multi-touch

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Using multi-touch on iPhone & iPad

How do I get the co-ordinates of 2 touches on an iPhone? (both co-odiantes)??? This is killing me... any 开发者_JAVA技巧sample code would be great. Thanks.If you are using touchesBegan:withEvent: and[详细]

2023-03-11 22:37 分类：问答
Getting strange touch coordinates

I\'m trying to detect pinch using multitouch in onTouchEvent of the activity. But the coordinates I\'m getting are behaving erratically sometimes. For example I\'m getting the following coordinates on[详细]

2023-03-11 03:23 分类：问答
Pressing two buttons at the same time, wp7, silverlight, c#

I\'m still working with sound effects on my test app and I noticed that you can\'t press on two buttons at t开发者_如何学编程he same time. Is there a way to allow this? So that I can press the two but[详细]

2023-03-10 16:00 分类：问答
iPhone multi-touch coordinates

I am making an iphone app that uses two fingers to place and scale a platform. I 开发者_JS百科need to find the x & y coordinates of BOTH of these touches. How would I go about this. thanks youchec[详细]

2023-03-10 15:47 分类：问答
Prevent UIButton touch event for multitouch

after finding out that there is a bug in the UITapGestureRecognizer ( How to cancel button tap if UIGestureRecognizer fires? ) I am thinking about detecting two finger taps and two finger double-taps[详细]

2023-03-10 08:51 分类：问答
android - detect gesture on different views

I need to detect different gestures on more then one views. My views need to be able to receive Tap, Double Tap and Drag Events. I tried the Gesture Detector but my implementation shows me only global[详细]

2023-03-08 22:51 分类：问答
Moving an imageview - different behavior in programmatic and xml implementation

My purpose is to move an imageview free on the ground and therefore i followed this tutorial: http://www.zdnet.com/blog/burnette/how-to-use-multi-touch-in-android-2-part-5-implementing-the-drag-gestu[详细]

2023-03-08 01:43 分类：问答
How can I recognize a pointer in ontouchlistener?

I\'m developing a program(phone as a mouse) using multitouch on android 2.2. I just use ontouch method of ontouchlistener. It seems that ontouch is a event oriented method that it can not remember a s[详细]

2023-03-07 23:21 分类：问答
How to implement both pinch zoom and pan with multitouch?

First of all i should say my app is already has pinch zoom which works perfectly and it has pan feature too but this pan feature works with single touch and i want to make both work with multi touch.[详细]

2023-03-07 07:35 分类：问答
Where should I be catching touch events for painting on a QGraphicsScene?

I want to reimplement the Qt fingerpaint example using my QGraphicsScene rather than a QWidget.However I cannot find an example of this so am unsure if I should capture the e开发者_如何学JAVAvents at[详细]

2023-03-06 03:27 分类：问答