{"action":"created","issue":{"url":"https://api.github.com/repos/flutter/flutter/issues/1925","repository_url":"https://api.github.com/repos/flutter/flutter","labels_url":"https://api.github.com/repos/flutter/flutter/issues/1925/labels{/name}","comments_url":"https://api.github.com/repos/flutter/flutter/issues/1925/comments","events_url":"https://api.github.com/repos/flutter/flutter/issues/1925/events","html_url":"https://github.com/flutter/flutter/issues/1925","id":134099057,"number":1925,"title":"Assert when calling setState - unclear what the issue is","user":{"login":"apwilson","id":142874,"avatar_url":"https://avatars.githubusercontent.com/u/142874?v=3","gravatar_id":"","url":"https://api.github.com/users/apwilson","html_url":"https://github.com/apwilson","followers_url":"https://api.github.com/users/apwilson/followers","following_url":"https://api.github.com/users/apwilson/following{/other_user}","gists_url":"https://api.github.com/users/apwilson/gists{/gist_id}","starred_url":"https://api.github.com/users/apwilson/starred{/owner}{/repo}","subscriptions_url":"https://api.github.com/users/apwilson/subscriptions","organizations_url":"https://api.github.com/users/apwilson/orgs","repos_url":"https://api.github.com/users/apwilson/repos","events_url":"https://api.github.com/users/apwilson/events{/privacy}","received_events_url":"https://api.github.com/users/apwilson/received_events","type":"User","site_admin":false},"labels":[],"state":"open","locked":false,"assignee":null,"milestone":null,"comments":2,"created_at":"2016-02-16T21:17:08Z","updated_at":"2016-02-17T00:47:11Z","closed_at":null,"body":"```dart\r\nandroid: --------- beginning of main\r\nandroid: --------- beginning of system\r\nandroid: I/flutter : -- EXCEPTION CAUGHT BY WIDGETS LIBRARY ---------------------------------\r\nandroid: I/flutter : Exception caught while building LayoutId-<info about widget and id>\r\nandroid: I/flutter : 'packages/flutter/src/widgets/framework.dart': Failed assertion: line 1097: '() {\r\nandroid: I/flutter :           if (_debugBuilding) {\r\nandroid: I/flutter :             bool foundTarget = false;\r\nandroid: I/flutter :             visitAncestorElements((Element element) {\r\nandroid: I/flutter :                   if (element == _debugCurrentBuildTarget) {\r\nandroid: I/flutter :                     foundTarget = true;\r\nandroid: I/flutter :                     return false;\r\nandroid: I/flutter :                   }\r\nandroid: I/flutter :                   return true;\r\nandroid: I/flutter :                 });\r\nandroid: I/flutter :             if (foundTarget)\r\nandroid: I/flutter :             return true;\r\nandroid: I/flutter :           }\r\nandroid: I/flutter :           return !_debugStateLocked || (_debugAllowIgnoredCallsToMarkNeedsBuild && dirty);\r\nandroid: I/flutter :         }' is not true.\r\nandroid: I/flutter : Stack trace:\r\nandroid: I/flutter : #0      _AssertionError._throwNew (dart:core-patch/errors_patch.dart:27)\r\nandroid: I/flutter : #1      BuildableElement.markNeedsBuild (packages/flutter/src/widgets/framework.dart:1097)\r\nandroid: I/flutter : #2      State.setState (packages/flutter/src/widgets/framework.dart:353)\r\n\r\n```"},"comment":{"url":"https://api.github.com/repos/flutter/flutter/issues/comments/184944773","html_url":"https://github.com/flutter/flutter/issues/1925#issuecomment-184944773","issue_url":"https://api.github.com/repos/flutter/flutter/issues/1925","id":184944773,"user":{"login":"abarth","id":112007,"avatar_url":"https://avatars.githubusercontent.com/u/112007?v=3","gravatar_id":"","url":"https://api.github.com/users/abarth","html_url":"https://github.com/abarth","followers_url":"https://api.github.com/users/abarth/followers","following_url":"https://api.github.com/users/abarth/following{/other_user}","gists_url":"https://api.github.com/users/abarth/gists{/gist_id}","starred_url":"https://api.github.com/users/abarth/starred{/owner}{/repo}","subscriptions_url":"https://api.github.com/users/abarth/subscriptions","organizations_url":"https://api.github.com/users/abarth/orgs","repos_url":"https://api.github.com/users/abarth/repos","events_url":"https://api.github.com/users/abarth/events{/privacy}","received_events_url":"https://api.github.com/users/abarth/received_events","type":"User","site_admin":false},"created_at":"2016-02-17T00:47:11Z","updated_at":"2016-02-17T00:47:11Z","body":"Do you have a test case that triggers this assert?"}}