{"action":"created","issue":{"url":"https://api.github.com/repos/Microsoft/reactxp/issues/727","repository_url":"https://api.github.com/repos/Microsoft/reactxp","labels_url":"https://api.github.com/repos/Microsoft/reactxp/issues/727/labels{/name}","comments_url":"https://api.github.com/repos/Microsoft/reactxp/issues/727/comments","events_url":"https://api.github.com/repos/Microsoft/reactxp/issues/727/events","html_url":"https://github.com/Microsoft/reactxp/issues/727","id":336288773,"node_id":"MDU6SXNzdWUzMzYyODg3NzM=","number":727,"title":"[FeatureRequest] Add callback to VirtualListView for visible item changes","user":{"login":"Fitzpasd","id":1279954,"node_id":"MDQ6VXNlcjEyNzk5NTQ=","avatar_url":"https://avatars0.githubusercontent.com/u/1279954?v=4","gravatar_id":"","url":"https://api.github.com/users/Fitzpasd","html_url":"https://github.com/Fitzpasd","followers_url":"https://api.github.com/users/Fitzpasd/followers","following_url":"https://api.github.com/users/Fitzpasd/following{/other_user}","gists_url":"https://api.github.com/users/Fitzpasd/gists{/gist_id}","starred_url":"https://api.github.com/users/Fitzpasd/starred{/owner}{/repo}","subscriptions_url":"https://api.github.com/users/Fitzpasd/subscriptions","organizations_url":"https://api.github.com/users/Fitzpasd/orgs","repos_url":"https://api.github.com/users/Fitzpasd/repos","events_url":"https://api.github.com/users/Fitzpasd/events{/privacy}","received_events_url":"https://api.github.com/users/Fitzpasd/received_events","type":"User","site_admin":false},"labels":[{"id":579521963,"node_id":"MDU6TGFiZWw1Nzk1MjE5NjM=","url":"https://api.github.com/repos/Microsoft/reactxp/labels/feature%20request","name":"feature request","color":"d4c5f9","default":false}],"state":"open","locked":false,"assignee":null,"assignees":[],"milestone":null,"comments":7,"created_at":"2018-06-27T15:52:46Z","updated_at":"2018-11-01T20:37:44Z","closed_at":null,"author_association":"MEMBER","body":"It's very difficult for users of the VLV to know when their components are actually on screen since the virtualization is handled internally and the regular component lifecycle methods aren't invoked.\r\n\r\nThis feature request is to add a callback prop to VLV that gets invoked when the on-screen contents have changed.  A similar API exists on react-natives [VirtualListView](https://facebook.github.io/react-native/docs/virtualizedlist#onviewableitemschanged)"},"comment":{"url":"https://api.github.com/repos/Microsoft/reactxp/issues/comments/435178680","html_url":"https://github.com/Microsoft/reactxp/issues/727#issuecomment-435178680","issue_url":"https://api.github.com/repos/Microsoft/reactxp/issues/727","id":435178680,"node_id":"MDEyOklzc3VlQ29tbWVudDQzNTE3ODY4MA==","user":{"login":"erictraut","id":7040122,"node_id":"MDQ6VXNlcjcwNDAxMjI=","avatar_url":"https://avatars3.githubusercontent.com/u/7040122?v=4","gravatar_id":"","url":"https://api.github.com/users/erictraut","html_url":"https://github.com/erictraut","followers_url":"https://api.github.com/users/erictraut/followers","following_url":"https://api.github.com/users/erictraut/following{/other_user}","gists_url":"https://api.github.com/users/erictraut/gists{/gist_id}","starred_url":"https://api.github.com/users/erictraut/starred{/owner}{/repo}","subscriptions_url":"https://api.github.com/users/erictraut/subscriptions","organizations_url":"https://api.github.com/users/erictraut/orgs","repos_url":"https://api.github.com/users/erictraut/repos","events_url":"https://api.github.com/users/erictraut/events{/privacy}","received_events_url":"https://api.github.com/users/erictraut/received_events","type":"User","site_admin":false},"created_at":"2018-11-01T20:37:44Z","updated_at":"2018-11-01T20:37:44Z","author_association":"MEMBER","body":"Yep, that would do it. :)"}}
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