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15 de abr. de 2024 · Learn how to use touch and input in Compose. Handling user interactions →. The following pages cover everything about user input, from basic touch input and gestures to keyboards and game controllers. You can add convenient features such as copy and paste and spell checking to your app.
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) {
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.
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.
Any motion of the touch between the ACTION_DOWN and ACTION_UP events will be represented by ACTION_MOVE events. When more than one touch is performed simultaneously on a view, the touches are referred to as pointers. In a multi-touch scenario, pointers begin and end with event actions of type ACTION_POINTER_UP and ACTION_POINTER_DOWN respectively.
28 de jun. de 2016 · This tutorial describes how to use the touch API in Android applications. 1. Android Touch. 1.1. Android touch basics. The Android standard View class support touch events. You can react to touch events in your custom views and your activities. Android supports multiple pointers, e.g. fingers which are interacting with the screen.
13 de oct. de 2019 · Android supports a range of touch gestures, including tap, double tap, pinch, swipe, scroll, long press, drag and fling. Although drag and fling are similar, drag is the type of scrolling that...
