showScanView method
Implementation
Future showScanView() async {
if (true == await permission()) {
await Future.delayed(Duration(milliseconds: 300));
setState(() {
_init = true;
_showPermission = false;
_showScanView = true;
});
} else {
setState(() {
_init = true;
_showScanView = false;
_showPermission = true;
});
}
}