recycleView的item，TV正确方式获取焦点，以及刷新界面

• 如果你正需要recycleView的焦点

•         GlobalScope.launch (Dispatchers.Main){
  //            layout.isVisible = true
              settingBinding.rootLayout.isVisible = true
              settingBinding.rvSettingTab.layoutManager?.scrollToPosition(itemPositionSelect)
              if(!GlobalVariable.isTouchMode){
                  LogUtils.i(TAG,"--------------焦点-itemPositionSelect:${itemPositionSelect}")
                  delay(100)
                  val viewHolder:SettingTabAdapter.ItemHolder = settingBinding.rvSettingTab.findViewHolderForAdapterPosition(itemPositionSelect) as SettingTabAdapter.ItemHolder
                  LogUtils.i(TAG,"--------------viewHolder-获取到焦点")
                  viewHolder.itemView.requestFocus()
              }
          }