How do you remove an Event Listener?

Solar2D General Questions/Discussion
#1

Having problems removing an event listener. The code below works fine and removes the listener as soon as it is created.

function otherTouch( event )  
 print( "otherTouch: event(" .. event.phase .. ") ("..event.x..","..event.y..")" .. tostring(event.id) )  
 end  
  
 Runtime:addEventListener( "touch", otherTouch )  
 Runtime:removeEventListener( "touch", otherTouch )

but if I try and call this from a function it does not remove the listener. I do not suspect this has anything to do with it, but I am using Director to change screens.

This does not work:

[code]
local function btnRewindT ( event )
if event.phase == “release” then
print(“btnRewind stopping Listener”)
Runtime:removeEventListener(“touch”, otherTouch )
end
end

function otherTouch( event )
print( “otherTouch: event(” … event.phase … “) (”…event.x…","…event.y…")" … tostring(event.id) )
end

Runtime:addEventListener( “touch”, otherTouch )

[/code] [import]uid: 52906 topic_id: 9439 reply_id: 309439[/import]

#2

otherTouch is not known inside btnRewindT.
Changing the order of your functions should make your problem go away:

[lua]local function otherTouch( event )
– do stuff
end

local function btnRewindT ( event )
if event.phase == “release” then
print(“btnRewind stopping Listener”)
Runtime:removeEventListener(“touch”, otherTouch )
end
end

Runtime:addEventListener( “touch”, otherTouch )[/lua] [import]uid: 51516 topic_id: 9439 reply_id: 34576[/import]

#3

Seth,

I p@##%ed away 4 hours this morning trying to figure this out and you just set me free.

Lots of love your way…thanks!

Dave [import]uid: 52906 topic_id: 9439 reply_id: 34588[/import]