Book Image

Mastering Android Application Development

By : Antonio Pachon
Book Image

Mastering Android Application Development

By: Antonio Pachon

Overview of this book

There are millions of Android apps out there for people to download – how do you make sure yours has the edge? It’s not always about innovation and ideas – the most successful apps are those that are able to satisfy customer demands – they’re the ones that look the best, the fastest, and the easiest and most intuitive to use. This book shows you how to create Android applications that do precisely that – it has been designed help you consider and answer those questions throughout the development process, so you can create applications that stand out against the crowd. Learn how to create exemplary UIs that contribute to a satisfying user experience through the lens of Material Design, and explore how to harness the range of features within the Android SDK to help you. Dive deeper into complex programming concepts and discover how to leverage concurrency and navigate memory management and image handling. You’ll also find further guidance on testing and debugging so you can guarantee that your application is reliable and robust for users. Beyond this you’ll find out how to extend your app and add greater functionality, including notifications, location services, adverts and app billing (essential if you want to properly monetize your creation!). To make sure you have confidence at every stage in the process, the book also shows you how to release your app to the Play store – to make sure your maximising your efforts to create a popular Android application!
Table of Contents (19 chapters)
Mastering Android Application Development
About the Author
About the Reviewers

Chapter 8. Databases and Loaders

In this chapter, we will create a SQLite database following a database contract and perform read/write operations using a database called DAO (Data Access Object). We will also explain the difference between a query and a raw query.

You will learn what a content provider is and how to create it, which will allow us to make this database accessible from CursorLoader. We will access the content provider through a content resolver and query different tables of the database at the same time, and you will learn how to use a join query in a content provider.

With CursorLoader , we'll be able to synchronize a list view with a database by creating a mechanism, where if we store or modify any data in the database, the changes will automatically be reflected in our view.

To finish, we will add the popular feature pull to refresh in order to update the content on demand. So, in this chapter, the following topics will be covered:

  • Creating the database

    • Database Contract

    • Database...