ios - Reading a db again after re-opening the app -



ios - Reading a db again after re-opening the app -

i developing app that's reading db parse.com coordinates plotting out on mapkit-map. works fine when new pin added manually me on web @ parse.com, doesn't show when opening app after pushing home-button on phone.

where , how inquire if app has been shot down?

hope explained in understandable way.

it nice have app opening scratch every time opened launch-image , on. suppose not possible 1 has close apps in background double-clicking on phone.

thankful answers

if 'app has been shot down' mean app moved background after pressing home button, know event need implement applicationdidenterbackground: method in appdelegate.m

these functions along comments created xcode, when start new project.

- (void)applicationdidenterbackground:(uiapplication *)application { nslog(@"app background"); /* utilize method release shared resources, save user data, invalidate timers, , store plenty application state info restore application current state in case terminated later. if application supports background execution, method called instead of applicationwillterminate: when user quits. */ }

to know when app opened again, implement applicationdidbecomeactive: method in appdelegate.m

- (void)applicationdidbecomeactive:(uiapplication *)application { nslog(@"app active"); /* restart tasks paused (or not yet started) while application inactive. if application in background, optionally refresh user interface. */ }

ios objective-c methods

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