objective c - iOS application goes to dashboard when it comes from background to foreground? -

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i experiencing problem switching app background foreground.

it tab bar based app. if launch app redirects view controller left off. if launch after 5/10 min(basically after period). launches app initial screen.

from google, read if app in background while, killed operating system based on need of ram other application.

1. reason above problem or other reasons ?

this main reason can happen. can maybe increase time takes happen implementing didreceivememorywarning method , adding sufficient code free() / release lot of resources can later recreated. give chance of not getting killed in cases , maybe buy time.


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