How to use

initCache

method

in

com.nostra13.universalimageloader.cache.disc.impl.ext.LruDiskCache

initCache(cacheDir, reserveCacheDir, cacheMaxSize, cacheMaxFileCount);

private void initCache(File cacheDir, File reserveCacheDir, long cacheMaxSize, int cacheMaxFileCount)
    throws IOException {
  try {
    cache = DiskLruCache.open(cacheDir, 1, 1, cacheMaxSize, cacheMaxFileCount);
  } catch (IOException e) {
    L.e(e);
    if (reserveCacheDir != null) {
      initCache(reserveCacheDir, null, cacheMaxSize, cacheMaxFileCount);
    }
    if (cache == null) {
      throw e; //new RuntimeException("Can't initialize disk cache", e);
    }
  }
}

@Override
public void clear() {
  try {
    cache.delete();
  } catch (IOException e) {
    L.e(e);
  }
  try {
    initCache(cache.getDirectory(), reserveCacheDir, cache.getMaxSize(), cache.getMaxFileCount());
  } catch (IOException e) {
    L.e(e);
  }
}

initCache(cacheDir, reserveCacheDir, cacheMaxSize, cacheMaxFileCount);

initCache(cacheDir, reserveCacheDir, cacheMaxSize, cacheMaxFileCount);

this.fileNameGenerator = fileNameGenerator;
initCache(cacheDir, reserveCacheDir, cacheMaxSize, cacheMaxFileCount);

private void initCache(File cacheDir, File reserveCacheDir, long cacheMaxSize, int cacheMaxFileCount)
    throws IOException {
  try {
    cache = DiskLruCache.open(cacheDir, 1, 1, cacheMaxSize, cacheMaxFileCount);
  } catch (IOException e) {
    L.e(e);
    if (reserveCacheDir != null) {
      initCache(reserveCacheDir, null, cacheMaxSize, cacheMaxFileCount);
    }
    if (cache == null) {
      throw e; //new RuntimeException("Can't initialize disk cache", e);
    }
  }
}

private void initCache(File cacheDir, File reserveCacheDir, long cacheMaxSize, int cacheMaxFileCount)
    throws IOException {
  try {
    cache = DiskLruCache.open(cacheDir, 1, 1, cacheMaxSize, cacheMaxFileCount);
  } catch (IOException e) {
    L.e(e);
    if (reserveCacheDir != null) {
      initCache(reserveCacheDir, null, cacheMaxSize, cacheMaxFileCount);
    }
    if (cache == null) {
      throw e; //new RuntimeException("Can't initialize disk cache", e);
    }
  }
}

/**
 * 初始化本地文件 图片缓存器
 * @param cacheDir          图片缓存路径
 * @param reserveCacheDir     备用图片缓存路径
 * @param cacheMaxSize        最大缓存大小
 * @param cacheMaxFileCount    最大缓存图片数量
 * @throws IOException
 */
private void initCache(File cacheDir, File reserveCacheDir, long cacheMaxSize, int cacheMaxFileCount)
    throws IOException {
  try {
    cache = DiskLruCache.open(cacheDir, 1, 1, cacheMaxSize, cacheMaxFileCount);
  } catch (IOException e) {
    L.e(e);
    if (reserveCacheDir != null) {
      initCache(reserveCacheDir, null, cacheMaxSize, cacheMaxFileCount);
    }
    if (cache == null) {
      throw e; //new RuntimeException("Can't initialize disk cache", e);
    }
  }
}

@Override
public void clear() {
  try {
    cache.delete();
  } catch (IOException e) {
    L.e(e);
  }
  try {
    initCache(cache.getDirectory(), reserveCacheDir, cache.getMaxSize(), cache.getMaxFileCount());
  } catch (IOException e) {
    L.e(e);
  }
}

@Override
public void clear() {
  try {
    cache.delete();
  } catch (IOException e) {
    L.e(e);
  }
  try {
    initCache(cache.getDirectory(), reserveCacheDir, cache.getMaxSize(), cache.getMaxFileCount());
  } catch (IOException e) {
    L.e(e);
  }
}

/**
 * 进行清除缓存数据
 */
@Override
public void clear() {
  try {
    cache.delete();
  } catch (IOException e) {
    L.e(e);
  }
  try {
    //这边重新初始化缓存器   缓存器中文件为空
    initCache(cache.getDirectory(), reserveCacheDir, cache.getMaxSize(), cache.getMaxFileCount());
  } catch (IOException e) {
    L.e(e);
  }
}