There was a problem rendering the error view configuration callback for the RCTModalHostView component - it must be a function, but it was received as 'undefined'

Working on a mobile application in React Native, specifically using Expo SDK version ~51.0.18 for development.

The project involves utilizing the Expo router to manage all routing within the app.

Now, I'm looking to implement a new SDK called Lean tech for bank connection in the GCC region which requires the use of the react-native-webview package.

Following the tutorial guidelines meticulously:

import React, {useRef} from 'react';
import { View, StyleSheet, Text, Image } from 'react-native';
import { Button, useTheme} from 'react-native-paper';
// @ts-ignore
import LinkSDK from "lean-react-native";

const Screen: React.FC = () => {
 
  const theme = useTheme();
  const styles = createStyles(theme);
  const Lean = useRef(null)

  return (
      <View style={styles.container}>

          <LinkSDK
              ref={Lean}
              appToken="xxxxxx-6e5e-xxxx-xx58-bx6xd9fxxxxx"
              version="@latest"
              country="ArabEmirates"
              sandbox
          />
          <Button style={styles.button} mode="contained" textColor="#013511"  onPress={() => Lean.current.connect({ customer_id: "xxxxxxx" })}>
              Link Bank Account
          </Button>


      </View>
  );
};

However, when attempting to establish a connection by clicking on the button, an error is encountered: https://i.sstatic.net/0vIdtMCY.png

Seeking clarification whether this issue stems from the usage of Expo or if additional setups or linking procedures are required? Note that Pod install instructions were not followed as testing is conducted on an android device.

Answer №1

If you're experiencing webview crash problems on Android, take a look at this documentation for helpful insights

Answer №2

Is there a partially open-source library available for review? It seems like there could be an issue with the modal host view interacting with the webview component.

  1. Experiment with different ways the modal is rendered in react-native to potentially alter the trace of the problem.
  • Explore this link for presentation options
  • Try running the app without being within a navigation screen, as it might exhibit different behavior.
  • Debug using a step debugger.
  1. Attempt debugging the native crash.
  • In Android Studio, utilize the step debugger tool.
  • Add a pause on exceptions.
  • It should halt when trying to load the component.
  • If not, locate their package in node_modules and inspect their assets. You may have to decompile their app to pinpoint the source of the issue. At this point...consider inquiring about open sourcing or asking them questions directly.

The next step would be reaching out to them since their code appears to be closed source.

  • You can politely request that they publish their UI components and native source code.
  • Detail the problem you are experiencing, including your react-native and expo versions.
  • Remember, React Native projects thrive on community contributions and feedback to ensure SDK health.

When dealing with react-native error messages, sharing the console output is more helpful than simply showcasing red screens or warning messages.

Answer №3

There is a potential solution available, though its effectiveness is uncertain. Consider implementing React.forwardRef if necessary. In certain scenarios, utilizing React.forwardRef may help guarantee that the ref is accurately passed down to the native component.

const LinkSDKRef = React.forwardRef((props, ref) => (
  <LinkSDK {...props} ref={ref} />
));
<LinkSDKRef
  ref={Lean}
  appToken="xxxxxx-6e5e-xxxx-xx58-bx6xd9fxxxxx"
  version="@latest"
  country="ArabEmirates"
  sandbox
/>;

Answer №4

A big thank you to all those who offered their input to assist me in resolving this issue. After delving into the SDK and making adjustments to both the Modal and webview code as suggested by @fengeljardt, I was able to identify and address a compatibility glitch between the modal host view and the webview component caused by Expo.

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