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Solutions on the web

via GitHub by donnguyen
, 1 year ago
Unable to start activity ComponentInfo{removed.MainActivity}: java.lang.NullPointerException: No default RealmConfiguration was found. Call setDefaultConfiguration() first
via GitHub by bassosimone
, 3 months ago
Unable to start activity ComponentInfo{org.openobservatory.ooniprobe/org.openobservatory.ooniprobe.activity.MainActivity}: java.lang.IllegalStateException: Default FirebaseApp is not initialized in this process org.openobservatory.ooniprobe. Make sure to call FirebaseApp.initializeApp(Context) first.
via GitHub by daniele-athome
, 1 year ago
Unable to start activity ComponentInfo{org.kontalk/org.kontalk.ui.ConversationsActivity}: java.lang.NullPointerException
via Stack Overflow by ruitercomp
, 1 year ago
Unable to start activity ComponentInfo{br.lgfelicio/br.lgfelicio.atividades.Checkin}: java.lang.NullPointerException: No default RealmConfiguration was found. Call setDefaultConfiguration() first
via Stack Overflow by Subham Kaps
, 1 year ago
Unable to start activity ComponentInfo{com.skapsdevelopment.firebase/com.skapsdevelopment.firebase.MainActivity}: java.lang.IllegalStateException: Default FirebaseApp is not initialized in this process com.skapsdevelopment.firebase. Make sure to call FirebaseApp.initializeApp(Context) first.
via Stack Overflow by Romar Jhon Maulana
, 2 weeks ago
Unable to start activity ComponentInfo{com.bustracker.sample.myapplication/com.bustracker.sample.myapplication.MainActivity}: java.lang.IllegalStateException: Default FirebaseApp is not initialized in this process com.bustracker.sample.myapplication. Make sure to call FirebaseApp.initializeApp(Context) first.
java.lang.RuntimeException: Unable to start activity ComponentInfo{removed.MainActivity}: java.lang.NullPointerException: No default RealmConfiguration was found. Call setDefaultConfiguration() first	at android.app.ActivityThread.performLaunchActivity(ActivityThread.java:3254)	at android.app.ActivityThread.handleLaunchActivity(ActivityThread.java:3350)	at android.app.ActivityThread.access$1100(ActivityThread.java:222)	at android.app.ActivityThread$H.handleMessage(ActivityThread.java:1795)	at android.os.Handler.dispatchMessage(Handler.java:102)	at android.os.Looper.loop(Looper.java:158)	at android.app.ActivityThread.main(ActivityThread.java:7229)	at java.lang.reflect.Method.invoke(Method.java)	at com.android.internal.os.ZygoteInit$MethodAndArgsCaller.run(ZygoteInit.java:1230)	at com.android.internal.os.ZygoteInit.main(ZygoteInit.java:1120)