Android detecting all supported Gestures

The term “gesture” is used to define a contiguous sequence of interactions between the touch screen and the user. A typical gesture begins at the point that the screen is first touched and ends when the last finger or pointing device leaves the display surface. Gestures can be implemented as a form of communication between user and application. Swiping motions to turn the pages of an eBook , or a pinching movement involving two touches to zoom in or out of an image are prime examples of the ways in which gestures can be used to interact with an application. Some common gestures that android supports are pinch , double tap, scrolls , long presses and fling .

Android provides GestureDetector class to receive motion events and tell us that these events correspond to gestures or not. To use it , you need to create an object of GestureDetector and then extend another class with GestureDetector.SimpleOnGestureListener to act as a listener and override some methods .

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