java – Chat App for Android using a XMPP Server and Google Cloud Messaging (or the newer Firebase Cloud Messaging) for Push Notifications-ThrowExceptions

Exception or error: I’m developing a Chat App for Android. I have been reading for weeks about XMPP and Google Cloud Messaging (and Firebase Cloud Messaging) and I am still very confused. Currently, I already setup an XMPP server locally (Ejabberd) and successfully connected my Android App to it using the Smack library. To my …

android – java.lang.IllegalStateException: FirebaseApp with name [DEFAULT]-ThrowExceptions

Exception or error: I have been getting this issue.. followed the upgrade guide for new firebase sdk…saved the google services json file in app directory.. still the same error as you but for the database… Caused by: java.lang.IllegalStateException: FirebaseApp with name [DEFAULT] doesn’t exist. How to solve: Are you using Firebase Crash Reporting? You might …

android – Changing Firebase Package Name-ThrowExceptions

Exception or error: I have a app with Google Sign-In integrated with Firebase. I recently changed app package name for release purpose. and now running throwing this error: Error:Execution failed for task ‘:app:processDebugGoogleServices’. > No matching client found for package name ‘<Package Name>’ So I am guessing Firebase cant recognize app with the new package …

java – After upload a file in Android Firebase Storage how get the file download Url? getDownloadUrl() not working-ThrowExceptions

Exception or error: In my new android firebase project, I used com.google.firebase:firebase-storage:16.0.1 library. I get the following Error: I opened another project that had library firebase-storage:15.0.2 and taskSnapshot.getDownloadUrl(); which worked on that project. but after using latest dependency library it’s not working. Now, how can I get the file URL? Any way to get the …