Sources/VLCMovieViewController.m

@@ -1955,7 +1955,8 @@ currentMediaHasTrackToChooseFrom:(BOOL)currentMediaHasTrackToChooseFrom
 
     UIView *displayView = _playingExternalView.displayView;
 
-    if (displayExternally && _movieView.superview == displayView) {
+    if (displayExternally && displayView
+        && _movieView.superview == displayView) {
         // Adjust constraints for external display
         [NSLayoutConstraint activateConstraints:@[
             [_movieView.leadingAnchor constraintEqualToAnchor:displayView.leadingAnchor],

Sources/VLCOpenInActivity.m

@@ -169,6 +169,9 @@
                                                          handler:^(UIAlertAction * _Nonnull action) {
                                                              [self activityDidFinish:NO];
                                                          }];
+
+    actionController.popoverPresentationController.sourceView = self.presentingViewController.view;
+
     [actionController addAction:cancelAction];
     [self.presentingViewController presentViewController:actionController animated:YES completion:nil];
 }