BaseGestureRecognizer

public abstract class BaseGestureRecognizer
Known Direct Subclasses

Base class for all Gesture Recognizers (i.e. DragGestureRecognizer).

A Gesture recognizer processes touch input to determine if a gesture should start and fires an event when the gesture is started.

To determine when an gesture is finished/updated, listen to the events on the gesture object.

Nested Classes

interface BaseGestureRecognizer.OnGestureStartedListener<T extends BaseGesture<T>> Interface definition for a callbacks to be invoked when a BaseGesture starts. 

Fields

protected final GesturePointersUtility gesturePointersUtility
protected final ArrayList<T extends BaseGesture<T>> gestures

Public Constructors

Public Methods

void
void
onTouch(HitTestResult hitTestResult, MotionEvent motionEvent)
void

Protected Methods

abstract void
tryCreateGestures(HitTestResult hitTestResult, MotionEvent motionEvent)

Inherited Methods

Fields

protected final GesturePointersUtility gesturePointersUtility

protected final ArrayList<T extends BaseGesture<T>> gestures

Public Constructors

public BaseGestureRecognizer (GesturePointersUtility gesturePointersUtility)

Parameters
gesturePointersUtility

Public Methods

public void addOnGestureStartedListener (OnGestureStartedListener<T> listener)

Parameters
listener

public void onTouch (HitTestResult hitTestResult, MotionEvent motionEvent)

Parameters
hitTestResult
motionEvent

public void removeOnGestureStartedListener (OnGestureStartedListener<T> listener)

Parameters
listener

Protected Methods

protected abstract void tryCreateGestures (HitTestResult hitTestResult, MotionEvent motionEvent)

Parameters
hitTestResult
motionEvent

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