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  4. Is your Ionic View Title Not Updating?

Is your Ionic View Title Not Updating?

When you have problems with the title in your apps, make sure you're not making this common mistake

Raymond Camden user avatar by
Raymond Camden
·
Dec. 26, 15 · Tutorial
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Ok, so I run into this once a month or so. I’m writing this just so I can – hopefully – remember it this time. This isn’t a bug or anything in Ionic – but I’m wondering if it should be documented a bit more clearer for people like me. (AKA old dense people.)

Alright – so given an Ionic app where templates are a dynamic title, this is not going to work:


<ion-view title="{{film.title]}">
    <ion-content overflow-scroll="true" padding="true" class="has-header">
        <div>
            <p>The opening crawl would go here.</p>
        </div>
    </ion-content>
</ion-view>

Oddly – it will work sometimes – like if you happen to reload on that page itself – but not consistently. I’m sure there are Good(tm) reasons for this that make perfect sense, and I bet it revolves around Scope. I love Angular. Scope makes me want to push needles into my eyes though.

So how do you fix it? Switch to using <ion-nav-title>.


<ion-view>
    <ion-nav-title>{{film.title}}</ion-nav-title>
    <ion-content overflow-scroll="true" padding="true" class="has-header">
        <div>
            <p>The opening crawl would go here.</p>
        </div>
    </ion-content>
</ion-view>

As I said – this is documented. Kinda. The docs for ion-view say:

“A text-only title to display on the parent ionNavBar. For an HTML title, such as an image, see ionNavTitle instead.”

But in my mind, {{film.title}} resolves to “Foo” which is text only, so it should work. I looked at the docs for ionNavTitle too and nothing there really seems to make it obvious. Maybe the ionView docs should have a callout/note/etc about this situation? Like I said – I swear I hit this once a month – but admittedly my memory is crap and I tend to repeat mistakes all the time.

Ionic (mobile app framework)

Published at DZone with permission of Raymond Camden, DZone MVB. See the original article here.

Opinions expressed by DZone contributors are their own.

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  • Ionic App Development Over Other Frameworks: Is It Hyped?
  • Interactive Data Visualization in Ionic 5
  • Ionic Vs. React Native - Which Framework Is Better for Cross-Platform Mobile App Development?

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