NoClassDefFoundError: com.google.firebase.FirebaseOptions

J'obtiens toujours le NoClassDefFoundError sur d'autres appareil de test (4.4.2) que j'utilise. Mais fonctionne très bien sur mon test de l'appareil (Android 5.1).

J'ai essayé les solutions que j'ai cherché sur google et rien ne semble fonctionner.

Je suis l'aide de Firebase en temps réel de la Base de données. Quelqu'un peut-il aider s'il vous plaît?

Voici le log d'erreur:

06-03 01:36:29.607 2655-2655/mobapps.mypersonal.biz.grouptracker E/dalvikvm: Could not find class 'com.google.firebase.FirebaseOptions', referenced from method com.google.firebase.FirebaseApp.<init> 06-03 01:36:29.617 2655-2655/mobapps.mypersonal.biz.grouptracker E/dalvikvm: Could not find class 'com.google.firebase.FirebaseApp$zzb', referenced from method com.google.firebase.FirebaseApp.zzaJ 06-03 01:36:29.621 2655-2655/mobapps.mypersonal.biz.grouptracker E/dalvikvm: Could not find class 'com.google.firebase.FirebaseApiNotAvailableException', referenced from method com.google.firebase.FirebaseApp.getToken 06-03 01:36:29.629 2655-2655/mobapps.mypersonal.biz.grouptracker E/dalvikvm: Could not find class 'com.google.firebase.FirebaseApp$zza', referenced from method com.google.firebase.FirebaseApp.zza 06-03 01:36:29.639 2655-2655/mobapps.mypersonal.biz.grouptracker E/AndroidRuntime: FATAL EXCEPTION: main
Process: mobapps.mypersonal.biz.grouptracker, PID: 2655
java.lang.NoClassDefFoundError: com.google.firebase.FirebaseOptions
at com.google.firebase.FirebaseApp.zzbu(Unknown Source)
at com.google.firebase.provider.FirebaseInitProvider.onCreate(Unknown Source)
at android.content.ContentProvider.attachInfo(ContentProvider.java:1656)
at android.content.ContentProvider.attachInfo(ContentProvider.java:1627)
at com.google.firebase.provider.FirebaseInitProvider.attachInfo(Unknown Source)
at android.app.ActivityThread.installProvider(ActivityThread.java:5079)
at android.app.ActivityThread.installContentProviders(ActivityThread.java:4653)
at android.app.ActivityThread.handleBindApplication(ActivityThread.java:4593)
at android.app.ActivityThread.access$1500(ActivityThread.java:151)
at android.app.ActivityThread$H.handleMessage(ActivityThread.java:1402)
at android.os.Handler.dispatchMessage(Handler.java:110)
at android.os.Looper.loop(Looper.java:193)
at android.app.ActivityThread.main(ActivityThread.java:5363)
at java.lang.reflect.Method.invokeNative(Native Method)
at java.lang.reflect.Method.invoke(Method.java:515)
at com.android.internal.os.ZygoteInit$MethodAndArgsCaller.run(ZygoteInit.java:828)
at com.android.internal.os.ZygoteInit.main(ZygoteInit.java:644)
at dalvik.system.NativeStart.main(Native Method)

source d'informationauteur sirking1991