How to install Crashlytics on Android?

Integrating Crashlytics with your Android app requires careful attention to detail. Whether you’re transitioning from Fabric or starting fresh, these additional steps ensure a seamless integration. From removing Fabric artifacts to configuring Gradle tools, follow these instructions closely for a smooth Crashlytics setup.

How to install Crashlytics on Android?

Additional Steps for Integrating Crashlytics with Android

If you’re transitioning from Fabric, it’s crucial to remove the fabric.properties file from your Android project. Neglecting this step could mean missing out on crash reports displayed on the Firebase console.

For those using Expo, ensure you include the @react-native-firebase/crashlytics config plugin in your app.json or app.config.js file. This plugin conveniently handles the installation steps for you. Refer to the Expo installation section for detailed instructions.

Adding Firebase Crashlytics Gradle Tools

These steps are vital for preventing potential startup crashes with the error message: “The Crashlytics build ID is missing.”

1. Add the Google Repository: If not already present, include the following line in the android/build.gradle file:

buildscript {
    repositories {
        google()
    }
}

2. Include the Firebase Crashlytics Plugin Dependency: Add the dependency to the android/build.gradle file:

buildscript {
    dependencies {
        classpath 'com.google.firebase:firebase-crashlytics-gradle:2.9.9'
    }
}

3. Apply the Firebase Crashlytics Plugin to Your App: Apply the com.google.firebase.crashlytics plugin by adding the following line at the top of your android/app/build.gradle file:

apply plugin: 'com.google.firebase.crashlytics'

Make sure to place it after the apply plugin: 'com.google.gms.google-services' line.

4. Enable Crashlytics NDK Reporting (Optional): To capture Native Development Kit crashes, include the firebaseCrashlytics block in the android/app/build.gradle file:

android {
    buildTypes {
        release {
            firebaseCrashlytics {
                nativeSymbolUploadEnabled true
                unstrippedNativeLibsDir 'build/intermediates/merged_native_libs/release/out/lib'
            }
        }
    }
}

5. Rebuild the Project: After completing the above steps, rebuild your Android project using:

npx react-native run-android

Ensuring these steps are followed will facilitate a smooth integration of Crashlytics into your Android app.

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Information in Table format

Step	Description
Remove fabric.properties File	If transitioning from Fabric, delete the fabric.properties file from your Android project to avoid missing crash reports in the Firebase console.
Include @react-native-firebase/crashlytics Plugin	For Expo users, ensure the inclusion of the @react-native-firebase/crashlytics config plugin in app.json or app.config.js, simplifying installation steps. Refer to Expo installation section for detailed guidance.
Add Google Repository	Ensure the presence of the Google repository in android/build.gradle file by including the google() line within the repositories block under buildscript.
Include Firebase Crashlytics Dependency	Add the dependency classpath 'com.google.firebase:firebase-crashlytics-gradle:2.9.9' to the dependencies block in android/build.gradle file within the buildscript.
Apply Firebase Crashlytics Plugin	Apply the com.google.firebase.crashlytics plugin at the top of android/app/build.gradle file, ensuring it follows the apply plugin: 'com.google.gms.google-services' line.
Enable Crashlytics NDK Reporting (Optional)	Optionally, for capturing Native Development Kit crashes, add the firebaseCrashlytics block within the buildTypes block in android/app/build.gradle file.
Rebuild the Project	Once all steps are completed, rebuild your Android project using npx react-native run-android command.

FAQs: Integrating Crashlytics with Android

Q: Why is it crucial to remove the fabric.properties file when transitioning from Fabric to Crashlytics?

A: Removing the fabric.properties file ensures a seamless transition and allows Crashlytics to properly capture and report crashes in your Android app. Neglecting this step may result in missing crash reports on the Firebase console.

Q: How can Expo users integrate Crashlytics into their Android projects?

A: Expo users can easily integrate Crashlytics by adding the @react-native-firebase/crashlytics config plugin to their app.json or app.config.js file. This plugin handles the installation steps automatically, simplifying the process. Detailed instructions can be found in the Expo installation section.

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Q: What are the vital steps for adding Firebase Crashlytics Gradle tools to an Android project?

A: The following steps are essential for preventing potential startup crashes and ensuring a smooth integration of Crashlytics:

1. Add the Google Repository: Ensure the presence of the Google repository in the android/build.gradle file.
2. Include the Firebase Crashlytics Plugin Dependency: Add the necessary dependency to the android/build.gradle file.
3. Apply the Firebase Crashlytics Plugin to Your App: Apply the com.google.firebase.crashlytics plugin to the android/app/build.gradle file.
4. Enable Crashlytics NDK Reporting (Optional): Include the firebaseCrashlytics block in the android/app/build.gradle file to capture Native Development Kit crashes.
5. Rebuild the Project: After completing the above steps, rebuild the Android project using the command: npx react-native run-android.

Q: Why is it important to place the Firebase Crashlytics plugin application line after the Google services plugin in the android/app/build.gradle file?

A: Placing the Firebase Crashlytics plugin application line after the Google services plugin ensures proper configuration and prevents potential conflicts. This sequence allows for smooth integration and accurate crash reporting in the Android app.