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Hands-On Android UI Development

You're reading from  Hands-On Android UI Development

Product type Book
Published in Nov 2017
Publisher Packt
ISBN-13 9781788475051
Pages 348 pages
Edition 1st Edition
Languages
Author (1):
Jason Morris Jason Morris
Profile icon Jason Morris

Table of Contents (21) Chapters

Title Page
Credits
About the Author
About the Reviewers
www.PacktPub.com
Customer Feedback
Preface
Creating Android Layouts Designing Form Screens Taking Actions Composing User Interfaces Binding Data to Widgets Storing and Retrieving Data Creating Overview Screens Designing Material Layouts Navigating Effectively Making Overviews Even Better Polishing Your Design Customizing Widgets and Layouts Activity Lifecycle
Test Your Knowledge Answers

Building layouts using grids


When building screens, it's common to want specific widgets to appear the same size and shape as other widgets. This is often achieved using flexible grid models for the layout. By dividing the screen into a number of cells, and having each widget occupy one or more cells, you can create very complex layouts that will stretch to any screen size. However, this traditional model is completely outdated when faced with ConstraintLayout, which is capable of maintaining complex relationships between widgets without the need for a grid.

 

In most situations, ConstraintLayout should be more than capable of managing any complex layout you choose to design, and will be much more flexible than a grid/table layout manager. Unlike a grid-based layout engine, ConstraintLayout is much more flexible when dealing with widgets that are sized based on a font or images that can be various sizes, depending on the physical screen size and pixel-density. While GridLayout will adjust...

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