Restarted application in 4,111ms.
I/flutter (25140): app loaded with init link null
I/flutter (25140): ══╡ EXCEPTION CAUGHT BY WIDGETS LIBRARY ╞═══════════════════════════════════════════════════════════
I/flutter (25140): The following assertion was thrown building Builder(dirty):
I/flutter (25140): type 'Future' is not a subtype of type 'Widget'
I/flutter (25140): Either the assertion indicates an error in the framework itself, or we should provide substantially
I/flutter (25140): more information in this error message to help you determine and fix the underlying cause.
I/flutter (25140): In either case, please report this assertion by filing a bug on GitHub:
I/flutter (25140): https://github.com/flutter/flutter/issues/new?template=BUG.md
I/flutter (25140): When the exception was thrown, this was the stack:
I/flutter (25140): #0 MyApplication.build. (package:biz_card_scanner/app.dart:60:29)
I/flutter (25140): #1 MaterialPageRoute.buildPage (package:flutter/src/material/page.dart:84:27)
I/flutter (25140): #2 _ModalScopeState.build. (package:flutter/src/widgets/routes.dart:655:43)
I/flutter (25140): #3 Builder.build (package:flutter/src/widgets/basic.dart:6035:41)
I/flutter (25140): #4 StatelessElement.build (package:flutter/src/widgets/framework.dart:3789:28)
I/flutter (25140): #5 ComponentElement.performRebuild (package:flutter/src/widgets/framework.dart:3736:15)
I/flutter (25140): #6 Element.rebuild (package:flutter/src/widgets/framework.dart:3559:5)
I/flutter (25140): #7 ComponentElement._firstBuild (package:flutter/src/widgets/framework.dart:3716:5)
I/flutter (25140): #8 ComponentElement.mount (package:flutter/src/widgets/framework.dart:3711:5)
I/flutter (25140): #9 Element.inflateWidget (package:flutter/src/widgets/framework.dart:2956:14)
I/flutter (25140): #10 Element.updateChild (package:flutter/src/widgets/framework.dart:2759:12)
I/flutter (25140): #11 SingleChildRenderObjectElement.mount (package:flutter/src/widgets/framework.dart:4876:14)
I/flutter (25140): #12 Element.inflateWidget (package:flutter/src/widgets/framework.dart:2956:14)
I/flutter (25140): #13 Element.updateChild (package:flutter/src/widgets/framework.dart:2759:12)
I/flutter (25140): #14 SingleChildRenderObjectElement.mount (package:flutter/src/widgets/framework.dart:4876:14)
I/flutter (25140): #15 Element.inflateWidget (package:flutter/src/widgets/framework.dart:2956:14)
I/flutter (25140): #16 Element.updateChild (package:flutter/src/widgets/framework.dart:2759:12)
I/flutter (25140): #17 SingleChildRenderObjectElement.mount (package:flutter/src/widgets/framework.dart:4876:14)
I/flutter (25140): #18 Element.inflateWidget (package:flutter/src/widgets/framework.dart:2956:14)
I/flutter (25140): #19 Element.updateChild (package:flutter/src/widgets/framework.dart:2759:12)
I/flutter (25140): #20 SingleChildRenderObjectElement.mount (package:flutter/src/widgets/framework.dart:4876:14)
I/flutter (25140): #21 Element.inflateWidget (package:flutter/src/widgets/framework.dart:2956:14)
I/flutter (25140): #22 Element.updateChild (package:flutter/src/widgets/framework.dart:2759:12)
I/flutter (25140): #23 ComponentElement.performRebuild (package:flutter/src/widgets/framework.dart:3747:16)
I/flutter (25140): #24 Element.rebuild (package:flutter/src/widgets/framework.dart:3559:5)
I/flutter (25140): #25 ComponentElement._firstBuild (package:flutter/src/widgets/framework.dart:3716:5)
I/flutter (25140): #26 StatefulElement._firstBuild (package:flutter/src/widgets/framework.dart:3864:11)
I/flutter (25140): #27 ComponentElement.mount (package:flutter/src/widgets/framework.dart:3711:5)
I/flutter (25140): #28 Element.inflateWidget (package:flutter/src/widgets/framework.dart:2956:14)
I/flutter (25140): #29 Element.updateChild (package:flutter/src/widgets/framework.dart:2759:12)
I/flutter (25140): #30 ComponentElement.performRebuild (package:flutter/src/widgets/framework.dart:3747:16)
I/flutter (25140): #31 Element.rebuild (package:flutter/src/widgets/framework.dart:3559:5)
I/flutter (25140): #32 ComponentElement._firstBuild (package:flutter/src/widgets/framework.dart:3716:5)
I/flutter (25140): #33 ComponentElement.mount (package:flutter/src/widgets/framework.dart:3711:5)
I/flutter (25140): #34 Element.inflateWidget (package:flutter/src/widgets/framework.dart:2956:14)
I/flutter (25140): #35 Element.updateChild (package:flutter/src/widgets/framework.dart:2759:12)
I/flutter (25140): #36 ComponentElement.performRebuild (package:flutter/src/widgets/framework.dart:3747:16)
I/flutter (25140): #37 Element.rebuild (package:flutter/src/widgets/framework.dart:3559:5)
I/flutter (25140): #38 ComponentElement._firstBuild (package:flutter/src/widgets/framework.dart:3716:5)
I/flutter (25140): #39 StatefulElement._firstBuild (package:flutter/src/widgets/framework.dart:3864:11)
I/flutter (25140): #40 ComponentElement.mount (package:flutter/src/widgets/framework.dart:3711:5)
I/flutter (25140): #41 Element.inflateWidget (package:flutter/src/widgets/framework.dart:2956:14)
I/flutter (25140): #42 Element.updateChild (package:flutter/src/widgets/framework.dart:2759:12)
I/flutter (25140): #43 SingleChildRenderObjectElement.mount (package:flutter/src/widgets/framework.dart:4876:14)
I/flutter (25140): #44 Element.inflateWidget (package:flutter/src/widgets/framework.dart:2956:14)
I/flutter (25140): #45 Element.updateChild (package:flutter/src/widgets/framework.dart:2759:12)
I/flutter (25140): #46 ComponentElement.performRebuild (package:flutter/src/widgets/framework.dart:3747:16)
I/flutter (25140): #47 Element.rebuild (package:flutter/src/widgets/framework.dart:3559:5)
I/flutter (25140): #48 ComponentElement._firstBuild (package:flutter/src/widgets/framework.dart:3716:5)
I/flutter (25140): #49 ComponentElement.mount (package:flutter/src/widgets/framework.dart:3711:5)
I/flutter (25140): #50 Element.inflateWidget (package:flutter/src/widgets/framework.dart:2956:14)
I/flutter (25140): #51 Element.updateChild (package:flutter/src/widgets/framework.dart:2759:12)
I/flutter (25140): #52 SingleChildRenderObjectElement.mount (package:flutter/src/widgets/framework.dart:4876:14)
I/flutter (25140): #53 Element.inflateWidget (package:flutter/src/widgets/framework.dart:2956:14)
I/flutter (25140): #54 Element.updateChild (package:flutter/src/widgets/framework.dart:2759:12)
I/flutter (25140): #55 ComponentElement.performRebuild (package:flutter/src/widgets/framework.dart:3747:16)
I/flutter (25140): #56 Element.rebuild (package:flutter/src/widgets/framework.dart:3559:5)
I/flutter (25140): #57 ComponentElement._firstBuild (package:flutter/src/widgets/framework.dart:3716:5)
I/flutter (25140): #58 StatefulElement._firstBuild (package:flutter/src/widgets/framework.dart:3864:11)
I/flutter (25140): #59 ComponentElement.mount (package:flutter/src/widgets/framework.dart:3711:5)
I/flutter (25140): #60 Element.inflateWidget (package:flutter/src/widgets/framework.dart:2956:14)
I/flutter (25140): #61 Element.updateChild (package:flutter/src/widgets/framework.dart:2759:12)
I/flutter (25140): #62 ComponentElement.performRebuild (package:flutter/src/widgets/framework.dart:3747:16)
I/flutter (25140): #63 Element.rebuild (package:flutter/src/widgets/framework.dart:3559:5)
I/flutter (25140): #64 ComponentElement._firstBuild (package:flutter/src/widgets/framework.dart:3716:5)
I/flutter (25140): #65 ComponentElement.mount (package:flutter/src/widgets/framework.dart:3711:5)
I/flutter (25140): #66 Element.inflateWidget (package:flutter/src/widgets/framework.dart:2956:14)
I/flutter (25140): #67 Element.updateChild (package:flutter/src/widgets/framework.dart:2759:12)
I/flutter (25140): #68 SingleChildRenderObjectElement.mount (package:flutter/src/widgets/framework.dart:4876:14)
I/flutter (25140): #69 Element.inflateWidget (package:flutter/src/widgets/framework.dart:2956:14)
I/flutter (25140): #70 Element.updateChild (package:flutter/src/widgets/framework.dart:2759:12)
I/flutter (25140): #71 ComponentElement.performRebuild (package:flutter/src/widgets/framework.dart:3747:16)
I/flutter (25140): #72 Element.rebuild (package:flutter/src/widgets/framework.dart:3559:5)
I/flutter (25140): #73 ComponentElement._firstBuild (package:flutter/src/widgets/framework.dart:3716:5)
I/flutter (25140): #74 ComponentElement.mount (package:flutter/src/widgets/framework.dart:3711:5)
I/flutter (25140): #75 Element.inflateWidget (package:flutter/src/widgets/framework.dart:2956:14)
I/flutter (25140): #76 Element.updateChild (package:flutter/src/widgets/framework.dart:2759:12)
I/flutter (25140): #77 ComponentElement.performRebuild (package:flutter/src/widgets/framework.dart:3747:16)
I/flutter (25140): #78 Element.rebuild (package:flutter/src/widgets/framework.dart:3559:5)
I/flutter (25140): #79 ComponentElement._firstBuild (package:flutter/src/widgets/framework.dart:3716:5)
I/flutter (25140): #80 StatefulElement._firstBuild (package:flutter/src/widgets/framework.dart:3864:11)
I/flutter (25140): #81 ComponentElement.mount (package:flutter/src/widgets/framework.dart:3711:5)
I/flutter (25140): #82 Element.inflateWidget (package:flutter/src/widgets/framework.dart:2956:14)
I/flutter (25140): #83 Element.updateChild (package:flutter/src/widgets/framework.dart:2759:12)
I/flutter (25140): #84 ComponentElement.performRebuild (package:flutter/src/widgets/framework.dart:3747:16)
I/flutter (25140): #85 Element.rebuild (package:flutter/src/widgets/framework.dart:3559:5)
I/flutter (25140): #86 ComponentElement._firstBuild (package:flutter/src/widgets/framework.dart:3716:5)
I/flutter (25140): #87 StatefulElement._firstBuild (package:flutter/src/widgets/framework.dart:3864:11)
I/flutter (25140): #88 ComponentElement.mount (package:flutter/src/widgets/framework.dart:3711:5)
I/flutter (25140): #89 Element.inflateWidget (package:flutter/src/widgets/framework.dart:2956:14)
I/flutter (25140): #90 MultiChildRenderObjectElement.mount (package:flutter/src/widgets/framework.dart:4982:32)
I/flutter (25140): #91 Element.inflateWidget (package:flutter/src/widgets/framework.dart:2956:14)
I/flutter (25140): #92 Element.updateChild (package:flutter/src/widgets/framework.dart:2759:12)
I/flutter (25140): #93 _TheatreElement.mount (package:flutter/src/widgets/overlay.dart:494:16)
I/flutter (25140): #94 Element.inflateWidget (package:flutter/src/widgets/framework.dart:2956:14)
I/flutter (25140): #95 Element.updateChild (package:flutter/src/widgets/framework.dart:2759:12)
I/flutter (25140): #96 ComponentElement.performRebuild (package:flutter/src/widgets/framework.dart:3747:16)
I/flutter (25140): #97 Element.rebuild (package:flutter/src/widgets/framework.dart:3559:5)
I/flutter (25140): #98 ComponentElement._firstBuild (package:flutter/src/widgets/framework.dart:3716:5)
I/flutter (25140): #99 StatefulElement._firstBuild (package:flutter/src/widgets/framework.dart:3864:11)
I/flutter (25140): #100 ComponentElement.mount (package:flutter/src/widgets/framework.dart:3711:5)
I/flutter (25140): #101 Element.inflateWidget (package:flutter/src/widgets/framework.dart:2956:14)
I/flutter (25140): #102 Element.updateChild (package:flutter/src/widgets/framework.dart:2759:12)
I/flutter (25140): #103 ComponentElement.performRebuild (package:flutter/src/widgets/framework.dart:3747:16)
I/flutter (25140): #104 Element.rebuild (package:flutter/src/widgets/framework.dart:3559:5)
I/flutter (25140): #105 ComponentElement._firstBuild (package:flutter/src/widgets/framework.dart:3716:5)
I/flutter (25140): #106 ComponentElement.mount (package:flutter/src/widgets/framework.dart:3711:5)
I/flutter (25140): #107 Element.inflateWidget (package:flutter/src/widgets/framework.dart:2956:14)
I/flutter (25140): #108 Element.updateChild (package:flutter/src/widgets/framework.dart:2759:12)
I/flutter (25140): #109 SingleChildRenderObjectElement.mount (package:flutter/src/widgets/framework.dart:4876:14)
I/flutter (25140): #110 Element.inflateWidget (package:flutter/src/widgets/framework.dart:2956:14)
I/flutter (25140): #111 Element.updateChild (package:flutter/src/widgets/framework.dart:2759:12)
I/flutter (25140): #112 ComponentElement.performRebuild (package:flutter/src/widgets/framework.dart:3747:16)
I/flutter (25140): #113 Element.rebuild (package:flutter/src/widgets/framework.dart:3559:5)
I/flutter (25140): #114 ComponentElement._firstBuild (package:flutter/src/widgets/framework.dart:3716:5)
I/flutter (25140): #115 StatefulElement._firstBuild (package:flutter/src/widgets/framework.dart:3864:11)
I/flutter (25140): #116 ComponentElement.mount (package:flutter/src/widgets/framework.dart:3711:5)
I/flutter (25140): #117 Element.inflateWidget (package:flutter/src/widgets/framework.dart:2956:14)
I/flutter (25140): #118 Element.updateChild (package:flutter/src/widgets/framework.dart:2759:12)
I/flutter (25140): #119 SingleChildRenderObjectElement.mount (package:flutter/src/widgets/framework.dart:4876:14)
I/flutter (25140): #120 Element.inflateWidget (package:flutter/src/widgets/framework.dart:2956:14)
I/flutter (25140): #121 Element.updateChild (package:flutter/src/widgets/framework.dart:2759:12)
I/flutter (25140): #122 SingleChildRenderObjectElement.mount (package:flutter/src/widgets/framework.dart:4876:14)
I/flutter (25140): #123 Element.inflateWidget (package:flutter/src/widgets/framework.dart:2956:14)
I/flutter (25140): #124 Element.updateChild (package:flutter/src/widgets/framework.dart:2759:12)
I/flutter (25140): #125 ComponentElement.performRebuild (package:flutter/src/widgets/framework.dart:3747:16)
I/flutter (25140): #126 Element.rebuild (package:flutter/src/widgets/framework.dart:3559:5)
I/flutter (25140): #127 ComponentElement._firstBuild (package:flutter/src/widgets/framework.dart:3716:5)
I/flutter (25140): #128 StatefulElement._firstBuild (package:flutter/src/widgets/framework.dart:3864:11)
I/flutter (25140): #129 ComponentElement.mount (package:flutter/src/widgets/framework.dart:3711:5)
I/flutter (25140): #130 Element.inflateWidget (package:flutter/src/widgets/framework.dart:2956:14)
I/flutter (25140): #131 Element.updateChild (package:flutter/src/widgets/framework.dart:2759:12)
I/flutter (25140): #132 ComponentElement.performRebuild (package:flutter/src/widgets/framework.dart:3747:16)
I/flutter (25140): #133 Element.rebuild (package:flutter/src/widgets/framework.dart:3559:5)
I/flutter (25140): #134 ComponentElement._firstBuild (package:flutter/src/widgets/framework.dart:3716:5)
I/flutter (25140): #135 ComponentElement.mount (package:flutter/src/widgets/framework.dart:3711:5)
I/flutter (25140): #136 Element.inflateWidget (package:flutter/src/widgets/framework.dart:2956:14)
I/flutter (25140): #137 Element.updateChild (package:flutter/src/widgets/framework.dart:2759:12)
I/flutter (25140): #138 ComponentElement.performRebuild (package:flutter/src/widgets/framework.dart:3747:16)
I/flutter (25140): Loading prifile from cache
I/flutter (25140): contact id 5cb454fb6b0d532ccac4fb1b
I/flutter (25140): #139 Element.rebuild (package:flutter/src/widgets/framework.dart:3559:5)
I/flutter (25140): #140 ComponentElement._firstBuild (package:flutter/src/widgets/framework.dart:3716:5)
I/flutter (25140): #141 ComponentElement.mount (package:flutter/src/widgets/framework.dart:3711:5)
I/flutter (25140): #142 Element.inflateWidget (package:flutter/src/widgets/framework.dart:2956:14)
I/flutter (25140): #143 Element.updateChild (package:flutter/src/widgets/framework.dart:2759:12)
I/flutter (25140): #144 ComponentElement.performRebuild (package:flutter/src/widgets/framework.dart:3747:16)
I/flutter (25140): #145 Element.rebuild (package:flutter/src/widgets/framework.dart:3559:5)
I/flutter (25140): #146 ComponentElement._firstBuild (package:flutter/src/widgets/framework.dart:3716:5)
I/flutter (25140): #147 ComponentElement.mount (package:flutter/src/widgets/framework.dart:3711:5)
I/flutter (25140): #148 Element.inflateWidget (package:flutter/src/widgets/framework.dart:2956:14)
I/flutter (25140): #149 Element.updateChild (package:flutter/src/widgets/framework.dart:2759:12)
I/flutter (25140): #150 ComponentElement.performRebuild (package:flutter/src/widgets/framework.dart:3747:16)
I/flutter (25140): #151 Element.rebuild (package:flutter/src/widgets/framework.dart:3559:5)
I/flutter (25140): #152 ComponentElement._firstBuild (package:flutter/src/widgets/framework.dart:3716:5)
I/flutter (25140): #153 ComponentElement.mount (package:flutter/src/widgets/framework.dart:3711:5)
I/flutter (25140): #154 Element.inflateWidget (package:flutter/src/widgets/framework.dart:2956:14)
I/flutter (25140): #155 Element.updateChild (package:flutter/src/widgets/framework.dart:2759:12)
I/flutter (25140): #156 ComponentElement.performRebuild (package:flutter/src/widgets/framework.dart:3747:16)
I/flutter (25140): #157 Element.rebuild (package:flutter/src/widgets/framework.dart:3559:5)
I/flutter (25140): #158 ComponentElement._firstBuild (package:flutter/src/widgets/framework.dart:3716:5)
I/flutter (25140): #159 StatefulElement._firstBuild (package:flutter/src/widgets/framework.dart:3864:11)
I/flutter (25140): #160 ComponentElement.mount (package:flutter/src/widgets/framework.dart:3711:5)
I/flutter (25140): #161 Element.inflateWidget (package:flutter/src/widgets/framework.dart:2956:14)
I/flutter (25140): #162 Element.updateChild (package:flutter/src/widgets/framework.dart:2759:12)
I/flutter (25140): #163 ComponentElement.performRebuild (package:flutter/src/widgets/framework.dart:3747:16)
I/flutter (25140): #164 Element.rebuild (package:flutter/src/widgets/framework.dart:3559:5)
I/flutter (25140): #165 ComponentElement._firstBuild (package:flutter/src/widgets/framework.dart:3716:5)
I/flutter (25140): #166 ComponentElement.mount (package:flutter/src/widgets/framework.dart:3711:5)
I/flutter (25140): #167 Element.inflateWidget (package:flutter/src/widgets/framework.dart:2956:14)
I/flutter (25140): #168 Element.updateChild (package:flutter/src/widgets/framework.dart:2759:12)
I/flutter (25140): #169 ComponentElement.performRebuild (package:flutter/src/widgets/framework.dart:3747:16)
I/flutter (25140): #170 Element.rebuild (package:flutter/src/widgets/framework.dart:3559:5)
I/flutter (25140): #171 ComponentElement._firstBuild (package:flutter/src/widgets/framework.dart:3716:5)
I/flutter (25140): #172 ComponentElement.mount (package:flutter/src/widgets/framework.dart:3711:5)
I/flutter (25140): #173 Element.inflateWidget (package:flutter/src/widgets/framework.dart:2956:14)
I/flutter (25140): #174 Element.updateChild (package:flutter/src/widgets/framework.dart:2759:12)
I/flutter (25140): #175 SingleChildRenderObjectElement.mount (package:flutter/src/widgets/framework.dart:4876:14)
I/flutter (25140): #176 Element.inflateWidget (package:flutter/src/widgets/framework.dart:2956:14)
I/flutter (25140): #177 Element.updateChild (package:flutter/src/widgets/framework.dart:2759:12)
I/flutter (25140): #178 ComponentElement.performRebuild (package:flutter/src/widgets/framework.dart:3747:16)
I/flutter (25140): #179 Element.rebuild (package:flutter/src/widgets/framework.dart:3559:5)
I/flutter (25140): #180 ComponentElement._firstBuild (package:flutter/src/widgets/framework.dart:3716:5)
I/flutter (25140): #181 ComponentElement.mount (package:flutter/src/widgets/framework.dart:3711:5)
I/flutter (25140): #182 Element.inflateWidget (package:flutter/src/widgets/framework.dart:2956:14)
I/flutter (25140): #183 Element.updateChild (package:flutter/src/widgets/framework.dart:2759:12)
I/flutter (25140): #184 ComponentElement.performRebuild (package:flutter/src/widgets/framework.dart:3747:16)
I/flutter (25140): #185 Element.rebuild (package:flutter/src/widgets/framework.dart:3559:5)
I/flutter (25140): #186 ComponentElement._firstBuild (package:flutter/src/widgets/framework.dart:3716:5)
I/flutter (25140): #187 ComponentElement.mount (package:flutter/src/widgets/framework.dart:3711:5)
I/flutter (25140): #188 Element.inflateWidget (package:flutter/src/widgets/framework.dart:2956:14)
I/flutter (25140): #189 Element.updateChild (package:flutter/src/widgets/framework.dart:2759:12)
I/flutter (25140): #190 ComponentElement.performRebuild (package:flutter/src/widgets/framework.dart:3747:16)
I/flutter (25140): #191 Element.rebuild (package:flutter/src/widgets/framework.dart:3559:5)
I/flutter (25140): #192 ComponentElement._firstBuild (package:flutter/src/widgets/framework.dart:3716:5)
I/flutter (25140): #193 ComponentElement.mount (package:flutter/src/widgets/framework.dart:3711:5)
I/flutter (25140): #194 Element.inflateWidget (package:flutter/src/widgets/framework.dart:2956:14)
I/flutter (25140): #195 Element.updateChild (package:flutter/src/widgets/framework.dart:2759:12)
I/flutter (25140): #196 ComponentElement.performRebuild (package:flutter/src/widgets/framework.dart:3747:16)
I/flutter (25140): #197 Element.rebuild (package:flutter/src/widgets/framework.dart:3559:5)
I/flutter (25140): #198 ComponentElement._firstBuild (package:flutter/src/widgets/framework.dart:3716:5)
I/flutter (25140): #199 ComponentElement.mount (package:flutter/src/widgets/framework.dart:3711:5)
I/flutter (25140): #200 Element.inflateWidget (package:flutter/src/widgets/framework.dart:2956:14)
I/flutter (25140): #201 Element.updateChild (package:flutter/src/widgets/framework.dart:2759:12)
I/flutter (25140): #202 ComponentElement.performRebuild (package:flutter/src/widgets/framework.dart:3747:16)
I/flutter (25140): #203 Element.rebuild (package:flutter/src/widgets/framework.dart:3559:5)
I/flutter (25140): #204 ComponentElement._firstBuild (package:flutter/src/widgets/framework.dart:3716:5)
I/flutter (25140): #205 ComponentElement.mount (package:flutter/src/widgets/framework.dart:3711:5)
I/flutter (25140): #206 Element.inflateWidget (package:flutter/src/widgets/framework.dart:2956:14)
I/flutter (25140): #207 Element.updateChild (package:flutter/src/widgets/framework.dart:2759:12)
I/flutter (25140): #208 SingleChildRenderObjectElement.mount (package:flutter/src/widgets/framework.dart:4876:14)
I/flutter (25140): #209 Element.inflateWidget (package:flutter/src/widgets/framework.dart:2956:14)
I/flutter (25140): #210 Element.updateChild (package:flutter/src/widgets/framework.dart:2759:12)
I/flutter (25140): #211 ComponentElement.performRebuild (package:flutter/src/widgets/framework.dart:3747:16)
I/flutter (25140): #212 Element.rebuild (package:flutter/src/widgets/framework.dart:3559:5)
I/flutter (25140): #213 ComponentElement._firstBuild (package:flutter/src/widgets/framework.dart:3716:5)
I/flutter (25140): #214 StatefulElement._firstBuild (package:flutter/src/widgets/framework.dart:3864:11)
I/flutter (25140): #215 ComponentElement.mount (package:flutter/src/widgets/framework.dart:3711:5)
I/flutter (25140): #216 Element.inflateWidget (package:flutter/src/widgets/framework.dart:2956:14)
I/flutter (25140): #217 Element.updateChild (package:flutter/src/widgets/framework.dart:2759:12)
I/flutter (25140): #218 ComponentElement.performRebuild (package:flutter/src/widgets/framework.dart:3747:16)
I/flutter (25140): #219 Element.rebuild (package:flutter/src/widgets/framework.dart:3559:5)
I/flutter (25140): #220 ComponentElement._firstBuild (package:flutter/src/widgets/framework.dart:3716:5)
I/flutter (25140): #221 ComponentElement.mount (package:flutter/src/widgets/framework.dart:3711:5)
I/flutter (25140): #222 Element.inflateWidget (package:flutter/src/widgets/framework.dart:2956:14)
I/flutter (25140): #223 Element.updateChild (package:flutter/src/widgets/framework.dart:2759:12)
I/flutter (25140): #224 ComponentElement.performRebuild (package:flutter/src/widgets/framework.dart:3747:16)
I/flutter (25140): #225 Element.rebuild (package:flutter/src/widgets/framework.dart:3559:5)
I/flutter (25140): #226 ComponentElement._firstBuild (package:flutter/src/widgets/framework.dart:3716:5)
I/flutter (25140): #227 StatefulElement._firstBuild (package:flutter/src/widgets/framework.dart:3864:11)
I/flutter (25140): #228 ComponentElement.mount (package:flutter/src/widgets/framework.dart:3711:5)
I/flutter (25140): #229 Element.inflateWidget (package:flutter/src/widgets/framework.dart:2956:14)
I/flutter (25140): #230 Element.updateChild (package:flutter/src/widgets/framework.dart:2759:12)
I/flutter (25140): #231 ComponentElement.performRebuild (package:flutter/src/widgets/framework.dart:3747:16)
I/flutter (25140): #232 Element.rebuild (package:flutter/src/widgets/framework.dart:3559:5)
I/flutter (25140): #233 ComponentElement._firstBuild (package:flutter/src/widgets/framework.dart:3716:5)
I/flutter (25140): #234 ComponentElement.mount (package:flutter/src/widgets/framework.dart:3711:5)
I/flutter (25140): #235 Element.inflateWidget (package:flutter/src/widgets/framework.dart:2956:14)
I/flutter (25140): #236 Element.updateChild (package:flutter/src/widgets/framework.dart:2759:12)
I/flutter (25140): #237 ComponentElement.performRebuild (package:flutter/src/widgets/framework.dart:3747:16)
I/flutter (25140): #238 Element.rebuild (package:flutter/src/widgets/framework.dart:3559:5)
I/flutter (25140): #239 ComponentElement._firstBuild (package:flutter/src/widgets/framework.dart:3716:5)
I/flutter (25140): #240 StatefulElement._firstBuild (package:flutter/src/widgets/framework.dart:3864:11)
I/flutter (25140): #241 ComponentElement.mount (package:flutter/src/widgets/framework.dart:3711:5)
I/flutter (25140): #242 Element.inflateWidget (package:flutter/src/widgets/framework.dart:2956:14)
I/flutter (25140): #243 Element.updateChild (package:flutter/src/widgets/framework.dart:2759:12)
I/flutter (25140): #244 ComponentElement.performRebuild (package:flutter/src/widgets/framework.dart:3747:16)
I/flutter (25140): #245 Element.rebuild (package:flutter/src/widgets/framework.dart:3559:5)
I/flutter (25140): #246 ComponentElement._firstBuild (package:flutter/src/widgets/framework.dart:3716:5)
I/flutter (25140): #247 ComponentElement.mount (package:flutter/src/widgets/framework.dart:3711:5)
I/flutter (25140): #248 Element.inflateWidget (package:flutter/src/widgets/framework.dart:2956:14)
I/flutter (25140): #249 Element.updateChild (package:flutter/src/widgets/framework.dart:2759:12)
I/flutter (25140): #250 RenderObjectToWidgetElement._rebuild (package:flutter/src/widgets/binding.dart:933:16)
I/flutter (25140): #251 RenderObjectToWidgetElement.mount (package:flutter/src/widgets/binding.dart:904:5)
I/flutter (25140): #252 RenderObjectToWidgetAdapter.attachToRenderTree. (package:flutter/src/widgets/binding.dart:850:17)
I/flutter (25140): #253 BuildOwner.buildScope (package:flutter/src/widgets/framework.dart:2253:19)
I/flutter (25140): #254 RenderObjectToWidgetAdapter.attachToRenderTree (package:flutter/src/widgets/binding.dart:849:13)
I/flutter (25140): #255 _WidgetsFlutterBinding&BindingBase&GestureBinding&ServicesBinding&SchedulerBinding&PaintingBinding&SemanticsBinding&RendererBinding&WidgetsBinding.attachRootWidget (package:flutter/src/widgets/binding.dart:736:7)
I/flutter (25140): #256 runApp (package:flutter/src/widgets/binding.dart:780:7)
I/flutter (25140): #257 main (package:biz_card_scanner/main.dart:14:3)
I/flutter (25140): #268 initUniLinks (package:biz_card_scanner/main.dart)
I/flutter (25140): #279 getInitialUri (package:uni_links/uni_links.dart)
I/flutter (25140): #290 getInitialLink (package:uni_links/uni_links.dart)
I/flutter (25140): #301 MethodChannel.invokeMethod (package:flutter/src/services/platform_channel.dart)
I/flutter (25140): (elided 54 frames from package dart:async)
I/flutter (25140): ════════════════════════════════════════════════════════════════════════════════════════════════════

We need the code, my friend.

hi @Vandana-kanwar, the assertion failure is triggered by MyApplication.build. (package:biz_card_scanner/app.dart:60:29), which looks to be in your application. For support, please check out one of the channels at flutter.dev/support - thanks!

This thread has been automatically locked since there has not been any recent activity after it was closed. If you are still experiencing a similar issue, please open a new bug, including the output of flutter doctor -v and a minimal reproduction of the issue.