添加架包
implementation 'me.jessyan:autosize:1.2.1'
模拟器预览设置
dp: (sqrt(vertical resolution^2 + horizontal resolution^2))/dpi
pt: (sqrt(vertical resolution^2 + horizontal resolution^2))/72
in: sqrt(vertical resolution^2 + horizontal resolution^2)
mm: (sqrt(vertical resolution^2 + horizontal resolution^2))/25.4
375/812 => 35.2
