Ios App Background Execution

That method has five seconds to perform any tasks and return.

Ios app background execution. Extending your app s background execution time ensures that you have adequate time to perform critical tasks. For tasks that require more background time use background tasks. When your app moves to the background the system calls your app delegate s application did enter background method.

Ios prioritizes the app in the foreground and strictly limits the resources and time an app has to complete background tasks. Background execution is a powerful tool your app can leverage to provide a great user experience. When it receives execution time the app checks to see if new data is available.

The xcode project for the app enables the background fetch capability and the app requests hourly updates at launch time. Any app can use background fetch aka background app refresh to fetch content in the background for a few seconds about once a day on a timeframe regulated by ios out of the developer s. The following are the only scenarios in which a third party ios app can use cpu in the background.

Apple has very strict guidelines for how and when apps can run in the background. Background execution can happen when the phone is locked behind a passcode which can cause issues when reading and writing to protected resources. Listing 1 fetching data from a server in the background.