title: What is the path of photos album on iPhone device?
body: <p>I was trying to save a PNG file to photos albums folder on the iPhone device with a .png extension so that the transparency remains..</p>
  
  <p>My question is:
  What is the path of photos album UIImageWriteToSavedPhotosAlbum function is using?
  I am using data write to file method..</p>
  
  <p>Thanks</p>