android图形界面编程，基本组件的设计使用方法 -the Android graphical programming interface, basic components are designed to use

Android的图形用户界面框架和持久化存储内容。俄罗斯方块，view渲染，事件处理，数据存储。-Android' s graphical user interface framework and persistent storage content. Tetris, view rendering, event handling, data storage.

android的多选按钮，实现选中内容的显示。并显示在相对应的界面上,可实现多个内容的显示。-android multi-select button, select the contents of the display to achieve. And displayed in the corresponding interface.