3 - Kotlin Android Tutorial | Domain, Use Case (Interactor), Companion Object, Clean Architecture

preview_player
Показать описание
Enjoy my teaching style? Looking for a comprehensive introduction to Kotlin, Android, and Programming in general? If so, consider picking up my introductory course to Programming Fundamentals with Kotlin and Android on Udemy; I don't think you'll be disappointed:

Welcome to part 3 of my Kotlin Android Tutorial. In this lesson, we design a domain layer to describe what our application needs to do (Use Cases), and what kind of information it needs to represent (Domain Model). Other topics include Kotlin Companion Objects, RxJava 2, and error handling.

Timestamps:
0:00 Intro
1:30 Describing the Problem Domain/Statement of a Calculator
3:00 The Architecture and Purpose of a Use Case (Interactor)
5:02 Writing a Data Model (bonus: Static Factory Methods in Kotlin)
9:30 Making a Scheduler Interface (necessary for being able to execute RxJava code in JVM based Unit Tests)
12:32 Coding our EvaluateExpression Use Case
24:09 Adding some Exception Handling
27:30 Summary and Outro

Livestream link:

  1. Ryan Michael Kay
  2. Kotlin Android Tutorial
  3. Android MVP Tutorial
  4. Kotlin MVP Tutorial
  5. Kotlin Android
  6. Kotlin Tutorial
Рекомендации по теме
Kotlin & Android 9:25:41

Kotlin & Android 12 Tutorial | Learn How to Build an Android App 📱 9+ h FREE Development Masterc...

#3 Kotlin Tutorial 0:05:48

#3 Kotlin Tutorial | IntelliJ | Android Studio 3

3 Clean Code 0:12:30

3 Clean Code Hacks I Bet You Didn't Know (Kotlin & Android)

Android Development(Kotlin) Full 11:56:54

Android Development(Kotlin) Full Course For Beginners 2023 | 12 Hour Comprehensive Tutorial For Free

Kotlin Course - 2:38:31

Kotlin Course - Tutorial for Beginners

Build and Publish 4:25:57

Build and Publish an Android App - Full Course with Kotlin

Make Your First 0:09:26

Make Your First Simple Android App with Kotlin (Android Kotlin Tutorial for Beginners)

Learn Kotlin Programming 13:18:56

Learn Kotlin Programming – Full Course for Beginners

What is Coroutine 0:14:06

What is Coroutine in Kotlin? - Kotlin Coroutines Tutorial in Hindi

Android App mit 1:01:18

Android App mit Kotlin erstellen in 60 Minuten - Tutorial Deutsch

Android Development Course 3:24:55

Android Development Course - Build Native Apps with Kotlin Tutorial

Kotlin Android Tutorial 0:08:48

Kotlin Android Tutorial for Beginners - #3 Variables

Learn Kotlin in 0:12:01

Learn Kotlin in 12 Minutes

What If You 7:40:07

What If You Could Build a Professional Android App in Just 7 Hours?

Build A Simple 1:11:41

Build A Simple Android App With Kotlin

Android Tutorial (Kotlin) 0:07:09

Android Tutorial (Kotlin) - 30 - SQLite Database Creation and Insertion

Android Development Full 7:39:56

Android Development Full Course 2023 | Kotlin Tutorial | Complete Tutorial with Projects | @SCALER

Android Studio Kotlin 0:06:51

Android Studio Kotlin Tutorial - Part 3

Efficient Development of 0:01:32

Efficient Development of iOS/Android Apps with Kotlin & Jetpack Compose

How to Build 0:46:13

How to Build a Clean Architecture GraphQL App With Kotlin - Android Studio Tutorial

Kotlin & Android 9:56:21

Kotlin & Android Development Course: Build a Quiz Application

Full Guide to 0:18:10

Full Guide to Delegation in Kotlin - Android Studio Tutorial

Kotlin Programming Full 5:57:47

Kotlin Programming Full Tutorial with Android Development Project | Android Studio | @SCALER

Android kotlin tutorial 0:06:56

Android kotlin tutorial #3 get and set Text in Inputs

Комментарии
Автор

17:43 where he gets angry for a couple of seconds!!

csabii
Автор

In a complex case, like when a user clicked the Add file button and in this after getting a uri from result where should we check whether that file exist? In viewmodel or in datasource.

bagadeshkumarr
Автор

Good job, Ryan, seems like I'm lagging behind the time, I used to write the business logic in my viewModel and Repository and I was so wrong that when I realized it should be part of useCase I have multiple methods in same useCase, however this video have cleared lots of doubts I had, thanks again.

AjayDewari
Автор

I wanna to ask, can i save a value to usecase ? It mean i declare global var to save value in usecase

billyanderson
Автор

Great job! Can't wait for another episode!

wiktorkalinowski
Автор

Had some confusion, you cleared it up, Thank you very much. <3

hiteshchalise
Автор

Nice video. i have a question. Does CalculatorExpression belong to model?

apptest
Автор

Now that I leveled up, I can finally understand the graphs and the need for use cases lol

Monarch_
Автор

U r champ..
Amazing series... looking forward..

bjugdbjk
Автор

Thanks for your videos, it helps me a lot...

juanesdev