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Updating my app to 3.0 OS. Will it break 2.2.1 version

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  • 10-12-2009 9:54pm
    #1
    Josey Wales
    Registered Users Posts: 4,433 ✭✭✭


    I released an app earlier this year and at the time the OS on the iPhone was 2.2.1 and as we know 3.0 came along. Now I am in the process of updating my app and I have added a function that is only available in 3.0. I have also fixed the code that was deprecated in 3.0.

    My question is what will happen to the app if a user updates but has not got 3.0 on their device?

    Should I use the following:
    float version = [[[UIDevice currentDevice] systemVersion] floatValue];
	
if (version >= 3.0) 
{
iPhone 3.0 code here
}
    Tagged:


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