Loading dialog

void signInwithGoogle() {

    showLoadingDialog(context);

    AuthService().signInwithGoogle();

    Navigator.of(context).pop();

  }

 import 'dart:ui';

import 'package:flutter/material.dart';

import '../../utils/colors.dart';

import 'custom_text.dart';

showLoadingDialog(BuildContext context) {

  return showGeneralDialog(

    barrierDismissible: false,

    barrierLabel: '',

    barrierColor: Colors.black38,

    transitionDuration: const Duration(milliseconds: 300),

    pageBuilder: (ctx, anim1, anim2) => AlertDialog(

      shape: const RoundedRectangleBorder(

          borderRadius: BorderRadius.all(Radius.circular(20.0))),

      title: Row(

        mainAxisAlignment: MainAxisAlignment.center,

        children: const [

          CircularProgressIndicator(

            color: blackColor,

          ),

          SizedBox(width: 20),

          Text("Loading...", style: TextStyle(color: blackColor)),

        ],

      ),

      content: Row(

        mainAxisAlignment: MainAxisAlignment.end,

        children: const [

          Icon(

            Icons.hourglass_empty,

            color: blackColor,

            size: 20,

          ),

          CustomText(

            size: 12,

            text: "  Processing",

            fontWeight: FontWeight.w500,

            textColor: blackColor,

          )

        ],

      ),

      elevation: 2,

    ),

    transitionBuilder: (ctx, anim1, anim2, child) => BackdropFilter(

      filter:

          ImageFilter.blur(sigmaX: 4 * anim1.value, sigmaY: 4 * anim1.value),

      child: FadeTransition(

        opacity: anim1,

        child: child,

      ),

    ),

    context: context,

  );

}