White screen

require "ads"
require "googleplay"
 
GameOver = gideros.class(Sprite)
 
INTERSTITIAL = 1
VIDEO = 2
BANNER = 4
BANNER_BOTTOM = 8
BANNER_TOP = 16
BANNER_CENTER = 32
ALL = 127
ANY = 127
 
function GameOver:init(t)
	appodeal = Ads.new("appodeal")
	appodeal:setKey("")
 
	GameOver:initializeGameSprites(self)
end
 
function GameOver:initializeGameSprites(self)
	fontLarge = TTFont.new("GROBOLD.ttf", 24)
 
	self:addChild(Bitmap.new(Texture.new("GameBG.png")))
 
	local imgGameOverBackdrop = Bitmap.new(Texture.new("GameOver.png"))
	imgGameOverBackdrop:setPosition(10, 5)
	self:addChild(imgGameOverBackdrop)
 
	local GameOver = TextField.new(fontLarge, "Your Score")
	centreAt(GameOver, 160, 150)
	GameOver:setTextColor(0xffffff)
	self:addChild(GameOver)
 
	local finalScore = TextField.new(fontLarge, _G.finalScore)
	centreAt(finalScore, 160,200)
	finalScore:setTextColor(0xffffff)
	self:addChild(finalScore)
 
	local applause = Sound.new("applause.wav")
 
	local btnSubmitScore = Button.new(Bitmap.new(Texture.new("btnSubmitScore.png")), Bitmap.new(Texture.new("btnSubmitScore.png")))
	btnSubmitScore:setPosition(50, 325)
	self:addChild(btnSubmitScore)
 
	btnSubmitScore:addEventListener("click", 
		function()	
			if _G.gLogin == false then
				--log into google play
				googleplay:login()
			else
				googleplay:reportScore("CgkIudWT9tcCEAIQAA", _G.finalScore)
			end
		end)
 
	googleplay:addEventListener(Event.LOGIN_ERROR, function()
		_G.gLogin = false
	end)
 
	googleplay:addEventListener(Event.LOGIN_COMPLETE, function()
		_G.gLogin = true
		googleplay:reportScore("", _G.finalScore)
	end)
 
	local btnMainMenu = Button.new(Bitmap.new(Texture.new("btnMainMenu.png")), Bitmap.new(Texture.new("btnMainMenu.png")))
	btnMainMenu:setPosition(50, 400)
	self:addChild(btnMainMenu)
 
	btnMainMenu:addEventListener("click", 
		function()	
			local transition = transitions[math.random(1, 4)]
			sceneManager:changeScene("MainMenu", 1, transition, easing.outBack, { eventFilter={Event.MOUSE_DOWN} } ) 
		end)
 
	--hook into the android back button	
	self:addEventListener(Event.KEY_DOWN, self.onKeyDown, self)
 
	self:addEventListener("enterBegin", self.onTransitionInBegin, self)
	self:addEventListener("enterEnd", self.onTransitionInEnd, self)
	self:addEventListener("exitBegin", self.onTransitionOutBegin, self)
	self:addEventListener("exitEnd", self.onTransitionOutEnd, self)
 
	if _G.soundEnabled == true then
		applause:play()
	end
end
 
function GameOver:onKeyDown(event)
	if (event.keyCode == KeyCode.BACK) then
		local transition = transitions[math.random(9, 12)]
		sceneManager:changeScene("MainMenu", 1, transition, easing.outBounce, { userData = "outBounce" } )
	end
end
 
function centreAt(sprite,x,y)
   local w=sprite:getWidth()
   local h=sprite:getHeight()
 
   sprite:setPosition(math.floor(x-w/2),math.floor(y+h/2))
end
 
function GameOver:onTransitionInBegin()
	print("Credits - enter begin")
end
 
function GameOver:onTransitionInEnd()
	appodeal:showAd(INTERSTITIAL)
end
 
function GameOver:onTransitionOutBegin()
	print("Credits - exit begin")
end
 
function GameOver:onTransitionOutEnd()
 
end

btnScores:addEventListener("click", 
		function()	
			if _G.gLogin == false then
				--log into google play
				googleplay:login()
			else
				googleplay:loadScores("")
			end
		end)
 
	googleplay:addEventListener(Event.LOGIN_ERROR, function()
		_G.gLogin = false
	end)
 
	googleplay:addEventListener(Event.LOGIN_COMPLETE, function()
		_G.gLogin = true
		googleplay:showLeaderboard("")
	end)