Peter Steinberger • 7/18/2014

Retrofitting containsString: on iOS 7

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This technical article explains how to retrofit the iOS 8 `containsString:` method for NSString on iOS 7. It details the use of an Objective-C category and a runtime constructor function to add the method only on older OS versions, providing a minimal and non-invasive solution for developers supporting legacy systems.

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#Io #Foundation #Objective C
Retrofitting containsString: on iOS 7

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