react / react/react-native

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

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#45,522 5 comments 0 reactions 0 assignees View on GitHub

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Issue: Author Provided Repro Platform: Android
Dominant language
C++
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Forks
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Avg merge
1d 23h
Merged PRs (30d)
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Description

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

Contributor guide

Open the contributing guide

First steps

  1. Read the whole issue, then the project's contributing guide.
  2. Comment on the issue to say you are picking it up — it saves two people doing the same work.
  3. Fork the repository and make your change on a branch.
  4. Open a pull request that references the issue number.

Research direction

Start by running the linked android-composer-reproducer with React Native 0.74.3 and exercise a controlled multiline TextInput on Android. Trace the TextInput behavior from the reproduction and verify that existing text remains visible immediately after inserting a new line, without requiring another character.

Written by the indexing model from the issue text.

Assessment

Tech stack
react-native
Domain
mobile
Issue type
Bug
Difficulty
4/5
Estimated time
3-5 days
Activity status
Stale
Clarity
Mostly clear
Newbie friendliness
42/100

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