This document outlines an Android Study Jam session on introducing Kotlin. It provides information on prerequisites, learning objectives, and the agenda. The session will introduce participants to Kotlin basics and have them complete the Android Basics in Kotlin course over 3 days. Certificates of participation and completion will be provided upon finishing the workshop and course.

1. This work is licensed under the Apache 2.0 License
Android Study Jam 1
Day 1
Session 1 - Introduction to Kotlin
Mayuresh Kulkarni
@mayuresh8181 ( instagram )
Speakers

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० Basic computer literacy
० Basic math skills
० Any One Language
० (Optional) Android device & USB cable
Prerequisites

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What is Android Study Jam?
Android Study Jams are community-organized study groups for
people to learn how to build Android apps in the Kotlin
programming language, using the curriculum provided by Google.

4. Certificate of Participation
[Your Name]
For Attending a Three Day Workshop on Android
through Android Study Jams
Signed & Verified By
[ Location Name ] - 08/21/2021
[ Facilitator Name ]

5. Certificate of Completion
[Your Name]
For completion of the Android Basics in Kotlin Course
through the Android Study Jams program
Signed & Verified By
[ Location Name ] - 08/21/2021
[ Facilitator Name ]

6. This work is licensed under the Apache 2.0 License
Learning Objectives
० Learn the basics of the Kotlin programming language
० Discover resources to continue learning
० Build your first Android app

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Let’s get started!

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Create your Developers Profile at
https://developers.google.com/profile

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Android Basics
in Kotlin Course

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Unit 1: Kotlin
Basics
For Android

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A Pathway

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Take a Quiz

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Earn badges!

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Developer profile
Carrie Sawyer
Photo by Christopher Campbell on Unsplash

15. This work is licensed under the Apache 2.0 License
What will you learn?
2
3
4
1 Introduction to
Kotlin
Create your first
Android app
Build a basic layout
Add a button to an app (3 hours)
(1 hour)
(2 hours)
(1 hour)
Learn to code in Kotlin, a modern programming
language that helps developers be more productive.
Learn to create and run your first Android app in
Android Studio.
Learn the basics of layouts in Android by creating your
very own birthday card app!
Learn how to use classes, objects, and conditionals to
create an interactive dice roller app.
Badges
Earn badges
at the end of each
pathway!
Android Basics in Kotlin

16. This work is licensed under the Apache 2.0 License
What will you learn?
6
5 Get user input
Display a scrollable
list
(2 hours)
(3 hours)
Learn how to get user input within an app by building a
tip calculator app.
Learn how to display a list of text and images in an
app.
Badges
Android Basics
7
Navigate between
screens
(2 hours)
Add another screen to your app by adding a
second activity.
8
Intro to Navigation
Component
(1 hour)
Learn how the Jetpack Navigation component makes
it easier to manage navigation within your app.

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What will you learn?
10
9 Architecture
Components
Advanced
navigation examples
(2 hours)
(2 hours)
Learn good app architecture principles by building a
game app to unscramble words.
Combine what you’ve learned so far in a more
advanced app that demonstrates navigating
between multiple screens.
Badges
Android Basics
11 Coroutines Write code for more advanced and complex
Android apps.
(1 hour)
12 Get and display data from
the internet
Retrieve and display images over the internet with
HTTP and REST.
(1 hour)

18. This work is licensed under the Apache 2.0 License
What will you learn?
14
13 Introduction to SQL,
Room, and Flow
Use Room for data
persistence
(1 hour)
(2 hours)
Learn the basics of reading and manipulating data with
SQL, and how to create and use relational databases
in an Android app with the Room library.
Use the Room library to allow your apps to read
and write from a database.
Badges
Android Basics
15
Learn when and how to use WorkManager, an API that
handles background work that needs to run regardless
of whether the application process is still running.
Schedule tasks with
WorkManager
(1 hour)

19. This work is licensed under the Apache 2.0 License
History of
Kotlin

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What is Kotlin?

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Kotlin v/s Java
Which one to use?

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public class ClearBridge {
public static double calculate (double a, String op, double b)
throws Exception {
switch (op) {
case "add":
return a + b;
case "subtract":
return a - b;
case "multiply":
return a * b;
case "divide":
return a / b;
default:
throw new Exception();
}
}
}
Simple Arithmetic Program -
Java

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fun calculate (a: Double, op: String, b: Double):
Double {
when (op) {
"add" -> return a + b
"subtract" -> return a - b
"multiply" -> return a * b
"divide" - > return a / b
else -> throw Exception()
}
}
Simple Arithmetic Program - Kotlin

24. This work is licensed under the Apache 2.0 License
Some important stuff…

25. This work is licensed under the Apache 2.0 License
Write and run Kotlin
code in the browser
Kotlin Playground

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Official tool to build Android apps
Android Studio

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Android Emulator / Real
Device
Emulate an Android device on your computer.
Run your app on the emulator / Run On Your
Original Device

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Let’s Write Some
Kotlin Code

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Writing Code in Kotlin
Printing some statements
fun main() {
println("no line break")
println("")
println("with line n break")
}

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Writing Code in Kotlin
Declaring Variables in Kotlin
val age = 19 // Defining as val can’t be changed later
var name = "jaydeep" // Defining as var can be changed later

31. This work is licensed under the Apache 2.0 License
Writing Code in Kotlin
Printing a Variable
Syntax: ${variable}
E.g. println("Hey! My name is ${name}")

32. This work is licensed under the Apache 2.0 License
Switch to Kotlin
Playground