(Android rapid development framework afinal features: easy to use, no configuration, configurable. There is no error in fast sliding when loading pictures in containers such as listview and GridView. It supports thread pool concurrency configuration, memory cache size configuration, disk size cache configuration and cache location configuration. It supports disk cache to use both compression and non compression configuration. Compression is for an ImageView, and non compression supports multiple imageviews to decode an image. It supports the picture configuration when loading, the picture configuration when loading fails, the downloader configuration, which is convenient to read pictures of different protocols (built-in HTTP Downloader, users can expand to FTP and other protocols), the display configuration, and the display is to play animation, so as to achieve a more gorgeous effect.)