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Mobile DevOps
Mobile DevOps

Mobile DevOps: Deliver continuous integration and deployment within your mobile applications

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Mobile DevOps

Working with Code Repository Systems

In the last chapter, we learned what DevOps means for the application development life cycle, and the key differences between DevOps and mobile DevOps, while also exploring the challenges faced in applying DevOps to the mobile app development cycle.

In this chapter, we will be exploring code repository systems, as the title of the chapter suggests. We will discuss various versioning tools available and focus mainly on Git to get into detailed steps for source versioning and we'll be using that as our code repository in examples throughout the book.

Some of the topics covered in this chapter are as follows:

  • Varieties of version control
  • Source code management
  • Using Git to create a repository for your project
  • Creating an account with GitHub
  • Managing users and groups
  • Configuring SSH keys

Source code management

In the mobile DevOps life cycle, one of the first phases is application development. Coding is one of the most important parts of the development life cycle, and managing that code is even more important in the long term.

When developers are continuously coding an application, managing that code becomes troublesome if not done properly. As the development progresses, code merges are more frequent and, with time, the development team grows quickly and more people need to integrate code with other developers.

Source code management becomes tricky and a very important part to focus on in order to ensure seamless development and code integration.

Need for source code management

Let's take a real-world...

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

As we described earlier, repositories are a place to manage and share your project code. Git allows you to create public or private repositories. Public repositories are open for everybody, but you can include a license file that explains how you want the project to be shared with others.

Follow these steps to create a repository on GitHub:

  1. Open a web browser, go to https://github.com/, and sign up for a new account by providing a username for your account and your email and password. You can skip this step if you already have an account on GitHub:
  1. Once the signup is done, go to https://github.com/login and sign in to your newly created account on GitHub:
  1. Once signed in, in the upper-right corner of the page, click + and then click New repository, as shown in the following screenshot:
  1. On the next screen...

Managing organization users and teams

Organizations are a combination of multiple shared accounts and private repositories. Owners or administrators can manage access to the organization's data and projects.

Creating an organization and inviting users to join

Follow these steps to create your organization account on GitHub and invite users to join your organization on GitHub:

  1. Log in to your GitHub account by going to https://github.com/login.
  2. Once logged in, click on your profile photo, then click Your profile as shown in the following screenshot:
  1. On the next screen, click on the Edit profile button:
  1. From the left side of your page, under Personal settings, click on Organizations. Then, click on the New organization...

Installing Git on different servers

In this topic, we'll be discussing how to install Git on different operating systems including Windows, Linux, and Ubuntu.

Installing Git on Windows

Installing Git on Windows is as simple as installing any GUI-based application. Follow the steps to install Git on Windows:

  1. To download the latest Git for Windows installer, go to https://git-scm.com/downloads. Select Windows and the download will start:
  1. Once downloaded, start the installer file.
  2. The next screen will ask you to accept the license. Click Next.
  3. Provide the path for the Git installation; you can leave the default path as-is if you like and click Next.
  1. The next screen is where you select how you would like to use Git...

Configuring SSH keys

To configure and set up SSH keys for your GitHub account, follow these steps:

  1. Check whether you already have an ssh key pair.
  2. Open Git Bash and enter ls -al ~/.ssh to see whether existing SSH keys are present:
$ ls -al ~/.ssh  
  1. The public key consists of the .pub extension. Create a new key pair (skip this step if you already have a key pair).
  2. Open Git Bash and paste in the following text, substituting your GitHub email address for the one shown:
$ ssh-keygen -t rsa -b 4096 -C [email protected]  
  1. When you're prompted to Enter a file in which to save the key, press the Enter button to accept the default file location mentioned:
  1. When prompted, type a secure passphrase (recommended), or press Enter to continue without a passphrase:
  1. The entire setup will look as shown in the following screenshot:
  1. Add the newly created SSH keys into ssh...

Summary

In this chapter, we learned about different version control systems and source code management in detail. We also delved into using Git to create a repository and manage teams and organizations. In the next chapter, you'll be introduced to cross-platform application development using Xamarin and using Visual Studio for development.

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Key benefits

  • ?Efficiently deliver continuous integration and deployment within all the stages of your application's lifecycle
  • ?Learn to implement mobile DevOps with Xamarin and Visual Studio
  • ?Deliver high quality and performing mobile applications

Description

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.

Who is this book for?

If you are a programmer and developer who wants to increase the efficiency and scalability of your mobile application with the implementation of DevOps, then this book is for you. You need basic experience of the application process development.

What you will learn

  • ?Become fluent with the basic components of Mobile Devops
  • ?Find out how to use code repositories and install Git on an EC2 server and manage users and groups
  • ?Set up an Android device for development and install Visual Studio and Xamarin on Windows
  • ?Create an Android project and UI for applications
  • ?Add permissions to Android Manifest
  • ?Write tests with Xamarin. UI and test using test cloud to check it on multiple devices
  • ?Monitor and optimize the application using the Android monitoring tool
  • ?Debug the mobile application and improve its efficiency
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Publication date, Length, Edition, Language, ISBN-13
Publication date : Mar 29, 2018
Length: 376 pages
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Language : English
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Length: 376 pages
Edition : 1st
Language : English
ISBN-13 : 9781788296243
Vendor :
Microsoft
Languages :

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Table of Contents

12 Chapters
Introduction Chevron down icon Chevron up icon
Working with Code Repository Systems Chevron down icon Chevron up icon
Cross-Platform Mobile App Development with Xamarin Chevron down icon Chevron up icon
Writing Your First Android Application with Xamarin Chevron down icon Chevron up icon
Implementing Automatic Testing Using Xamarin Chevron down icon Chevron up icon
Configuring TeamCity for CI/CD with Xamarin Chevron down icon Chevron up icon
CI/CD for Android with Visual Studio Team Services Chevron down icon Chevron up icon
Deploying Applications on AWS Chevron down icon Chevron up icon
Monitoring and Optimizing Application Chevron down icon Chevron up icon
Debugging the Application Chevron down icon Chevron up icon
Case Studies Chevron down icon Chevron up icon
Other Books You May Enjoy Chevron down icon Chevron up icon

Customer reviews

Rating distribution
Full star icon Full star icon Full star icon Half star icon Empty star icon 3.5
(2 Ratings)
5 star 50%
4 star 0%
3 star 0%
2 star 50%
1 star 0%
Karthik p kulkarni May 28, 2018
Full star icon Full star icon Full star icon Full star icon Full star icon 5
Very helpful. Must have book for learning and perfecting devops with mobile development. Looking forward for subsequent releases.
Amazon Verified review Amazon
Clint May 07, 2018
Full star icon Full star icon Empty star icon Empty star icon Empty star icon 2
I thought this book would be better for the more advanced programmer but this book is best for the beginner
Amazon Verified review Amazon
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