在数据名称中搜索 Firebase 列表视图 android

Question

您好，请帮忙！ 我有 listview 和来自 Firebase 的数据，我想添加搜索栏或 searchView 以获取来自 Firebase 数据的名称电影

This is my data in firabase

Answer 1

DatabaseReference mDatabase = FirebaseDatabase.getInstance().getReference();
DatabaseReference query = mDatabase.child("Movies");
query.orderByChild("name").startAt(searchText);
query.addListenerForSingleValueEvent(
    new ValueEventListener() {
        @Override
        public void onDataChange(DataSnapshot dataSnapshot) {
            for (DataSnapshot messageSnapshot: dataSnapshot.getChildren()) {
                String name = (String) messageSnapshot.child("name").getValue();
                Log.d("TAG", "name is :"+name);
            }
        }

        @Override
        public void onCancelled(DatabaseError databaseError) {

        }
    });

Answer 2

要解决这个问题，您需要使用如下所示的查询：

DatabaseReference rootRef = FirebaseDatabase.getInstance().getReference();
Query query = rootRef.child("Movies").orderByChild("name").startAt(name).endAt(name + "\uf8ff");
query.addListenerForSingleValueEvent(/* ... */);