July 2015
Beginner to intermediate
600 pages
18h 59m
English
book
Android Programming: The Big Nerd Ranch Guide, 2nd Edition
by Bill Phillips, Chris Stewart, Brian Hardy, Kristin Marsicano
Content preview from Android Programming: The Big Nerd Ranch Guide, 2nd Edition
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From Layout XML to View Objects
How do XML elements in activity_quiz.xml become View objects? The answer starts in the QuizActivity class.
When you created the GeoQuiz project, a subclass of Activity named QuizActivity was created for you. The class file for QuizActivity is in the app/java directory of your project. The java directory is where the Java code for your project lives.
In the Project tool window, reveal the contents of the app/java directory and then the contents of the com.bignerdranch.android.geoquiz package. Open the QuizActivity.java file and take a look at its contents (Listing 1.4).
Listing 1.4 Default class file for QuizActivity (QuizActivity.java)
package com.bignerdranch.android.geoquiz; import android.support.v7.app.AppCompatActivity; ...
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O’Reilly covers everything we've got, with content to help us build a world-class technology community, upgrade the capabilities and competencies of our teams, and improve overall team performance as well as their engagement.Julian F.
I wanted to learn C and C++, but it didn't click for me until I picked up an O'Reilly book. When I went on the O’Reilly platform, I was astonished to find all the books there, plus live events and sandboxes so you could play around with the technology.Addison B.
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