tiansi5a2

android属性动画实现布局的伸展与收缩

实现viewpager的无限轮播，无卡顿现象

默认账号："hayden","tina","miwa","linda","tracy","rachel","peter","rose","kevin","tom","jason","mike","akon","marry","benny","steven","candy&q

精简了环信官方android chatui2.0 demo,并做了屏幕适配