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Editorial Team
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Asked: 2026-05-30T17:29:53+00:00

My question seems really silly. But I really headache with this question. For example

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My question seems really silly. But I really headache with this question. For example you use canvas to draw something on Screen (example: line, square) You just take one line of code. So, when debug, when you go through that line, and bad result ( nothing happened, not draw what you want,…) You totally know that something wrong with that line or parameter of its method.

But when I come to OpenGL, just a triangle (with color texture,…), you must use “many line of code” : create byteBuffer, convert to floatBuffer, enable some state that you will use… And when debug, something wrong, I cannot know why (It can be wrong parameter, or I missing something,…). Debugger just help me view flow-of-code and see how it work.

I need some advice of people here to overcome this. Please help me.

thanks 🙂

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1 Answer

  1. Editorial Team

    The first thing I would do is look at Logcat output. Look for errors coming from your app.

    To see Logcat output in Eclipse, find the DDMS view.

    Otherwise, you can go to:
    Window > Show View > Other
    Then expand Android and then select Logcat

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