github.com/graybobo/golang.org-package-offline-cache@v0.0.0-20200626051047-6608995c132f/x/talks/2014/gothamgo-android/red.go (about) 1 // +build OMIT 2 3 package main 4 5 import ( 6 "golang.org/x/mobile/app" 7 "golang.org/x/mobile/app/debug" 8 "golang.org/x/mobile/gl" 9 ) 10 11 func main() { 12 app.Run(app.Callbacks{ 13 Draw: draw, 14 }) 15 } 16 17 func draw() { 18 gl.ClearColor(1, 0, 0, 1) // RGBA value used to clear buffer: red 19 gl.Clear(gl.COLOR_BUFFER_BIT) 20 debug.DrawFPS() 21 }