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  • Book Overview & Buying Learning Android Application Development
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Learning Android Application Development

Learning Android Application Development

By : Raimon Ràfols Montane, Laurence Dawson
2.7 (3)
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Learning Android Application Development

Learning Android Application Development

2.7 (3)
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 (11 chapters)
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Adapters

We have been using adapters already to populate our ListView, but we have only seen one kind of adapter and there are many. In this section, we will introduce the most common adapters and how they can be used. We will also cover performance optimization, as it is one of the critical topics when talking about lists.

ArrayAdapter

We have already introduced ArrayAdapter in all our previous examples and we know, quite clearly, how to use it. However, if we would like to use it with a more complex view than TextView, we can easily do so by overriding the getView(int, View, ViewGroup) method and returning the desired kind of view, as shown in the following screenshot:

ArrayAdapter

First, we will start by creating the layout resource file that we would like to use for each list item. Once we have done that, we will have to modify the code to use this new layout and set the texts to the right views.

The code to do this is shown in the following screenshot:

ArrayAdapter

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Learning Android Application Development
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