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Firebase列表适配器构造器错误

Firebase列表适配器构造器错误

梵蒂冈之花 2019-11-04 12:42:44
我创建了一个显示聊天消息的函数,遵循了教程,并且查看了Firebase列表适配器的文档,但是无论我做什么,都会出现此错误:Error:(98, 19) error: constructor FirebaseListAdapter in class FirebaseListAdapter<T> cannot be applied to given types; required: FirebaseListOptions<ChatMessage>found: Chat,Class<ChatMessage>,int,DatabaseReferencereason: actual and formal argument lists differ in lengthwhere T is a type-variable:T extends Object declared in class FirebaseListAdapter这是我的代码:private void displayChatMessage() {    ListView listOfMessage = (ListView)findViewById(R.id.list_of_messages);    FirebaseRecyclerOptions<ChatMessage> options =            new FirebaseRecyclerOptions.Builder<ChatMessage>()                    .setQuery(query, ChatMessage.class)                    .build();    adapter = new FirebaseListAdapter<ChatMessage, Holder>(options){        @Override        protected void populateView(View v, ChatMessage model, int position) {            //Get references to the views of list_item.xml            TextView messageText, messageUser, messageTime;            messageText = (TextView) v.findViewById(R.id.message_text);            messageUser = (TextView) v.findViewById(R.id.message_user);            messageTime = (TextView) v.findViewById(R.id.message_time);            messageText.setText(model.getMessageText());            messageUser.setText(model.getMessageUser());            messageTime.setText(DateFormat.format("dd-MM-yyyy (HH:mm:ss)", model.getMessageTime()));        }    };    listOfMessage.setAdapter(adapter);}
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