Create a real world mobile chat application… [PDF/iPad/Kindle]

Christophe Surbier is a mobile freelance developer since 2009.

He has done iOS native development during 8 years before switching to **Ionic** development in 2017.

At this day, he developed more than two hundred mobile applications of different kind and for different customers or companies. Most of these applications were associated with a backend developed in Django. He also running personal projects such as [Ionic and Django Tutorial](https://www.ionicanddjangotutorial.com), [Ionic and Django Kickoff](https://www.ionicanddjangokickoff.com) and [Django Admin Tutorial](https://www.djangoadmintutorials.com/) websites.

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Christophe Surbier a passé presque vingt ans dans les nouvelles technologies, en tant que développeur, manager, responsable technique, pour ensuite se spécialiser dans le développement d’applications iOS en 2008. Il en a réalisé plus de 150 à ce jour.

En 2017, il bascule sur le développement d’applications hybride à l’aide du framework IONIC.

Grâce à ses nombreuses années d’expérience, il possède une vision transversale nécessaire à l’élaboration des applications mobiles.

Un savoir-faire qui prend en compte, dès le départ, les performances.

Il est désormais Consultant/Freelance en développement mobile.

Day 1 : setup and design Backend
- Setup : Software required
  - Python 3
  - Pip
  - Virtualenv
  - Django
- Conception
- Designing models
  - User model
  - Chat models
- Setup database
- Configure Django project
  - Create database tables
- Implement Chat server with Websockets and django channels
  - Adding an index view
  - Adding the channel library
  - Adding the room view
  - Creating a consumer
- Questions / Answers
Create a chat application with Ionic and Django - Series - Part two
Day 2 : Save history of chat messages with Django and Django channel
- Using our Django models with Django channel to implement a chat
- Saving messages to have chat history
- Secure our chat
- Implementing an API with Dango Rest Framework
- Questions / Answers
Create a chat application with Ionic and Django - Series - Part three
Day 3 : Django Rest Framework API
- Questions / Answers
Create a chat application with Ionic 5/ Angular 12/ Capacitor 3 and Django 3 - Series - Part four
Day 4 : Ionic application
- Create our Ionic project skeleton
- Adding a service to dialog with our Backend
- Creating a Register page
  - Adding a form to register
  - Adding a registerUser method in our ApiService file
  - Questions/Answers
Create a chat application with Ionic 5/ Angular 12/ Capacitor 3 and Django 3 - Series - Part five
Day 5 : Registering - Sign in users in our Ionic application
- Updating user profil
  - login method
  - update user method
- Login user
  - Adding methods to deal with User in our APIService
  - Redirect user to login page
- Questions / Answers
Create a chat application with Ionic 5/ Angular 12/ Capacitor 3 and Django 3 - Series - Part six
Day 6 : Improve signin/signup process and application workflow
- Add JWT access token automatically with Angular Http interceptors
- Auto login with Angular guards
  - Cleaning Ionic cache in the browser
- Create and protect our application Home page
- Questions / Answers
Create a chat application with Ionic 5/ Angular 12/ Capacitor 3 and Django 3 - Series - Part seven
Day 7 : Deploy on simulator or mobile device
- Use capacitor to build ios and android application
  - Update Capacitor with latest Ionic code source
  - Running project in simulator or device
- Generate application icons and splashscreen
- Add Splashscreen
- Manage Pause or Resume (Background/Foreground) status
  - Update User based on Foreground/Background state
  - Manage Network events
- Learn to code/debug with hot live reload !
- Questions/Answers
Create a chat application with Ionic 5/ Angular 12/ Capacitor 3 and Django 3 - Series - Part height
Day 8 : Searching users, creating / displaying chats
- Search user
  - SearchUser API in Django
  - Generate Fake user data using Django
  - Search : display user list results
  - Add a button to create a chat
- Create a Chat
  - Create a Chat with Django
  - Implement the chat creation from Ionic
- Displaying chat list
  - Managing Chat API in Django backend
  - Managing chat list in Ionic
- Questions/Answers
Create a chat application with Ionic 5/ Angular 12/ Capacitor 3 and Django 3 - Series - Part Nine
Day 9 : Chatting with a user
- Navigate to the Chat screen
- Creating chat screen design
- Getting messages from Django backend
- Dealing with pagination
- Managing isRead message status
- Chat with a user
- Improve chat by sending geolocation or pictures
  - Dealing with attachment : Geolocation
  - Dealing with attachment : Picture
- Managing user presence with online/offline
  - How to refresh chat list home page with latest message ?
- Questions/Answers
Create a chat application with Ionic 5/ Angular 12/ Capacitor 3 and Django 3 - Series - Part Ten
Day 10
- Deploy backend in the cloud
- Sending notifications
  - Configure Firebase
  - Testing push on Android
  - Testing push on iOS
- Sending push on new message
- Sending messages thru a batch task using Django celery and Redis.
Conclusion

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