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Android Architecture & Architecture Components

The Weather App

This repository contains the following projects:

• weatherapp - A cool Android Weather App

Package structure

This project contains the following packages:

• model- The weather model
• view - the views of the app
• repository - weather data repository components
• data - contains the datasource of the app (remote web services, database ...)
• util - util classes & extensions
• di - Koin dependency injection definitions

Views

The app is composed of 3 view:

• splash - the first screen of the app, that load last weather or default weather
• weather - main screen of the app, displaying weather of the day and next days for the given location
• detail - display one weather data day, choosen from weather view

Tests

Yes we have some tests :)

• Unit tests in test folder, contains Presenter/ViewModel mock tests
• Android instrumented in androidTest folder, will be used for Room part

Workshop exercices

Follow carefully each exercice and read each step. TODO sections will contains what you will have to do in each part.

Git steps & tags

git history to follow steps ...

Prepare your environment

Checkout the first step and synchronize your project to download all needed dependencies ...

Part 1: From MVP to MVVM with Architecture Components

Migrate our MVP architectured app to MVVM with Android Architecture Components

Steps

• 1.0 - Preparing
• 1.1 - First ViewModel & LiveData with Weather Detail View
• 1.2 - ViewModel & Events with the Splash View
• 1.3 - Shared ViewModel between Activity/Fragments, with the Weather View

Part 2: Add database persistence with Room

Make the weather app fully persistent using the Android Architecture Room API

Steps

• 2.1 - The weather entity
• 2.2 - Writing the Weather DAO and setup Room database
• 2.3 - Update the weather repository and run