Alloc Method to Choose Between Regular and Phone - Objective C Snipplr Social Repository

Revision: 59149

at August 21, 2012 04:34 by yar

Initial Code

#define IS_PHONE  UI_USER_INTERFACE_IDIOM()==UIUserInterfaceIdiomPhone

#define ALLOC_PER_DEVICE()  id retVal = nil; \
                            NSString *className = NSStringFromClass(self);\
                            if (IS_PHONE && ![className hasSuffix:@"Phone"]) {\
                                className = [NSString stringWithFormat:@"%@Phone", className];\
                                Class newClass = NSClassFromString(className);\
                                retVal = [newClass alloc];\
                            }\
                            if (!retVal)\
                                retVal = [super alloc];\
                            assert(retVal != nil);\
                            return retVal\

// Sample Usage
+ (id) alloc {
    ALLOC_PER_DEVICE();
}

Initial URL

Initial Description

This method will alloc the current class unless the device is a phone (also defined here). Then it will try to alloc the class with the suffix "Phone."

Initial Title

Alloc Method to Choose Between Regular and Phone

Initial Tags

iphone, ios

Initial Language

Objective C

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