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Editorial Team
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Asked: 2026-05-25T23:55:52+00:00

I have a UI that haes a GLSurfaceView that shows a polygon. The UI

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I have a UI that haes a GLSurfaceView that shows a polygon.

The UI haves also two buttons ZoomIn and ZoomOut. When the user press these buttons, the zoomIn() and zoomOut() methods of myGLSurfaceView are called.

The problem is that i want that the method onDrawFrame get’s called to get reflected the zoom in & out.

Why i want this? because the buttons have setClickable(true); why? because i need that if the user leaves the finger presing the button, the zoom get’s applied continuosly until the user releases the buton.

Now it works but it works bad, i need to refresh the GLsurfaceview forcing onDrawFrame

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1 Answer

  1. Editorial Team

    solved using threads and press/release events of the finger

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