react / react/react-native

Android - Composer - Previous text is cut off after creating next line

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Issue: Author Provided Repro Platform: Android
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描述

Description

When the TextInput component is controlled and the multiline prop is set to true, the text gets cut off after writing some text and adding a new line. However, when a new character is added, the text displays correctly.

Steps to reproduce
  1. Add a TextInput
  2. set the value prop and onChangeText
  3. set as true the multiline prop
  4. Add some text
  5. Add a new line, tapping the Enter button on the keyboard
  6. The text is cut off
React Native Version

0.74.3

Affected Platforms

Runtime - Android

Output of npx react-native info
System:
  OS: macOS 13.6.7
  CPU: (10) arm64 Apple M1 Pro
  Memory: 41.83 MB / 16.00 GB
  Shell:
    version: "5.9"
    path: /bin/zsh
Binaries:
  Node:
    version: 20.14.0
    path: ~/.nvm/versions/node/v20.14.0/bin/node
  Yarn:
    version: 1.22.22
    path: /opt/homebrew/bin/yarn
  npm:
    version: 10.7.0
    path: ~/.nvm/versions/node/v20.14.0/bin/npm
  Watchman:
    version: 2023.11.27.00
    path: /opt/homebrew/bin/watchman
Managers:
  CocoaPods:
    version: 1.15.2
    path: /Users/eduardograciano/.gem/bin/pod
SDKs:
  iOS SDK:
    Platforms:
      - DriverKit 22.4
      - iOS 16.4
      - macOS 13.3
      - tvOS 16.4
      - watchOS 9.4
  Android SDK: Not Found
IDEs:
  Android Studio: 2022.3 AI-223.8836.35.2231.10671973
  Xcode:
    version: 14.3.1/14E300c
    path: /usr/bin/xcodebuild
Languages:
  Java:
    version: 17.0.10
    path: /usr/bin/javac
  Ruby:
    version: 2.7.5
    path: /Users/eduardograciano/.rbenv/shims/ruby
npmPackages:
  "@react-native-community/cli": Not Found
  react: Not Found
  react-native: Not Found
  react-native-macos: Not Found
npmGlobalPackages:
  "*react-native*": Not Found
Android:
  hermesEnabled: false
  newArchEnabled: false
iOS:
  hermesEnabled: true
  newArchEnabled: true
Stacktrace or Logs
-
Reproducer

https://github.com/gedu/android-composer-reproducer

Screenshots and Videos

https://github.com/user-attachments/assets/67a44e6e-c8bc-470a-b29b-48b7846b1d36

Screenshot 2024-07-18 at 15 56 24

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。

调研方向

首先使用 React Native 0.74.3 运行链接的 android-composer-reproducer,并在 Android 上操作一个受控的多行 TextInput。根据复现过程跟踪 TextInput 的行为,并验证插入新行后现有文本会立即保持可见,而不需要再输入另一个字符。

由索引模型根据 Issue 内容生成。

评估

技术栈
react-native
领域
mobile
Issue 类型
缺陷
难度
4/5
预计耗时
3-5 天
活跃度
停滞
描述清晰度
基本清楚
新手友好度
42/100

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