react / react/react-native

Borders with opacity and border radius don't work on Android

未关闭
#49,606 8 条评论 0 个 reaction 已指派 1 人 在 GitHub 查看

@jorge-cab 已经在做这个了。

开始于 2025年2月26日。

Issue: Author Provided Repro Platform: Android Type: Unsupported Version
主要语言
C++
星标
127k
派生
25.3k
平均合并
1 天 23 小时
30 天内合并 PR
4

描述

Description

There's a problem with the border on android when using a borderColor with some level of transparency. Not only that, but when combining it with any level of borderRadius turns into another problem.

The borders seem to be one over another when using transparency, this results in weird edges with a different color.
Then when adding borderRadius to the element, instead of the border being over the background, it grows outside of the element, so the transparency of the border will be merged with the background color of the container instead of the one on the element.

Steps to reproduce
  1. Add borderWidth and a borderColor with opacity (like rgba(0, 0, 0, 0.5) or #00000066) to a View.
  2. Add any borderRadius value to the View.
React Native Version

0.74.3

Affected Platforms

Runtime - Android

Output of npx @react-native-community/cli info
System:
  OS: macOS 15.3
  CPU: (12) arm64 Apple M2 Pro
  Memory: 90.14 MB / 16.00 GB
  Shell:
    version: "5.9"
    path: /bin/zsh
Binaries:
  Node:
    version: 20.17.0
    path: ~/.volta/tools/image/node/20.17.0/bin/node
  Yarn:
    version: 1.22.22
    path: ~/.volta/tools/image/yarn/1.22.22/bin/yarn
  npm:
    version: 10.8.2
    path: ~/.volta/tools/image/node/20.17.0/bin/npm
  Watchman:
    version: 2024.12.02.00
    path: /opt/homebrew/bin/watchman
Managers:
  CocoaPods:
    version: 1.16.2
    path: /opt/homebrew/bin/pod
SDKs:
  iOS SDK:
    Platforms:
      - DriverKit 24.2
      - iOS 18.2
      - macOS 15.2
      - tvOS 18.2
      - visionOS 2.2
      - watchOS 11.2
  Android SDK:
    API Levels:
      - "31"
      - "34"
      - "35"
    Build Tools:
      - 34.0.0
      - 35.0.0
    System Images:
      - android-35 | Google Play ARM 64 v8a
    Android NDK: Not Found
IDEs:
  Android Studio: 2024.1 AI-241.18034.62.2412.12266719
  Xcode:
    version: 16.2/16C5032a
    path: /usr/bin/xcodebuild
Languages:
  Java:
    version: 17.0.11
    path: /Applications/Android Studio.app/Contents/jbr/Contents/Home/bin/javac
  Ruby:
    version: 2.6.10
    path: /usr/bin/ruby
npmPackages:
  "@react-native-community/cli": Not Found
  react:
    installed: 18.2.0
    wanted: 18.2.0
  react-native:
    installed: 0.74.3
    wanted: 0.74.3
  react-native-macos: Not Found
npmGlobalPackages:
  "*react-native*": Not Found
Android:
  hermesEnabled: true
  newArchEnabled: false
iOS:
  hermesEnabled: true
  newArchEnabled: false
Stacktrace or Logs
NA
Reproducer

https://snack.expo.dev/@ldiaz-occ/border-error-on-android

Screenshots and Videos
Image

贡献指南

打开贡献指南

从这里开始

  1. 先读完整个 Issue,再读项目的贡献指南。
  2. 在 Issue 下留言说明你要接手 —— 这能避免两个人做同样的事。
  3. Fork 仓库,在一个分支上完成修改。
  4. 提交 Pull Request,并在描述里引用这个 Issue 编号。

评估

这个 Issue 还没有评估数据。

把新 issue 发到你的邮箱

精选适合新手参与的 GitHub issue 摘要。