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Table Of Contents

Mobile DevOps

By : Tak, Modi

3.5 (2)

Buy this Book

Mobile DevOps

3.5 (2)

By: Tak, Modi

Buy this Book

Overview of this book

Today's world is all about perfection, and there are hundreds of applications that are released each day out of which only a few succeed. Making sure that the app looks, performs, and behaves as expected is one of the biggest challenge developers face today. The main goal of this book is to teach developers to implement DevOps to build, test, and deliver. This book will teach you to implement Mobile DevOps at every stage of your application's lifecycle with Visual Studio and Xamarin Mobile Lifecycle solutions. Later, it will also show you how to leverage Mobile Center's continuous integration and automated testing to develop a high-quality applications. Next, you’ll see how to mobilize your on-premises data to the cloud and increase your productivity with code reuse. Finally, you’ll discover how to find and fix bugs beforehand, improving the efficiency of your application while it is being developed. By the end of this book, you will be well-versed with Mobile DevOps techniques, delivering high quality and high performance mobile apps.

Preface

Who this book is for

What this book covers

To get the most out of this book

Get in touch

Free Chapter

Introduction

Introduction to DevOps

Introduction to mobile DevOps

DevOps versus mobile DevOps

Challenges of applying DevOps to mobiles

Summary

Working with Code Repository Systems

Source code management

Creating an account with GitHub and using Git to create a repository

Managing organization users and teams

Installing Git on different servers

Configuring SSH keys

Summary

Cross-Platform Mobile App Development with Xamarin

History of Xamarin

Why you should learn Xamarin

Installing Visual Studio and Xamarin on Windows

Setting up our Android Virtual Device for development

Summary

Writing Your First Android Application with Xamarin

Create your first Android project

Xamarin solution structure

Creating the UI for the application

Handling user interactions

Adding permissions to Android Manifest

Adding an icon for the Android app

Testing user interaction

Application fundamentals

Android APIs

Resources

Understanding Activities

Activity class

Deploying an application on a mobile device

Enable debugging on the device

Install USB drivers

Connect the device to a computer

Pushing code to a Git repository

Summary

Implementing Automatic Testing Using Xamarin

Understanding the importance of automation testing in the DevOps cycle

Testing a mobile application

Writing tests with Xamarin.UITest

Recall the application code

Steps to include in the test

Using Xamarin Test Cloud to test on multiple devices

Creating users and organizations on Test Cloud

Creating a test run for your application

Summary

Configuring TeamCity for CI/CD with Xamarin

Introduction to continuous integration

Using TeamCity with Xamarin for CI/CD

Preparing the build server

Creating a build script

Installing and configuring TeamCity

Summary

CI/CD for Android with Visual Studio Team Services

Creating an account in Visual Studio

Getting the code from GitHub

Creating the build definition

Configuring the build definition

Queue build

Triggers - build with every commit

Summary

Deploying Applications on AWS

Creation of an instance

Creating an Elastic Load Balancer, launch configuration, and Auto Scaling Groups

IAM roles

Summary

Monitoring and Optimizing Application

API level monitoring

Various tools for API monitoring

Using Test Cloud for monitoring

Using Android monitoring tools

Summary

Debugging the Application

Terminology

Debugging with Xamarin on Visual Studio

Debugging Mono class libraries

Android debug log

Debugging Git connections

Summary

Case Studies

Case study 1 - Hello World GUI

Case study 2 - ButtonWidget

Summary

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Adding an icon for the Android app

App permissions are set and it's ready to run, so let's add an icon for our app:

Download an icon file that you like and that best suits your phone call app.
Go to Solution Explorer and add the downloaded file to the drawable folder under Resources.

Right-click on drawable | Add | Existing Item, as shown in the following screenshot:

A File Explorer window will open. Navigate to the icon file location, select the icon file, and click Add:

The icon should now be added to the drawable folder of the project:

Rename the icon file to icon.png by right-clicking on the file and then clicking Rename:

After renaming the file, rebuild the project like we did in the previous steps.
Once the rebuild is done successfully, let's add the icon to the application's Manifest file.
Double-click on Properties from Solution Explorer...