bmi calculator

bmi.dart

 double bmi = _weight / ((_height / 100) * (_height / 100));
                setState(() {
                  if (bmi < 18.5) {
                    _result = "Underweight";
                    _color = Colors.lightBlue;
                  } else if (bmi < 25) {
                    _result = "Normal";
                    _color = Colors.green;
                  } else if (bmi < 30) {
                    _result = "Overweight";
                    _color = Colors.amber;
                  } else {
                    _result = "Obese";
                    _color = Colors.red;
                  }
                });