iOS-study/iOSFirst/Assets.xcassets/app_logo.imageset/Contents.json

{
  "images" : [
    {
      "filename" : "图层 1.png",
      "idiom" : "universal",
      "scale" : "1x"
    },
    {
      "filename" : "图层 3.png",
      "idiom" : "universal",
      "scale" : "2x"
    },
    {
      "filename" : "图层 2.png",
      "idiom" : "universal",
      "scale" : "3x"
    }
  ],
  "info" : {
    "author" : "xcode",
    "version" : 1
  }
}