更新时间：2021-07-16 17:43:19
封面
Title Page
Copyright and Credits
Android 9 Development Cookbook Third Edition
Dedication
About Packt
Why subscribe?
Packt.com
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
How to do it...
How it works...
Starting a new activity with an intent object
There's more...
Switching between activities
Passing data to another activity
Returning a result from an activity
Saving an activity's state
Storing persistent activity data
Using more than one preference file
Understanding the activity life cycle
Layouts
Defining and inflating a layout
Using RelativeLayout
Using LinearLayout
Creating tables – TableLayout and GridLayout
RecyclerView replaces ListView
