UIView animated changes with auto layout constraints

Question

Say that I have a project which looks like the following:

There are tw

Answer 1

Try it as mentioned by shwet-solanki, but add the following line after changing the constraint:

[self.view layoutIfNeeded];

the IBAction would look like:

- (IBAction)expandYellowBox:(id)sender {

[UIView animateWithDuration:0.5
                 animations:^{
                     self.yellowBoxHeightConstraint.constant += 50;
                     [self.view layoutIfNeeded];
                 }];
}

Where yellowBoxHeightConstraint is the IBOutlet for height constraint of yellowBox. Hope this helps.