Add support for app link scheme

react/features/base/util/uri.js

 // @flow
 
+/**
+ * The app linking scheme.
+ * TODO: This should be read from the manifest files later.
+ */
+export const APP_LINK_SCHEME = 'org.jitsi.meet:';
+
 /**
  * The {@link RegExp} pattern of the authority of a URI.
  *
                     // XXX The value of domain in supposed to be host/hostname
                     // and, optionally, pathname. Make sure it is not taken for
                     // a pathname only.
-                    _fixURIStringScheme(`org.jitsi.meet://${domain}`));
+                    _fixURIStringScheme(`${APP_LINK_SCHEME}//${domain}`));
 
             // authority
             if (host) {

react/features/calendar-sync/middleware.js

 
 import { SET_ROOM } from '../base/conference';
 import { MiddlewareRegistry } from '../base/redux';
-import { parseURIString } from '../base/util';
+import { APP_LINK_SCHEME, parseURIString } from '../base/util';
 
 import { APP_WILL_MOUNT } from '../app';
 
  *
  */
 function _getURLFromEvent(event, knownDomains) {
+    const linkTerminatorPattern = '[^\\s<>$]';
+    /* eslint-disable max-len */
     const urlRegExp
-        = new RegExp(`http(s)?://(${knownDomains.join('|')})/[^\\s<>$]+`, 'gi');
+        = new RegExp(`http(s)?://(${knownDomains.join('|')})/${linkTerminatorPattern}+`, 'gi');
+    /* eslint-enable max-len */
+    const schemeRegExp
+        = new RegExp(`${APP_LINK_SCHEME}${linkTerminatorPattern}+`, 'gi');
     const fieldsToSearch = [
         event.title,
         event.url,
     for (const field of fieldsToSearch) {
         if (typeof field === 'string') {
             if (
-                (matchArray = urlRegExp.exec(field)) !== null
+                (matchArray
+                    = urlRegExp.exec(field) || schemeRegExp.exec(field))
+                        !== null
             ) {
                 return matchArray[0];
             }