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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

Building a UI with CardView and ScrollView


Create a new project in the usual way. Name the project CardView Layout. Leave the Target Android Devices section on the default settings and choose the Empty Activity project template. On the Configure Activity screen, uncheck the option to Generate Layout File because we will handle that ourselves. The activity name can be left as the default of MainActivity. The following screenshot shows these final settings:

To be able to edit our theme and properly test the result, we need to generate our layout file and edit the Java code to display it by calling the setContentView method from the onCreate method. We will design our CardView masterpiece inside a ScrollView layout, which, as the name suggests, allows the user to scroll through the content of the layout.

Expand the folders in the project explorer window so you can see the res folder. Expand the res folder and you will notice that there is no layout folder. It is perfectly possible to build an...

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