MovieAsyncDecoder.java 文件源码

@Override
protected Movie doInBackground(Context... params) {
    Context context = null;

    if (params != null && params.length > 0) {
        context = params[0];
    }

    if (mMovieKey == null || mDecodeSource == null) {
        return null;
    }

    Movie cachedMovie = MovieCacheManager.queryCachedMovie(mMovieKey);
    if (cachedMovie != null) {
        Logger.debug("SKIP DECODE EXIST MOVIE: thumbKey = %s",
                mMovieKey);
        return null;
    }

    return doDecodeMovie(context, mMovieKey, mDecodeSource);
}