Question

CustomGrid是我的GridView适配器，MainGrid是我要在其中显示GridView的片段。我做到了这一点，但它没有用。我该怎么办？

@Override
        public View onCreateView(LayoutInflater inflater, ViewGroup container,
                                 Bundle savedInstanceState) {

            View view = inflater.inflate(R.layout.main_xml, container, false);

            CustomGrid adapter = new CustomGrid(MainGrid.this, web, imageId);

            GridView grid = (GridView) view.findViewById(R.id.grid);
            grid.setAdapter(adapter);

            toolbar = (Toolbar)view.findViewById(R.id.fab_toolbar);

            setupToolbar();

            return view;
        }

Answer 1

你做错了是，你正在向适配器发送片段的上下文，这是错误的。试试这个

Activity act;

在onCreateView

act = getActivity();

然后

CustomGrid adapter = new CustomGrid(act, web, imageId);

希望这有帮助

在android片段中显示GridView

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