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Starting point is this guide - React Native Section (not expo).

In contrary to Android there is nothing more to do than to follow these instructions.

Microsoft App Center

npm install appcenter appcenter-analytics appcenter-crashes --save-exact

Run pod install from iOS directory to install CocoaPods dependencies.

Open Xcode and create a new file with the name AppCenter-Config.plist with the following content:

<?xml version="1.0" encoding="UTF-8"?>
<!DOCTYPE plist PUBLIC "-//Apple//DTD PLIST 1.0//EN" "">
<plist version="1.0">

Modify the app's AppDelegate.m file to include code for starting SDK: Add these lines to import section above the #if DEBUG:

#import <AppCenterReactNative.h>
#import <AppCenterReactNativeAnalytics.h>
#import <AppCenterReactNativeCrashes.h>

Add these lines to the didFinishLaunchingWithOptions method:

[AppCenterReactNative register];
[AppCenterReactNativeAnalytics registerWithInitiallyEnabled:true];
[AppCenterReactNativeCrashes registerWithAutomaticProcessing];

Resolve Symbols

Once you generate a crash you will see that some symbols could not be resolved (see Unsymbolicated tab). To resolve these copy the UUID you see to your clipboard and execute this command in a terminal in your project: mdfind "com_apple_xcode_dsym_uuids == ID-IN-YOUR-CLIPBOARD", e.g. mdfind "com_apple_xcode_dsym_uuids == A1FCE8A4-E9F4-3A7A-B0FB-01A6B22E7443".

This command will point you to the location of the file with this UUID. E.g. /Users/alexej/Library/Developer/Xcode/DerivedData/InflationCalc-czbuidxmdqkftrcihjfzbahlddxp/Build/Products/Debug-iphonesimulator/ Now you have to compress and upload that file ( to App Center. Afterwards you will see that the crash got resolved correctly.