private static int loadTexture(InputStream is)
    {
        int[] textureId = new int[1];
        Bitmap bitmap;
        bitmap = BitmapFactory.decodeStream(is);

        ByteBuffer byteBuffer = ByteBuffer.allocateDirect(bitmap.getWidth() * bitmap.getHeight() * 4);
        byteBuffer.order(ByteOrder.BIG_ENDIAN);
        IntBuffer ib = byteBuffer.asIntBuffer();

        int[] pixels = new int[bitmap.getWidth() * bitmap.getHeight()];
        bitmap.getPixels(pixels, 0, bitmap.getWidth(), 0, 0, bitmap.getWidth(), bitmap.getHeight());
        for(int i=0; i<pixels.length; i++){
            ib.put(pixels[i] << 8 | pixels[i] >>> 24);
        }

        bitmap.recycle();

        byteBuffer.position(0);
        GLES20.glGenTextures ( 1, textureId, 0 );
        GLES20.glBindTexture ( GLES20.GL_TEXTURE_2D, textureId[0] );

        GLES20.glTexImage2D ( GLES20.GL_TEXTURE_2D, 0, GLES20.GL_RGBA, bitmap.getWidth(), bitmap.getHeight(), 0,
                              GLES20.GL_RGBA, GLES20.GL_UNSIGNED_BYTE, byteBuffer );

        GLES20.glTexParameteri ( GLES20.GL_TEXTURE_2D, GLES20.GL_TEXTURE_MIN_FILTER, GLES20.GL_LINEAR );
        GLES20.glTexParameteri ( GLES20.GL_TEXTURE_2D, GLES20.GL_TEXTURE_MAG_FILTER, GLES20.GL_LINEAR );
        GLES20.glTexParameteri ( GLES20.GL_TEXTURE_2D, GLES20.GL_TEXTURE_WRAP_S, GLES20.GL_CLAMP_TO_EDGE );
        GLES20.glTexParameteri ( GLES20.GL_TEXTURE_2D, GLES20.GL_TEXTURE_WRAP_T, GLES20.GL_CLAMP_TO_EDGE );

        return textureId[0];
    }