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Mastering High Performance with Kotlin

You're reading from   Mastering High Performance with Kotlin Overcome performance difficulties in Kotlin with a range of exciting techniques and solutions

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Product type Paperback
Published in Jun 2018
Publisher Packt
ISBN-13 9781788996648
Length 316 pages
Edition 1st Edition
Languages
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Author (1):
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Igor Kucherenko Igor Kucherenko
Author Profile Icon Igor Kucherenko
Igor Kucherenko
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Toc

Optimizing Access to Properties

Properties are class members that hold values and define rules for reading and writing those values. In Kotlin, the properties of a class represent the current state of an instance of that class. A typical class with properties looks like this:

class Button {

var text: String = TODO()

var backgroundColor: Int = TODO()

var onClickListener: ((Button) -> Unit)? = null

}

We can use this class to create objects and set values for the text, backgroundColor, and onClickListener properties. A combination of these properties in one object represents the state of an instance of the Button class.

In this chapter, we'll cover the following topics:

  • Fields and properties

  • Code inspection

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