(Thread.NORM_PRIORITY - 1) // default
                .tasksProcessingOrder(QueueProcessingType.FIFO) // default
                .denyCacheImageMultipleSizesInMemory()
//                .memoryCache(new LruMemoryCache(2 * 1024 * 1024))
//                .memoryCacheSize(2 * 1024 * 1024)
                .memoryCacheSizePercentage(13) // default
                .diskCache(new UnlimitedDiskCache(cacheDir)) // default
//                .discCacheSize(50 * 1024 * 1024)
                .diskCacheFileCount(1000)
                .diskCacheFileNameGenerator(new HashCodeFileNameGenerator()) // default
                .imageDownloader(new BaseImageDownloader(context)) // default
                .imageDecoder(new BaseImageDecoder(false)) // default
                        //   .defaultDisplayImageOptions(DisplayImageOptions.createSimple()) // default
                .defaultDisplayImageOptions(getDefaultImageOptions());
        return builder;
    }
 

import com.nostra13.universalimageloader.utils.StorageUtils; //导入方法依赖的package包/类
/**
 * Creates default implementation of {@link DiskCache} depends on incoming parameters
 */
public static DiskCache createDiskCache(Context context, FileNameGenerator diskCacheFileNameGenerator,
		long diskCacheSize, int diskCacheFileCount) {
	File reserveCacheDir = createReserveDiskCacheDir(context);
	if (diskCacheSize > 0 || diskCacheFileCount > 0) {
		File individualCacheDir = StorageUtils.getIndividualCacheDirectory(context);
		try {
			return new LruDiscCache(individualCacheDir, reserveCacheDir, diskCacheFileNameGenerator, diskCacheSize,
					diskCacheFileCount);
		} catch (IOException e) {
			L.e(e);
			// continue and create unlimited cache
		}
	}
	File cacheDir = StorageUtils.getCacheDirectory(context);
	return new UnlimitedDiscCache(cacheDir, reserveCacheDir, diskCacheFileNameGenerator);
}
 

import com.nostra13.universalimageloader.utils.StorageUtils; //导入方法依赖的package包/类
/** Creates reserve disk cache folder which will be used if primary disk cache folder becomes unavailable */
private static File createReserveDiskCacheDir(Context context) {
	File cacheDir = StorageUtils.getCacheDirectory(context, false);
	File individualDir = new File(cacheDir, "uil-images");
	if (individualDir.exists() || individualDir.mkdir()) {
		cacheDir = individualDir;
	}
	return cacheDir;
}
 

import com.nostra13.universalimageloader.utils.StorageUtils; //导入方法依赖的package包/类
/**
 * This location is only for caching, do not install directly from this location
 * because if the file is on the External Storage, any other app could swap out
 * the APK while the install was in process, allowing malware to install things.
 * Using {@link Installer#installPackage(Uri, Uri)}
 * is fine since that does the right thing.
 */
public static File getApkCacheDir(Context context) {
    File apkCacheDir = new File(StorageUtils.getCacheDirectory(context, true), CACHE_DIR);
    if (apkCacheDir.isFile()) {
        apkCacheDir.delete();
    }
    if (!apkCacheDir.exists()) {
        apkCacheDir.mkdir();
    }
    return apkCacheDir;
}
 

import com.nostra13.universalimageloader.utils.StorageUtils; //导入方法依赖的package包/类
public static DiskCache createDiskCache(Context context, FileNameGenerator diskCacheFileNameGenerator, long diskCacheSize, int diskCacheFileCount) {
    File reserveCacheDir = createReserveDiskCacheDir(context);
    if (diskCacheSize > 0 || diskCacheFileCount > 0) {
        try {
            return new LruDiscCache(StorageUtils.getIndividualCacheDirectory(context), reserveCacheDir, diskCacheFileNameGenerator, diskCacheSize, diskCacheFileCount);
        } catch (IOException e) {
            L.e(e);
        }
    }
    return new UnlimitedDiscCache(StorageUtils.getCacheDirectory(context), reserveCacheDir, diskCacheFileNameGenerator);
}
 

import com.nostra13.universalimageloader.utils.StorageUtils; //导入方法依赖的package包/类
private static File createReserveDiskCacheDir(Context context) {
    File cacheDir = StorageUtils.getCacheDirectory(context, false);
    File individualDir = new File(cacheDir, "uil-images");
    if (individualDir.exists() || individualDir.mkdir()) {
        return individualDir;
    }
    return cacheDir;
}