[Android] Use loadURL in the app

android/sdk/src/main/java/org/jitsi/meet/sdk/JitsiMeetView.java

 import android.app.Application;
 import android.content.Context;
 import android.content.Intent;
+import android.net.Uri;
 import android.os.Bundle;
 import android.support.annotation.NonNull;
 import android.support.annotation.Nullable;
 
     public static JitsiMeetView findViewByExternalAPIScope(
             String externalAPIScope) {
-        for (JitsiMeetView view : views) {
-            if (view.externalAPIScope.equals(externalAPIScope)) {
-                return view;
+        synchronized (views) {
+            for (JitsiMeetView view : views) {
+                if (view.externalAPIScope.equals(externalAPIScope)) {
+                    return view;
+                }
             }
         }
 
                 .build();
     }
 
+    /**
+     * Loads a specific URL {@code String} in all existing
+     * {@code JitsiMeetView}s.
+     *
+     * @param urlString - The URL {@code String} to load in all existing
+     * {@code JitsiMeetView}s.
+     * @return If the specified {@code urlString} was submitted for loading in
+     * at least one {@code JitsiMeetView}, then {@code true}; otherwise,
+     * {@code false}.
+     */
+    private static boolean loadURLStringInViews(String urlString) {
+        synchronized (views) {
+            if (!views.isEmpty()) {
+                for (JitsiMeetView view : views) {
+                    view.loadURLString(urlString);
+                }
+
+                return true;
+            }
+        }
+
+        return false;
+    }
+
     /**
      * Activity lifecycle method which should be called from
      * <tt>Activity.onBackPressed</tt> so we can do the required internal
      * @param intent - <tt>Intent</tt> instance which was received.
      */
     public static void onNewIntent(Intent intent) {
+        // XXX At least twice we received bug reports about malfunctioning
+        // loadURL in the Jitsi Meet SDK while the Jitsi Meet app seemed to
+        // functioning as expected in our testing. But that was to be expected
+        // because the app does not exercise loadURL. In order to increase the
+        // test coverage of loadURL, channel deep linking through loadURL.
+        Uri uri;
+
+        if (Intent.ACTION_VIEW.equals(intent.getAction())
+                && (uri = intent.getData()) != null
+                && loadURLStringInViews(uri.toString())) {
+            return;
+        }
+
         if (reactInstanceManager != null) {
             reactInstanceManager.onNewIntent(intent);
         }
 
         // Hook this JitsiMeetView into ExternalAPI.
         externalAPIScope = UUID.randomUUID().toString();
-        views.add(this);
+        synchronized (views) {
+            views.add(this);
+        }
     }
 
     /**

ios/sdk/src/JitsiMeetView.m

 
 #pragma mark Private methods
 
+/**
+ * Loads a specific {@link NSURL} in all existing {@code JitsiMeetView}s.
+ *
+ * @param url - The {@code NSURL} to load in all existing
+ * {@code JitsiMeetView}s.
+ * @return {@code YES} if the specified {@code url} was submitted for loading
+ * in at least one {@code JitsiMeetView}; otherwise, {@code NO}.
+ */
 + (BOOL)loadURLInViews:(NSURL *)url {
     BOOL handled = NO;