ContextActionService attempt to index nil with 'Size'

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#1 
ActionService:BindAction("PressAAMobile", PressA, true, Enum.KeyCode.A)

ActionService:BindAction("PressDDMobile", PressD, true, Enum.KeyCode.D)

local PressAButton = ActionService:GetButton("PressAAMobile")

local PressDButton = ActionService:GetButton("PressDDMobile")

PressAButton.Size = UDim2.new(0,100,0,100) --line problem

PressDButton.Size = UDim2.new(0,100,0,100)

I am making buttons on mobile with ContextActionService(Making size) but this error pops up, i tried looking at the forum but i didn’t saw any post related to what i am doing. What i am doing wrong?

1 Like
#2

can i have some more detail, like provide a screenshot

#3

are you running this in a local script or server

#4

i am doing that in local script

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#5

try server script because i think udim2 runs in server only but i could be wrong

#6

no wait im wrong it can run in local
i think its because its probably not inside the screengui(?)

#7

image
i mean with ContextAction buttons that pops up only in mobile

#8

maybe you can try “Scale” ive never used contextaction before

#9

What device are you testing the script on?

#11

in desktop(laptop) but it shouldn’t show me(error) even when i am on desktop

#12

Go to the “Test” section and select Devices, a list of devices should appear. Select the phone ones and try the game.

#13

Try printing references of “PressAButton” and “PressDButton”.
After you do that, show the output.

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#14

image

#15

script is working but i still get error

#16

How do you want to access the UI button reference, I don’t understand the what’s the point GetButton function invoke?

#17 
ActionService:BindAction("PressAAMobile", PressA, true, Enum.KeyCode.A)
ActionService:BindAction("PressDDMobile", PressD, true, Enum.KeyCode.D)

local PressAButton = ActionService:GetButton("PressAAMobile")
local PressDButton = ActionService:GetButton("PressDDMobile")
#18

script is working but i still get error

  1. I don’t understand, it works… But in what aspect? The script does its job but the size is what doesn’t work?
  2. Maybe it didn’t work because you didn’t test on a touch device, I think this will help you:
    https://devforum.roblox.com/t/contextactionservicegetbutton-never-returns-if-button-doesnt-exist/20017/19
#19

ActionService:GetButton("PressAAMobile") is returning nil, so it might not have loaded? I’m not entirely sure how ContextActionService buttons work but try adding atask.wait(5) and see if it works then