Paywall error when setting fontFamily option

[vendramini]

• I have updated Purchases SDK to the latest version
• I have read the Contribution Guidelines
• I have searched the Community
• I have read docs.revenuecat.com
• I have searched for existing Github issues

Describe the bug
Showing Paywall gives an error if fontFamily option is set. This wasn't happening some days ago. I think that it has started after I updated Expo from 51 to 52 - I'm unsure, I had to update so many libraries and I figure out this error today. I tried downgrading react-native-purchases-ui to previous versions (which I knew it was working) but still erroring. If I remove it, it works.

import RevenueCatUI from 'react-native-purchases-ui';

<RevenueCatUI.Paywall
  options={{
    fontFamily: fontFamily.Poppins_300Light,
  }}
/>

1. Environment
   1. Platform: Expo
   2. SDK version: 8.5.0
   3. OS version: macOS Sequoia 15.2
   4. Xcode/Android Studio version: Android Studio Koala 2024.1.1
   5. React Native version: 0.76.5
   6. SDK installation (CocoaPods + version or manual):
   7. How widespread is the issue. Percentage of devices affected.
2. Debug logs that reproduce the issue
3. Steps to reproduce, with a description of expected vs. actual behavior
4. Other information (e.g. stacktraces, related issues, suggestions how to fix, links for us to have context, eg. stackoverflow, etc.)

Additional context
Add any other context about the problem here.

[RCGitBot]

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[kmurphy-rc]

Hey @vendramini,
Sorry for the delay here! If this was working properly prior to upgrading Expo to 51, could you try (if you haven't already) re-running npx react-native-asset to ensure that your font families are added to the native components?

[colaquecez]

Same issue here using expo 52,

  "react-native-purchases": "^8.5.2",
    "react-native-purchases-ui": "^8.5.2",

[daklin2]

Hi there @colaquecez @vendramini ,
Experiencing same issue on Android Expo v52 and purchases v8.6.0.

As it seems issue overall with options props of RevenueCatUI.Paywall, I would say somewhere in between of RN and Native.
I managed to just use presentPaywall instead, but if you absolutely need to work with component - you can make small changes on native side and make a patch for library to persist them. (works fine in mine case as well)

Component which you would need to update - PaywallViewManager.
Mine example with close button:

// PaywallViewManager \\
...
 override fun createViewInstance(themedReactContext: ThemedReactContext): PaywallView {
        return PaywallView(themedReactContext).also { view ->
            view.setPaywallListener(createPaywallListenerWrapper(themedReactContext, view))
            view.setDismissHandler(getDismissHandler(themedReactContext, view))

            // New code
            view.setDisplayDismissButton(true) // as example, to display dismiss button instead of using options
            view.setFontProvider(customFontProvider) // to manage fonts 
        }
    }
...