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Android Programming: The Big Nerd Ranch Guide - download pdf or read online

By Bill Phillips

ISBN-10: 0134171454

ISBN-13: 9780134171456

Android Programming: the large Nerd Ranch Guide: is an introductory Android ebook for programmers with Java adventure. in line with great Nerd Ranch’s well known Android Bootcamp path, this consultant will lead you thru the desolate tract utilizing hands-on instance apps mixed with transparent causes of key options and APIs. This e-book specializes in useful thoughts for constructing apps appropriate with all models of Android general at the present time (Android 2.2 - 4.2). Write and run code each step of how – growing apps that catalog crime scenes, browse pictures, tune your walking course, and extra. each one bankruptcy and app has been designed and proven to supply the data and adventure you must start in Android improvement.

Write and run code each step of how — growing apps that catalog crime scenes, browse photographs, tune your walking course, and extra. every one bankruptcy and app has been designed and proven to supply the data and adventure you want to start in Android improvement.

"Big Nerd Ranch supplied the educational we wanted to get hundreds and hundreds of engineers development skillfully on Android. This booklet is a smart distillation of that education and may be an incredible aid to somebody trying to ramp up as well." – Mike Shaver, Director of cellular Engineering, fb

"…a must-have for the developer simply beginning in Android or prepared for extra complex thoughts. i used to be inspired with this book’s content material and readability of presentation. The authors clarify basic and intricate Android themes with equivalent ease." – James Steele, writer of The Android Developer's Cookbook

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In a more complex project, this array would be created and stored elsewhere. In later apps, you will see better options for storing model data. ) You are going to use mQuestionBank, mCurrentIndex, and the accessor methods in Question to get a parade of questions on screen. First, get a reference for the TextView and set its text to the question at the current index. java) public class QuizActivity extends AppCompatActivity { ... true_button); ... Save your files and check for any errors. Then run GeoQuiz.

2. 11 Hierarchical layout of widgets and attributes The root element of this layout’s view hierarchy is a LinearLayout. com/ LinearLayout must apk/res/android. LinearLayout inherits from a subclass of View named ViewGroup. A ViewGroup is a widget that contains and arranges other widgets. You use a LinearLayout when you want widgets arranged in a single column or row. Other ViewGroup subclasses are FrameLayout, TableLayout, and RelativeLayout. When a widget is contained by a ViewGroup, that widget is said to be a child of the ViewGroup.

Java, add the following code to onCreate(…) just after the variable assignment. java) ... OnClickListener() { @Override public void onClick(View v) { // Does nothing yet, but soon! 9, you set a listener to inform you when the Button known as mTrueButton has been pressed. The setOnClickListener(OnClickListener) method takes a listener as its argument. In particular, it takes an object that implements OnClickListener. Using anonymous inner classes This listener is implemented as an anonymous inner class.

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Android Programming: The Big Nerd Ranch Guide by Bill Phillips


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