If you want to learn Android, which is the most used phone platform in the world, you can do these things:
- Learn Kotlin, which is the language for Android. You can take a course like [Kotlin Bootcamp] or [Kotlin for Java Developers] to start.
- Learn how to make Android apps using Jetpack Compose, which is a new tool for making user interfaces. You can take a course like [Android Basics with Compose] or [Jetpack Compose for Android Developers] to learn how to use Compose.
- Learn how to make good and reliable apps. You can follow a pathway like [Modern Android App Architecture] to learn how to use things like Room, ViewModel, LiveData, Navigation, WorkManager, and more.
- Learn how to use more features and libraries that can make your app better and more fun. You can learn about things like accessibility, coroutines, testing, dependency injection, Firebase, Material Design, and more in the [Android Developers website] or the [Android Developers YouTube channel].
- Make your own apps and show them to others. You can also join online groups and challenges, such as [Android Dev Challenge], [Google Developer Groups], or [Stack Overflow], to get help and feedback from other developers.
If you want to learn iOS, which is the platform for iPhone and iPad devices, you can do these things:
- Learn Swift, which is the language for iOS. You can take a course like [Swift Playgrounds] or [The Swift Programming Language] to start.
- Learn how to make iOS apps using SwiftUI, which is a new tool for making user interfaces. You can take a course like [Developing Apps for iOS with SwiftUI] or [SwiftUI Essentials] to learn how to use SwiftUI.
- Learn how to make good and reliable apps. You can follow a tutorial like [iOS App Architecture] or a book like [iOS Programming: The Big Nerd Ranch Guide] to learn how to use things like MVC, MVVM, protocols, delegates, closures, extensions, and more.
- Learn how to use more features and frameworks that can make your app better and more fun. You can learn about things like accessibility, concurrency, testing, Core Data, CloudKit, UIKit, ARKit, and more in the [Apple Developer website] or the [Apple Developer YouTube channel].
- Make your own apps and show them to others. You can also join online groups and challenges, such as [Swift Student Challenge], [CocoaHeads], or [Stack Overflow], to get help and feedback from other developers.
These are some of the things you can do to learn mobile development step by step. There are many other resources and platforms that you can use too. The most important thing is to be curious, hard-working, and passionate about making great mobile apps. I hope this helps you with your question
