http://blog.csdn.net/jdsjlzx/article/details/45891551
https://github.com/hongyangAndroid/AndroidAutoLayout#注意事项
Android屏幕适配全攻略 http://www.cocoachina.com/android/20151030/13971.html
android多分辨率适配 http://blog.csdn.net/z343929897/article/details/27337537