com.firebaseui:firebase-ui-auth needs an upgrade

[amazingvoice]

Removing Credentials API in play-services-auth 21.0.0 breaks the code. It seems the newest com.firebaseui:firebase-ui-auth version 8.0.2 wasn't adjust for the change.

The crash stacktrace is as follows:

FATAL EXCEPTION: main Process: com.google.firebase.codelab.friendlychat, PID: 16298 java.lang.NoClassDefFoundError: Failed resolution of: Lcom/google/android/gms/auth/api/credentials/CredentialsOptions$Builder; at com.firebase.ui.auth.util.GoogleApiUtils.getCredentialsClient(GoogleApiUtils.java:29) at com.firebase.ui.auth.viewmodel.AuthViewModelBase.onCreate(AuthViewModelBase.java:30) at com.firebase.ui.auth.viewmodel.ViewModelBase.init(ViewModelBase.java:24) at com.firebase.ui.auth.KickoffActivity.onCreate(KickoffActivity.java:38) at android.app.Activity.performCreate(Activity.java:8305) at android.app.Activity.performCreate(Activity.java:8284) at android.app.Instrumentation.callActivityOnCreate(Instrumentation.java:1417) at android.app.ActivityThread.performLaunchActivity(ActivityThread.java:3626) at android.app.ActivityThread.handleLaunchActivity(ActivityThread.java:3782) at android.app.servertransaction.LaunchActivityItem.execute(LaunchActivityItem.java:101) at android.app.servertransaction.TransactionExecutor.executeCallbacks(TransactionExecutor.java:135) at android.app.servertransaction.TransactionExecutor.execute(TransactionExecutor.java:95) at android.app.ActivityThread$H.handleMessage(ActivityThread.java:2307) at android.os.Handler.dispatchMessage(Handler.java:106) at android.os.Looper.loopOnce(Looper.java:201) at android.os.Looper.loop(Looper.java:288) at android.app.ActivityThread.main(ActivityThread.java:7872) at java.lang.reflect.Method.invoke(Native Method) at com.android.internal.os.RuntimeInit$MethodAndArgsCaller.run(RuntimeInit.java:548) at com.android.internal.os.ZygoteInit.main(ZygoteInit.java:936) Caused by: java.lang.ClassNotFoundException: Didn't find class "com.google.android.gms.auth.api.credentials.CredentialsOptions$Builder" on path: DexPathList[[dex file "/data/data/com.google.firebase.codelab.friendlychat/code_cache/.overlay/base.apk/classes4.dex", zip file "/data/app/~~L54qakZHHuiRLHkqjgYStg==/com.google.firebase.codelab.friendlychat-3tZsrpx2dhiiLQdJwdAmbw==/base.apk"],nativeLibraryDirectories=[/data/app/~~L54qakZHHuiRLHkqjgYStg==/com.google.firebase.codelab.friendlychat-3tZsrpx2dhiiLQdJwdAmbw==/lib/x86_64, /system/lib64, /system_ext/lib64]] at dalvik.system.BaseDexClassLoader.findClass(BaseDexClassLoader.java:259) at java.lang.ClassLoader.loadClass(ClassLoader.java:379) at java.lang.ClassLoader.loadClass(ClassLoader.java:312) at com.firebase.ui.auth.util.GoogleApiUtils.getCredentialsClient(GoogleApiUtils.java:29)  at com.firebase.ui.auth.viewmodel.AuthViewModelBase.onCreate(AuthViewModelBase.java:30)  at com.firebase.ui.auth.viewmodel.ViewModelBase.init(ViewModelBase.java:24)  at com.firebase.ui.auth.KickoffActivity.onCreate(KickoffActivity.java:38)  at android.app.Activity.performCreate(Activity.java:8305)  at android.app.Activity.performCreate(Activity.java:8284)  at android.app.Instrumentation.callActivityOnCreate(Instrumentation.java:1417)  at android.app.ActivityThread.performLaunchActivity(ActivityThread.java:3626)  at android.app.ActivityThread.handleLaunchActivity(ActivityThread.java:3782)  at android.app.servertransaction.LaunchActivityItem.execute(LaunchActivityItem.java:101)  at android.app.servertransaction.TransactionExecutor.executeCallbacks(TransactionExecutor.java:135)  at android.app.servertransaction.TransactionExecutor.execute(TransactionExecutor.java:95)  at android.app.ActivityThread$H.handleMessage(ActivityThread.java:2307)  at android.os.Handler.dispatchMessage(Handler.java:106)  at android.os.Looper.loopOnce(Looper.java:201)  at android.os.Looper.loop(Looper.java:288)  at android.app.ActivityThread.main(ActivityThread.java:7872)  at java.lang.reflect.Method.invoke(Native Method)  at com.android.internal.os.RuntimeInit$MethodAndArgsCaller.run(RuntimeInit.java:548)  at com.android.internal.os.ZygoteInit.main(ZygoteInit.java:936)