apps: drop init funcs

Now that Gio runs main functions everywhere, init func are no longer
necessary.

Signed-off-by: Elias Naur <mail@eliasnaur.com>

apps/go.mod

@@ -3,7 +3,7 @@ module gioui.org/apps
 go 1.12
 
 require (
-	gioui.org/ui v0.0.0-20190721200230-1ee8c08f3bf9
+	gioui.org/ui v0.0.0-20190722093309-c080a54038a6
 	github.com/google/go-github/v24 v24.0.1
 	golang.org/x/exp v0.0.0-20190627132806-fd42eb6b336f
 	golang.org/x/image v0.0.0-20190703141733-d6a02ce849c9

apps/gophers/main.go

@@ -126,25 +126,12 @@ var theme struct {
 }
 
 func main() {
+	flag.Parse()
+	initProfiling()
 	if *token == "" {
 		fmt.Println("The quota for anonymous GitHub API access is very low. Specify a token with -token to avoid quota errors.")
 		fmt.Println("See https://help.github.com/en/articles/creating-a-personal-access-token-for-the-command-line.")
 	}
-	app.Main()
-}
-
-func initProfiling() {
-	if !*profile {
-		return
-	}
-	go func() {
-		log.Println(http.ListenAndServe("localhost:6060", nil))
-	}()
-}
-
-func init() {
-	flag.Parse()
-	initProfiling()
 	go func() {
 		fonts.regular = mustLoadFont(goregular.TTF)
 		fonts.bold = mustLoadFont(gobold.TTF)
@@ -164,6 +151,16 @@ func init() {
 			log.Fatal(err)
 		}
 	}()
+	app.Main()
+}
+
+func initProfiling() {
+	if !*profile {
+		return
+	}
+	go func() {
+		log.Println(http.ListenAndServe("localhost:6060", nil))
+	}()
 }
 
 func colorMaterial(ops *ui.Ops, color color.RGBA) ui.MacroOp {

apps/hello/hello.go

@@ -20,18 +20,13 @@ import (
 )
 
 func main() {
-	app.Main()
-}
-
-// On iOS and Android main will never be called, so
-// setting up the window must run in an init function.
-func init() {
 	go func() {
 		w := app.NewWindow(nil)
 		if err := loop(w); err != nil {
 			log.Fatal(err)
 		}
 	}()
+	app.Main()
 }
 
 func loop(w *app.Window) error {