{var%20f='http://v.t.sina.com.cn/share/share.php?appkey=1515056452',u=z||d.location,p=['&url=',e(u),'&title=',e(t||d.title),'&source=',e(r),'&sourceUrl=',e(l),'&content=',c||'gb2312','&pic=',e(p||'')].join('');function%20a(){if(!window.open([f,p].join(''),'mb',['toolbar=0,status=0,resizable=1,width=440,height=430,left=',(s.width-440)/2,',top=',(s.height-430)/2].join('')))u.href=[f,p].join('');};if(/Firefox/.test(navigator.userAgent))setTimeout(a,0);else%20a();})(screen,document,encodeURIComponent,'','','https://www.manongdao.com/data/attach/logo/logo.png', '推荐 手持菜刀，她持情操 的问题《self.navigationItem.rightBarButtonItem vs self.nav》','https://www.manongdao.com/q-813711.html','页面编码gb2312|utf-8默认gb2312'));){kind=link}
I'm somewhat confused about using self.navigationItem.rightBarButtonItem and self.navigationController.navigationItem.rightBarButtonItem.
Which one is correct way?
相关问题
- CALayer - backgroundColor flipped?
- Core Data lightweight migration crashes after App
- Core Data lightweight migration crashes after App
- How can I implement password recovery in an iPhone
- State preservation and restoration strategies with
相关文章
- 现在使用swift开发ios应用好还是swift？
- UITableView dragging distance with UIRefreshContro
- Could I create “Call” button in HTML 5 IPhone appl
- TCC __TCCAccessRequest_block_invoke
- Where does a host app handle NSExtensionContext#co
- Unable to process app at this time due to a genera
- Swift - hide pickerView after value selected
- How do you detect key up / key down events from a
The first, i.e.
self.navigationItem.rightBarButtonItem.Every view controller has an associated navigation item. This is what is displayed in a navigation bar. So it's the current view controller's navigation item that you want to manipulate. If you manipulated the navigation controller's navigation item then that would show if the navigation controller (also a view controller) were itself shown inside another navigation controller.