danmartyn

Taken From: http://stablekernel.com/blog/speeding-up-nscoding-with-macros/

#define OBJC_STRINGIFY(x) @#x
#define encodeObject(x) [aCoder encodeObject:x forKey:OBJC_STRINGIFY(x)]
#define decodeObject(x) x = [aDecoder decodeObjectForKey:OBJC_STRINGIFY(x)]
#define encodeFloat(x) [aCoder encodeFloat:x forKey:OBJC_STRINGIFY(x)]
#define decodeFloat(x) x = [aDecoder decodeFloatForKey:OBJC_STRINGIFY(x)]

- (id)initWithCoder:(NSCoder *)aDecoder
{

danmartyn

// Doing something on the main thread

dispatch_queue_t myQueue = dispatch_queue_create("My Queue",NULL);
dispatch_async(myQueue, ^{
    // Perform long running process

    dispatch_async(dispatch_get_main_queue(), ^{
        // Update the UI

    });