Custom "layout managers" for LazyColumn/Row [166591700]

Fixed

Feature Request

Status Update

No update yet.

Description

an...@google.com

created issue #1

Aug 27, 2020 11:44AM

We need reusable mechanism to provide custom "layout managers" (LazyLayout?). It will power grids, staggered grids, maybe sticky headers

Comments

an...@google.com <an...@google.com> Jun 18, 2021 03:42PM

Reassigned to po...@google.com.

ap...@google.com <ap...@google.com> #2Sep 3, 2021 07:58PM

Project: platform/frameworks/support
Branch: androidx-main
Author: Louis Pullen-Freilich <lpf@google.com>
Link: https://android-review.googlesource.com/3328184

Adds OverscrollEffect#withoutDrawing and OverscrollEffect#withoutEventHandling

Expand for full commit details

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

sp...@gmail.com <sp...@gmail.com> #3Feb 8, 2022 04:34PM

The following release(s) address this bug.It is possible this bug has only been partially addressed:

androidx.compose.foundation:foundation:1.8.0-alpha06
androidx.compose.foundation:foundation-android:1.8.0-alpha06
androidx.compose.foundation:foundation-jvmstubs:1.8.0-alpha06
androidx.compose.foundation:foundation-linuxx64stubs:1.8.0-alpha06

an...@google.com <an...@google.com> #4Feb 9, 2022 02:29PM

Work is in progress, but we can't say right now in what release it will be added. We didn't yet resolve all the api questions we have about this component

po...@google.com <po...@google.com> Feb 24, 2022 11:31AM

Reassigned to an...@google.com.

ap...@google.com <ap...@google.com> #5Apr 8, 2022 11:19AM

Marked as fixed.

Project: platform/frameworks/support
Branch: androidx-main

commit 6eb1bfa375fb0ebc9856b9c167675d775cb81fa7
Author: Andrey Kulikov <andreykulikov@google.com>
Date: Tue Mar 29 21:23:44 2022

Experimental LazyLayout

Promotes LazyLayout api from internal to experimental.

Bug: 197851917
Fixes: 166591700
Test: Added more tests for LazyLayout
Relnote: New experimental LazyLayout API is introduced. This allows to build your own components like LazyColumn of LazyVerticalGrid. Notes that the API is on its early stages and can be changed in the future releases.
Change-Id: Iba2bcf7e48fb1693c61e9e0b93e0a9e97f9ecf8c

M compose/foundation/foundation/api/public_plus_experimental_current.txt
M compose/foundation/foundation/src/androidAndroidTest/kotlin/androidx/compose/foundation/lazy/layout/LazyLayoutTest.kt
M compose/foundation/foundation/src/commonMain/kotlin/androidx/compose/foundation/lazy/layout/LazyLayoutItemsProvider.kt
M compose/foundation/foundation/src/commonMain/kotlin/androidx/compose/foundation/lazy/layout/LazyLayout.kt
M compose/foundation/foundation/src/androidMain/kotlin/androidx/compose/foundation/lazy/layout/Lazy.android.kt
M compose/foundation/foundation/src/desktopMain/kotlin/androidx/compose/foundation/lazy/layout/Lazy.desktop.kt
M compose/foundation/foundation/src/commonMain/kotlin/androidx/compose/foundation/lazy/layout/LazyLayoutMeasureScope.kt
M compose/foundation/foundation/src/commonMain/kotlin/androidx/compose/foundation/lazy/layout/LazyLayoutPrefetchState.kt

https://android-review.googlesource.com/1990431

Issue 166591700