I would like to fetch the users rank from by using the score that has been used in the database. I have the database as:
scores-> uid -> score
Here in the image I would like to sort the data of score in descending order,assign ranks to them (1 being the highest scorer's rank, 2 being the second and so on) and retrieve the current user's rank.
I have found solutions which help in sorting the users but how do I set their rank and find the rank of the current user is the problem.
private void getHighestScore() {
DatabaseReference databaseReference = FirebaseDatabase.getInstance().getReference().child("users");
Query query = databaseReference.orderByChild("score").limitToLast(1);
query.addValueEventListener(new ValueEventListener() {
@Override
public void onDataChange(DataSnapshot dataSnapshot) {
userlist = new ArrayList<String>();
for (DataSnapshot postSnapshot : dataSnapshot.getChildren()) {
User score = postSnapshot.getValue(User.class);
Log.d("test", " values is " + score.getName() + " " + score.getScore());
userlist.add(score.getScore()+user.getName());
}
}
@Override
public void onCancelled(DatabaseError databaseError) {
}
});
}
The above code has been used to add data to a list in a sorted manner. The problem being how to set the rank of the current user in the application
