title: draw outer half circle with gradient using core graphics in iOS?
body: <p>i want to draw a shape like in the attached image using core graphics in iOS. Is this possible. Please provide sample code if it possible. <img src="https://i.stack.imgur.com/vsFOD.png" alt="enter image description here"></p>
  
  <p>I want at least 3 color gradient over the shape. </p>