如何使UIImage圆角，而不是圆角

Question

Draw a circle,make a rounded UIImageView in it.How to get this, please guide me. thx!

Answer 1

Let's put it this way,

• First we create a UIImageView to the size of the circle you want.Let's say you want this image to be a circular image,

http://united4iran.org/wp-content/uploads/2010/11/cell-phone-in-canada.jpg

• Then you create another UIImageView one top of the previous one to the size of 320x480 and set this image to it (Assume this image size is 320x480),

Note: also remember that inner area of the circle in above image is transparent.

• Then you should get a image like this,

http://img580.imageshack.us/img580/782/testjkn.png

Hope this will help you.