This is the class for text whose content and markup can both be changed. (这是一个内容和标记都可以更改的文本类) 快速实现 直接看代码: @Override protected void onCreate(Bundle savedInstanceState) { super.onCreate(savedInstanceState); setContentView(R.layout.activity_main); TextV
selector 1.selector 从单词的意思来说:选择者,选择器,就是对你的目标的控制. 从API来说: A controller for the selection of SelectableChannel objects. Selectable channels can be registered with a selector and get a SelectionKey that represents the registration. The keys are also add