stanford.androidlib

Class OnSwipeListener

java.lang.Object

stanford.androidlib.OnSwipeListener

All Implemented Interfaces:

View.OnTouchListener

public class OnSwipeListener
extends Object
implements View.OnTouchListener

This class makes it easier to detect mouse/finger swipe motions on a view.

Nested Class Summary

Nested Classes

Modifier and Type	Class and Description
static interface	OnSwipeListener.OnScaleListenerImpl This interface makes it easier to detect mouse/finger pinch-to-scale motions on a view.
static class	OnSwipeListener.OnSwipeAdapterImpl This class makes it easier to detect mouse/finger swipe motions on a view.
static interface	OnSwipeListener.OnSwipeListenerImpl This interface makes it easier to detect mouse/finger swipe motions on a view.

Constructor Summary

Constructors

Constructor and Description
OnSwipeListener(Context context) Constructs a new listener for the given context (activity or fragment).

Method Summary

Modifier and Type	Method and Description
void	onScale(float factor) You can override this method if you want to subclass OnSwipeListener.
void	onSwipeDown(float distance) You can override this method if you want to subclass OnSwipeListener.
void	onSwipeLeft(float distance) You can override this method if you want to subclass OnSwipeListener.
void	onSwipeRight(float distance) You can override this method if you want to subclass OnSwipeListener.
void	onSwipeUp(float distance) You can override this method if you want to subclass OnSwipeListener.
boolean	onTouch(View view, MotionEvent event) Internal method used to implement mouse touch events.
OnSwipeListener	setAnimated(boolean anim) Sets whether the view should animate itself when it snaps back or slides off screen.
OnSwipeListener	setAnimationDelay(long ms) Sets the number of milliseconds long that each drag/snap animation will take.
OnSwipeListener	setDistanceThreshold(float px) Sets the number of pixels before the listener considers the user to have swiped.
OnSwipeListener	setDragHorizontal(boolean drag) Sets whether the view should track the user's finger as it is dragged horizontally.
OnSwipeListener	setDragSnapBack(boolean snap) Sets whether the view should snap back into position when the user stops dragging it.
OnSwipeListener	setDragSnapThreshold(float px) Sets the number of pixels in which the view will "snap back" if dragged.
OnSwipeListener	setDragVertical(boolean drag) Sets whether the view should track the user's finger as it is dragged vertically.
OnSwipeListener	setExitScreenOnSwipe(boolean exit) Sets whether the view should slide itself off the screen once it has been swiped.
OnSwipeListener	setVelocityThreshold(float px) Sets the rate of finger speed before the listener considers the user to have swiped.

Methods inherited from class java.lang.Object

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

Constructor Detail

OnSwipeListener

public OnSwipeListener(Context context)

Constructs a new listener for the given context (activity or fragment).

Method Detail

onSwipeLeft

public void onSwipeLeft(float distance)

You can override this method if you want to subclass OnSwipeListener. Called when the user swipes the view to the left.

onSwipeRight

public void onSwipeRight(float distance)

You can override this method if you want to subclass OnSwipeListener. Called when the user swipes the view to the right.

onSwipeUp

public void onSwipeUp(float distance)

You can override this method if you want to subclass OnSwipeListener. Called when the user swipes the view upward.

onSwipeDown

public void onSwipeDown(float distance)

You can override this method if you want to subclass OnSwipeListener. Called when the user swipes the view downward.

onScale

public void onScale(float factor)

You can override this method if you want to subclass OnSwipeListener. Called when the user pinches to zoom.

onTouch

public final boolean onTouch(View view,
                             MotionEvent event)

Internal method used to implement mouse touch events. Not to be called directly by clients.

Specified by:

onTouch in interface View.OnTouchListener

setDistanceThreshold

public OnSwipeListener setDistanceThreshold(float px)

Sets the number of pixels before the listener considers the user to have swiped.

setVelocityThreshold

public OnSwipeListener setVelocityThreshold(float px)

Sets the rate of finger speed before the listener considers the user to have swiped.

setDragSnapThreshold

public OnSwipeListener setDragSnapThreshold(float px)

Sets the number of pixels in which the view will "snap back" if dragged.

setAnimationDelay

public OnSwipeListener setAnimationDelay(long ms)

Sets the number of milliseconds long that each drag/snap animation will take.

setExitScreenOnSwipe

public OnSwipeListener setExitScreenOnSwipe(boolean exit)

Sets whether the view should slide itself off the screen once it has been swiped.

setDragHorizontal

public OnSwipeListener setDragHorizontal(boolean drag)

Sets whether the view should track the user's finger as it is dragged horizontally.

setDragVertical

public OnSwipeListener setDragVertical(boolean drag)

Sets whether the view should track the user's finger as it is dragged vertically.

setDragSnapBack

public OnSwipeListener setDragSnapBack(boolean snap)

Sets whether the view should snap back into position when the user stops dragging it.

setAnimated

public OnSwipeListener setAnimated(boolean anim)

Sets whether the view should animate itself when it snaps back or slides off screen.