Mastering Firebase for Android Development

Reading the objects from Firebase

To read the object data from Firebase Realtime ValueEventListner() whenever there is an update in the database in onDatachanged callback we can read the data changes:

mDbRef.child(userId).addValueEventListener(new ValueEventListener() {    @Override    public void onDataChange(DataSnapshot dataSnapshot) {        Users user = dataSnapshot.getValue(Users.class);        Log.d(TAG, "User name: " + user.getName() + ", email " + user.getEmail());    }    @Override    public void onCancelled(DatabaseError error) {        // Failed to read value        Log.w(TAG, "Failed to read value.", error.toException());    }});

When the code is executed, it will result in fetching the data tree to your project. It is up to us how we make use of the data. 

Since we are ...