Professional Android in Kotlin

Learn to design android layouts with constraint layout, card view, and text view, using the layout editor to drag and drop UI elements, set text, color, and elevation.

Explore how to display images with drawable resources in Android Kotlin by configuring ImageView properties, setting height and width constraints, margins, and alignment to achieve the final layout.

learn to add a new item to an existing recycler view adapter in Android Kotlin by using a mutable list, defining an update function, and notifying item changes.

Implement a view model in an Android Kotlin app, expose lifecycle-aware data to the main activity, and drive a to-do list UI via an adapter.

learn to use live data in an Android Kotlin app by exposing private mutable data as public live data and observing changes to refresh the user interface adapter.

Create and manage a custom coroutine scope with a background dispatcher, cancel resources automatically, and use supervisor job to prevent one failed child from canceling others.

learn to implement suspending functions in Kotlin to encapsulate network calls inside a coroutine scope, highlighting how to mark functions with suspend and call them from within coroutines.

Move the UI logic from the main activity to a new fragment, consolidating the title and layout, and use lifecycle methods like onCreate and onCreateView, noting that arguments are optional.

Create fragments programmatically in the main activity, organize them into a fragment family, and manage them with a fragment manager to ensure compatibility across older Android versions.

Learn to implement the Android navigation component by creating a navigation graph, adding fragments, and controlling navigation with a nav controller for seamless screen transitions.

Learn how to share a view model across fragments with activity view models, connect edit texts to a unified UI, and navigate between fragments using a common activity scope.

Navigate from the home screen to the edit screen, implement a singleton to manage the edit fragment, and apply reactive data flow to ensure changes appear on return.