Fix crash

app/src/leanback/java/com/fongmi/android/tv/ui/custom/CustomVerticalGridView.java

@@ -7,6 +7,7 @@ import android.view.View;
 
 import androidx.annotation.NonNull;
 import androidx.annotation.Nullable;
+import androidx.fragment.app.FragmentActivity;
 import androidx.leanback.widget.OnChildViewHolderSelectedListener;
 import androidx.leanback.widget.VerticalGridView;
 import androidx.recyclerview.widget.RecyclerView;
@@ -15,6 +16,8 @@ import com.fongmi.android.tv.R;
 
 import java.util.Arrays;
 import java.util.List;
+import java.util.Objects;
+import java.util.stream.Collectors;
 
 public class CustomVerticalGridView extends VerticalGridView {
 
@@ -48,8 +51,8 @@ public class CustomVerticalGridView extends VerticalGridView {
         });
     }
 
-    public void setHeader(View... views) {
-        this.views = Arrays.asList(views);
+    public void setHeader(FragmentActivity activity, int... layoutIds) {
+        if (activity != null) views = Arrays.stream(layoutIds).mapToObj(id -> (View) activity.findViewById(id)).filter(Objects::nonNull).collect(Collectors.toList());
     }
 
     public void setMoveTop(boolean moveTop) {

app/src/leanback/java/com/fongmi/android/tv/ui/fragment/CollectFragment.java

@@ -77,8 +77,8 @@ public class CollectFragment extends BaseFragment implements CustomScroller.Call
         CustomSelector selector = new CustomSelector();
         selector.addPresenter(ListRow.class, new CustomRowPresenter(16), VodPresenter.class);
         mBinding.recycler.setAdapter(new ItemBridgeAdapter(mAdapter = new ArrayObjectAdapter(selector)));
-        mBinding.recycler.setHeader(requireActivity().findViewById(R.id.result), requireActivity().findViewById(R.id.recycler));
         mBinding.recycler.addOnScrollListener(mScroller = new CustomScroller(this));
+        mBinding.recycler.setHeader(getActivity(), R.id.result, R.id.recycler);
         mBinding.recycler.setVerticalSpacing(ResUtil.dp2px(16));
     }
 
@@ -105,7 +105,7 @@ public class CollectFragment extends BaseFragment implements CustomScroller.Call
     }
 
     public void addVideo(List<Vod> items) {
-        if (checkLastSize(items) || getActivity() == null || requireActivity().isFinishing()) return;
+        if (checkLastSize(items) || getActivity() == null || getActivity().isFinishing()) return;
         List<ListRow> rows = new ArrayList<>();
         for (List<Vod> part : Lists.partition(items, Product.getColumn())) {
             mLast = new ArrayObjectAdapter(new VodPresenter(this));

app/src/leanback/java/com/fongmi/android/tv/ui/fragment/TypeFragment.java

@@ -131,7 +131,7 @@ public class TypeFragment extends BaseFragment implements CustomScroller.Callbac
         selector.addPresenter(ListRow.class, new CustomRowPresenter(16), VodPresenter.class);
         selector.addPresenter(ListRow.class, new CustomRowPresenter(8, FocusHighlight.ZOOM_FACTOR_NONE, HorizontalGridView.FOCUS_SCROLL_ALIGNED), FilterPresenter.class);
         mBinding.recycler.setAdapter(new ItemBridgeAdapter(mAdapter = new ArrayObjectAdapter(selector)));
-        mBinding.recycler.setHeader(requireActivity().findViewById(R.id.recycler));
+        mBinding.recycler.setHeader(getActivity(), R.id.recycler);
         mBinding.recycler.setVerticalSpacing(ResUtil.dp2px(16));
     }