Contents
1.2 Android—The World’s Leading Mobile Operating System
1.4.2 Android 2.3 (Gingerbread)
1.4.3 Android 3.0 through 3.2 (Honeycomb)
1.4.4 Android 4.0 through 4.0.4 (Ice Cream Sandwich)
1.4.5 Android 4.1–4.3 (Jelly Bean)
1.4.7 Android 5.0 and 5.1 (Lollipop)
1.5 Downloading Apps from Google Play
1.7 Android Software Development Kit (SDK)
1.8 Object-Oriented Programming: A Quick Refresher
1.8.1 The Automobile as an Object
1.8.5 Messages and Method Calls
1.8.6 Attributes and Instance Variables
1.8.9 Object-Oriented Analysis and Design (OOAD)
1.9 Test-Driving the Tip Calculator App in an Android Virtual Device (AVD)
1.9.1 Opening the Tip Calculator App’s Project in Android Studio
1.9.2 Creating Android Virtual Devices (AVDs)
1.9.3 Running the Tip Calculator App on the Nexus 6 Smartphone AVD
1.9.4 Running the Tip Calculator App on an Android Device
1.10 Building Great Android Apps
1.11 Android Development Resources
Android Studio: Introducing Visual GUI Design, Layouts, Accessibility and Internationalization
2.2.2 LinearLayout, TextView and ImageView
2.2.3 Extensible Markup Language (XML)
2.3.1 Launching Android Studio
2.3.3 Create New Project Dialog
2.3.4 Target Android Devices Step
2.3.5 Add an Activity to Mobile Step
2.3.6 Customize the Activity Step
2.5 Building the App’s GUI with the Layout Editor
2.5.1 Adding an Image to the Project
2.5.3 Changing RelativeLayout to a LinearLayout
2.5.4 Changing the LinearLayout’s id and orientation
2.5.5 Configuring the TextView’s id and text Properties
2.5.6 Configuring the TextView’s textSize Property—Scaled Pixels and Density-Independent Pixels
2.5.7 Setting the TextView’s textColor Property
2.5.8 Setting the TextView’s gravity Property
2.5.9 Setting the TextView’s layout:gravity Property
2.5.10 Setting the TextView’s layout:weight Property
2.5.11 Adding an ImageView to Display the Image
2.7 Making Your App Accessible
2.8 Internationalizing Your App
2.8.2 Naming the Folders for Localized Resources
2.8.3 Adding String Translations to the App’s Project
2.8.5 Testing the App in Spanish on an AVD
2.8.6 Testing the App in Spanish on a Device
2.8.7 TalkBack and Localization
2.8.9 Professional Translation
Introducing GridLayout, EditText, SeekBar, Event Handling, NumberFormat, Customizing the App’s Theme and Defining App Functionality with Java
3.2 Test-Driving the Tip Calculator App
3.3.2 Activity Lifecycle Methods
3.3.3 AppCompat Library and Class AppCompatActivity
3.3.4 Arranging Views with a GridLayout
3.3.6 Formatting Numbers as Locale-Specific Currency and Percentage Strings
3.3.7 Implementing Interface TextWatcher for Handling EditText Text Changes
3.3.8 Implementing Interface OnSeekBarChangeListener for Handling SeekBar Thumb Position Changes
3.3.10 Material Design: Elevation and Shadows
3.3.11 Material Design: Colors
3.3.13 Searching in the Properties Window
3.4.2 Creating the TipCalculator Project
3.4.3 Changing to a GridLayout
3.4.4 Adding the TextViews, EditText and SeekBar
3.5 Default Theme and Customizing Theme Colors
3.5.2 Customizing Theme Colors
3.5.3 Common View Property Values as Styles
3.6.1 package and import Statements
3.6.2 MainActivity Subclass of AppCompatActivity
3.6.3 Class Variables and Instance Variables
3.6.4 Overriding Activity Method onCreate
3.6.5 MainActivity Method calculate
3.6.6 Anonymous Inner Class That Implements Interface OnSeekBarChangeListener
3.6.7 Anonymous Inner Class That Implements Interface TextWatcher
Fragments, Menus, Preferences, Explicit Intents, Handler, AssetManager, Tweened Animations, Animators, Toasts, Color State Lists, Layouts for Multiple Device Orientations, Logging Error Messages for Debugging
4.2 Test-Driving the Flag Quiz App
4.2.1 Configuring the Quiz’s Settings
4.3.3 Fragment Lifecycle Methods
4.3.8 Supporting Different Screen Sizes and Resolutions
4.3.9 Determining the Device Orientation
4.3.10 Toasts for Displaying Messages
4.3.11 Using a Handler to Execute a Runnable in the Future
4.3.12 Applying an Animation to a View
4.3.13 Using ViewAnimationUtils to Create a Circular Reveal Animator
4.3.14 Specifying Colors Based on a View’s State Via a Color State List
4.3.16 Logging Exception Messages
4.3.17 Launching Another Activity Via an Explicit Intent
4.4 Creating the Project, Resource Files and Additional Classes
4.4.2 Blank Activity Template Layouts
4.4.3 Configuring Java SE 7 Support
4.4.4 Adding the Flag Images to the Project
4.4.5 strings.xml and Formatted String Resources
4.4.10 Creating the Flag Shake Animation
4.4.11 preferences.xml for Specifying the App’s Settings
4.4.12 Adding Classes SettingsActivity and SettingsActivityFragment to the Project
4.5.1 content_main.xml Layout for Devices in Portrait Orientation
4.5.2 Designing fragment_main.xml Layout
4.5.3 Graphical Layout Editor Toolbar
4.5.4 content_main.xml Layout for Tablet Landscape Orientation
4.6.1 package Statement and import Statements
4.6.3 Overridden Activity Method onCreate
4.6.4 Overridden Activity Method onStart
4.6.5 Overridden Activity Method onCreateOptionsMenu
4.6.6 Overridden Activity Method onOptionsItemSelected
4.6.7 Anonymous Inner Class That Implements OnSharedPreferenceChangeListener
4.7 MainActivityFragment Class
4.7.1 package and import Statements
4.7.3 Overridden Fragment Method onCreateView
4.7.10 Anonymous Inner Class That Implements OnClickListener
4.9 SettingsActivityFragment Class
2D Graphics, Canvas, Bitmap, Accelerometer, SensorManager, Multitouch Events, MediaStore, Printing, Android 6.0 Permissions, Gradle
5.2 Test-Driving the Doodlz App in an Android Virtual Device (AVD)
5.3.1 Activity and Fragment Lifecycle Methods
5.3.3 Using SensorManager to Listen for Accelerometer Events
5.3.5 Drawing with Canvas, Paint and Bitmap
5.3.6 Processing Multiple Touch Events and Storing Lines in Paths
5.3.8 Printing and the Android Support Library’s PrintHelper Class
5.3.9 New Android 6.0 (Marshmallow) Permissions Model
5.3.10 Adding Dependencies Using the Gradle Build System
5.4 Creating the Project and Resources
5.4.2 Gradle: Adding a Support Library to the Project
5.4.4 Importing the Material Design Icons for the App’s Menu Items
5.4.5 MainActivityFragment Menu
5.4.6 Adding a Permission to AndroidManifest.xml
5.5.1 content_main.xml Layout for MainActivity
5.5.2 fragment_main.xml Layout for MainActivityFragment
5.5.3 fragment_color.xml Layout for ColorDialogFragment
5.5.4 fragment_line_width.xml Layout for LineWidthDialogFragment
5.5.5 Adding Class EraseImageDialogFragment
5.7 MainActivityFragment Class
5.7.1 package Statement, import Statements and Fields
5.7.2 Overridden Fragment Method onCreateView
5.7.3 Methods onResume and enableAccelerometerListening
5.7.4 Methods onPause and disableAccelerometerListening
5.7.5 Anonymous Inner Class for Processing Accelerometer Events
5.7.7 Overridden Fragment Methods onCreateOptionsMenu and onOptionsItemSelected
5.7.9 Overridden Method onRequestPermissionsResult
5.7.10 Methods getDoodleView and setDialogOnScreen
5.8.1 package Statement and import Statements
5.8.2 static and Instance Variables
5.8.4 Overridden View Method onSizeChanged
5.8.5 Methods clear, setDrawingColor, getDrawingColor, setLineWidth and getLineWidth
5.8.6 Overridden View Method onDraw
5.8.7 Overridden View Method onTouchEvent
5.9.1 Overridden DialogFragment Method onCreateDialog
5.9.2 Method getDoodleFragment
5.9.3 Overridden Fragment Lifecycle Methods onAttach and onDetach
5.9.4 Anonymous Inner Class That Responds to the Events of the Alpha, Red, Green and Blue SeekBars
5.10 LineWidthDialogFragment Class
5.10.2 Anonymous Inner Class That Responds to the Events of the widthSeekBar
5.11 EraseImageDialogFragment Class
Manual Frame-By-Frame Animation, Graphics, Sound, Threading, SurfaceView and SurfaceHolder, Immersive Mode and Full-Screen
6.2 Test-Driving the Cannon Game App
6.3.1 Using the Resource Folder res/raw
6.3.2 Activity and Fragment Lifecycle Methods
6.3.3 Overriding View Method onTouchEvent
6.3.4 Adding Sound with SoundPool and AudioManager
6.3.5 Frame-by-Frame Animation with Threads, SurfaceView and SurfaceHolder
6.3.6 Simple Collision Detection
6.4 Building the GUI and Resource Files
6.4.2 Adjusting the Theme to Remove the App Title and App Bar
6.4.5 Adding the Sounds to the App
6.4.6 Adding Class MainActivityFragment
6.4.7 Editing activity_main.xml
6.4.8 Adding the CannonView to fragment_main.xml
6.5 Overview of This App’s Classes
6.6 MainActivity Subclass of Activity
6.7 MainActivityFragment Subclass of Fragment
6.8.1 Instance Variables and Constructor
6.8.2 Methods update, draw, and playSound
6.9 Blocker Subclass of GameElement
6.10 Target Subclass of GameElement
6.11.1 Instance Variables and Constructor
6.11.5 Methods getCannonball and removeCannonball
6.12 Cannonball Subclass of GameElement
6.12.1 Instance Variables and Constructor
6.12.2 Methods getRadius, collidesWith, isOnScreen, and reverseVelocityX
6.13 CannonView Subclass of SurfaceView
6.13.1 package and import Statements
6.13.2 Instance Variables and Constants
6.13.4 Overriding View Method onSizeChanged
6.13.5 Methods getScreenWidth, getScreenHeight, and playSound
6.13.8 Method alignAndFireCannonball
6.13.9 Method showGameOverDialog
6.13.10 Method drawGameElements
6.13.11 Method testForCollisions
6.13.12 Methods stopGame and releaseResources
6.13.13 Implementing the SurfaceHolder.Callback Methods
6.13.14 Overriding View Method onTouchEvent
6.13.15 CannonThread: Using a Thread to Create a Game Loop
6.13.16 Methods hideSystemBars and showSystemBars
REST Web Services, AsyncTask, HttpUrlConnection, Processing JSON Responses, JSONObject, JSONArray, ListView, ArrayAdapter, ViewHolder Pattern, TextInputLayout, FloatingActionButton
7.2 Test-Driving the WeatherViewer App
7.3.2 JavaScript Object Notation (JSON) and the org.json Package
7.3.3 HttpUrlConnection Invoking a REST Web Service
7.3.4 Using AsyncTask to Perform Network Requests Outside the GUI Thread
7.3.5 ListView, ArrayAdapter and the View-Holder Pattern
7.4 Building the App’s GUI and Resource Files
7.5.1 package Statement, import Statements and Instance Variables
7.5.3 Method convertTimeStampToDay
7.6.1 package Statement and import Statements
7.6.3 Instance Variable and Constructor
7.6.4 Overridden ArrayAdapter Method getView
7.6.5 AsyncTask Subclass for Downloading Images in a Separate Thread
7.7.1 package Statement and import Statements
7.7.3 Overridden Activity Method onCreate
7.7.4 Methods dismissKeyboard and createURL
7.7.5 AsyncTask Subclass for Invoking a Web Service
7.7.6 Method convertJSONtoArrayList
SharedPreferences, SharedPreferences.Editor, Implicit Intents, Intent Choosers, RecyclerView, RecyclerView.Adapter, RecyclerView.ViewHolder, RecyclerView.ItemDecoration
8.2.1 Adding a Favorite Search
8.2.2 Viewing Twitter Search Results
8.2.6 Scrolling Through Saved Searches
8.3.1 Storing Key–Value Data in a SharedPreferences File
8.3.2 Implicit Intents and Intent Choosers
8.3.4 RecyclerView.Adapter and RecyclerView.ViewHolder
8.3.5 RecyclerView.ItemDecoration
8.3.6 Displaying a List of Options in an AlertDialog
8.4 Building the App’s GUI and Resource Files
8.4.3 Adding the RecyclerView Library
8.4.8 Adding the Save Button Icon
8.4.11 RecyclerView Item’s Layout: list_item.xml
8.5.1 package and import Statements
8.5.3 Overriden Activity Method onCreate
8.5.4 TextWatcher Event Handler and Method updateSaveFAB
8.5.5 saveButton’s OnClickListener
8.5.7 Anonymous Inner Class That Implements View.OnClickListener to Display Search Results
8.6 SearchesAdapter Subclass of RecyclerView.Adapter
8.6.1 package Statement, import statements, Instance Variables and Constructor
8.6.2 Nested ViewHolder Subclass of RecyclerView.ViewHolder
8.6.3 Overridden RecyclerView.Adapter Methods
8.7 ItemDivider Subclass of RecyclerView.ItemDecoration
8.8 A Note on Fabric: Twitter’s New Mobile Development Platform
FragmentTransactions and the Fragment Back Stack, SQLite, SQLiteDatabase, SQLiteOpenHelper, ContentProvider, ContentResolver, Loader, LoaderManager, Cursor and GUI Styles
9.2 Test-Driving the Address Book App
9.3.1 Displaying Fragments with FragmentTransactions
9.3.2 Communicating Data Between a Fragment and a Host Activity
9.3.3 Manipulating a SQLite Database
9.3.4 ContentProviders and ContentResolvers
9.3.5 Loader and LoaderManager—Asynchronous Database Access
9.3.6 Defining Styles and Applying Them to GUI Components
9.3.7 Specifying a TextView Background
9.4 Building the GUI and Resource Files
9.4.2 Creating the App’s Classes
9.4.8 ContactsFragment’s Layout
9.4.10 AddEditFragment’s Layout
9.5 Overview of This Chapter’s Classes
9.7 AddressBookDatabaseHelper Class
9.8 AddressBookContentProvider Class
9.8.1 AddressBookContentProvider Fields
9.8.2 Overridden Methods onCreate and getType
9.8.4 Overridden Method insert
9.8.5 Overridden Method update
9.8.6 Overridden Method delete
9.9.1 Superclass, Implemented Interfaces and Fields
9.9.2 Overridden Method onCreate
9.9.3 ContactsFragment.ContactsFragmentListener Methods
9.9.5 Method displayAddEditFragment
9.9.6 DetailFragment.DetailFragmentListener Methods
9.9.7 AddEditFragment.AddEditFragmentListener Method
9.10.1 Superclass and Implemented Interface
9.10.2 ContactsFragmentListener
9.10.4 Overridden Fragment Method onCreateView
9.10.5 Overridden Fragment Methods onAttach and onDetach
9.10.6 Overridden Fragment Method onActivityCreated
9.10.7 Method updateContactList
9.10.8 LoaderManager.LoaderCallbacks<Cursor> Methods
9.12.1 Superclass and Implemented Interface
9.12.2 AddEditFragmentListener
9.12.4 Overridden Fragment Methods onAttach, onDetach and onCreateView
9.12.5 TextWatcher nameChangedListener and Method updateSaveButtonFAB
9.12.6 View.OnClickListener saveContactButtonClicked and Method saveContact
9.12.7 LoaderManager.LoaderCallbacks<Cursor> Methods
9.13.1 Superclass and Implemented Interface
9.13.4 Overridden Methods onAttach, onDetach and onCreateView
9.13.5 Overridden Methods onCreateOptionsMenu and onOptionsItemSelected
9.13.6 Method deleteContact and DialogFragment confirmDelete
9.13.7 LoaderManager.LoaderCallback<Cursor> Methods
10 Google Play and App Business Issues
10.2 Preparing Your Apps for Publication
10.2.2 End User License Agreement
10.2.5 Licensing to Control Access to Paid Apps
10.2.7 Getting a Private Key for Digitally Signing Your App
10.2.8 Featured Image and Screenshots
10.3 Pricing Your App: Free or Fee
10.4 Monetizing Apps with In-App Advertising
10.5 Monetizing Apps: Using In-App Billing to Sell Virtual Goods
10.6 Registering at Google Play
10.7 Setting Up a Google Payments Merchant Account
10.8 Uploading Your Apps to Google Play
10.9 Launching Play Store from Within Your App
10.10 Managing Your Apps in Google Play
10.11 Other Android App Marketplaces
10.12 Other Mobile App Platforms and Porting Your Apps
A Introduction to Java Applications
A.2 Your First Program in Java: Printing a Line of Text
A.3 Modifying Your First Java Program
A.4 Displaying Text with printf
A.5 Another Application: Adding Integers
A.8 Decision Making: Equality and Relational Operators
B Introduction to Classes, Objects, Methods and Strings
B.2 Declaring a Class with a Method and Instantiating an Object of a Class
B.3 Declaring a Method with a Parameter
B.4 Instance Variables, set Methods and get Methods
B.5 Primitive Types vs. Reference Types
B.6 Initializing Objects with Constructors
B.7 Floating-Point Numbers and Type double
C.5 if Single-Selection Statement
C.6 if...else Double-Selection Statement
C.7 while Repetition Statement
C.8 Case Study: Counter-Controlled Repetition
C.9 Case Study: Sentinel-Controlled Repetition
C.10 Case Study: Nested Control Statements
C.11 Compound Assignment Operators
C.12 Increment and Decrement Operators
C.14 Essentials of Counter-Controlled Repetition
C.16 Examples Using the for Statement
C.17 do...while Repetition Statement
C.18 switch Multiple-Selection Statement
C.19 break and continue Statements
D.3 static Methods, static Fields and Class Math
D.4 Declaring Methods with Multiple Parameters
D.5 Notes on Declaring and Using Methods
D.6 Method-Call Stack and Activation Records
D.7 Argument Promotion and Casting
D.9 Introduction to Random-Number Generation
D.9.1 Scaling and Shifting of Random Numbers
D.9.2 Random-Number Repeatability for Testing and Debugging
D.10 Case Study: A Game of Chance; Introducing Enumerations
E.3 Declaring and Creating Arrays
E.5 Case Study: Card Shuffling and Dealing Simulation
E.8 Case Study: Class GradeBook Using an Array to Store Grades
E.10 Case Study: Class GradeBook Using a Two-Dimensional Array
E.12 Introduction to Collections and Class ArrayList
F Classes and Objects: A Deeper Look
F.3 Controlling Access to Members
F.4 Referring to the Current Object’s Members with the this Reference
F.5 Time Class Case Study: Overloaded Constructors
F.6 Default and No-Argument Constructors
G Object-Oriented Programming: Inheritance and Polymorphism
G.1 Introduction to Inheritance
G.2 Superclasses and Subclasses
G.4 Relationship between Superclasses and Subclasses
G.4.1 Creating and Using a CommissionEmployee Class
G.4.2 Creating and Using a BasePlusCommissionEmployee Class
G.4.3 Creating a CommissionEmployee–BasePlusCommissionEmployee Inheritance Hierarchy
G.6 Introduction to Polymorphism
G.8 Demonstrating Polymorphic Behavior
G.9 Abstract Classes and Methods
G.10 Case Study: Payroll System Using Polymorphism
G.10.1 Abstract Superclass Employee
G.10.2 Concrete Subclass SalariedEmployee
G.10.3 Concrete Subclass HourlyEmployee
G.10.4 Concrete Subclass CommissionEmployee
G.10.5 Indirect Concrete Subclass BasePlusCommissionEmployee
G.10.6 Polymorphic Processing, Operator instanceof and Downcasting
G.10.7 Summary of the Allowed Assignments Between Superclass and Subclass Variables
G.11 final Methods and Classes
G.12 Case Study: Creating and Using Interfaces
G.12.1 Developing a Payable Hierarchy
G.12.4 Modifying Class Employee to Implement Interface Payable
G.12.5 Modifying Class SalariedEmployee for Use in the Payable Hierarchy
G.12.6 Using Interface Payable to Process Invoices and Employees Polymorphically
G.13 Common Interfaces of the Java API
H Exception Handling: A Deeper Look
H.2 Example: Divide by Zero without Exception Handling
H.3 Example: Handling ArithmeticExceptions and InputMismatchExceptions
H.4 When to Use Exception Handling
H.7 Stack Unwinding and Obtaining Information from an Exception Object
I GUI Components and Event Handling
I.3 Text Fields and an Introduction to Event Handling with Nested Classes
I.4 Common GUI Event Types and Listener Interfaces
I.7 JComboBox; Using an Anonymous Inner Class for Event Handling
J.3 Type-Wrapper Classes for Primitive Types
J.4 Interface Collection and Class Collections
J.5.3 Views into Collections and Arrays Method asList
J.10 Introduction to Files and Streams
J.12 Introduction to Object Serialization
J.13 Introduction to Multithreading
J.14 Creating and Executing Threads with the Executor Framework
J.15 Overview of Thread Synchronization