Firestore get DocumentSnapshot's field's value

Question

If I have a Firebase Firestore database which I have retrieved a DocumentSnapshot for the document corresponding to the collection on the right and stored in a

Answer 1

you can use get method to get value of a field

String username = (String) document.get("username");  //if the field is String
Boolean b = (Boolean) document.get("isPublic");       //if the field is Boolean
Integer i = (Integer) document.get("age")             //if the field is Integer

checkout the doc for DocumentSnapshot