All 7 Implicit vs Explicit Animations questions
More in Implicit vs Explicit Animations
What are implicit animations in Flutter, and how do widgets such as AnimatedContainer and AnimatedOpacity let you achieve a genuinely smooth animation with genuinely minimal required code? What are explicit animations in Flutter, and why might you genuinely need to use one instead of simply relying entirely on a considerably simpler implicit animation widget? How does the specific curve parameter available on both implicit and explicit animations genuinely let you meaningfully control the actual pacing and overall feel of a given animation, beyond simply relying entirely on a plain, constant linear speed? How can you properly convert a piece of code originally written using an implicit animation over to using an explicit animation instead, once your particular given animation's own requirements have genuinely grown considerably more complex over time? How does the TweenAnimationBuilder widget genuinely let you achieve a considerably more custom implicit animation effect, without actually needing to fully write out an entirely separate fully custom implicit animation widget class completely from scratch yourself? What are the genuine practical performance tradeoffs of using several separate simpler implicit animations compared to using one single, considerably more complex coordinated explicit animation for a genuinely elaborate combined multi part visual effect?
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Flutter › Implicit vs Explicit Animations

How do you properly and correctly manage several separate implicit animations together within exactly the same single widget, ensuring each individual one properly and correctly animates completely independently as its own genuinely underlying separate value actually changes?

Intermediate

Answer

A single given widget can genuinely include several genuinely completely separate implicit animation widgets nested together, such as combining an AnimatedContainer for size changes together with a completely separate AnimatedOpacity for a fade effect, and each individual one genuinely animates itself completely independently based on its own particular underlying tracked value, without genuinely needing any explicit direct coordination between them, though genuinely careful attention should still be paid to ensure their respective specific durations and curves feel visually cohesive and properly work well together as one single combined overall visual effect for the user.
AnimatedOpacity(
  opacity: isVisible ? 1 : 0,
  duration: Duration(milliseconds: 300),
  child: AnimatedContainer(
    duration: Duration(milliseconds: 300),
    width: isExpanded ? 200 : 100,
  ),
)
Real-world example A notification card combines a fading AnimatedOpacity together with a resizing AnimatedContainer, both configured with exactly matching durations, creating one single genuinely cohesive combined animation effect where the card fades in while smoothly expanding at exactly the very same time.

Common follow-ups: What genuinely happens if these separate nested implicit animations are given genuinely different, mismatched durations from one another?;At what specific point would combining several separate implicit animations like this actually genuinely become more difficult to properly manage than simply switching over to one single unified explicit animation instead?

Flutter Animations Basics;Custom Widgets & Reusable Components
All 7 Implicit vs Explicit Animations questions