[animations] Adds CompositeAnimatedWidget to ensure shape of entering and exiting subtree are the same.#141

Closed

grinder15 wants to merge 12 commits into

flutter:masterfrom

grinder15:fix/transition-widgets-child-state-creation

Commits on May 17, 2020

* State object of child in transition widgets preserves when transitioning

grinder15
authored and
Jerome Arenas
committed
Reformat Code

grinder15
authored and
Jerome Arenas
committed
CompositeAnimationWidget revised, removes animation flipping logic.

grinder15
authored and
Jerome Arenas
committed
CompositeAnimationWidget is now public.

grinder15
authored and
Jerome Arenas
committed
[animations] Added key parameter to CompositeAnimationWidget

grinder15
authored and
Jerome Arenas
committed
[animations] Added test for CompositeAnimationWidget

grinder15
authored and
Jerome Arenas
committed
[animations] fixing Cirrus checks for CompositeAnimationWidget tests

grinder15
authored and
Jerome Arenas
committed
[animations] Documentation cleanup for CompositeAnimationWidget

grinder15
authored and
Jerome Arenas
committed
[animations] flipping reverseBuilder animation of CompositeAnimationWidget

grinder15
authored and
Jerome Arenas
committed
[animations] Re-modeling transition widgets since CompositeAnimationWidget.reverseBuilder runs 0.0 to 1.0

grinder15
authored and
Jerome Arenas
committed
[animations] Fixing test failures for CompositeAnimationWidget.reverseBuilder changes

grinder15
authored and
Jerome Arenas
committed
[animations] added tests for FadeScaleTransition, FadeThroughTransition, and SharedAxisTransition

grinder15
authored and
Jerome Arenas
committed