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

        // hide status bar
        HiLog.debug(LABEL, "添加窗口标志，全屏模式，隐藏状态栏和面板可以扩展到屏幕之外。");
        this.getWindow().addFlags(WindowManager.LayoutConfig.MARK_ALLOW_EXTEND_LAYOUT);
        this.getWindow().addFlags(WindowManager.LayoutConfig.MARK_FULL_SCREEN);

        // adapt orientation
        //0:PORTRAIT，1：LANDSCAPE
        int orientation = getResourceManager().getConfiguration().direction;
        HiLog.debug(LABEL, "从资源管理配置中获取方向：%{public}s ，加载布局文件", orientation==0?"PORTRAIT":"LANDSCAPE");
        if (orientation == Configuration.DIRECTION_HORIZONTAL) {
            super.setUIContent(ResourceTable.Layout_land_main);
        } else {
            super.setUIContent(ResourceTable.Layout_port_main);
        }
    }
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@Override
    protected void onOrientationChanged(AbilityInfo.DisplayOrientation displayOrientation) {
        super.onOrientationChanged(displayOrientation);

        if (displayOrientation == AbilityInfo.DisplayOrientation.LANDSCAPE) {
            HiLog.debug(LABEL, "手机方向发生改变，变为：%{public}s ，重新加载布局文件", "LANDSCAPE");

            setUIContent(ResourceTable.Layout_land_main);
        } else {
            HiLog.debug(LABEL, "手机方向发生改变，变为：%{public}s ，重新加载布局文件", "PORTRAIT");

            setUIContent(ResourceTable.Layout_port_main);
        }
    }

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