我创建了一个 RecyclerView 并在片段中添加了卡片。我想通过单击 CardView 中的不同卡片来打开不同的活动。但我只能为所有卡片打开相同的活动。我在 StackOverFlow 中搜索了不同的答案。但我不能't。你能告诉我如何解决这个问题吗...？如果你能给出完整的代码，我很高兴。
这是我的代码...
PDFFragment.java
public class PDFFragment extends Fragment {
View v;
List<Pdf> listBook;
public View onCreateView(@NonNull LayoutInflater inflater, @Nullable ViewGroup container, @Nullable Bundle savedInstanceState) {
v= inflater.inflate(R.layout.fragment_pdf,container,false);
listBook = new ArrayList<>();
listBook.add(new Pdf("1-pdf name",R.drawable.pdf1image));
listBook.add(new Pdf("2-pdf name",R.drawable.pdf2image));
listBook.add(new Pdf("3-pdf name",R.drawable.pdf3image));
listBook.add(new Pdf("4-pdf name",R.drawable.pdf4image);
listBook.add(new Pdf("5-pdf name",R.drawable.pdf5image));
listBook.add(new Pdf("6-pdf name",R.drawable.pdf6image));
listBook.add(new Pdf("7-pdf name",R.drawable.pdf7image));
RecyclerView myTV= (RecyclerView) v.findViewById(R.id.recyclerview_id);
RecyclerViewAdapterPDF myAdapter = new RecyclerViewAdapterPDF(getActivity(),listBook);
//Part 1 -Start Changing number of columns
myTV.setLayoutManager(new GridLayoutManager(getActivity(),calculateNoOfColumns(getActivity())));
//Part 1 -End Changing …