50 Projects in 50 Days : Android App Development I Kotlin

Create an Android Studio toast message demo by starting a new project, setting compile sdk 35, and designing a centered title and button in main XML to show a toast.

Create a main activity Kotlin file, reference a button with findViewById, and display a short toast message hello from the toast message on button click.

Create a simple Android counter app in Android Studio by configuring the activity XML with a vertical layout, a large white counter starting at zero, and plus and minus buttons.

Create the Kotlin main activity, link the text view and buttons with find view by id, initialize a counter at zero, and update the display on plus and minus clicks.

This session focuses on testing our project by running the app and verifying the simple counter's core functionality, including increasing and decreasing numbers.

Create a text input and display Android app in Android Studio, building a layout with a title, input field, display button, and a display text view.

Create main activities Kotlin file, wire up edit text input, button, and text view, implement on click to display user input in the text view, and test.

Learn to display an image from a URL in an Android app by building a project in Android Studio, enabling internet permission, and wiring a load image button.

Build an Android image view app in Kotlin that loads image from a URL via a button, decodes it on a background coroutine, and updates image view on main thread.

Build a checkbox toggle app in Android Studio. Create a main activity XML layout with a centered title, three checkboxes and a button to display chosen options.

Wire main activity Kotlin file for a checkbox toggle app, handle button clicks, collect checked options into a list, and show a toast with the selected options.

Create a radio button group in android studio by configuring the main activity xml, adding a title and a three-option radio group with a capture button.

Developers create the main activity Kotlin file, initialize the radio group and button, and display a toast with the selected option or a no option message.

Create a five-star rating bar demo in Android Studio, featuring a 0.5 step size, pink tint, live rating display, and a responsive constraint layout.

Open the main activities Kotlin file, create variables for the rating bar, text view, and button, and set listeners to update the text view and show the rating via toasts.

Create a seek bar slider demo in Android Studio to learn using a seek bar in a Kotlin Android app, setting max 100 and initial progress 50 with orange styling.

Create an interactive Android SeekBar demo in Kotlin by linking UI elements, updating a text view with the current progress, and showing the value via a toast on button click.

learn to build a simple addition calculator in android studio by creating the main activity xml with a title, two number inputs, an add button, and a result display.

Develop a simple addition calculator in Android Kotlin by wiring main activity with two edit texts, an add button, a result text view, and input validation with toasts.