Merge pull request #3049 from songgnqing/master

fix: PopScope swipe back

@@ -780,6 +780,8 @@ Cannot read the previousTitle for a route that has not yet been installed''',
     // If attempts to dismiss this route might be vetoed such as in a page
     // with forms, then do not allow the user to dismiss the route with a swipe.
     if (route.hasScopedWillPopCallback) return false;
+    // support [PopScope]
+    if (route.popDisposition == RoutePopDisposition.doNotPop) return false;
     // Fullscreen dialogs aren't dismissible by back swipe.
     if (route.fullscreenDialog) return false;
     // If we're in an animation already, we cannot be manually swiped.