Android 适配pad屏幕

Pad基本属于xlarge：资源目录配置修饰符
物理尺寸的大小 layout-small(屏幕尺寸小于3英寸左右的布局），layout-normal(屏幕尺寸小于4.5英寸左右），layout-large(4英寸-7英寸之间），layout-xlarge(7-10英寸之间）

xlarge screens are at least 960dp x 720dp

large screens are at least 640dp x 480dp
normal screens are at least 470dp x 320dp
small screens are at least 426dp x 320dp

And since 

160dp

 approximately equals 

1in

 on every device:The physical sizes can be calculated approximately as follows:

xlarge screens are at least 6in x 4.5in
large screens are at least 4in x 3in
normal screens are at least 2.9375in x 2in
small screens are at least 2.6625in x 2in