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I have an Angular 9 app. I want to show some message when user open it on gmail in-app browser. I did't find a way difference between gmail in-app browser and Safari on iPhone. I've tried those approaches: detect ipad/iphone webview via javascript, check for indexeddb, Navigator.canShare() and they didn't help. navigator.userAgent are same on those browsers. Please help to find differences.

Maksym Krugliachenko
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2 Answers2

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@maksym do you wish to differentiate the user sessions when your website is opened in the web driver of Gmail IOS app?

Walle
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On iPhone, the viewport height is slightly different (iPhone 8: 1445 in Safari, 1461 in Gmail).

If:

  1. user email domain is Gmail
  2. iOS mobile user agent match
    • Gmail viewport size match (different per device)
      • assume user is in Gmail app
      • show interstitial page prompting user to click Safari link in bottom right, & also smaller sized link warning to 'Continue in Gmail app' if you want.

Note: This would not work for custom domains, or you would have to map them somehow.

baussman
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