Unavailable BlendModes Not Properly Marked with @RequiresApi Annotation [341518630]

Obsolete

Bug

[AOSP] assigned

Status Update

No update yet.

Description

we...@gmail.com

created issue #1

May 19, 2024 03:56PM

Description:

When developing with the Android Graphics API, certain BlendMode constants that are unavailable on Android 28 and below are not properly annotated with @RequiresApi. This lack of annotation causes developers to be unaware of the differences between Android 29+ and 28-, leading to potential runtime visual differences or unexpected behavior when these constants are used on devices running older versions of Android.

Steps to Reproduce:

Create a new Android project.
Attempt to use BlendMode constants that are only available on Android 29+ (e.g., BlendMode.DIFFERENCE).
Compile and run the application on a device or emulator running Android 28 or below.

Expected Behavior:

The IDE should provide a compile-time warning or error, indicating that the BlendMode constant requires API level 29, thus making developers aware of the API level requirement.

Actual Behavior:

No warning or error is provided, leading to potential runtime crashes or incorrect rendering behavior on devices running Android 28 or below.

Suggested Fix:

Properly annotate BlendMode constants that are unavailable on Android 28 and below with @RequiresApi(29), ensuring that developers are informed about the API level requirements at compile time or add support for older APIs.

Comments

vi...@google.com <vi...@google.com> May 20, 2024 08:42AM

Assigned to vi...@google.com.

vi...@google.com <vi...@google.com> #2May 20, 2024 09:47AM

We have shared this with our product and engineering team and will update this issue with more information as it becomes available.

ra...@gmail.com <ra...@gmail.com> #3Dec 31, 2024 02:45PM

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vi...@google.com <vi...@google.com> #4Mar 11, 2025 11:15AM

Status: Won't Fix (Obsolete)

Thank you for your feedback. We assure you that we are doing our best to address all issues reported. For now, we will be closing the issue as won't fix obsolete. If this issue currently still exists, we request that you log a new issue along with the bug report here https://goo.gl/TbMiIO and reference this bug for context.