Mobile App Dev 2021W: Tutorial 4 - Revision history

Soma at 16:27, 22 February 2021

2021-02-22T16:27:38Z

← Older revision		Revision as of 16:27, 22 February 2021
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	}		}
	</syntaxhighlight>		</syntaxhighlight>

			==Solution==

			[https://homeostasis.scs.carleton.ca/~soma/mad-2021w/solutions/tut4-solutions.txt Tutorial 4 Solutions]

Soma at 18:17, 15 February 2021

2021-02-15T18:17:24Z

← Older revision		Revision as of 18:17, 15 February 2021
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	self.position = s.location		self.position = s.location
	}		}
			}
			}


			struct ContentView_Previews: PreviewProvider {
			static var previews: some View {
			ContentView()
	}		}
	}		}
	</syntaxhighlight>		</syntaxhighlight>

Soma at 18:16, 15 February 2021

2021-02-15T18:16:25Z

← Older revision		Revision as of 18:16, 15 February 2021
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	In this tutorial you will be playing with [https://homeostasis.scs.carleton.ca/~soma/mad-2021w/code/~~1601picviewer~~-1.zip ~~1601picviewer~~-1], a simple image viewer in Swift. Note that this code has two embedded images in it, so it is a bit bigger than past ones.		In this tutorial you will be playing with [https://homeostasis.scs.carleton.ca/~soma/mad-2021w/code/picviewer-1.zip picviewer-1], a simple image viewer in Swift. Note that this code has two embedded images in it, so it is a bit bigger than past ones.

	Submit your answers by 11:59 PM on Sunday, February 21, 2021 via cuLearn. Please submit a text file following [https://homeostasis.scs.carleton.ca/~soma/mad-2021w/templates/tut4-template.txt this template]. Note that you only need to cite sources that weren't covered in lecture and aren't listed below.		Submit your answers by 11:59 PM on Sunday, February 21, 2021 via cuLearn. Please submit a text file following [https://homeostasis.scs.carleton.ca/~soma/mad-2021w/templates/tut4-template.txt this template]. Note that you only need to cite sources that weren't covered in lecture and aren't listed below.
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	==Code==		==Code==

	[https://homeostasis.scs.carleton.ca/~soma/mad-2021w/code/~~1601picviewer~~-1.zip ~~1601picviewer~~-1.zip]		[https://homeostasis.scs.carleton.ca/~soma/mad-2021w/code/picviewer-1.zip picviewer-1.zip]

	<syntaxhighlight lang="swift" line>		<syntaxhighlight lang="swift" line>

Soma: /* Questions & Tasks */

2021-02-13T17:23:11Z

Questions & Tasks

← Older revision		Revision as of 17:23, 13 February 2021
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	# Why is the moved variable needed? Why not always just set the position to the position variable?		# Why is the moved variable needed? Why not always just set the position to the position variable?
	# What's the purpose of resetState()?		# What's the purpose of resetState()?
	# Change the program so that when you single tap it switches between rotating or magnifying modes (rather than doing both at once). Make double tap reset the image. '''Hint:''' Don't try to ~~dynamically switch between the magnifying~~ and ~~rotating~~ handlers, that won't work. Instead, change how ~~they~~ work.		# Change the program so that when you single tap it switches between rotating or magnifying modes (rather than doing both at once). Make double tap reset the image. '''Hint:''' Don't try to add and remove handlers when switching between modes, that won't work. Instead, change how the magnifying and rotating handlers work.

	==Code==		==Code==

Soma at 17:16, 13 February 2021

2021-02-13T17:16:37Z

← Older revision		Revision as of 17:16, 13 February 2021
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	# Why is the moved variable needed? Why not always just set the position to the position variable?		# Why is the moved variable needed? Why not always just set the position to the position variable?
	# What's the purpose of resetState()?		# What's the purpose of resetState()?
	# Change the program so that when you single tap it switches between rotating or magnifying modes (rather than doing both at once). Make double tap reset the image. '''Hint:''' Don't ~~change what gesture~~ handlers ~~are registered~~, ~~just~~ change how they work.		# Change the program so that when you single tap it switches between rotating or magnifying modes (rather than doing both at once). Make double tap reset the image. '''Hint:''' Don't try to dynamically switch between the magnifying and rotating handlers, that won't work. Instead, change how they work.

	==Code==		==Code==

Soma: /* Key Concepts & APIs */

2021-02-11T02:09:29Z

Key Concepts & APIs

← Older revision		Revision as of 02:09, 11 February 2021
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	* [https://developer.apple.com/documentation/swiftui/image Image]		* [https://developer.apple.com/documentation/swiftui/image Image]
	* [https://developer.apple.com/documentation/swiftui/fitting-images-into-available-space Fitting images into available space]		* [https://developer.apple.com/documentation/swiftui/fitting-images-into-available-space Fitting images into available space]
	* [https://developer.apple.com/documentation/swiftui/section/scaledtofit() scaledToFit		* [https://developer.apple.com/documentation/swiftui/section/scaledtofit() scaledToFit]
	* [https://www.hackingwithswift.com/quick-start/swiftui/how-to-provide-relative-sizes-using-geometryreader GeometryReader]		* [https://www.hackingwithswift.com/quick-start/swiftui/how-to-provide-relative-sizes-using-geometryreader GeometryReader]
	* [https://developer.apple.com/documentation/swiftui/group/rotationeffect(_:anchor:) rotationEffect]		* [https://developer.apple.com/documentation/swiftui/group/rotationeffect(_:anchor:) rotationEffect]

Soma: /* Key Concepts */

2021-02-11T02:09:08Z

Key Concepts

← Older revision		Revision as of 02:09, 11 February 2021
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	Submit your answers by 11:59 PM on Sunday, February 21, 2021 via cuLearn. Please submit a text file following [https://homeostasis.scs.carleton.ca/~soma/mad-2021w/templates/tut4-template.txt this template]. Note that you only need to cite sources that weren't covered in lecture and aren't listed below.		Submit your answers by 11:59 PM on Sunday, February 21, 2021 via cuLearn. Please submit a text file following [https://homeostasis.scs.carleton.ca/~soma/mad-2021w/templates/tut4-template.txt this template]. Note that you only need to cite sources that weren't covered in lecture and aren't listed below.

	==Key Concepts==		==Key Concepts & APIs==

	* [https://help.apple.com/xcode/mac/current/#/dev10510b1f7?sub=dev8df242dec Assets & image sets]		* [https://help.apple.com/xcode/mac/current/#/dev10510b1f7?sub=dev8df242dec Assets & image sets]
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	* [https://developer.apple.com/documentation/swiftui/group/rotationeffect(_:anchor:) rotationEffect]		* [https://developer.apple.com/documentation/swiftui/group/rotationeffect(_:anchor:) rotationEffect]
	* [https://developer.apple.com/documentation/swiftui/section/scaleeffect(x:y:anchor:) scaleEffect]		* [https://developer.apple.com/documentation/swiftui/section/scaleeffect(x:y:anchor:) scaleEffect]
	* [https://developer.apple.com/documentation/swiftui/rotationgesture ~~Rotation gesture~~]		* [https://developer.apple.com/documentation/swiftui/rotationgesture RotationGesture]
	* [https://developer.apple.com/documentation/swiftui/magnificationgesture ~~Magnification gesture~~]		* [https://developer.apple.com/documentation/swiftui/magnificationgesture MagnificationGesture]
	* [https://developer.apple.com/documentation/swiftui/simultaneousgesture ~~Simultaneous gestures~~]		* [https://developer.apple.com/documentation/swiftui/simultaneousgesture SimultaneousGestures]

	==Questions & Tasks==		==Questions & Tasks==

Soma: /* Key Concepts */

2021-02-11T02:08:16Z

Key Concepts

← Older revision		Revision as of 02:08, 11 February 2021
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	* [https://developer.apple.com/documentation/swiftui/image Image]		* [https://developer.apple.com/documentation/swiftui/image Image]
	* [https://developer.apple.com/documentation/swiftui/fitting-images-into-available-space Fitting images into available space]		* [https://developer.apple.com/documentation/swiftui/fitting-images-into-available-space Fitting images into available space]
			* [https://developer.apple.com/documentation/swiftui/section/scaledtofit() scaledToFit
	* [https://www.hackingwithswift.com/quick-start/swiftui/how-to-provide-relative-sizes-using-geometryreader GeometryReader]		* [https://www.hackingwithswift.com/quick-start/swiftui/how-to-provide-relative-sizes-using-geometryreader GeometryReader]
	* [https://developer.apple.com/documentation/swiftui/group/rotationeffect(_:anchor:) ~~Rotation effect~~]		* [https://developer.apple.com/documentation/swiftui/group/rotationeffect(_:anchor:) rotationEffect]
	* [https://developer.apple.com/documentation/swiftui/section/scaleeffect(x:y:anchor:) ~~Scale effect~~]		* [https://developer.apple.com/documentation/swiftui/section/scaleeffect(x:y:anchor:) scaleEffect]
	* [https://developer.apple.com/documentation/swiftui/rotationgesture Rotation gesture]		* [https://developer.apple.com/documentation/swiftui/rotationgesture Rotation gesture]
	* [https://developer.apple.com/documentation/swiftui/magnificationgesture Magnification gesture]		* [https://developer.apple.com/documentation/swiftui/magnificationgesture Magnification gesture]

Soma: /* Key Concepts */

2021-02-11T02:06:55Z

Key Concepts

← Older revision		Revision as of 02:06, 11 February 2021
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	* [https://help.apple.com/xcode/mac/current/#/dev10510b1f7?sub=dev8df242dec Assets & image sets]		* [https://help.apple.com/xcode/mac/current/#/dev10510b1f7?sub=dev8df242dec Assets & image sets]
	* [https://developer.apple.com/documentation/swiftui/image Image]		* [https://developer.apple.com/documentation/swiftui/image Image]
			* [https://developer.apple.com/documentation/swiftui/fitting-images-into-available-space Fitting images into available space]
	* [https://www.hackingwithswift.com/quick-start/swiftui/how-to-provide-relative-sizes-using-geometryreader GeometryReader]		* [https://www.hackingwithswift.com/quick-start/swiftui/how-to-provide-relative-sizes-using-geometryreader GeometryReader]
	* [https://developer.apple.com/documentation/swiftui/group/rotationeffect(_:anchor:) Rotation effect]		* [https://developer.apple.com/documentation/swiftui/group/rotationeffect(_:anchor:) Rotation effect]

Soma at 02:05, 11 February 2021

2021-02-11T02:05:05Z

← Older revision		Revision as of 02:05, 11 February 2021
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	* [https://help.apple.com/xcode/mac/current/#/dev10510b1f7?sub=dev8df242dec Assets & image sets]		* [https://help.apple.com/xcode/mac/current/#/dev10510b1f7?sub=dev8df242dec Assets & image sets]
			* [https://developer.apple.com/documentation/swiftui/image Image]
	* [https://www.hackingwithswift.com/quick-start/swiftui/how-to-provide-relative-sizes-using-geometryreader GeometryReader]		* [https://www.hackingwithswift.com/quick-start/swiftui/how-to-provide-relative-sizes-using-geometryreader GeometryReader]
	* [https://developer.apple.com/documentation/swiftui/group/rotationeffect(_:anchor:) Rotation effect]		* [https://developer.apple.com/documentation/swiftui/group/rotationeffect(_:anchor:) Rotation effect]