com.nbmap.android.gestures

Class RotateGestureDetector

java.lang.Object

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

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

com.nbmap.android.gestures.ProgressiveGesture<RotateGestureDetector.OnRotateGestureListener>

com.nbmap.android.gestures.RotateGestureDetector

public class RotateGestureDetector
extends ProgressiveGesture<RotateGestureDetector.OnRotateGestureListener>

Gesture detector handling rotation gesture.

Nested Class Summary

Nested Classes

Modifier and Type	Class and Description
static interface	RotateGestureDetector.OnRotateGestureListener Listener for rotate gesture callbacks.
static class	RotateGestureDetector.SimpleOnRotateGestureListener

Field Summary

Fields inherited from class com.nbmap.android.gestures.BaseGesture

context, listener, windowManager

Constructor Summary

Constructors

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

Method Summary

Modifier and Type	Method and Description
protected boolean	analyzeMovement()
protected boolean	canExecute(int invokedGestureType)
protected void	gestureStopped()
float	getAngleThreshold() Get the threshold angle between first and current fingers position for this detector to actually qualify it as a rotation gesture.
float	getDeltaSinceLast() Returns last rotation change difference in degrees calculated in RotateGestureDetector.OnRotateGestureListener.onRotate(RotateGestureDetector, float, float)
float	getDeltaSinceStart() Returns rotation change in degrees since the start of the gesture.
protected java.util.Set<java.lang.Integer>	provideHandledTypes()
protected void	reset()
void	setAngleThreshold(float angleThreshold) Set the threshold angle between first and current fingers position for this detector to actually qualify it as a rotation gesture.

Methods inherited from class com.nbmap.android.gestures.ProgressiveGesture

analyzeEvent, gestureStarted, interrupt, isInProgress, setEnabled

Methods inherited from class com.nbmap.android.gestures.MultiFingerGesture

getCurrentSpan, getCurrentSpanX, getCurrentSpanY, getFocalPoint, getPointersCount, getPreviousSpan, getPreviousSpanX, getPreviousSpanY, getRequiredPointersCount, getSpanThreshold, isSloppyGesture, setSpanThreshold, setSpanThresholdResource

Methods inherited from class com.nbmap.android.gestures.BaseGesture

getCurrentEvent, getGestureDuration, getPreviousEvent, isEnabled, onTouchEvent, removeListener, setListener

Methods inherited from class java.lang.Object

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

Constructor Detail

RotateGestureDetector

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

Method Detail

provideHandledTypes

protected java.util.Set<java.lang.Integer> provideHandledTypes()

Specified by:

provideHandledTypes in class ProgressiveGesture<RotateGestureDetector.OnRotateGestureListener>

analyzeMovement

protected boolean analyzeMovement()

Overrides:

analyzeMovement in class MultiFingerGesture<RotateGestureDetector.OnRotateGestureListener>

canExecute

protected boolean canExecute(int invokedGestureType)

Overrides:

canExecute in class MultiFingerGesture<RotateGestureDetector.OnRotateGestureListener>

gestureStopped

protected void gestureStopped()

Overrides:

gestureStopped in class ProgressiveGesture<RotateGestureDetector.OnRotateGestureListener>

reset

protected void reset()

Overrides:

reset in class MultiFingerGesture<RotateGestureDetector.OnRotateGestureListener>

getDeltaSinceStart

public float getDeltaSinceStart()

Returns rotation change in degrees since the start of the gesture.

Returns:

rotation change since the start of the gesture

getDeltaSinceLast

public float getDeltaSinceLast()

Returns last rotation change difference in degrees calculated in RotateGestureDetector.OnRotateGestureListener.onRotate(RotateGestureDetector, float, float)

Returns:

rotation change since last callback

getAngleThreshold

public float getAngleThreshold()

Get the threshold angle between first and current fingers position for this detector to actually qualify it as a rotation gesture.

Returns:

Angle threshold for rotation gesture

setAngleThreshold

public void setAngleThreshold(float angleThreshold)

Set the threshold angle between first and current fingers position for this detector to actually qualify it as a rotation gesture.

Parameters:

angleThreshold - angle threshold for rotation gesture