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Use the private mode so the shared preferences file is accessible by only your app.<\/p>\n"},"subContentId":"a875855e-52f3-4748-b12d-071ef1621b1a","metadata":{"contentType":"Text","license":"U","title":"Untitled Text"}},"pause":false,"displayType":"poster","buttonOnMobile":false,"visuals":{"backgroundColor":"rgb(255, 255, 255)","boxShadow":true},"goto":{"url":{"protocol":"http:\/\/"},"visualize":false,"type":""},"label":""},{"x":48.75148632580262,"y":52.85412262156448,"width":10,"height":10,"duration":{"from":162.977,"to":172.977},"libraryTitle":"Text","action":{"library":"H5P.Text 1.1","params":{"text":"

Because we plan on referring back to this string value for the key in onResume, it might be wise to defined our key strings as constants (like we did with the default tax rate value).<\/p>\n\n

private static final String SHAREDPREF_KEY_COST = \"cost\";<\/p>\n"},"subContentId":"9064cc7a-8347-4525-83a5-c2a6a13841ea","metadata":{"contentType":"Text","license":"U","title":"Untitled Text"}},"pause":false,"displayType":"button","buttonOnMobile":false,"visuals":{"backgroundColor":"rgb(255, 255, 255)","boxShadow":true},"goto":{"url":{"protocol":"http:\/\/"},"visualize":false,"type":""},"label":"

Possible improvement: use constant string values<\/p>\n"},{"x":47.56242568370987,"y":63.424947145877375,"width":10,"height":10,"duration":{"from":232.785,"to":242.785},"libraryTitle":"Text","action":{"library":"H5P.Text 1.1","params":{"text":"

Ideally we want all the parent behaviour to execute first \u2014 this will make sure all the layout and views are ready for manipulation, and our Shared Preferences data store is ready as well. It might be possible that they would work prior to super.onResume(), but doing it after is logically fine and offers us additional insurance.<\/p>\n"},"subContentId":"6e17ef76-8ff1-4ec9-9e35-9898e62dc664","metadata":{"contentType":"Text","license":"U","title":"Untitled Text"}},"pause":false,"displayType":"button","buttonOnMobile":false,"visuals":{"backgroundColor":"rgb(255, 255, 255)","boxShadow":true},"goto":{"url":{"protocol":"http:\/\/"},"visualize":false,"type":""},"label":"

Why have our code after super.onResume()?<\/p>\n"},{"x":28.53745541022592,"y":61.31078224101479,"width":17.598097502972653,"height":5.231866825208086,"duration":{"from":308.188,"to":318.188},"libraryTitle":"Text","action":{"library":"H5P.Text 1.1","params":{"text":"

String.valueOf(DEFAULT_TAX_RATE) is another (arguably cleaner) way of converting this number to a string.<\/p>\n"},"subContentId":"829863c3-b7ea-406b-ab14-1ab035404a5e","metadata":{"contentType":"Text","license":"U","title":"Untitled Text"}},"pause":false,"displayType":"poster","buttonOnMobile":false,"visuals":{"backgroundColor":"rgb(255, 255, 255)","boxShadow":true},"goto":{"url":{"protocol":"http:\/\/"},"visualize":false,"type":""},"label":""},{"x":57.074606606421,"y":21.141481878136556,"width":14.268727705112962,"height":8.561236623067778,"duration":{"from":479.55,"to":489.55},"libraryTitle":"Text","action":{"library":"H5P.Text 1.1","params":{"text":"

Recall from a prior lesson we declared a constant SELF within onCreate, which provides the correct \"this\" context (the MainActivity) for the toast.<\/p>\n"},"subContentId":"946ee537-b886-4498-8471-c02ba32013cb","metadata":{"contentType":"Text","license":"U","title":"Untitled Text"}},"pause":true,"displayType":"poster","buttonOnMobile":false,"visuals":{"backgroundColor":"rgb(255, 255, 255)","boxShadow":true},"goto":{"url":{"protocol":"http:\/\/"},"visualize":false,"type":""},"label":""},{"x":87.33624454148472,"y":88.61945258652204,"width":5.065502183406114,"height":2.567446312137345,"duration":{"from":0,"to":532},"libraryTitle":"Image","action":{"library":"H5P.Image 1.1","params":{"contentName":"Image","file":{"path":"images\/file-6015acda9b6eb.png","mime":"image\/png","copyright":{"license":"U"},"width":219,"height":111}},"subContentId":"f1bfca31-f98e-46cc-b396-60df64ddbfb9","metadata":{"contentType":"Image","license":"U","title":"Untitled Image"}},"visuals":{"backgroundColor":"rgba(0,0,0,0)","boxShadow":true},"pause":false,"displayType":"poster","buttonOnMobile":false,"goto":{"url":{"protocol":"http:\/\/"},"visualize":false,"type":""},"label":""},{"x":0,"y":87.29378942261039,"width":40,"height":2.8636735807860263,"duration":{"from":529.885,"to":532},"libraryTitle":"Text","action":{"library":"H5P.Text 1.1","params":{"text":"

End of Part 2. Watch Part 3 on eConestoga (Content > Week 3)<\/p>\n"},"subContentId":"23761e50-2372-47e8-91f4-e6fb12b9c290","metadata":{"contentType":"Text","license":"U","title":"Untitled Text"}},"pause":false,"displayType":"poster","buttonOnMobile":false,"visuals":{"backgroundColor":"rgb(255, 255, 255)","boxShadow":true},"goto":{"url":{"protocol":"http:\/\/"},"visualize":false,"type":""},"label":""}],"endscreens":[{"time":532.970667,"label":"8:52 Submit screen"}]},"summary":{"task":{"library":"H5P.Summary 1.10","params":{"intro":"Choose the correct statement.","summaries":[{"subContentId":"dd58bf2d-d84c-49ac-98f3-56ad9cc6c7b0","tip":""}],"overallFeedback":[{"from":0,"to":100}],"solvedLabel":"Progress:","scoreLabel":"Wrong answers:","resultLabel":"Your result","labelCorrect":"Correct.","labelIncorrect":"Incorrect! Please try again.","alternativeIncorrectLabel":"Incorrect","labelCorrectAnswers":"Correct answers.","tipButtonLabel":"Show tip","scoreBarLabel":"You got :num out of :total points","progressText":"Progress :num of :total"},"subContentId":"505984b0-0762-4030-91b1-cd28ea4d2775","metadata":{"contentType":"Summary","license":"U","title":"Untitled Summary"}},"displayAt":3}},"override":{"autoplay":false,"loop":false,"showBookmarksmenuOnLoad":false,"showRewind10":false,"deactivateSound":false,"preventSkippingMode":"none"},"l10n":{"interaction":"Interaction","play":"Play","pause":"Pause","mute":"Mute","unmute":"Unmute","quality":"Video Quality","captions":"Captions","close":"Close","fullscreen":"Fullscreen","exitFullscreen":"Exit Fullscreen","summary":"Open summary dialog","bookmarks":"Bookmarks","endscreen":"Submit screen","defaultAdaptivitySeekLabel":"Continue","continueWithVideo":"Continue with video","playbackRate":"Playback Rate","rewind10":"Rewind 10 Seconds","navDisabled":"Navigation is disabled","sndDisabled":"Sound is disabled","requiresCompletionWarning":"You need to answer all the questions correctly before continuing.","back":"Back","hours":"Hours","minutes":"Minutes","seconds":"Seconds","currentTime":"Current time:","totalTime":"Total time:","singleInteractionAnnouncement":"Interaction appeared:","multipleInteractionsAnnouncement":"Multiple interactions appeared.","videoPausedAnnouncement":"Video is paused","content":"Content","answered":"@answered answered","endcardTitle":"@answered Question(s) answered","endcardInformation":"You have answered @answered questions, click below to submit your answers.","endcardInformationNoAnswers":"You have not answered any questions.","endcardInformationMustHaveAnswer":"You have to answer at least one question before you can submit your answers.","endcardSubmitButton":"Submit Answers","endcardSubmitMessage":"Your answers have been submitted!","endcardTableRowAnswered":"Answered questions","endcardTableRowScore":"Score","endcardAnsweredScore":"answered","endCardTableRowSummaryWithScore":"You got @score out of @total points for the @question that appeared after @minutes minutes and @seconds seconds.","endCardTableRowSummaryWithoutScore":"You have answered the @question that appeared after @minutes minutes and @seconds seconds."}}

2.6.1 Save and restore shared preferences via OnPause and OnResume - Part 2 of 3 (8m52s)

Chris Lo