{"action":"created","issue":{"url":"https://api.github.com/repos/flutter/flutter/issues/6591","repository_url":"https://api.github.com/repos/flutter/flutter","labels_url":"https://api.github.com/repos/flutter/flutter/issues/6591/labels{/name}","comments_url":"https://api.github.com/repos/flutter/flutter/issues/6591/comments","events_url":"https://api.github.com/repos/flutter/flutter/issues/6591/events","html_url":"https://github.com/flutter/flutter/issues/6591","id":186169893,"number":6591,"title":"ScrollableGrid: Omitting optional 'children' parameter returns broken widget","user":{"login":"pedrovhb","id":3419601,"avatar_url":"https://avatars.githubusercontent.com/u/3419601?v=3","gravatar_id":"","url":"https://api.github.com/users/pedrovhb","html_url":"https://github.com/pedrovhb","followers_url":"https://api.github.com/users/pedrovhb/followers","following_url":"https://api.github.com/users/pedrovhb/following{/other_user}","gists_url":"https://api.github.com/users/pedrovhb/gists{/gist_id}","starred_url":"https://api.github.com/users/pedrovhb/starred{/owner}{/repo}","subscriptions_url":"https://api.github.com/users/pedrovhb/subscriptions","organizations_url":"https://api.github.com/users/pedrovhb/orgs","repos_url":"https://api.github.com/users/pedrovhb/repos","events_url":"https://api.github.com/users/pedrovhb/events{/privacy}","received_events_url":"https://api.github.com/users/pedrovhb/received_events","type":"User","site_admin":false},"labels":[],"state":"closed","locked":false,"assignee":{"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},"assignees":[{"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}],"milestone":null,"comments":5,"created_at":"2016-10-30T22:35:55Z","updated_at":"2016-10-31T03:10:53Z","closed_at":"2016-10-31T03:10:34Z","body":"When creating a ScrollableGrid widget, not setting the 'children' parameter gives you the red error widget with the text `NoSuchMethodError: The getter 'length' was called on null. Tried calling: length`\n\nPassing `[]` to this parameter gives you an error-free empty ScrollableGrid widget as expected.\n\nPretty minor but I'd expect either the children parameter to be required or to be assigned the empty list by default.\n"},"comment":{"url":"https://api.github.com/repos/flutter/flutter/issues/comments/257205487","html_url":"https://github.com/flutter/flutter/issues/6591#issuecomment-257205487","issue_url":"https://api.github.com/repos/flutter/flutter/issues/6591","id":257205487,"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":"2016-10-31T03:10:53Z","updated_at":"2016-10-31T03:10:53Z","body":"landed now.  :)"}}
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