When an object of a type is attached to an Editable, its methods will be called when the text is changed. 接口TextWatcher定义了三个抽象方法: public void beforeTextChanged(CharSequence s, int start, int count, int after) This method is called to notify you that,
本文已授权微信公众号:鸿洋(hongyangAndroid)在微信公众号平台原创首发. 网上有很多关于使用Gallery来打造3D画廊的博客,但是在关于Gallery的官方说法中表明: This class was deprecated in API level 16.This widget is no longer supported. Other horizontally scrolling widgets include HorizontalScrollView and ViewPager