我在 Fragment 中有一个 listView 并且工作正常。现在我正在尝试做一个自定义 listView 但我找不到。 simple_list_item_1 工作正常,但列表项不起作用。
@Override
public void onActivityCreated(Bundle savedInstanceState) {
// TODO Auto-generated method stub
super.onActivityCreated(savedInstanceState);
ListView mListView = (ListView)getActivity().findViewById(R.id.list);
//mArrayAdapter = new ArrayAdapter<String>(getContext(), android.R.layout.simple_list_item_1, android.R.id.text1, songs);
mArrayAdapter = new ArrayAdapter<String>(getContext(), android.R.layout.list_item, android.R.id.text1, songs);
mListView.setAdapter(mArrayAdapter);
}
错误
error: cannot find symbol
mArrayAdapter = new ArrayAdapter<String>(getContext(), android.R.layout.list_item, android.R.id.text1, songs);
^
符号:变量list_item
最佳答案
try this if there is no crash and your list view in not creating,
重写onViewCreated()
并在其中声明listview
并使用view
而不是getActivity()
像这样
ListView mListView = (ListView)view.findViewById(R.id.list);
和
mArrayAdapter = new ArrayAdapter<String>(getActivity(), android.R.layout.list_item, android.R.id.text1, songs);
将代码复制并粘贴到此处
@Override
public void onViewCreated(@NonNull View view, @Nullable Bundle savedInstanceState) {
super.onViewCreated(view, savedInstanceState);
ListView mListView = (ListView)view.findViewById(R.id.list);
//mArrayAdapter = new ArrayAdapter<String>(getContext(), android.R.layout.simple_list_item_1, android.R.id.text1, songs);
mArrayAdapter = new ArrayAdapter<String>(getActivity(), android.R.layout.list_item, android.R.id.text1, songs);
mListView.setAdapter(mArrayAdapter);
}
关于java - Fragment 中的自定义 listView。未找到布局,我们在Stack Overflow上找到一个类似的问题: https://stackoverflow.com/questions/62002171/