com.ptvag.navigation.sdk.view

Class MultiFingerTapGestureDetector

java.lang.Object

com.ptvag.navigation.sdk.view.MultiFingerTapGestureDetector

public class MultiFingerTapGestureDetector
extends java.lang.Object

This class detects single and double tap with one finger and a single tap with two fingers Implement OnMultiFingerTapGestureListener to react on these events. Use detector.getPointerCount() to retrieve the number of fingers involved in the event.

Nested Class Summary

Nested Classes

Modifier and Type	Class and Description
class	MultiFingerTapGestureDetector.MultiFingerTapMessageHandler Message handler to distinguish between single and double taps
static interface	MultiFingerTapGestureDetector.OnMultiFingerTapGestureListener Interface for listening to finger tap events
static class	MultiFingerTapGestureDetector.SimpleOnMultiFingerTapGestureListener Minimal implementation of OnMultiFingerTapGestureListener

Constructor Summary

Constructors

Constructor and Description
MultiFingerTapGestureDetector(MultiFingerTapGestureDetector.OnMultiFingerTapGestureListener listener) Initializes an instance of the MultiFingerTapGestureDetector class

Method Summary

Modifier and Type	Method and Description
float	getDownPositionX()
float	getDownPositionY()
long	getPointerCount() Amount of pointers involved in the current event
boolean	onTouchEvent(android.view.MotionEvent event) Analyzes the given motion event
void	reset() Resets the multi finger tap detector to avoid unwanted detection of double taps

Methods inherited from class java.lang.Object

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

Constructor Detail

MultiFingerTapGestureDetector

public MultiFingerTapGestureDetector(MultiFingerTapGestureDetector.OnMultiFingerTapGestureListener listener)

Initializes an instance of the MultiFingerTapGestureDetector class

Parameters:

listener - listener for listening to finger tap events

Method Detail

onTouchEvent

public boolean onTouchEvent(android.view.MotionEvent event)

Analyzes the given motion event

Parameters:

event - the current event to analyze

Returns:

true

getDownPositionX

public float getDownPositionX()

Returns:

the pixel x coordinate of the down position.

getDownPositionY

public float getDownPositionY()

Returns:

the pixel y coordinate of the down position.

getPointerCount

public long getPointerCount()

Amount of pointers involved in the current event

Returns:

amount of pointers involved in the current event

reset

public void reset()

Resets the multi finger tap detector to avoid unwanted detection of double taps