Svg path is not working in ios.

i am new to iPhone app development ..i am trying to run the svg documet using the code bellow....

SVGDocument *document = [SVGDocument documentNamed"sun.svg"];

[self.view.layer addSublayer:[document layerTree]];



actually my svg documet is this ....

<?xml version="1.0" encoding="utf-8"?>
<!-- Generator: Adobe Illustrator 14.0.0, SVG Export Plug-In . SVG Version: 6.00 Build 43363) -->
<!DOCTYPE svg PUBLIC "-//W3C//DTD SVG 1.1//EN" "http://www.w3.org/Graphics/SVG/1.1/DTD/svg11.dtd">
<svg version="1.1" id="Layer_1" xmlns="http://www.w3.org/2000/svg" xmlns:xlink="http://www.w3.org/1999/xlink" x="0px" y="0px"
width="595.28px" height="841.89px" viewBox="0 0 595.28 841.89" enable-background="new 0 0 595.28 841.89" xml:space="preserve">
<path id="quadcurveABC" d="M 100 350 q 150 -300 300 0"
stroke="blue" stroke-width="5" fill="none" />
</svg>


when i try to run the app ,it does not displays the path.....


it works if i try to run the svg code given bellow,

<svg xmlns="http://www.w3.org/2000/svg" version="1.1">
<circle cx="100" cy="50" r="40" stroke="black"
stroke-width="2" fill="red" />
</svg>

but it does not work with the svg paths .i think so...please help me .......