Hands-On Android UI Development电子书

Title Page

Copyright

Hands-On Android UI Development

Credits

About the Author

About the Reviewers

www.PacktPub.com

Why subscribe?

Customer Feedback

Preface

What this book covers

What you need for this book

Who this book is for

Conventions

Reader feedback

Customer support

Downloading the example code

Errata

Piracy

Questions

Creating Android Layouts

Material Design

Android Studio

Android application structure

Creating SimpleLayout

Discovering the layout editor

Organizing project files

Summary

Designing Form Screens

Exploring form screens

Designing a layout

Creating a form layout

Creating the description box

Adding the amount and date inputs

Creating the category chooser

Making icons change with state

Creating the category picker layout

Adding the attachment preview

Try it yourself

Test your knowledge

Summary

Taking Actions

Understanding Android event requirements

Listening for some events

Wiring the CaptureClaimActivity events

Handling events from other activities

Making events quick

Multiple event listeners

Test your knowledge

Summary

Composing User Interfaces

Designing a modular layout

Creating the DatePickerLayout

Creating the data model

Creating the Attachment class

Creating the Category enum

Creating the ClaimItem class

Wrapping up the category picker

Creating the Attachment Pager

Creating the Attachment preview widget

Creating the Attachment Pager Adapter

Creating the Create Attachment Command

Creating the Attachment Pager Fragment

Capturing the ClaimItem data

Try it yourself

Test your knowledge

Summary

Binding Data to Widgets

Exploring data models and widgets

The Observer pattern

Enabling data binding

Data binding a layout file

Creating an Observable model

Establishing the AllowanceOverviewFragment

Creating the AllowanceOverview layout

Updating the SpendingStats class

Data binding and fragments

Test your knowledge

Summary

Storing and Retrieving Data

Data storage in Android

Using the SQLite database

Introducing Room

Adding Room to the project

Creating an Entity model

Creating the Data Access Layer

The LiveData class

Implementing Data Access Objects in Room

Creating a database

Accessing your Room database

Test your knowledge

Summary

Creating Overview Screens

Designing an Overview screen

Elements of an Overview screen

Creating layouts for ViewHolders

Creating a simple ViewHolder class

Creating a ViewHolder with data binding

Creating a RecyclerView adapter

Data binding an adapter

Creating the Overview activity

Creating new ClaimItems with a Fragment

Allowance overview with a Room database

Test your knowledge

Summary

Designing Material Layouts

Looking at material structure

Introducing CoordinatorLayout

Coordinating the Overview Screen

Swiping to delete

Elevating widgets

Building layouts using grids

Stack view

Test your knowledge

Summary

Navigating Effectively

Planning navigation

Tabbed navigation

Bottom tabs navigation

Navigation menus

Navigating using Fragments

Test your knowledge

Summary

Making Overviews Even Better

Multiple view types

Introducing dividers

Updating by Delta Events

Test your knowledge

Summary

Polishing Your Design

Choosing colors and theming

Producing an application palette

Generating palettes dynamically

Adding animations

Creating custom animations

Activating more animations

Creating custom styles

Test your knowledge

Summary

Customizing Widgets and Layouts

Creating custom view implementations

Integrating the SpendingGraphView

Creating a layout implementation

Creating animated views

Test your knowledge

Apply your knowledge

Summary

Activity Lifecycle

Test Your Knowledge Answers

Chapter 2 - Designing Form Screens

Chapter 3 - Taking Actions

Chapter 4 - Composing User Interface

Chapter 5 - Binding Data to Widgets

Chapter 6 - Storing and Retrieving Data

Chapter 7 - Creating Overview Screens

Chapter 8 - Designing Material Layouts

Chapter 9 - Navigating Effectively

Chapter 10 - Making Overviews Even Better

Chapter 11 - Polishing Your Design

Chapter 12 - Customizing Widgets and Layouts