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Questions tagged [multi-touch]

multi-touch refers to a touch sensing surface's (trackpad or touchscreen) ability to recognize the presence of two or more points of contact with the surface (Wikipedia)

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Programmatically find how many fingers in multitouch Android device supports

On Android, it is possible to check programmatically if the device supports multitouch or not wth http://developer.android.com/reference/android/content/pm/PackageManager.html#FEATURE_TOUCHSCREEN_MULTITOUCH. Is it also possible to check exactly how…
iseeall
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Android multitouch and getActionMasked()

I have a some small questions to do with the masking of touch events. I have read many things on here and elsewhere but am still a little confused with parts. 1) Is event.getActionMasked() same as event.getAction() & MotionEvent.ACTION_MASK (they…
user1529408
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How to simulate touch event?

I want to be able to invoke touch events without user interactions. Is this possible?
Robin
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Differentiating Between UITouch Objects On The iPhone

I'm trying to differentiate between two (or more) UITouch objects on the iPhone. Specifically, I'd like to know the order in which the touches occurred. For instance, in my -touchesBegan:withEvent: method I get an NSSet of UITouch objects. Now I can…
Jasarien
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iOS Loses Touches?

I can't find anything to explain lost UITouch events. If you smash your full hand on the screen enough times, the number of touchesBegan will be different than the number of touchesEnded! I think the only way to actually know about these orphaned…
Joe Beuckman
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Paging UIScrollView with two-finger pan and zoom

The test case is easily reproduced: download Apple's PhotoScroller sample app, and try to adapt it so that panning (both around a zoomed image, and between each image) only works with two fingers. Setting the panGestureRecognizer for both the…
Stuart
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Android multitouch: ACTION_UP not always called?

I have developed an Android application that is handling multitouch in a view. I basically track the several MotionEvents that can occur like ACTION_UP, ACTION_MOVE, ... My overwritten onTouch method in the View class looks like this: public boolean…
Maximilian Csuk
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Android 3 finger touch detection

I am successfully able to record the coordinates of the two fingers being touched on the screen using the following code: case MotionEvent.ACTION_MOVE: Log.d("TOUCH", "test ACTION MOVE" + event.getPointerCount()); Log.d("TOUCH", "test ACTION MOVE…
Kshitij Aggarwal
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How to code for multitouch

So I'm developing an application that must handle multitouch. Basically I want single touch for rotating ( this is no problem ). And multitouch for scrolling. I have the basic code in, but I'm having problems when the shift from single to…
Espen
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How to Disable Multi Touch on UIBarButtonItems & UI Buttons?

My app has quite a few buttons on each screen as well as a UIBarButtonItem back button and I have problems with people being able to multi click buttons. I need only 1 button to be clickable at a time. Does anyone know how to make a UIBarButtonItem…
Krivvenz
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Is there a way to detect, through browser Javascript, multi-touch events of a trackpad, magic mouse or magic trackpad on a Mac?

I know there are many ways to do so directly on the iPhone (jQtouch), but I'd like to detect those events in my computer's browser.
davidwebca
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Jackmoore Zoom 1.7.15: Toggle zoom on touch device with double tap

Using Zoom by Jackmoore: http://www.jacklmoore.com/zoom/ https://github.com/jackmoore/zoom I would like to use double tap on touch devices to toggle the zoom effect. The reason is the carousel I'm using (OWL Carousel) for the images also has a swipe…
pinkp
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iPad Gesture Recognizer - Delayed Response

In my app I have added the new Gesture Recognizers that are available in the 3.2 SDK. Everything appears to be working correctly and the response time on the screen been very fast. But for some reason when I add requireGestureRecognizerToFail to…
Maddoxx
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touchesEnded not being called??? or randomly being called

If I lift my finger up off the first touch, then it will recognize the next touch just fine. It's only when I hold my first touch down continuously and then try and touch a different area with a different finger at the same time. It will then…
iwasrobbed
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handling multitouch in libgdx

okay so I have been trying to implement a multitouch solution for my libgdx game and having some trouble. Basically I have a dpad in the bottom left quadrant of the screen which controls the direction of my character and on the remaing portion of…
brendosthoughts
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