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Android Programming for Beginners

Android Programming for Beginners

By : John Horton
3.8 (13)
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Android Programming for Beginners

Android Programming for Beginners

3.8 (13)
By: John Horton

Overview of this book

Are you trying to start a career in programming, but haven't found the right way in? Do you have a great idea for an app, but don't know how to make it a reality? Or maybe you're just frustrated that in order to learn Android, you must know Java. If so, then this book is for you. This new and expanded second edition of Android Programming for Beginners will be your companion to create Android Pie applications from scratch. We will introduce you to all the fundamental concepts of programming in an Android context, from the basics of Java to working with the Android API. All examples use the up-to-date API classes, and 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 and store your user's data with SQLite. In addition, you'll see how to make your apps multilingual, draw to the screen with a finger, 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 (33 chapters)
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32
Index

Summary

In this chapter, we looked at how to use simple Java arrays to store substantial amounts of data, provided it is of the same type. We also used ArrayList, which is like an array with loads of extra features. Furthermore, we found out that both arrays and ArrayList are polymorphic, which means that a single array (or ArrayList) can hold multiple different objects, as long as they are all derived from the same parent class.

We also learned about the HashMap class, which is also a data storage solution, but which allows access in different ways.

In the next chapter, we will learn about Adapter and RecyclerView to put our theory into practice and enhance our Note to Self app.

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