Top "Touch" questions

Touch-based interfaces have unique considerations that do not apply to other modes of input, and vice versa.

How to extend a view's touch area

I have a vertical LinearLayout. It shall act as a quick jump bar. So the width is very small and …

android touch extend touch-event
UIPicker detect tap on currently selected row

I have a UIPickerView and The method didSelectRow is not called when tapping on a selected row. I need to …

iphone select touch uipickerview tap
How to get touch event on a CALayer?

I'm new to the iPhone SDK. Right now I'm programming with CALayers which I really like a lot – not as …

iphone events touch calayer
Mobile Safari - Input caret does not scroll along with overflow-scrolling: touch

I know that Mobile Safari won't fire events while in "momentum" (-webkit-overflow-scrolling: touch;) scrolling. But this is not entirely the …

ios scroll touch mobile-safari caret
RecyclerView Animation on Item Click

I am trying to implement my own recyclerview Animation - I would like to achieve this without using any external …

android animation touch android-recyclerview onitemclick
Does anyone know what the output from getevent means?

I'm trying to figure out what format the output is from the getevent command in the adb shell. For example, …

android touch adb event-log
Javascript zoom and rotate using gesturechange and gestureend

I am working on some touch events and gestures, I want to be able to zoom and rotate the object, …

javascript jquery touch gestures
Touch event handled by multiple views

I have a subclass of UIView on top of a UITableView. I am using the UITableView to display some data …

ios touch touchesmoved touch-event uievent
How can I use Core Graphics to draw a circle at my touch location?

New programmer here. I am having issues trying to use Core Graphics to draw a stroked arc around my touch …

ios xcode touch cgcontext
get touch coordinates (in the form of 0-480 and 0-320)

i dont get how to translate the coordinates of the iphone. if i make a single touch i get the …

iphone touch coordinate-systems