我设置 RecyclerViewAdapter 时遇到一些问题
我收到错误
java.lang.NullPointerException:尝试调用虚拟方法 'android.content.Context android.support.v4.app.FragmentActivity.getApplicationContext()' 上 空对象引用
排队
mLayoutManager = new LinearLayoutManager(getActivity().getApplicationContext());
如何解决
for (ProfileFeedListModelTwo.PostBean.PollBean pollBean : pp){
pollBeanArrayList.add(pollBean);}
adapDetailTopicPoll = new AdapDetailTopicPoll(pollBeanArrayList,getContext());
mLayoutManager = new LinearLayoutManager(getActivity().getApplicationContext());
recyclerView.setLayoutManager(mLayoutManager);
recyclerView.setItemAnimator(new DefaultItemAnimator());
recyclerView.setAdapter(adapDetailTopicPoll);
只用这个 mLayoutManager = new LinearLayoutManager(getActivity());如果您在活动中编写此代码,则使用 getApplicationContext()