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Support for Accessibility font scaling on iOS #831

Simek opened this issue May 28, 2019 · 2 comments


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commented May 28, 2019


On iOS user can decide about globally Text Size multiplayer using Accessibility setting.

Currently system font scaling is ignored in react-native-calendars library - most of components have property allowFontScaling={false} added.

Expected Behavior

Component text scale with Accessibility setting.

Observed Behavior

No changes in Text size when Accessibility scale is used.


  React Native Environment Info:
      OS: macOS 10.14.4
      CPU: x64 Intel(R) Core(TM) i7-6700HQ CPU @ 2.60GHz
      Memory: 326.38 MB / 16.00 GB
      Shell: 3.2.57 - /bin/bash
      Node: 11.11.0 - /usr/local/bin/node
      Yarn: 1.15.2 - /usr/local/bin/yarn
      npm: 6.9.0 - /usr/local/bin/npm
      Watchman: 4.9.0 - /usr/local/bin/watchman
      iOS SDK:
        Platforms: iOS 12.2, macOS 10.14, tvOS 12.2, watchOS 5.2
      Android Studio: 3.4 AI-183.6156.11.34.5522156
      Xcode: 10.2/10E125 - /usr/bin/xcodebuild
      react: 16.8.6 => 16.8.6 
      react-native: 0.59.8 => 0.59.8 

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commented May 28, 2019

Are there any internal issues when font scaling is turned on or just UI glitches?

@ethanshar @Inbal-Tish I'll want to start working on PR for this feature if there are no known contraindications.


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commented May 28, 2019

@Simek As far as I can tell there are only UI issues, but it is worth further checking.

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