怎么设置苹果手机导航栏的按钮？

1、首先打开手机，设置在手机上的位置可能不同，然后在手机上面找到设置，进入设置。

2、找到设置之后往下拉，然后在设置的功能里面找到智能辅助，然后点击进入智能辅助。

3、找到时能辅助之后，然后在智能辅助里面找到导航栏，点击进入导航栏。

4、找到导航栏之后就会看到需要设置的三个键，好几种风格，选择喜欢的之后后面有一个小点，点击即可，然后返回到手机主界面。

5、返回到手机主界面之后，就可以看到我们设置好的三个键出来了。

//self.navigationItem.title = @"标题"

UIView*redView = [[UIViewalloc]initWithFrame:CGRectMake(0,0,140,40)]

redView.backgroundColor= [UIColorredColor]

UIView*greenView = [[UIViewalloc]initWithFrame:CGRectMake(20,5,100,30)]

greenView.backgroundColor= [UIColorgreenColor]

[redViewaddSubview:greenView]

self.navigationItem.titleView= redView

//右边

UIBarButtonItem*rightItem = [[UIBarButtonItemalloc]initWithTitle:@"个人信息"style:UIBarButtonItemStylePlaintarget:selfaction:@selector(goUserInfoVc:)]

UIBarButtonItem*rightItem2 = [[UIBarButtonItemalloc]initWithBarButtonSystemItem:UIBarButtonSystemItemCameratarget:nilaction:nil]

self.navigationItem.rightBarButtonItems=@[rightItem,rightItem2]

//左边

UIBarButtonItem*leftItem = [[UIBarButtonItemalloc]initWithBarButtonSystemItem:UIBarButtonSystemItemAddtarget:nilaction:nil]

//通过图片创建barButtonItem

//生成一张不受父视图tintColor影响的图片

UIImage*image = [[UIImageimageNamed:@"github_grayscale"]imageWithRenderingMode:UIImageRenderingModeAlwaysOriginal]

UIBarButtonItem*leftItem2 = [[UIBarButtonItemalloc]initWithImage:imagestyle:UIBarButtonItemStylePlaintarget:nilaction:nil]

self.navigationItem.leftBarButtonItems=@[leftItem,leftItem2]

//设置导航栏

//self.navigationController.navigationBar.backgroundColor = [UIColor greenColor]

//设置导航栏的背景色

//self.navigationController.navigationBar.barTintColor = [UIColor greenColor]

//设置导航栏的样式

/*

UIBarStyleDefault浅

UIBarStyleBlack深

UIBarStyleBlackTranslucent

*/

self.navigationController.navigationBar.barStyle=UIBarStyleDefault

//设置背景图片不透明

//self.navigationController.navigationBar.translucent = NO

//修改导航左右内容的颜色

self.navigationController.navigationBar.tintColor= [UIColorgrayColor]

//隐藏自带的背景图片

[self.navigationController.navigationBarsetBackgroundImage:[[UIImagealloc]init]forBarMetrics:UIBarMetricsDefault]

//隐藏阴影图片

[self.navigationController.navigationBarsetShadowImage:[[UIImagealloc]init]]

//设置导航的toolBar

//把toolBar显示出来

self.navigationController.toolbarHidden=NO

UIBarButtonItem*toolBarItem = [[UIBarButtonItemalloc]initWithBarButtonSystemItem:UIBarButtonSystemItemPlaytarget:nilaction:nil]

UIBarButtonItem*toolBarItem2 = [[UIBarButtonItemalloc]initWithBarButtonSystemItem:UIBarButtonSystemItemStoptarget:nilaction:nil]

UIBarButtonItem*toolBarItem3 = [[UIBarButtonItemalloc]initWithBarButtonSystemItem:UIBarButtonSystemItemEdittarget:nilaction:nil]

//创建木棍特效UIBarButtonItem样式Fixed

UIBarButtonItem*toolBarItem4 = [[UIBarButtonItemalloc]initWithBarButtonSystemItem:UIBarButtonSystemItemFixedSpacetarget:nilaction:nil]

toolBarItem4.width=50

UIBarButtonItem*toolBarItem5 = [[UIBarButtonItemalloc]initWithBarButtonSystemItem:UIBarButtonSystemItemFixedSpacetarget:nilaction:nil]

toolBarItem5.width=100

//创建d簧特效UIBarButtonItem样式Flexible

UIBarButtonItem*toolBarItem6 = [[UIBarButtonItemalloc]initWithBarButtonSystemItem:UIBarButtonSystemItemFlexibleSpacetarget:nilaction:nil]

//50棍- Play - 100棍- Stop -d簧- Edit - 50棍

self.toolbarItems=@[toolBarItem4,toolBarItem, toolBarItem5,toolBarItem2, toolBarItem6,toolBarItem3,toolBarItem4]

附加: 

[self.navigationControllersetNavigationBarHidden:!self.navigationController.navigationBarHiddenanimated:YES]

[self.navigationControllersetToolbarHidden:!self.navigationController.toolbarHiddenanimated:YES]