How can I block UI thread without using sleep?
Just to be clear: I understand that UI will freeze for user, but that is the idea.
Can I run empty RunLoops? Any other ways.
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How can I block UI thread without using sleep?
Just to be clear: I understand that UI will freeze for user, but that is the idea.
Can I run empty RunLoops? Any other ways.
If you just want to block all interaction with your UI, call the
UIApplicationmethod-beginIgnoringInteractionEvents. If you’re actually trying to prevent the entire UI from doing anything (which is not a good idea—your application might block the appearance of a system notification, for instance), then yes, anNSRunLoopwould probably be the right approach.