Android Guides | Samples


The listener for receiving notifications when gestures occur.

See Also: ScaleGestureDetector+IOnScaleGestureListener


[Android.Runtime.Register("android/view/ScaleGestureDetector$OnScaleGestureListener", "", "Android.Views.ScaleGestureDetector/IOnScaleGestureListenerInvoker")]
public interface ScaleGestureDetector.IOnScaleGestureListener : IJavaObject, IDisposable


The listener for receiving notifications when gestures occur. If you want to listen for all the different gestures then implement this interface. If you only want to listen for a subset it might be easier to extend ScaleGestureDetector+SimpleOnScaleGestureListener. An application will receive events in the following order:

[Android Documentation]


Namespace: Android.Views
Assembly: Mono.Android (in Mono.Android.dll)
Assembly Versions:
Since: Added in API level 8

The members of Android.Views.ScaleGestureDetector.IOnScaleGestureListener are listed below.

Public Methods

OnScale(ScaleGestureDetector) : Boolean
Responds to scaling events for a gesture in progress.
OnScaleBegin(ScaleGestureDetector) : Boolean
Responds to the beginning of a scaling gesture.
Responds to the end of a scale gesture.