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https://source.android.com/devices/input/touch-devices
Touch device drivers no longer need Android-specific customizations. By relying on the standard Linux input protocol, Android can support a wider variety of touch peripherals, such as external HID multi-touch touch screens, using unmodified drivers. Touch Device Operation. The following is a brief summary of the touch device operation on Android.
https://developer.android.com/training/gestures/multi
Handle multi-touch gestures A multi-touch gesture is when multiple pointers (fingers) touch the screen at the same time. This lesson describes how to detect gestures that involve multiple pointers.
https://developer.android.com/guide/practices/screens_support
Android runs on a variety of devices that have different screen sizes and pixel densities. The system performs basic scaling and resizing to adapt your user interface to different screens, but there is more work you should do to ensure your UI gracefully adapts for each type of screen.
https://source.android.com/devices/tech/display/multi_display/input-routing
If you specify an association for a specific input device and the corresponding display isn't present in the system, the input device is disabled until the respective display appears. The association is performed only for touch devices. Routing for dynamic multi-displays. Android 10 enables you to …
https://stackoverflow.com/questions/7243676/android-multitouch-in-supported-devices
let's say I'd like to have an image view in my app with zoom is it possible to add multitouch event listeners on phones that do support multi touch (API 7+), while on older phones show zoom buttons? Can this be done in a single version of the app or do I need multiple app versions and multiple APKs?
https://www.badlogicgames.com/wordpress/?p=1007
Sep 24, 2010 · Real multi-touch support from day 1 would have been the bestest thing since sliced bread for Android in my opinion. I can live with a software renderer for OpenGL, even one that does only affine texture mapping. But having this mess of multi-touch support is just sad. I still love Android and think Google is doing a fine job! It’s everyone ...
https://stackoverflow.com/questions/2679473/android-multi-touch-support
I wonder if is the Android multi-touch support reliable? I've read it suffers from some problems. I also wonder, how can I define custom multi-touch gestures? Like: 3 fingers rotate or 3 fingers stay static and fourth is moving. I've come across some resources (Gestures or MotionEvent on developer.android.com) but nothing states it clearly ...
https://www.android.com/phones-tablets/
Get the best of Android on lower RAM devices. Reimagined apps like YouTube Go and Google Go take up less space and start up faster. Data Saver helps you manage your data. And the Play Store continually gets new apps made just for Android (Go edition). ... 2 Confirm exact duration of support for your phones in your territory with smartphone ...
https://android-developers.googleblog.com/2010/06/making-sense-of-multitouch.html
Android Developers Blog. ... The code above has a bug on devices that support multiple pointers. While dragging the image around the screen, place a second finger on the touchscreen then lift the first finger. ... Since apps can have vastly different needs, Android does not spend time cooking touch data into higher level events unless you ...
https://docs.microsoft.com/en-us/xamarin/android/app-fundamentals/touch/touch-in-android
Android can support many different types of gestures, from a simple fling across the screen to complex gestures that involve multi-touch. Android provides the Android.Gestures namespace specifically for managing and responding to gestures. At the heart of all gestures is a special class called Android.Gestures.GestureDetector.
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