Application development is that the process of making a computer virus or a group of programs to perform the various tasks that a business requires. From calculating monthly expenses to scheduling sales reports, applications help businesses automate processes and increase efficiency. Every app-building process follows an equivalent steps: gathering requirements, designing prototypes, testing, implementation, and integration.
This is that the official channel from the developer team behind Android. Besides short update videos about the newest changes on the Android platform and Android Studio, you'll mainly find recordings of talks from events just like the Android Dev Summit or Google I/O here. It’s an excellent source to remain up so far with the Android world, but you don’t need to watch all of their videos!
Mitch has several bigger tutorials on his channel where he teaches the way to build real applications, like an Instagram clone or a Google maps app, mixed with some shorter bite-sized tutorials
Codetutor features a lot of videos about important Android fundamentals like activities, services, broadcast receivers, and content providers.
Reso Coder tons of short and concise tutorials about IntelliJ IDEA and Android Studio features, tips, and tricks.
Team Smartheard creates plenty of high-quality content — mostly about Android, but also about other topics like node.js or programing language fundamentals (Java, Kotlin, Dart etc). just like the other channels on this list, the knowledge they teach are well researched and presented during a concise and understandable way.