requestPermissions function
void
requestPermissions()
Implementation
void requestPermissions() async {
Map<Permission, PermissionStatus> status =
await [Permission.camera, Permission.storage, Permission.locationWhenInUse].request();
if (status[Permission.camera]!.isDenied) {
print("camera permission denied");
}
if (status[Permission.storage]!.isDenied) {
print("storage permission denied");
}
if (status[Permission.locationWhenInUse]!.isDenied) {
print("storage permission denied");
}
}