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Class Cluster example as described here - http://www.noxeos.com/2013/06/18/strategies-support-ios7-ui/
@interface MyView : UIView
- (void)kissMyAss;
@end
@interface _MyViewIOS6 : MyView
@end
@interface _MyViewIOS7 : MyView
@end
@implementation MyView
BOOL isIOS7 = YES; // This would be a function somewhere
+ (id)alloc {
if([self class] == [MyView class]) {
if(isIOS7) {
return [_MyViewIOS7 alloc];
}
else {
return [_MyViewIOS6 alloc];
}
}
return [super alloc];
}
- (void)kissMyAss {}
// Test method
+ (void)testClassCluster {
MyView *myView = [[MyView alloc] init];
[myView kissMyAss];
}
@end
@implementation _MyViewIOS6
- (void)kissMyAss {
NSLog(@"iOS 6 can kiss my ass");
}
@end
@implementation _MyViewIOS7
- (void)kissMyAss {
NSLog(@"iOS 7 can kiss my ass");
}
@end
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