Application runs by taking input from the user where the user needs to enter the price and select a percentage discount option below. After selecting the the percentage discount option the user will click on calculate button and the application will return the result.
The initial screen will look like this.
If the user Clicks the calculate button without providing any valid deetails error message will be shown in the form of Toast Message.
If user enters everything correctly the final result will be calculated and shown as displayed in the Image.
Application is created using layout files, and strings.xml to create the user interface.
To build the UI,
tasks:1. The string values used for all the labels used in this application.
tasks:2. Use the “Hint” attribute to set the “Enter Ticket Price” grayed out hint in the EditView of the input field for the ticket price.
tasks:3. The radio group provides selection of discounts 5%, 10%, 15%, 20% and 50%.
tasks:4. Clicking on the “Calculate” button
:a.If the ticket price is empty or is not a valid number you should show a Toast message indicating that the number should be a valid positive number.
:b.If the ticket price is entered correctly, the discounted price should be calculated based on the selected discount percentage, and the result should be shown in front of the “Discounted Price”
tasks:5. Clicking the “Clear” button should clear the form and bring it back to the initial state..