If my deployment target is set to iOS 4.1 and submitted to apple, and they test the app on iOS 4.3, would that cause the app to malfunction? My app was rejected for a bug that I am unable to recreate on my iPhone 4. The exact same device model they tested the app on. I simply cannot find the bug or error in my code. Any advice would be greatly appreciated.
If you build your app to target iOS 4.1 it should run on iOS 4.3. It's possible that your app does something that works on 4.1 but causes a problem on 4.3; I had that myself with an app already in the store, and had to post an update so it worked correctly under a newer iOS release.
Note that you can tell the iOS Simulator what version iOS to simulate: on the Hardware menu, select Version, and subsequent runs will be tested against that version of the system libraries.
The simulator is not a perfect reproduction of a real device, but hopefully you can do this to reproduce the behavior that Apple has seen on their devices.
Did you test it on your iPhone 4 with iOS 4.3? There's two parts to the puzzle. If they rejected it for crashing under iPhone 4, you have to check all the different iOS versions you claim to support. The target iOS 4.1 should still make it work on 4.3, you just might have a crash (which apparently you do). Through testing with that actual software version on your iPhone, you'll find the bug and hopefully squash it. Good luck!
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Just wonder if the app(target os below 4.3) can run on ios6.
xcode 4.5 can not build the target below 4.3, does this mean ios6 does not accept app with os target below 4.3?
Welcome any comment
Almost all apps built for older iOS versions will be able to run on future iOS versions. However, you will have difficulty building older iOS apps to newer iOS devices. Also, be careful when you release. I had been working on one of my apps in iOS 4, and it was rejected for crashing. I updated my xcode and realized some of the old code didn't work in iOS 6.
an app targeted below 4.3 should be able to run on iOS6 devices as long as the app is built with an xcode less than 4.5. at least that was the case with an app I work on and it didn't seem to cause any problems (that i'm aware of). the difference is if you want to update that app using xcode 4.5 you'll have to change the target build to at least 4.3.
I did build app for ios 5.0.1 using xcode 4.2 and uploaded it on apple store. They rejected my app due to crash issue occurs when they install and run on ios 5.1.
Could you please let me know if we build an app for ios 5.0.1 will not be run on ios5.1 iphone device.
What will be the way so I can approved my app at apple store that is build for ios 5.0.1.
But two days ago they approved another app that is build for ios 5.0.1.
Should I query to apple store.
Please reply me thank a lot for time frame given to my ques.
The app can run in iOS 5.1, the thing is that you dont know how that app is going to work on 5.1, so probably you are using something that is allowed in 5.0.1, and in 5.1 is crashing.
Your only option now, is to download the 5.1 on your xCode and check what is going on.
Yes, Apple will approve apps that are built using the 5.0 SDK, though probably not anything earlier. They pretty much always test using the latest version of the OS so you should absolutely test with it before submitting. I'd venture that there's no reason not to develop with the latest too.
The changes between 5.0 and 5.1 are not huge so, chances are, you do have a bug. Apple normally send crash reports when they reject for these reasons.
iOS project. Base SDK 4.2, deployment target 3.0. A customer is complaining about an issue on iOS 3.1 (he has an old device).
I tried installing Xcode 3.2.3 - the oldest there is for download. It does not offer iOS 3.1 as a test target. Does anyone know how can I enable older versions of iOS on the simulator?
The box also has Xcode 4 (in a different folder). Could it be the case that they're sharing the iOS simulator, and the backwards-incompatible one from Xcode 4 is getting in the way?
There is no substitute for testing on a real device.
I've had a problem with my iPod touch (3rd gen, ios 5.0) crashing in one app. Every day. The dev won't buy, beg, borrow or steal a real iPod touch to test it on so he can fix it. As a user this is extremely frustrating.
EDIT:
The final versions of Xcode with the iPhone SDK, as it was called then, are not available from Apple's download page, but the direct links still work.
The direct links can be found at:
http://chris-fletcher.com/2010/08/28/howto-install-iphone-sdk-2-0-3-1-for-xcode-3-2/
If you use the latest Xcode, you can install device debugging support via the Downloads->Components section, a la: http://cl.ly/3U1V1G3W2p2E1G29342e
http://iphonesdkdev.blogspot.com/2010/04/old-versions-of-iphone-sdk.html
Some of the links are dead though. Apple is removing those old files little by little. Get them while supplies last.
I can change my deployment target from 3.0 to 4.3 and test that my application is compatible with all these versions but how can I test if my application is compatible with all versions including iOS 5.0? Any idea regarding the same? Also note that I have iPhone 3GS with iOS 4.0.2 and need to test in iOS 5.0. Hope to get a good help. Thanks.
Eventually, you'll need to get a device that has iOS 5 installed. Without that, you can only test this in the iOS 5 simulator.
Also note that changing the deployment target is not enough to test if your app is compatible with that OS version. Basically, this just means that you promise that it'll run from this version upwards, but it doesn't enforce that you don't use any APIs that might not be available there.
I you wanna do it properly, you will have to get every device there is, with every version you want to support ... that is, imho, overkill. I just test my Apps on the 4.3 and 5.0 Simulator in XCode and on my 5.0 iPhone 4. And have not had any problems with that 'til now.
BTW you should update your 3GS to 5.0.1.
To test in the simulator with iOS5, you can set the OS version with the Version submenu of the simulator's Hardware menu.
May be this will be silliest question but users are facing such problems.
Sorry for same.
I have made build on xcode 3.2 which has maximum IOS 4.3 and uploaded on itunes.
Now users which are downloading application having IOS 5.0 says that application is getting crashed or vanished.
So, just want to ask that build made on xcode 3.2 runs on IOS 5.0
Please help.....
Thanks a lot....
The short answer is that you have a bug in your app.
An app compiled for iOS 4.3 should work just fine. However, as with any update to the operating system, ambiguities in API calls are tightened, undocumented behaviours vanish and some APIs become deprecated. Deprecations won't cause problems (yet), though both of the others might.
For this reason you should be testing with new versions as they become available.