Something wrong in the API DEMO camera

getOptimalPreviewSize.java

// Something wrong in the API DEMO
private Size getOptimalPreviewSize(List<Size> sizes, int w, int h) {
		
        final double ASPECT_TOLERANCE = 0.17;
        double targetRatio = (double) h / w;
        if (sizes == null) return null;

        Size optimalSize = null;
        double minDiff = Double.MAX_VALUE;

        int targetWidth = w;

        // Try to find an size match aspect ratio and size
        for (Size size : sizes) {
            double ratio = (double) size.height / size.width;
            if (Math.abs(ratio - targetRatio) > ASPECT_TOLERANCE) continue;
            // added targetWidth >= size.width
            if (targetWidth >= size.width && Math.abs(size.width - targetWidth) < minDiff){
                optimalSize = size;
                minDiff = Math.abs(size.width - targetWidth);
            }
        }

        // Cannot find the one match the aspect ratio, ignore the requirement
        if (optimalSize == null) {
            minDiff = Double.MAX_VALUE;
            for (Size size : sizes) {
            	// added targetWidth >= size.width
                if (targetWidth >= size.width && Math.abs(size.width - targetWidth) < minDiff) {
                    optimalSize = size;
                    minDiff = Math.abs(size.width - targetWidth);
                }
            }
        }
        return optimalSize;
    }