Ios Background App Refresh Swift

The if test failed because the view controller wasn t available in the background.

Ios background app refresh swift. Ios can intelligently study the user s behaviour and schedule background tasks to the moment right before routine usage. The experiment the idea is to write in the userdefaults. Downloading data in the background before it is needed minimizes the lag time in displaying that data when the user launches the app.

Call the set minimum background fetch interval method of uiapplication at launch time. If your app is terminated. Examples are social media app facebook instagram whatsapp and.

The sequence of events in a background refresh the first step schedule the task. To support background app refresh for your app do the following. The process of background app refresh is a multi step process.

That s what i got from apple swift documentation. The user can toggle the setting to allow or not a specified app can run background tasks. Paulw11 oct 31 17 at 22 19.

I m writing a ios swift application which reads data from a rest service each x minutes and updates the ui accordingly. Enable the background fetch capability in your app. Actually this is a run time warning issued by ios not the compiler because it did happen.

Typically apps that the user uses the most. To save time xcode provides a feature to simulate a background app refresh on both simulator and real device. It can look intimidating but don t worry i will guide you through it step by step.