Package io.flutter.embedding.android

Class MotionEventTracker

java.lang.Object

io.flutter.embedding.android.MotionEventTracker

public final class MotionEventTracker
extends Object

Tracks the motion events received by the FlutterView.

Nested Class Summary

Nested Classes

Modifier and Type	Class	Description
static class	MotionEventTracker.MotionEventId	Represents a unique identifier corresponding to a motion event.

Method Summary

Modifier and Type	Method	Description
static MotionEventTracker	getInstance()
MotionEvent	pop(MotionEventTracker.MotionEventId eventId)	Returns the MotionEvent corresponding to the eventId while discarding all the motion events that occurred prior to the event represented by the eventId.
MotionEventTracker.MotionEventId	track(MotionEvent event)	Tracks the event and returns a unique MotionEventId identifying the event.

Methods inherited from class java.lang.Object

clone, equals, finalize, getClass, hashCode, notify, notifyAll, toString, wait, wait, wait

Method Details

getInstance

@NonNull
public static MotionEventTracker getInstance()

track

@NonNull
public MotionEventTracker.MotionEventId track(@NonNull
 MotionEvent event)

Tracks the event and returns a unique MotionEventId identifying the event.

pop

@Nullable
public MotionEvent pop(@NonNull
 MotionEventTracker.MotionEventId eventId)

Returns the MotionEvent corresponding to the eventId while discarding all the motion events that occurred prior to the event represented by the eventId. Returns null if this event was popped or discarded.