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15 de abr. de 2024 · Track touch and pointer movements. This class describes how to write apps that allow users to interact with an app via touch gestures. Android provides a variety of APIs to help you create and detect gestures.
15 de abr. de 2024 · There are several ways to track movement in a gesture, depending on the needs of your application. The following are examples: The starting and ending position of a pointer, such as moving an on-screen object from point A to point B. The direction the pointer is traveling in, as determined by the X and Y coordinates. History.
22 de feb. de 2024 · Intercept touch events in a ViewGroup. Process ACTION_OUTSIDE events. Use ViewConfiguration constants. Extend a child view's touchable area. Handling touch events in a ViewGroup takes special care because it's common for a ViewGroup to have children that are targets for different touch events than the ViewGroup itself.
4 Answers. Sorted by: 76. You can use ACTION_UP: http://developer.android.com/reference/android/view/MotionEvent.html#ACTION_UP. View view = new View(); view.setOnTouchListener(new OnTouchListener () { public boolean onTouch(View view, MotionEvent event) { if (event.getAction() == android.view.MotionEvent.ACTION_DOWN) {
29 de jun. de 2010 · 5 Answers. Sorted by: 35. Try code below to detect touch events. mView.setOnTouchListener(new OnTouchListener() { @Override. public boolean onTouch(View v, MotionEvent event) { //show dialog here. return false; } }); To show dialog use Activity method showDialog (int). You have to implement onCreateDialog (). See documentation for details.
3 de may. de 2024 · Animate a scroll gesture. On this page. Understand scrolling terminology. Components that contain built-in scrolling implementations. Create a custom touch-based scrolling implementation. Implement the stretch overscroll effect. Catch the animation. Release the overscroll effect. Opt out of overscroll. Additional resources. Try the Compose way.
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