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I need to put in my app the following behavior:
After a few seconds without the user touching the screen, for example 10 seconds, the app presents another screen showing an image. And when the user touches the screen, the image screen disappears and goes back to the previous screen. And while the user is interacting with the app not appear anything.
The behavior will look like that of a screen saver.
There is nothing more irritating to a user than these screens that come out of nowhere unsolicited. A basic development principle says that you should not present anything that has not been requested by the user. If you want the user to perform an action after ten seconds, say it to him in the interface itself and not causing a popup screen to appear. The screen saver itself is a user option and not an imposition.
– Maujor