🔧 fixed bug when set state was called after widget was unmounted

topcatse · Oct 18, 2018 · 8a94d88 · 8a94d88
1 parent 50225e4
commit 8a94d88
Showing 1 changed file with 19 additions and 13 deletions.
diff --git a/lib/src/widgets/query.dart b/lib/src/widgets/query.dart
@@ -80,11 +80,13 @@ class QueryState extends State<Query> {
         variables: widget.variables,
       );
 
-      setState(() {
-        data = result;
-        error = null;
-        loading = false;
-      });
+      if (this.mounted) {
+        setState(() {
+          data = result;
+          error = null;
+          loading = false;
+        });
+      }
     } catch (e) {
       // Ignore, right?
     }
@@ -95,18 +97,22 @@ class QueryState extends State<Query> {
         variables: widget.variables,
       );
 
-      setState(() {
-        data = result;
-        error = null;
-        loading = false;
-      });
-    } catch (e) {
-      if (data == {}) {
+      if (this.mounted) {
         setState(() {
-          error = e;
+          data = result;
+          error = null;
           loading = false;
         });
       }
+    } catch (e) {
+      if (data == {}) {
+        if (this.mounted) {
+          setState(() {
+            error = e;
+            loading = false;
+          });
+        }
+      }
     }
 
     if (pollInterval is Duration && !(pollTimer is Timer)) {