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  • Overview
  • Gesture variable
  • Example
  • Retrieving gesture information
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Stored procedures
Overview
The Gesture variable is used to retrieve the gesture parameters (swipe): direction, speed, distance, ...
This variable can be used:
  • in the swipe event of elements in a Looper control, to know the swipe direction.
  • in multitouch events (zoom, scroll and swipe) to avoid declaring parameters in the events.
Gesture variable
The Gesture variable includes the following elements:
iPhone/iPad Gesture.AltitudeAngle
Real
Angle (expressed in degrees) corresponding to the inclination of an Apple Pencil in relation to the tablet plan.
This variable is filled in the event "Pressed/Left button down" only.
iPhone/iPadIOS Widget Gesture.Azimuth
Real
Azimuth angle (expressed in degrees) of an Apple Pencil in relation to the mark of current control.
This variable is filled in the event "Pressed/Left button down" only.
Android Gesture.Direction
Integer constant

Direction of the gesture. Can correspond to one of the following constants:
  • BottomToTop: Swipe from bottom to top.
  • RightToLeft: Swipe from right to left.
  • LeftToRight: Swipe from left to right.
  • TopToBottom: Swipe from top to bottom.
This variable is filled in Scroll and Swipe events.
Android Gesture.Distance
For a scroll: value of the move (in pixels) in the direction specified by Gesture.Direction.
For a pinch zoom gesture: value of the spacing (in pixels) between two contact points.
This variable is filled in Scroll and Pinch zoom events.
iPhone/iPad Gesture.Force
Real
Pressure during a press.
This pressure can take a value included between 0,0 and 1,0.
This variable is filled in the event "Pressed/Left button down" only.
iPhone/iPad Gesture.MaximumForce
Real
Maximum pressure during a press.
This pressure can take a value included between 0,0 and 1,0.
This variable is filled in the event "Pressed/Left button down" only.
Android Gesture.Speed
Integer
Speed of the move in the direction specified by Gesture.Direction.
This speed is expressed in pixels per second.
This variable is filled in Swipe events.
Example

Retrieving gesture information

// Scroll with Finger event of IMG_Image
SWITCH Gesture.Direction
CASE RightToLeft: RADIO_Direction = 1
CASE LeftToRight: RADIO_Direction = 2
CASE TopToBottom: RADIO_Direction = 3
CASE BottomToTop: RADIO_Direction = 4
END
 
EDT_Speed = Gesture.Speed
EDT_Distance = Gesture.Distance
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  • Version 18
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Last update: 05/26/2022

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