you connect  any UI Controll like a UITextFiled  IBOutlet var name myTextFiled ,select strong qualifier , when you remove  myTextFiled superview from controller’s view ,  the myTextFiled cannot release Immediately because controller has a strong refrence.if  myTextFiled qualifier is weak,when its superview is removed,myTextFiled can be release.



发表评论

You can use these tags: <a href="" title=""> <abbr title=""> <acronym title=""> <b> <blockquote cite=""> <cite> <code> <del datetime=""> <em> <i> <q cite=""> <strike> <strong>

CAPTCHA image