ibmmtr / diceroller Goto Github PK

1. Before you begin In this codelab, you will create a Dice Roller Android app where users can click a Button in the app to roll a dice. The outcome of the roll will be shown in a TextView on the screen.

You will use the Layout Editor in Android Studio to build your app layout, and then write Kotlin code for what happens when the Button is clicked.

Prerequisites How to create and run a "Hello, World!" app in Android Studio. Familiar with using TextViews in an app. How to modify the attributes of a TextView in the Layout Editor. How to extract text into a string resource to make it easier to translate your app and reuse strings. Kotlin programming basics What you'll learn How to add a Button to an Android app. How to add behavior for when a Button is tapped in the app. How to open and modify the Activity code of an app. How to display a Toast message. How to update the contents of a TextView while the app is running. What you'll build A Dice Roller Android app that has a Button to roll a dice and updates the text on the screen with the result of the roll. What you need A computer with Android Studio installed. Here is what the app will look like when you have completed this codelab.