Android: Try to setup crashlytics stack traces

.circleci/config.yml

@@ -29,6 +29,9 @@ jobs:
       - store_artifacts:
           path: build/app/outputs/apk/release/app-release.apk
           destination: gitjournal.apk
+      - run:
+          name: Upload Crashlytics Symbols
+          command: ./scripts/android_crashlytics.sh
       - run:
           name: Publish Beta
           command: cd android && fastlane betaBuild

android/app/build.gradle

@@ -108,3 +108,9 @@ dependencies {
 
 apply plugin: 'com.google.gms.google-services'
 apply plugin: 'io.fabric'
+
+crashlytics {
+    enableNdk true
+    androidNdkOut "../../debugSymbols"
+    androidNdkLibsOut "../../build/app/intermediates/transforms/stripDebugSymbol/release/0/lib"
+}

scripts/android_crashlytics.sh

@@ -0,0 +1,25 @@
+#!/usr/bin/env bash
+
+set -x
+set -eu
+
+cd "$(dirname "$0")"
+cd ../
+
+# Copy mergeJniLibs to debugSymbols
+cp -R ./build/app/intermediates/transforms/mergeJniLibs/release/0/lib debugSymbols
+
+# The libflutter.so here is the same as in the artifacts.zip found with symbols.zip
+cd debugSymbols/armeabi-v7a
+
+# Download the corresponding libflutter.so with debug symbols
+ENGINE_VERSION=$(cat $FLUTTER_HOME/bin/internal/engine.version)
+gsutil cp gs://flutter_infra/flutter/${ENGINE_VERSION}/android-arm-release/symbols.zip .
+
+# Replace libflutter.so
+unzip -o symbols.zip
+rm -rf symbols.zip
+
+# Upload symbols to Crashlytics
+cd ../../android
+./gradlew crashlyticsUploadSymbolsRelease