Android uses (Extensible Markup Language) to define layouts. The most flexible layout is the ConstraintLayout . Example: A Simple Button and Text In activity_main.xml , you might define: TextView : To display a greeting. Button : To trigger an action.
The logic resides in MainActivity.kt . This class is the entry point of your app. Steps to Connect UI to Code: : This function runs when the app starts. Build A Simple Android App With Kotlin
Building a simple Android app involves synchronizing layout files with Kotlin logic. While this example is basic, the foundation——remains the same for complex professional applications. Mastering Kotlin’s syntax will significantly reduce the amount of "boilerplate" code needed compared to older languages like Java. Add Jetpack Compose (the modern way to build UI) Include Data Storage (how to save user input) Android uses (Extensible Markup Language) to define layouts