【文件属性】：
文件名称：不同平台版本支持 -Supporting Different Platform Versions
文件大小：320KB
文件格式：PDF
更新时间：2016-03-24 08:37:28
Versions
Android categorizes device screens using two general properties: size and density. You should expect that your app will be installed on devices with screens that range in both size and density. As such, you should include some alternative resources that optimize your app’s appearance for different screen sizes and densities.