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Project: platform/frameworks/support
Branch: androidx-main
Author: Louis Pullen-Freilich <
Link:
Adds OverscrollEffect#withoutDrawing and OverscrollEffect#withoutEventHandling
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Adds OverscrollEffect#withoutDrawing and OverscrollEffect#withoutEventHandling
These APIs allow overscroll to have events dispatched to it by one component, and rendered in a separate component.
Fixes: b/266550551
Fixes: b/204650733
Fixes: b/255554340
Fixes: b/229537244
Test: OverscrollTest
Relnote: "Adds OverscrollEffect#withoutDrawing and OverscrollEffect#withoutEventHandling APIs - these APIs create a wrapped instance of the provided overscroll effect that doesn't draw / handle events respectively, which allows for rendering overscroll in a separate component from the component that is dispatching events. For example, disabling drawing the overscroll inside a lazy list, and then drawing the overscroll separately on top / elsewhere."
Change-Id: Idbb3d91546b49c1987a041f959bce4b2b09a9f61
Files:
- M
compose/foundation/foundation/api/current.txt - M
compose/foundation/foundation/api/restricted_current.txt - M
compose/foundation/foundation/integration-tests/foundation-demos/src/main/java/androidx/compose/foundation/demos/OverscrollDemo.kt - M
compose/foundation/foundation/samples/src/main/java/androidx/compose/foundation/samples/OverscrollSample.kt - M
compose/foundation/foundation/src/androidInstrumentedTest/kotlin/androidx/compose/foundation/OverscrollTest.kt - M
compose/foundation/foundation/src/commonMain/kotlin/androidx/compose/foundation/Overscroll.kt
Hash: f64e25b7a473c757d080521e7dd97b3f6670f60d
Date: Fri Nov 01 18:43:56 2024
Description
Snapshot: 12284019
It looks like velocity is not used in pane expansion so, regardless of how fast you fling, it will animate to the nearest anchor the moment the pointer up happens. It would be nice to take into account the velocity for both the animation and deciding the anchor to move to.
Attached is an example with anchors at 0, 25%, 50%, 75%, and 100%. It shows that you can carefully drag to either end and it works as expected but flings just stop abruptly at the nearest point.