flutter: FormatException: Invalid number (at character 1)
^
flutter: #0 _PullToRefreshListState.loadData (package:fyx/components/PullToRefreshList.dart:149:24)
<asynchronous suspension>
#1 _PullToRefreshListState.initState (package:fyx/components/PullToRefreshList.dart:71:10)
#2 StatefulElement._firstBuild (package:flutter/src/widgets/framework.dart:4355:58)
#3 ComponentElement.mount (package:flutter/src/widgets/framework.dart:4201:5)
#4 Element.inflateWidget (package:flutter/src/widgets/framework.dart:3194:14)
#5 MultiChildRenderObjectElement.mount (package:flutter/src/widgets/framework.dart:5551:32)
#6 Element.inflateWidget (package:flutter/src/widgets/framework.dart:3194:14)
#7 Element.updateChild (package:flutter/src/widgets/framework.dart:2988:12)
#8 SingleChildRenderObjectElement.mount (package:flutter/src/widgets/framework.dart:5445:14)
#9 Element.inflateWidget (package:flutter/src/widgets/framework.dart:3194:14)
#10 Element.updateChild (package:flutter/src/widgets/framework.dart:2988:12)
#11 <…>