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Android Programming for Beginners

Android Programming for Beginners

By : John Horton, Mayani
4.1 (47)
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Android Programming for Beginners

Android Programming for Beginners

4.1 (47)
By: John Horton, Mayani

Overview of this book

Android is the most popular OS in the world. There are millions of devices accessing tens of thousands of applications. It is many people's entry point into the world of technology; it is an operating system for everyone. Despite this, the entry-fee to actually make Android applications is usually a computer science degree, or five years’ worth of Java experience. Android Programming for Beginners will be your companion to create Android applications from scratch—whether you’re looking to start your programming career, make an application for work, be reintroduced to mobile development, or are just looking to program for fun. We will introduce you to all the fundamental concepts of programming in an Android context, from the Java basics to working with the Android API. All examples are created from within Android Studio, the official Android development environment that helps supercharge your application development process. After this crash-course, we’ll dive deeper into Android programming and you’ll learn how to create applications with a professional-standard UI through fragments, make location-aware apps with Google Maps integration, and store your user’s data with SQLite. In addition, you’ll see how to make your apps multilingual, capture images from a device’s camera, and work with graphics, sound, and animations too. By the end of this book, you’ll be ready to start building your own custom applications in Android and Java.
Table of Contents (32 chapters)
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31
Index

Remember that encapsulation thing?


So far, what we have really seen is what amounts to a kind of code-organizing convention; although, we did discuss the wider goals of all this OOP stuff. So, now we will take things further and begin to see how we actually manage to achieve encapsulation with OOP.

Tip

Definition of encapsulation

Encapsulation involves keeping the internal workings of your code safe from interference from the programs that use it, allowing only the variables and methods you choose, to be accessed. This means your code can always be updated, extended, or improved without affecting the programs that use it, as long as the exposed parts are still made available in the same way. It also allows the code that uses your encapsulated code to be much simpler and easier to maintain because much of the complexity of the task is encapsulated in your code.

But didn't you say we don't have to know what is going on inside? So, you might question what we have seen so far, for example, if...

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