Oi, coloquei a mesma versão do video, mas aparece esse erro:
D/EGL_emulation(10478): app_time_stats: avg=23403.47ms min=23403.47ms max=23403.47ms count=1 E/flutter (10478): [ERROR:flutter/runtime/dart_vm_initializer.cc(41)] Unhandled Exception: MissingPluginException(No implementation found for method getApplicationSupportDirectory on channel plugins.flutter.io/path_provider)
Meu código no github: