Exit using back button

antix · February 2017

I am using the following code to make my game exit when the back button is pressed...

stage:addEventListener(Event.KEY_DOWN, function(event)
    if event.keyCode == KeyCode.BACK then
      application:exit()
    end
  end)

This seems to work but when you press the button that shows all running apps.. the game is sitting there in that list and has not exited correctly. If I click it in the list of running apps it then starts the app again.

Is this a bug and is it possibly resolved later than 2016.6 which I'm currently using?

SinisterSoft · February 2017

same thing here
\

antix · February 2017

@SinisterSoft, darn. So it happens in the latest versions also?

hgy29 · February 2017

On Android calling application:exit() calls the finish() method of the Activity instance.

However, android may choose to retain the activity in memory but frozen, just in case the user wants to start it again right after.

http://stackoverflow.com/questions/10847526/what-exactly-activity-finish-method-is-doing

antix · February 2017

@hgy29 so this is by design eh? I don't really see any other games that follow this behavior. Is there a way to add a bool to application:exit(immediate) that will fully exit if immediate = true?

hgy29 · February 2017

Well, this is the way android handle activities, not something gideros specific

SinisterSoft · February 2017

I think there is a way though - the banking apps seem to do this - it might be something in the manifest that does it?

antix · February 2017

@hgy29 true. I only added the application:exit() on the back button because Google recommends you do that and I read somewhere that they won't consider featuring your game at all unless it has this feature, but I'm not sure if that's 100% accurate.

Anyway, it would be good if when I asked the application to exit, that it actually disappeared totally

hgy29 · February 2017

I don't know if thats even possible. A little more reading:

http://blog.radioactiveyak.com/2010/05/when-to-include-exit-button-in-android.html

http://stackoverflow.com/questions/16967356/why-my-app-still-visible-in-task-manager-after-finishing-it

antix · February 2017

Oh well, I suppose I will have to live with it

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