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Tag Archives: XCode

Develop with iOS 4 SDK on an OS 3.0 Device

After upgrading to iOS 4.0 SDK, iPhone OS 3.0 is no longer a valid “Base SDK”. Naively switching to iPhone 3.2 prevents deployment to a 3.0 device. But such “Project -> Edit Project Settings” work out fine: “Deployment Target” hint found here.

Posted 23 Juni 2010 † mro § Articles in english § development ‡ Comments (0) ° Also tagged: , , , , ,

iOS 4 Simulator crash (when installed to custom folder)

just downloaded and installed the iOS 4 SDK and as my root OS X partition is rather (too) small, I put it into a custom location /Users/Developer.Snowleopard/. This causes the iPhone Simulator to crash and compiling gives an error like: ibtool failed with exception: Interface Builder encountered an error communicating with the iPhone Simulator. If [...]

Posted 23 Juni 2010 † mro § Articles in english § development ‡ Comments (0) ° Also tagged: , , , ,

XCode: missing “deprecated” warnings

when developing for long-term use, you want to use APIs that aren’t likely to be removed soon, a.k.a. “deprecated”. So, don’t use downward compatible calls below a point you really aim for. XCode helps with compiler warnings about “deprecated” calls – if “Project -> Edit Project Settings -> GCC_WARN_ABOUT_DEPRECATED_FUNCTIONS” is set: But be careful, this [...]

Posted 22 Juni 2010 † mro § Articles in english § development ‡ Comments (0) ° Also tagged: , , , , , , , ,

underretain in CoreAnimation / iPhone Simulator

After upgrading to Snow Leopard and XCode 3.2.1 I’ve seen such console output CAUnderRetain(32139,0xa0391500) malloc: *** error for object 0×3838000: pointer being freed was not allocated *** set a breakpoint in malloc_error_break to debug when rotating the iPhone Simulator in a project with base SDK 3.0. This can be reproduced as follows: Create a fresh [...]

Posted 12 Dezember 2009 † mro § Articles in english § development ‡ Comments (0) ° Also tagged: , , , , , , ,

Upgrade to Snow Leopard

Mac OS X 10.6 Snow Leopard (partition 25G, HFS+ Journaled, Upper/Lower) Mac OS X 10.5 Leopard (partition 25G, HFS+ Journaled, Upper/Lower) partition userspace 100G, HFS+ Journaled, Upper/Lower $ cat /etc/fstab # mount partition "userspace" as /Users UUID=D016E3FD-E322-3006-A8F5-D2348C6A5B7B /Users hfs rw,auto create user “mig” TimeMachine restore Users + Settings delete user “mig” manually copy user “Shared” [...]

Posted 28 November 2009 † mro § Articles in english § sysadmin ‡ Comments (1) ° Also tagged: , , , , , , , ,

Unit Testing / iPhone

Having Eclipse & JUnit in mind I missed unit testing quite a bit while developing with XCode for iPhone. As a first shot, I set SenTestingKit up as explained by it’s author and it works really nicely. One thing I still miss is Step’n’Trace debugging the tests. Other intros to the topic from Apple about [...]

Posted 26 Juli 2009 † mro § Articles in english § development ‡ Comments (1) ° Also tagged: , , , ,