读取 firebase 文档并将数据复制到 dart 列表中

Question

How can I read the data of my Firebase document and put the data in a local list/array?

my firebase docs

Answer 1

To get all data from Firestore.

FirebaseFirestore.instance
        .collection("users")
        .get()
        .then((value) {
      print(value.docs);
      for (var element in value.docs) {
        print(element.id);// you will get all ids here
        
      }
    });

If you want to upload one particular data from Firestore.

FirebaseFirestore.instance
        .collection("users")
        
        .where("uid",
            isEqualTo: 'your_uid')
        .get()
        .then((value) {
      print(value.docs);
      for (var element in value.docs) {
        print(element.id); // single id of that collection
        
      }
    });

Answer 2

I have tried this once.... check if this is the same u looking for

List<String> list=[];
    final snapshot = await FirebaseFirestore.instance
        .collection("users").get();

    for(int x=0;x<snapshot.docs.length;x++)
      {
        list.add(snapshot.docs[x].id);
      }
    print(list);