
Android Studio Giraffe Essentials - Java Edition
Beschreibung
Fully updated for Android Studio Giraffe and the new UI, this book teaches you how to develop Android-based applications using the Java programming language.
This book begins with the basics and outlines how to set up an Android development and testing environment, followed by an overview of areas such as tool windows, the code editor, and the Layout Editor tool. An introduction to the architecture of Android is followed by an in-depth look at the design of Android applications and user interfaces using the Android Studio environment.
Chapters also cover the Android Architecture Components, including view models, lifecycle management, Room database access, the Database Inspector, app navigation, live data, and data binding.
More advanced topics such as intents are also covered, as are touch screen handling, gesture recognition, and the recording and playback of audio. This book edition also covers printing, transitions, and foldable device support.
The concepts of material design are also covered in detail, including the use of floating action buttons, Snackbars, tabbed interfaces, card views, navigation drawers, and collapsing toolbars.
Other key features of Android Studio and Android are also covered in detail, including the Layout Editor, the ConstraintLayout and ConstraintSet classes, MotionLayout Editor, view binding, constraint chains, barriers, and direct reply notifications.
Chapters also cover advanced features of Android Studio, such as App Links, Gradle build configuration, in-app billing, and submitting apps to the Google Play Developer Console.
Assuming you already have some Java programming experience, are ready to download Android Studio and the Android SDK, have access to a Windows, Mac, or Linux system, and have ideas for some apps to develop, you are ready to get started.
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Weitere Ausgaben
Inhalt
- Intro
- 1. Introduction
- 1.1 Downloading the Code Samples
- 1.2 Feedback
- 1.3 Errata
- 2. Setting up an Android Studio Development Environment
- 2.1 System requirements
- 2.2 Downloading the Android Studio package
- 2.3 Installing Android Studio
- 2.3.1 Installation on Windows
- 2.3.2 Installation on macOS
- 2.3.3 Installation on Linux
- 2.4 The Android Studio setup wizard
- 2.5 Installing additional Android SDK packages
- 2.6 Installing the Android SDK Command-line Tools
- 2.6.1 Windows 8.1
- 2.6.2 Windows 10
- 2.6.3 Windows 11
- 2.6.4 Linux
- 2.6.5 macOS
- 2.7 Android Studio memory management
- 2.8 Updating Android Studio and the SDK
- 2.9 Summary
- 3. Creating an Example Android App in Android Studio
- 3.1 About the Project
- 3.2 Creating a New Android Project
- 3.3 Creating an Activity
- 3.4 Defining the Project and SDK Settings
- 3.5 Enabling the New Android Studio UI
- 3.6 Modifying the Example Application
- 3.7 Modifying the User Interface
- 3.8 Reviewing the Layout and Resource Files
- 3.9 Adding Interaction
- 3.10 Summary
- 4. Creating an Android Virtual Device (AVD) in Android Studio
- 4.1 About Android Virtual Devices
- 4.2 Starting the Emulator
- 4.3 Running the Application in the AVD
- 4.4 Running on Multiple Devices
- 4.5 Stopping a Running Application
- 4.6 Supporting Dark Theme
- 4.7 Running the Emulator in a Separate Window
- 4.8 Enabling the Device Frame
- 4.9 Summary
- 5. Using and Configuring the Android Studio AVD Emulator
- 5.1 The Emulator Environment
- 5.2 Emulator Toolbar Options
- 5.3 Working in Zoom Mode
- 5.4 Resizing the Emulator Window
- 5.5 Extended Control Options
- 5.5.1 Location
- 5.5.2 Displays
- 5.5.3 Cellular
- 5.5.4 Battery
- 5.5.5 Camera
- 5.5.6 Phone
- 5.5.7 Directional Pad
- 5.5.8 Microphone
- 5.5.9 Fingerprint
- 5.5.10 Virtual Sensors
- 5.5.11 Snapshots
- 5.5.12 Record and Playback
- 5.5.13 Google Play
- 5.5.14 Settings
- 5.5.15 Help
- 5.6 Working with Snapshots
- 5.7 Configuring Fingerprint Emulation
- 5.8 The Emulator in Tool Window Mode
- 5.9 Creating a Resizable Emulator
- 5.10 Summary
- 6. A Tour of the Android Studio User Interface
- 6.1 The Welcome Screen
- 6.2 The Menu Bar
- 6.3 The Main Window
- 6.4 The Tool Windows
- 6.5 The Tool Window Menus
- 6.6 Android Studio Keyboard Shortcuts
- 6.7 Switcher and Recent Files Navigation
- 6.8 Changing the Android Studio Theme
- 6.9 Summary
- 7. Testing Android Studio Apps on a Physical Android Device
- 7.1 An Overview of the Android Debug Bridge (ADB)
- 7.2 Enabling USB Debugging ADB on Android Devices
- 7.2.1 macOS ADB Configuration
- 7.2.2 Windows ADB Configuration
- 7.2.3 Linux adb Configuration
- 7.3 Resolving USB Connection Issues
- 7.4 Enabling Wireless Debugging on Android Devices
- 7.5 Testing the adb Connection
- 7.6 Device Mirroring
- 7.7 Summary
- 8. The Basics of the Android Studio Code Editor
- 8.1 The Android Studio Editor
- 8.2 Splitting the Editor Window
- 8.3 Code Completion
- 8.4 Statement Completion
- 8.5 Parameter Information
- 8.6 Parameter Name Hints
- 8.7 Code Generation
- 8.8 Code Folding
- 8.9 Quick Documentation Lookup
- 8.10 Code Reformatting
- 8.11 Finding Sample Code
- 8.12 Live Templates
- 8.13 Summary
- 9. An Overview of the Android Architecture
- 9.1 The Android Software Stack
- 9.2 The Linux Kernel
- 9.3 Android Runtime - ART
- 9.4 Android Libraries
- 9.4.1 C/C++ Libraries
- 9.5 Application Framework
- 9.6 Applications
- 9.7 Summary
- 10. The Anatomy of an Android App
- 10.1 Android Activities
- 10.2 Android Fragments
- 10.3 Android Intents
- 10.4 Broadcast Intents
- 10.5 Broadcast Receivers
- 10.6 Android Services
- 10.7 Content Providers
- 10.8 The Application Manifest
- 10.9 Application Resources
- 10.10 Application Context
- 10.11 Summary
- 11. An Overview of Android View Binding
- 11.1 Find View by Id
- 11.2 View Binding
- 11.3 Converting the AndroidSample project
- 11.4 Enabling View Binding
- 11.5 Using View Binding
- 11.6 Choosing an Option
- 11.7 View Binding in the Book Examples
- 11.8 Migrating a Project to View Binding
- 11.9 Summary
- 12. Understanding Android Application and Activity Lifecycles
- 12.1 Android Applications and Resource Management
- 12.2 Android Process States
- 12.2.1 Foreground Process
- 12.2.2 Visible Process
- 12.2.3 Service Process
- 12.2.4 Background Process
- 12.2.5 Empty Process
- 12.3 Inter-Process Dependencies
- 12.4 The Activity Lifecycle
- 12.5 The Activity Stack
- 12.6 Activity States
- 12.7 Configuration Changes
- 12.8 Handling State Change
- 12.9 Summary
- 13. Handling Android Activity State Changes
- 13.1 New vs. Old Lifecycle Techniques
- 13.2 The Activity and Fragment Classes
- 13.3 Dynamic State vs. Persistent State
- 13.4 The Android Lifecycle Methods
- 13.5 Lifetimes
- 13.6 Foldable Devices and Multi-Resume
- 13.7 Disabling Configuration Change Restarts
- 13.8 Lifecycle Method Limitations
- 13.9 Summary
- 14. Android Activity State Changes by Example
- 14.1 Creating the State Change Example Project
- 14.2 Designing the User Interface
- 14.3 Overriding the Activity Lifecycle Methods
- 14.4 Filtering the Logcat Panel
- 14.5 Running the Application
- 14.6 Experimenting with the Activity
- 14.7 Summary
- 15. Saving and Restoring the State of an Android Activity
- 15.1 Saving Dynamic State
- 15.2 Default Saving of User Interface State
- 15.3 The Bundle Class
- 15.4 Saving the State
- 15.5 Restoring the State
- 15.6 Testing the Application
- 15.7 Summary
- 16. Understanding Android Views, View Groups and Layouts
- 16.1 Designing for Different Android Devices
- 16.2 Views and View Groups
- 16.3 Android Layout Managers
- 16.4 The View Hierarchy
- 16.5 Creating User Interfaces
- 16.6 Summary
- 17. A Guide to the Android Studio Layout Editor Tool
- 17.1 Basic vs. Empty Views Activity Templates
- 17.2 The Android Studio Layout Editor
- 17.3 Design Mode
- 17.4 The Palette
- 17.5 Design Mode and Layout Views
- 17.6 Night Mode
- 17.7 Code Mode
- 17.8 Split Mode
- 17.9 Setting Attributes
- 17.10 Transforms
- 17.11 Tools Visibility Toggles
- 17.12 Converting Views
- 17.13 Displaying Sample Data
- 17.14 Creating a Custom Device Definition
- 17.15 Changing the Current Device
- 17.16 Layout Validation
- 17.17 Summary
- 18. A Guide to the Android ConstraintLayout
- 18.1 How ConstraintLayout Works
- 18.1.1 Constraints
- 18.1.2 Margins
- 18.1.3 Opposing Constraints
- 18.1.4 Constraint Bias
- 18.1.5 Chains
- 18.1.6 Chain Styles
- 18.2 Baseline Alignment
- 18.3 Configuring Widget Dimensions
- 18.4 Guideline Helper
- 18.5 Group Helper
- 18.6 Barrier Helper
- 18.7 Flow Helper
- 18.8 Ratios
- 18.9 ConstraintLayout Advantages
- 18.10 ConstraintLayout Availability
- 18.11 Summary
- 19. A Guide to Using ConstraintLayout in Android Studio
- 19.1 Design and Layout Views
- 19.2 Autoconnect Mode
- 19.3 Inference Mode
- 19.4 Manipulating Constraints Manually
- 19.5 Adding Constraints in the Inspector
- 19.6 Viewing Constraints in the Attributes Window
- 19.7 Deleting Constraints
- 19.8 Adjusting Constraint Bias
- 19.9 Understanding ConstraintLayout Margins
- 19.10 The Importance of Opposing Constraints and Bias
- 19.11 Configuring Widget Dimensions
- 19.12 Design Time Tools Positioning
- 19.13 Adding Guidelines
- 19.14 Adding Barriers
- 19.15 Adding a Group
- 19.16 Working with the Flow Helper
- 19.17 Widget Group Alignment and Distribution
- 19.18 Converting other Layouts to ConstraintLayout
- 19.19 Summary
- 20. Working with ConstraintLayout Chains and Ratios in Android Studio
- 20.1 Creating a Chain
- 20.2 Changing the Chain Style
- 20.3 Spread Inside Chain Style
- 20.4 Packed Chain Style
- 20.5 Packed Chain Style with Bias
- 20.6 Weighted Chain
- 20.7 Working with Ratios
- 20.8 Summary
- 21. An Android Studio Layout Editor ConstraintLayout Tutorial
- 21.1 An Android Studio Layout Editor Tool Example
- 21.2 Preparing the Layout Editor Environment
- 21.3 Adding the Widgets to the User Interface
- 21.4 Adding the Constraints
- 21.5 Testing the Layout
- 21.6 Using the Layout Inspector
- 21.7 Summary
- 22. Manual XML Layout Design in Android Studio
- 22.1 Manually Creating an XML Layout
- 22.2 Manual XML vs. Visual Layout Design
- 22.3 Summary
- 23. Managing Constraints using Constraint Sets
- 23.1 Java Code vs. XML Layout Files
- 23.2 Creating Views
- 23.3 View Attributes
- 23.4 Constraint Sets
- 23.4.1 Establishing Connections
- 23.4.2 Applying Constraints to a Layout
- 23.4.3 Parent Constraint Connections
- 23.4.4 Sizing Constraints
- 23.4.5 Constraint Bias
- 23.4.6 Alignment Constraints
- 23.4.7 Copying and Applying Constraint Sets
- 23.4.8 ConstraintLayout Chains
- 23.4.9 Guidelines
- 23.4.10 Removing Constraints
- 23.4.11 Scaling
- 23.4.12 Rotation
- 23.5 Summary
- 24. An Android ConstraintSet Tutorial
- 24.1 Creating the Example Project in Android Studio
- 24.2 Adding Views to an Activity
- 24.3 Setting View Attributes
- 24.4 Creating View IDs
- 24.5 Configuring the Constraint Set
- 24.6 Adding the EditText View
- 24.7 Converting Density Independent Pixels (dp) to Pixels (px)
- 24.8 Summary
- 25. A Guide to Using Apply Changes in Android Studio
- 25.1 Introducing Apply Changes
- 25.2 Understanding Apply Changes Options
- 25.3 Using Apply Changes
- 25.4 Configuring Apply Changes Fallback Settings
- 25.5 An Apply Changes Tutorial
- 25.6 Using Apply Code Changes
- 25.7 Using Apply Changes and Restart Activity
- 25.8 Using Run App
- 25.9 Summary
- 26. An Overview and Example of Android Event Handling
- 26.1 Understanding Android Events
- 26.2 Using the android:onClick Resource
- 26.3 Event Listeners and Callback Methods
- 26.4 An Event Handling Example
- 26.5 Designing the User Interface
- 26.6 The Event Listener and Callback Method
- 26.7 Consuming Events
- 26.8 Summary
- 27. Android Touch and Multi-touch Event Handling
- 27.1 Intercepting Touch Events
- 27.2 The MotionEvent Object
- 27.3 Understanding Touch Actions
- 27.4 Handling Multiple Touches
- 27.5 An Example Multi-Touch Application
- 27.6 Designing the Activity User Interface
- 27.7 Implementing the Touch Event Listener
- 27.8 Running the Example Application
- 27.9 Summary
- 28. Detecting Common Gestures Using the Android Gesture Detector Class
- 28.1 Implementing Common Gesture Detection
- 28.2 Creating an Example Gesture Detection Project
- 28.3 Implementing the Listener Class
- 28.4 Creating the GestureDetectorCompat Instance
- 28.5 Implementing the onTouchEvent() Method
- 28.6 Testing the Application
- 28.7 Summary
- 29. Implementing Custom Gesture and Pinch Recognition on Android
- 29.1 The Android Gesture Builder Application
- 29.2 The GestureOverlayView Class
- 29.3 Detecting Gestures
- 29.4 Identifying Specific Gestures
- 29.5 Installing and Running the Gesture Builder Application
- 29.6 Creating a Gestures File
- 29.7 Creating the Example Project
- 29.8 Extracting the Gestures File from the SD Card
- 29.9 Adding the Gestures File to the Project
- 29.10 Designing the User Interface
- 29.11 Loading the Gestures File
- 29.12 Registering the Event Listener
- 29.13 Implementing the onGesturePerformed Method
- 29.14 Testing the Application
- 29.15 Configuring the GestureOverlayView
- 29.16 Intercepting Gestures
- 29.17 Detecting Pinch Gestures
- 29.18 A Pinch Gesture Example Project
- 29.19 Summary
- 30. An Introduction to Android Fragments
- 30.1 What is a Fragment?
- 30.2 Creating a Fragment
- 30.3 Adding a Fragment to an Activity using the Layout XML File
- 30.4 Adding and Managing Fragments in Code
- 30.5 Handling Fragment Events
- 30.6 Implementing Fragment Communication
- 30.7 Summary
- 31. Using Fragments in Android Studio - An Example
- 31.1 About the Example Fragment Application
- 31.2 Creating the Example Project
- 31.3 Creating the First Fragment Layout
- 31.4 Migrating a Fragment to View Binding
- 31.5 Adding the Second Fragment
- 31.6 Adding the Fragments to the Activity
- 31.7 Making the Toolbar Fragment Talk to the Activity
- 31.8 Making the Activity Talk to the Text Fragment
- 31.9 Testing the Application
- 31.10 Summary
- 32. Modern Android App Architecture with Jetpack
- 32.1 What is Android Jetpack?
- 32.2 The "Old" Architecture
- 32.3 Modern Android Architecture
- 32.4 The ViewModel Component
- 32.5 The LiveData Component
- 32.6 ViewModel Saved State
- 32.7 LiveData and Data Binding
- 32.8 Android Lifecycles
- 32.9 Repository Modules
- 32.10 Summary
- 33. An Android ViewModel Tutorial
- 33.1 About the Project
- 33.2 Creating the ViewModel Example Project
- 33.3 Removing Unwanted Project Elements
- 33.4 Designing the Fragment Layout
- 33.5 Implementing the View Model
- 33.6 Associating the Fragment with the View Model
- 33.7 Modifying the Fragment
- 33.8 Accessing the ViewModel Data
- 33.9 Testing the Project
- 33.10 Summary
- 34. An Android Jetpack LiveData Tutorial
- 34.1 LiveData - A Recap
- 34.2 Adding LiveData to the ViewModel
- 34.3 Implementing the Observer
- 34.4 Summary
- 35. An Overview of Android Jetpack Data Binding
- 35.1 An Overview of Data Binding
- 35.2 The Key Components of Data Binding
- 35.2.1 The Project Build Configuration
- 35.2.2 The Data Binding Layout File
- 35.2.3 The Layout File Data Element
- 35.2.4 The Binding Classes
- 35.2.5 Data Binding Variable Configuration
- 35.2.6 Binding Expressions (One-Way)
- 35.2.7 Binding Expressions (Two-Way)
- 35.2.8 Event and Listener Bindings
- 35.3 Summary
- 36. An Android Jetpack Data Binding Tutorial
- 36.1 Removing the Redundant Code
- 36.2 Enabling Data Binding
- 36.3 Adding the Layout Element
- 36.4 Adding the Data Element to Layout File
- 36.5 Working with the Binding Class
- 36.6 Assigning the ViewModel Instance to the Data Binding Variable
- 36.7 Adding Binding Expressions
- 36.8 Adding the Conversion Method
- 36.9 Adding a Listener Binding
- 36.10 Testing the App
- 36.11 Summary
- 37. An Android ViewModel Saved State Tutorial
- 37.1 Understanding ViewModel State Saving
- 37.2 Implementing ViewModel State Saving
- 37.3 Saving and Restoring State
- 37.4 Adding Saved State Support to the ViewModelDemo Project
- 37.5 Summary
- 38. Working with Android Lifecycle-Aware Components
- 38.1 Lifecycle Awareness
- 38.2 Lifecycle Owners
- 38.3 Lifecycle Observers
- 38.4 Lifecycle States and Events
- 38.5 Summary
- 39. An Android Jetpack Lifecycle Awareness Tutorial
- 39.1 Creating the Example Lifecycle Project
- 39.2 Creating a Lifecycle Observer
- 39.3 Adding the Observer
- 39.4 Testing the Observer
- 39.5 Creating a Lifecycle Owner
- 39.6 Testing the Custom Lifecycle Owner
- 39.7 Summary
- 40. An Overview of the Navigation Architecture Component
- 40.1 Understanding Navigation
- 40.2 Declaring a Navigation Host
- 40.3 The Navigation Graph
- 40.4 Accessing the Navigation Controller
- 40.5 Triggering a Navigation Action
- 40.6 Passing Arguments
- 40.7 Summary
- 41. An Android Jetpack Navigation Component Tutorial
- 41.1 Creating the NavigationDemo Project
- 41.2 Adding Navigation to the Build Configuration
- 41.3 Creating the Navigation Graph Resource File
- 41.4 Declaring a Navigation Host
- 41.5 Adding Navigation Destinations
- 41.6 Designing the Destination Fragment Layouts
- 41.7 Adding an Action to the Navigation Graph
- 41.8 Implement the OnFragmentInteractionListener
- 41.9 Adding View Binding Support to the Destination Fragments
- 41.10 Triggering the Action
- 41.11 Passing Data Using Safeargs
- 41.12 Summary
- 42. An Introduction to MotionLayout
- 42.1 An Overview of MotionLayout
- 42.2 MotionLayout
- 42.3 MotionScene
- 42.4 Configuring ConstraintSets
- 42.5 Custom Attributes
- 42.6 Triggering an Animation
- 42.7 Arc Motion
- 42.8 Keyframes
- 42.8.1 Attribute Keyframes
- 42.8.2 Position Keyframes
- 42.9 Time Linearity
- 42.10 KeyTrigger
- 42.11 Cycle and Time Cycle Keyframes
- 42.12 Starting an Animation from Code
- 43. An Android MotionLayout Editor Tutorial
- 43.1 Creating the MotionLayoutDemo Project
- 43.2 ConstraintLayout to MotionLayout Conversion
- 43.3 Configuring Start and End Constraints
- 43.4 Previewing the MotionLayout Animation
- 43.5 Adding an OnClick Gesture
- 43.6 Adding an Attribute Keyframe to the Transition
- 43.7 Adding a CustomAttribute to a Transition
- 43.8 Adding Position Keyframes
- 43.9 Summary
- 44. A MotionLayout KeyCycle Tutorial
- 44.1 An Overview of Cycle Keyframes
- 44.2 Using the Cycle Editor
- 44.3 Creating the KeyCycleDemo Project
- 44.4 Configuring the Start and End Constraints
- 44.5 Creating the Cycles
- 44.6 Previewing the Animation
- 44.7 Adding the KeyFrameSet to the MotionScene
- 44.8 Summary
- 45. Working with the Floating Action Button and Snackbar
- 45.1 The Material Design
- 45.2 The Design Library
- 45.3 The Floating Action Button (FAB)
- 45.4 The Snackbar
- 45.5 Creating the Example Project
- 45.6 Reviewing the Project
- 45.7 Removing Navigation Features
- 45.8 Changing the Floating Action Button
- 45.9 Adding an Action to the Snackbar
- 45.10 Summary
- 46. Creating a Tabbed Interface using the TabLayout Component
- 46.1 An Introduction to the ViewPager2
- 46.2 An Overview of the TabLayout Component
- 46.3 Creating the TabLayoutDemo Project
- 46.4 Creating the First Fragment
- 46.5 Duplicating the Fragments
- 46.6 Adding the TabLayout and ViewPager2
- 46.7 Creating the Pager Adapter
- 46.8 Performing the Initialization Tasks
- 46.9 Testing the Application
- 46.10 Customizing the TabLayout
- 46.11 Summary
- 47. Working with the RecyclerView and CardView Widgets
- 47.1 An Overview of the RecyclerView
- 47.2 An Overview of the CardView
- 47.3 Summary
- 48. An Android RecyclerView and CardView Tutorial
- 48.1 Creating the CardDemo Project
- 48.2 Modifying the Basic Views Activity Project
- 48.3 Designing the CardView Layout
- 48.4 Adding the RecyclerView
- 48.5 Adding the Image Files
- 48.6 Creating the RecyclerView Adapter
- 48.7 Initializing the RecyclerView Component
- 48.8 Testing the Application
- 48.9 Responding to Card Selections
- 48.10 Summary
- 49. A Layout Editor Sample Data Tutorial
- 49.1 Adding Sample Data to a Project
- 49.2 Using Custom Sample Data
- 49.3 Summary
- 50. Working with the AppBar and Collapsing Toolbar Layouts
- 50.1 The Anatomy of an AppBar
- 50.2 The Example Project
- 50.3 Coordinating the RecyclerView and Toolbar
- 50.4 Introducing the Collapsing Toolbar Layout
- 50.5 Changing the Title and Scrim Color
- 50.6 Summary
- 51. An Android Studio Primary/Detail Flow Tutorial
- 51.1 The Primary/Detail Flow
- 51.2 Creating a Primary/Detail Flow Activity
- 51.3 Adding the Primary/Detail Flow Activity
- 51.4 Modifying the Primary/Detail Flow Template
- 51.5 Changing the Content Model
- 51.6 Changing the Detail Pane
- 51.7 Modifying the ItemDetailFragment Class
- 51.8 Modifying the ItemListFragment Class
- 51.9 Adding Manifest Permissions
- 51.10 Running the Application
- 51.11 Summary
- 52. An Overview of Android Services
- 52.1 Intent Service
- 52.2 Bound Service
- 52.3 The Anatomy of a Service
- 52.4 Controlling Destroyed Service Restart Options
- 52.5 Declaring a Service in the Manifest File
- 52.6 Starting a Service Running on System Startup
- 52.7 Summary
- 53. An Overview of Android Intents
- 53.1 An Overview of Intents
- 53.2 Explicit Intents
- 53.3 Returning Data from an Activity
- 53.4 Implicit Intents
- 53.5 Using Intent Filters
- 53.6 Automatic Link Verification
- 53.7 Manually Enabling Links
- 53.8 Checking Intent Availability
- 53.9 Summary
- 54. Android Explicit Intents - A Worked Example
- 54.1 Creating the Explicit Intent Example Application
- 54.2 Designing the User Interface Layout for MainActivity
- 54.3 Creating the Second Activity Class
- 54.4 Designing the User Interface Layout for SecondActivity
- 54.5 Reviewing the Application Manifest File
- 54.6 Creating the Intent
- 54.7 Extracting Intent Data
- 54.8 Launching SecondActivity as a Sub-Activity
- 54.9 Returning Data from a Sub-Activity
- 54.10 Testing the Application
- 54.11 Summary
- 55. Android Implicit Intents - A Worked Example
- 55.1 Creating the Android Studio Implicit Intent Example Project
- 55.2 Designing the User Interface
- 55.3 Creating the Implicit Intent
- 55.4 Adding a Second Matching Activity
- 55.5 Adding the Web View to the UI
- 55.6 Obtaining the Intent URL
- 55.7 Modifying the MyWebView Project Manifest File
- 55.8 Installing the MyWebView Package on a Device
- 55.9 Testing the Application
- 55.10 Manually Enabling the Link
- 55.11 Automatic Link Verification
- 55.12 Summary
- 56. Android Broadcast Intents and Broadcast Receivers
- 56.1 An Overview of Broadcast Intents
- 56.2 An Overview of Broadcast Receivers
- 56.3 Obtaining Results from a Broadcast
- 56.4 Sticky Broadcast Intents
- 56.5 The Broadcast Intent Example
- 56.6 Creating the Example Application
- 56.7 Creating and Sending the Broadcast Intent
- 56.8 Creating the Broadcast Receiver
- 56.9 Registering the Broadcast Receiver
- 56.10 Testing the Broadcast Example
- 56.11 Listening for System Broadcasts
- 56.12 Summary
- 57. Android Local Bound Services - A Worked Example
- 57.1 Understanding Bound Services
- 57.2 Bound Service Interaction Options
- 57.3 A Local Bound Service Example
- 57.4 Adding a Bound Service to the Project
- 57.5 Implementing the Binder
- 57.6 Binding the Client to the Service
- 57.7 Completing the Example
- 57.8 Testing the Application
- 57.9 Summary
- 58. Android Remote Bound Services - A Worked Example
- 58.1 Client to Remote Service Communication
- 58.2 Creating the Example Application
- 58.3 Designing the User Interface
- 58.4 Implementing the Remote Bound Service
- 58.5 Configuring a Remote Service in the Manifest File
- 58.6 Launching and Binding to the Remote Service
- 58.7 Sending a Message to the Remote Service
- 58.8 Summary
- 59. A Basic Overview of Java Threads, Handlers and Executors
- 59.1 The Application Main Thread
- 59.2 Thread Handlers
- 59.3 A Threading Example
- 59.4 Building the App
- 59.5 Creating a New Thread
- 59.6 Implementing a Thread Handler
- 59.7 Passing a Message to the Handler
- 59.8 Java Executor Concurrency
- 59.9 Working with Runnable Tasks
- 59.10 Shutting down an Executor Service
- 59.11 Working with Callable Tasks and Futures
- 59.12 Handling a Future Result
- 59.13 Scheduling Tasks
- 59.14 Summary
- 60. Making Runtime Permission Requests in Android
- 60.1 Understanding Normal and Dangerous Permissions
- 60.2 Creating the Permissions Example Project
- 60.3 Checking for a Permission
- 60.4 Requesting Permission at Runtime
- 60.5 Providing a Rationale for the Permission Request
- 60.6 Testing the Permissions App
- 60.7 Summary
- 61. An Android Notifications Tutorial
- 61.1 An Overview of Notifications
- 61.2 Creating the NotifyDemo Project
- 61.3 Designing the User Interface
- 61.4 Creating the Second Activity
- 61.5 Creating a Notification Channel
- 61.6 Requesting Notification Permission
- 61.7 Creating and Issuing a Notification
- 61.8 Launching an Activity from a Notification
- 61.9 Adding Actions to a Notification
- 61.10 Bundled Notifications
- 61.11 Summary
- 62. An Android Direct Reply Notification Tutorial
- 62.1 Creating the DirectReply Project
- 62.2 Designing the User Interface
- 62.3 Requesting Notification Permission
- 62.4 Creating the Notification Channel
- 62.5 Building the RemoteInput Object
- 62.6 Creating the PendingIntent
- 62.7 Creating the Reply Action
- 62.8 Receiving Direct Reply Input
- 62.9 Updating the Notification
- 62.10 Summary
- 63. Foldable Devices and Multi-Window Support
- 63.1 Foldables and Multi-Window Support
- 63.2 Using a Foldable Emulator
- 63.3 Entering Multi-Window Mode
- 63.4 Enabling and using Freeform Support
- 63.5 Checking for Freeform Support
- 63.6 Enabling Multi-Window Support in an App
- 63.7 Specifying Multi-Window Attributes
- 63.8 Detecting Multi-Window Mode in an Activity
- 63.9 Receiving Multi-Window Notifications
- 63.10 Launching an Activity in Multi-Window Mode
- 63.11 Configuring Freeform Activity Size and Position
- 63.12 Summary
- 64. An Overview of Android SQLite Databases
- 64.1 Understanding Database Tables
- 64.2 Introducing Database Schema
- 64.3 Columns and Data Types
- 64.4 Database Rows
- 64.5 Introducing Primary Keys
- 64.6 What is SQLite?
- 64.7 Structured Query Language (SQL)
- 64.8 Trying SQLite on an Android Virtual Device (AVD)
- 64.9 The Android Room Persistence Library
- 64.10 Summary
- 65. The Android Room Persistence Library
- 65.1 Revisiting Modern App Architecture
- 65.2 Key Elements of Room Database Persistence
- 65.2.1 Repository
- 65.2.2 Room Database
- 65.2.3 Data Access Object (DAO)
- 65.2.4 Entities
- 65.2.5 SQLite Database
- 65.3 Understanding Entities
- 65.4 Data Access Objects
- 65.5 The Room Database
- 65.6 The Repository
- 65.7 In-Memory Databases
- 65.8 Database Inspector
- 65.9 Summary
- 66. An Android TableLayout and TableRow Tutorial
- 66.1 The TableLayout and TableRow Layout Views
- 66.2 Creating the Room Database Project
- 66.3 Converting to a LinearLayout
- 66.4 Adding the TableLayout to the User Interface
- 66.5 Configuring the TableRows
- 66.6 Adding the Button Bar to the Layout
- 66.7 Adding the RecyclerView
- 66.8 Adjusting the Layout Margins
- 66.9 Summary
- 67. An Android Room Database and Repository Tutorial
- 67.1 About the RoomDemo Project
- 67.2 Modifying the Build Configuration
- 67.3 Building the Entity
- 67.4 Creating the Data Access Object
- 67.5 Adding the Room Database
- 67.6 Adding the Repository
- 67.7 Adding the ViewModel
- 67.8 Creating the Product Item Layout
- 67.9 Adding the RecyclerView Adapter
- 67.10 Preparing the Main Activity
- 67.11 Adding the Button Listeners
- 67.12 Adding LiveData Observers
- 67.13 Initializing the RecyclerView
- 67.14 Testing the RoomDemo App
- 67.15 Using the Database Inspector
- 67.16 Summary
- 68. Accessing Cloud Storage using the Android Storage Access Framework
- 68.1 The Storage Access Framework
- 68.2 Working with the Storage Access Framework
- 68.3 Filtering Picker File Listings
- 68.4 Handling Intent Results
- 68.5 Reading the Content of a File
- 68.6 Writing Content to a File
- 68.7 Deleting a File
- 68.8 Gaining Persistent Access to a File
- 68.9 Summary
- 69. An Android Storage Access Framework Example
- 69.1 About the Storage Access Framework Example
- 69.2 Creating the Storage Access Framework Example
- 69.3 Designing the User Interface
- 69.4 Adding the Activity Launchers
- 69.5 Creating a New Storage File
- 69.6 Saving to a Storage File
- 69.7 Opening and Reading a Storage File
- 69.8 Testing the Storage Access Application
- 69.9 Summary
- 70. Video Playback on Android using the VideoView and MediaController Classes
- 70.1 Introducing the Android VideoView Class
- 70.2 Introducing the Android MediaController Class
- 70.3 Creating the Video Playback Example
- 70.4 Designing the VideoPlayer Layout
- 70.5 Downloading the Video File
- 70.6 Configuring the VideoView
- 70.7 Adding the MediaController to the Video View
- 70.8 Setting up the onPreparedListener
- 70.9 Summary
- 71. Android Picture-in-Picture Mode
- 71.1 Picture-in-Picture Features
- 71.2 Enabling Picture-in-Picture Mode
- 71.3 Configuring Picture-in-Picture Parameters
- 71.4 Entering Picture-in-Picture Mode
- 71.5 Detecting Picture-in-Picture Mode Changes
- 71.6 Adding Picture-in-Picture Actions
- 71.7 Summary
- 72. An Android Picture-in-Picture Tutorial
- 72.1 Adding Picture-in-Picture Support to the Manifest
- 72.2 Adding a Picture-in-Picture Button
- 72.3 Entering Picture-in-Picture Mode
- 72.4 Detecting Picture-in-Picture Mode Changes
- 72.5 Adding a Broadcast Receiver
- 72.6 Adding the PiP Action
- 72.7 Testing the Picture-in-Picture Action
- 72.8 Summary
- 73. Android Audio Recording and Playback using MediaPlayer and MediaRecorder
- 73.1 Playing Audio
- 73.2 Recording Audio and Video using the MediaRecorder Class
- 73.3 About the Example Project
- 73.4 Creating the AudioApp Project
- 73.5 Designing the User Interface
- 73.6 Checking for Microphone Availability
- 73.7 Initializing the Activity
- 73.8 Implementing the recordAudio() Method
- 73.9 Implementing the stopAudio() Method
- 73.10 Implementing the playAudio() method
- 73.11 Configuring and Requesting Permissions
- 73.12 Testing the Application
- 73.13 Summary
- 74. Working with the Google Maps Android API in Android Studio
- 74.1 The Elements of the Google Maps Android API
- 74.2 Creating the Google Maps Project
- 74.3 Creating a Google Cloud Billing Account
- 74.4 Creating a New Google Cloud Project
- 74.5 Enabling the Google Maps SDK
- 74.6 Generating a Google Maps API Key
- 74.7 Adding the API Key to the Android Studio Project
- 74.8 Testing the Application
- 74.9 Understanding Geocoding and Reverse Geocoding
- 74.10 Adding a Map to an Application
- 74.11 Requesting Current Location Permission
- 74.12 Displaying the User's Current Location
- 74.13 Changing the Map Type
- 74.14 Displaying Map Controls to the User
- 74.15 Handling Map Gesture Interaction
- 74.15.1 Map Zooming Gestures
- 74.15.2 Map Scrolling/Panning Gestures
- 74.15.3 Map Tilt Gestures
- 74.15.4 Map Rotation Gestures
- 74.16 Creating Map Markers
- 74.17 Controlling the Map Camera
- 74.18 Summary
- 75. Printing with the Android Printing Framework
- 75.1 The Android Printing Architecture
- 75.2 The Print Service Plugins
- 75.3 Google Cloud Print
- 75.4 Printing to Google Drive
- 75.5 Save as PDF
- 75.6 Printing from Android Devices
- 75.7 Options for Building Print Support into Android Apps
- 75.7.1 Image Printing
- 75.7.2 Creating and Printing HTML Content
- 75.7.3 Printing a Web Page
- 75.7.4 Printing a Custom Document
- 75.8 Summary
- 76. An Android HTML and Web Content Printing Example
- 76.1 Creating the HTML Printing Example Application
- 76.2 Printing Dynamic HTML Content
- 76.3 Creating the Web Page Printing Example
- 76.4 Removing the Floating Action Button
- 76.5 Removing Navigation Features
- 76.6 Designing the User Interface Layout
- 76.7 Accessing the WebView from the Main Activity
- 76.8 Loading the Web Page into the WebView
- 76.9 Adding the Print Menu Option
- 76.10 Summary
- 77. A Guide to Android Custom Document Printing
- 77.1 An Overview of Android Custom Document Printing
- 77.1.1 Custom Print Adapters
- 77.2 Preparing the Custom Document Printing Project
- 77.3 Creating the Custom Print Adapter
- 77.4 Implementing the onLayout() Callback Method
- 77.5 Implementing the onWrite() Callback Method
- 77.6 Checking a Page is in Range
- 77.7 Drawing the Content on the Page Canvas
- 77.8 Starting the Print Job
- 77.9 Testing the Application
- 77.10 Summary
- 78. An Introduction to Android App Links
- 78.1 An Overview of Android App Links
- 78.2 App Link Intent Filters
- 78.3 Handling App Link Intents
- 78.4 Associating the App with a Website
- 78.5 Summary
- 79. An Android Studio App Links Tutorial
- 79.1 About the Example App
- 79.2 The Database Schema
- 79.3 Loading and Running the Project
- 79.4 Adding the URL Mapping
- 79.5 Adding the Intent Filter
- 79.6 Adding Intent Handling Code
- 79.7 Testing the App
- 79.8 Creating the Digital Asset Links File
- 79.9 Testing the App Link
- 79.10 Summary
- 80. An Android Biometric Authentication Tutorial
- 80.1 An Overview of Biometric Authentication
- 80.2 Creating the Biometric Authentication Project
- 80.3 Configuring Device Fingerprint Authentication
- 80.4 Adding the Biometric Permission to the Manifest File
- 80.5 Designing the User Interface
- 80.6 Adding a Toast Convenience Method
- 80.7 Checking the Security Settings
- 80.8 Configuring the Authentication Callbacks
- 80.9 Adding the CancellationSignal
- 80.10 Starting the Biometric Prompt
- 80.11 Testing the Project
- 80.12 Summary
- 81. Creating, Testing, and Uploading an Android App Bundle
- 81.1 The Release Preparation Process
- 81.2 Android App Bundles
- 81.3 Register for a Google Play Developer Console Account
- 81.4 Configuring the App in the Console
- 81.5 Enabling Google Play App Signing
- 81.6 Creating a Keystore File
- 81.7 Creating the Android App Bundle
- 81.8 Generating Test APK Files
- 81.9 Uploading the App Bundle to the Google Play Developer Console
- 81.10 Exploring the App Bundle
- 81.11 Managing Testers
- 81.12 Rolling the App Out for Testing
- 81.13 Uploading New App Bundle Revisions
- 81.14 Analyzing the App Bundle File
- 81.15 Summary
- 82. An Overview of Android In-App Billing
- 82.1 Preparing a Project for In-App Purchasing
- 82.2 Creating In-App Products and Subscriptions
- 82.3 Billing Client Initialization
- 82.4 Connecting to the Google Play Billing Library
- 82.5 Querying Available Products
- 82.6 Starting the Purchase Process
- 82.7 Completing the Purchase
- 82.8 Querying Previous Purchases
- 82.9 Summary
- 83. An Android In-App Purchasing Tutorial
- 83.1 About the In-App Purchasing Example Project
- 83.2 Creating the InAppPurchase Project
- 83.3 Adding Libraries to the Project
- 83.4 Designing the User Interface
- 83.5 Adding the App to the Google Play Store
- 83.6 Creating an In-App Product
- 83.7 Enabling License Testers
- 83.8 Initializing the Billing Client
- 83.9 Querying the Product
- 83.10 Launching the Purchase Flow
- 83.11 Handling Purchase Updates
- 83.12 Consuming the Product
- 83.13 Restoring a Previous Purchase
- 83.14 Testing the App
- 83.15 Troubleshooting
- 83.16 Summary
- 84. Working with Material Design 3 Theming
- 84.1 Material Design 2 vs. Material Design 3
- 84.2 Understanding Material Design Theming
- 84.3 Material Design 3 Theming
- 84.4 Building a Custom Theme
- 84.5 Summary
- 85. A Material Design 3 Theming and Dynamic Color Tutorial
- 85.1 Creating the ThemeDemo Project
- 85.3 Designing the User Interface
- 85.4 Building a New Theme
- 85.5 Adding the Theme to the Project
- 85.6 Enabling Dynamic Color Support
- 85.7 Previewing Dynamic Colors
- 85.8 Summary
- 86. An Overview of Gradle in Android Studio
- 86.1 An Overview of Gradle
- 86.2 Gradle and Android Studio
- 86.2.1 Sensible Defaults
- 86.2.2 Dependencies
- 86.2.3 Build Variants
- 86.2.4 Manifest Entries
- 86.2.5 APK Signing
- 86.2.6 ProGuard Support
- 86.3 The Property and Settings Gradle Build File
- 86.4 The Top-level Gradle Build File
- 86.5 Module Level Gradle Build Files
- 86.6 Configuring Signing Settings in the Build File
- 86.7 Running Gradle Tasks from the Command Line
- 86.8 Summary
- Index
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