4. Adding, Deleting, and Filtering Reminders

[NEULiee]

• [x] Adding and Deleting Reminders
• [x] Filtering Reminders

Adding and Deleting Reminders

[NEULiee]

Adding and Deleting Reminders

Learned

1. Create an Add Action

   • [weak Self] 를 클로저의 capture list에 추가하여 reminder view controller가 reminder list view controller에 대한 강력한 참조를 capture하고 저장하지 못하도록 합니다.

2. Connect the Target-Action Pair

   • UIBarButtonItem.accessibility~~~
   • accessibilityLabel voiceOver 사용자들은 이 값을 듣게됩니다

3. Add a New Reminder to the Model

4. Delete a Reminder

   • swipe-to-delete

   • UISwipeActionsConfiguration(style:, title:) style의 background 속성을 설정하여 custom할 수 있습니다.

   • UICollectionViewLayoutListConfiguration

     • leadingSwipeActionsConfigurationProvider
       • trailingSwipeActionsConfigurationProvider

   블로그

[NEULiee]

Filtering Reminders

1. Create a List Style Enumeration

   • Locale.current.calendar.isDateInToday(_ date:) 오늘이면 True

2. Filter Reminders by List Style

3. Display a Segmented Control

   • UISegmentedControl

4. Add Action to Segmented Control

   • UISegmentedControl.addTarget(_:action:for:)

UISegmentedControl - 블로그

Quiz

Q. Which UISegmentedControl property identifies the index of the segment that the user most recently selected? A. selectedSegmentIndex

Q. Which method loops over a collection and returns an array that contains only those elements that satisfy a condition? A. filter(_:)

Q. What is the value of priority in this code snippet?

enum TaskPriority: Int {
   case low
   case medium
   case high
   case urgent
}

let priority = TaskPriority(rawValue: 3) ?? .low

A. TaskPriority.urgent