How can I animate zoom in / zoom out on iOS using Objective C?

Question

I\'m looking to replicate the zoom in / zoom out animations so common in iOS applications (example #1, #2). I am specifically looking for a source that can provide some comm

Answer 1

Applied on xCode 7 and iOS 9

 //for zoom in
    [UIView animateWithDuration:0.5f animations:^{

        self.sendButton.transform = CGAffineTransformMakeScale(1.5, 1.5);
    } completion:^(BOOL finished){

    }];
  // for zoom out
        [UIView animateWithDuration:0.5f animations:^{

            self.sendButton.transform = CGAffineTransformMakeScale(1, 1);
        }completion:^(BOOL finished){}];