Multitasking
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iOS 9 introduced multitasking, which allows apps to be used side by side on certain devices. Along with this came a number of new APIs for handling transitions between different screen configurations. However, integrating these new APIs in an exiting codebase can be trick, and often requires rethinking the way a component is structured. This talk will introduce multitasking, cover the new APIs available to handle different scenarios, and walk through some gotchas when adding support for multitasking into existing applications.
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Multitasking
- 1. Multitasking The Hard Way @micheletitolo Lead Software Engineer, Capital One
- 2. What We’ll Cover What are Multitasking and Adaptivity? Creating Adaptivity Tips, Tricks, and Gotchas
- 5. Adaptivity
- 10. • Launch.storyboard • Full iPad rotation • UITraitCollection Mechanics
- 11. Apps Must Use A Launch.Storyboard
- 12. Apps Must Allow Full Rotation Setting in Info.plist
- 28. Slideovers Are Still Inactive
- 31. Tools Installed Views Installed Constraints Conditional Constraint Constants
- 32. Demo
- 38. Only Constraint Constants Can Change
- 40. Autolayout
- 42. Rotation APIs
- 46. Compact == Modal
- 47. Still Can’t Be Pushed
- 48. Can Be Embedded
- 51. Also Fullscreen In Compact
- 55. UICollectionView
- 57. prepareLayout() may have incorrect traits
- 61. Bugs!
- 62. iPhone 2 NowiPhone 3.2 iOS 6 iPhone 5 iOS 9iOS 8 iPad iPhone 6/6+ iPad Pro iOS 5 iOS 7
- 63. iPhone 2 NowiPhone 3.2 iOS 6 iPhone 5 iOS 9iOS 8 iPad iPhone 6/6+ iPad Pro UIViewController iOS 5 iOS 7
- 64. iPhone 2 NowiPhone 3.2 iOS 6 iPhone 5 iOS 9iOS 8 UISplitViewController iPad iPhone 6/6+ iPad Pro UIViewController UIPopoverController iOS 5 iOS 7
- 65. iPhone 2 NowiPhone 3.2 iOS 6 iPhone 5 iOS 9iOS 8 UISplitViewController iPad iPhone 6/6+ iPad Pro UIViewController UIPopoverController UIViewController Containment iOS 5 iOS 7
- 66. iPhone 2 NowiPhone 3.2 iOS 6 iPhone 5 iOS 9iOS 8 UISplitViewController Autolayout iPad iPhone 6/6+ iPad Pro UICollectionView UIViewController UIPopoverController UIViewController Containment iOS 5 iOS 7
- 67. iPhone 2 NowiPhone 3.2 iOS 6 iPhone 5 iOS 9iOS 8 UISplitViewController Autolayout iPad iPhone 6/6+ iPad Pro UICollectionView UIViewController UIPopoverController UITraitCollection UITraitEnvironment UIViewController Containment iOS 5 iOS 7
- 68. iPhone 2 NowiPhone 3.2 iOS 6 iPhone 5 iOS 9iOS 8 UISplitViewController Autolayout iPad iPhone 6/6+ iPad Pro UICollectionView UIViewController UIPopoverController UIContentContainer UITraitCollection UITraitEnvironment UIViewController Containment iOS 5 iOS 7
- 69. iPhone 2 NowiPhone 3.2 iOS 6 iPhone 5 iOS 9iOS 8 UISplitViewController Autolayout iPad iPhone 6/6+ iPad Pro Multitasking UICollectionView UIViewController UIPopoverController UIStackView UIContentContainer UITraitCollection UITraitEnvironment UIViewController Containment iOS 5 iOS 7
- 70. UITraitCollection Support Has Been Added To Older Components
- 72. Frames Change When Size Class Changes
- 75. First Time In A New Size Class Adds Info To File
- 76. Misplaced Views In Different Size Classes
- 77. Installed Views And Constraints Only Work From Storyboards And Xibs
- 78. Conditional Constraint Constants Only Work From Storyboards And Xibs
- 79. Any x Any
- 80. Constraints Must Be Set For Any x Any Even though no devices have that size class configuration
- 82. Pick A Size Class To Use For Any x Any
- 84. UI Will Look Weird
- 87. Photo Credits • https://unsplash.com/photos/iiaXf9xmgbM • https://unsplash.com/photos/85hdWh8KtR4 • https://unsplash.com/photos/l5Tzv1alcps