Creating Admin App in Flutter with Firebase Auth and Firestore (Your App Idea 1)

Bytx

1 Apr 202110:32

Summary

TLDRIn this tutorial, the creator guides viewers through building an admin and user login system in a Flutter app using Firebase. The app features a shared login screen that redirects users to either an admin or home screen based on their role. The script includes creating a splash screen, fetching and editing user data, and adding a sign-up form. The video emphasizes privacy concerns, advising against storing user passwords and recommending Firebase's built-in controls for user management.

Takeaways

😀 The video tutorial focuses on creating an admin and user login system in a Flutter app.
🔐 Users can log in using the same login screen, but are redirected to either an admin or user home screen based on their role.
💡 The idea for the video was suggested by a viewer, encouraging others to share their ideas in the comments for potential inclusion in future videos.
🔄 A new 'role' field is added to the sign-up function, with 'user' as the default role.
🌐 A splash screen is created to determine if a user is an admin or a regular user, redirecting them accordingly.
🔍 Admins can access and view user data by entering the user's email.
🛠️ The video demonstrates how to create a screen for admins to edit user data, with a focus on not changing the user's email for privacy reasons.
🚫 A caution is given against saving user passwords due to privacy concerns, and it's mentioned that this is only for educational purposes.
👥 Admins can create new users through a form with email and password fields, and the video suggests not requiring admin approval for users created by admins.
✅ The video concludes with a reminder that the source code will be available in the video description for those who want to follow along.

Q & A

What is the main purpose of the app being developed in the video?
-The app allows both admin and user roles to log in through the same login screen, but they are redirected to different screens based on their role.
How does the login system differentiate between admin and user roles?
-After logging in, the system checks the user's role and redirects them to the admin screen if they are an admin or to the home screen if they are a regular user.
What is the role of Firebase in the app?
-Firebase is used for user authentication in the app, allowing users to sign up and log in. Additionally, admin users can fetch and edit data from Firebase based on a user's email.
What is a key feature that the admin role provides in this app?
-The admin can access, edit, and manage user data by entering the user's email. The admin also has the ability to create new users and deactivate existing users.
What precaution does the developer mention about editing user data?
-The developer advises against changing a user’s email because it could break the authentication process if using the same login method as demonstrated.
Why does the developer recommend not saving user passwords in the app?
-Saving user passwords can violate user privacy. The developer only does it for educational purposes in this video but doesn't recommend it for actual use.
How does the admin create new users in the app?
-The admin creates new users by filling out forms with at least an email and password. A button is then used to add the new user to Firebase Authentication.
Why is it important for the admin not to change a user's password from within the app?
-Changing a user's password via the admin controls will not affect the Firebase authentication password, making the change ineffective.
What is the role of the splash screen in the app?
-The splash screen checks whether the user is an admin or a regular user and redirects them accordingly to either the admin or home screen.
Can the admin deactivate users in the app, and how is it done?
-Yes, the admin can deactivate users, but this action must be done through the Firebase Authentication console, not directly in the app.

Outlines

00:00

📱 Admin and User Login with Role-based Navigation

The video introduces a Flutter app where both admin and user can log in via the same login screen. Depending on their role, they will be redirected either to the admin screen or the home screen. This video builds on a previous one involving login and signup with Firebase, and the admin role is added. To follow along, viewers should watch the earlier video to understand the existing code. A role field is added to the signup function with a default user role. The splash screen will check the user's role and redirect accordingly.

05:20

🔄 Testing Admin Access to User Data

The admin now has the ability to retrieve a user's data by entering the user's email. The video proceeds to demonstrate how to create a screen where the admin can edit user data. There's a minor mistake in the logic, but it's corrected. The admin will be able to continue editing after entering the user's email, and a flag will be set to true. The importance of not changing the user's email is emphasized, especially if using a method similar to the one demonstrated. Password management is briefly discussed, with advice against storing user passwords.

10:22

👨‍💻 Creating and Managing Users as Admin

The admin is shown how to create new users using forms for email and password. The custom method used helps organize users efficiently. In this case, the admin doesn't need to approve new users, since they are created directly by the admin. The video concludes by mentioning that users can be deactivated via the Firebase Auth console. Finally, viewers are thanked for watching, with a promise to include the source code in the video description.

Mindmap

Keywords

💡Admin Role

In the context of the video, the 'Admin Role' refers to a specific user type with elevated privileges. An admin can perform actions like viewing and editing user data, as well as creating new users. The video's theme revolves around setting up different roles (admin and user) and redirecting users to appropriate screens based on their role.

💡User Role

The 'User Role' in this video represents a standard user with limited privileges. Users can log in and access the home screen, but they don't have the advanced capabilities that admins do, such as managing other users' data. The video demonstrates how to set this role by default during the sign-up process.

💡Firebase

Firebase is a cloud-based platform by Google that provides services like authentication, databases, and storage. In the video, Firebase is used for authentication, enabling both admin and users to sign up, log in, and manage their credentials. The video highlights the use of Firebase for handling login and sign-up functionalities.

💡Login Screen

The 'Login Screen' is the shared interface where both admins and users can enter their credentials to access the app. After logging in, users are redirected either to the admin screen or the home screen, depending on their role. This concept is central to the video as it shows how to manage role-based redirection.

💡Sign Up Function

The 'Sign Up Function' is responsible for creating new users and assigning them a role, which defaults to 'user' unless specified otherwise. In the video, the developer demonstrates how to modify the sign-up function to include a 'role' field, which becomes crucial in distinguishing between admins and regular users.

💡Splash Screen

The 'Splash Screen' is the initial screen that appears when the app is launched. In this video, the splash screen plays a functional role in checking whether the logged-in user is an admin or a regular user and redirects them accordingly. This ensures that users are taken to the correct interface based on their role.

💡Admin Screen

The 'Admin Screen' is a specialized interface accessible only to users with the admin role. In the video, admins are redirected to this screen where they can view, edit, and manage user data. It is one of the key features implemented in the app, differentiating the admin experience from that of a regular user.

💡Home Screen

The 'Home Screen' is the default screen for regular users. After logging in, users with the 'user' role are redirected here instead of the admin screen. The video highlights how the app ensures users with different roles are directed to the appropriate screens based on their credentials.

💡Edit User Data

This feature allows admins to modify the details of a user's account, such as email or other information. The video demonstrates the process of creating a form where admins can input a user's email to retrieve their data for editing. This functionality is crucial for admin management within the app.

💡Firebase Auth

'Firebase Auth' refers to Firebase's authentication service, which is used in the video to manage user credentials. The video explains how Firebase Auth is used to register, log in, and manage user sessions for both admins and regular users. The developer also mentions Firebase Auth's limitations in editing user passwords through the app.

Highlights

Creating an admin and user login system in Flutter.

Admin and user roles are distinguished upon login.

Video idea inspired by a community member, Jayamaruganj.

Invitation for viewers to suggest ideas for future videos.

Building upon a previous tutorial on Firebase authentication.

Introduction of a new 'role' field in the sign-up function.

Creating a splash screen to determine user role.

Admins are redirected to an admin screen, users to a home screen.

Testing the login and role redirection functionality.

Admins can access and edit user data by email.

Creating an edit screen for admins to modify user information.

Fixing a mistake where the user role was incorrectly identified.

Ensuring admin can edit user data after retrieving it.

Testing the admin's ability to edit user data.

Advice against changing the user's email for login consistency.

Warning against storing user passwords for privacy reasons.

Guidance on creating user accounts with admin controls.

Admins can deactivate users directly from Firebase Auth console.

Providing the source code in the video description.

Closing remarks and anticipation for the next video.