Android.Programming.Ranch.Guide.Guides.16

Android.Programming.Ranch.Guide.Guides.16

User Manual:

Open the PDF directly: View PDF .
Page Count: 721 [warning: Documents this large are best viewed by clicking the View PDF Link!]

Scroll down to view the document on your mobile browser.

Android Programming
Table of Contents
Learning Android
- Prerequisites
- What’s New in the Third Edition?
- How to Use This Book
- How This Book Is Organized
  - Challenges
  - Are you more curious?
- Code Style
- Typographical Conventions
- Android Versions
The Necessary Tools
- Downloading and Installing Android Studio
- Downloading Earlier SDK Versions
- A Hardware Device
Chapter 1€€Your First Android Application
- App Basics
- Creating an Android Project
- Navigating in Android Studio
- Laying Out the UI
- From Layout XML to View Objects
  - Resources and resource IDs
- Wiring Up Widgets
  - Getting references to widgets
  - Setting listeners
    - Using anonymous inner classes
- Making Toasts
  - Using code completion
- Running on the Emulator
- For the More Curious: Android Build Process
  - Android build tools
- Challenges
- Challenge: Customizing the Toast
Chapter 2€€Android and Model-View-Controller
- Creating a New Class
  - Generating getters and setters
- Model-View-Controller and Android
  - Benefits of MVC
- Updating the View Layer
- Updating the Controller Layer
- Running on a Device
  - Connecting your device
  - Configuring your device for development
- Adding an Icon
  - Adding resources to a project
  - Referencing resources in XML
- Challenge: Add a Listener to the TextView
- Challenge: Add a Previous Button
- Challenge: From Button to ImageButton
Chapter 3€€The Activity Lifecycle
- Logging the Activity Lifecycle
- Rotation and the Activity Lifecycle
  - Device configurations and alternative resources
    - Creating a landscape layout
- Saving Data Across Rotation
  - Overriding onSaveInstanceState(Bundle)
- The Activity Lifecycle, Revisited
- For the More Curious: Current State of Activity Cleanup
- For the More Curious: Log Levels and Methods
- Challenge: Preventing Repeat Answers
- Challenge: Graded Quiz
Chapter 4€€Debugging Android Apps
- Exceptions and Stack Traces
- Android-Specific Debugging
  - Using Android Lint
  - Issues with the R class
- Challenge: Exploring the Layout Inspector
- Challenge: Exploring Allocation Tracking
Chapter 5€€Your Second Activity
- Setting Up a Second Activity
- Starting an Activity
  - Communicating with intents
    - Explicit and implicit intents
- Passing Data Between Activities
  - Using intent extras
  - Getting a result back from a child activity
- How Android Sees Your Activities
- Challenge: Closing Loopholes for Cheaters
Chapter 6€€Android SDK Versions and Compatibility
- Android SDK Versions
- Compatibility and Android Programming
- Using the Android Developer Documentation
- Challenge: Reporting the Build Version
- Challenge: Limited Cheats
Chapter 7€€UI Fragments and the Fragment Manager
- The Need for UI Flexibility
- Introducing Fragments
- Starting CriminalIntent
- Hosting a UI Fragment
- Creating a UI Fragment
  - Defining CrimeFragment’s layout
  - Creating the CrimeFragment class
    - Implementing fragment lifecycle methods
    - Wiring widgets in a fragment
- Adding a UI Fragment to the FragmentManager
  - Fragment transactions
  - The FragmentManager and the fragment lifecycle
- Application Architecture with Fragments
  - The reason all our activities will use fragments
- For the More Curious: Fragments and the Support Library
- For the More Curious: Why Support Fragments Are Superior
Chapter 8€€Displaying Lists with RecyclerView
- Updating CriminalIntent’s Model Layer
  - Singletons and centralized data storage
- An Abstract Activity for Hosting a Fragment
  - A generic fragment-hosting layout
  - An abstract Activity class
- RecyclerView, Adapter, and ViewHolder
- Binding List Items
- Responding to Presses
- For the More Curious: ListView and GridView
- For the More Curious: Singletons
- Challenge: RecyclerView ViewTypes
Chapter 9€€Creating User Interfaces with Layouts and Widgets
- Using the Graphical Layout Tool
- Introducing ConstraintLayout
- More on Layout Attributes
- The Graphical Layout Tools and You
- Challenge: Formatting the Date
Chapter 10€€Using Fragment Arguments
- Starting an Activity from a Fragment
- Fragment Arguments
  - Attaching arguments to a fragment
  - Retrieving arguments
- Reloading the List
- Getting Results with Fragments
- For the More Curious: Why Use Fragment Arguments?
- Challenge: Efficient RecyclerView Reloading
- Challenge: Improving CrimeLab Performance
Chapter 11€€Using ViewPager
- Creating CrimePagerActivity
  - ViewPager and PagerAdapter
  - Integrating CrimePagerActivity
- FragmentStatePagerAdapter vs FragmentPagerAdapter
- For the More Curious: How ViewPager Really Works
- For the More Curious: Laying Out Views in Code
- Challenge: Restoring CrimeFragment’s Margins
- Challenge: Adding First and Last Buttons
Chapter 12€€Dialogs
- Creating a DialogFragment
  - Showing a DialogFragment
  - Setting a dialog’s contents
- Passing Data Between Two Fragments
  - Passing data to DatePickerFragment
  - Returning data to CrimeFragment
- Challenge: More Dialogs
- Challenge: A Responsive DialogFragment
Chapter 13€€The Toolbar
- AppCompat
  - Using the AppCompat library
    - Updating the theme
    - Using AppCompatActivity
- Menus
- Enabling Hierarchical Navigation
  - How hierarchical navigation works
- An Alternative Action Item
  - Toggling the action item title
  - “Just one more thing...”
- For the More Curious: Action Bar vs Toolbar
- Challenge: Deleting Crimes
- Challenge: Plural String Resources
- Challenge: An Empty View for the RecyclerView
Chapter 14€€SQLite Databases
- Defining a Schema
- Building Your Initial Database
  - Exploring files using Android Device Monitor
  - Debugging database issues
- Gutting CrimeLab
- Writing to the Database
  - Using ContentValues
  - Inserting and updating rows
- Reading from the Database
  - Using a CursorWrapper
  - Converting to model objects
    - Refreshing model data
- For the More Curious: More Databases
- For the More Curious: The Application Context
- Challenge: Deleting Crimes
Chapter 15€€Implicit Intents
- Adding Buttons
- Adding a Suspect to the Model Layer
- Using a Format String
- Using Implicit Intents
- Challenge: ShareCompat
- Challenge: Another Implicit Intent
Chapter 16€€Taking Pictures with Intents
- A Place for Your Photo
- File Storage
  - Using FileProvider
  - Designating a picture location
- Using a Camera Intent
  - Firing the intent
- Scaling and Displaying Bitmaps
- Declaring Features
- Challenge: Detail Display
- Challenge: Efficient Thumbnail Load
Chapter 17€€Two-Pane Master-Detail Interfaces
- Adding Layout Flexibility
- Activity: Fragment Boss
  - Fragment callback interfaces
    - Implementing CrimeListFragment.Callbacks
    - Implementing CrimeFragment.Callbacks
- For the More Curious: More on Determining Device Size
- Challenge: Adding Swipe to Dismiss
Chapter 18€€Localization
- Localizing Resources
- Configuration Qualifiers
- Testing Alternative Resources
- Challenge: Localizing Dates
Chapter 19€€Accessibility
- TalkBack
  - Explore by Touch
  - Linear navigation by swiping
- Making Non-Text Elements Readable by TalkBack
  - Adding content descriptions
  - Making a widget focusable
- Creating a Comparable Experience
  - Using labels to provide context
- For the More Curious: Using Accessibility Scanner
- Challenge: Improving the List
- Challenge: Providing Enough Context for Data Entry
- Challenge: Announcing Events
Chapter 20€€Data Binding and MVVM
- Different Architectures: Why Bother?
- Creating BeatBox
  - Simple data binding
- Importing Assets
- Getting At Assets
- Wiring Up Assets for Use
- Binding to Data
- Accessing Assets
- For the More Curious: More About Data Binding
- For the More Curious: Why Assets, Not Resources
- For the More Curious: Non-Assets?
Chapter 21€€Unit Testing and Audio Playback
- Creating a SoundPool
- Loading Sounds
- Playing Sounds
- Test Dependencies
- Creating a Test Class
- Setting Up Your Test
  - Using mocked dependencies
- Writing Tests
  - Testing object interactions
- Data Binding Callbacks
- Unloading Sounds
- Rotation and Object Continuity
  - Retaining a fragment
  - Rotation and retained fragments
- For the More Curious: Whether to Retain
- For the More Curious: Espresso and Integration Testing
- For the More Curious: Mocks and Testing
- Challenge: Playback Speed Control
Chapter 22€€Styles and Themes
- Color Resources
- Styles
  - Style inheritance
- Themes
  - Modifying the theme
- Adding Theme Colors
- Overriding Theme Attributes
  - Theme spelunking
- Modifying Button Attributes
- For the More Curious: More on Style Inheritance
- For the More Curious: Accessing Theme Attributes
Chapter 23€€XML Drawables
- Making Uniform Buttons
- Shape Drawables
- State List Drawables
- Layer List Drawables
- For the More Curious: Why Bother with XML Drawables?
- For the More Curious: Mipmap Images
- For the More Curious: 9-Patch Images
- Challenge: Button Themes
Chapter 24€€More About Intents and Tasks
- Setting Up NerdLauncher
- Resolving an Implicit Intent
- Creating Explicit Intents at Runtime
- Tasks and the Back Stack
  - Switching between tasks
  - Starting a new task
- Using NerdLauncher as a Home Screen
- Challenge: Icons
- For the More Curious: Processes vs Tasks
- For the More Curious: Concurrent Documents
Chapter 25€€HTTP and Background Tasks
- Creating PhotoGallery
- Networking Basics
  - Asking permission to network
- Using AsyncTask to Run on a Background Thread
- You and Your Main Thread
  - Beyond the main thread
- Fetching JSON from Flickr
  - Parsing JSON text
- From AsyncTask Back to the Main Thread
- Cleaning Up AsyncTasks
- For the More Curious: More on AsyncTask
- For the More Curious: Alternatives to AsyncTask
- Challenge: Gson
- Challenge: Paging
- Challenge: Dynamically Adjusting the Number of Columns
Chapter 26€€Loopers, Handlers, and HandlerThread
- Preparing RecyclerView to Display Images
- Downloading Lots of Small Things
- Communicating with the Main Thread
- Assembling a Background Thread
- Messages and Message Handlers
- For the More Curious: AsyncTasks vs Threads
- For the More Curious: Solving the Image Downloading Problem
- For the More Curious: StrictMode
- Challenge: Preloading and Caching
Chapter 27€€Search
- Searching Flickr
- Using SearchView
  - Responding to SearchView user interactions
- Simple Persistence with Shared Preferences
- Polishing Your App
- Challenge: Polishing Your App Some More
Chapter 28€€Background Services
- Creating an IntentService
- What Services Are For
  - Safe background networking
- Looking for New Results
- Delayed Execution with AlarmManager
- Controlling Your Alarm
- Notifications
- Challenge: Notifications on Android Wear
- For the More Curious: Service Details
- For the More Curious: JobScheduler and JobServices
  - JobScheduler and the future of background work
- Challenge: Using JobService on Lollipop
- For the More Curious: Sync Adapters
Chapter 29€€Broadcast Intents
- Regular Intents vs Broadcast Intents
- Receiving a System Broadcast: Waking Up on Boot
  - Creating and registering a standalone receiver
  - Using receivers
- Filtering Foreground Notifications
- Receivers and Long-Running Tasks
- For the More Curious: Local Events
  - Using EventBus
  - Using RxJava
- For the More Curious: Detecting the Visibility of Your Fragment
Chapter 30€€Browsing the Web and WebView
- One Last Bit of Flickr Data
- The Easy Way: Implicit Intents
- The Harder Way: WebView
  - Using WebChromeClient to spruce things up
- Proper Rotation with WebView
  - Dangers of handling configuration changes
- For the More Curious: Injecting JavaScript Objects
- For the More Curious: WebView Updates
- Challenge: Using the Back Button for Browser History
- Challenge: Supporting Non-HTTP Links
Chapter 31€€Custom Views and Touch Events
- Setting Up the DragAndDraw Project
- Creating a Custom View
  - Creating BoxDrawingView
- Handling Touch Events
  - Tracking across motion events
- Rendering Inside onDraw(Canvas)
- Challenge: Saving State
- Challenge: Rotating Boxes
Chapter 32€€Property Animation
- Building the Scene
- Simple Property Animation
- Playing Animators Together
- For the More Curious: Other Animation APIs
  - Legacy animation tools
  - Transitions
- Challenges
Chapter 33€€Locations and Play Services
- Locations and Libraries
  - Google Play Services
- Creating Locatr
- Play Services and Location Testing on Emulators
  - Mock location data
- Building Out Locatr
- Setting Up Google Play Services
  - Location permissions
- Using Google Play Services
- Flickr Geosearch
- Getting a Location Fix
- Asking for Permission at Runtime
  - Checking for permissions
- Find and Display an Image
- Challenge: Permissions Rationale
- Challenge: Progress
Chapter 34€€Maps
- Importing Play Services Maps
- Mapping on Android
- Getting a Maps API Key
- Setting Up Your Map
- Getting More Location Data
- Working with Your Map
  - Drawing on the map
- For the More Curious: Teams and API Keys
Chapter 35€€Material Design
- Material Surfaces
  - Elevation and Z values
  - State list animators
- Animation Tools
  - Circular reveal
  - Shared element transitions
- View Components
- More on Material Design
Chapter 36€€Afterword
- The Final Challenge
- Shameless Plugs
- Thank You
Index

Navigation menu