ScaleGestureDetector ScaleGestureDetector Class

Definition

Detects scaling transformation gestures using the supplied MotionEvents.

[Android.Runtime.Register("android/view/ScaleGestureDetector", ApiSince=8, DoNotGenerateAcw=true)]
public class ScaleGestureDetector : Java.Lang.Object
type ScaleGestureDetector = class
    inherit Object
Inheritance
ScaleGestureDetectorScaleGestureDetector
Derived
Attributes

Remarks

Android platform documentation

Portions of this page are modifications based on work created and shared by the Android Open Source Project and used according to terms described in the Creative Commons 2.5 Attribution License.

Constructors

ScaleGestureDetector(Context, ScaleGestureDetector+IOnScaleGestureListener) ScaleGestureDetector(Context, ScaleGestureDetector+IOnScaleGestureListener)

Creates a ScaleGestureDetector with the supplied listener.

ScaleGestureDetector(Context, ScaleGestureDetector+IOnScaleGestureListener, Handler) ScaleGestureDetector(Context, ScaleGestureDetector+IOnScaleGestureListener, Handler)

Creates a ScaleGestureDetector with the supplied listener.

ScaleGestureDetector(IntPtr, JniHandleOwnership) ScaleGestureDetector(IntPtr, JniHandleOwnership)

A constructor used when creating managed representations of JNI objects; called by the runtime.

Properties

Class Class

Returns the unique instance of Class that represents this object's class.

(Inherited from Object)
CurrentSpan CurrentSpan

Return the average distance between each of the pointers forming the gesture in progress through the focal point.

CurrentSpanX CurrentSpanX

Return the average X distance between each of the pointers forming the gesture in progress through the focal point.

CurrentSpanY CurrentSpanY

Return the average Y distance between each of the pointers forming the gesture in progress through the focal point.

EventTime EventTime

Return the event time of the current event being processed.

FocusX FocusX

Get the X coordinate of the current gesture's focal point.

FocusY FocusY

Get the Y coordinate of the current gesture's focal point.

Handle Handle

The handle to the underlying Android instance.

(Inherited from Object)
IJavaObjectEx.IsProxy IJavaObjectEx.IsProxy Inherited from Object
IJavaObjectEx.KeyHandle IJavaObjectEx.KeyHandle Inherited from Object
IJavaObjectEx.NeedsActivation IJavaObjectEx.NeedsActivation Inherited from Object
IJavaPeerable.JniManagedPeerState IJavaPeerable.JniManagedPeerState Inherited from Object
IsInProgress IsInProgress

Returns true if a scale gesture is in progress.

JniIdentityHashCode JniIdentityHashCode Inherited from Object
JniPeerMembers JniPeerMembers
PeerReference PeerReference Inherited from Object
PreviousSpan PreviousSpan

Return the previous average distance between each of the pointers forming the gesture in progress through the focal point.

PreviousSpanX PreviousSpanX

Return the previous average X distance between each of the pointers forming the gesture in progress through the focal point.

PreviousSpanY PreviousSpanY

Return the previous average Y distance between each of the pointers forming the gesture in progress through the focal point.

QuickScaleEnabled QuickScaleEnabled

Return whether the quick scale gesture, in which the user performs a double tap followed by a swipe, should perform scaling.

ScaleFactor ScaleFactor

Return the scaling factor from the previous scale event to the current event.

StylusScaleEnabled StylusScaleEnabled
ThresholdClass ThresholdClass

This API supports the Mono for Android infrastructure and is not intended to be used directly from your code.

ThresholdType ThresholdType

This API supports the Mono for Android infrastructure and is not intended to be used directly from your code.

TimeDelta TimeDelta

Return the time difference in milliseconds between the previous accepted scaling event and the current scaling event.

Methods

Clone() Clone()

Creates and returns a copy of this Object.

(Inherited from Object)
Dispose() Dispose() Inherited from Object
Dispose(Boolean) Dispose(Boolean) Inherited from Object
Equals(Object) Equals(Object)

Compares this instance with the specified object and indicates if they are equal.

(Inherited from Object)
GetHashCode() GetHashCode()

Returns an integer hash code for this object.

(Inherited from Object)
JavaFinalize() JavaFinalize()

Invoked when the garbage collector has detected that this instance is no longer reachable.

(Inherited from Object)
Notify() Notify()

Causes a thread which is waiting on this object's monitor (by means of calling one of the wait() methods) to be woken up.

(Inherited from Object)
NotifyAll() NotifyAll()

Causes all threads which are waiting on this object's monitor (by means of calling one of the wait() methods) to be woken up.

(Inherited from Object)
OnTouchEvent(MotionEvent) OnTouchEvent(MotionEvent)

ScaleGestureDetector OnScaleGestureListener

SetHandle(IntPtr, JniHandleOwnership) SetHandle(IntPtr, JniHandleOwnership)

Sets the Handle property.

(Inherited from Object)
ToArray<T>() ToArray<T>() Inherited from Object
ToString() ToString()

Returns a string containing a concise, human-readable description of this object.

(Inherited from Object)
UnregisterFromRuntime() UnregisterFromRuntime() Inherited from Object
Wait() Wait()

Causes the calling thread to wait until another thread calls the notify() or notifyAll() method of this object.

(Inherited from Object)
Wait(Int64) Wait(Int64)

Causes the calling thread to wait until another thread calls the notify() or notifyAll() method of this object or until the specified timeout expires.

(Inherited from Object)
Wait(Int64, Int32) Wait(Int64, Int32)

Causes the calling thread to wait until another thread calls the notify() or notifyAll() method of this object or until the specified timeout expires.

(Inherited from Object)

Explicit Interface Implementations

IJavaObjectEx.ToLocalJniHandle() IJavaObjectEx.ToLocalJniHandle() Inherited from Object
IJavaPeerable.Disposed() IJavaPeerable.Disposed() Inherited from Object
IJavaPeerable.DisposeUnlessReferenced() IJavaPeerable.DisposeUnlessReferenced() Inherited from Object
IJavaPeerable.Finalized() IJavaPeerable.Finalized() Inherited from Object
IJavaPeerable.SetJniIdentityHashCode(Int32) IJavaPeerable.SetJniIdentityHashCode(Int32) Inherited from Object
IJavaPeerable.SetJniManagedPeerState(JniManagedPeerStates) IJavaPeerable.SetJniManagedPeerState(JniManagedPeerStates) Inherited from Object
IJavaPeerable.SetPeerReference(JniObjectReference) IJavaPeerable.SetPeerReference(JniObjectReference) Inherited from Object

Extension Methods

JavaCast<TResult>(IJavaObject) JavaCast<TResult>(IJavaObject)

Performs an Android runtime-checked type conversion.

JavaCast<TResult>(IJavaObject) JavaCast<TResult>(IJavaObject)
GetJniTypeName(IJavaPeerable) GetJniTypeName(IJavaPeerable)

Applies to