android values 适配

120dpi(ldpi低密度屏)，160dpi(mdpi中密度屏)，213dpi(tvdpi电视密度屏)，240dpi(hdpi高密度屏)，320dpi(xhdpi极高密度屏)；

限定符(land,port)可以帮助我们区分屏幕横竖屏状态

values-land-ldpi

values-land-hdpi

values-land-hdpi-800x480-4.0

values-land-mdpi-800x480-5.1

values-land-mdpi-854x480-5.4

values-land-mdpi-1024x600-7.0

values-land-mdpi-1280x800-10.1

values-land-xhpdi-1280x768-4

values-land-xhpdi-1280x720-4.7

values-land-xhpdi-1920x1200-7

values-land-xhpdi-2560x1600-10

values-land-tvpdi-1280x800-7

values-land-xxhdpi-1920x1080-5

values-port-ldpi

values-port-hdpi

values-port-hdpi-800x480-4.0

values-port-mdpi-800x480-5.1

values-port-mdpi-854x480-5.4

values-port-mdpi-1024x600-7.0

values-port-mdpi-1280x800-10.1

values-port-xhpdi-1280x768-4

values-port-xhpdi-1280x720-4.7

values-port-xhpdi-1920x1200-7

values-port-xhpdi-2560x1600-10

values-port-tvpdi-1280x800-7

values-port-xxhdpi-1920x1080-5

参考