public void clearDiskCache() {
        if (null != mFileCache) {
            try {
                mFileCache.getDiskCache().clear();
            } catch (IOException e) {
                if (DEBUG) {
                    e.printStackTrace();
                }
            }
        }
    }
public void clearDiskCache() {
        if (null != mFileCache) {
            try {
                mFileCache.getDiskCache().clear();
            } catch (IOException e) {
                if (DEBUG) {
                    e.printStackTrace();
                }
            }
        }
    }
public void clearDiskCache ( ) { if ( null != mFileCache ) { try { mFileCache . getDiskCache ( ) . clear ( ) ; } catch ( IOException e ) { if ( DEBUG ) { e . printStackTrace ( ) ; } } } }
clear the disk cache
clear the disk cache