Learning Android app development may seem like a daunting task, but it can open up a huge world of possibilities.

Resources

• Why to choose Android: CLICK HERE

• Languages to learn for Android : CLICK HERE

Android app development in Kotlin

• Understanding Kotlin:https://classroom.udacity.com/courses/ud9011
• Android Basics in Kotlin :https://developer.android.com/courses
• Android Dev for Intermediate(Highly recommended): https://classroom.udacity.com/courses/ud9012
• SQLite Databse for Android in Kotlin :Javatpoint
• There are many udemy paid courses but can be legally available for free. (For Udemy coupons and course downloads, visit https://www.onlinecourses.ooo, visit https://udemyfreecourses.org/, visit Ttorial)

Android App development in Java

• Build your First android project from scratch: CLICK HERE
• Android Dev for Advanced :https://classroom.udacity.com/courses/ud855
• Complete Android with java from basic to advanced :- Drive Link

Augmented Reality in Android

ARCore is Google’s platform for building Augmented Reality experiences. It uses your mobile device for motion tracking, environmental understanding, and light estimation. With these three capabilities, ARCore can build an understanding of the real world around the device.

• AR quick start :- https://developers.google.com/ar/develop/java/quickstart
• AR Opensource basic project:- Click here
• Youtube playlist from Scratch(Recommended):- Playlist

Youtube Channels

• Coding With Tea https://www.youtube.com/channel/UCnKhcV7frITmrYbIU5MrMZw
• Telusko https://www.youtube.com/watch?v=I6rkwJed-HY
• Smartherd Playlist for Kotlin
• Firebase:-
• 1) Basic Firestore and Realtime Database queries Yt channel
• 2) FCM Yt channel

Documentation

• You can anyway stay updated to the latest librabries coming in Android by visiting Official Documentation for Android