Upgrade to Pro
— share decks privately, control downloads, hide ads and more …
Speaker Deck
Features
Speaker Deck
PRO
Sign in
Sign up for free
Search
Search
DateComponentsと仲良くなる
Search
sato-shin
September 19, 2021
Programming
3
3.2k
DateComponentsと仲良くなる
iOSDC 2021で発表したスライドです。
* asken tech blog:
https://tech.asken.inc
* youtube link: アップロードされたら
sato-shin
September 19, 2021
Tweet
Share
More Decks by sato-shin
See All by sato-shin
Bitriseのビルド回数が 10倍以上になって変わったコト
satoshin
1
400
Pull Request Trigger について ~Expose for Pull Request?~
satoshin
1
130
User Notification for UX!
satoshin
0
170
Using various views on Notification Content app extension
satoshin
2
1.1k
Getting step count on iOS
satoshin
4
3.1k
Other Decks in Programming
See All in Programming
20250704_教育事業におけるアジャイルなデータ基盤構築
hanon52_
5
790
Hypervel - A Coroutine Framework for Laravel Artisans
albertcht
1
130
スタートアップの急成長を支えるプラットフォームエンジニアリングと組織戦略
sutochin26
1
5.8k
Goで作る、開発・CI環境
sin392
0
230
MDN Web Docs に日本語翻訳でコントリビュートしたくなる
ohmori_yusuke
1
120
Quand Symfony, ApiPlatform, OpenAI et LangChain s'allient pour exploiter vos PDF : de la théorie à la production…
ahmedbhs123
0
190
Flutterで備える!Accessibility Nutrition Labels完全ガイド
yuukiw00w
0
160
VS Code Update for GitHub Copilot
74th
2
650
NPOでのDevinの活用
codeforeveryone
0
840
プロダクト志向ってなんなんだろうね
righttouch
PRO
0
190
システム成長を止めない!本番無停止テーブル移行の全貌
sakawe_ee
1
200
Python型ヒント完全ガイド 初心者でも分かる、現代的で実践的な使い方
mickey_kubo
1
120
Featured
See All Featured
The Myth of the Modular Monolith - Day 2 Keynote - Rails World 2024
eileencodes
26
2.9k
Evolution of real-time – Irina Nazarova, EuRuKo, 2024
irinanazarova
8
820
Large-scale JavaScript Application Architecture
addyosmani
512
110k
Typedesign – Prime Four
hannesfritz
42
2.7k
Six Lessons from altMBA
skipperchong
28
3.9k
YesSQL, Process and Tooling at Scale
rocio
173
14k
Practical Tips for Bootstrapping Information Extraction Pipelines
honnibal
PRO
20
1.3k
Designing for humans not robots
tammielis
253
25k
Designing for Performance
lara
610
69k
BBQ
matthewcrist
89
9.7k
Reflections from 52 weeks, 52 projects
jeffersonlam
351
20k
The World Runs on Bad Software
bkeepers
PRO
69
11k
Transcript
TBUPTIJO!BTLFO*OD %BUF$PNQPOFOUTͱ ྑ͘ͳΔɹ J04%$+BQBO
ຊηογϣϯʹ͍ͭͯ %BUF$PNQPOFOUTͱྑ͘ͳΔɹ
ຊηογϣϯʹ͍ͭͯ %BUF$PNQPOFOUTͱྑ͘ͳΔɹ ࠓɺ͍ʁ
ຊηογϣϯʹ͍ͭͯ %BUF$PNQPOFOUTͱྑ͘ͳΔɹ ࠓɺ͍ʁ %BUF$PNQPOFOUTJ04
ຊηογϣϯʹ͍ͭͯ %BUF$PNQPOFOUTͱྑ͘ͳΔɹ J04ʹؔ͢Δʁ
ຊηογϣϯʹ͍ͭͯ %BUF$PNQPOFOUTͱྑ͘ͳΔɹ J04ʹؔ͢Δʁ
ຊηογϣϯʹ͍ͭͯ %BUF$PNQPOFOUTͱྑ͘ͳΔɹ ࣌ܭࢉΛ%BUFͰࡁ·ͤͪΌͬͯΔਓ %BUF$PNQPOFOUTΛ͋Μ·Γͬͨ͜ͱ͕ͳ͍ਓ ͦΜͳਓͷͨΊͷηογϣϯͰ͢ɻ
࣌ؒͷجૅ
࣌ؒͲͷΑ͏ʹఆٛ͞ΕΔʁ
࣌ؒͲͷΑ͏ʹఆٛ͞ΕΔʁ ࣌ؒ࣠
࣌ؒͲͷΑ͏ʹఆٛ͞ΕΔʁ ࠓ ࣌ؒ࣠
࣌ؒͲͷΑ͏ʹఆٛ͞ΕΔʁ ࠓ ج४ ࣌ؒ࣠
࣌ؒͲͷΑ͏ʹఆٛ͞ΕΔʁ ࠓ ج४ ͞ ࣌ؒ࣠
࣌ؒͲͷΑ͏ʹఆٛ͞ΕΔʁ ࠓ ج४ ͞ ࣌ؒ࣠ ༗໊ͳج४ɿ 6/*9ΤϙοΫ 65$
࣌ؒͲͷΑ͏ʹఆٛ͞ΕΔʁ ࠓ ج४ ͞<ඵ> ࠃࡍ୯Ґܥʢ4*ʣͰఆٛ͞ΕΔ࣌ؒͷ୯Ґ͕ඵ ࣌ؒ࣠ ༗໊ͳج४ɿ 6/*9ΤϙοΫ 65$
4XJGUͰ࣌ؒΛදݱ͢Δܕʁ %BUF
4XJGUͰͲͷΑ͏ʹදݱ͞ΕΔʁ %BUF init(timeIntervalSinceNow: ) init(timeIntervalSince1970: ) init(timeIntervalSinceReferenceDate: ) init(timeInterval: since:
) init()
4XJGUͰͲͷΑ͏ʹදݱ͞ΕΔʁ init(timeIntervalSinceNow: ) init(timeIntervalSince1970: ) init(timeIntervalSinceReferenceDate: ) init(timeInterval: since: )
init() %BUF
4XJGUͰͲͷΑ͏ʹදݱ͞ΕΔʁ init(timeIntervalSinceNow: ) init(timeIntervalSince1970: ) init(timeIntervalSinceReferenceDate: ) init(timeInterval: since: )
init() = init(timeIntervalSinceNow: 0) %BUF
%BUF㱠 %BUF࣌ؒͷ
ʁ݄ʁʁ ඵ͔͠Βͳ͍Αʂ %BUF㱠 %BUF࣌ؒͷ
࣌ܭࢉͷ͠͞
͠ࢉ͢Δ let after10Sec = Date() + 10 let after1Minute =
Date() + 60 let after1Day = Date() + (60 * 60 * 24) let after1Month = Date() + (60 * 60 * 24 * 30)
͠ࢉ͢Δ ! let after10Sec = Date() + 10 let after1Minute
= Date() + 60 let after1Day = Date() + (60 * 60 * 24) let after1Month = Date() + (60 * 60 * 24 * 30)
࣌ܭࢉͰߟྀ͠ͳ͚Ε͍͚ͳ͍͜ͱ ͏Δ͏ͷଘࡏ ϲ݄ͷఆٛ αϚʔλΠϜ ͏Δ͏ඵͷଘࡏ ϲ݄
࣌ؒ ඵ
ʌůɾ㱼ɾA ŷžŷž
࣌ܭࢉΫϥε$BMFOEBS
࣌ܭࢉΫϥε$BMFOEBS let calendar = Calendar(identifier: .gregorian) let after1Month = calendar.date(byAdding:
.month, value: 1, to: Date())
ʮੜ݄Λ%BUFͰදݱͰ͖Δ͔ʁʯ
ੜ݄Λ%BUFͰදݱͯ͠ΈΔ let birthday = Date(timeIntervalSince1970: 656_175_600) let formatter = DateFormatter()
formatter.dateFormat = "yyyy-MM-dd" formatter.timeZone = TimeZone(abbreviation: "UTC") print(formatter.string(from: birthday))
ੜ݄Λ%BUFͰදݱͯ͠ΈΔ let birthday = Date(timeIntervalSince1970: 656_175_600) let formatter = DateFormatter()
formatter.dateFormat = "yyyy-MM-dd" formatter.timeZone = TimeZone(abbreviation: "UTC") print(formatter.string(from: birthday)) 1990-10-18 00:00:00 +09:00
ੜ݄Λ%BUFͰදݱͯ͠ΈΔ let birthday = Date(timeIntervalSince1970: 656_175_600) let formatter = DateFormatter()
formatter.dateFormat = "yyyy-MM-dd" formatter.timeZone = TimeZone(abbreviation: "UTC") print(formatter.string(from: birthday)) 1990-10-18 00:00:00 +09:00 1990-10-17
%BUF࣌ؒͷ ੜͳͲͷදݱʹ͔ͳ͍
%BUF࣌ؒͷ ੜ݄ͳͲͷදݱʹ͔ͳ͍
%BUF࣌ؒͷ ੜ݄ͳͲͷදݱʹ͔ͳ͍ ࠓɺࠓ݄ɺࠓɺه೦ɺFUD λΠϜκʔϯʹґଘ͠ͳ͍࣌Λਖ਼֬ʹදݱͰ͖ͳ͍
ͰදݱͰ͖Δܕ͕͋ͬͨΒͳ͊ɻɻɻ
%BUF$PNQPOFOUT
let calendar = Calendar(identifier: .gregorian) let birthday = DateComponents(calendar: calendar,
year: 1990, month: 10, day: 18)
%BUF$PNQPOFOUTͷ *OJUJBMJ[FS͔ΒಛΛݟΔ
%BUF$PNQPOFOUT JOJUJBMJ[FS DateComponents(calendar: Calendar?, timeZone: TimeZone?, era: Int?, year: Int?,
month: Int?, day: Int?, hour: Int?, minute: Int?, second: Int?, nanosecond: Int?, weekday: Int?, weekdayOrdinal: Int?, quarter: Int?, weekOfMonth: Int?, weekOfYear: Int?, yearForWeekOfYear: Int?)
ͭш㱬 ŠƄŢŠƄŢ
%BUF$PNQPOFOUT JOJUJBMJ[FS DateComponents(calendar: Calendar?, timeZone: TimeZone?, era: Int?, year: Int?,
month: Int?, day: Int?, hour: Int?, minute: Int?, second: Int?, nanosecond: Int?, weekday: Int?, weekdayOrdinal: Int?, quarter: Int?, weekOfMonth: Int?, weekOfYear: Int?, yearForWeekOfYear: Int?)
%BUF$PNQPOFOUT JOJUJBMJ[FS ͳΜͱҾݸʂ DateComponents(calendar: Calendar?, timeZone: TimeZone?, era: Int?, year:
Int?, month: Int?, day: Int?, hour: Int?, minute: Int?, second: Int?, nanosecond: Int?, weekday: Int?, weekdayOrdinal: Int?, quarter: Int?, weekOfMonth: Int?, weekOfYear: Int?, yearForWeekOfYear: Int?)
%BUF$PNQPOFOUT ࣌Λߏ͢Δཁૉ܈
%BUF$PNQPOFOUT JOJUJBMJ[FS શͯ࣌ͷߏཁૉ DateComponents(calendar: Calendar?, timeZone: TimeZone?, era: Int?, year:
Int?, month: Int?, day: Int?, hour: Int?, minute: Int?, second: Int?, nanosecond: Int?, weekday: Int?, weekdayOrdinal: Int?, quarter: Int?, weekOfMonth: Int?, weekOfYear: Int?, yearForWeekOfYear: Int?)
ͭͷཁૉຖ؆୯
%BUF$PNQPOFOUT JOJUJBMJ[FS ΧϨϯμʔ DateComponents(calendar: Calendar?, timeZone: TimeZone?, era: Int?, year:
Int?, month: Int?, day: Int?, hour: Int?, minute: Int?, second: Int?, nanosecond: Int?, weekday: Int?, weekdayOrdinal: Int?, quarter: Int?, weekOfMonth: Int?, weekOfYear: Int?, yearForWeekOfYear: Int?)
%BUF$PNQPOFOUT JOJUJBMJ[FS λΠϜκʔϯ DateComponents(calendar: Calendar?, timeZone: TimeZone?, era: Int?, year:
Int?, month: Int?, day: Int?, hour: Int?, minute: Int?, second: Int?, nanosecond: Int?, weekday: Int?, weekdayOrdinal: Int?, quarter: Int?, weekOfMonth: Int?, weekOfYear: Int?, yearForWeekOfYear: Int?)
%BUF$PNQPOFOUT JOJUJBMJ[FS ࣌ ݩ߸ HSFHPSJBOΧϨϯμʔͷ߹ لݩલ ྐྵ ྐྵΧϨϯμʔͷ߹ େԽ ฏ
ྩ DateComponents(calendar: Calendar?, timeZone: TimeZone?, era: Int?, year: Int?, month: Int?, day: Int?, hour: Int?, minute: Int?, second: Int?, nanosecond: Int?, weekday: Int?, weekdayOrdinal: Int?, quarter: Int?, weekOfMonth: Int?, weekOfYear: Int?, yearForWeekOfYear: Int?)
%BUF$PNQPOFOUT JOJUJBMJ[FS ݄࣌ඵφϊඵ DateComponents(calendar: Calendar?, timeZone: TimeZone?, era: Int?, year:
Int?, month: Int?, day: Int?, hour: Int?, minute: Int?, second: Int?, nanosecond: Int?, weekday: Int?, weekdayOrdinal: Int?, quarter: Int?, weekOfMonth: Int?, weekOfYear: Int?, yearForWeekOfYear: Int?)
%BUF$PNQPOFOUT JOJUJBMJ[FS ༵ DateComponents(calendar: Calendar?, timeZone: TimeZone?, era: Int?, year:
Int?, month: Int?, day: Int?, hour: Int?, minute: Int?, second: Int?, nanosecond: Int?, weekday: Int?, weekdayOrdinal: Int?, quarter: Int?, weekOfMonth: Int?, weekOfYear: Int?, yearForWeekOfYear: Int?)
%BUF$PNQPOFOUT JOJUJBMJ[FS ͦͷ༵͕Կ൪͔ DateComponents(calendar: Calendar?, timeZone: TimeZone?, era: Int?, year:
Int?, month: Int?, day: Int?, hour: Int?, minute: Int?, second: Int?, nanosecond: Int?, weekday: Int?, weekdayOrdinal: Int?, quarter: Int?, weekOfMonth: Int?, weekOfYear: Int?, yearForWeekOfYear: Int?) ݄ͷୈ ༵
%BUF$PNQPOFOUT JOJUJBMJ[FS ࢛ظ DateComponents(calendar: Calendar?, timeZone: TimeZone?, era: Int?, year:
Int?, month: Int?, day: Int?, hour: Int?, minute: Int?, second: Int?, nanosecond: Int?, weekday: Int?, weekdayOrdinal: Int?, quarter: Int?, weekOfMonth: Int?, weekOfYear: Int?, yearForWeekOfYear: Int?)
%BUF$PNQPOFOUT JOJUJBMJ[FS ͦͷ݄ͷԿि͔ DateComponents(calendar: Calendar?, timeZone: TimeZone?, era: Int?, year:
Int?, month: Int?, day: Int?, hour: Int?, minute: Int?, second: Int?, nanosecond: Int?, weekday: Int?, weekdayOrdinal: Int?, quarter: Int?, weekOfMonth: Int?, weekOfYear: Int?, yearForWeekOfYear: Int?) ݄ͷୈि
%BUF$PNQPOFOUT JOJUJBMJ[FS ͦͷͷԿि͔ DateComponents(calendar: Calendar?, timeZone: TimeZone?, era: Int?, year:
Int?, month: Int?, day: Int?, hour: Int?, minute: Int?, second: Int?, nanosecond: Int?, weekday: Int?, weekdayOrdinal: Int?, quarter: Int?, weekOfMonth: Int?, weekOfYear: Int?, yearForWeekOfYear: Int?)
%BUF$PNQPOFOUT JOJUJBMJ[FS ʢXFFLPGZFBS༻ʣ DateComponents(calendar: Calendar?, timeZone: TimeZone?, era: Int?, year:
Int?, month: Int?, day: Int?, hour: Int?, minute: Int?, second: Int?, nanosecond: Int?, weekday: Int?, weekdayOrdinal: Int?, quarter: Int?, weekOfMonth: Int?, weekOfYear: Int?, yearForWeekOfYear: Int?)
%BUF$PNQPOFOUTͲ͏͏ʁ
ࡾͭͷׂ ࣌ ྔ ύλʔϯϚον
ࡾͭͷׂ ࣌ %BUF$PNQPOFOUT%BUF
࣌ DateComponents => Date let today = DateComponents(calendar: gregorianCalendar, year:
2021, month: 9, day: 19) var todayInJp = today todayInJp.timeZone = TimeZone(abbreviation: "JST") todayInJp.date // 2021-09-19 00:00:00 +09:00
࣌ DateComponents => Date let today = DateComponents(calendar: gregorianCalendar, year:
2021, month: 9, day: 19) var todayInJp = today todayInJp.timeZone = TimeZone(abbreviation: "JST") todayInJp.date // 2021-09-19 00:00:00 +09:00
࣌ Date => DateComponents let today = gregorianCalendar .dateComponents([.calendar, .year,
.month, .day], from: Date())
࣌ let today = gregorianCalendar .dateComponents([.calendar, .year, .month, .day], from:
Date()) Date͔Β Calendarͱ݄͕ઃఆ͞Εͨ DateComponentsΛੜ Date => DateComponents
ʮࠓʯͷදݱྫ
ʮࠓʯͷදݱྫ
࣌ ʮࠓʯͷදݱྫ // 20219݄19 let today = DateComponents(calendar: gregorianCalendar, year:
2021, month: 9, day: 19) today.isValidDate // true
࣌ ʮࠓʯͷදݱྫ // 20219݄ͷୈ3,༵ let today = DateComponents(calendar: gregorianCalendar, year:
2021, month: 9, weekday: 1, weekdayOrdinal: 3) today.isValidDate // true
࣌ ʮࠓʯͷදݱྫ // 2021ͷ262 let today = DateComponents(calendar: gregorianCalendar, year:
2021, day: 262) today.isValidDate // false
࣌ ʮࠓʯͷදݱྫʢ❌ʣ // 2021ͷ262 let today = DateComponents(calendar: gregorianCalendar, year:
2021, day: 262) today.isValidDate // false 20211݄262ͱఆ͞Εɺfalse
࣌ ʮࠓʯͷදݱྫ // 2021ͷୈ38,༵ let today = DateComponents(calendar: gregorianCalendar, year:
2021, weekday: 1, weekdayOrdinal: 38) today.isValidDate // false
࣌ ʮࠓʯͷදݱྫʢ❌ʣ // 2021ͷୈ38,༵ let today = DateComponents(calendar: gregorianCalendar, year:
2021, weekday: 1, weekdayOrdinal: 38) today.isValidDate // false 20211݄ͷୈ38,༵ͱ ఆ͞Εɺfalse
ࡾͭͷׂ ྔ ͞
ྔ ࣌ܭࢉͷ͓ڙʹ let oneMonth = DateComponents(month: 1) // ̍ϲ݄ let
oneMonthLater = calendar.date(byAdding: oneMonth, to: Date())
ྔ ࣌ܭࢉͷ͓ڙʹ let oneMonth = DateComponents(month: 1) // ̍ϲ݄ let
oneMonthLater = calendar.date(byAdding: oneMonth, to: Date())
ࡾͭͷׂ ύλʔϯϚον
ύλʔϯϚον UserNotificationͷTriggerදݱͳͲ let wakeUpAlertTime = DateComponents(hour: 8, minute: 30) let
trigger = UNCalendarNotificationTrigger( dateMatching: wakeUpAlertTime, repeats: true)
ύλʔϯϚον UserNotificationͷTriggerදݱͳͲ let wakeUpAlertTime = DateComponents(hour: 8, minute: 30) let
trigger = UNCalendarNotificationTrigger( dateMatching: wakeUpAlertTime, repeats: true)
ύλʔϯϚον UserNotificationͷTriggerදݱͳͲ let wakeUpAlertTime = DateComponents(hour: 8, minute: 30 weekday:
1) let trigger = UNCalendarNotificationTrigger( dateMatching: wakeUpAlertTime, repeats: true)
ύλʔϯϚον UserNotificationͷTriggerදݱͳͲ let wakeUpAlertTime = DateComponents(hour: 8, minute: 30 weekday:
1) let trigger = UNCalendarNotificationTrigger( dateMatching: wakeUpAlertTime, repeats: true) ༵ͷ8࣌30
5JQT
5JQT DateComponents(hour: 12)
5JQT ྔΛද͢ͷ࣌ؒʁ ύλʔϯϚονͷ࣌ʁ DateComponents(hour: 12)
5JQT %BUF$PNQPOFOUT͕ͲΜͳҙຯΛ͔࣋ͭɺίϯςΩετʹΑͬͯҟͳΔɻ ࠞཚ͢Δ߹ʹɺϥούʔΫϥεΛ࡞Δͷ͕͓͢͢Ίɻ // ྔతදݱʹݶఆ͢Δ struct DateLength { var value:
DateComponents }
·ͱΊ %BUF࣌ؒͷͰ͋Γɺѻ͏୯ҐඵͷΈ ඵҎ֎୯ҐͰܭࢉΛߦ͏߹$BMFOEBSΛ͏ %BUF$PNQPOFOUT࣌Λߏ͢Δཁૉ܈Ͱ ओʹʮ࣌ɺྔɺύλʔϯϚονʯͷׂͰΘΕΔ
͚͋͢Μઈࢍ֦େதʂ J04%$ΰʔϧυεϙϯαʔɻ͚͋͢ΜϝΨω১͖ͬͯͶʂ ࠃʮϔϧεέΞʯΧςΰϦͰͷ%-ɺऩӹ/Pʂ 5FDIϒϩά࢝Ί·ͨ͠ʂ 🥇 📖 🎩
͚͋͢Μઈࢍ֦େதʂ 5FDIϒϩάϦϯΫ ຊηογϣϯͷิهࣄॻ͖·ͨ͠ɻ ͥͻνΣοΫͯ͠Έ͍ͯͩ͘͞ʂ https://tech.asken.inc
None