private void addToleft(int selectedIndex){
		
		if(rightChannels.size()==0)
		{
			showTips("左移出错！");
			return;
		}
		
		int viewIndex=selectedIndex;
		int dataIndex=rightChannels.get(selectedIndex);
		
		ChannelBean selectedItem = mConfig.projectList.get(selectedProjectIndex).channelList.get(dataIndex);
		boolean bl = isItemSelected(dataIndex);
		if(!bl)
		{
			showTips("没有该项，请检查错误");
			return;
		}
		else if(selectedItem!=null)
		{
			rightChannels.remove(Integer.valueOf(dataIndex));
			leftChannels.add(Integer.valueOf(dataIndex));
			
			channelRightList.remove(viewIndex);
			channelLeftList.add(String.format("%s(%s)", selectedItem.channelId, selectedItem.channelName));
			printChannels();
		}
		else
		{
			showTips("左移出错，请检查错误先！");
		}
	}