- [Instructor] For our last chapter challenge,…your task is going to be adding in an animation…to move our info label into the center…of the newsletter view with an alpha property fade in.…Now, before you start the challenge,…you're going to want to change some of the label's properties…that are set up in viewDidLoad().…First, go ahead and set the alpha to 0…and second, we want to change the background color to clear.…Now, as to where to add in this animation,…you'll want to add it in right after…we activate the constraints on our dynamic label…and force a layout change.…
I'm going to add a little to do comment in here, TODO:…Animate label.…Remember, even though you called layoutIfNeeded()…once already, doesn't mean you won't need to do so again.…This challenge shouldn't take more than five to 10 minutes…so head over to the solution when you're done…to compare notes.…Happy coding.…
Author
Released
4/18/2018- How animations fit into the view controller lifecycle
- Writing simple view animations
- Making use of animation options
- Adding spring animations
- Working with keyframes
- Using calculation modes
- Animating constraint values
Skill Level Intermediate
Duration
Views
Related Courses
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Introduction
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Welcome56s
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What you should know1m 21s
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Exercise files42s
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1. Getting Started
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Starter project review1m 45s
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2. Animation Basics
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Simple view animations5m 7s
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View animation options2m 50s
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Chapter challenge1m 12s
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Chapter solution3m 12s
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3. Springs and Transitions
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Adding spring animations5m 47s
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View transitions, part 13m 48s
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View transitions, part 27m 15s
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Custom button animations3m 53s
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Chapter solution2m 40s
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4. Working with Keyframes
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Keyframe animations7m 6s
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Using calculation modes1m 49s
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Chapter solution2m 38s
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5. Auto Layout and Beyond
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Animating constraint values4m 22s
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Working with dynamic views6m 11s
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Chapter solution2m 34s
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Conclusion
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Next steps1m 1s
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Video: Chapter challenge