Mobile App Dev 2022W: Assignment 2 - Revision history

Soma at 15:38, 2 March 2022

2022-03-02T15:38:29Z

← Older revision		Revision as of 15:38, 2 March 2022
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	}		}
	</syntaxhighlight>		</syntaxhighlight>

			==Solutions==

			[https://homeostasis.scs.carleton.ca/~soma/mad-2022w/solutions/comp1601-assign2-sol.txt Assignment 2 Solutions]

Soma: /* Questions */

2022-02-14T18:44:57Z

Questions

← Older revision		Revision as of 18:44, 14 February 2022
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	# [1] Explain how to add [https://upload.wikimedia.org/wikipedia/commons/6/6f/Male_fawn_Boxer_undocked.jpg this image from Wikipedia] to the image list under the name "Boxer".		# [1] Explain how to add [https://upload.wikimedia.org/wikipedia/commons/6/6f/Male_fawn_Boxer_undocked.jpg this image from Wikipedia] to the image list under the name "Boxer".
	# [2] What name is added to the menu if we manually enter a URL and select "Remember Image"? Why? Explain with an example.		# [2] What name is added to the menu if we manually enter a URL and select "Remember Image"? Why? Explain with an example.
	# [2] There is an image URL on line 63. When is this image displayed during normal program operation? Why?		# [2] There is an image URL on line 63, in getImage(). When is this image displayed during normal program operation? Why?
	# [2] If you delete line 28 and instead replace line 20 with "var imageNames = [String] (images.keys)", the program will compile and run. Will it function any differently? Why?		# [2] If you delete line 28 and instead replace line 20 with "var imageNames = [String] (images.keys)", the program will compile and run. Will it function any differently? Why?
	# [2] Why does the program have both currentAmount and finalAmount for implementing the magnification gesture? Specifically, how does the program behave if we use finalAmount in the onChanged handler and do nothing in the onEnded handler of magnifying?		# [2] Why does the program have both currentAmount and finalAmount for implementing the magnification gesture? Specifically, how does the program behave if we use finalAmount in the onChanged handler and do nothing in the onEnded handler of magnifying?

Soma: /* Questions */

2022-02-14T18:44:36Z

Questions

← Older revision		Revision as of 18:44, 14 February 2022
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	# [1] Explain how to add [https://upload.wikimedia.org/wikipedia/commons/6/6f/Male_fawn_Boxer_undocked.jpg this image from Wikipedia] to the image list under the name "Boxer".		# [1] Explain how to add [https://upload.wikimedia.org/wikipedia/commons/6/6f/Male_fawn_Boxer_undocked.jpg this image from Wikipedia] to the image list under the name "Boxer".
	# [2] What name is added to the menu if we manually enter a URL and select "Remember Image"? Why? Explain with an example.		# [2] What name is added to the menu if we manually enter a URL and select "Remember Image"? Why? Explain with an example.
	# [2] There is an image URL on line 67. When is this image displayed during normal program operation? Why?		# [2] There is an image URL on line 63. When is this image displayed during normal program operation? Why?
	# [2] If you delete line 28 and instead replace line 20 with "var imageNames = [String] (images.keys)", the program will compile and run. Will it function any differently? Why?		# [2] If you delete line 28 and instead replace line 20 with "var imageNames = [String] (images.keys)", the program will compile and run. Will it function any differently? Why?
	# [2] Why does the program have both currentAmount and finalAmount for implementing the magnification gesture? Specifically, how does the program behave if we use finalAmount in the onChanged handler and do nothing in the onEnded handler of magnifying?		# [2] Why does the program have both currentAmount and finalAmount for implementing the magnification gesture? Specifically, how does the program behave if we use finalAmount in the onChanged handler and do nothing in the onEnded handler of magnifying?

Soma at 03:52, 11 February 2022

2022-02-11T03:52:43Z

← Older revision		Revision as of 03:52, 11 February 2022
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	~~'''This assignment is still being developed.'''~~

	Please answer all of the following questions in the [https://homeostasis.scs.carleton.ca/~soma/mad-2022w/templates/comp1601-assign2-template.txt supplied template]. Your uploaded file should be named "comp1601-assign2-<i>MCOname</i>.txt" where MCOname is your MyCarletonOne username (i.e., the username you use to login to Brightspace) and it should be a UNIX text file (LF line endings).		Please answer all of the following questions in the [https://homeostasis.scs.carleton.ca/~soma/mad-2022w/templates/comp1601-assign2-template.txt supplied template]. Your uploaded file should be named "comp1601-assign2-<i>MCOname</i>.txt" where MCOname is your MyCarletonOne username (i.e., the username you use to login to Brightspace) and it should be a UNIX text file (LF line endings).

Soma at 03:52, 11 February 2022

2022-02-11T03:52:14Z

← Older revision		Revision as of 03:52, 11 February 2022
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	'''This assignment is still being developed.'''		'''This assignment is still being developed.'''

	Please answer all of the following questions in the [https://homeostasis.scs.carleton.ca/~soma/mad-2022w/templates/comp1601-~~assign1~~-template.txt supplied template]. Your uploaded file should be named "comp1601-assign2-<i>MCOname</i>.txt" where MCOname is your MyCarletonOne username (i.e., the username you use to login to Brightspace) and it should be a UNIX text file (LF line endings).		Please answer all of the following questions in the [https://homeostasis.scs.carleton.ca/~soma/mad-2022w/templates/comp1601-assign2-template.txt supplied template]. Your uploaded file should be named "comp1601-assign2-<i>MCOname</i>.txt" where MCOname is your MyCarletonOne username (i.e., the username you use to login to Brightspace) and it should be a UNIX text file (LF line endings).

	<b>You may use [https://homeostasis.scs.carleton.ca/~soma/mad-2022w/validators/a2-validator.html this validator page] to make sure your answer file is properly named and formatted.</b>		<b>You may use [https://homeostasis.scs.carleton.ca/~soma/mad-2022w/validators/a2-validator.html this validator page] to make sure your answer file is properly named and formatted.</b>

Soma at 03:48, 11 February 2022

2022-02-11T03:48:49Z

← Older revision		Revision as of 03:48, 11 February 2022
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	'''This assignment is still being developed.'''		'''This assignment is still being developed.'''

			Please answer all of the following questions in the [https://homeostasis.scs.carleton.ca/~soma/mad-2022w/templates/comp1601-assign1-template.txt supplied template]. Your uploaded file should be named "comp1601-assign2-<i>MCOname</i>.txt" where MCOname is your MyCarletonOne username (i.e., the username you use to login to Brightspace) and it should be a UNIX text file (LF line endings).

			<b>You may use [https://homeostasis.scs.carleton.ca/~soma/mad-2022w/validators/a2-validator.html this validator page] to make sure your answer file is properly named and formatted.</b>

			The questions are based on [https://homeostasis.scs.carleton.ca/~soma/mad-2022w/code/remotePicViewer2/ContentView.swift remotePicViewer2], which is an enhanced version of remotePicViewer from [[Mobile App Dev 2022W: Tutorial 4\|Tutorial 4]]. There are 11 questions worth 20 points total.

			Do not turn in modified applications. Instead, when answering code writing questions, include code snippets and explain how they should be used to modify the application. Use complete sentences when answering. ''Be sure to list collaborators and outside sources that you used.''

			Submit your answers via Brightspace by February 18, 2021 by 11:59 PM.

	==Questions==		==Questions==

Soma: /* Questions */

2022-02-11T03:46:37Z

Questions

← Older revision		Revision as of 03:46, 11 February 2022
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	# [2] The dragging gesture handler (lines 127-137) has both an onChanged and onEnded handler that have exactly the same code in them. What does their code do? How does the program function with just one or the other?		# [2] The dragging gesture handler (lines 127-137) has both an onChanged and onEnded handler that have exactly the same code in them. What does their code do? How does the program function with just one or the other?
	# [1] How does the program's behavior change if we replace line 90 with ".onTapGesture(count: 3, perform: tapReset)"?		# [1] How does the program's behavior change if we replace line 90 with ".onTapGesture(count: 3, perform: tapReset)"?
	~~# [2] Is the images dictionary mutable or immutable? How do you know?~~
	# [2] When typing in a new URL, when is AsyncImage updated? Does it try loading the URL as you type, or does it wait until the URL is fully entered? Explain briefly.		# [2] When typing in a new URL, when is AsyncImage updated? Does it try loading the URL as you type, or does it wait until the URL is fully entered? Explain briefly.
	# [2] How could you change the program so that the double click zoom command only zooms in three times and on the fourth it goes back to a magnification of 1 (no zoom)? Your solution shouldn't add any new variables.		# [2] How could you change the program so that the double click zoom command only zooms in three times and on the fourth it goes back to a magnification of 1 (no zoom)? Your solution shouldn't add any new variables.

Soma: /* Questions */

2022-02-11T03:44:53Z

Questions

← Older revision		Revision as of 03:44, 11 February 2022
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	# [2] Is the images dictionary mutable or immutable? How do you know?		# [2] Is the images dictionary mutable or immutable? How do you know?
	# [2] When typing in a new URL, when is AsyncImage updated? Does it try loading the URL as you type, or does it wait until the URL is fully entered? Explain briefly.		# [2] When typing in a new URL, when is AsyncImage updated? Does it try loading the URL as you type, or does it wait until the URL is fully entered? Explain briefly.
			# [2] How could you change the program so that the double click zoom command only zooms in three times and on the fourth it goes back to a magnification of 1 (no zoom)? Your solution shouldn't add any new variables.
			# [2] How does the program's behavior change if you move lines 86 and 89 to just before 83? Why?

	==[https://homeostasis.scs.carleton.ca/~soma/mad-2022w/code/remotePicViewer2/ContentView.swift Code: remotePicViewer2 ContentView.swift]==		==[https://homeostasis.scs.carleton.ca/~soma/mad-2022w/code/remotePicViewer2/ContentView.swift Code: remotePicViewer2 ContentView.swift]==

Soma: /* Questions */

2022-02-11T03:34:06Z

Questions

← Older revision		Revision as of 03:34, 11 February 2022
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	# [1] How does the program's behavior change if we replace line 90 with ".onTapGesture(count: 3, perform: tapReset)"?		# [1] How does the program's behavior change if we replace line 90 with ".onTapGesture(count: 3, perform: tapReset)"?
	# [2] Is the images dictionary mutable or immutable? How do you know?		# [2] Is the images dictionary mutable or immutable? How do you know?
			# [2] When typing in a new URL, when is AsyncImage updated? Does it try loading the URL as you type, or does it wait until the URL is fully entered? Explain briefly.

	==[https://homeostasis.scs.carleton.ca/~soma/mad-2022w/code/remotePicViewer2/ContentView.swift Code: remotePicViewer2 ContentView.swift]==		==[https://homeostasis.scs.carleton.ca/~soma/mad-2022w/code/remotePicViewer2/ContentView.swift Code: remotePicViewer2 ContentView.swift]==

Soma: /* Questions */

2022-02-11T03:32:18Z

Questions

← Older revision		Revision as of 03:32, 11 February 2022
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	# [2] The dragging gesture handler (lines 127-137) has both an onChanged and onEnded handler that have exactly the same code in them. What does their code do? How does the program function with just one or the other?		# [2] The dragging gesture handler (lines 127-137) has both an onChanged and onEnded handler that have exactly the same code in them. What does their code do? How does the program function with just one or the other?
	# [1] How does the program's behavior change if we replace line 90 with ".onTapGesture(count: 3, perform: tapReset)"?		# [1] How does the program's behavior change if we replace line 90 with ".onTapGesture(count: 3, perform: tapReset)"?
			# [2] Is the images dictionary mutable or immutable? How do you know?

	==[https://homeostasis.scs.carleton.ca/~soma/mad-2022w/code/remotePicViewer2/ContentView.swift Code: remotePicViewer2 ContentView.swift]==		==[https://homeostasis.scs.carleton.ca/~soma/mad-2022w/code/remotePicViewer2/ContentView.swift Code: remotePicViewer2 ContentView.swift]==