Learn Spring for Android Application Development: Build robust Android applications with Kotlin 1.3 and Spring 5

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Overview of Kotlin

Kotlin is the official Android programming language and is statically typed. It is fully interoperable with Java, meaning that any Kotlin user can use the Java framework and mix commands from both Kotlin and Java without any limitations. In this chapter, we will cover the basics of Kotlin and will look at how to set up the environment. We will also look at its flow structures, such as if { ... } else { ... } expressions and loops. In addition to this, we will look into object-oriented programming for Kotlin, and we will cover classes, interfaces, and objects. Functions will also be covered, along with parameters, constructors, and syntax.

This chapter will cover the following topics:

Setting up the environment
Build tools
Basic syntax
Object-oriented programming
Functions
Control flow
Ranges
String templates
Null safety, reflection, and annotations

...

Key benefits

Build native Android applications with Spring for Android

Explore Reactive programming, concurrency, and multithreading paradigms for building fast and efficient applications

Write more expressive and robust code with Kotlin using its coroutines and other latest features

Description

As the new official language for Android, Kotlin is attracting new as well as existing Android developers. As most developers are still working with Java and want to switch to Kotlin, they find a combination of these two appealing. This book addresses this interest by bringing together Spring, a widely used Java SE framework for building enterprise-grade applications, and Kotlin. Learn Spring for Android Application Development will guide you in leveraging some of the powerful modules of the Spring Framework to build lightweight and robust Android apps using Kotlin. You will work with various modules, such as Spring AOP, Dependency Injection, and Inversion of Control, to develop applications with better dependency management. You’ll also explore other modules of the Spring Framework, such as Spring MVC, Spring Boot, and Spring Security. Each chapter has practice exercises at the end for you to assess your learning. By the end of the book, you will be fully equipped to develop Android applications with Spring technologies.

What you will learn

Get to grips with the basics of the Spring Framework

Write web applications using the Spring Framework with Kotlin

Develop Android apps with Kotlin

Connect a RESTful web service with your app using Retrofilt

Understand JDBC, JPA, MySQL for Spring and SQLite Room for Android

Explore Spring Security fundamentals, Basic Authentication, and OAuth2

Delve into Concurrency and Reactive programming using Kotlin

Develop testable applications with Spring and Android

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