Kotlin - Tips, Tricks, and Techniques [Video]

Kotlin - Tips, Tricks, and Techniques [Video]

By : Nigel Henshaw

Buy this Video

Kotlin - Tips, Tricks, and Techniques [Video]

By: Nigel Henshaw

Buy this Video

Overview of this book

<p>Do you want to see an increase in your productivity as an Android developer? With this course, you will discover new possibilities with Kotlin and improve your app development process.</p> <p>In this course, you will work with interesting tools and techniques on examples which you can adopt straightaway. You will speed up your development with less coding and get faster results. By the end of this course, you will be able to write faster, cleaner code and make your life easy as a Kotlin developer.</p> <p>The code bundle for this video course is available at - <a href="https://github.com/PacktPublishing/Kotlin-Tips-Tricks-and-Techniques" target="_blank">https://github.com/PacktPublishing/Kotlin-Tips-Tricks-and-Techniques</a></p> <h2>Style and Approach</h2> <p>A comprehensive course packed with step-by-step instructions, working examples, and helpful tips and techniques on working with Kotlin. This course is divided into clear chunks so you can learn at your own pace and focus on your own area of interest.</p>

Free Chapter

Techniques to Reduce Development Time and Code

The Course Overview

Using an Expression Body to Reduce a Function to a Single Line

Making Code More Readable with when Blocks

Simplifying Functions with Named Arguments and Default Parameters

Using Extension Functions and Properties to Add More Features

Multiple Method Calls on an Object for Easier Readability

Tips to Make Code More Robust and Error-Free

Using let for Handling Null Expressions

Kotlin Methods for Eliminating Nulls from a Collection

Using Singletons for Thread Safe Code

Tips to Create and Use Classes Easier and Faster

Simplifying Class Properties with Constructor Parameters

Using Secondary Constructors for Additional Flexibility

Implementing Custom Behavior for Fields for Adding Functionality

Using Object Expressions for Thread Safe Calls

Using Companion Objects to Replace Java Static Fields

Features to Use to Support Functional Programming

Using Lambdas to Simplify Defining Functions

Using Higher Order Functions for Clean Code Abstraction

Using Immutable Collections to Support Safe Multithreading

Using Filter and Map to Quickly Manipulate Collections

Using Data Classes to Conveniently Package and Protect Data

Optimizations to Improve App Startup and Performance

Using the Kotlin Bytecode Tool to Observe Additional Overhead

Using Late and Lazy Properties to Delay Initialization

Inlining Higher Order Functions to Avoid Additional Java Calls

Applying const to Companion Object Properties to Avoid Generating Extra Methods

Using Sequences to Avoid Creating Temporary Lists

KTX Extensions for Easier Access to Android APIs

Using Core KTX Module for Easier Use of Android APIs

Using SQLite KTX Module to Simplify Database Transactions

Using Fragment KTX Module to Simplify Fragment Transactions

Using Collection KTX Module for Extensive Collection Support

Using Work KTX Module for Simplifying Asynchronous Requests

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Chapter 2

Tips to Make Code More Robust and Error-Free

Section 2

Using let for Handling Null Expressions

Using the standard If condition to check for null makes the code verbose and unnecessarily long. A solution will be provided for handling the null expression in a clearer, more concise way. - Replace the If condition with let to make your code more concise - Combine let with Elvis for returning default values - Run the code and confirm that let returns same result

Kotlin - Tips, Tricks, and Techniques [Video]

By : Nigel Henshaw

Kotlin - Tips, Tricks, and Techniques [Video]

By: Nigel Henshaw

Overview of this book

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Kotlin - Tips, Tricks, and Techniques [Video]