Kotlin Tutoial

• Introduction to Kotlin
• Kotlin Environment setup for Command Line
• Kotlin Environment setup with Intellij IDEA
• Hello World program in Kotlin

Basics

• Kotlin Data Types
• Kotlin Variables
• Kotlin Operators
• Kotlin Standard Input/Output
• Kotlin Type Conversion
• Kotlin Expression, Statement and Block

Control Flow

• Kotlin if-else expression
• Kotlin while loop
• Kotlin do-while loop
• Kotlin for loop
• Kotlin when expression
• Kotlin Unlabeled break
• Kotlin labeled break
• Kotlin unlabeled continue
• Kotlin labeled continue

Array & String

• Kotlin Array
• Kotlin String

Functions

• Kotlin functions
• Kotlin | Default and Named argument
• Kotlin Recursion
• Kotlin Tail Recursion
• Lambdas Expressions and Anonymous Functions
• Kotlin Inline functions
• Kotlin infix function notation
• Kotlin Higher-Order Functions

Collections

• Kotlin Collections
• Kotlin list : Arraylist
• Kotlin list : listOf()
• Kotlin Set : setOf()
• Kotlin mutableSetOf()
• Kotlin hashSetOf()
• Kotlin Map : mapOf()
• Kotlin Hashmap

OOPs Concept

• Kotlin Class and Objects
• Kotlin Nested class and Inner class
• Kotlin Setters and Getters
• Kotlin | Class Properties and Custom Accessors
• Kotlin Constructor
• Kotlin Visibility Modifiers
• Kotlin Inheritance
• Kotlin Interfaces
• Kotlin Data Classes
• Kotlin Sealed Classes
• Kotlin Abstract class
• Enum classes in Kotlin
• Kotlin extension function
• Kotlin generics

Exception Handling

• Kotlin Exception Handling | try, catch, throw and finally
• Kotlin Nested try block and multiple catch block

Null Safety

• Kotlin Null Safety
• Kotlin | Type Checking and Smart Casting
• Explicit type casting

Regex & Ranges

• Kotlin Regular Expression
• Kotlin Ranges

Java Interoperability

• Java Interoperability - Calling Kotlin from Java
• Java Interoperability - Calling Java from Kotlin

Miscellaneous

• Kotlin annotations
• Kotlin Reflection
• Kotlin Operator Overloading
• Destructuring Declarations in Kotlin
• Equality evaluation in Kotlin
• Comparator in Kotlin
• Triple in Kotlin
• Pair in Kotlin
• Kotlin | apply vs with

Android

• Kotlin Android Tutorial
• How to create project in Android Studio using Kotlin
• How to install Android Virtual Device(AVD)
• Android Animations in Kotlin
• Android Fade In/Out in Kotlin
• Android Menus
• Android progress notifications in Kotlin
• Android Project folder Structure

How to create project in Android Studio using Kotlin

Creating a new Android project using Kotlin in Android Studio is quite straightforward. Here's a step-by-step guide to creating a basic Android app with Kotlin in Android Studio:

Prerequisites:

1. Make sure you have Android Studio installed. If not, you can download it from the official website: https://developer.android.com/studio
2. Ensure your Android Studio is updated, and you have an internet connection, as it might need to download certain components during the process.

Steps:

1. Start Android Studio: Open Android Studio.

2. Create a New Android Studio Project:

   • Click on "Start a new Android Studio project".
   • Choose a project template. For this tutorial, let's go with the "Empty Activity" template which is a blank canvas.
   • Click "Next".

3. Configure Your App:

   • Enter a name for your application in the "Name" field.
   • Enter a "Package name", which acts as a unique identifier for your app.
   • If you have a particular save location in mind, set it in the "Save location" field.
   • Choose a language: Select "Kotlin" from the drop-down menu.
   • Set the "Minimum API level" for your app. If you're unsure, you can go with API 21: Android 5.0 (Lollipop) as a reasonable choice for covering a vast majority of Android devices.
   • Click "Finish".

4. Wait for the Project to Load: Android Studio might take a moment to build your project, download necessary dependencies, and set everything up.

5. Examine the Project Structure: Once loaded, in the project explorer to the left, you will notice a few Kotlin files:

   • MainActivity.kt �C This is your main activity file where you can add code for your primary screen.
   • activity_main.xml �C This is the layout file for your main activity. Here, you can design the UI for your main screen.

6. Run Your App:

   • To test your app, you'll need an Android device or an emulator. If you don't have a device, you can set up an emulator by clicking on "AVD Manager" on the top-right of Android Studio, then creating a new Virtual Device.
   • Once your device or emulator is set up, click the green "Run" (play) button on the top toolbar.
   • Choose your device or emulator, and your app will launch, showing the default "Hello World" TextView.

7. Edit and Explore: Now, you can start adding your code, designing your layouts, and exploring more of what Android and Kotlin have to offer!

Android Studio provides a lot of resources, tutorials, and templates right out of the box. As you get more familiar with the environment, you'll discover many tools and options to aid your app development journey.