Can we lock the app while app goes to sleep mode in IPhone?

Question

I am working an app where lock option is included.My app starts with passcode screen.If I enter correct code then it navigates to next screen.If I dont use the app for long time

Answer 1

Yes ofcourse it is possible. You must open the screen in a method called applicationDidBecomeActive in your Application Delegate. This method is called every time the application is opened from background.

So whenever the user starts the already running app, this method will be called and from this you can first show the Password screen, and after that the respective screen.