UI buttons not detecting touch input

Question

I was building a menu using UI buttons and the Input System UI Input Module. My understanding is that this should make buttons that work with mouse clicks and touchscreen taps, but when I test the menu using Unity Remote 5, the buttons do not respond to touch input. I checked the default input actions, and "left click [mouse]" and "touch*/press [touchscreen]" are both listed under the inputs that trigger the "click" action, yet the buttons work for a mouse and not for the touchscreen. Any idea what I'm doing wrong?

Answer 1

Answer by Zwitt · Nov 11, 2021 at 12:21 AM

Did you figure this out? I'm having the exact same problem.,Did you ever figure this out? I'm having the exact same problem.

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Answer 2

Answer by MrW82 · Mar 29 at 11:01 AM

I had similar issue. Could register Input.GetTouch(0) in code but no buttons or joystick worked. Tried moving the button higher in hierarchy but it didnt work either. Then I tried making a clean scene with only a canvas and a button and finally got the button to work.

EDIT: After some testing I figured out that it was the EventSystem file that caused the issue. Changing from "Input System UI Input Module" to the "Standalone Input Module" enabled the buttons to register touch.

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aeffoa · Apr 30 at 05:40 PM 0

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Thank you so much, i was switching to "new" Input System (package) and when i came back to original Input i had some errors here and there and apparently Event System components got changed. ty <3

Answer 3

Answer by Rechronicle · Oct 11, 2021 at 07:16 AM

is there any EventSystem gameobject somewhere in your scene?

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Answer 4

Answer by Reuben0 · Oct 13, 2021 at 02:59 PM

@Rechronicle Yes, I have the event system game object. It was automatically generated when I created the UI canvas object.

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Answer 5

Answer by twicejiggled · Dec 10, 2021 at 11:41 AM

I'm having the same issue using remote 5 too, works on the PC editor with mouse clicks and i can see touchscreen interactions via a script on the mobile using the Touch class returned from Input.GetTouch(), just no UI interaction.

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UI buttons not detecting touch input

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