1.1. Introduction
by Abbey Deitel, Harvey Deitel, Paul Deitel
Android™ How to Program, Second Edition
- Pedagogic Features
- Software Used in Android How to Program, 2/e
- Instructor Resources
- Before You Begin
- Acknowledgments
- About the Authors
- Deitel® Dive-Into® Series Programming Languages Training
- Before You Begin
- Font and Naming Conventions
- Installing the Java Development Kit (JDK)
- Android Integrated Development Environment (IDE) Options
- Installing the Android SDK/ADT Bundle
- Installing Android Studio
- Set the Java Compiler Compliance Level and Show Line Numbers
- Android 4.3 SDK
- Creating Android Virtual Devices (AVDs)
- (Optional) Setting Up an Android Device for Development
- A Note Regarding the Android Development Tools
- 1. Introduction to Android
- 1.8. Object-Oriented Programming: A Quick Refresher
- 1.9. Test-Driving the Doodlz App in an Android Virtual Device (AVD)
- 1.10. Building Great Android Apps
- 1.11. Android Development Resources
- 1.12. Wrap-Up
- 2. Welcome App
- 3. Tip Calculator App
- 3.1. Introduction
- 3.2. Test-Driving the Tip Calculator App
- 3.3.1. Class Activity
- 3.3.2. Activity Lifecycle Methods
- 3.3.3. Arranging Views with LinearLayout and GridLayout
- 3.3.4. Creating and Customizing the GUI with the Graphical Layout Editor and the Outline and Properties Windows
- 3.3.5. Formatting Numbers as Locale-Specific Currency and Percentage Strings
- 3.3.6. Implementing Interface TextWatcher for Handling EditText Text Changes
- 3.3.7. Implementing Interface OnSeekBarChangeListener for Handling SeekBar Thumb Position Changes
- 3.3.8. AndroidManifest.xml
- 3.4. Building the App’s GUI
- 3.5. Adding Functionality to the App
- The package and import Statements
- Tip Calculator App Activity and the Activity Lifecycle
- Class Variables and Instance Variables
- Overriding Method onCreate of Class Activity
- onCreate’s Bundle Parameter
- Generated R Class Contains Resource IDs
- Getting References to the Widgets
- Displaying Initial Values in the TextViews
- Registering the Event Listeners
- Method updateStandard of Class MainActivity
- Method updateCustom of Class MainActivity
- Overriding Method onProgressChanged of Interface OnSeekBarChangeListener
- Overriding Methods onStartTrackingTouch and onStopTrackingTouch of Interface OnSeekBarChangeListener
- Anonymous Inner Class That Implements Interface TextWatcher
- Overriding Method onTextChanged of Interface TextWatcher
- Other Methods of the amountEditTextWatcher TextWatcher
- 3.6. AndroidManifest.xml
- 3.7. Wrap-Up
- 4. Twitter® Searches App
- 4.1. Introduction
- 4.2. Test-Driving the App
- 4.3. Technologies Overview
- 4.4. Building the App’s GUI
- 4.5. Building the MainActivity Class
- 4.5.1. package and import Statements
- 4.5.2. Extending ListActivity
- 4.5.3. Fields of Class MainActivity
- 4.5.5. Anonymous Inner Class That Implements the saveButton’s OnClickListener to Save a New or Updated Search
- 4.5.6. addTaggedSearch Method
- 4.5.7. Anonymous Inner Class That Implements the ListView’s OnItemClickListener to Display Search Results
- 4.5.8. Anonymous Inner Class That Implements the ListView’s OnItemLongClickListener to Share, Edit or Delete a Search
- 4.5.9. shareSearch Method
- 4.5.10. deleteSearch Method
- 4.6. AndroidManifest.xml
- 4.7. Wrap-Up
- 5. Flag Quiz App
- 5.1. Introduction
- 5.2. Test-Driving the Flag Quiz App
- 5.3. Technologies Overview
- 5.3.1. Menus
- 5.3.2. Fragments
- 5.3.4. Managing Fragments
- 5.3.5. Preferences
- 5.3.7. Resource Folders
- 5.3.8. Supporting Different Screen Sizes and Resolutions
- 5.3.9. Determining the Screen Size
- 5.3.11. Using a Handler to Execute a Runnable in the Future
- 5.3.12. Applying an Animation to a View
- 5.3.13. Logging Exception Messages
- 5.3.15. Java Data Structures
- 5.4. Building the GUI and Resource Files
- 5.4.1. Creating the Project
- 5.4.2. strings.xml and Formatted String Resources
- 5.4.3. arrays.xml
- 5.4.5. dimens.xml
- 5.4.6. activity_settings.xml Layout
- 5.4.7. activity_main.xml Layout for Phone and Tablet Portrait Orientation
- 5.4.8. fragment_quiz.xml Layout
- 5.4.9. activity_main.xml Layout for Tablet Landscape Orientation
- 5.4.10. preferences.xml for Specifying the App’s Settings
- 5.4.11. Creating the Flag Shake Animation
- 5.5.1. package Statement, import Statements and Fields
- 5.5.2. Overridden Activity Method onCreate
- 5.5.4. Overridden Activity Method onCreateOptionsMenu
- 5.5.5. Overridden Activity Method onOptionsItemSelected
- 5.5.6. Anonymous Inner Class That Implements OnSharedPreferenceChangeListener
- 5.6.1. package Statement and import Statements
- 5.6.2. Fields
- 5.6.3. Overridden Fragment Method onCreateView
- 5.6.4. Method updateGuessRows
- 5.6.5. Method updateRegions
- 5.6.6. Method resetQuiz
- 5.6.7. Method loadNextFlag
- 5.6.8. Method getCountryName
- 5.6.9. Anonymous Inner Class That Implements OnClickListener
- 5.6.10. Method disableButtons
- 5.7. SettingsFragment Class
- 5.8. SettingsActivity Class
- 5.9. AndroidManifest.xml
- 5.10. Wrap-Up
- 6. Cannon Game App
1.1. Introduction
Welcome to Android app development! We hope that working with Android How to Program, 2/e will be an informative, challenging, entertaining and rewarding experience for you.
This portion of the book is geared toward students with Java programming experience. We use only complete working apps, so if you don’t know Java but have object-oriented programming experience in another language, such as C#, Objective-C/Cocoa or C++ (with class libraries), you should be able to master the material quickly, learning Java and Java-style object-oriented programming as you learn Android app development. If you do not know Java, we also provide a friendly, rich introduction to it in the book’s appendices.
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