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MainActivity에 Button과 A RecyclerView가 있습니다. 내가 버튼을 사용하여 데이터 바인딩 이벤트를 작성할 때까지 잘 작동하는 데이터로 리사이클을 사용하여 recyclerView를 채 웠습니다. 이제 버튼이 작동하지만 데이터가 recyclerView에서 사라졌습니다!리사이클 러 뷰가있을 때 버튼에서 데이터 바인딩이 올바르게 작동하지 않습니다.
activity_main.xml
<?xml version="1.0" encoding="utf-8"?>
<layout xmlns:android="http://schemas.android.com/apk/res/android"
xmlns:tools="http://schemas.android.com/tools"
tools:context="com.aminmemariani.apps.supportrequest.MainActivity">
<data>
<variable name="onReqCall" type="com.aminmemariani.apps.supportrequest.MainActivity"/>
</data>
<RelativeLayout
android:layout_width="match_parent"
android:layout_height="match_parent">
<android.support.v7.widget.RecyclerView
android:id="@+id/recyclerView"
android:layout_width="match_parent"
android:layout_height="match_parent"
android:layout_above="@+id/addNewReq"
android:layout_alignParentStart="true"
android:scrollbars="vertical"
tools:listitem="@layout/raw_request"
android:layout_alignParentLeft="true" />
<Button
android:id="@+id/addNewReq"
android:layout_width="wrap_content"
android:layout_height="wrap_content"
android:layout_alignParentBottom="true"
android:layout_alignParentEnd="true"
android:layout_alignParentStart="true"
android:layout_margin="10dp"
android:background="@drawable/gradient"
android:onClick="@{() -> onReqCall.onNewReqClick()}"
android:text="+"
android:textColor="@android:color/background_light"
android:textSize="24sp"
android:textStyle="bold"
android:layout_alignParentRight="true"
android:layout_alignParentLeft="true" />
</RelativeLayout>
</layout>
내가 확인했다 MainActivity.java
public class MainActivity extends AppCompatActivity {
private RecyclerView recyclerView;
private RecyclerAdapter recyclerAdapter;
private List<Request> requests;
@Override
protected void onCreate(Bundle savedInstanceState) {
super.onCreate(savedInstanceState);
setContentView(R.layout.activity_main);
recyclerView = findViewById(R.id.recyclerView);
recyclerView.setLayoutManager(new LinearLayoutManager(this));
recyclerView.setHasFixedSize(true);
ApiInterface apiInterface = ApiClient.getApiClient().create(ApiInterface.class);
Call<List<Request>> call = apiInterface.getRequests();
call.enqueue(new Callback<List<Request>>() {
@Override
public void onResponse(@NonNull Call<List<Request>> call, @NonNull Response<List<Request>> response) {
requests = response.body();
recyclerAdapter = new RecyclerAdapter(MainActivity.this, requests);
recyclerView.setAdapter(recyclerAdapter);
}
@Override
public void onFailure(@NonNull Call<List<Request>> call, @NonNull Throwable t) {}
});
ActivityMainBinding binding = DataBindingUtil.setContentView(this, R.layout.activity_main);
binding.setOnReqCall(this);
}
public void onNewReqClick(){
Dialog dialog = new Dialog(MainActivity.this);
dialog.setContentView(R.layout.new_request);
dialog.setCanceledOnTouchOutside(true);
dialog.show();
}
}
. 데이터 바인딩 부분에 주석을 추가하면 데이터가 RecyclerView로 돌아갑니다. 참고 : RecyclerView에는 간단한 TextView가 포함되어 있습니다.
요점이 있습니다. 감사 –