Kotlin for Android: Best Practices

1h 14mIntermediate2019-05-10

Authors

Chiu-Ki Chan

Android Developer, Speaker, Teacher

Course details

Kotlin is a popular programming language, and for good reason; it’s pragmatic, fun, and officially supported by Google as an Android development language. In this course, discover how to leverage the power of Kotlin when developing Android mobile apps. Instructor Chiu-Ki Chan shares best practices for working with some of this popular language’s most helpful features. Discover how to dynamically fetch the value of a property with getter, use Kotlin Android extensions, work with scope functions, and format your strings with string templates. Plus, see how to use the Android KTX extensions from Google to make your Android code more readable.

Learning objectives
What’s special about Kotlin?
Converting your Java code into Kotlin
Using the lateinit keyword
Scope functions
Kotlin Android extensions
Using the elvis operator
Functional programming
Android KTX

Skills covered

KotlinAndroid DevelopmentMobile DevelopmentProgramming LanguagesOpen SourceSoftware DevelopmentOne-Off

Concepts

0. Introduction

01 - Kotlin best practices for Android
02 - What you should know

1. From Java to Kotlin

03 - Kotlin language features
04 - EditorConfig

2. Properties and Fields

05 - Auto convert and the operator
06 - On-demand property - Getters
07 - Lazy initialization - lazy()
08 - Late initialization - lateinit
09 - Kotlin Android extensions

3. Conditionals

10 - Elvis operator
11 - Scope functions - let
12 - Scope functions - apply
13 - The when expression
14 - Sealed classes

4. Readability

15 - Data class
16 - String templates
17 - Functional programming - map, reduce
18 - Functional programming - find, filter
19 - Functional programming - all, Any
20 - Android KTX

Conclusion

21 - Next steps