Sign In Start Free Trial
Account

Add to playlist

Create a Playlist

Modal Close icon
You need to login to use this feature.
  • Book Overview & Buying Android Programming for Beginners
  • Table Of Contents Toc
  • Feedback & Rating feedback
Android Programming for Beginners

Android Programming for Beginners

By : John Horton, Mayani
4.1 (47)
close
close
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)
close
close
31
Index

The Widget exploration mini app

We just talked about seven widgets. The EditText, ImageView, RadioButton (and RadioGroup), Switch, CheckBox, WebView, and TextClock widgets. Let's make a mini app and do something real with each of them. We will also use Button as well.

Setting up the widget exploration project and UI

First, we will set up a new project and prepare the UI layout. These quick steps will get all the widgets on the screen and set the id properties, ready to grab a reference to them. It will help us to take a look at the target app (as shown in this next figure), which is up and running, before we get started:

Setting up the widget exploration project and UI

Here is how this app will demonstrate these new widgets:

  • The radio buttons will allow the user to change the time displayed on the clock with a choice of three time zones
  • The button on the left side, when clicked, will change its text to whatever is currently in the EditText widget
  • The three checkboxes will add and remove visual effects from the Android robot image
  • Switch...

Unlock full access

Continue reading for free

A Packt free trial gives you instant online access to our library of over 7000 practical eBooks and videos, constantly updated with the latest in tech

Create a Note

Modal Close icon
You need to login to use this feature.
notes
bookmark search playlist download font-size

Change the font size

margin-width

Change margin width

day-mode

Change background colour

Close icon Search
Country selected

Close icon Your notes and bookmarks

Delete Bookmark

Modal Close icon
Are you sure you want to delete it?
Cancel
Yes, Delete

Delete Note

Modal Close icon
Are you sure you want to delete it?
Cancel
Yes, Delete

Edit Note

Modal Close icon
Write a note (max 255 characters)
Cancel
Update Note

Confirmation

Modal Close icon
claim successful

Buy this book with your credits?

Modal Close icon
Are you sure you want to buy this book with one of your credits?
Close
YES, BUY