-- 截屏
-- callback = function(fullPath, fileName)
function ScreenShot(callback)
	local dateNow = os.date("*t", os.time())
	local timeString = string.format("%04d-%02d-%02d-%02d%-02d-%02d-%03d", dateNow.year, dateNow.month, dateNow.day, dateNow.hour, dateNow.min, dateNow.sec, math.random(100, 999));
	local fileName = "screenshot_"..tostring(timeString)..".jpg"
	local filePath = cc.FileUtils:getInstance():getWritablePath()..fileName
	
	cc.FileUtils:getInstance():screenToFile(filePath, function(ret)
		if 1 == tonumber(ret) then	
			if callback then
				callback(filePath, fileName)
			end
		else
			if callback then
				callback()
			end
		end
	end );	
end

-- 截屏并展示给玩家看
function showScreenShot()
	ScreenShot(function(fullPath, fileName) 
		if fullPath and fileName then
			local view = import("luaScript.Views.Room.ScreenView"):new(fileName)
			view:setAnchorPoint(cc.p(0.5, 0.5))
			app:showWaitDialog(view)
		else
			showTooltip("截图失败");
		end
	end)
end