fix check null constraints in container

dengyin2000 · Nov 19, 2020 · 6bbc1b9 · 6bbc1b9
1 parent 6702081
commit 6bbc1b9
Showing 1 changed file with 8 additions and 6 deletions.
diff --git a/lib/dynamic_widget/basic/container_widget_parser.dart b/lib/dynamic_widget/basic/container_widget_parser.dart
@@ -66,12 +66,14 @@ class ContainerWidgetParser extends WidgetParser {
       "margin": margin != null
           ? "${margin.left},${margin.top},${margin.right},${margin.bottom}"
           : null,
-      "width": constraints.minWidth == constraints.maxWidth
-          ? constraints.minWidth
-          : null,
-      "height": constraints.minHeight == constraints.maxHeight
-          ? constraints.minHeight
-          : null,
+      "width":
+          constraints != null && constraints.minWidth == constraints.maxWidth
+              ? constraints.minWidth
+              : null,
+      "height":
+          constraints != null && constraints.minHeight == constraints.maxHeight
+              ? constraints.minHeight
+              : null,
       "child": DynamicWidgetBuilder.export(realWidget.child, buildContext)
     };
   }