Description
Mobile Application Development for iOS
Goals
• Explore Xcode and build an app with text input fields
• Explore UIKit documentation
Assignments
1. Create a simple Shopping List app. The screens should be similar to the ones below. The
left is showing the initial screen, and the right is showing the screen of the app after 2
items have been added to the shopping list.
2. The New List button will create a new empty shopping list. The contents of the current
shopping list will be lost.
3. The New Item button will clear any content in the two text fields.
4. The text field next to Description allows you to type the description of an item to be
added to the shopping list. The action button on the soft keyword should dismiss the
keyboard.
5. The text field next to Quantity allows you to type the quantity of an item to be added to
the shopping list. It should use a numeric keypad to input the numbers. The keypad
should be dismissed with a tap in the background.
6. The Add button adds a new item to the shopping list based on the description and
quantity in the text fields. The contents of the shopping should be displayed in the
lower portion of the screen, one line per item, as shown in the screenshot above. The
items should be in the order in which they are entered.
7. You should use auto layout for this assignment.
8. You should check for any invalid input in the text fields, when the Add button is
tapped. You should ensure that neither input is empty, and the quantity field is an
integer. An alert popup should be displayed when invalid input is found, and no item
will be added when the input is invalid.
9. Always remember to follow all the conventions and write high quality, easy to read
code.
10. Make sure your program
a. builds without errors or warnings, and
b. runs without crashing
