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Editorial Team
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Asked: 2026-06-17T19:48:37+00:00

In my application, i’m using a Webview to load different versions of a website

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In my application, i’m using a Webview to load different versions of a website based on user’s preferred language.Using WebFrame’s loadRequest method for this –

[[aWebView mainFrame] loadRequest:[NSURLRequest requestWithURL:[NSURL URLWithString:aStr]]];

If, aStr contains english alphabets only,i.e if aStr = http : // ……/language/English ,then its working fine & the webpage loads. But if aStr is something like http: //……/language/ウンウンウン(Japanese), nothing happens, neither WebView loads, nor it throws any error. If i paste the same link in Safari, the webpage loads there. Any suggestion on how to fix this issue?

I’ve also tried [aWebView setMainFrameURL:aStr] method. Same issue there too.

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1 Answer

  1. Editorial Team

    You have to escape the invalid URL characters in aStr before you can use it to create the NSURL using [aStr stringByAddingPercentEscapesUsingEncoding:NSUTF8StringEncoding]. 

    //Encode invalid URL characters
aStr = [aStr stringByAddingPercentEscapesUsingEncoding:NSUTF8StringEncoding]
[[aWebView mainFrame] loadRequest:[NSURLRequest requestWithURL:[NSURL URLWithString:aStr]]];

    URLWithString: returns a nil value if the string is invalid. Which is why you your UIWebView has no error and does not load anything.

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