Android 9 Development Cookbook · Over 100 recipes and solutions to solve the most common problems faced by Android developers, 3rd Edition by Boyer, Rick -- Read -- Imperial Library of Trantor

Index

Title Page Copyright and Credits

Android 9 Development Cookbook Third Edition

Dedication About Packt

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Contributors

About the author About the reviewers Packt is searching for authors like you

Preface

Who this book is for What this book covers To get the most out of this book

Download the example code files Download the color images Conventions used

Sections

Getting ready How to do it… How it works… There's more… See also

Get in touch

Reviews

Activities

Introduction Declaring an activity

Getting ready How to do it... How it works...

Starting a new activity with an intent object

Getting ready How to do it... How it works... There's more... See also

Switching between activities

Getting ready How to do it... How it works... See also

Passing data to another activity

Getting ready How to do it... How it works... There's more...

Returning a result from an activity

Getting ready How to do it... How it works... There's more... See also

Saving an activity's state

Getting ready How to do it... How it works... There's more... See also

Storing persistent activity data

Getting ready How to do it... How it works... There's more...

Using more than one preference file

See also

Understanding the activity life cycle

Getting ready How to do it... How it works... There's more...

Layouts

Introduction Defining and inflating a layout

Getting ready How to do it... How it works... There's more... See also

Using RelativeLayout

Getting ready How to do it... How it works... There's more... See also

Using LinearLayout

Getting ready How to do it... How it works... There's more... See also

Creating tables – TableLayout and GridLayout

Getting ready How to do it... How it works... There's more...

RecyclerView replaces ListView

Getting ready How to do it... How it works… There’s more…

Changing layout properties during runtime

Getting ready How to do it... How it works...

Views, Widgets, and Styles

Introduction Inserting a widget into a layout

Getting ready How to do it... How it works... There's more... See also

Using graphics to show button state

Getting ready How to do it... How it works... There's more...

Using designated folders for screen-specific resources

See also

Creating a widget at runtime

Getting ready How to do it... How it works... There's more...

Creating a custom component

Getting ready How to do it... How it works... There's more... See also

Applying a style to a View

Getting ready How to do it... How it works... There's more... See also

Turning a style into a theme

Getting ready How to do it... How it works... There's more...

Selecting a theme based on the Android version

Getting ready How to do it... How it works... There's more...

Menus and Action Mode

Introduction Creating an options menu

Getting ready How to do it... How it works... There's more...

Using a menu item to launch an activity Creating submenus Grouping menu items

See also

Modifying menus and menu items during runtime

Getting ready How to do it... How it works... There's more...

Enabling Contextual Action Mode for a view

Creating a floating context menu Getting ready How to do it... How it works... There's more... See also

Using Contextual Batch Mode with RecyclerView

Getting ready How to do it... How it works... There's more... See also

Creating a pop-up menu

Getting ready How to do it... How it works...

Fragments

Introduction Creating and using a Fragment

Getting ready How to do it... How it works... There's more... See also

Adding and removing Fragments during runtime

Getting ready How to do it... How it works... There's more... See also

Passing data between Fragments

Getting ready How to do it... How it works... There's more... See also

Handling the Fragment back stack

Getting ready How to do it... How it works... There's more...

Home Screen Widgets, Search, and the System UI

Introduction Creating a shortcut on the Home screen

Getting ready How to do it... How it works... There's more...

Creating a Home screen widget

Getting ready How to do it... How it works... There's more... See also

Adding Search to the Action Bar

Getting ready How to do it... How it works... See also

Showing your app full-screen

Getting ready How to do it... How it works... There's more...

Sticky Immersion Dimming the System UI Setting the Action Bar as an overlay Translucent system bars

See also

Data Storage

Introduction Storing simple data

Getting ready How to do it... How it works... There's more...

Read and write a text file to internal storage

Getting ready How to do it... How it works... There's more...

Caching files

See also

Read and write a text file to external storage

Getting ready How to do it... How it works... There's more...

Getting public folders Checking available space Deleting a file Working with directories Preventing files from being included in galleries

See also

Including resource files in your project

Getting ready How to do it... How it works... There's more... See also

Creating and using an SQLite database

Getting ready How to do it... How it works... There's more...

Upgrading a database

See also

Accessing data in the background using a Loader

Getting ready How to do it... How it works... There's more... See also

Accessing external storage with scoped directories in Android N

Getting ready How to do it... How it works... There's more... See also

Alerts and Notifications

Introduction Lights, Action, and Sound – getting the user's attention!

Getting ready How to do it... How it works... There's more... See also

Creating a Toast with a custom layout

Getting ready How to do it... How it works... See also

Displaying a message box with AlertDialog

Getting ready How to do it... How it works... There's more...

Add an icon Using a list Custom layout

Displaying a progress dialog

Getting ready How to do it... How it works... There's more...

Lights, Action, and Sound Redux using Notifications

Getting ready How to do it... How it works... There's more...

Adding a button to the notification using addAction() Expanded notifications Lock screen notifications

See also

Creating a Media Player Notification

Getting ready How to do it... How it works... There's more... See also

Making a Flashlight with a Heads-Up Notification

Getting ready How to do it... How it works... There's more... See also

Notifications with Direct Reply

Getting ready How to do it... How it works... See also

Using the Touchscreen and Sensors

Introduction Listening for click and long-press events

Getting ready How to do it... How it works... There's more...

Recognizing tap and other common gestures

Getting ready How to do it... How it works... There's more... See also

Pinch-to-zoom with multi-touch gestures

Getting ready How to do it... How it works...

Swipe-to-Refresh

Getting ready How to do it... How it works... There's more...

Listing available sensors – an introduction to the Android Sensor Framework

Getting ready How to do it... How it works... There's more... See also

Reading sensor data – using Android Sensor Framework events

Getting ready How to do it... How it works... There's more...

Environment sensors Position sensors Motion sensors

See also

Reading device orientation

Getting ready How to do it... How it works... There's more...

Getting current device rotation

See also

Graphics and Animation

Introduction Scaling down large images to avoid Out of Memory exceptions

Getting ready How to do it... How it works... There's more... See also

A transition animation – defining scenes and applying a transition

Getting ready How to do it... How it works... There's more... See also

Creating a Compass using sensor data and RotateAnimation

Getting ready How to do it... How it works... There's more... See also

Creating a slideshow with ViewPager

Getting ready How to do it... How it works... There's more...

Creating a Setup Wizard

See also

Creating a Card Flip Animation with Fragments

Getting ready How to do it... How it works... See also

Creating a Zoom Animation with a Custom Transition

Getting ready How to do it... How it works... There's more...

Getting the default animation duration

See also

Displaying animated image (GIF/WebP) with the new ImageDecoder library

Getting ready How to do it... How it works... See also

Creating a circle image with the new ImageDecoder

Getting ready How to do it... How it works... There's more... See also

A First Look at OpenGL ES

Introduction Setting up the OpenGL ES environment

Getting ready How to do it... How it works...

Declaring OpenGL in the Android Manifest Extending the GLSurfaceView class Creating an OpenGL rendered class

There's more...

Drawing shapes on GLSurfaceView

Getting ready How to do it... How it works... There's more... See also

Applying the projection and camera view while drawing

Getting ready How to do it... How it works... There's more...

Moving the triangle with rotation

Getting ready How to do it... How it works... There's more...

The render mode

Rotating the triangle with user input

Getting ready How to do it... How it works... There's more... See also

Multimedia

Introduction Playing sound effects with SoundPool

Getting ready How to do it... How it works... There's more... See also

Playing audio with MediaPlayer

Getting ready How to do it... How it works... There's more...

Playing music in the background Using hardware volume keys to control your app's audio volume

See also

Responding to hardware media controls in your app

Getting ready How to do it... How it works... There's more...

Checking the hardware type

See also

Taking a photo with the default camera app

Getting ready How to do it... How it works... There's more...

Calling the default video app

See also

Taking a picture using the Camera2 API

Getting ready How to do it... How it works...

Setting up the camera preview Capturing the image

There's more... See also

Telephony, Networks, and the Web

Introduction How to make a phone call

Getting ready How to do it... How it works... See also

Monitoring phone call events

Getting ready How to do it... How it works... There's more... See also

How to send SMS (text) messages

Getting ready How to do it... How it works... There's more...

Multipart messages Delivery status notification

See also

Receiving SMS messages

Getting ready How to do it... How it works... There's more...

Reading existing SMS messages

See also

Displaying a web page in your application

Getting ready How to do it... How it works... There's more...

Controlling page navigation How to enable JavaScript Enable built-in zoom

See also

Checking online status and connection type

Getting ready How to do it... How it works... There's more...

Monitoring network state changes

See also

Phone number blocking API

Getting ready How to do it... How it works... There's more... See also

Location and Using Geofencing

Introduction How to get the device location

Getting ready How to do it... How it works... There's more...

Mock locations

See also

Resolving problems reported with the GoogleApiClient OnConnectionFailedListener

Getting ready How to do it... How it works... There's more... See also

Creating and monitoring a Geofence

Getting ready How to do it... How it works... There's more... See also

Getting Your App Ready for the Play Store

Introduction The Android 6.0 Runtime Permission Model

Getting ready How to do it... How it works... There's more... See also

How to schedule an alarm

Getting ready How to do it... How it works... There's more...

Cancel the alarm Repeating alarm

See also

Receiving notification of device boot

Getting ready How to do it... How it works... There's more... See also

Using the AsyncTask for background work

Getting ready How to do it... How it works... There's more...

Parameter types Canceling the task

See also

Adding speech recognition to your app

Getting ready How to do it... How it works... There's more... See also

How to add Google sign-in to your app

Getting ready How to do it... How it works... There's more... See also

Getting Started with Kotlin

Introduction How to create an Android project with Kotlin

Getting ready How to do it... How it works... There's more... See also

Creating a Toast in Kotlin

Getting ready How to do it... How it works... See also

Runtime permission in Kotlin

Getting ready How to do it... How it works... See also

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