Mesh Gradients in Compose 1.12

[riggaroo]

No description provided.

[snippet-bot]

Here is the summary of changes.

You are about to add 4 region tags.

• compose/snippets/src/main/java/com/example/compose/snippets/graphics/MeshGradientSnippets.kt:45, tag android_compose_graphics_mesh_gradient_basic
• compose/snippets/src/main/java/com/example/compose/snippets/graphics/MeshGradientSnippets.kt:71, tag android_compose_graphics_mesh_gradient_control_points
• compose/snippets/src/main/java/com/example/compose/snippets/graphics/MeshGradientSnippets.kt:107, tag android_compose_graphics_mesh_gradient_complex
• compose/snippets/src/main/java/com/example/compose/snippets/graphics/MeshGradientSnippets.kt:179, tag android_compose_graphics_mesh_gradient_animation

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[gemini-code-assist]

Code Review

This pull request introduces new Jetpack Compose snippets demonstrating the usage of MeshGradientPainter for basic, control-point-based, complex, and animated mesh gradients. It also updates the Compose BOM version to an alpha release (2026.05.01) and bumps the compileSdk version to 37 in the wearcompanion module. Regarding the feedback, an issue was identified in the MeshGradientAnimation snippet where the gradientPainter is remembered without any keys while capturing the animatedOffset state. This will prevent the painter from updating during the animation, keeping the gradient static. It is recommended to pass animatedOffset as a key to remember.

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[gemini-code-assist]

The gradientPainter is remembered without any keys, but its builder block captures and reads the animatedOffset state. Because remember without keys only runs once during initial composition, the painter will not be recreated or updated when animatedOffset changes, causing the gradient to remain completely static. Adding animatedOffset as a key to remember ensures the painter is updated/recreated as the animation progresses.

Suggested change

	val gradientPainter = remember {
	val gradientPainter = remember(animatedOffset) {

[kkuan2011]

Changes look good, except one question:

[kkuan2011]

is it okay move the whole repo to alpha?

[riggaroo]

@kkuan2011 no, will leave this as a branch until we are good to go with a stable version :)

[kkuan2011]

ok sounds good :) I'll assume no action needed for now then