public static class CustomSplashFragment extends AbstractSplashFragment {
    private ImageView iconView;
    private TextView appName;
    private ProgressBar loadingView;
    private TextView desc;

    @Nullable
    @Override
    public View onCreateView(@NonNull LayoutInflater inflater, 
                             @Nullable ViewGroup container,
                             @Nullable Bundle savedInstanceState) {
        View view = inflater.inflate(R.layout.fragment_custom_splash, container, false);
        initView(view);
        return view;
    }

    private void initView(View view) {
        iconView = view.findViewById(R.id.iv_icon);
        appName = view.findViewById(R.id.tv_name);
        loadingView = view.findViewById(R.id.loading_view);
        desc = view.findViewById(R.id.tv_desc);
    }

    @Override
    public void updateLoadingInfo(SplashEntryInfo info) {
        if (info == null) {
            return;
        }
        ImageUtils.loadImage(info.iconUrl, new ImageListener() {
            @Override
            public void onImage(Bitmap bitmap) {
                iconView.setImageBitmap(bitmap);
            }
        });
        appName.setText(info.appName);
        desc.setText(info.desc);
        loadingView.setVisibility(View.VISIBLE);
    }

    @Override
    public void showError(String code, String message) {
        loadingView.setVisibility(View.GONE);
        desc.setText(message + "(" + code + ")");
    }

    @Override
    public void exit() {
        loadingView = null;
    }
}

<?xml version="1.0" encoding="utf-8"?>
<RelativeLayout xmlns:android="http://schemas.android.com/apk/res/android"
  android:orientation="vertical" android:layout_width="match_parent"
  android:layout_height="match_parent"
  android:layout_centerInParent="true">
        <ImageView
      android:layout_width="100dp"
      android:layout_height="100dp"
      android:id="@+id/iv_icon"
      android:layout_centerHorizontal="true"
      />

    <TextView
      android:layout_width="wrap_content"
      android:layout_height="wrap_content"
      android:layout_centerHorizontal="true"
      android:id="@+id/tv_name"
      android:layout_below="@id/iv_icon"
      android:layout_marginTop="10dp"
      />

    <TextView
      android:layout_width="wrap_content"
      android:layout_height="wrap_content"
      android:id="@+id/tv_desc"
      android:layout_below="@id/tv_name"
      android:layout_marginTop="10dp"
      android:layout_centerHorizontal="true"/>

    <ProgressBar
      android:id="@+id/loading_view"
      android:layout_width="wrap_content"
      android:layout_height="wrap_content"
      style="@style/Widget.AppCompat.ProgressBar"
      android:layout_centerHorizontal="true"
      android:layout_below="@id/tv_desc"
      android:layout_marginTop="10dp"/>
</RelativeLayout>

public class CustomSplashViewExtension implements GriverSplashFragmentExtension {
    @Override
    public AbstractSplashFragment createSplashFragment() {
        return new CustomSplashFragment();
    }
}

Griver.registerExtension(new GriverExtensionManifest(GriverSplashFragmentExtension.class, new CustomSplashViewExtension()));

abstract class AbstractSplashFragment extends Fragment {
    public abstract void updateLoadingInfo(SplashEntryInfo info);
    public void updateProgress(SplashEntryInfo info) {}
    public abstract void showError(String code, String message);
    public abstract void exit();
    public void reload() {
        if (listener != null) {
            listener.onReload();
        }
    }
}

public interface GriverSplashFragmentExtension extends GriverExtension {
    AbstractSplashFragment createSplashFragment();
}