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Android Programming with Kotlin for Beginners

Android Programming with Kotlin for Beginners

By : John Horton
3.7 (19)
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Android Programming with Kotlin for Beginners

Android Programming with Kotlin for Beginners

3.7 (19)
By: John Horton

Overview of this book

Android is the most popular mobile operating system in the world and Kotlin has been declared by Google as a first-class programming language to build Android apps. With the imminent arrival of the most anticipated Android update, Android 10 (Q), this book gets you started building apps compatible with the latest version of Android. It adopts a project-style approach, where we focus on teaching the fundamentals of Android app development and the essentials of Kotlin by building three real-world apps and more than a dozen mini-apps. The book begins by giving you a strong grasp of how Kotlin and Android work together before gradually moving onto exploring the various Android APIs for building stunning apps for Android with ease. You will learn to make your apps more presentable using different layouts. You will dive deep into Kotlin programming concepts such as variables, functions, data structures, Object-Oriented code, and how to connect your Kotlin code to the UI. You will learn to add multilingual text so that your app is accessible to millions of more potential users. You will learn how animation, graphics, and sound effects work and are implemented in your Android app. By the end of the book, you will have sound knowledge about significant Kotlin programming concepts and start building your own fully featured Android apps.
Table of Contents (31 chapters)
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30
Index

Running the app

You can now run the app and enter a new note, as shown in this next screenshot:

Running the app

After you have entered several notes of several types, the list (RecyclerView) will look something like this next screenshot:

Running the app

And, if you click to view one of the notes, it will look like this:

Running the app

Note

Reader challenge

We could have spent more time formatting the layouts of our two dialog windows. Why not refer to Chapter 5, Beautiful Layouts with CardView and ScrollView, as well as the Material Design website, https://material.io/design/, and do a better job than this. Furthermore, you could enhance the RecyclerView list of notes by using CardView instead of LinearLayou t.

Don't spend too long adding new notes, however, because there is a slight problem: close and restart the app. Uh oh, all the notes are gone!

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