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

Sync database with UI

When we use CursorLoader with a content provider, the data returned in the cursor is directly connected with the data in the database in such a way that one change in the database is reflected instantly in the UI. When we have this system working, all we need to worry about is storing the data in the database and updating the data. When we have this system ready, we will discuss how to implement the popular pull to refresh system to update the job offers at the time the user wants. The goal is to add a new job offer in Parse, pull the list to refresh, and see the new element come instantly, all handled in the background through the content provider.

Implementing CursorLoader

To complete this goal, the next step is to create CursorLoader. We talked about loaders previously in the book; as we mentioned, they are a mechanism to load data in the background. This one specifically will return the data in a cursor and load it from a content provider. It will also refresh the...