This lesson shows you how to create a new Android project with Android. Select either Java or Kotlin from the Language drop-down menu. This name: one for the project, 'Project: My First App,' and one for the app module,.
Write better Android apps faster with Kotlin. Kotlin is a modern statically typed programming language that will boost your productivity and increase your developer happiness.
Modern and expressive
Kotlin's modern language features allow you to focus on expressing your ideas and write less boilerplate code. Less code written also means less code to test and maintain.
Safer code
Improve your app quality with Kotlin. @Nullable and @NonNull types are baked into Kotlin's type system to help you avoid NullPointerExceptions. Kotlin also has many other language features to help you avoid common programming mistakes.
Interoperable
Call Java-based code from Kotlin, or call Kotlin from Java-based code. Kotlin is 100% interoperable with the Java programming language, so you can have as little or as much of Kotlin in your project as you want.
Kotlin Bootcamp
Take this Udacity course created by Google to help get started with Kotlin. Whether you develop in the Java programming language or in another object-oriented language, this course helps teach you the essential language features that has made Kotlin so popular with developers.
Get Certified in Kotlin!
Ready to prove your proficiency with modern Kotlin development on Android to your coworkers, your LinkedIn network, or even your future employer? Earn your Associate Android Developer Certification using Kotlin.
Optimized for Kotlin
Kotlin is production-ready for your Android app development.
Android Studio
Android Studio provides first-class support for Kotlin. It even has built-in tools to help you convert Java-based code to Kotlin. The Show Kotlin Bytecode tool lets you to see the equivalent Java-based code as you learn Kotlin.
Android KTX
Android KTX makes Android development with Kotlin more concise, pleasant, and idiomatic by leveraging Kotlin language features.
Kotlin-friendly SDK
Starting with Android 9 (API level 28), the Android SDK contains nullability annotations to help avoid NullPointerExceptions. API reference documentation is also available in Kotlin.
Note: Many Kotlin reference topics are derived from Java-based source code. This means that some Kotlin reference topics might contain Java code snippets.
Learning resources
Explore a curated set of resources in various formats to help you jumpstart learning Kotlin.
Apps built with Kotlin
Many apps are already built with Kotlin—from the hottest startups to Fortune 500 companies.
Zomato uses Kotlin to write safer, more concise code
Kotlin helped Zomato reduce the number of lines of code in their app significantly, and it has also helped them find important defects in their app at compile time.
Watch Zomato's Rahul, Vice President, Product Management, and Prateek Sharma, Android Developer, talk about how Zomato started adopting Kotlin and about how they now use it for all new feature releases.
Kotlin is free and open
Kotlin is a free and open source project under the Apache 2.0 license. Its development and distribution as free software is secured by the Kotlin Foundation. Our choice of Kotlin reaffirms our commitment to an open developer ecosystem as we evolve and grow the Android platform, and we are excited to see the language evolve.
Try Kotlin
Take the interactive tutorials for Kotlin right in your web browser.
Official Language Reference
Start learning Kotlin from the official language reference site.
Android + Kotlin on Medium
Technical articles on Kotlin from the Android team.
Android Codelabs in Kotlin
Learn the latest best practices and APIs with Android Codelabs in Kotlin.
There are hundred types of languages in the world and some of them is very common and famous and can be understand by millions of peoples but when we want to make even more effective and user friendly android application then we need to choose the most common user friendly gate way that is called as Make an android app which can support different type of langues. If our android app support various type of common langues then it can be used by more peoples. So here is the complete step by step tutorial for Create Android App With Multiple Language Support Example Tutorial.
What we are doing in project: We are creating an android app which can automatically detect android mobile phone default system language and according to that it will change its language same as device language. But there is one condition it will be change in only when you have defined that particular another language in your app, So read all the below institutions very carefully.
List of most common used languages ISO codes with strings.xml folder path.
Source : https://goo.gl/vcliIY
Note : As you can see above table shows us all the folder structure of string.xml file which we have to create manually inside our project to make our android app supported by that particular language.
Screenshot of project after creating languages folder :
How to Create Android App With Multiple Language Support Example Tutorial.
Code for MainActivity.java file.
Code for activity_main.xml layout file.
Code for values/strings.xml file .
Code for values-fr/strings.xml file.
Code for values-hi/strings.xml file.
Code for values-ja/strings.xml file.
Screenshot in English Language :
Screenshot in French Language :
Screenshot in Hindi Language :
Screenshot in Japanese Language :
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