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NavController is the base class for navigation controller components like Nav and Tab . You use navigation controllers to navigate to pages in your app. At a basic level, a navigation controller is an array of pages representing a particular history (of a Tab for example). This array can be manipulated to navigate throughout an app by pushing and popping pages or inserting and removing them at arbitrary locations in history.

The current page is the last one in the array, or the top of the stack if we think of it that way. Pushing a new page onto the top of the navigation stack causes the new page to be animated in, while popping the current page will navigate to the previous page in the stack.

Unless you are using a directive like NavPush , or need a specific NavController, most times you will inject and use a reference to the nearest NavController to manipulate the navigation stack.

Basic usage

The simplest way to navigate through an app is to create and initialize a new nav controller using the <ion-nav> component. ion-nav extends the NavController class.

Injecting NavController will always get you an instance of the nearest NavController, regardless of whether it is a Tab or a Nav.

Behind the scenes, when Ionic instantiates a new NavController, it creates an injector with NavController bound to that instance (usually either a Nav or Tab) and adds the injector to its own providers. For more information on providers and dependency injection, see Dependency Injection .

Instead, you can inject NavController and know that it is the correct navigation controller for most situations (for more advanced situations, see Nike Downshifter 7 Sneaker Discount Pay With Visa Official Site Online Buy Online With Paypal Outlet Free Shipping Authentic DRXj6k5dG0
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What if you want to control navigation from your root app component? You can't inject NavController because any components that are navigation controllers are children of the root component so they aren't available to be injected.

By adding a reference variable to the ion-nav , you can use @ViewChild to get an instance of the Nav component, which is a navigation controller (it extends NavController ):

What if you wanted to navigate from an overlay component (popover, modal, alert, etc)? In this example, we've displayed a popover in our app. From the popover, we'll get a reference of the root NavController in our app, using the getRootNav() method.

Views are created when they are added to the navigation stack. For methods like push() , the NavController takes any component class that is decorated with @Component as its first argument. The NavController then compiles that component, adds it to the app and animates it into view.


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[Tweet “A good website makes your phone ring. – @crestodina #webdesigntips”]

For more ideas on mobile navigation and buttons, read MALIBU PATCH Trainers regular black Cheap Footlocker Pictures fh9tb

We hope these tips gave you new ideas and inspiration for your menus. Ideally, you can implement your ideas quickly in your content management system. A good site is flexible, letting you adjust the labels and order of your menus.

There are exceptions to every rule. Not sure if you should make a change? Ask an expert web strategist to review your Analytics with you.

Make your navigation work well for both human visitors and search engine robots. Your Analytics will thank you for it!

Any other ideas or questions? What about the “home” button? Is it necessary? Do you put your phone number in your header? Add your comment below.

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Comments (17)
on 9/15/16

Great piece, Andy! I’ve been working in SEO for years and I still learn something new from each of your articles. Thanks for the intro to the Link Juice Test.

on 9/16/16

I think it always will be between the minimalism, the user needs, a false UX and our appetency to show more. Thank you very much. I have 10+ years of the marketing experience but your articles is very useful for me,

on 9/22/16

Hi Andy!

I have a question about two different options for navigation, and I’ll use a ‘Services’ link as an example –

1. Services is listed on the navigation menu and when it’s clicked a dropdown menu appears with a list of 8 services. Each service brings you to it’s own page.

2. Services is listed on the navigation menu and it leads directly to a page called Services which then includes 8 links to 8 separate pages about those services.

Is one of these options better for SEO? I like option 2 better, but I was told that the more information is in the navigation bar, the better.


on 1/12/17

I would generally prefer option two, since it’s a better way to guide visitors through the site. But if you have a lot of options (10+) the “mega dropdown” might be a good choice.

And I would look for any label other than “services.” Try to be descriptive! It’s better SEO and better UX…

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on 11/1/16

If you can’t identify the seven most important things to put on your menu, without drop-downs and with concise yet informative descriptions, you probably haven’t put enough thought into what your website is about.

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