Android Programming: The Big Nerd Ranch Guide (2nd Edition) by Bill Phillips, Chris Stewart, Brian Hardy, Kristin Marsicano

By Bill Phillips, Chris Stewart, Brian Hardy, Kristin Marsicano

Android Programming: the large Nerd Ranch consultant is an introductory Android booklet for programmers with Java experience.
Based on monstrous Nerd Ranch's renowned Android Bootcamp direction, this consultant will lead you thru the desolate tract utilizing hands-on instance apps mixed with transparent factors of key options and APIs. This e-book makes a speciality of useful ideas for constructing apps suitable with Android 4.1 (Jelly Bean) and up, together with insurance of Lollipop and fabric design.

Write and run code each step of how, growing apps that combine with different Android apps, obtain and exhibit images from the net, play sounds, and extra. each one bankruptcy and app has been designed and proven to supply the information and event you must start in Android development.

Big Nerd Ranch makes a speciality of constructing and designing cutting edge functions for consumers around the globe. Our specialists educate others via our books, bootcamps, and onsite education. no matter if it's Android, iOS, Ruby and Ruby on Rails, Cocoa, Mac OS X, JavaScript, HTML5 or UX/UI, we've bought you lined.

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Additional resources for Android Programming: The Big Nerd Ranch Guide (2nd Edition)

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You should see the first question in the array appear in the TextView. Now let’s see about the Next button. First, get a reference to the button. OnClickListener on it. This listener will increment the index and update the TextView’s text. java) public class QuizActivity extends AppCompatActivity { ... setText(question); ... show(); } }); } ... setText(question); } }); You now have code in two separate places that updates the mQuestionTextView variable. 9. Then call that method in the mNextButton’s listener and at the end of onCreate(Bundle) to initially set the text in the activity’s view.

First, let’s take a look at how the pieces of GeoQuiz will work together. You are going to have QuizActivity create an array of Question objects. It will then interact with the TextView and the three Buttons to display questions and provide feedback. 4 diagrams these relationships. 4 are separated into three sections labeled Model, Controller, and View. Android applications are designed around an architecture called Model-View-Controller, or MVC for short. In MVC, all objects in your application must be a model object, a view object, or a controller object.

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.

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