How to set a mail Subject in UIActivityViewController?

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Check below code for the email for setting up your email subject:

UIActivityViewController* avc = [[UIActivityViewController alloc] initWithActivityItems:@[@"Your String to share"]
                                  applicationActivities:nil];
[avc setValue:@"Your email Subject" forKey:@"subject"];

avc.completionHandler = ^(NSString *activityType, BOOL completed) {
    // ...
};

Here the line

[avc setValue:@”Your email Subject” forKey:@”subject”];

Makes the subject as “Your email Subject” if user picks email option in the UIActivityViewController.

I hope it helps…

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