IssueTracker

Technical information:

Jetpack Compose version: bom 2024.09.00 and more specifically compose.ui 1.7.0-alpha08

Jetpack Compose component used: onGloballyPositioned

Android Studio Build: #AI-242.23339.11.2421.12483815

Kotlin version: 2.0.20

Description :

Since version 1.7.0-alpha08 of compose.ui we observe that the behavior of the LayoutCoordinate object returned to the onGlobalyPoisitioned method no longer works as before. Indeed, before this version, when we applied an X or Y rotation, the LayoutCoordinator.windowToLocal() and LayoutCoordinator.localToWindow() methods were updated depending on the rotation. Since version 1.7.0-alpha08, rotating X or Y no longer has any impact on the values ​​returned by these methods. Note that with a Z rotation, everything works correctly.

Steps to Reproduce or Code Sample to Reproduce:

In the attached example project or in the attached video, we have isolated the behavior that is causing the problem.

In this example, we have 2 points: one green and one red.

• The red dot uses localToWindow to stay anchored to the blue frame when rotating.
• The green dot uses windowToLocal to stay fixed outside the frame by calculating its position relative to the blue frame.

As you can see on the version lower than 1.7.0-alpha08 the red dot and the green dot have the correct behavior. On the other hand, by just changing the version of compose.ui to 1.7.0-alpha08 then these two points no longer have the desired behavior and no longer seem to react to X and Y rotation whereas with a Z rotation everything is OK.

It also seems that version 1.7.0-alpha08 works as expected in API 28 and lower, and that the bug occurs from API 29 onwards.

The problem is still present in the latest version of BOM 2024.12.01

Can you help us fix this issue?