隐藏ui导航左栏按钮

Question

我正在尝试隐藏uinavigationbar Leftbarbutton

 self.navigationItem.leftBarButtonItem.hidden = YES;

 self.navigationController.navigationItem.leftBarButtonItem.hidden =YES; 

我写了这段代码，但是对我来说这对我来说并不适用。

Answer 1

self.navigationItem.hidesBackButton = YES;