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Is there a third-party library for Android Pinch Zoom

Does anyone know if there is a 3rd patch library (or built-in) that helps in detecting and handling the zoom event?

Basically, what I'm looking for is some class that takes coordinates from a touch event and whether its event returns with scaling or not ...

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4 answers

Take a look at this: http://code.google.com/p/android-pinch/

Not much activity, but you can see the code.

this question should also help you: There is a built-in API for working with the zoom function in Android .

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An Android developer blog post at http://android-developers.blogspot.com/2010/06/making-sense-of-multitouch.html explains the general handling of multitouch events, and also provides examples of ScaleGestureDetector , an Android framework component that detects gestures zoom zoom and accesses your code to process it.

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I think you should take a look at this library on Github https://github.com/sephiroth74/ImageViewZoom

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Is this help? It may be a little easier than you thought: Implementing a hard zoom zoom

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Source: https://habr.com/ru/post/886921/

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