Android Bazaar and Conference Diverse 2021 Winter

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ARIYAMA Keiji - σδλϧிAndroidʢΞϓϦʣΤϯδχΞ / ༗ݶձࣾγʔϦε୅ද COCOA 1.4.0 ো֐͸  ͳͥى͖ͨͷ͔ 1

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༗ࢁܓೋʢ"3*:".",FJKJʣ σδλϧி"OESPJEʢΞϓϦʣΤϯδχΞ   $-*4$0 -5%୅ද Photo : Koji MORIGUCHI (MORIGCHOWDER) !LFJKJ@BSJZBNB keiji "OESPJEΞϓϦ։ൃऀ

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໔੹ࣄ߲ Disclaimer 3 ຊࢿྉͷ಺༰͸ɺ ٕज़৘ใͷఏڙΛ௨ٕͨ͡ज़తͳίϛϡχέʔγϣϯΛ໨తͱ͓ͯ͠Γɺ ॴଐ·ͨ͸ؔ༩͢Δ૊৫ͷެࣜݟղɺํ਑౳Λड़΂Δ΋ͷͰ͸͋Γ·ͤΜɻ

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઀৮֬ೝΞϓϦ COVID-19 Contact-Con fi rming Application https://www.mhlw.go.jp/stf/seisakunitsuite/bunya/cocoa_00138.html ʠްੜ࿑ಇল͸ɺ৽ܕίϩφ΢Πϧεײછ঱ͷ֦େ๷ࢭʹ ࢿ͢ΔΑ͏ɺ৽ܕίϩφ΢Πϧεײછ঱ରࡦςοΫνʔϜͱ ࿈ܞͯ͠ɺ৽ܕίϩφ΢Πϧε઀৮֬ೝΞϓϦʢ$0$0" ˞ʣΛ։ൃ͠·ͨ͠ɻࣗ͝਎ͷεϚʔτϑΥϯʹΠϯετʔ ϧͯ͠ɺར༻͍͖ͨͩ·͢Α͏͓ئ͍͠·͢ʡ ʢްੜ࿑ಇল΢ΣϒαΠτΑΓʣ 4

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5 https://play.google.com/store/apps/details?id=jp.go.mhlw.covid19radar&hl=ja Android൛ https://apps.apple.com/jp/app/id1516764458 iOS൛

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COCOA Open Source Project • WebαΠτ  https://cocoa-mhlw.github.io/cocoa/ • GitHub ϦϙδτϦ  https://github.com/cocoa-mhlw/cocoa 6

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COCOA։ൃମ੍ ུ֓ਤ 7 (JU)VCίϛϡχςΟ ։ൃνʔϜ ࿈ܞνʔϜ "3*:"."

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໨࣍ ͳʹ͕ى͖ͨͷ͔ ো֐͸ɺͳͥى͖ͨͷ͔ ࠓޙͷରԠ ݕ౼தͷ࠶ൃ๷ࢭࡦ 8

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ͳʹ͕ى͖ͨͷ͔ 9

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v1.4.0 ϦϦʔε 2021/11/25 15:00 10

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11 https://github.com/cocoa-mhlw/cocoa/issues/517 2021/11/25 16:17

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12 16:20

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13 16:49

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14 17:11 Xamarin android App crashes with error android.runtime.JavaProxyThrowable reported in Google Play Console Vitals https://docs.microsoft.com/en-us/answers/questions/418448/xamarin-android-app-crashes-with-error-androidrunt.html

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ΤϥʔൃੜՕॴ 15 https://github.com/cocoa-mhlw/cocoa/blob/release_1_4_0/Covid19Radar/Covid19Radar/Services/Migration/Migrator_1_3_0.cs private void MigrateDateTimeToEpoch(string dateTimeKey, string epochKey, TimeSpan differential) { string dateTimeStr = _preferencesService.GetValue(dateTimeKey, DateTime.UtcNow.ToString()); DateTime dateTime; try { dateTime = DateTime.SpecifyKind(DateTime.Parse(dateTimeStr) + differential, DateTimeKind.Utc); } catch (FormatException exception) { _loggerService.Exception($"Parse dateTime FormatException occurred. {dateTimeStr}", exception); dateTime = DateTime.UtcNow; } _preferencesService.SetValue(epochKey, dateTime.ToUnixEpoch()); _preferencesService.RemoveValue(dateTimeKey); }

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16 17:30

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17 18:07

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Hotfix 18 Hot fi x #517 https://github.com/cocoa-mhlw/cocoa/pull/518 private void MigrateDateTimeToEpoch(string dateTimeKey, string epochKey, TimeSpan differential, DateTime fallbackDateTime) { string dateTimeStr = _preferencesService.GetValue(dateTimeKey, fallbackDateTime.ToString()); DateTime dateTime; try { dateTime = DateTime.SpecifyKind(DateTime.Parse(dateTimeStr), DateTimeKind.Utc); } catch (FormatException exception) { _loggerService.Exception($"Parse dateTime FormatException occurred. {dateTimeStr}", exception); dateTime = fallbackDateTime; } try { dateTime += differential; } catch (ArgumentOutOfRangeException exception) { _loggerService.Exception($"{dateTimeStr} {differential} The added or subtracted value results in an un-representable DateTime.", exception); } _preferencesService.SetValue(epochKey, dateTime.ToUnixEpoch()); _preferencesService.RemoveValue(dateTimeKey); } 18:35

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19 19:19

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20 2021/11/26 00:28

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21 * 20:12 - ։ൃνʔϜ ར༻ऀ͔Βͷ໰͍߹Θͤঢ়گΛڞ༗ * 20:13 - ։ൃνʔϜ v1.1.5ҎલʹΞϓϦͷར༻Λ։࢝͢Δͱར༻ن໿ͷಉҙ೔෇͕DateTime࠷খ஋ͷ··ͱͳΔ͜ͱ͕ݪҼͱ൑໌ * ։ൃνʔϜ ো֐ͷ࠶ݱํ๏Λ֬ఆ * 20:39 - ։ൃνʔϜ ϦϦʔεςετͷ࡞੒։࢝ * 22:40 - ։ൃνʔϜ ϦϦʔεςετͷ࡞੒׬ྃ * 23:16 - ։ൃνʔϜ ϦϦʔεςετͷ࣮ࢪ׬ྃ * ։ൃνʔϜ ४උͨ͠v1.4.0͕Ϋϥογϡ͢Δ୺຤ͷΞϓϦΛ੡඼൛ΞϓϦv1.4.1΁Ξοϓσʔτɺਖ਼ৗىಈ͠໰୊͕ղফ͍ͯ͠Δ͜ͱΛ֬ೝ 26/11/2021 00:28 2021/11/25 19:19

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v1.4.1 HotfixϦϦʔε 22 GitHubίϛϡχςΟͷΈͳ͞Μ ͝ڠྗɺຊ౰ʹ͋Γ͕ͱ͏͍͟͝·ͨ͠ɻ * 11/26 * 00:28 - ։ൃνʔϜ v1.4.1 ৹ࠪఏग़׬ྃʢGoogle Play, AppStoreʣ * 10:10 - ։ൃνʔϜ v1.4.1 AppStoreͰϦϦʔε * ։ൃνʔϜ iOS୺຤7୆Ͱެ։͞ΕͨΞϓϦv1.4.1͕ىಈͰ͖Δ͜ͱΛ֬ೝ * 10:47 - GitHub iOS൛ͷ෮چใࠂ * 11/27 * 11:28 - ։ൃνʔϜ v1.4.1 Google PlayͰϦϦʔε։࢝ * 11:40 - GitHub Android൛ͷ෮چใࠂ * ։ൃνʔϜ Android୺຤1୆Ͱެ։͞ΕͨΞϓϦv1.4.1͕ىಈͰ͖Δ͜ͱΛ֬ೝ

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ো֐͸ɺͳͥى͖ͨͷ͔ 23

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͜ͷॲཧ͸ͳʹʁ v1.3.0΁ͷϚΠάϨʔγϣϯॲཧ 24 https://github.com/cocoa-mhlw/cocoa/blob/release_1_4_0/Covid19Radar/Covid19Radar/Services/Migration/Migrator_1_3_0.cs private void MigrateDateTimeToEpoch(string dateTimeKey, string epochKey, TimeSpan differential) { string dateTimeStr = _preferencesService.GetValue(dateTimeKey, DateTime.UtcNow.ToString()); DateTime dateTime; try { dateTime = DateTime.SpecifyKind(DateTime.Parse(dateTimeStr) + differential, DateTimeKind.Utc); } catch (FormatException exception) { _loggerService.Exception($"Parse dateTime FormatException occurred. {dateTimeStr}", exception); dateTime = DateTime.UtcNow; } _preferencesService.SetValue(epochKey, dateTime.ToUnixEpoch()); _preferencesService.RemoveValue(dateTimeKey); }

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ϚΠάϨʔγϣϯʢMigrationʣॲཧ όʔδϣϯؒͰҟͳΔσʔλܗࣜΛҠߦ͢Δ • σʔλܗࣜͷҟͳΔ࣌ظ • v1.0.0 - v1.2.1 • v1.2.2 - v1.2.6 25

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v1.0.0-v1.2.1 • ΞϓϦͷσʔλ͸Application.Propertiesʹอଘ • Xamarin.Forms͕༻ҙ͍ͯ͠ΔӬଓԽํࣜ • ࣮ମϑΝΠϧ͸Binary XMLܗࣜ 26

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Application.Propertiesͷ՝୊ • Application.Properties͸εϨουηʔϑͰ͸ͳ͍ • ෳ਺εϨου͔ΒΞΫηε͢Δͱσʔλ͕յΕΔ͜ͱ͕͋Δ • COCOA ಥવॳظԽ͞ΕΔ໰୊  https://github.com/cocoa-mhlw/cocoa/issues/16 27

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v1.2.2-v1.2.5 • ΞϓϦͷσʔλ͸ϓϥοτϑΥʔϜݻ༗ͷܗࣜʹอଘ • AndroidͰ͸`SharedPreferences` • iOSͰ͸`NSUserDefaults` • Application.Properties͔ΒͷҠߦʢϚΠάϨʔγϣϯʣ͕௥Ճ 28

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v1.2.2-v1.2.5ͷ՝୊ ෳ਺ΫϥεʹϚΠάϨʔγϣϯॲཧ͕෼ࢄ͍ͯͨ͠ • ར༻ن໿ͱϓϥΠόγʔϙϦγʔͷ߹ҙ೔࣌  https://github.com/cocoa-mhlw/cocoa/blob/release_1_2_5/Covid19Radar/ Covid19Radar/Services/TermsUpdateService.cs • ར༻։࢝೔ɾར༻ن໿ͱϓϥΠόγʔϙϦγʔͷ߹ҙϑϥά  https://github.com/cocoa-mhlw/cocoa/blob/release_1_2_5/Covid19Radar/ Covid19Radar/Services/UserDataService.cs • ઀৮ه࿥  https://github.com/cocoa-mhlw/cocoa/blob/release_1_2_5/Covid19Radar/ Covid19Radar/Services/ExposureNoti fi cationService.cs  29

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v1.2.2-v1.2.5ͷ՝୊ ϓϥοτϑΥʔϜݻ༗ͷҠߦॲཧΛαʔυύʔςΟϥΠϒϥϦΛվม͢ΔܗͰهड़͍ͯͨ͠ 30 namespace Xamarin.ExposureNotifications { public static partial class ExposureNotification { private static readonly string[] OldWorkNames = { "exposurenotification" }; // Array of old work-name. private static readonly string CurrentWorkName = "cocoaexposurenotification"; // Current work-name. (changed policy from `replace` to `keep`) // Schedule background work (Customization by COCOA) static Task PlatformScheduleFetch() { CancelOldWork(); var workRequest = CreatePeriodicWorkRequest(); EnqueueUniquePeriodicWork(workRequest); return Task.CompletedTask; } private static void CancelOldWork() { var workManager = WorkManager.GetInstance(Essentials.Platform.AppContext); foreach (var oldWorkName in OldWorkNames) { workManager.CancelUniqueWork(oldWorkName); } } } } } https://github.com/cocoa-mhlw/cocoa/blob/release_1_2_5/Covid19Radar/Xamarin.ExposureNoti fi cation/ExposureNoti fi cation.customize.android.cs

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v1.2.6 ϚΠάϨʔγϣϯͷ࢓૊ΈΛಋೖ ෼ࢄͤͣ͞ɺҰΧॴͰॲཧ͢Δ • fromVersion → toVersionͰඞཁͳϚΠάϨʔγϣϯΛॱ࣮࣍ߦ • fromVersion: ઃఆʹه࿥͞ΕΔʢ·ͨ͸ਪଌ͢ΔʣΞϓϦͷόʔδϣϯ • toVersion: ݱࡏͷΞϓϦͷόʔδϣϯ 31 Add feature migrations mechanism #165 https://github.com/cocoa-mhlw/cocoa/pull/165

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v1.2.6 ϦϦʔε 2021/09/08 32

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͜ͷॲཧ͸ͳʹʁ **v1.3.0** ΁ͷϚΠάϨʔγϣϯॲཧ 33 https://github.com/cocoa-mhlw/cocoa/blob/release_1_4_0/Covid19Radar/Covid19Radar/Services/Migration/Migrator_1_3_0.cs private void MigrateDateTimeToEpoch(string dateTimeKey, string epochKey, TimeSpan differential) { string dateTimeStr = _preferencesService.GetValue(dateTimeKey, DateTime.UtcNow.ToString()); DateTime dateTime; try { dateTime = DateTime.SpecifyKind(DateTime.Parse(dateTimeStr) + differential, DateTimeKind.Utc); } catch (FormatException exception) { _loggerService.Exception($"Parse dateTime FormatException occurred. {dateTimeStr}", exception); dateTime = DateTime.UtcNow; } _preferencesService.SetValue(epochKey, dateTime.ToUnixEpoch()); _preferencesService.RemoveValue(dateTimeKey); }

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v1.2.6 ·Ͱͷ՝୊ ೔࣌৘ใͷอଘܗࣜ • v1.2.6࣌఺ͰɺCOCOAʹ͸4ͭͷ೔࣌৘ใΛอଘ • ࢖༻։࢝೔࣌ʢStartDateTimeʣ • ར༻ن໿ʹ߹ҙͨ͠೔࣌ʢTermsOfServiceLastUpdateDateTimeʣ • ϓϥΠόγʔϙϦγʔʹ߹ҙͨ͠೔࣌ ʢPrivacyPolicyLastUpdateDateTimeʣ • ઀৮֬ೝͨ͠਍அΩʔͷ࠷৽ͷ࡞੒೔ʢLastProcessTekTimestampʣ 34 https://cocoa-mhlw.github.io/cocoa/docs/appendix/preference_speci fi cation/#v122---v126

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จࣈྻͱͯ͠อଘ͞Εͨ೔࣌৘ใ • LastProcessTekTimestampΛআ͍ͨ3ͭͷ೔࣌৘ใΛจࣈྻͱͯ͠อଘ • ࢖༻։࢝೔࣌ʢStartDateTimeʣ • ར༻ن໿ʹ߹ҙͨ͠೔࣌ʢTermsOfServiceLastUpdateDateTimeʣ • ϓϥΠόγʔϙϦγʔʹ߹ҙͨ͠೔࣌ ʢPrivacyPolicyLastUpdateDateTimeʣ • ઀৮֬ೝͨ͠਍அΩʔͷ࠷৽ͷ࡞੒೔ʢLastProcessTekTimestampʣ 35 https://cocoa-mhlw.github.io/cocoa/docs/appendix/preference_speci fi cation/#v122---v126

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೔࣌จࣈྻ͸ϑΥʔϚοτࢦఆͳ͠ͷDateTime.ToString()ͷ݁Ռ DateTime.ToString()ͷ݁Ռ͸࣮ߦ؀ڥʢݴޠɾϩέʔϧʣʹґଘ͢Δ 36 using System; using System.Globalization; public class Program { public static void Main() { CultureInfo culture = CultureInfo.CreateSpecificCulture("ja-JP"); CultureInfo.CurrentCulture = culture; var datetime = new DateTime(2021, 12, 11); Console.WriteLine(datetime.ToString()); } } 2021/12/11 0:00:00

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֤ϩέʔϧͰͷDateTime.ToString()ͷ࣮ߦ݁Ռ 2021೥12݄11೔ new DateTime(2021, 12, 11).ToString() • ೔ຊޠ-೔ຊʢja-JPʣ  → 2021/12/11 0:00:00 • ӳޠ-ΞϝϦΧ߹ऺࠃʢen-USʣ  → 12/11/2021 12:00:00 AM • ӳޠ-ӳࠃʢen-GBʣ  → 11/12/2021 00:00:00 • ӳޠ-೔ຊʢen-JPʣ  → 12/11/2021 12:00:00 AM 37

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ʮӳޠɾӳࠃʢen-GBʣʯʹઃఆ͍ͯ͠Δਓ͕ɺ ೔ຊʹ౸ண͙ͯ͢͠ʹCOCOAΛΠϯετʔϧɻ ར༻։࢝ޙɺઃఆΛʮӳޠɾ೔ຊʢen-JPʣʯʹ੾Γସ͑ͨΒʁ 38

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en-GBͰอଘ͞ΕΔ೔࣌จࣈྻ 39 "11/12/2021 00:00:00"

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en-JPͰղऍ͞ΕΔ೔࣌ 40 using System; using System.Globalization; public class Program { public static void Main() { CultureInfo culture = CultureInfo.CreateSpecificCulture("en-JP"); CultureInfo.CurrentCulture = culture; var datetime = DateTime.Parse("11/12/2021 00:00:00"); Console.WriteLine(datetime.ToString()); } } "11/12/2021 12:00:00 AM"

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೔࣌৘ใͱͯ͠ղऍͰ͖ͳ͍έʔε 41 using System; using System.Globalization; public class Program { public static void Main() { CultureInfo culture = CultureInfo.CreateSpecificCulture("en-JP"); CultureInfo.CurrentCulture = culture; var datetime = DateTime.Parse("25/12/2021 00:00:00"); Console.WriteLine(datetime.ToString()); } } Unhandled exception. System.FormatException: String '25/12/2021 00:00:00' was not recognized as a valid DateTime. at System.DateTime.Parse(String s) at Program.Main()

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ؔ࿈͢Δ՝୊ • [Android] ୺຤ͷݴޠΛมߋޙʮϓϥΠόγʔϙϦγʔͷվఆʯ͕࠶දࣔ͞Ε Δ  https://github.com/cocoa-mhlw/cocoa/issues/49 • ֤छ೔෇͕ϩέʔϧґଘͷϑΥʔϚοτͰอଘ͞ΕΔ  https://github.com/cocoa-mhlw/cocoa/issues/51 • [iOS] ར༻։࢝ޙɺ୺຤ϩέʔϧΛมߋ͢Δͱ࢖༻։࢝೔͕Ϧηοτ͞Εଓ͚ Δ  https://github.com/cocoa-mhlw/cocoa/issues/124 42

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v1.3.0ͷϚΠάϨʔγϣϯॲཧ จࣈྻͷ೔࣌৘ใΛUNIX Epoch΁ม׵͢Δ 43 https://github.com/cocoa-mhlw/cocoa/blob/release_1_4_0/Covid19Radar/Covid19Radar/Services/Migration/Migrator_1_3_0.cs public Task ExecuteAsync() { if (_preferencesService.ContainsKey(START_DATETIME)) { MigrateDateTimeToEpoch(START_DATETIME, PreferenceKey.StartDateTimeEpoch, TimeSpan.Zero); } if (_preferencesService.ContainsKey(TERMS_OF_SERVICE_LAST_UPDATE_DATETIME)) { MigrateDateTimeToEpoch( TERMS_OF_SERVICE_LAST_UPDATE_DATETIME, PreferenceKey.TermsOfServiceLastUpdateDateTimeEpoch, -TIME_DIFFERENCIAL_JST_UTC ); } if (_preferencesService.ContainsKey(PRIVACY_POLICY_LAST_UPDATE_DATETIME)) { MigrateDateTimeToEpoch( PRIVACY_POLICY_LAST_UPDATE_DATETIME, PreferenceKey.PrivacyPolicyLastUpdateDateTimeEpoch, -TIME_DIFFERENCIAL_JST_UTC ); } return Task.CompletedTask; }

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͜ͷॲཧ͸ͳʹʁ จࣈྻͷ೔࣌৘ใΛUNIX Epoch΁ม׵͢Δ 44 https://github.com/cocoa-mhlw/cocoa/blob/release_1_4_0/Covid19Radar/Covid19Radar/Services/Migration/Migrator_1_3_0.cs private void MigrateDateTimeToEpoch(string dateTimeKey, string epochKey, TimeSpan differential) { string dateTimeStr = _preferencesService.GetValue(dateTimeKey, DateTime.UtcNow.ToString()); DateTime dateTime; try { dateTime = DateTime.SpecifyKind(DateTime.Parse(dateTimeStr) + differential, DateTimeKind.Utc); } catch (FormatException exception) { _loggerService.Exception($"Parse dateTime FormatException occurred. {dateTimeStr}", exception); dateTime = DateTime.UtcNow; } _preferencesService.SetValue(epochKey, dateTime.ToUnixEpoch()); _preferencesService.RemoveValue(dateTimeKey); }

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ো֐͸ɺͳͥى͖ͨͷ͔ 45

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ͳͥ͜ͷίʔυΛॻ͍ͨͷ͔ 46 https://github.com/cocoa-mhlw/cocoa/blob/release_1_4_0/Covid19Radar/Covid19Radar/Services/Migration/Migrator_1_3_0.cs private void MigrateDateTimeToEpoch(string dateTimeKey, string epochKey, TimeSpan differential) { string dateTimeStr = _preferencesService.GetValue(dateTimeKey, DateTime.UtcNow.ToString()); DateTime dateTime; try { dateTime = DateTime.SpecifyKind(DateTime.Parse(dateTimeStr) + differential, DateTimeKind.Utc); } catch (FormatException exception) { _loggerService.Exception($"Parse dateTime FormatException occurred. {dateTimeStr}", exception); dateTime = DateTime.UtcNow; } _preferencesService.SetValue(epochKey, dateTime.ToUnixEpoch()); _preferencesService.RemoveValue(dateTimeKey); }

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࣌ࠩิਖ਼ͷཁ݅ • ೔࣌৘ใʢDateTimeʣͷจࣈྻʹ͸λΠϜκʔϯؚ͕·Ε͍ͯͳ͍ɻ  ͔͠͠ɺར༻ن໿ɾϓϥΠόγʔϙϦγʔͷಉҙ೔࣌ʹ͍ͭͯ͸JSTͱͯ͠औΓѻ͏ඞཁ͕͋Δ • ࢖༻։࢝೔࣌ʢStartDateTimeʣ - UTC • ར༻ن໿ʹ߹ҙͨ͠೔࣌ʢTermsOfServiceLastUpdateDateTimeʣ - JST • ϓϥΠόγʔϙϦγʔʹ߹ҙͨ͠೔࣌ʢPrivacyPolicyLastUpdateDateTimeʣ - JST • ։ൃνʔϜΑΓࢦఠΛड͚ͯରԠ  https://github.com/cocoa-mhlw/cocoa/commit/ 2b7b19de75b42e44cb1bb1c87406c99af9bd7754#di ff -180bad4c321871e2b4bf1cd58ce78d304 0ccd6a64ec0937fd84e0b3514a00cc5 47

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ͳͥλΠϜκʔϯͷิਖ਼ʹ   ՃݮࢉΛ༻͍ͨͷ͔ 48

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ೖྗจࣈྻʹର͢Δೝࣝͷ؁͞ • DateTimeͷܭࢉͰʢԼݶ஋ΛԼճΔɾ্ݶ஋Λ্ճΔʣͱ͖ʹྫ֎͕ൃੜ͢ Δͱ͍͏஌͕ࣝෆ଍͍ͯͨ͠ • ೖྗ͞ΕΔ஋ʹԼݶ஋ʢ0001/01/01 00:00:00ʣ͕ଘࡏ͢Δͱ͍͏ೝ͕ࣝෆ଍ ͍ͯͨ͠ 49

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ݕ౼ͨ͠ࣄ߲ DateTime.ToUniversalTime() • DateTime.ToUniversalTime()͸ɺ୺຤ͷϩέʔϧʹઃఆ͞Ε͍ͯΔ஍ҬͷλΠ ϜκʔϯΛʮϩʔΧϧλΠϜʢLocalʣʯͱͯ͠ɺ࣌ࠩͷิਖ਼Λߦ͏ • ࠓճͷ৔߹ɺDateTimeͷݩʹͳΔจࣈྻʹλΠϜκʔϯͷ৘ใ͸ͳ͍ɻͦͷ ্ͰλΠϜκʔϯΛݻఆʢJST·ͨ͸UTCʣͯ࣌ࠩ͠Λิਖ਼͢Δඞཁ͕͋Δ • ୺຤ʹઃఆ͞Ε͍ͯΔϩέʔϧ͕ʮ೔ຊʢJSTʣʯͰ͋Δอূ͸ͳ͍ 50

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ݕ౼ͨ͠ࣄ߲ TimeZoneInfo.ConvertTimeToUtc • ConverTimeToUtcΛ࣮ߦ͢Δ্ͰඞཁͳʮλΠϜκʔϯʢTimeZoneInfoʣʯ Λऔಘ͢Δࡍʹ༻͍ΔTimeZoneInfo.FindSystemTimeZoneByIdʹࢦఆ͢Δ஋ ͕ɺϓϥοτϑΥʔϜʹΑͬͯҟͳΔɻ • WindowsͰ͸ "Tokyo Standard Time" ← MicrosoftެࣜυΩϡϝϯτͰ঺հ • LinuxͰ͸"Asia/Tokyo" ← Xamarin͸ʢʁʣͪ͜Β 51 ϓϥοτϑΥʔϜ͝ͱͷڍಈͷҧ͍͕ɺར༻Λسආ͢ΔཁҼʹͳͬͨ

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ೖྗจࣈྻʹର͢Δೝࣝͷ؁͞ • DateTimeͷܭࢉͰʢԼݶ஋ΛԼճΔɾ্ݶ஋Λ্ճΔʣͱ͖ʹྫ֎͕ൃੜ͢ Δͱ͍͏஌͕ࣝෆ଍͍ͯͨ͠ • ೖྗ͞ΕΔ஋ͷൣғʹԼݶ஋ʢ0001/01/01 00:00:00ʣ͕ଘࡏ͢Δͱ͍͏ೝࣝ ͕ෆ଍͍ͯͨ͠ 52

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Ұ౓͸߹ҙ͠ͳ͍ͱΞϓϦ͕ར༻Ͱ͖ͳ͍ • ࢖༻։࢝೔࣌ʢStartDateTimeʣ - UTC • ར༻ن໿ʹ߹ҙͨ͠೔࣌ʢTermsOfServiceLastUpdateDateTimeʣ - JST • ϓϥΠόγʔϙϦγʔʹ߹ҙͨ͠೔࣌ ʢPrivacyPolicyLastUpdateDateTimeʣ - JST 53

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ͳͥɺར༻ن໿߹ҙ೔͕ 0001/01/01 00:00:00 ʹͳΔͷ͔ 54

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v1.2.2ͷϚΠάϨʔγϣϯ 55 private async Task MigrateTermAsync(TermsType termsType, bool isAgree) { var applicationPropertyKey = termsType == TermsType.TermsOfService ? APPLICATION_PROPERTY_TERMS_OF_SERVICE_LAST_UPDATE_DATE_KEY : APPLICATION_PROPERTY_PRIVACY_POLICY_LAST_UPDATE_DATE_KEY; var preferenceKey = termsType == TermsType.TermsOfService ? PREFERENCE_KEY_TERMS_OF_SERVICE_LAST_UPDATE_DATETIME : PREFERENCE_KEY_PRIVACY_POLICY_LAST_UPDATE_DATETIME; if (_preferencesService.ContainsKey(applicationPropertyKey)) { return; } if (isAgree) { if (_applicationPropertyService.ContainsKey(applicationPropertyKey)) { var lastUpdateDate = _applicationPropertyService.GetProperties(applicationPropertyKey).ToString(); _preferencesService.SetValue(preferenceKey, lastUpdateDate); } else { _preferencesService.SetValue(preferenceKey, new DateTime().ToString()); } } await _applicationPropertyService.Remove(applicationPropertyKey); } https://github.com/cocoa-mhlw/cocoa/blob/release_1_4_0/Covid19Radar/Covid19Radar/Services/Migration/Migrator_1_2_2.cs https://github.com/cocoa-mhlw/cocoa/blob/release_1_2_5/Covid19Radar/Covid19Radar/Services/TermsUpdateService.cs

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೺Ѳ͍ͯ͠ͳ͔ͬͨมߋ • ར༻ن໿ɺϓϥΠόγʔϙϦγʔͷ߹ҙ೔࣌Λه࿥͢ΔΑ͏ʹͳͬͨͷ͸ v1.2.0ʢ2020/12/03ϦϦʔεʣ͔Β • ϓϥΠόγʔϙϦγʔɺར༻ن໿ͷվగ͕͋ͬͨ • v1.1.5Ҏલ͸߹ҙ͔ͨ͠Ͳ͏͔ʢIsOptined, IsPolicyAcceptedʣͷΈ؅ཧ 56 ઀৮֬ೝΞϓϦʮCOCOAʯͷमਖ਼൛ʢʮ1.2.0ʯʣͷ഑෍Λ։࢝͠·ͨ͠ɻ https://www.mhlw.go.jp/stf/newpage_15244.html

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v1.2.2ͷϚΠάϨʔγϣϯ v1.1.5Ҏલ͔ΒͷϚΠάϨʔγϣϯͰൃੜ 57 private async Task MigrateTermAsync(TermsType termsType, bool isAgree) { var applicationPropertyKey = termsType == TermsType.TermsOfService ? APPLICATION_PROPERTY_TERMS_OF_SERVICE_LAST_UPDATE_DATE_KEY : APPLICATION_PROPERTY_PRIVACY_POLICY_LAST_UPDATE_DATE_KEY; var preferenceKey = termsType == TermsType.TermsOfService ? PREFERENCE_KEY_TERMS_OF_SERVICE_LAST_UPDATE_DATETIME : PREFERENCE_KEY_PRIVACY_POLICY_LAST_UPDATE_DATETIME; if (_preferencesService.ContainsKey(applicationPropertyKey)) { return; } if (isAgree) { if (_applicationPropertyService.ContainsKey(applicationPropertyKey)) { var lastUpdateDate = _applicationPropertyService.GetProperties(applicationPropertyKey).ToString(); _preferencesService.SetValue(preferenceKey, lastUpdateDate); } else { _preferencesService.SetValue(preferenceKey, new DateTime().ToString()); } } await _applicationPropertyService.Remove(applicationPropertyKey); } https://github.com/cocoa-mhlw/cocoa/blob/release_1_4_0/Covid19Radar/Covid19Radar/Services/Migration/Migrator_1_2_2.cs https://github.com/cocoa-mhlw/cocoa/blob/release_1_2_5/Covid19Radar/Covid19Radar/Services/TermsUpdateService.cs

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ͳͥ   0001/01/01 00:00:00 ͕   ͍·ͩʹ࢒͍ͬͯΔͷ͔ʁ 58

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v1.2.0Ҏ߱ɺϓϥΠόγʔϙϦγʔͱ   ར༻ن໿͕վగ͞Ε͍ͯΔͷ͔ͩΒɺ   ͦͷ࣌఺ͷ೔෇ʹͳ͍ͬͯΔ͸ͣͰ͸ʁ 59

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ར༻ن໿ͷ࠶ಉҙϓϩηε͕࢖ΘΕͨʢදࣔ͞Εͨʣ͜ͱ͕ͳ͍ 60 { "privacy_policy" : { "text" : "We will retain in the management system the processing numbers required to register people who have tested positive for COVID-19 in COCOA to respond to inquiries. We have revised the Privacy Policy due to this. Please confirm the revised content from the link below.", "update_date" : "2021/12/01 13:00:00" } } { "terms_of_service" : { "text": "", "update_date" : "" }, "privacy_policy" : { "text" : "We will retain in the management system the processing numbers required to register people who have tested positive for COVID-19 in COCOA to respond to inquiries. We have revised the Privacy Policy due to this. Please confirm the revised content from the link below.", "update_date" : "2021/12/01 13:00:00" } } v1.1.5Ͱར༻ن໿ʹ߹ҙ͍ͯͨ͠৔߹ɺ߹ҙ೔࣌͸ߋ৽͞Εͳ͍ʢ0001/01/01 00:00:00ͷ··ʣ

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ো֐͸ɺͳͥى͖ͨͷ͔ ·ͱΊ 61

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՝୊ʹର͢Δೝࣝͷ؁͞ɾ࣮ྗෆ଍ • λΠϜκʔϯิਖ਼ʢJST͔ΒUTCʣํ๏ͷෆద੾ͳબ୒ • ݴޠʢC#ʣ࢓༷΁ͷཧղ͕ෆे෼ͳ··࣮૷Λͨ͠ • աڈόʔδϣϯͷ࢓༷ͷௐ͕ࠪෆ଍͍ͯͨ͠ 62 ΞΫγσϯτϨϙʔτʮv1.4.0ϦϦʔεͰൃੜͨ͠ো֐ʹ͍ͭͯʯ #544 https://github.com/cocoa-mhlw/cocoa/pull/544

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ARIYAMA Keiji - σδλϧிAndroidʢΞϓϦʣΤϯδχΞ / ༗ݶձࣾγʔϦε୅ද COCOA 1.4.0 ো֐͸  ͳͥى͖ͨͷ͔ ୭͔ͷ͍ͤʹ͍͕ͨ͠ ࣗ෼ͷإ͔͠ࢥ͍ු͔͹ͳ͍ 63

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ࠓޙͷରԠ • ϚΠάϨʔγϣϯॲཧΛվળ͢Δ  https://github.com/cocoa-mhlw/cocoa/issues/520 • ΞΫγσϯτϨϙʔτΛॻ͘  https://github.com/cocoa-mhlw/cocoa/pull/544 • ࠶ൃ๷ࢭࡦͷݕ౼ɾ࣮ࢪ 64

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ݕ౼தͷ࠶ൃ๷ࢭࡦ ো֐ൃੜ࣌ͷӨڹΛ௿ݮ͢Δํࡦ΋ؚΉ • ೔࣌৘ใͷऔΓѻ͍ʹ͍ͭͯఆΊΔ • ಺෦Ͱ͸UNIX Epochͱͯ͠อଘ͢Δɻ·ͨɺจࣈྻදݱΛRFC 3339ʹ౷ Ұ͢Δ͜ͱͰϩέʔϧͷҧ͍ʹΑΔڍಈͷҧ͍Λٵऩ͢Δ • ϢχοτςετΛ੔උ͢ΔɻಛʹίʔυΧόϨοδΛܭଌ͢Δ͜ͱͰɺϢ χοτςετ͕ΧόʔͰ͖͍ͯͳ͍ͱ͜ΖΛՄࢹԽ͢Δ • ϩʔϦϯάΞοϓσʔτʢஈ֊తͳެ։ʣΛ࣮ࢪ͢Δ͜ͱͰɺϦϦʔεΛதࢭ Ͱ͖ΔΑ͏ʹ͢Δ 65

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ݕ౼தͷ࠶ൃ๷ࢭࡦ ো֐ൃੜ࣌ͷӨڹΛ௿ݮ͢Δํࡦ΋ؚΉ • ਖ਼ࣜϦϦʔεલʹBeta൛Λ഑෍͢Δ͜ͱͰɺΑΓଟ͘ͷར༻ऀɺ୺຤Ͱςετ Ͱ͖ΔΑ͏ʹ͢Δ • ϦϦʔε༧ఆ೔ɾϦϦʔεঢ়گʢϩʔϦϯάΞοϓσʔτؚΉʣΛɺ͋Β͔͡ ΊGitHubͳͲͰެද͠ɺެ։࣌ͷ໨ͷ਺Λ૿΍͢͜ͱͰো֐ͷൃੜΛ͍ͪૣ ͘ݕग़͢Δ • ϦϦʔε࣌ظʢϩʔϦϯάΞοϓσʔτؚ࣌Ήʣʹ͸ɺSNSͷ؍ଌΛΦϖϨʔ γϣϯͱͯ͠ߦ͏ 66

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ݕ౼͍ͯ͠ͳ͍࠶ൃ๷ࢭࡦ • ίʔυͷऔΓࠐΈʹ౰ͨͬͯ͸ඞͣμϒϧνΣοΫɺՄೳͰ͋Ε͹τϦϓϧ νΣοΫΛߦ͏ 67

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͝ਗ਼ௌ͋Γ͕ͱ͏͍͟͝·ͨ͠ 68