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settings.lua
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settings.lua
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---------------------------------------------------------------------------------
--
-- scene2.lua
--
---------------------------------------------------------------------------------
local storyboard = require( "storyboard" )
local scene = storyboard.newScene()
---------------------------------------------------------------------------------
-- BEGINNING OF YOUR IMPLEMENTATION
---------------------------------------------------------------------------------
local image, text1, text2, text3, memTimer
local centerX = display.contentCenterX
local centerY = display.contentCenterY
local function onSceneTouch( self, event )
if event.phase == "began" then
storyboard.gotoScene( "home", "slideRight", 400 )
return true
end
end
-- Called when the scene's view does not exist:
function scene:createScene( event )
local screenGroup = self.view
image = display.newImage( "bg3.jpg", centerX, centerY )
screenGroup:insert( image )
image.touch = onSceneTouch
text1 = display.newText( "Settings", centerX, 50, native.systemFontBold, 24 )
text1:setFillColor( 1 )
screenGroup:insert( text1 )
text2 = display.newText( "MemUsage: ", centerX, centerY, native.systemFont, 16 )
text2:setFillColor( 1 )
screenGroup:insert( text2 )
text3 = display.newText( "Touch to continue.", centerX, display.contentHeight - 100, native.systemFontBold, 18 )
text3:setFillColor( 1 ); text3.isVisible = false
screenGroup:insert( text3 )
print( "\n2: createScene event" )
end
-- Called immediately after scene has moved onscreen:
function scene:enterScene( event )
print( "2: enterScene event" )
storyboard.removeAll()
-- remove previous scene's view
storyboard.purgeScene( "home" )
-- Update Lua memory text display
local showMem = function()
image:addEventListener( "touch", image )
text3.isVisible = true
text2.text = text2.text .. collectgarbage("count")/1000 .. "MB"
text2.x = centerX
end
memTimer = timer.performWithDelay( 1000, showMem, 1 )
end
-- Called when scene is about to move offscreen:
function scene:exitScene()
print( "2: exitScene event" )
-- remove touch listener for image
image:removeEventListener( "touch", image )
-- cancel timer
timer.cancel( memTimer ); memTimer = nil;
-- reset label text
text2.text = "MemUsage: "
end
-- Called prior to the removal of scene's "view" (display group)
function scene:destroyScene( event )
print( "((destroying scene 2's view))" )
end
---------------------------------------------------------------------------------
-- END OF YOUR IMPLEMENTATION
---------------------------------------------------------------------------------
-- "createScene" event is dispatched if scene's view does not exist
scene:addEventListener( "createScene", scene )
-- "enterScene" event is dispatched whenever scene transition has finished
scene:addEventListener( "enterScene", scene )
-- "exitScene" event is dispatched before next scene's transition begins
scene:addEventListener( "exitScene", scene )
-- "destroyScene" event is dispatched before view is unloaded, which can be
-- automatically unloaded in low memory situations, or explicitly via a call to
-- storyboard.purgeScene() or storyboard.removeScene().
scene:addEventListener( "destroyScene", scene )
---------------------------------------------------------------------------------
return scene