null is not an object (evaluating 'RNGestureHandlerModule.State)

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I'm building an app in react native, everything was working fine, and everytinhg is still working fine on android emulator, but on ios emulator I keep getting this error.

It seems to be linked with stackNavigator but I don't understand why it would suddenly stop working and still working on android.

import {
  createStackNavigator, createAppContainer
} from 'react-navigation';

import TabNavigation from './NavigationScreens/TabNavigation';
import LoginScreen from './Screens/LoginScreen';

const RootStack = createStackNavigator(
  {
    LoginScreen: {
      screen: LoginScreen,
      navigationOptions :{ headerLeft: null}
    },
    TabNavigation: {
      screen: TabNavigation,
      navigationOptions :{ headerLeft: null }
    }
  },
  {
    initialRouteName: 'TabNavigation'
  }
);

const MyApp = createAppContainer(RootStack);

export default MyApp;

I installed and linked rn-gesture-handler-module as I saw it many times on solutions but it doesn't change anything.. any help ?

If you are using cocoapods, try to run:

cd ios
pod install
cd ..
react-native run-ios

How I Fixed: TypeError: 'null' is not an object (evaluating , An object is expected somewhere and wasn't provided. So, you will get null is not an object error if the DOM elements have not been created� The problem “null is not an object (Evaluating ‘NativeModules[“SQLite”][method]’)” is related to SQLite database. When I made the tutorial Example of SQLite Database in React Native everything was well but after some time when React Native version was updated, I faced this issue.

instead of setting navigationOptions:{headerLeft: null}, have you tried setting it up as, since it seems like you don't want the header:

const RootStack = createStackNavigator({
 LoginScreen : {screen: LoginScreen,},
 TabNavigation :{screen: TabNavigation,},
},{
 initialRouteName: 'TabNavigation',
 headerMode: 'none'}
);

TypeError: null is not an object (evaluating 'd.contains') � Issue #355 , Looks like there are more bugs related to the propagate function. In iOS Safari 9 and 10, it seems that the target in this line may be null, and� React native: TypeError: null is not an object (evaluating 'SplashScreen.preventAutoHide') Ask Question Asked 3 months ago. Active 21 days ago.

Not sure if you are still experiencing the issue but often cleaning the current build and building again does the trick for me after linking a module. I had the same issue on Android just now and that fixed it (again). iOS or Android shouldn't matter in this case.

Top 10 JavaScript errors from 1000+ projects (and how to avoid them), TypeError: null is not an object (evaluating. This is an error that occurs in Safari when you read a property or call a method on a null object. You� Null is not an object (evaluating 'firebase.auth().currentUser.email') : FIREBASE REACT NATIVE (EXPO) Ask Question Asked 5 days ago. Active 5 days ago.

I had the same issue on ios, I tried to init a new react-native project, installed react-navigation and react-native-gesture-handler, linked them, then the error was fixed!

I think init a new project is the fastest way to fix the issue.

JavaScript: TypeError: null is not an object - JavaScript, The specific error I get is: TypeError: null is not an object (evaluating 'document. getElementById('table').innerHTML') I am trying to use my� In JavaScript , null is not an object; and won’t work. You must provide a proper object in the given situation. We can resolve this type of issues by adding an event listener that will notify us when the page is ready.

[ReactNative][IOS]TypeError: Null is not an object (evaluating , Sometime you run yarn link and npm install after delete your node_module , but it's still not working , because your terminal yarn link not� null is not an object ( evaluating 'RNGestureHandlerModule.Direction') my project is just simple and using the latest release of react-native-gesture-handle

TypeError: null is not an object (evaluating 'A.init'), The console shows: Unhandled JS Exception: TypeError: null is not an object ( evaluating 'A.init'). Any idea what this means? Dependencies: 07-10 16:20:39.067 16011 16348 E ReactNativeJS: null is not an object (evaluating '_RNGestureHandlerModule.default.handleClearJSResponder') Copy link Quote reply dangtienngoc commented Jul 10, 2019

I get this typeerror:null is not an object(evaluating scene.props , I Get This Typeerror:null Is Not An Object(Evaluating Scene.Props)..what could I be doing wrong? import React, {Component} from "react"; import {Router} from� Warning: Can't perform a React state update on an unmounted component. This is a no-op, but it indicates a memory leak in your application. To fix, cancel all subscriptions and asynchronous tas

Comments
  • Have you tried running the project from Xcode? That usually shows different errors and can identify a problem
  • Have you linked it manually? It seems a linking problem
  • Thanks this answer helped me. I was using the react-native version 0.60.