googleplay/blog/2023-02-27-checkin/readme.md

Checkin

where do these names come from?

req_body := protobuf.Message{
   4: protobuf.Message{ // checkin
      1: protobuf.Message{ // build
         // sdkVersion
         // multiple APK valid range 14 - 0x7FFF_FFFF
         // single APK valid range 14 - 28
         10: protobuf.Varint(28),
      },
      18: protobuf.Varint(1), // voiceCapable
   },
   // version
   // valid range 2 - 3
   14: protobuf.Varint(3),
   18: protobuf.Message{ // deviceConfiguration
      1: protobuf.Varint(c.Touch_Screen),
      2: protobuf.Varint(c.Keyboard),
      3: protobuf.Varint(c.Navigation),
      4: protobuf.Varint(c.Screen_Layout),
      5: protobuf.Varint(c.Has_Hard_Keyboard),
      6: protobuf.Varint(c.Has_Five_Way_Navigation),
      7: protobuf.Varint(c.Screen_Density),
      8: protobuf.Varint(c.GL_ES_Version),
      11: protobuf.String(native_platform),
   },
}
for _, library := range c.System_Shared_Library {
   // .deviceConfiguration.systemSharedLibrary
   req_body.Get(18).Add_String(9, library)
}
for _, extension := range c.GL_Extension {
   // .deviceConfiguration.glExtension
   req_body.Get(18).Add_String(15, extension)
}
for _, name := range c.New_System_Available_Feature {
   // .deviceConfiguration.newSystemAvailableFeature
   req_body.Get(18).Add(26, protobuf.Message{
      1: protobuf.String(name),
   })
}
req, err := http.NewRequest(
   "POST", "https://android.googleapis.com/checkin",
   bytes.NewReader(req_body.Marshal()),
)