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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

Conventions

In this book, you will find a number of text styles that distinguish between different kinds of information. Here are some examples of these styles and an explanation of their meaning.

Code words in text, database table names, folder names, filenames, file extensions, pathnames, dummy URLs, user input, and Twitter handles are shown as follows: "We will see this, perhaps most distinctly, when we look at RelativeLayout later in the chapter."

A block of code is set as follows:

android:layout_below="@+id/textView"

When we wish to draw your attention to a particular part of a code block, the relevant lines or items are set in bold:

<RelativeLayout xmlns:
  android="http://schemas.android.com/apk/res/android"
    xmlns:tools="http://schemas.android.com/tools" 
      android:layout_width="match_parent"
    android:layout_height="match_parent" 
      android:paddingLeft="@dimen/activity_horizontal_margin"
    android:paddingRight="@dimen/activity_horizontal_margin"
    android:paddingTop="@dimen/activity_vertical_margin"
    android:paddingBottom="@dimen/activity_vertical_margin" 
      tools:context=".LayoutExperiments">

</RelativeLayout>

Any command-line input or output is written as follows:

Rambo's health =﹕ 150
Vassily's health =﹕ 50
Wellington's health =﹕ 100
Green Beret﹕ is shooting
Sniper﹕ is shooting
Sailor﹕ is shooting

New terms and important words are shown in bold. Words that you see on the screen, for example, in menus or dialog boxes, appear in the text like this: "As we have already seen, widgets have properties that we can either set in XML or through the Properties window."

Note

Warnings or important notes appear in a box like this.

Tip

Tips and tricks appear like this.

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