import ohos.agp.components.*;
import ohos.agp.utils.Rect;
import ohos.agp.window.service.Display;
import ohos.agp.window.service.DisplayManager;

public class MyAbilitySlice extends AbilitySlice {

    @Override
    public void onStart(Intent intent) {
        super.onStart(intent);
        super.setUIContent(ResourceTable.Layout_main);

        // 获取DirectionalLayout组件
        DirectionalLayout directionalLayout = (DirectionalLayout) findComponentById(ResourceTable.Id_directionalLayout);

        // 创建ScrollHelper对象
        ScrollHelper scrollHelper = new ScrollHelper(getContext());

        // 设置滚动监听器
        scrollHelper.setScrollListener(new ScrollListener() {
            @Override
            public void onScrollChanged(Component component, int scrollX, int scrollY, int oldScrollX, int oldScrollY) {
                // 处理滚动事件
                // 这里可以根据滚动的偏移量执行相应的操作
            }
        });

        // 将ScrollHelper与DirectionalLayout关联
        scrollHelper.setView(directionalLayout);

        // 设置DirectionalLayout可滚动
        directionalLayout.setScroller(scrollHelper);

        // 获取设备屏幕信息
        Display display = DisplayManager.getInstance().getDefaultDisplay(getContext());
        Rect rect = new Rect();
        display.getRectSize(rect);

        // 设置DirectionalLayout的布局范围
        directionalLayout.setBoundary(rect);
    }
}