tools:node
"remove"
<provider android:name="com.google.firebase.provider.FirebaseInitProvider" android:authorities="${applicationId}.firebaseinitprovider" tools:node="remove" />
<manifest xmlns:android="http://schemas.android.com/apk/res/android" xmlns:tools="http://schemas.android.com/tools" package="your.package" >
FirebaseOptions.Builder builder = new FirebaseOptions.Builder() .setApplicationId("1:0123456789012:android:0123456789abcdef") .setApiKey("your_api_key") .setDatabaseUrl("https://your-app.firebaseio.com") .setStorageBucket("your-app.appspot.com"); FirebaseApp.initializeApp(this, builder.build());