clear androidmanifest useless code

del the variables that are not available

update version,readme

addOnTabSelectedListener, #26

set the tabmode #28

use systembarutil to get statusbar height

1.2.0 update version, readme

1.2.0 update version, readme

修复状态栏透明 添加导航栏透明方法, #24

修改注释

del data

add tip

修改变量修饰

代码规范化

contentDescription