Flutter tips - How to chain animations

Flutter tips Published on

Making Animations Look Great

Complex animations involve several things happening one after another or at the same time. They make apps feel smooth and dynamic.

Chain Animations Easily

A smart way to build complex animations in Flutter is to chain them together using a single AnimationController.

Using One Controller

Instead of many controllers, you manage the whole timeline with just one.

The Trick: Intervals

For each part of your complex animation (like fading, moving, or resizing), you create a CurvedAnimation. You connect all these CurvedAnimations to your single AnimationController. Use an Interval for each CurvedAnimation to define when it should run during the main controller's total duration. This lets you sequence and overlap different animation effects within one timeline, making management much simpler.

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Frequently Asked Questions

What kind of animations can I chain?

You can chain different types like fading, moving, scaling, and changing colors.

Why is using one controller better than many?

It makes managing and synchronizing multiple animation effects much easier under a single timeline.

What is an Interval used for here?

It tells a specific part of the animation when to start and stop within the total time of the single AnimationController.

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