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public interface DirectionListener
Generic listener interface to listen for changes in direction.
Method Summary | |
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void |
updateDirection(boolean isForward)
Listener method invoked to report direction updates. |
Method Detail |
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void updateDirection(boolean isForward)
Implementing classes must call this method every time the direction changes but are not restricted from calling it more often.
isForward
- true if the direction is forward, false if it is reverse
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