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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

Exploring Android UI design

We will see with Android UI design that so much of what we learn is context sensitive. The way that a given widget's x property will influence its appearance might depend on a widget's y property. It probably isn't possible to learn this verbatim. It is most likely best to expect to gradually get better and faster results with practice.

For example, if you play with the designer by dragging and dropping widgets onto the design, the XML code that is generated will vary quite extensively depending upon which layout type you are using. This is because different layout types use different means to determine the position of their children. We will see this, perhaps most distinctly, when we look at RelativeLayout later in the chapter.

This information might initially seem like a problem, or a bad idea, and it certainly is a little awkward at first. What we will grow to learn, however, is that this apparent abundance of layout options and their individual...

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