In the Project tab, click res > values > strings.xml. In this codelab, you extend this feature with a text field that lets the app calculate a custom tip percentage and round the tip amount. In the current implementation, the percentage of the tip is hardcoded to 15%. The app automatically calculates and displays the tip amount. Open the Tip Time project in Android Studio and run the app on an emulator or a device.The app calculates and displays the tip amount in a Text composable. The Bill amount text box lets the user enter the cost of the service. This codelab begins with the Tip Time app from the previous codelab Intro to state in Compose, which provides the user interface needed to calculate a tip with a fixed tip percentage. You can browse the code in the Tip Time GitHub repository. Note: The starter code is in the state branch of the downloaded repository. $ cd basic-android-kotlin-compose-training-tip-calculator To get started, download the starter code:Īlternatively, you can clone the GitHub repository for the code: $ git clone The solution code from the Intro to state in Compose codelab.A Tip Time app that calculates tip amounts based on the user's inputted bill amount and tip percentage.What a Switch composable is and how to use it.How to add an action button to a virtual keyboard. Knowledge of the remember() function, state, state hoisting, and the difference between stateful and stateless composable functions.
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