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How can I create an iPhone in-app screen-saver?
E.g:
After 30 seconds the app hasn’t been used a “screen-saver” starts. Where screen saver is a movie, a photo slideshow etc.
You will want to count 30 seconds from any user interaction in this case, so I would suggest having a global
NSTimercreated in you app delegate that creates and makes prominent your screen saver view if it reaches 30 seconds.Monitor for touch events and view rotations – if these happen, invalidate your timer and create a new one.
If you don’t like the ‘create/destroy’ aspect of this, you could log a ‘last input time’ from any touch/rotate event and your timer can compare this to the current time each tick.