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September 23, 2016

How to Handle Swipe on Oculus Gear VR touchpad avoiding Tap event

I have a Scroll View containing few buttons as child elements under content-panel. Hierarchy looks like this:



I have implemented OVRTouchpad.TouchHandler event like this on my script attached to ScrollView:

	void Start()	
        {		
            OVRTouchpad.Create();		
            OVRTouchpad.TouchHandler += HandleTouchHandler;		
        }
	
        void HandleTouchHandler (object sender, System.EventArgs e)	
        {
	    OVRTouchpad.TouchArgs touchArgs = (OVRTouchpad.TouchArgs)e;
            if(touchArgs.TouchType == OVRTouchpad.TouchEvent.Left || 
               touchArgs.TouchType == OVRTouchpad.TouchEvent.Up)		
            {
		// Code to scroll UP for swipe in directions LEFT/UP		
            }
	    else if(touchArgs.TouchType == OVRTouchpad.TouchEvent.Right || 
                    touchArgs.TouchType == OVRTouchpad.TouchEvent.Down)
            {
		// Code to scroll DOWN for swipe in directions RIGHT/DOWN
    	    }	
        }

Problem :

As I am using OVR Input Module, it processes Tap input even if I try to swipe. So every time I swipe in any direction while gazing at button (child of scroll view). Button is clicked taking me to some other menu. I am not sure if this is desired behaviour of Gear VR Input system. As I have seen in Oculus Home App (and other apps on store) it only scrolls without triggering clicks on child element.

Is there any way to prevent click/tap if swipe is detected?
Or is there any other recommended input system that I can use instead of OVR InputModule which knows the difference between swipe and tap?

Any kind of help is highly appreciated.
    This topic has been closed for replies.

    4 replies

    ExplainVR
    New Participant
    February 14, 2017
    Hello, has anybody solved this? 

    My situation:
    In one script for Gear VR I am detecting tap (touch the touchpad) and swipe (swipe on Gear VR touchpad):
    Tap - fire weapon (MouseDown)
    Swipe - change weapon.
    When camera don't rotate (player don't look around), everything is OK.

    But when player touch the touchpad - Fire (HandleDown), then rotate head and then release touch (HandleUp), script detects it as a swipe.
    Similar as MouseDown -> movement with mouse (look) -> MouseUp.

    Could you help me, how to prevent from detecting swipe, when ouy do: HandleDown -> rotate camera (look around) -> HandleUp

    EDIT:
    Currently I have solution, that I am checking angle between HandleDown - HandleUp < threshold, But there has to be more intuitive and simple solution.
    JavedMahmood
    Inspiring
    March 28, 2017
    You just code the slider in cs/js, latest Oculus SDK will take care of it automatically! it was nice.
    hornyjeans
    New Participant
    February 7, 2018
    I'm experiencing the same issue. Swiping while gazing on UIs triggers the click for buttons. I only intend it to be triggered by click. Anyone has a solution to this? Thanks in advance.
    hornyjeans
    New Participant
    February 9, 2018
    In case anyone would need it. I found a solution (?).

    I added an additional checker if PrimaryTouchpad is clicked on OVRInputModule.cs

    // PointerDown notification

    private void ProcessMousePress(MouseButtonEventData data)
            {
                
    if (data.PressedThisFrame() && OVRInput.GetDown (OVRInput.Button.PrimaryTouchpad)) {

    }
    }


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