CODEWITHSUNDEEP
javaandroidfirebasefirebase-realtime-database
ISpam Ossama
ISpam Ossama

Reputation: 71

Need help reading data from firebase

Can someone help me and attach a code snippet that can read "Temperature" data from firebase ?

log: 2019-03-30 15:41:14.959 1354-2862/guc.thermometer.mark10R I/DynamiteModule: Considering local module com.google.android.gms.firebase_database:4 and remote module com.google.android.gms.firebase_database:6 2019-03-30 15:41:14.959 1354-2862/guc.thermometer.mark10R I/DynamiteModule: Selected remote version of com.google.android.gms.firebase_database, version >= 6

I tried this code, but it didn't work .

myRef = FirebaseDatabase.getInstance().getReference().getRoot();
myRef.addValueEventListener(new ValueEventListener() {
    @Override
    public void onDataChange(@NonNull DataSnapshot dataSnapshot) {
        String name = dataSnapshot.child("Temprature").getValue().toString();
        tvinfo.setText(name);
    }

    @Override
    public void onCancelled(@NonNull DatabaseError databaseError) {

    }
});

Upvotes: 0

Views: 95

Answers (1)

Barcode
Barcode

Reputation: 970

try something like this:

DatabaseReference reference = FirebaseDatabase.getInstance().getReference();
Query query = reference.child("thermometer/Temperature");
query.addListenerForSingleValueEvent(new ValueEventListener() {
        @Override
        public void onDataChange(DataSnapshot dataSnapshot) {
            if (dataSnapshot.exists()) {
                String temp = dataSnapshot.getvalue.toString()    
            }
        }

        @Override
        public void onCancelled(DatabaseError databaseError) {
           //display error msg
        }

Upvotes: 1

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