{"action":"created","issue":{"url":"https://api.github.com/repos/flutter/flutter/issues/25962","repository_url":"https://api.github.com/repos/flutter/flutter","labels_url":"https://api.github.com/repos/flutter/flutter/issues/25962/labels{/name}","comments_url":"https://api.github.com/repos/flutter/flutter/issues/25962/comments","events_url":"https://api.github.com/repos/flutter/flutter/issues/25962/events","html_url":"https://github.com/flutter/flutter/issues/25962","id":395171821,"node_id":"MDU6SXNzdWUzOTUxNzE4MjE=","number":25962,"title":"UIKitView Scroll error","user":{"login":"larrymryan","id":26480232,"node_id":"MDQ6VXNlcjI2NDgwMjMy","avatar_url":"https://avatars1.githubusercontent.com/u/26480232?v=4","gravatar_id":"","url":"https://api.github.com/users/larrymryan","html_url":"https://github.com/larrymryan","followers_url":"https://api.github.com/users/larrymryan/followers","following_url":"https://api.github.com/users/larrymryan/following{/other_user}","gists_url":"https://api.github.com/users/larrymryan/gists{/gist_id}","starred_url":"https://api.github.com/users/larrymryan/starred{/owner}{/repo}","subscriptions_url":"https://api.github.com/users/larrymryan/subscriptions","organizations_url":"https://api.github.com/users/larrymryan/orgs","repos_url":"https://api.github.com/users/larrymryan/repos","events_url":"https://api.github.com/users/larrymryan/events{/privacy}","received_events_url":"https://api.github.com/users/larrymryan/received_events","type":"User","site_admin":false},"labels":[{"id":999976120,"node_id":"MDU6TGFiZWw5OTk5NzYxMjA=","url":"https://api.github.com/repos/flutter/flutter/labels/a:%20platform-views","name":"a: platform-views","color":"38d8c8","default":false},{"id":284437560,"node_id":"MDU6TGFiZWwyODQ0Mzc1NjA=","url":"https://api.github.com/repos/flutter/flutter/labels/framework","name":"framework","color":"207de5","default":false},{"id":283479343,"node_id":"MDU6TGFiZWwyODM0NzkzNDM=","url":"https://api.github.com/repos/flutter/flutter/labels/severe:%20crash","name":"severe: crash","color":"900000","default":false},{"id":283479936,"node_id":"MDU6TGFiZWwyODM0Nzk5MzY=","url":"https://api.github.com/repos/flutter/flutter/labels/%E2%8C%BA%E2%80%AC%20platform-ios","name":"⌺‬ platform-ios","color":"003570","default":false}],"state":"open","locked":false,"assignee":null,"assignees":[],"milestone":{"url":"https://api.github.com/repos/flutter/flutter/milestones/22","html_url":"https://github.com/flutter/flutter/milestone/22","labels_url":"https://api.github.com/repos/flutter/flutter/milestones/22/labels","id":2270094,"node_id":"MDk6TWlsZXN0b25lMjI3MDA5NA==","number":22,"title":"Goals","description":"P2: These are tasks we think are worth fixing in the coming years. It includes issues we've identified that might block fully shipping broad consumer-facing apps, correctness issues, and bugs relating to polish and quality.\r\n\r\nThe date on this milestone is utterly arbitrary and just intended to sort the milestone appropriately.","creator":{"login":"Hixie","id":551196,"node_id":"MDQ6VXNlcjU1MTE5Ng==","avatar_url":"https://avatars2.githubusercontent.com/u/551196?v=4","gravatar_id":"","url":"https://api.github.com/users/Hixie","html_url":"https://github.com/Hixie","followers_url":"https://api.github.com/users/Hixie/followers","following_url":"https://api.github.com/users/Hixie/following{/other_user}","gists_url":"https://api.github.com/users/Hixie/gists{/gist_id}","starred_url":"https://api.github.com/users/Hixie/starred{/owner}{/repo}","subscriptions_url":"https://api.github.com/users/Hixie/subscriptions","organizations_url":"https://api.github.com/users/Hixie/orgs","repos_url":"https://api.github.com/users/Hixie/repos","events_url":"https://api.github.com/users/Hixie/events{/privacy}","received_events_url":"https://api.github.com/users/Hixie/received_events","type":"User","site_admin":false},"open_issues":2051,"closed_issues":1016,"state":"open","created_at":"2017-01-23T00:27:59Z","updated_at":"2019-01-02T08:03:56Z","due_on":"2031-01-01T08:00:00Z","closed_at":null},"comments":1,"created_at":"2019-01-02T07:56:41Z","updated_at":"2019-01-02T08:06:38Z","closed_at":null,"author_association":"NONE","body":"The error happens When I put any UIKitView in ListView or PageView and Scroll \r\n\r\nEverything is fine when using AndroidView on android.\r\n\r\n\r\n```\r\n[VERBOSE-2:shell.cc(186)] Dart Error: Unhandled exception:\r\n'package:flutter/src/gestures/converter.dart': Failed assertion: line 143 pos 18: '!state.down': is not true.\r\n#0      _AssertionError._doThrowNew (dart:core/runtime/liberrors_patch.dart:40:39)\r\n#1      _AssertionError._throwNew (dart:core/runtime/liberrors_patch.dart:36:5)\r\n#2      PointerEventConverter.expand (package:flutter/src/gestures/converter.dart:143:18)\r\n#3      _SyncIterator.moveNext (dart:core/runtime/libcore_patch.dart:151:12)\r\n#4      ListQueue.addAll (dart:collection/queue.dart:715:25)\r\n#5      _WidgetsFlutterBinding&BindingBase&GestureBinding._handlePointerDataPacket (package:flutter/src/gestures/binding.dart:83:27)\r\n#6      _invoke1 (dart:ui/hooks.dart:173:13)\r\n#7      _dispatchPointerDataPacket (dart:ui/hooks.dart:127:5)\r\n```\r\n```\r\nDoctor summary (to see all details, run flutter doctor -v):\r\n[✓] Flutter (Channel master, v1.1.5-pre.38, on Mac OS X 10.14.2 18C54, locale zh-Hans-CN)\r\n[✓] Android toolchain - develop for Android devices (Android SDK version 28.0.3)\r\n[✓] iOS toolchain - develop for iOS devices (Xcode 10.1)\r\n[✓] Android Studio (version 3.2)\r\n[!] IntelliJ IDEA Ultimate Edition (version 2018.1.5)\r\n    ✗ Flutter plugin not installed; this adds Flutter specific functionality.\r\n    ✗ Dart plugin not installed; this adds Dart specific functionality.\r\n[✓] Connected device (2 available)\r\n```"},"comment":{"url":"https://api.github.com/repos/flutter/flutter/issues/comments/450804844","html_url":"https://github.com/flutter/flutter/issues/25962#issuecomment-450804844","issue_url":"https://api.github.com/repos/flutter/flutter/issues/25962","id":450804844,"node_id":"MDEyOklzc3VlQ29tbWVudDQ1MDgwNDg0NA==","user":{"login":"zoechi","id":405837,"node_id":"MDQ6VXNlcjQwNTgzNw==","avatar_url":"https://avatars0.githubusercontent.com/u/405837?v=4","gravatar_id":"","url":"https://api.github.com/users/zoechi","html_url":"https://github.com/zoechi","followers_url":"https://api.github.com/users/zoechi/followers","following_url":"https://api.github.com/users/zoechi/following{/other_user}","gists_url":"https://api.github.com/users/zoechi/gists{/gist_id}","starred_url":"https://api.github.com/users/zoechi/starred{/owner}{/repo}","subscriptions_url":"https://api.github.com/users/zoechi/subscriptions","organizations_url":"https://api.github.com/users/zoechi/orgs","repos_url":"https://api.github.com/users/zoechi/repos","events_url":"https://api.github.com/users/zoechi/events{/privacy}","received_events_url":"https://api.github.com/users/zoechi/received_events","type":"User","site_admin":false},"created_at":"2019-01-02T08:06:38Z","updated_at":"2019-01-02T08:06:38Z","author_association":"CONTRIBUTOR","body":"Might be related to #24207"}}
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