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Access Main ui from background thread in android

We know that in android only main thread can touch the UI but there are some severals methods that can touch the UI from background thread that are following as : 1. Handler 2. PostDelayed 3. RunOnUIThread 4. AsyncTask 1. Handler i...

How to use completion handler in swift

The code below will help you in declaration of completion handler and how to call the completion handler in swift. To declare a completion handler in swift use the line : typealias completionHander = (sucess: Bool)->Void //decalrat...
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