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Editorial Team
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Asked: 2026-05-24T12:36:56+00:00

I have a test UIWebView. I loaded a small amount of custom HTML into

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I have a test UIWebView. I loaded a small amount of custom HTML into it. Nothing special — two pages, a little text, and a small image on one of the pages. I am using it to test out the class.

One problem I am having is that my ability to zoom in and out is very limited. It seems that even if I set the minimumZoomScale and maximumZoomScale properties of the UIWebView’s UIScrollView, something resets them to a factor of 1.5 or smaller ratio. And if I try to set them often, the app gets very unhappy and is prone to crash.

Can anyone explain what is going on?

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1 Answer

  1. Editorial Team

    You need to put the following line in the head section of your HTML document.

    <meta name="viewport" content="user-scalable=yes,maximum-scale=5.0,minimum-scale=0.25" />

    Docs regarding this: http://developer.apple.com/library/safari/#documentation/appleapplications/reference/SafariHTMLRef/Articles/MetaTags.html

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