HackThePlanet
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iOS backgrounding execution
Hi guys,
I am developing an iOS app for iPad/iPhone for sending XMPP messages. If the user enters an area with no network coverage I want to retry sending the message when I get network connectivity. I can do this, however if the user composes a message and then hit the Home button and i'm in a the app obviously goes into the background.
I want to be a responsible app and get into the store so know I can't piggy back onto VOIP, Music background modes so how can I still send this message out while app not in the foreground.
Can iOS wake my app up even for a short time say 30 secs every xxx minutes to let me create my XMPP session and try sending the message again? Or can I create a finite task and try for as long as possible to send my message out. Once this time limit is reached thats it and I have to wait until the app is started again?
I know there are new bg modes in iOS 7 but I want to cater for iOS 6 as well ( don't ask :D ). Do I have to use one of these new bg states for creating a long running app?
There must be something that I can do. What is the correct and best solution. Hopefully not mutually exclusive :D.
Ideally it would be iOS waking me up every so often if I have messages and me trying to send them.
Help more than welcome.
I am developing an iOS app for iPad/iPhone for sending XMPP messages. If the user enters an area with no network coverage I want to retry sending the message when I get network connectivity. I can do this, however if the user composes a message and then hit the Home button and i'm in a the app obviously goes into the background.
I want to be a responsible app and get into the store so know I can't piggy back onto VOIP, Music background modes so how can I still send this message out while app not in the foreground.
Can iOS wake my app up even for a short time say 30 secs every xxx minutes to let me create my XMPP session and try sending the message again? Or can I create a finite task and try for as long as possible to send my message out. Once this time limit is reached thats it and I have to wait until the app is started again?
I know there are new bg modes in iOS 7 but I want to cater for iOS 6 as well ( don't ask :D ). Do I have to use one of these new bg states for creating a long running app?
There must be something that I can do. What is the correct and best solution. Hopefully not mutually exclusive :D.
Ideally it would be iOS waking me up every so often if I have messages and me trying to send them.
Help more than welcome.
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Sounds good.
ASKER
Brilliant. Many thanks pgnatyuk. Found a way forward. Ciao!
ASKER
Fab answer. Helped distill into something that is now understandable. Cheers!
You are welcome
iOS
iOS is a mobile operating system developed by Apple; it is a derivative of the Mac OS X desktop operating system, with which it shares many (but not all) common frameworks and other components. These include Cocoa Touch, the Mach/Darwin/XNU kernel and code from the Berkeley Software Distribution (BSD). Each iOS application runs in its own secure sandbox to prevent altering other applications, the operating system, or any other data.
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I see in the Location Manager section in developer section that it talks about "social networking".
If I have messages to send and I go into the background I suppose I could start a significant change location service. If I run past allotted time I could register for a stay of execution with a finite task.
And so on until all messages are sent. Then I would rely on Push notifications for notification of incoming messages.
Sound like a plan that would get into the app store for iOS6 and 7?