Book Image

Learning Android Application Development

By : Raimon Ràfols Montane, Laurence Dawson
Book Image

Learning Android Application Development

By: Raimon Ràfols Montane, Laurence Dawson

Overview of this book

The mobile app market is huge. But where do you start? And how you can deliver something that takes Google Play by storm? This guide is the perfect route into Android app development – while it’s easy for new apps to sink without a trace, we’ll give you the best chance of success with practical and actionable guidance that will unlock your creativity and help you put the principles of Android development into practice. From the fundamentals and getting your project started to publishing your app to a huge market of potential customers, follow this guide to become a confident, creative and reliable mobile developer. Get to grips with new components in Android 7 such as RecyclerView, and find out how to take advantage of automated testing, and, of course, much, much more. What are you waiting for? There’s never been a better time – or a better way – to get into Android app development.
Table of Contents (16 chapters)
Learning Android Application Development
Credits
About the Author
About the Reviewers
www.PacktPub.com
Preface

Widely used third-party libraries


We will see some of the most widely used libraries for handling images. These libraries have been developed and contributed by many developers and they will simplify our code, take care of all the underlying details, and reduce our application development time.

Glide

In order to use Glide, we have to add it to the dependencies section of our build.gradle file:

dependencies { 
  compile 'com.github.bumptech.glide:glide:3.7.0' 
  compile 'com.android.support:support-v4:23.2.1' 
} 

If our application is obfuscated, we need to add some lines to our proguard configuration, otherwise we will have some errors while the application is running:

-keep public class * implements com.bumptech.glide.module.GlideModule 
-keep public enum com.bumptech.glide.load.resource.bitmap.ImageHeaderParser$** { 
  **[] $VALUES; 
  public *; 
} 

We can simply use Glide to load images, either remote or local, to an ImageView.Glide will take care...