android5.0录屏代码，主要增加了Presentation类-android5.0 record screen code, the main increase in the Presentation category

实现Android5.0系统点击效果，可以在低于5.0系统上运行。-Achieve the click effect of android 5.0 system, can be run on the system which verion less than 5.0

Android项目源码支持android5.0的通讯录项目是某线上培训机构的教学代码，附带一个详细的开发文档。可以实现最基本的联系人增删改查和字母列表排序。支持一键拨号和一键短信。-Android project source support android5.0 address book project is an online training institutions teaching code, with a detailed development of the document. Y