init commit

Makefile

@@ -0,0 +1,18 @@
+all:
+	gomobile install
+
+install:
+	go install golang.org/x/mobile/cmd/gomobile@latest
+
+init:
+
+init:
+
+
+build:
+	# gomobile build -androidapi 16 -target=android -o myapp.apk main.go
+	gomobile build -target=android -o myapp.apk main.go
+
+adb-logcat:
+	# this worked
+	adb logcat |grep jwc

go.mod

@@ -0,0 +1,11 @@
+module git.wit.org/jcarr/my-gomobile
+
+go 1.19
+
+require golang.org/x/mobile v0.0.0-20230301163155-e0f57694e12c
+
+require (
+	golang.org/x/exp v0.0.0-20190731235908-ec7cb31e5a56 // indirect
+	golang.org/x/image v0.0.0-20190802002840-cff245a6509b // indirect
+	golang.org/x/sys v0.0.0-20220722155257-8c9f86f7a55f // indirect
+)

go.sum

@@ -0,0 +1,20 @@
+github.com/BurntSushi/xgb v0.0.0-20160522181843-27f122750802/go.mod h1:IVnqGOEym/WlBOVXweHU+Q+/VP0lqqI8lqeDx9IjBqo=
+golang.org/x/crypto v0.0.0-20190308221718-c2843e01d9a2/go.mod h1:djNgcEr1/C05ACkg1iLfiJU5Ep61QUkGW8qpdssI0+w=
+golang.org/x/crypto v0.0.0-20190510104115-cbcb75029529/go.mod h1:yigFU9vqHzYiE8UmvKecakEJjdnWj3jj499lnFckfCI=
+golang.org/x/exp v0.0.0-20190731235908-ec7cb31e5a56 h1:estk1glOnSVeJ9tdEZZc5mAMDZk5lNJNyJ6DvrBkTEU=
+golang.org/x/exp v0.0.0-20190731235908-ec7cb31e5a56/go.mod h1:JhuoJpWY28nO4Vef9tZUw9qufEGTyX1+7lmHxV5q5G4=
+golang.org/x/image v0.0.0-20190227222117-0694c2d4d067/go.mod h1:kZ7UVZpmo3dzQBMxlp+ypCbDeSB+sBbTgSJuh5dn5js=
+golang.org/x/image v0.0.0-20190802002840-cff245a6509b h1:+qEpEAPhDZ1o0x3tHzZTQDArnOixOzGD9HUJfcg0mb4=
+golang.org/x/image v0.0.0-20190802002840-cff245a6509b/go.mod h1:FeLwcggjj3mMvU+oOTbSwawSJRM1uh48EjtB4UJZlP0=
+golang.org/x/mobile v0.0.0-20190312151609-d3739f865fa6/go.mod h1:z+o9i4GpDbdi3rU15maQ/Ox0txvL9dWGYEHz965HBQE=
+golang.org/x/mobile v0.0.0-20230301163155-e0f57694e12c h1:Gk61ECugwEHL6IiyyNLXNzmu8XslmRP2dS0xjIYhbb4=
+golang.org/x/mobile v0.0.0-20230301163155-e0f57694e12c/go.mod h1:aAjjkJNdrh3PMckS4B10TGS2nag27cbKR1y2BpUxsiY=
+golang.org/x/mod v0.1.0/go.mod h1:0QHyrYULN0/3qlju5TqG8bIK38QM8yzMo5ekMj3DlcY=
+golang.org/x/net v0.0.0-20190311183353-d8887717615a/go.mod h1:t9HGtf8HONx5eT2rtn7q6eTqICYqUVnKs3thJo3Qplg=
+golang.org/x/net v0.0.0-20190404232315-eb5bcb51f2a3/go.mod h1:t9HGtf8HONx5eT2rtn7q6eTqICYqUVnKs3thJo3Qplg=
+golang.org/x/sys v0.0.0-20190215142949-d0b11bdaac8a/go.mod h1:STP8DvDyc/dI5b8T5hshtkjS+E42TnysNCUPdjciGhY=
+golang.org/x/sys v0.0.0-20190412213103-97732733099d/go.mod h1:h1NjWce9XRLGQEsW7wpKNCjG9DtNlClVuFLEZdDNbEs=
+golang.org/x/sys v0.0.0-20220722155257-8c9f86f7a55f h1:v4INt8xihDGvnrfjMDVXGxw9wrfxYyCjk0KbXjhR55s=
+golang.org/x/sys v0.0.0-20220722155257-8c9f86f7a55f/go.mod h1:oPkhp1MJrh7nUepCBck5+mAzfO9JrbApNNgaTdGDITg=
+golang.org/x/text v0.3.0/go.mod h1:NqM8EUOU14njkJ3fqMW+pc6Ldnwhi/IjpwHt7yyuwOQ=
+golang.org/x/tools v0.0.0-20190312151545-0bb0c0a6e846/go.mod h1:LCzVGOaR6xXOjkQ3onu1FJEFr0SW1gC7cKk1uF8kGRs=

main.go

@@ -0,0 +1,79 @@
+package main
+
+import (
+	"fmt"
+	"runtime"
+
+	"golang.org/x/mobile/app"
+	"golang.org/x/mobile/event/lifecycle"
+	"golang.org/x/mobile/event/paint"
+	"golang.org/x/mobile/event/size"
+	"golang.org/x/mobile/event/touch"
+	"golang.org/x/mobile/gl"
+)
+
+func main() {
+	app.Main(func(a app.App) {
+		var glctx gl.Context
+		fmt.Printf("does anything log anywhere. does anything work at all?")
+		fmt.Printf("does anything log anywhere. does anything work at all?")
+		fmt.Printf("does anything log anywhere. does anything work at all?")
+		fmt.Printf("does anything log anywhere. does anything work at all?")
+		for e := range a.Events() {
+			switch e := a.Filter(e).(type) {
+			case lifecycle.Event:
+				switch e.Crosses(lifecycle.StageVisible) {
+				case lifecycle.CrossOn:
+					glctx, _ = e.DrawContext.(gl.Context)
+					onStart()
+				case lifecycle.CrossOff:
+					onStop()
+					glctx = nil
+				}
+			case size.Event:
+				onResize(e)
+			case paint.Event:
+				if glctx == nil {
+					continue
+				}
+				onDraw(glctx)
+				a.Publish()
+			case touch.Event:
+				onTouch(e)
+			}
+		}
+	})
+}
+
+func onStart() {
+	fmt.Println("App started")
+}
+
+func onStop() {
+	fmt.Println("App stopped")
+}
+
+func onResize(e size.Event) {
+	runtime.LockOSThread()
+	gl.Viewport(0, 0, e.WidthPx, e.HeightPx)
+	fmt.Printf("jwc onResize()", e.WidthPx, e.HeightPx)
+	fmt.Printf("jwc onResize()", e.WidthPx, e.HeightPx)
+	fmt.Printf("jwc onResize()", e.WidthPx, e.HeightPx)
+	fmt.Printf("jwc onResize()", e.WidthPx, e.HeightPx)
+	fmt.Printf("jwc onResize()", e.WidthPx, e.HeightPx)
+	fmt.Printf("jwc onResize()", e.WidthPx, e.HeightPx)
+	fmt.Printf("jwc onResize()", e.WidthPx, e.HeightPx)
+	fmt.Printf("jwc onResize()", e.WidthPx, e.HeightPx)
+	fmt.Printf("jwc onResize()", e.WidthPx, e.HeightPx)
+	runtime.UnlockOSThread()
+}
+
+func onDraw(glctx gl.Context) {
+	glctx.ClearColor(0.1, 0.1, 0.1, 1)
+	glctx.Clear(gl.COLOR_BUFFER_BIT)
+}
+
+func onTouch(e touch.Event) {
+	fmt.Printf("Touch event: X: %f, Y: %f\n", e.X, e.Y)
+}
+