react / react/react-native

[iOS] Toggling `secureTextEntry` prop causes cursor to jump to the end of TextInput

Open
#38,676 12 comments 1 reaction 0 assignees View on GitHub

Nobody has claimed this yet.

Component: TextInput Issue: Author Provided Repro Needs: Attention Newer Patch Available Platform: iOS Resolution: PR Submitted
Dominant language
C++
Stars
127k
Forks
25.3k
Avg merge
1d 23h
Merged PRs (30d)
4

Description

Description

In iOS, when the secureTextEntry prop is toggled while the TextInput is focused, the cursor position always jumps to the end of the input no matter what the previous position was.

React Native Version

0.71.2

Output of npx react-native info

System:
OS: macOS 13.4.1
CPU: (10) arm64 Apple M1 Pro
Memory: 89.78 MB / 32.00 GB
Shell: 5.9 - /bin/zsh
Binaries:
Node: 16.15.1 - ~/.nvm/versions/node/v16.15.1/bin/node
Yarn: 1.22.15 - ~/.nvm/versions/node/v16.15.1/bin/yarn
npm: 8.11.0 - ~/.nvm/versions/node/v16.15.1/bin/npm
Watchman: Not Found
Managers:
CocoaPods: Not Found
SDKs:
iOS SDK:
Platforms: DriverKit 22.4, iOS 16.4, macOS 13.3, tvOS 16.4, watchOS 9.4
Android SDK:
API Levels: 28, 29, 30, 31, 32, 33
Build Tools: 28.0.3, 30.0.3, 33.0.0
System Images: android-31 | Android TV ARM 64 v8a, android-31 | Google APIs ARM 64 v8a, android-32 | Google Play ARM 64 v8a, android-33 | Google APIs ARM 64 v8a
Android NDK: 21.3.6528147
IDEs:
Android Studio: 2022.1 AI-221.6008.13.2211.9514443
Xcode: 14.3.1/14E300c - /usr/bin/xcodebuild
Languages:
Java: 17.0.8 - /usr/bin/javac
npmPackages:
@expensify/react-native: 0.71.2-alpha.3
@react-native-community/cli: Not Found
react: 18.2.0 => 18.2.0
react-native: Not Found
react-native-macos: Not Found
npmGlobalPackages:
react-native: Not Found

Steps to reproduce
  1. Write something on a TextInput, in iOS
  2. Move the cursor position to a different position
  3. Toggle secureTextEntry
  4. Notice that the cursor jumped to the end of the input
Snack, screenshot, or link to a repository

Snack: https://snack.expo.dev/IL4nCHYAQ

Demo:
https://github.com/facebook/react-native/assets/48553277/afd61900-bcd6-47d2-9d38-120c3611e885

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 Snack on iOS and reproduce the cursor jump while toggling secureTextEntry on a focused TextInput. Then trace the iOS TextInput implementation and its selection handling; done means the cursor remains at its previous position after the prop changes.

Written by the indexing model from the issue text.

Assessment

Tech stack
ios, react-native
Domain
mobile
Issue type
Bug
Difficulty
4/5
Estimated time
3-5 days
Activity status
Stale
Clarity
Mostly clear
Newbie friendliness
45/100

Get new issues in your inbox

A short digest of beginner-friendly GitHub issues.