/** * Flushes the disk cache associated with this ImageCache object. Note that this includes disk * access so this should not be executed on the main/UI thread. */ public void flush() { synchronized (mDiskCacheLock) { if (mDiskLruCache != null) { try { mDiskLruCache.flush(); } catch (Throwable e) { LogUtils.e(e.getMessage(), e); } } } }