ios 如何在没有IB的情况下向右侧的UINavigationbar添加2个按钮？

How to add 2 buttons into the UINavigationbar on the right side without IB?

提问by Alexander

How can I add 2 buttons into the UINavigationBarwithout XIB?
The 2 buttons should be aligned on the right side of the UINavigationBar.

如何在UINavigationBar没有 XIB的情况下添加 2 个按钮？
2 个按钮应在UINavigationBar.

I know how I can add one button, but how about two?

我知道如何添加一个按钮，但如何添加两个按钮？

回答by domsom

With iOS 5+ it's as easy as:

使用 iOS 5+ 就很简单：

UIBarButtonItem *btnShare = [[UIBarButtonItem alloc] initWithBarButtonSystemItem:UIBarButtonSystemItemAction target:self action:@selector(share)];
UIBarButtonItem *btnRefresh = [[UIBarButtonItem alloc] initWithBarButtonSystemItem:UIBarButtonSystemItemRefresh target:self action:@selector(refresh)];
[self.navigationItem setRightBarButtonItems:[NSArray arrayWithObjects:btnShare, btnRefresh, nil]];

回答by ma11hew28

I posted code(see below) to add two buttons to the right of the navigationBar. You can set barStyle = -1instead of subclassing UIToolbar.

我发布了代码（见下文）以在导航栏的右侧添加两个按钮。您可以设置barStyle = -1而不是子类化UIToolbar。

UIToolbar *tools = [[UIToolbar alloc]
                    initWithFrame:CGRectMake(0.0f, 0.0f, 103.0f, 44.01f)]; // 44.01 shifts it up 1px for some reason
tools.clearsContextBeforeDrawing = NO;
tools.clipsToBounds = NO;
tools.tintColor = [UIColor colorWithWhite:0.305f alpha:0.0f]; // closest I could get by eye to black, translucent style.
                                                              // anyone know how to get it perfect?
tools.barStyle = -1; // clear background
NSMutableArray *buttons = [[NSMutableArray alloc] initWithCapacity:3];

// Create a standard refresh button.
UIBarButtonItem *bi = [[UIBarButtonItem alloc]
    initWithBarButtonSystemItem:UIBarButtonSystemItemRefresh target:self action:@selector(refresh:)];
[buttons addObject:bi];
[bi release];

// Create a spacer.
bi = [[UIBarButtonItem alloc] initWithBarButtonSystemItem:UIBarButtonSystemItemFixedSpace target:nil action:nil];
bi.width = 12.0f;
[buttons addObject:bi];
[bi release];

// Add profile button.
bi = [[UIBarButtonItem alloc] initWithTitle:@"Profile" style:UIBarButtonItemStylePlain target:self action:@selector(goToProfile)];
bi.style = UIBarButtonItemStyleBordered;
[buttons addObject:bi];
[bi release];

// Add buttons to toolbar and toolbar to nav bar.
[tools setItems:buttons animated:NO];
[buttons release];
UIBarButtonItem *twoButtons = [[UIBarButtonItem alloc] initWithCustomView:tools];
[tools release];
self.navigationItem.rightBarButtonItem = twoButtons;
[twoButtons release];

回答by Nathan

You can use a bar button initialized with a toolbaras a custom view.

您可以将使用工具栏初始化的栏按钮用作自定义视图。

UIToolbar* toolbar = [[UIToolbar alloc] initWithFrame:CGRectMake(0.0f, 0.0f, 103.0f, 44.01f)];
NSArray* buttons = [NSArray arrayWithObjects:self.editButtonItem, someOtherButton, nil];
[toolbar setItems:buttons animated:NO];
self.navigationItem.rightBarButtonItem = [[UIBarButtonItem alloc] initWithCustomView:toolbar];

Would give something like this:

会给出这样的东西：

Note: This answer is obsolete for iOS 6 or later

注意：此答案对于 iOS 6 或更高版本已过时

回答by Adnan

Here is the working example from my current project:

这是我当前项目的工作示例：

UIButton *homeBtn =  [UIButton buttonWithType:UIButtonTypeCustom];
[homeBtn setImage:[UIImage imageNamed:@"home-icon"] forState:UIControlStateNormal];
//[homeBtn addTarget:self action:@selector(home) forControlEvents:UIControlEventTouchUpInside];
[homeBtn setFrame:CGRectMake(0, 0, 32, 32)];

UIButton *settingsBtn =  [UIButton buttonWithType:UIButtonTypeCustom];
[settingsBtn setImage:[UIImage imageNamed:@"settings-icon"] forState:UIControlStateNormal];
//[settingsBtn addTarget:self action:@selector(settings) forControlEvents:UIControlEventTouchUpInside];
[settingsBtn setFrame:CGRectMake(44, 0, 32, 32)];

UIView *rightBarButtonItems = [[UIView alloc] initWithFrame:CGRectMake(0, 0, 76, 32)];
[rightBarButtonItems addSubview:homeBtn];
[rightBarButtonItems addSubview:settingsBtn];

self.navigationItem.rightBarButtonItem = [[UIBarButtonItem alloc] initWithCustomView:rightBarButtonItems];

回答by Gurpreet Singh

UINavigationBar *navBarView = [[UINavigationBar alloc] initWithFrame: CGRectMake(0.0f, 0.0f, 320.0f, 42.0f)];
    navBarView.tintColor= [UIColor colorWithRed:90.0/255.0f green:53.0/255.0f blue:45.0/255.0f alpha:1.0];

    UIBarButtonItem *left=[[UIBarButtonItem alloc]initWithTitle:@"Back" style:UIBarButtonItemStylePlain target:self action:@selector(backView)];
    UIBarButtonItem *right=[[UIBarButtonItem alloc]initWithTitle:@"Save" style:UIBarButtonItemStylePlain target:self action:@selector(SaveImage)];
    UIBarButtonItem *Add=[[UIBarButtonItem alloc]initWithBarButtonSystemItem:UIBarButtonSystemItemAdd target:self action:@selector(AddComment:)];

    UINavigationItem *navigationItem = [[UINavigationItem alloc] init];
    navigationItem.leftBarButtonItem = left;
    NSMutableArray *buttonArray=[[NSMutableArray alloc]initWithCapacity:2];
    [buttonArray addObject:right];
    [buttonArray addObject:Add];
    navigationItem.rightBarButtonItems = buttonArray;
    [navBarView pushNavigationItem:navigationItem animated:NO];
[self.view addSubView:navBarView];

回答by LondonGuy

Swift:

迅速：

override func viewDidLoad() {
    super.viewDidLoad()

    // Additional bar button items
    let button1 = UIBarButtonItem(image: UIImage(named: "image1.png"), style: .Plain, target: self, action: "methodA")
    let button2 = UIBarButtonItem(image: UIImage(named: "image2.png"), style: .Plain, target: self, action: "methodB")
    let button3 = UIBarButtonItem(image: UIImage(named: "image3.png"), style: .Plain, target: self, action: "methodC")

    navigationItem.leftItemsSupplementBackButton = true
    navigationItem.setLeftBarButtonItem(button1, animated: true)
    navigationItem.setRightBarButtonItems([button2, button3], animated: true)

Methods for buttons:

按钮的方法：

func methodA() {
    performSegueWithIdentifier("segA", sender: nil)
}

func methodB() {
    performSegueWithIdentifier("segB", sender: nil)
}

func methodC() {
    performSegueWithIdentifier("segC", sender: nil)
}

回答by Dharmbir Singh

SWIFT

迅速

You can do in swiftlike this

你可以像这样快速地做

        var editImg   : UIImage = UIImage(named: "plus")!
        var searchImg : UIImage = UIImage(named: "search")!

        var editBtn : UIBarButtonItem = UIBarButtonItem(image: editImg,  style: UIBarButtonItemStyle.Plain, target: self, action: Selector("editBtnPressed:"))

        var searchBtn : UIBarButtonItem = UIBarButtonItem(image: searchImg,  style: UIBarButtonItemStyle.Plain, target: self, action: Selector ("searchBtnPressed:"))

        var buttons : NSArray = [editBtn, searchBtn]

        self.navigationItem.rightBarButtonItems = buttons

        func editBtnPressed(sender: AnyObject){

        }

        func searchBtnPressed(sender: AnyObject){

        }

回答by Axel Guilmin

Prakash response also work in interface builder.

Prakash 响应也适用于界面构建器。

Drag a UIViewin the UINavigationItem, then you can put several UIButtonas children of this UIViewand create a hierarchy like so :

拖动UIView的UINavigationItem，那么你可以把几个UIButton作为这个孩子UIView，创造像这样一个层次结构：

Set the background color of the UIViewto clear and add some constraints to center vertically the buttons and fix the horizontal position. Here is the result I got with zero line of code:

将 的背景颜色设置UIView为清除并添加一些约束以垂直居中按钮并固定水平位置。这是我用零行代码得到的结果：

回答by prakash

You can create a UIView and add two buttons in that view. And add that UIView as right button :)

您可以创建一个 UIView 并在该视图中添加两个按钮。并将该 UIView 添加为右键：)

UIView* rightItem = [UIView alloc] initWithFrame:frame];
//Create UIButton1 b1
//Create UIButton2 b2
[rightItem addSubview:b1];
[rightItem addSubview:b2];

self.navigationItem.rightBarButtonItem = rightItem;

回答by Alberto Bailac Moreno

In SWIFT, you can add this code to set up two buttons on the right (or left) side:

在 SWIFT 中，您可以添加此代码以在右侧（或左侧）设置两个按钮：

self.navigationItem.rightBarButtonItems = [UIBarButtonItem(barButtonSystemItem: UIBarButtonSystemItem.Action, target: self, action: "barButtonItemClicked"), UIBarButtonItem(barButtonSystemItem: UIBarButtonSystemItem.Search, target: self, action: "barButtonItemClicked")]