C#のXamarin. FormsをPrismを使ってMVVMで実装する方法

via Udemy

Go to Course: https://www.udemy.com/course/peacock-xamarin-prism/

Introduction

Certainly! Here is a comprehensive review and recommendation for the Coursera course titled "C#のXamarin. FormsをPrismを使ってMVVMで実装する方法": --- **Course Review: "C#のXamarin. FormsをPrismを使ってMVVMで実装する方法"** This course offers an in-depth exploration of developing cross-platform mobile applications using Xamarin.Forms, with a focus on implementing the MVVM architecture pattern utilizing Prism. It is designed for programmers familiar with C# who seek to expand their skills into mobile app development, particularly for Android and UWP platforms. **Overview and Content** The course introduces Xamarin.Forms as a versatile development environment that allows you to build applications for Android, iOS, and Windows with a single shared codebase primarily written in C#. It emphasizes the importance of adopting the MVVM (Model-View-ViewModel) pattern, which is highly recommended for modern C# development to facilitate easier testing and maintenance. A key feature of this course is the instruction on using Prism, a powerful framework that simplifies the implementation of MVVM in Xamarin.Forms applications. The curriculum covers essential topics such as installing Prism, understanding device-specific behaviors, separating Views and ViewModels, data binding techniques, handling navigation, passing parameters, and displaying messages. There is also a practical segment on using device functionalities like the camera, demonstrating real-world application development. **Strengths** - **Focused Content on MVVM and Prism:** The course provides clear explanations on why MVVM is the optimal architecture for testability and maintainability, along with practical steps to implement it using Prism. - **Hands-On Approach:** With sample code and demonstrations primarily on Android and UWP devices, students can learn actionable techniques through real-world examples. - **Comprehensive Topics:** From basic setup, data binding, and navigation to advanced topics like handling device-specific logic and incorporating camera features, the course covers a broad range of essential skills. - **Resource Availability:** Instructions include details on setting up Visual Studio, ensuring students are well-prepared to follow along. **Limitations** - The course does not cover Xamarin.Forms basics or iOS implementation details, so students interested in those areas should seek additional resources. - No comprehensive syllabus is provided, which might make it harder for some learners to see the entire scope at a glance. **Who Should Take This Course** This course is ideal for C# developers new to mobile development, or those who have some experience but want to learn how to build robust, testable cross-platform apps using Xamarin.Forms and Prism. It is particularly suitable for developers focused on Android and UWP platforms. --- **Recommendations** I highly recommend this course for developers eager to adopt MVVM architecture in Xamarin.Forms applications. Its practical approach towards using Prism to facilitate architecture best practices makes it a valuable resource. However, beginners should supplement their learning with additional tutorials on Xamarin.Forms fundamentals and iOS development, as these are not covered here. By completing this course, you'll gain the skills needed to develop reliable, maintainable, and testable mobile applications across multiple platforms, leveraging the power of C# and modern development patterns. --- **Final Verdict:** **Highly recommended for intermediate C# developers keen on mobile app architecture and cross-platform development.** --- If you'd like, I can also help you find additional resources or tutorials to complement this course!

Overview

Xamarin.FormsというのはAndroid,iOS,Windowsで動作するプログラムを1つのプログラムで動作させることのできる開発環境です。プログラムコードは基本的にはC#で記述します。PrismはXamarin.FormsをMVVMというアーキテクチャーで実装するために用いるMVVMの支援ツールです。このツールを使うと,MVVMの実装が簡単にできるようになります。C#を普段使っている人なら,スマホアプリを開発する手段としてはこのXamarin.Formsが最適です。さらに,実装パターンはMVVMで作るのが,現在のC#プログラミングの推奨パターンであり,バグのないプログラミングには欠かせない,最高の選択といえます。なぜMVVMが最適かというと,それはテストコードが書きやすくなるからです。現在のプログラミングはテストコードを書きながら行うのが常識でそのテストコードを書きやすくしてくれているのが,MVVMという考え方です。今回は,そのMVVMを簡単に書くことができるツールであるPrismを使った実装方法を解説していきます。Xamarin.Formsの基本的な実装や,Andoroid等に接続する方法は本コースでは解説していません。それに関しては他のコース等で学習してください。また,サンプルや実演はすべてAndoroidとUWPで行っています。iOSの実演はありません。VisualStudioはマイクロソフトのサイトから,無料版等をインストールしておいてください。#01 Prismのインストール#02_各デバイスでの起動確認#03_Prismの構成#04_ViewとViewModelを分ける理由#05_ラベルのデータバインディング#06_ボタンのデータバインディング#07_ViewModelに対してテストコードを書く方法#08_画面遷移#09_リテラル文字の対応#10_引数のある画面遷移#11_パラメーターのリテラル文字対応#12_メッセージを表示する方法#13_デバイスごとに処理を切り替える方法Xamarin.Formsでカメラを使う方法#01_Xamarin.Formsでカメラを使う方法#02_Nugetからツールの取得#03_Readmeに従って設定する#04_実装

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