I am looking to get started on iOS 6 development. I had developed on iOS 4 way back and I have Xcode 4.2 running on my machine right now. I also have some projects on there from previous iOS versions.
I would like to download the latest developer version Xcode 4.5 + iOS 6 and start developing on my system however, I dont want to lose the previous projects that I have written. I would like to be able to compile them and run them in the simulator.
I have the following questions:
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Can I install and run Xcode 4.5 on Snow Leopard?
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Once I install Xcode 4.5 will that upgrade my existing Xcode installation?
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If my existing Xcode installation is overridden to Xcode 4.5 will I be able to run my apps from iOS 3+ and iOS 4+ on the new Xcode?
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If Xcode 4.5 installs as a separate installation on my Mac can I run both Xcode versions together? What are the best practices for that installation?
Best Answer
I can't talk about Xcode 4.5 because of the NDA but I can answer some of your questions based on Xcode 4.3 and 4.4.
No. Xcode 4.2 is the last supported version on Snow Leopard
Even though you can't upgrade on Snow Leopard, on Lion Xcode 4.3+ installs besides Xcode 4.0-4.2 with the move of the
Developerfolder to inside Xcode.app.Can't really say about Xcode 4.5 but on 4.4 you would be able to get the iOS 5 simulators with 4.3 available to download manually through the Xcode's preferences window on Lion but you can only use the iOS 5 simulators on Mountain Lion. You can however test for iOS 3+ on a real device.
You would have to be under Lion in this case with both Xcode 4.2 and 4.5 installed. There should be no problem with this.