{"action":"created","issue":{"url":"https://api.github.com/repos/flutter/flutter/issues/3421","repository_url":"https://api.github.com/repos/flutter/flutter","labels_url":"https://api.github.com/repos/flutter/flutter/issues/3421/labels{/name}","comments_url":"https://api.github.com/repos/flutter/flutter/issues/3421/comments","events_url":"https://api.github.com/repos/flutter/flutter/issues/3421/events","html_url":"https://github.com/flutter/flutter/issues/3421","id":149603695,"number":3421,"title":"Demo app crashes on iPod w/ 9.2.1 iOS, runs on 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2.0\".","creator":{"login":"FlutterIssues","id":15744020,"avatar_url":"https://avatars.githubusercontent.com/u/15744020?v=3","gravatar_id":"","url":"https://api.github.com/users/FlutterIssues","html_url":"https://github.com/FlutterIssues","followers_url":"https://api.github.com/users/FlutterIssues/followers","following_url":"https://api.github.com/users/FlutterIssues/following{/other_user}","gists_url":"https://api.github.com/users/FlutterIssues/gists{/gist_id}","starred_url":"https://api.github.com/users/FlutterIssues/starred{/owner}{/repo}","subscriptions_url":"https://api.github.com/users/FlutterIssues/subscriptions","organizations_url":"https://api.github.com/users/FlutterIssues/orgs","repos_url":"https://api.github.com/users/FlutterIssues/repos","events_url":"https://api.github.com/users/FlutterIssues/events{/privacy}","received_events_url":"https://api.github.com/users/FlutterIssues/received_events","type":"User","site_admin":false},"open_issues":809,"closed_issues":520,"state":"open","created_at":"2015-11-09T20:19:58Z","updated_at":"2016-05-24T00:14:12Z","due_on":"2031-01-01T08:00:00Z","closed_at":null},"comments":6,"created_at":"2016-04-19T22:40:46Z","updated_at":"2016-05-24T00:17:32Z","closed_at":null,"body":"Code is here: https://drive.google.com/open?id=0B-w2rH1ryIJdekEzZjREdVpTakE\r\n\r\nThis app runs on Android, but crashes on my iPod running 9.2.1 iOS when I tap the floating action button.\r\n\r\nOutput of `flutter log`:\r\n\r\n```\r\nUnable to connect to the Observatory at port 16193.\r\nShowing iPod touch logs:\r\nApr 19 15:25:20 iPod-touch Runner[1056] <Notice>: [INFO:FlutterDynamicServiceLoader.mm(106)] 0 custom service definitions registered\r\nApr 19 15:25:20 iPod-touch Runner[1056] <Alert>: Observatory listening on http://127.0.0.1:50713\r\nApr 19 15:25:20 iPod-touch Runner[1056] <Error>: CGAffineTransformInvert: singular matrix.\r\nApr 19 15:25:20 iPod-touch Runner[1056] <Notice>: Apr 19 15:25:20  Runner[1056] <Error>: CGAffineTransformInvert: singular matrix.\r\nApr 19 15:26:25 iPod-touch installd[47] <Notice>: 0x16e087000 -[MIClientConnection installPath:withOptions:completion:]: Install of \"/var/mobile/Media/PublicStaging/Runner.app\" type Developer (LSInstallType = (null)) requested by mobile_installation_proxy (pid 394)\r\nApr 19 15:26:47 iPod-touch Runner[1058] <Notice>: [INFO:FlutterDynamicServiceLoader.mm(106)] 0 custom service definitions registered\r\nApr 19 15:26:47 iPod-touch Runner[1058] <Alert>: Observatory listening on http://127.0.0.1:50794\r\nApr 19 15:26:47 iPod-touch Runner[1058] <Error>: CGAffineTransformInvert: singular matrix.\r\nApr 19 15:26:47 iPod-touch Runner[1058] <Notice>: Apr 19 15:26:47  Runner[1058] <Error>: CGAffineTransformInvert: singular matrix.\r\nApr 19 15:27:38 iPod-touch installd[47] <Notice>: 0x16e087000 -[MIClientConnection installPath:withOptions:completion:]: Install of \"/var/mobile/Media/PublicStaging/Runner.app\" type Developer (LSInstallType = (null)) requested by mobile_installation_proxy (pid 394)\r\nApr 19 15:27:42 iPod-touch Runner[1061] <Notice>: [INFO:FlutterDynamicServiceLoader.mm(106)] 0 custom service definitions registered\r\nApr 19 15:27:42 iPod-touch Runner[1061] <Alert>: Observatory listening on http://127.0.0.1:50858\r\nApr 19 15:27:43 iPod-touch Runner[1061] <Error>: CGAffineTransformInvert: singular matrix.\r\nApr 19 15:27:43 iPod-touch Runner[1061] <Notice>: Apr 19 15:27:43  Runner[1061] <Error>: CGAffineTransformInvert: singular matrix.\r\nApr 19 15:27:44 iPod-touch ReportCrash[1062] <Notice>: Formulating report for corpse[1061] Runner\r\nApr 19 15:27:44 iPod-touch ReportCrash[1062] <Warning>: saved type '109_Runner' report (5 of max 25) as /var/mobile/Library/Logs/CrashReporter/Runner_2016-04-19-152744_iPod-touch.ips\r\nApr 19 15:35:47 iPod-touch installd[47] <Notice>: 0x16e1bb000 -[MIClientConnection installPath:withOptions:completion:]: Install of \"/var/mobile/Media/PublicStaging/Runner.app\" type Developer (LSInstallType = (null)) requested by mobile_installation_proxy (pid 394)\r\nApr 19 15:38:58 iPod-touch installd[47] <Notice>: 0x16e087000 -[MIClientConnection installPath:withOptions:completion:]: Install of \"/var/mobile/Media/PublicStaging/Runner.app\" type Developer (LSInstallType = (null)) requested by mobile_installation_proxy (pid 394)\r\nApr 19 15:40:10 iPod-touch Runner[1067] <Notice>: [INFO:FlutterDynamicServiceLoader.mm(106)] 0 custom service definitions registered\r\nApr 19 15:40:10 iPod-touch Runner[1067] <Alert>: Observatory listening on http://127.0.0.1:51316\r\nApr 19 15:40:10 iPod-touch Runner[1067] <Error>: CGAffineTransformInvert: singular matrix.\r\nApr 19 15:40:10 iPod-touch Runner[1067] <Notice>: Apr 19 15:40:10  Runner[1067] <Error>: CGAffineTransformInvert: singular matrix.\r\nApr 19 15:40:15 iPod-touch ReportCrash[1068] <Notice>: Formulating report for corpse[1067] Runner\r\nApr 19 15:40:15 iPod-touch ReportCrash[1068] <Warning>: saved type '109_Runner' report (6 of max 25) as /var/mobile/Library/Logs/CrashReporter/Runner_2016-04-19-154015_iPod-touch.ips\r\n```"},"comment":{"url":"https://api.github.com/repos/flutter/flutter/issues/comments/221133063","html_url":"https://github.com/flutter/flutter/issues/3421#issuecomment-221133063","issue_url":"https://api.github.com/repos/flutter/flutter/issues/3421","id":221133063,"user":{"login":"chinmaygarde","id":44085,"avatar_url":"https://avatars.githubusercontent.com/u/44085?v=3","gravatar_id":"","url":"https://api.github.com/users/chinmaygarde","html_url":"https://github.com/chinmaygarde","followers_url":"https://api.github.com/users/chinmaygarde/followers","following_url":"https://api.github.com/users/chinmaygarde/following{/other_user}","gists_url":"https://api.github.com/users/chinmaygarde/gists{/gist_id}","starred_url":"https://api.github.com/users/chinmaygarde/starred{/owner}{/repo}","subscriptions_url":"https://api.github.com/users/chinmaygarde/subscriptions","organizations_url":"https://api.github.com/users/chinmaygarde/orgs","repos_url":"https://api.github.com/users/chinmaygarde/repos","events_url":"https://api.github.com/users/chinmaygarde/events{/privacy}","received_events_url":"https://api.github.com/users/chinmaygarde/received_events","type":"User","site_admin":false},"created_at":"2016-05-24T00:17:32Z","updated_at":"2016-05-24T00:17:32Z","body":"Symbolicated backtrace and register dumps filed as a bug at https://github.com/dart-lang/sdk/issues/26516"}}
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