I tried to follow the officiall upgrade documentation, but after I changed every related lines in gradle files I got this error:
A problem occurred evaluating project ':app'. Failed to apply plugin [id 'com.google.firebase.crashlytics'] Could not set unknown property 'obfuscatorVersion' for object of type com.google.firebase.crashlytics.buildtools.gradle.CrashlyticsExtension.
These are the Firebase versions:
firebaseCrashlytics = '17.0.1'
firebaseAnalytics = '17.4.3'
Other related dependencies:
classpath 'com.android.tools.build:gradle:3.6.3'
classpath 'com.google.gms:google-services:4.3.3'
classpath 'com.google.firebase:firebase-crashlytics-gradle:2.1.1'
If I comment out this line:
apply plugin: 'com.google.firebase.crashlytics'
everything is working fine... I can't upgrade to gradle 4.0.0 because DexGuard doesn't support it.