Did Not Register Exception Handlers Crashlytics Sdk Was Not Initialized
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Crashlytics
Installation and getting started with Crashlytics.
Installation
This module requires that the @react-native-firebase/app module is already setup and installed. To install the "app" module, view the Getting Started documentation.
# Install & setup the app module yarn add together @react-native-firebase/app # Install the Crashlytics module yarn add @react-native-firebase/crashlytics # If yous're developing your app using iOS, run this command cd ios/ && pod install In one case installed, you must complete the following additional setup steps for Android:
- Android Boosted Setup.
If you're using Expo, make sure to add the
@react-native-firebase/crashlyticsconfig plugin to yourapp.jsonorapp.config.js. Information technology handles the Android installation steps for you. For instructions on how to exercise that, view the Expo installation section.
If y'all're using an older version of React Native without autolinking support, or wish to integrate into an existing projection, yous can follow the manual installation steps for iOS and Android.
You may like reading a curt article we wrote that explains how to configure and most chiefly verify your crashlytics installation and then you are sure it is working. https://invertase.io/blog/react-native-firebase-crashlytics-configuration
What does it practise
Crashlytics helps you lot to collect analytics and details near crashes and errors that occur in your app. It does this through three aspects:
- Logs: Log events in your app to exist sent with the crash study for context if your app crashes.
- Crash reports: Every crash is automatically turned into a crash study and sent.
- Stack traces: Fifty-fifty when an error is caught and your app recovers, the JavaScript stack trace tin can still be sent.
To larn more, view the Firebase Crashlytics documentation.
Usage
Use the log method throughout your app to accumulate actress context for possible crashes that can happen. For additional context, Crashlytics as well offers various methods to gear up attributes for the crash report. Y'all tin can also test Crashlytics by forcing a crash through the crash method.
Crashlytics also supports sending JavaScript stack traces to the Firebase panel. This can be used in any situation where an error occurs simply is caught by your own lawmaking to recover gracefully. To send a stack trace, pass a JavaScript Fault to the recordError method.
Crash reporting is disabled by default whilst developing. To enable this, view the enable debug crash logs documentation.
Crash Attributes
At that place are various methods to set attributes for the crash report, in society to provide analytics for crashes and help y'all review them. You tin utilize set methods to prepare predefined attributes, but y'all tin can also set your ain custom attributes.
import React , { useEffect } from 'react' ; import { View , Push } from 'react-native' ; import crashlytics from '@react-native-firebase/crashlytics' ; async role onSignIn ( user ) { crashlytics ( ) . log ( 'User signed in.' ) ; await Hope . all ( [ crashlytics ( ) . setUserId (user. uid ) , crashlytics ( ) . setAttribute ( 'credits' , String (user. credits ) ) , crashlytics ( ) . setAttributes ( { function: 'admin' , followers: 'thirteen' , electronic mail: user. electronic mail , username: user. username , } ) , ] ) ; } consign default function App ( ) { useEffect ( ( ) => { crashlytics ( ) . log ( 'App mounted.' ) ; } , [ ] ) ; return ( < View > < Push title= "Sign In" onPress= { ( ) => onSignIn ( { uid: 'Aa0Bb1Cc2Dd3Ee4Ff5Gg6Hh7Ii8Jj9' , username: 'Joaquin Phoenix' , email: 'phoenix@example.com' , credits: 42 , } ) } / > < Push button championship= "Test Crash" onPress= { ( ) => crashlytics ( ) . crash ( ) } / > < / View > ) ; } Error Reports
Even if you take hold of unexpected errors, in order for your app to recover and behave smoothly you lot can notwithstanding report them through Crashlytics using the recordError method. This will also provide y'all with the associated stack trace.
import React , { useState, useEffect } from 'react' ; import { View , Text } from 'react-native' ; import crashlytics from '@react-native-firebase/crashlytics' ; const users = [ ] ; export default function App ( ) { const [userCounts, setUserCounts] = useState ( zip ) ; function updateUserCounts ( ) { crashlytics ( ) . log ( 'Updating user count.' ) ; endeavor { if (users) { // An empty array is truthy, but not actually truthful. // Therefore the array was never initialised. setUserCounts (userCounts. push button (users. length ) ) ; } } catch (error) { crashlytics ( ) . recordError (fault) ; console . log (mistake) ; } } useEffect ( ( ) => { crashlytics ( ) . log ( 'App mounted.' ) ; if (users == true ) setUserCounts ( [ ] ) ; updateUserCounts ( ) ; } , [ ] ) ; if (userCounts) { return ( < View > < Text > There are currently {userCounts[userCounts. length - i ] } users. </ Text > </ View > ) ; } return ( < View > < Text > Unable to display user data. </ Text > </ View > ) ; } Opt-out
As Crashlytics will exist sending certain information regarding the user, users may want to opt-out of the crash reporting. This can be done throughout the app with a unproblematic method telephone call to setCrashlyticsCollectionEnabled:
import React , { useState } from 'react' ; import { View , Button , Text } from 'react-native' ; import crashlytics from '@react-native-firebase/crashlytics' ; consign default office App ( ) { const [enabled, setEnabled] = useState ( crashlytics ( ) . isCrashlyticsCollectionEnabled ) ; async function toggleCrashlytics ( ) { await crashlytics ( ) . setCrashlyticsCollectionEnabled ( !enabled) . and so ( ( ) => setEnabled ( crashlytics ( ) . isCrashlyticsCollectionEnabled ) ) ; } return ( < View > < Push title = "Toggle Crashlytics" onPress = {toggleCrashlytics} /> < Button title = "Crash" onPress = { ( ) => crashlytics ( ) . crash ( ) } /> < Text > Crashlytics is currently {enabled ? 'enabled' : 'disabled' } </ Text > </ View > ) ; } firebase.json
Disable Auto Collection
Additionally, you can configure whether Crashlytics sends out any reports through the auto_collection_enabled pick in your firebase.json config. If you want users to opt-in, it is recommended that y'all disable this here and enable it later through the method once they opt-in.
// <project-root>/firebase.json { "react-native" : { "crashlytics_auto_collection_enabled" : false } } Enable debug crash logs
Because you have stack traces readily available while you lot're debugging your app, Crashlytics is disabled by default in debug style. You lot tin gear up Crashlytics to exist enabled regardless of debug mode through the debug_enabled option in your firebase.json.
// <project-root>/firebase.json { "react-native" : { "crashlytics_debug_enabled" : true } } Crashlytics NDK
React Native Firebase supports Crashlytics NDK reporting which is enabled by default. This allows Crashlytics to capture crashes originating from the Yoga layout engine used by React Native. Yous tin disable Crashlytics NDK in your firebase.json config.
// <projection-root>/firebase.json { "react-native" : { "crashlytics_ndk_enabled" : false } } Crashlytics Javascript stacktrace issue generation
React Native Crashlytics module by default installs a global javascript exception handler, and it records a crash with a javascript stack trace whatever time an unhandled javascript exception is thrown. Sometimes information technology is non desirable behavior since it might duplicate bug in combination with the default fashion of javascript global exception handler chaining. We recommend leaving JS crashes enabled and turning off exception handler chaining. Withal, if you accept special crash handling requirements, you lot may disable this behavior by setting the appropriate selection to false:
// <projection-root>/firebase.json { "react-native" : { "crashlytics_is_error_generation_on_js_crash_enabled" : false } } Crashlytics Javascript exception handler chaining
React Native Crashlytics module'southward global javascript exception handler by default chains to any previously installed global javascript exception handler later logging the crash with the javascript stack trace. In default react-native setups, this means in development you will and so see a "carmine box" and in release mode you will meet a 2nd native crash in the Crashlytics console with no javascript stack trace. These indistinguishable crash reports are probably not desirable, and the 1 from the chained handler will non accept the javascript stack trace. We recommend disabling this once Crashlytics is integrated in testing. It is enabled by default for easier initial integration testing and to be certain introducing the option was not a breaking change. You may disable exception handler chaining by setting the appropriate option to faux:
// <project-root>/firebase.json { "react-native" : { "crashlytics_javascript_exception_handler_chaining_enabled" : simulated } } Crashlytics not-fatal exceptions native handling
In example you lot need to log not-fatal (handled) exceptions on the native side (e.g from endeavor catch block), you may use the following static methods:
Android
import io.invertase.firebase.crashlytics . ReactNativeFirebaseCrashlyticsNativeHelper ; //... attempt { //... } grab ( Exception due east) { ReactNativeFirebaseCrashlyticsNativeHelper . recordNativeException (east) ; render naught ; } iOS
#import <RNFBCrashlytics/RNFBCrashlyticsNativeHelper.h> //... @endeavor { //... } @catch (NSException *exception) { NSMutableDictionary * info = [NSMutableDictionary dictionary] ; [info setValue:exception.name forKey: @"ExceptionName" ] ; [info setValue:exception.reason forKey: @"ExceptionReason" ] ; [info setValue:exception.callStackReturnAddresses forKey: @"ExceptionCallStackReturnAddresses" ] ; [info setValue:exception.callStackSymbols forKey: @"ExceptionCallStackSymbols" ] ; [info setValue:exception.userInfo forKey: @"ExceptionUserInfo" ] ; NSError *mistake = [ [NSError alloc] initWithDomain:yourdomain code:errorcode userInfo:info] ; [RNFBCrashlyticsNativeHelper recordNativeError:error] ; } 
Source: https://rnfirebase.io/crashlytics/usage
Posted by: moralesoure1974.blogspot.com
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