Book Image

Android Programming for Beginners

By : John Horton, Paresh Mayani
Book Image

Android Programming for Beginners

By: John Horton, Paresh 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 (37 chapters)
Android Programming for Beginners
Credits
About the Author
About the Reviewers
www.PacktPub.com
Preface
Index

Where it's snap – coding the capture Fragment


Now we can add the capture functionality to the Where it's snap app. We will implement the functionality of capturing an image from the camera as well as allow the user to add a title and tags for the image. We will not, however, add any functionality to save any of this data, as you will first want to learn about databases before we do.

In preparation to save the data, however, we will meet the Android Uri and File classes, which allow us to identify and locate the photos that the user captures.

The completed app, as it is at the end of this chapter, can be found in Chapter 22/Where Its Snap 2.

We will first add a layout that CaptureFragment will use, and we will then add some code, some of which should look fairly familiar by now, in order to capture an image. The next two chapters will then look at databases to save and show all our data.

Creating the layout for the capture Fragment

You can add all the String resources and id properties manually...