animation when deleting a view

gistfile1.m

- (IBAction)deleteTapped:(id)sender {
    [_delegate contentViewWillDelete:self];
    [UIView animateWithDuration:0.5 animations:^{
        self.alpha = 0.0f;
        CGAffineTransform rotate = CGAffineTransformRotate(self.transform, 1);
        CGAffineTransform translate = CGAffineTransformTranslate(self.transform, 300, -100);
        self.transform = CGAffineTransformConcat(rotate, translate);
        
    } completion:^(BOOL finished){
        [self removeFromSuperview];
    }];
    
}