func (a *Application) handleLifecycle(e lifecycle.Event) {
switch e.Crosses(lifecycle.StageVisible) {
case lifecycle.CrossOn:
a.visible = true
a.onStart(e.DrawContext.(gl.Context))
case lifecycle.CrossOff:
a.visible = false
a.onStop()
}
}
func onLifecycleEvent(e *lifecycle.Event) {
log.Println("onLifecycleEvent", e)
crossAlive := e.Crosses(lifecycle.StageAlive)
crossVisible := e.Crosses(lifecycle.StageVisible)
crossFocused := e.Crosses(lifecycle.StageFocused)
if crossAlive == lifecycle.CrossOn {
log.Println("onCreate")
}
if crossVisible == lifecycle.CrossOn {
log.Println("onStart")
}
if crossFocused == lifecycle.CrossOn {
log.Println("onResume")
} else if crossFocused == lifecycle.CrossOff {
log.Println("onFreeze")
}
if crossVisible == lifecycle.CrossOff {
log.Println("onStop")
}
if crossAlive == lifecycle.CrossOff {
log.Println("onDestroy")
}
}