Is Touch

Detecting when users are using a touch interface on the way is notoriously difficult. It is reasonably easy to detect touch features (such as the existance of a touch screen), but many devices allow the use of both a touch screen and a keyboard and the player can not know which of these the user prefers to use.

isTouch is a task that allows you to identify users that are using touch interfaces. It detects whether the user device has a device capable of touch interactions and if so explicitly asks if they whish to use these capabilities.

The interface for this task is similar to the interface of the yesNo task. With the following differences; first, path has a default value of $isTouch, and second the default values for the texts are differnt.

A typical isTouch task may simply look like the following. It would set the response to the question into global.$isTouch.

{ type:'isTouch' }

If you want to get more fancy you can customize it:

{ 
    type:'isTouch',
    text: 'Would you like to use the touch interface?',
    yesText: 'Yes! Touch is my thing!',
    noText: 'Nah, I\'ll go with the keyboard.'
}