Checking if UIGraphicsBeginImageContextWithOptions is supported

Question

I\'m working on an iOS app. It currently only works on iOS 4 since I use the following method on several occasions: \"UIGraphicsBeginImageContextWithOptions\". This method i

Answer 1

I know this is an old question, but with new Xcode and iOS versions (upper than 9) any of this methods work for me.

I always check the system version in this way:

NSString *sysver = [[UIDevice currentDevice] systemVersion];
NSArray *versionNums = [sysver componentsSeparatedByString:@"."];
int majorVersion = [versionNums[0] intValue];
if (majorVersion > 3){
    UIGraphicsBeginImageContextWithOptions(...);
}
else{
    UIGraphicsBeginImageContext(...);
}

I hope this could help anyone.