Introduction to Mighty Food

Piping hot food at your doorstep is like a dream come true with the Mighty Food App. Build a user-friendly and appetizing Food Delivery mobile app for your cafe or restaurant business. It is packed with features and functions which get you going in literally no time! With 3 different modules - Mighty User, Mighty Admin and Mighty Delivery, you can stick to either of and manage your food delivery service with excellence. So take your business to next level by offering food deliveries anytime, anywhere for your customers. Mighty Food App is a complete solution when it comes to food delivery, bakery or even fast food businesses.


Android Studio: 4.1.2

Flutter: 2.0.0

Project Structure & Features

Mighty Food project structure and short description for each of them is as follow:

  • images: images as well as appIcon are stored here.
  • lib: Application main file and folder are located here.
    • component: All the Widgets except for screen will be declared here.
    • models: A base class that holds some data and allows other classes to listen to changes to that data.
    • services: All Firebase services are located here.
    • screens: FileName contents Screen at the end of name eg. DashboardScreen.
    • store: It is used for State management technique MOBX.
    • utils: Basic ready made widgets are located here.
      • Colors.dart: Application colors are declared here.
      • Common.dart: Commmon functions are declared here.
      • Constant.dart: All the constant values are declared here.
  • pubspec.yaml: Application name and other project dependencies can be found here.

Application Features

Features Mighty User
  • SignIn with Google / Email & password
  • Dark & light mode
  • Favorite Restaurant
  • Order Place
  • Track Order
  • Multiple Address selection
  • Add to cart
  • Implemented OTP login
  • Review
  • Show delivery Charges
Features Mighty Restaurant Manager
  • SignIn with Email/password
  • manage all orders
  • Favorite Restaurant
  • manage restaurant's menu items
  • add/update own restaurant's details
  • Added restaurant summary with graph view
  • Added delivery Charges
Features Mighty Admin
  • Email & password
  • Manage all restaurant
  • manage all users
  • Manage all food category
  • Manage all menu item
  • Manage all Order With all status
  • Added delivery Charges
  • Added Multiple Language Support functionality with RTL Support
Features Mighty Delivery Boy
  • SignIn with Google / Email & password
  • Dark & light mode
  • Track Order
  • Assign Order
  • Review
  • History Order
  • Ability to update current city
  • Added Multiple Language Support functionality with RTL Support
  • Added- Forgot password functionality
  • Show delivery Boy Income
  • Show delivery Charges

Introduction to Flutter

Flutter is Google’s UI toolkit for building beautiful, natively compiled applications for MOBILE, WEB, and DESKTOP from a single codebase. It is very easy to learn and currently it is getting more and more popular. With this blog post, you will learn some basic stuff about Flutter and after reading it, you will be able to create a simple application using this technology.

Click here to check out more details about flutter.

Tools & Setup


  • Flutter & Dart SDK
  • Anyone IDE Android Studio (Recommended), Visual Studio Code or IntelliJ IDEA
  • To edit this project you must have Flutter and Dart installed and configured successfully on your computer.
  • Set up your editor - Install the Flutter and Dart plugins.
  • If you have got Android SDK installed and configured, to install Flutter you only need to:
    • Download Flutter SDK from official website and extract it.
    • Add path to previously extracted SDK to your PATH variable
    • Run flutter doctor tool to check if everything is configured correctly.
    • All above steps are mentioned here:

Android Studio – Windows​

Step 1 : Get the Flutter SDK

1 Download the following installation bundle to get the latest stable release of the Flutter SDK:

2 Extract the zip file and place the contained flutter in the desired installation location for the Flutter SDK (for example, C:\src\flutter; do not install Flutter in a directory like C:\Program Files\ that requires elevated privileges).

Step 2 : Update your path

If you wish to run Flutter commands in the regular Windows console, take these steps to add Flutter to the PATH environment variable: From the Start search bar, enter ‘env’ and select Edit environment variables for your account. Under User variables check if there is an entry called Path:

  • Info
  • Note that you have to close and reopen any existing console windows for these changes to take effect.
You are now ready to run Flutter commands in the Flutter Console!

Step 3 : Run flutter doctor

From a console window that has the Flutter directory in the path (see above), run the following command to see if there are any platform dependencies you need to complete the setup:

c:\src\flutter>flutter doctor

If you find any issue during environment setup, please go online Click here

Android Studio – macOS​

Step 1 : Get the Flutter SDK

Step 2 : Update your path

  • Warning
  • Path variable needs to be updated to access “flutter” command from terminal. you can just update path variable for current terminal window only. and if you want to access flutter commands from anywhere in terminal, we need to update SDK path permanently.

To update PATH variable, we need to open terminal.

To update PATH variable for current terminal window only, then enter this command "export PATH="$PATH:`pwd`/flutter/bin"" and hit enter key.

To update PATH variable permanently, then Open or create .bash_profile file. to open or create that file, then enter "sudo open -e $HOME/.bash_profile" and hit enter key.

Append below line to bash_profile file at bottom of all other content. "export PATH="$PATH:[PATH_TO_FLUTTER_GIT_DIRECTORY]/flutter/bin"" as [PATH_TO_FLUTTER_GIT_DIRECTORY] is actual path of SDK folder.

Run this command on terminal "source $HOME/.bash_profile" to refresh PATH variables.

Then check whether our SDK is successfully installed or not.

You are now ready to run Flutter commands in the Flutter Console!

Run "flutter doctor" into terminal, If you are getting check list of flutter sdk requirements, it means SDK is successfully installed on your machine. and you can start building flutter apps on your machine.

If you find any issue during environment setup in macos, please go online Click here

Android Studio – Linux​​

Step 1 : Get the Flutter SDK

Step 2 : Update your path

  • Warning
  • Path variable needs to be updated to access “flutter” command from terminal. you can just update path variable for current terminal window only. and if you want to access flutter commands from anywhere in terminal, we need to update SDK path permanently.

You’ll probably want to update this variable permanently, so you can run flutter commands in any terminal session. To update PATH variable, we need to open terminal.


  1. Run source $HOME/. to refresh the current window, or open a new terminal window to automatically source the file.
  2. Verify that the flutter/bin directory is now in your PATH by running:

echo $PATH

Verify that the flutter command is available by running:

which flutter

You are now ready to run Flutter commands in the Flutter Console!

Getting Started (Build & Run)

  • Warning
  • All below steps are must be followed to build and run application

Download Project

Download and find the your project folder, use your preferred IDE (Android Studio / Visual Studio Code / IntelliJ IDEA) to run the project.


Get Dependencies

After you loaded project successfully, run the following command in the terminal to install all the dependencies listed in the pubspec.yaml file in the project's root directory or just click on Pub get in pubspec.yaml file if you don't want to use command.

flutter pub get
  • Warning
  • All below steps are must be followed to build and run application

Build and Run App

  1. Locate the main Android Studio toolbar.
  2. In the target selector, select an Android device for running the app. If none are listed as available, select Tools > Android > AVD Manager and create one there. For details, see Managing AVDs.
  3. Click the run icon in the toolbar, or invoke the menu item Run > Run.

After the app build completes, you’ll see the app on your device.

If you don’t use Android Studio or IntelliJ you can use the command line to run your application using the following command

  • Warning
  • Below step requires flutter path to be set in your Environment variables. See
flutter run

You will see below like screen after you have build your app successfully


Try hot reload

Flutter offers a fast development cycle with Stateful Hot Reload, the ability to reload the code of a live running app without restarting or losing app state. Make a change to app source, tell your IDE or command-line tool that you want to hot reload, and see the change in your simulator, emulator, or device.

  • Warning
  • Do not stop your app. let your app run.

Configuration & Customization

Android Configuration

  • Important
  • Don't open/change android code inside flutter because flutter doesn't compile android files.
  • If you want add/change android code, click on
    Tools->Flutter->Open Android module in Android Studio Or File->Open ->open android module inside your project
  • Important
  • Don't change package name inside android/app/src/main/AndroidManifest.xml file

Setup Firebase

Open Android module in Android Studio

Change Application Name

Change Application Icon

  • Important
  • You have to change app logo inside assets/app_logo.png in flutter
  • Warning
  • Application icon name must be ic_launcher

Change Application ID

iOS Configuration

Open Project in Xcode

Change Bundle Name


Change Bundle Identifier.

Bundle Id is a unique Identifier of your of app on iOS and MacOS. iOS and MacOS use it to recognise updates to your app. The identifier must be unique for your app.


Change App Icons

Change Google Map API Key

Google SignIn:-

In iOS Integration

Open Xcode and then open Info.plist file.

                < TODO Replace this value:>
                < Copied from GoogleService-Info.plist key REVERSED_CLIENT_ID>
                <string>"Enter your REVERSED_CLIENT_ID"</string>

Firebase Configuration

Create a Firebase project

Before you can add Firebase to your Flutter app, you need to create a Firebase project to connect to your app. Visit Understand Firebase Projects to learn more about Firebase projects.

  • Warning
  • If you're releasing your Flutter app on both iOS and Android, register both the iOS and Android versions of your app with the same Firebase project.

Visit for more information on how to setup for Android

Visit for more information on how to setup for iOS

Register your app with Firebase

Add a Firebase configuration file

Follow the instruction for enabling Firebase services in your Android app here

Enable the Google & Email/password SignIn


How to Make admin

Step 1 : Register yourself using your email address and a password from the user app.

  • Danger
  • To gain admin access, you must first register with your email address. Google Sign will not function.

Step 2 : After successfully creating the user, navigate to the firebase console and locate your document in the user collection. Change the value of isAdmin to true and change role to Admin in that document.

  • Info
  • If you want to create a user for testing purposes, set the isTester property to true in that user document.

Step 3 : Now, open the admin panel and sign in with your admin credentials.

How to Create Indexes

Step 1 : Navigate to the Firebase Console and then to Indexes.

Step 2 : This type of error will appear when you launch the admin panel.


Step 3 : Copy and paste this link into your browser to get this type of dialogue, then click on Create Indexes.

  • Info
  • Be patient, the indexes will take some time to build.

Step 4 : Create all indexes in this manner.

Create Indexes mannually

Step 1 : Click on the Add Index button, and then enter the collection id.


Step 2 : Create all of the indexes listed below and wait for them to be built.


How to deploy Firebase web app

Flutter Configuration

Setup OneSignal

1. Create a OneSignal Account

One Signal is used for send the push notification into mobile or web. for more detail about OneSignal Documentation.

Follow below steps

2. Configure OneSignal on App

For Android and iOS:-
Follow instruction for OneSignal Configure Here.

No matching client found for package name

  • The error is "package_name" in google-services.json is not matching with your "applicationId" in app gradle.
  • Just make sure the package_name and applicationId both are same.
Learn more at firebase-configuration

Flutter SDK Not Available

Download the SDK and point the SDK folder path in your future projects.

There are different sources you can try

  1. You can clone it from the Github Repository
  2. Download SDK zip file + extract it after downloading
  3. You can also Download any version(including older) from here (For Mac, Windows, Linux)

Use the SDK path in your future projects


Dependency Error

When you run the application and you see error like this

 Running "flutter pub upgrade" in mighty_food...
The current Flutter SDK version is 1.17.5.
Because mighty_food depends on flutter_svg >=0.18.0 which requires Flutter SDK version
>=1.18.0-6.0.pre <2.0.0, version solving failed. pub upgrade failed (1; Because
mighty_food depends on flutter_svg >=0.18.0 which requires Flutter SDK version
>=1.18.0-6.0.pre <2.0.0, version solving failed.) Process finished with exit code 1
Error Possibilities:
Generally, this error occurs when 
Error Possibilities

Generally, this error occurs when

  1. one of your third party package version is not supported.
  2. your Flutter SDK version not matched with one of your third party packages. for ex, your current Flutter SDK version is 1.20.0 and third party package targets Flutter SDK version 1.17.0.


After implementing the above solution, run the below command in the terminal.

flutter pub get

Authorization header not found

Message: Authorization header not found

Note If you faced this error during development then this error due to header not set on your admin panel

Solution: Just check Enable JWT Authentication section wordpress document to resolve this issue

Expired token

Message: Expired token

This error occurs due to the Expired user token.
Solution: Logout and re-login to your flutter app
  • Warning
  • We are working on autologin system. we will update it soon.

Unsupported gradle version 3.*.*

Message: Unsupported gradle version 3.*.*


1. Open project_root_directory/android in Android Studio

2. Wait for indexing

3. Now run your application from android module


Change Log

Version 8.0 – 25 Mar 2022

Version 7.0 – 05 Jan 2022

Version 6.0 – 11 Oct 2021

Version 5.0 – 03 July 2021

Version 4.0 – 05 Jun 2021

Version 3.0 – 28 May 2021

Version 2.0 – 22 May 2021

Version 1.0 – 15 May 2021

MeetMighty Help & Support

We like to hear you out when you get stuck or encounter difficulty with our products. As soon as you buy one of our products – you can open a support ticket and share your concern right away.

Submit support ticket:

Support Policy:

It is recommended that before submitting a ticket you take a close look at product documentation (Docs folder in the archive you have downloaded from Themeforest/Codecanyon). To get technical support and assistance, you need to have a valid purchase code. You will find this when you SignIn your Codecanyon/Themeforest “Download” page. Click on the product’s download link.

Please Note:

Free support policy includes troubleshooting, technical assistance with the product only. It does not include any customization, additional features integration or concerns about third-party plugins compatibility. But, support is applied to plugin(s) we have developed and integrated ourselves. We appreciate your understanding!

If you need assistance and information on purchased product that is not covered in documentation, post them on our support portal at You can expect answer within 24-48 hours, usually as soon as possible in the order they were received.

Additionally, if any support ticket has no response from the item owner for more than 7 days, that support ticket will be closed by default. However, if you need further assistance, you can create a new ticket.

All support requests are being processed on business days (Monday to Saturday) from 9:00 to 18:00 (GMT +05.30). We are in GMT+5:30 time zone. We address all the support queries 6 days weekly on the first-come, first-solve basis (Sundays off).

Do you have any pre-sales questions or concerns, please write to us via our website contact page or email us at [email protected]. We like getting positive feedback from our customers, and this is why we do our best to earn it! Write a review:

Change Log

Update your application to give for the best experience – check out what’s new and improved. Thank you

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