Animating a constraint in Swift

📝️ Hey there tech enthusiasts! 💻️ In today's blog post, we're going to tackle the question of how to animate a constraint in Swift. 🚀️

So, picture this: You have a UITextField that you want to make wider when it's tapped on, using constraints. You've already set up the constraints and even made sure that the constraint on the left has a lower priority than the one you want to animate on the right side. But wait, there's a problem! 😱️ When you try to animate it, the change just happens instantly, without any smooth movement. 😓️

Fear not, my friends, for I have a solution for you! 🙌️ Let's dive into the code and see how we can make this work. 💡️

// Move the input box
UIView.animate(withDuration: 0.5, animations: {
    self.nameInputConstraint.constant = 8
}) { (completed) in
    print(">>> Move constraint")
}

Ah, the magic of animation! ✨️ By using the UIView.animate(withDuration:animations:completion:) method, we're able to add a smooth animation to the constraint change. We set the duration to 0.5 seconds, but feel free to adjust it to your liking. 😉️

Now, you might be wondering why the animation didn't work for you initially. Well, my friend, it's all about that duration parameter. You had set it to a whopping 10.5 seconds, which is quite the wait! ⏳️ No wonder you thought the animation happened instantly. By reducing the duration to a more reasonable value, you'll be able to witness the glorious movement of your UITextField. 🎉️

Before we wrap things up, let's address one more thing. You mentioned nameInputConstraint as the name of the constraint you control-dragged from Interface Builder into your class. Make sure that you have that connection set up correctly, otherwise, the animation won't work as expected. Double-check your connections, and you'll be good to go! ✔️️

Now that you know how to animate constraints in Swift, go forth and make your user interfaces come to life with delightful animations! 🌟️ Share your creations with us in the comments below—we'd love to see what you come up with! And don't forget to hit that "Share" button to spread the knowledge with your fellow developers! 🤗️

Happy coding! 💻️✨️