Remove Specific value From Firebase Database

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执念已碎
执念已碎 2020-12-07 04:54

I want to Delete Specific value from Firebase Database following is Database which i have stored

Now, I want to Delete Fol

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  •  情书的邮戳
    2020-12-07 05:51

    Instead of using addListenerForSingleValueEventtry using addChildEventListener as below,

    Query queryRef = mReference.child("demo").orderByChild("fname").equalTo("John");
    
    queryRef.addChildEventListener(new ChildEventListener() {
        @Override
        public void onChildAdded(DataSnapshot snapshot, String previousChild) {
          snapshot.getRef().setValue(null);
        }
    });
    

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