基于opencv，可以显示图片，并进行相应的处理，亦可以播放AVI格式的视频文件，并实现快进快退，拖动等功能-Based on opencv, can display pictures, and the corresponding treatment can also play AVI format video files, and to achieve fast-forward, rewind, drag and other functions

这是一个颜色选择器，除了可以指定十六进制外，还可以拖动滑竿进行调整颜色-This is a color picker, which can be specified in hexadecimal, you can also drag the slider to adjust color

实现播放视频的一个android视频播放器，主要能进行快进、快退，任意拖动进度，调节音量大小等等。-Play video android video player, major fast-forward, rewind, arbitrary drag the progress, adjust the volume, and so on.