What is a Fling event?
For example, a fling gesture involves the user pressing a finger down on the screen, swiping across the screen, and lifting the finger up off the screen while the swipe is still in motion (that is, without slowing down to stop before lifting the finger).
What is fling velocity?
Fling-based animation uses a friction force that is proportional to an object’s velocity. Use it to animate a property of an object and to end the animation gradually. It has an initial momentum, which is mostly received from the gesture velocity, and gradually slows down.
Which motion event does a gesture start with?
A gesture starts with a motion event with ACTION_DOWN that provides the location of the first pointer down. As each additional pointer that goes down or up, the framework will generate a motion event with ACTION_POINTER_DOWN or ACTION_POINTER_UP accordingly.
What is GestureDetector?
android.view.GestureDetector. Detects various gestures and events using the supplied MotionEvent s. The OnGestureListener callback will notify users when a particular motion event has occurred. This class should only be used with MotionEvent s reported via touch (don’t use for trackball events).
What are gestures in Android?
Android provides special types of touch screen events such as pinch , double tap, scrolls , long presses and flinch. These are all known as gestures.
What is gesture detector in android?
The Gesture Detector class is used to detect touch events from the user. The GestureListener supplies the MotionEvent performed by the user. You can use the GestureDetector. SimpleOnGestureListener class to listen to a subset of gestures.
What is onTapDown?
onTapDown. A pointer that might cause a tap with a primary button has contacted the screen at a particular location. This is called after a short timeout, even if the winning gesture has not yet been selected.
What is a gesture detector Android?
android.view.GestureDetector. Detects various gestures and events using the supplied MotionEvent s. The OnGestureListener callback will notify users when a particular motion event has occurred.