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1249UIApplicationDelegate launch responsibilities
1250UISceneDelegate window lifecycle
1251Scene configuration and multiple windows
1252UIViewController loadView ownership
1253ViewDidLoad versus viewWillAppear work
1254ViewIsAppearing geometry-safe updates
1255ViewWillLayoutSubviews versus viewDidLayoutSubviews
1256View controller containment addChild sequence
1257Appearance forwarding in custom containers
1258UINavigationController stack management
1259UINavigationItem back button behavior
1260UITabBarController configuration
1261UISplitViewController column adaptation
1262UISheetPresentationController detents
1263UIPopoverPresentationController anchoring
1264UIPageViewController data source
1265UISearchController presentation context
1266UIActivityViewController item sources
1267UIContentUnavailableConfiguration empty states
1268Custom view controller presentation styles
1269Unwind segues and storyboard transitions
1270Storyboard references and dependency injection
1271Coordinator ownership of view controllers
1272State restoration with scene sessions
1273UIView frame bounds and center
1274UIView intrinsicContentSize invalidation
1275UIView drawing versus layer backing
1276UILabel attributed content and truncation
1277UITextField delegate editing validation
1278UITextView TextKit integration
1279UIButton.Configuration state updates
1280UIAction closures for control events
1281UIControl subclass tracking lifecycle
1282UISwitch value change events
1283UISlider continuous versus discrete updates
1284UIStepper wraparound and bounds
1285UISegmentedControl content distribution
1286UIDatePicker styles and locale
1287UIColor dynamic providers
1288UIImage symbol configurations
1289UIImageView content modes
1290UIProgressView observed progress
1291UIActivityIndicatorView lifecycle
1292UIStackView arranged subview removal
1293UIScrollView content and frame layout guides
1294UIRefreshControl target actions
1295UIPageControl interaction customization
1296UIMenu deferred elements
1297UIContextMenuInteraction previews
1298UIPointerInteraction targeted regions
1299TranslatesAutoresizingMaskIntoConstraints behavior
1300NSLayoutAnchor type-safe constraints
1301Constraint activation in batches
1302Constraint priority conflict resolution
1303Content hugging priorities
1304Compression resistance priorities
1305Ambiguous versus unsatisfiable layouts
1306UILayoutGuide reusable geometry
1307SafeAreaLayoutGuide constraints
1308ReadableContentGuide text widths
1309LayoutMarginsGuide directional insets
1310System spacing anchor methods
1311Constraint multipliers versus constants
1312Animating constraints with layoutIfNeeded
1313Self-sizing views with systemLayoutSizeFitting
1314UILayoutPriority fittingSizeLevel
1315Trait collection size class adaptation
1316RegisterForTraitChanges lifecycle
1317UIContentSizeCategory scaling
1318UIFontMetrics custom font scaling
1319KeyboardLayoutGuide tracking
1320Keyboard avoidance for floating keyboards
1321Auto Layout debugging identifiers
1322Visual Format Language for legacy layouts
1323Layout performance in deeply nested stacks
1324UITableView style and section index behavior
1325UITableViewCell reuse identifiers
1326Cell registration and dequeue configuration
1327UITableViewDataSource row model mapping
1328UITableViewDelegate selection handling
1329Self-sizing table cells and estimated heights
1330UIListContentConfiguration text and images
1331UIBackgroundConfiguration selection styling
1332Cell configuration update handlers
1333Preparing reusable cells for async content
1334Table header and footer sizing
1335Custom section headers and footers
1336Table prefetch data source cancellation
1337Table editing insertion and deletion
1338Swipe action confirmation flows
1339Row reordering with stable model identity
1340Batch updates and consistency assertions
1341UITableViewDiffableDataSource snapshots
1342ReconfigureItems versus reloadItems
1343Section snapshots versus table snapshots
1344Table selection restoration
1345Scroll-to-row timing after updates
1346Embedded table view height measurement
1347Index paths as locations not identity
1348UICollectionView cell registrations
1349UICollectionView supplementary registrations
1350UICollectionView content configurations
1351UICollectionViewFlowLayout sizing
1352Flow layout invalidation contexts
1353UICollectionViewCompositionalLayout sections
1354NSCollectionLayoutSize fractional dimensions
1355NSCollectionLayoutItem content insets
1356NSCollectionLayoutGroup horizontal and vertical groups
1357Custom compositional groups
1358NSCollectionLayoutSection orthogonal scrolling
1359Boundary supplementary item pinning
1360Decoration item backgrounds
1361Visible items invalidation handlers
1362Compositional layout environment adaptation
1363UICollectionLayoutListConfiguration appearances
1364Outline lists with section snapshots
1365UICollectionViewDiffableDataSource identifiers
1366Applying diffable snapshots safely
1367Diffable supplementary view providers
1368Hierarchical snapshot expand and collapse
1369Interactive collection reordering handlers
1370Collection drag and drop delegates
1371Prefetching images for collection cells
1372UICollectionView custom layout attributes
1373Custom layout prepare and content size
1374Layout transitions and invalidation
1375Selection accessories and disclosure indicators
1376Cell registration pitfalls inside data source callbacks
1377Diffable snapshot update performance
1378UIGestureRecognizer delegate arbitration
1379Gesture recognizer failure requirements
1380UIPanGestureRecognizer translation handling
1381UIScreenEdgePanGestureRecognizer navigation
1382UIResponder chain action dispatch
1383First responder and input accessory views
1384UIKeyCommand discoverability titles
1385UIFocusEnvironment preferred focus
1386UITextInputTraits autofill support
1387UIEditMenuInteraction edit actions
1388UIDragInteraction data providers
1389UIDropInteraction session proposals
1390UIViewControllerAnimatedTransitioning contract
1391UIViewControllerInteractiveTransitioning progress
1392UIPercentDrivenInteractiveTransition cancellation
1393Custom presentation controller dimming views
1394UIViewPropertyAnimator scrubbing
1395UIViewPropertyAnimator interruption handling
1396UIAccessibility custom actions
1397UIAccessibilityContainer ordering
1398UIAccessibilityCustomRotor navigation
1399Accessibility notifications for screen changes
1400Accessibility identifiers for automation
1401Large content viewer in custom controls

1249UIApplicationDelegate launch responsibilities
1250UISceneDelegate window lifecycle
1251Scene configuration and multiple windows
1252UIViewController loadView ownership
1253ViewDidLoad versus viewWillAppear work
1254ViewIsAppearing geometry-safe updates
1255ViewWillLayoutSubviews versus viewDidLayoutSubviews
1256View controller containment addChild sequence
1257Appearance forwarding in custom containers
1258UINavigationController stack management
1259UINavigationItem back button behavior
1260UITabBarController configuration
1261UISplitViewController column adaptation
1262UISheetPresentationController detents
1263UIPopoverPresentationController anchoring
1264UIPageViewController data source
1265UISearchController presentation context
1266UIActivityViewController item sources
1267UIContentUnavailableConfiguration empty states
1268Custom view controller presentation styles
1269Unwind segues and storyboard transitions
1270Storyboard references and dependency injection
1271Coordinator ownership of view controllers
1272State restoration with scene sessions
1273UIView frame bounds and center
1274UIView intrinsicContentSize invalidation
1275UIView drawing versus layer backing
1276UILabel attributed content and truncation
1277UITextField delegate editing validation
1278UITextView TextKit integration
1279UIButton.Configuration state updates
1280UIAction closures for control events
1281UIControl subclass tracking lifecycle
1282UISwitch value change events
1283UISlider continuous versus discrete updates
1284UIStepper wraparound and bounds
1285UISegmentedControl content distribution
1286UIDatePicker styles and locale
1287UIColor dynamic providers
1288UIImage symbol configurations
1289UIImageView content modes
1290UIProgressView observed progress
1291UIActivityIndicatorView lifecycle
1292UIStackView arranged subview removal
1293UIScrollView content and frame layout guides
1294UIRefreshControl target actions
1295UIPageControl interaction customization
1296UIMenu deferred elements
1297UIContextMenuInteraction previews
1298UIPointerInteraction targeted regions
1299TranslatesAutoresizingMaskIntoConstraints behavior
1300NSLayoutAnchor type-safe constraints
1301Constraint activation in batches
1302Constraint priority conflict resolution
1303Content hugging priorities
1304Compression resistance priorities
1305Ambiguous versus unsatisfiable layouts
1306UILayoutGuide reusable geometry
1307SafeAreaLayoutGuide constraints
1308ReadableContentGuide text widths
1309LayoutMarginsGuide directional insets
1310System spacing anchor methods
1311Constraint multipliers versus constants
1312Animating constraints with layoutIfNeeded
1313Self-sizing views with systemLayoutSizeFitting
1314UILayoutPriority fittingSizeLevel
1315Trait collection size class adaptation
1316RegisterForTraitChanges lifecycle
1317UIContentSizeCategory scaling
1318UIFontMetrics custom font scaling
1319KeyboardLayoutGuide tracking
1320Keyboard avoidance for floating keyboards
1321Auto Layout debugging identifiers
1322Visual Format Language for legacy layouts
1323Layout performance in deeply nested stacks
1324UITableView style and section index behavior
1325UITableViewCell reuse identifiers
1326Cell registration and dequeue configuration
1327UITableViewDataSource row model mapping
1328UITableViewDelegate selection handling
1329Self-sizing table cells and estimated heights
1330UIListContentConfiguration text and images
1331UIBackgroundConfiguration selection styling
1332Cell configuration update handlers
1333Preparing reusable cells for async content
1334Table header and footer sizing
1335Custom section headers and footers
1336Table prefetch data source cancellation
1337Table editing insertion and deletion
1338Swipe action confirmation flows
1339Row reordering with stable model identity
1340Batch updates and consistency assertions
1341UITableViewDiffableDataSource snapshots
1342ReconfigureItems versus reloadItems
1343Section snapshots versus table snapshots
1344Table selection restoration
1345Scroll-to-row timing after updates
1346Embedded table view height measurement
1347Index paths as locations not identity
1348UICollectionView cell registrations
1349UICollectionView supplementary registrations
1350UICollectionView content configurations
1351UICollectionViewFlowLayout sizing
1352Flow layout invalidation contexts
1353UICollectionViewCompositionalLayout sections
1354NSCollectionLayoutSize fractional dimensions
1355NSCollectionLayoutItem content insets
1356NSCollectionLayoutGroup horizontal and vertical groups
1357Custom compositional groups
1358NSCollectionLayoutSection orthogonal scrolling
1359Boundary supplementary item pinning
1360Decoration item backgrounds
1361Visible items invalidation handlers
1362Compositional layout environment adaptation
1363UICollectionLayoutListConfiguration appearances
1364Outline lists with section snapshots
1365UICollectionViewDiffableDataSource identifiers
1366Applying diffable snapshots safely
1367Diffable supplementary view providers
1368Hierarchical snapshot expand and collapse
1369Interactive collection reordering handlers
1370Collection drag and drop delegates
1371Prefetching images for collection cells
1372UICollectionView custom layout attributes
1373Custom layout prepare and content size
1374Layout transitions and invalidation
1375Selection accessories and disclosure indicators
1376Cell registration pitfalls inside data source callbacks
1377Diffable snapshot update performance
1378UIGestureRecognizer delegate arbitration
1379Gesture recognizer failure requirements
1380UIPanGestureRecognizer translation handling
1381UIScreenEdgePanGestureRecognizer navigation
1382UIResponder chain action dispatch
1383First responder and input accessory views
1384UIKeyCommand discoverability titles
1385UIFocusEnvironment preferred focus
1386UITextInputTraits autofill support
1387UIEditMenuInteraction edit actions
1388UIDragInteraction data providers
1389UIDropInteraction session proposals
1390UIViewControllerAnimatedTransitioning contract
1391UIViewControllerInteractiveTransitioning progress
1392UIPercentDrivenInteractiveTransition cancellation
1393Custom presentation controller dimming views
1394UIViewPropertyAnimator scrubbing
1395UIViewPropertyAnimator interruption handling
1396UIAccessibility custom actions
1397UIAccessibilityContainer ordering
1398UIAccessibilityCustomRotor navigation
1399Accessibility notifications for screen changes
1400Accessibility identifiers for automation
1401Large content viewer in custom controls

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Lesson 1388 of 2,511·13. UIKit Application EngineeringFree lesson

UIDragInteraction data providers

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