com.nbmap.android.gestures

Class BaseGesture<L>

java.lang.Object

com.nbmap.android.gestures.BaseGesture<L>

Type Parameters:

L - listener that will be called with gesture events/updates.

Direct Known Subclasses:

MultiFingerGesture, StandardGestureDetector

public abstract class BaseGesture<L>
extends java.lang.Object

Base class for all of the gesture detectors.

Field Summary

Fields

Modifier and Type	Field and Description
protected android.content.Context	context
protected L	listener Listener that will be called with gesture events/updates.
protected android.view.WindowManager	windowManager

Constructor Summary

Constructors

Constructor and Description
BaseGesture(android.content.Context context, AndroidGesturesManager gesturesManager)

Method Summary

Modifier and Type	Method and Description
protected abstract boolean	analyzeEvent(android.view.MotionEvent motionEvent)
protected boolean	canExecute(int invokedGestureType)
android.view.MotionEvent	getCurrentEvent() Returns most recent event in this gesture chain.
long	getGestureDuration() Returns a difference in millis between MotionEvent.getDownTime() and MotionEvent.getEventTime() (most recent event's time) associated with this gesture.
android.view.MotionEvent	getPreviousEvent() Returns previous event in this gesture chain.
boolean	isEnabled() Check whether this detector accepts and analyzes motion events.
protected boolean	onTouchEvent(android.view.MotionEvent motionEvent)
protected void	removeListener()
void	setEnabled(boolean enabled) Set whether this detector should accept and analyze motion events.
protected void	setListener(L listener)

Methods inherited from class java.lang.Object

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

Field Detail

context

protected final android.content.Context context

windowManager

protected final android.view.WindowManager windowManager

listener

protected L listener

Listener that will be called with gesture events/updates.

Constructor Detail

BaseGesture

public BaseGesture(android.content.Context context,
                   AndroidGesturesManager gesturesManager)

Method Detail

onTouchEvent

protected boolean onTouchEvent(android.view.MotionEvent motionEvent)

analyzeEvent

protected abstract boolean analyzeEvent(android.view.MotionEvent motionEvent)

canExecute

protected boolean canExecute(int invokedGestureType)

setListener

protected void setListener(L listener)

removeListener

protected void removeListener()

getGestureDuration

public long getGestureDuration()

Returns a difference in millis between MotionEvent.getDownTime() and MotionEvent.getEventTime() (most recent event's time) associated with this gesture.

This is a duration of the user's total interaction with the touch screen, accounting for the time before the gesture was recognized by the detector.

Returns:

duration of the gesture in millis.

getCurrentEvent

public android.view.MotionEvent getCurrentEvent()

Returns most recent event in this gesture chain.

Returns:

most recent event

getPreviousEvent

public android.view.MotionEvent getPreviousEvent()

Returns previous event in this gesture chain.

Returns:

previous event

isEnabled

public boolean isEnabled()

Check whether this detector accepts and analyzes motion events. Default is true.

Returns:

true if it analyzes, false otherwise

setEnabled

public void setEnabled(boolean enabled)

Set whether this detector should accept and analyze motion events. Default is true.

Parameters:

enabled - true if it should analyze, false otherwise