Animate UILabel text size increase and decrease

ios, iphone

Solution

The font of a UIView is not an animatable property. You should use transforms instead.

[UIView beginAnimations:nil context:nil/*contextPoint*/];
monthsOnBoard.transform = CGAffineTransformMakeScale(2.0, 2.0); //increase the size by 2
 //etc etc same procedure for the other labels.
[UIView setAnimationDelegate:self];
[UIView setAnimationDelay:0.5];
[UIView setAnimationDuration:1];
[UIView setAnimationRepeatCount:4];
[UIView setAnimationCurve:UIViewAnimationCurveEaseInOut];
[UIView commitAnimations];

similarly, you can play with the values in `CGAffineTransformMakeScale(x, y);` - x is the horizontal scale constant and y is the vertical one. Enjoy!!

Problem

I want to apply animation on UILabel text. I write the code to increase font size in animation block but animation is not applied. ``` [UIView beginAnimations:nil context:nil/*contextPoint*/]; monthsOnBoard.font=[UIFont fontWithName:@"digital-7" size:150]; daysOnBoard.font=[UIFont fontWithName:@"digital-7" size:150]; hoursOnBoard.font=[UIFont fontWithName:@"digital-7" size:100]; minutesOnBoard.font=[UIFont fontWithName:@"digital-7" size:100]; secondsOnBoard.font=[UIFont fontWithName:@"digital-7" size:100]; [UIView setAnimationDelegate:self]; [UIView setAnimationDelay:0.5]; [UIView setAnimationDuration:1]; [UIView setAnimationRepeatCount:4]; [UIView setAnimationCurve:UIViewAnimationCurveEaseInOut]; [UIView commitAnimations]; ```

Original source