random stuffs I searched

random.dart

final bodyHeight  =MediaQuery.of(context).size.height - (MediaQuery.of(context).padding.top + kToolbarHeight);
LengthLimitingTextInputFormatter(100)//
WillPopScope(
      onWillPop: () async => Navigator.push(
          context, MaterialPageRoute(builder: (context) => AppLayout())),
//adding shadow
Container(
        height: 70,
         decoration: BoxDecoration(
          boxShadow: [
            BoxShadow(
              color: Colors.black.withOpacity(0.2),
              blurRadius: 4.0,
              spreadRadius: 2.0,
              offset: Offset(0, -2),
            ),
          ],
        ), // Set the elevation valu
  )
      
      
      ScaffoldMessenger.of(context).hideCurrentSnackBar();
      
      
      class CustomProgressBar extends StatelessWidget {
  final double width;
  final int value;
  final int totalValue;

  const CustomProgressBar({super.key, required this.width, required this.value, required this.totalValue});

  @override
  Widget build(BuildContext context) {
    double ratio = value / totalValue;
    return Row(mainAxisAlignment: MainAxisAlignment.center, children: [
      Stack(
        children: [
          Container(
            width: width,
            height: 4.dy,
            decoration: BoxDecoration(color: Colors.grey[300],
            borderRadius: BorderRadius.circular(5),
            ),
          ),
          Material(
            borderRadius: BorderRadius.circular(5),
            child: AnimatedContainer(
                height: 4.dy,
                width: width * ratio,
                duration: Duration(milliseconds: totalValue),
                decoration: BoxDecoration(
                    color: 
                    (ratio < 0.3)
                        ? Colors.red
                        : (ratio < 0.6)
                            ? Colors.orange
                            : (ratio < 0.9)
                                ? Colors.amber
                                : Colors.green,
                    borderRadius: BorderRadius.circular(5))),
          ),
        ],
      )
    ]);
  }
}
      
      
       Future<dynamic> fetchUrlFromBackend() async {
    DateTime now = DateTime.now();
    String url = kUrl == "pluto.vpay.africa"
        ? "https://storage.googleapis.com/burls/st/data.json"
        : "https://storage.googleapis.com/burls/pr/data.json";
        //"https://storage.googleapis.com/burls/st/data.json?x=timestamp"
    Dio dio = Dio();
    try {
      Response response = await dio
          .get(
            url,
            options: Options(
              headers: {
                'Cache-Control': 'no-cache',
              },
            ),
          )
          .timeout(const Duration(seconds: 10));
      return response.data["url"];
    } on DioException catch (error, stackTrace) {
      printOnlyInDebug(error.response?.statusCode);
      final apiError = NetworkException.fromDioError(error);
      return Future.error(apiError, stackTrace);
    } catch (e) {
      print("Error accessing default URL: $e");
      rethrow;
    }
  }

      
      //comment section 
      
      TextFormField(
        controller: houseAddressController,
        maxLines: null, // Allow unlimited lines
        decoration: InputDecoration(
          hintText: 'Write your comment here...',
          border: OutlineInputBorder(),
          fillColor: Colors.grey[200],
          filled: true,
        ),
      ),