public static void closeQuietly(Closeable closeable) {
        if (closeable != null) {
            try {
                closeable.close();
            } catch (RuntimeException rethrown) {
                throw rethrown;
            } catch (Exception ignored) {
            }
        }
    }
Closes 'closeable', ignoring any checked exceptions. Does nothing if 'closeable' is null.
app/src/main/java/com/duan/musicoco/cache/DiskLruCache.java