Tag: 实时数据库

如何从Firebase数据库检索数据并将其存储在ListArray <Class>中？ – Kotlin

我在从Firebase DB检索数据时遇到了一些问题…这是我的简单代码 class Match (val teamOne: String, val teamTwo: String, val betType: String) private var database = FirebaseDatabase.getInstance() private var myRef = database.getReference() override fun onCreate(savedInstanceState: Bundle?) { super.onCreate(savedInstanceState) setContentView(R.layout.activity_main) myRef.child("matches").addValueEventListener(object : ValueEventListener { override fun onDataChange(snapshot: DataSnapshot?) { val matches = snapshot!!.children matches.forEach(){ println(it.value.toString()) } } override fun onCancelled(p0: DatabaseError?) { } }) } […]