davidwkeith · November 7, 2024 19:03 · mdeora · Sep 19, 2015 · luigisaggese · Sep 22, 2015
diff --git a/index.html b/index.html
 <!doctype html>
 <html>
 <head>
  <meta charset="utf-8">
  <title>App Redirection</title>
 </head>
 <body>
  <!--
      NOTE: This was a great hack in days gone by, but now both Apple and Google have improved their support for custom
      protocol handlers.

      # References

      * Handle Open URL: http://handleopenurl.com/
      * iOS Smart App Banners: https://developer.apple.com/library/content/documentation/AppleApplications/Reference/SafariWebContent/PromotingAppswithAppBanners/PromotingAppswithAppBanners.html
      * Android Intents: https://developer.android.com/reference/android/content/Intent.html
      * On the desktop you still need to make a custom plugin to do the right thing, or save some sort of user prefernce.
  -->
  
  
  <!-- iframe used for attempting to load a custom protocol -->
  <iframe style="display:none" height="0" width="0" id="loader"></iframe>

  <script>(function(){

    // For desktop browser, remember to pass though any metadata on the link for deep linking
    var fallbackLink = 'http://example.com/my-web-app/'+window.location.search+window.location.hash;


    // Simple device detection
    var isiOS = navigator.userAgent.match('iPad') || navigator.userAgent.match('iPhone') || navigator.userAgent.match('iPod'),
        isAndroid = navigator.userAgent.match('Android');

    // Mobile
    if (isiOS || isAndroid) {
      // Load our custom protocol in the iframe, for Chrome and Opera this burys the error dialog (which is actually HTML)
      // for iOS we will get a popup error if this protocol is not supported, but it won't block javascript
      document.getElementById('loader').src = 'custom-protocol://my-app'+window.location.search+window.location.hash;

      // The fallback link for Android needs to be https:// rather than market:// or the device will try to 
      // load both URLs and only the last one will win. (Especially FireFox, where an "Are You Sure" dialog will appear)
      // on iOS we can link directly to the App Store as our app switch will fire prior to the switch
      // If you have a mobile web app, your fallback could be that instead. 
      fallbackLink = isAndroid ? 'https://play.google.com/store/apps/details?id=com.mycompany.myapp' :
                                 'itms-apps://itunes.apple.com/app/my-app/idxxxxxxxx?mt=8' ;
    }

    // Now we just wait for everything to execute, if the user is redirected to your custom app
    // the timeout below will never fire, if a custom app is not present (or the user is on the Desktop)
    // we will replace the current URL with the fallbackLink (store URL or desktop URL as appropriate)
    window.setTimeout(function (){ window.location.replace(fallbackLink); }, 1);


    /*
      Q&A

      I have a native desktop app as well, how do I link to a custom protocol handler on the desktop?
        IE Only: http://msdn.microsoft.com/en-us/library/ms537512.aspx#Version_Vectors
        All Other Browsers: Use a custom plugin like iTunes does: http://ax.itunes.apple.com/detection/itmsCheck.js

    */

  })();</script>
 </body>
 </html>
	<!doctype html>
	<html>
	<head>
	<meta charset="utf-8">
	<title>App Redirection</title>
	</head>
	<body>
	<!--
	NOTE: This was a great hack in days gone by, but now both Apple and Google have improved their support for custom
	protocol handlers.

	# References

	* Handle Open URL: http://handleopenurl.com/
	* iOS Smart App Banners: https://developer.apple.com/library/content/documentation/AppleApplications/Reference/SafariWebContent/PromotingAppswithAppBanners/PromotingAppswithAppBanners.html
	* Android Intents: https://developer.android.com/reference/android/content/Intent.html
	* On the desktop you still need to make a custom plugin to do the right thing, or save some sort of user prefernce.
	-->


	<!-- iframe used for attempting to load a custom protocol -->
	<iframe style="display:none" height="0" width="0" id="loader"></iframe>

	<script>(function(){

	// For desktop browser, remember to pass though any metadata on the link for deep linking
	var fallbackLink = 'http://example.com/my-web-app/'+window.location.search+window.location.hash;


	// Simple device detection
	var isiOS = navigator.userAgent.match('iPad') \|\| navigator.userAgent.match('iPhone') \|\| navigator.userAgent.match('iPod'),
	isAndroid = navigator.userAgent.match('Android');

	// Mobile
	if (isiOS \|\| isAndroid) {
	// Load our custom protocol in the iframe, for Chrome and Opera this burys the error dialog (which is actually HTML)
	// for iOS we will get a popup error if this protocol is not supported, but it won't block javascript
	document.getElementById('loader').src = 'custom-protocol://my-app'+window.location.search+window.location.hash;

	// The fallback link for Android needs to be https:// rather than market:// or the device will try to
	// load both URLs and only the last one will win. (Especially FireFox, where an "Are You Sure" dialog will appear)
	// on iOS we can link directly to the App Store as our app switch will fire prior to the switch
	// If you have a mobile web app, your fallback could be that instead.
	fallbackLink = isAndroid ? 'https://play.google.com/store/apps/details?id=com.mycompany.myapp' :
	'itms-apps://itunes.apple.com/app/my-app/idxxxxxxxx?mt=8' ;
	}

	// Now we just wait for everything to execute, if the user is redirected to your custom app
	// the timeout below will never fire, if a custom app is not present (or the user is on the Desktop)
	// we will replace the current URL with the fallbackLink (store URL or desktop URL as appropriate)
	window.setTimeout(function (){ window.location.replace(fallbackLink); }, 1);


	/*
	Q&A

	I have a native desktop app as well, how do I link to a custom protocol handler on the desktop?
	IE Only: http://msdn.microsoft.com/en-us/library/ms537512.aspx#Version_Vectors
	All Other Browsers: Use a custom plugin like iTunes does: http://ax.itunes.apple.com/detection/itmsCheck.js

	*/

	})();</script>
	</body>
	</html>
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