没有附加布局管理器；跳过布局

Question

码: rv = (RecyclerView) findViewById (R.id.recyclerview)；

    LinearLayoutManager linearLayoutManager = new LinearLayoutManager (this, LinearLayoutManager.VERTICAL ,false);
    CustomRVAdapter customRVAdapter = new CustomRVAdapter (getApplicationContext (),R.layout.custom_rv_row,new StudentList ().getDefaultStudentList ());
    rv.setAdapter (customRVAdapter);

访问隐藏方法Landroid/os/Trace;->traceCounter(JLjava/lang/String;I)V的错误(光线灰度表，反射)

E/RecyclerView:没有附加布局管理器；跳过布局

I/le.Ascription_：ProcessProfilingInfo new_methods=1577保存saved_to_disk=1 resolve_classes_delay=8000

Answer 1

您需要将布局管理器附加到回收商视图，如下所示：

LinearLayoutManager linearLayoutManager = new LinearLayoutManager (this, LinearLayoutManager.VERTICAL ,false);
rv.setLayoutManager(linearLayoutManager);