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Kotlin Programming Cookbook

You're reading from   Kotlin Programming Cookbook Explore more than 100 recipes that show how to build robust mobile and web applications with Kotlin, Spring Boot, and Android

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Product type Paperback
Published in Jan 2018
Publisher
ISBN-13 9781788472142
Length 434 pages
Edition 1st Edition
Languages
Tools
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Authors (2):
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Aanand Shekhar Roy Aanand Shekhar Roy
Author Profile Icon Aanand Shekhar Roy
Aanand Shekhar Roy
Rashi Karanpuria Rashi Karanpuria
Author Profile Icon Rashi Karanpuria
Rashi Karanpuria
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Toc

Table of Contents (16) Chapters Close

Preface 1. Installation and Working with Environment FREE CHAPTER 2. Control Flow 3. Classes and Objects 4. Functions 5. Object-Oriented Programming 6. Collections Framework 7. Handling File Operations in Kotlin 8. Anko Commons and Extension Function 9. Anko Layouts 10. Databases and Dependency Injection 11. Networking and Concurrency 12. Lambdas and Delegates 13. Testing 14. Web Services with Kotlin 15. Other Books You May Enjoy

Creating Android dialogs with Anko


One of the really great features of Anko library is that it can help you create alert dialog quite easily and with much less code.

In this recipe, we will see how to create alert dialogs in Anko.

Getting ready

I'll be using Android Studio to write code. You also need to include the Anko library by adding the following lines to your build.gradle file:

 compile "org.jetbrains.anko:anko:$anko_version"

You can find the source code in the 2-creating-dialogs-using-anko branch of the https://gitlab.com/aanandshekharroy/Anko-examples/ repository.

How to do it…

Let's follow the mentioned steps to create a dialog in Kotlin:

  1. In the first example, we will try to create a simple alert box. To create it, you just need to follow this syntax:
alert("A simple alert","Alert") {

        }.show()
  1. If you try to run it, you will see something like this:
  1. There are certain situations where you want the user to perform some actions, and so Anko provides you the methods for it. Check out...
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