https://homeostasis.scs.carleton.ca/wiki/index.php?action=history&feed=atom&title=Mobile_App_Development_2021W_Final_Exam_Review 2026-05-12T23:59:00Z Revision history for this page on the wiki MediaWiki 1.42.1 https://homeostasis.scs.carleton.ca/wiki/index.php?title=Mobile_App_Development_2021W_Final_Exam_Review&diff=23168&oldid=prev 2021-04-19T19:26:36Z

<p>Created page with &quot;==Video== Video for the review given on April 19, 2021 [https://homeostasis.scs.carleton.ca/~soma/mad-2021w/lectures/comp1601-2021w-examreview-20210419.m4v is now available]....&quot;</p> <p><b>New page</b></p><div>==Video==<br /> <br /> Video for the review given on April 19, 2021 [https://homeostasis.scs.carleton.ca/~soma/mad-2021w/lectures/comp1601-2021w-examreview-20210419.m4v is now available].<br /> <br /> ==Notes==<br /> <br /> &lt;pre&gt;<br /> COMP 1601 Final Exam review session<br /> <br /> Final exam questions come from the midterm &amp; assignments 3 &amp; 4<br /> - questions mangled to get at the same concepts but with different wording<br /> - so study by understanding key concepts behind questions<br /> I also look at the tutorials for questions, but that is a secondary source<br /> <br /> <br /> State management, difference between Android and iOS SwiftUI<br /> - iOS Storyboard and Android are very similar<br /> <br /> With SwiftUI, you have state variables<br /> - views are updated when state variables change<br /> - you don&#039;t need to think of how or when this happens,<br /> just keep the state updated, and make your views dependent on<br /> current state<br /> <br /> With Android, you manually manage state<br /> - when events happen, your code must update state based on event<br /> and then update display as needed<br /> - must structure code so display and state stay in sync<br /> <br /> <br /> When you create log messages, the device (phone) is sending out log messages that are then reported by the IDE in a log viewer window<br /> - these messages get to the IDE via a &quot;serial device&quot;<br /> - serial = one bit at a time<br /> - classically, how you connected a modem or terminal to a computer<br /> - a text terminal is a simulation of interaction with a serial device<br /> - this low-level mechanism is how things are communicated between the device and the IDE<br /> <br /> Hint: try doing cars to cows in Swift, see what happens<br /> <br /> I will be making connections between SwiftUI and Android, you should too<br /> <br /> code will only be short snippets<br /> <br /> Good to have Android and iOS dev environments accessible<br /> - but only use them after you&#039;ve answered all you can otherwise<br /> - playing with dev tools sucks up time and you only have 2 hours<br /> <br /> Code in the exam will be based on code you&#039;ve already seen<br /> - maybe with small changes<br /> <br /> compare/contrast how layout is done<br /> &lt;/pre&gt;</div>

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