Glide缓存

public class GlideCacheUtil {
    private static GlideCacheUtil inst;

    public static GlideCacheUtil getInstance() {
        if (inst == null) {
            inst = new GlideCacheUtil();
        }
        return inst;

}

/**
     * 清除图片磁盘缓存
     */
    public void clearImageDiskCache(final Context context) {
        try {
            if (Looper.myLooper() == Looper.getMainLooper()) {
                new Thread(new Runnable() {
                    @Override
                    public void run() {
                        Glide.get(context).clearDiskCache();
// BusUtil.getBus().post(new GlideCacheClearSuccessEvent());
                    }
                }).start();
            } else {
                Glide.get(context).clearDiskCache();
            }
        } catch (Exception e) {
            e.printStackTrace();
        }
    }

/**
 * 清除图片内存缓存
 */
public void clearImageMemoryCache(Context context) {
    try {
        if (Looper.myLooper() == Looper.getMainLooper()) { //只能在主线程执行
            Glide.get(context).clearMemory();
        }
    } catch (Exception e) {
        e.printStackTrace();
    }
}

/**
 * 清除图片所有缓存
 */
public void clearImageAllCache(Context context) {
    clearImageDiskCache(context);
    clearImageMemoryCache(context);
    String ImageExternalCatchDir=context.getExternalCacheDir()+ExternalCacheDiskCacheFactory.DEFAULT_DISK_CACHE_DIR;
    deleteFolderFile(ImageExternalCatchDir, true);
}

/**
 * 获取Glide造成的缓存大小
 *
 * @return CacheSize
 */
public String getCacheSize(Context context) {
    try {
        return getFormatSize(getFolderSize(new File(context.getCacheDir() + "/"+InternalCacheDiskCacheFactory.DEFAULT_DISK_CACHE_DIR)));
    } catch (Exception e) {
        e.printStackTrace();
    }
    return "";
}

/**
 * 获取指定文件夹内所有文件大小的和
 *
 * @param file file
 * @return size
 * @throws Exception
 */
private long getFolderSize(File file) throws Exception {
    long size = 0;
    try {
        File[] fileList = file.listFiles();
        for (File aFileList : fileList) {
            if (aFileList.isDirectory()) {
                size = size + getFolderSize(aFileList);
            } else {
                size = size + aFileList.length();
            }
        }
    } catch (Exception e) {
        e.printStackTrace();
    }
    return size;
}

/**
 * 删除指定目录下的文件，这里用于缓存的删除
 *
 * @param filePath filePath
 * @param deleteThisPath deleteThisPath
 */
private void deleteFolderFile(String filePath, boolean deleteThisPath) {
    if (!TextUtils.isEmpty(filePath)) {
        try {
            File file = new File(filePath);
            if (file.isDirectory()) {
                File files[] = file.listFiles();
                for (File file1 : files) {
                    deleteFolderFile(file1.getAbsolutePath(), true);
                }
            }
            if (deleteThisPath) {
                if (!file.isDirectory()) {
                    file.delete();
                } else {
                    if (file.listFiles().length == 0) {
                        file.delete();
                    }
                }
            }
        } catch (Exception e) {
            e.printStackTrace();
        }
    }
}

/**
 * 格式化单位
 *
 * @param size size
 * @return size
 */
private static String getFormatSize(double size) {

    double kiloByte = size / 1024;
    if (kiloByte < 1) {
        return size + "Byte";
    }

    double megaByte = kiloByte / 1024;
    if (megaByte < 1) {
        BigDecimal result1 = new BigDecimal(Double.toString(kiloByte));
        return result1.setScale(2, BigDecimal.ROUND_HALF_UP).toPlainString() + "KB";
    }

    double gigaByte = megaByte / 1024;
    if (gigaByte < 1) {
        BigDecimal result2 = new BigDecimal(Double.toString(megaByte));
        return result2.setScale(2, BigDecimal.ROUND_HALF_UP).toPlainString() + "MB";
    }

    double teraBytes = gigaByte / 1024;
    if (teraBytes < 1) {
        BigDecimal result3 = new BigDecimal(Double.toString(gigaByte));
        return result3.setScale(2, BigDecimal.ROUND_HALF_UP).toPlainString() + "GB";
    }
    BigDecimal result4 = new BigDecimal(teraBytes);

    return result4.setScale(2, BigDecimal.ROUND_HALF_UP).toPlainString() + "TB";
}

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tv_cache.setText(GlideCacheUtil.getInstance().getCacheSize(MainActivity.this));
GlideCacheUtil.getInstance().clearImageAllCache(MainActivity.this);