https://homeostasis.scs.carleton.ca/wiki/index.php?action=history&feed=atom&title=Mobile_App_Development_2022W_Lecture_17 2026-04-06T03:23:04Z Revision history for this page on the wiki MediaWiki 1.42.1 https://homeostasis.scs.carleton.ca/wiki/index.php?title=Mobile_App_Development_2022W_Lecture_17&diff=23921&oldid=prev 2022-03-19T03:39:45Z

<p>Created page with &quot;==Video== Video from the lecture given on March 18, 2022 is now available: * [https://homeostasis.scs.carleton.ca/~soma/mad-2022w/lectures/comp1601-2022w-lec17-20220318.m4v video] * [https://homeostasis.scs.carleton.ca/~soma/mad-2022w/lectures/comp1601-2022w-lec17-20220318.cc.vtt auto-generated captions] Video is also available through Brightspace (Resources-&gt;Zoom Meetings (Recordings, etc.)-&gt;Cloud Recordings tab). Note that here you&#039;ll also see chat messages. ==Notes...&quot;</p> <p><b>New page</b></p><div>==Video==<br /> <br /> Video from the lecture given on March 18, 2022 is now available:<br /> * [https://homeostasis.scs.carleton.ca/~soma/mad-2022w/lectures/comp1601-2022w-lec17-20220318.m4v video]<br /> * [https://homeostasis.scs.carleton.ca/~soma/mad-2022w/lectures/comp1601-2022w-lec17-20220318.cc.vtt auto-generated captions]<br /> Video is also available through Brightspace (Resources-&gt;Zoom Meetings (Recordings, etc.)-&gt;Cloud Recordings tab). Note that here you&#039;ll also see chat messages.<br /> <br /> ==Notes==<br /> &lt;pre&gt;<br /> Lecture 17<br /> ----------<br /> <br /> Midterm<br /> - still grading, sorry<br /> - will set up interviews once grades are made available<br /> - will post solutions at the same time<br /> - am making them up as I grade<br /> - want to point out concepts that are commonly missed<br /> <br /> Application Icons (for launchers, etc<br /> - If you want to learn more, look up adaptive icons for Android<br /> <br /> https://developer.android.com/guide/practices/ui_guidelines/icon_design_adaptive<br /> <br /> - Basic idea<br /> - you can import an SVG or PNG into Android Studio, it will<br /> convert it to drawable resource (probably a vector)<br /> - And then it will also generate all the versions<br /> <br /> Activities are just classes that represent a set of functionality in Android<br /> - normally associated with a specific layout resource<br /> <br /> Every activity in your app has to be declared in AndroidManifest.xml<br /> - and any activity that can receive an implicit intent must<br /> have an appropriate intent filter<br /> - you can always send an explicit intent to a designated activity class<br /> <br /> Each activity is a whole screen<br /> - you can have activity fragments for portions of a screen that are reused<br /> <br /> Intent documentation<br /> https://developer.android.com/reference/android/content/Intent.html<br /> https://developer.android.com/guide/components/intents-filters<br /> <br /> <br /> After class:<br /> - finally got the web browser launching by<br /> - making sure I only sent the intent once using a boolean flag<br /> - changed the default browser to firefox (after installing firefox)<br /> - chrome just seems broken? No idea<br /> &lt;/pre&gt;</div>

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