Android multi touch

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Handle multi-touch gestures | Android Developers2019年12月27日 · A multi-touch gesture is when multiple pointers (fingers) touch the screen at the same time. This lesson describes how to detect gestures ...处理多点触控手势| Android 开发者2020年6月3日 · Many touch events later... // Use the pointer ID to find the index ... Log.d(DEBUG_TAG, "Multitouch event") } else { // Single touch eventRespond to touch events | Android Developers2020年1月14日 · The key to making your OpenGL ES application touch interactive is expanding your implementation of GLSurfaceView to override the ...Use touch gestures | Android Developers2020年11月18日 · 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 ...Drag and scale | Android Developers2020年5月29日 · To do this, it tracks the ACTION_POINTER_DOWN and ACTION_POINTER_UP events described in Handling Multi-Touch Gestures. ACTION_POINTER_DOWN and ...Track touch and pointer movements | Android Developers2019年12月27日 · There are several different ways to track movement in a gesture, depending on the needs of your application. For example:.MotionEvent | Android Developers2021年2月24日 · Some devices can report multiple movement traces at the same time. Multi-touch screens emit one movement trace for each finger.Multi-window support | Android DevelopersThe user experience depends on the version of the Android OS and the kind of device: Handheld devices running Android 7.0 offer split-screen mode. In this mode, ...Manage touch events in a ViewGroup | Android Developers2021年7月9日 · MyViewGroup contains multiple child views. If you drag your finger across a child view horizontally, the child view should no longer get touch ...Detect common gestures | Android Developers2020年7月8日 · Overview · Create multiple APKs for different API levels ... A "touch gesture" occurs when a user places one or more fingers on the touch ...