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
Flutterを言い訳にしない!アプリの使い心地改善テクニック5選🔥
Search
Kuno Ayana
November 20, 2024
Programming
3
690
Flutterを言い訳にしない!アプリの使い心地改善テクニック5選🔥
FlutterKaigi 2024 の LT です!
Kuno Ayana
November 20, 2024
Tweet
Share
More Decks by Kuno Ayana
See All by Kuno Ayana
iOS 18 がやってきた!
kno3a87
1
200
おうちハッカソン #2
kno3a87
0
130
ミクアカ成果報告会
kno3a87
0
32
SXSW2021
kno3a87
0
48
ミクアカ中間発表会
kno3a87
0
22
大学院進学ガイダンス
kno3a87
0
82
画像処理論セミナー7-1-3
kno3a87
0
23
内定者自己紹介LT
kno3a87
0
77
画像処理論セミナー7-1,2
kno3a87
0
20
Other Decks in Programming
See All in Programming
Result型で“失敗”を型にするPHPコードの書き方
kajitack
4
500
Rubyでやりたい駆動開発 / Ruby driven development
chobishiba
1
460
なんとなくわかった気になるブロックテーマ入門/contents.nagoya 2025 6.28
chiilog
1
230
童醫院敏捷轉型的實踐經驗
cclai999
0
200
PHPで始める振る舞い駆動開発(Behaviour-Driven Development)
ohmori_yusuke
2
230
型付きアクターモデルがもたらす分散シミュレーションの未来
piyo7
0
810
Team operations that are not burdened by SRE
kazatohiei
1
260
CursorはMCPを使った方が良いぞ
taigakono
1
190
プロダクト志向なエンジニアがもう一歩先の価値を目指すために意識したこと
nealle
0
110
High-Level Programming Languages in AI Era -Human Thought and Mind-
hayat01sh1da
PRO
0
540
関数型まつりレポート for JuliaTokai #22
antimon2
0
160
A2A プロトコルを試してみる
azukiazusa1
2
1.2k
Featured
See All Featured
Fireside Chat
paigeccino
37
3.5k
XXLCSS - How to scale CSS and keep your sanity
sugarenia
248
1.3M
Thoughts on Productivity
jonyablonski
69
4.7k
Intergalactic Javascript Robots from Outer Space
tanoku
271
27k
Why Our Code Smells
bkeepers
PRO
337
57k
Improving Core Web Vitals using Speculation Rules API
sergeychernyshev
17
940
I Don’t Have Time: Getting Over the Fear to Launch Your Podcast
jcasabona
32
2.3k
Dealing with People You Can't Stand - Big Design 2015
cassininazir
367
26k
Being A Developer After 40
akosma
90
590k
Git: the NoSQL Database
bkeepers
PRO
430
65k
[RailsConf 2023] Rails as a piece of cake
palkan
55
5.6k
Responsive Adventures: Dirty Tricks From The Dark Corners of Front-End
smashingmag
252
21k
Transcript
ʙΞϓϦͷ͍৺վળςΫχοΫબʙ 'MVUUFSΛݴ͍༁ʹ͠ͳ͍ʂ
None
ͳΜ͔εΫϩʔϧ͢Δͱ ΧΫπΫΜ͚ͩͲʜ
ͳΜ͔εΫϩʔϧ͢Δͱ ΧΫπΫΜ͚ͩͲʜ ͔ͣͬ͠ͱݟͯΔͱ ͕͘ͳͬͯΔؾ͕͢Δʂ
None
ಈը͕දࣔ͞Ε͍ͯΔͱ͖ʹͦ͏
None
˞J1IPOF J04 Λ༻
None
Ƃō
None
5FYUVSF8JEHFU͏ͱ ݹΊͷJ1IPOFͰύϑΥʔϚϯε͕ൃੜ 1MBUGPSN7JFXΛ͓͏ʂ
None
ݱࡏͷϏσΦϑϨʔϜͷ(16্ͷϐΫηϧόοϑΝʔΛ ຖϑϨʔϜ$16ʹίϐʔ͍ͯ͠Δ ͦΕ͕ॏͦ͏ʁ
1MBUGPSN7JFX͔͓ͭ?@?
None
ݟ͚ͭͨʂʂʂ ˞࣮ࡍͷϓϩμΫτͰɼωΠςΟϒଆͰ)-4ϓϨΠϦετͷඇಉظϩʔυ͕ඞཁͩͬͨΓ )%3ରԠ͕ඞཁͩͬͨΓͨ͠ͷͰɼͪ͜ΒͷϥΠϒϥϦΛࢀߟʹϑϧεΫϥονͯ͠·͢
˞J1IPOF J04 Λ༻
None
ͳΜ͔ΞΠίϯઃఆ ө͞ΕΔ·Ͱ͘ͳ͍ʁ
None
UP#ZUF%BUBͰQOHΛ%BSU7.Ͱ Τϯίʔυ͢Δͱ͜ΖͰ͕͔͔࣌ؒͬͯΔ
ϥΠϒϥϦଆͰը૾ʹͤͣ 3(#"όΠτͷ··ฦ͢Α͏ʹϥΠϒϥϦΛվ ωΠςΟϒଆͰ3(#"ΛΫϩοϓͯ͠ը૾Խ͢ΔΑ͏ʹʂ
None
None
J1IPOF࣌ܭͷͱ͜λοϓͰϦετ͕ Ұ൪্·Ͱͬͯཉ͍͠Μ͚ͩͲʜ
None
Ұ൪্·ͰεΫϩʔϧͯ͘͠Εͳ͍ʜ
4DB ff PME -JTU7JFX
4DB ff PME -JTU7JFX 1SJNBSZ4DSPMM$POUSPMMFS
4DB ff PME -JTU7JFX 1SJNBSZ4DSPMM$POUSPMMFS 1SJNBSZ4DSPMM$POUSPMMFS
4DB ff PME -JTU7JFX 1SJNBSZ4DSPMM$POUSPMMFS 4DSPMM$POUSPMMFS ԣʹεΫϩʔϧόʔΛग़ͨ͠Γ Ϧετඌ·ͰεΫϩʔϧ͞ΕͨݕΛ͢ΔͨΊՃ
4DB ff PME -JTU7JFX 1SJNBSZ4DSPMM$POUSPMMFS 4DSPMM$POUSPMMFS εΫϩʔϧόʔΛग़ͨ͠Γ Ϧετඌ·ͰεΫϩʔϧ͞ΕͨݕΛ͢ΔͨΊՃ εςʔλεόʔλοϓͷݕ ͬͪ͜ʹ͘Δʂ
4DB ff PME -JTU7JFX 1SJNBSZ4DSPMM$POUSPMMFS 4DSPMM$POUSPMMFS εΫϩʔϧόʔΛग़ͨ͠Γ Ϧετඌ·ͰεΫϩʔϧ͞ΕͨݕΛ͢ΔͨΊՃ εςʔλεόʔλοϓͷݕ ͬͪ͜ʹ͘Δʂ
ແԠʂ
4DB ff PME -JTU7JFX 1SJNBSZ4DSPMM$POUSPMMFS 4DSPMM$POUSPMMFS εΫϩʔϧόʔΛग़ͨ͠Γ Ϧετඌ·ͰεΫϩʔϧ͞ΕͨݕΛ͢ΔͨΊՃ εςʔλεόʔλοϓͷݕ ͬͪ͜ʹ͘Δʂ
ແԠʂ 1SJNBSZ4DSPMM$PUSPMMFSͷ λοϓݕΛΩϟον͢Εྑ͍ʂ
class _FakeScrollPositionWithSingleContext extends ScrollPositionWithSingleContext { _FakeScrollPositionWithSingleContext({ required BuildContext context, required
Future<void> Function() callback, }) : _callback = callback, super( physics: const NeverScrollableScrollPhysics(), context: _FakeScrollContext(context), ); final Future<void> Function() _callback; @override Future<void> animateTo( double to, { required Duration duration, required Curve curve, }) { return _callback.call(); } }
class _FakeScrollPositionWithSingleContext extends ScrollPositionWithSingleContext { _FakeScrollPositionWithSingleContext({ required BuildContext context, required
Future<void> Function() callback, }) : _callback = callback, super( physics: const NeverScrollableScrollPhysics(), context: _FakeScrollContext(context), ); final Future<void> Function() _callback; @override Future<void> animateTo( double to, { required Duration duration, required Curve curve, }) { return _callback.call(); } } ͕ࣗͨͪͨ͠ ίʔϧόοΫ͕ݺΕΔΑ͏ʹ
class _FakeScrollPositionWithSingleContext extends ScrollPositionWithSingleContext { _FakeScrollPositionWithSingleContext({ required BuildContext context, required
Future<void> Function() callback, }) : _callback = callback, super( physics: const NeverScrollableScrollPhysics(), context: _FakeScrollContext(context), ); final Future<void> Function() _callback; @override Future<void> animateTo( double to, { required Duration duration, required Curve curve, }) { return _callback.call(); } } ͕ࣗͨͪͨ͠ ίʔϧόοΫ͕ݺΕΔΑ͏ʹ 4DSPMM1PTJUJPO8JUI4JOHMF$POUFYUΛ ܧঝِͨ͠Λ࡞Δʂ
final primaryScrollController = PrimaryScrollController.maybeOf(Navigator.of(context).context) ?? PrimaryScrollController.maybeOf(context); if (primaryScrollController == null)
return; final scrollPositionWithSingleContext = _FakeScrollPositionWithSingleContext( context: context, callback: widget.onTap, ); primaryScrollController.attach(scrollPositionWithSingleContext);
final primaryScrollController = PrimaryScrollController.maybeOf(Navigator.of(context).context) ?? PrimaryScrollController.maybeOf(context); if (primaryScrollController == null)
return; final scrollPositionWithSingleContext = _FakeScrollPositionWithSingleContext( context: context, callback: widget.onTap, ); primaryScrollController.attach(scrollPositionWithSingleContext); ͦͷِΛ 1SJNBSZ4DSPMM$POUSPMMFSʹΞλονʂ
None
None
J1IPOFඪ४ͱൺͯ ֆจࣈͷදࣔখ͘͞ͳ͍ʁ
None
None
SwiftUI Flutter
SwiftUI Flutter
SwiftUI Flutter খ͍͞Θʂʂʂ
ྗٕͰ ղܾ
import 'package:flutter/material.dart'; class EmojiUtil { static const r = r'[#*0-9]\uFE0F?\u20E3|[\xA9\xAE\u203C\u2049\u2122\u2139\u2194-
\u2199\u21A9\u21AA\u231A\u231B\u2328\u23CF\u23ED- \u23EF\u23F1\u23F2\u23F8- \u23FA\u24C2\u25AA\u25AB\u25B6\u25C0\u25FB\u25FC\u25FE\u2600- \u2604\u260E\u2611\u2614\u2615\u2618\u2620\u2622\u2623\u2626\u262A\u262E \u262F\u2638-\u263A\u2640\u2642\u2648- \u2653\u265F\u2660\u2663\u2665\u2666\u2668\u267B\u267E\u267F\u2692\u2694 - \u2697\u2699\u269B\u269C\u26A0\u26A7\u26AA\u26B0\u26B1\u26BD\u26BE\u26C4 \u26C8\u26CF\u26D1\u26E9\u26F0- \u26F5\u26F7\u26F8\u26FA\u2702\u2708\u2709\u270F\u2712\u2714\u2716\u271D \u2721\u2733\u2734\u2744\u2747\u2757\u2763\u27A1\u2934\u2935\u2B05- \u2B07\u2B1B\u2B1C\u2B55\u3030\u303D\u3297\u3299]\uFE0F?| [\u261D\u270C\u270D](?:\uFE0F|\uD83C[\uDFFB-\uDFFF])?|[\u270A\u270B](?: \uD83C[\uDFFB-\uDFFF])?|[\u23E9- \u23EC\u23F0\u23F3\u25FD\u2693\u26A1\u26AB\u26C5\u26CE\u26D4\u26EA\u26FD \u2705\u2728\u274C\u274E\u2753-\u2755\u2795-\u2797\u27B0\u27BF\u2B50]| \u26D3\uFE0F?(?:\u200D\uD83D\uDCA5)?|\u26F9(?:\uFE0F|\uD83C[\uDFFB-
text.splitMapJoin( EmojiUtil.regex, onMatch: (m) { final emojiCharacters = m.group(0)!.characters; for
(final emojiCharacter in emojiCharacters) { state._add(emojiCharacter, true); } return ''; }, onNonMatch: (s) { if (s == '\u200D') { // ZeroWidthJoinerֆจࣈͱͯ͠ొ͓ͯ͘͠ state._add(s, true); } else { state._add(s, false); } return ''; }, ); return state._build(); } }
text.splitMapJoin( EmojiUtil.regex, onMatch: (m) { final emojiCharacters = m.group(0)!.characters; for
(final emojiCharacter in emojiCharacters) { state._add(emojiCharacter, true); } return ''; }, onNonMatch: (s) { if (s == '\u200D') { // ZeroWidthJoinerֆจࣈͱͯ͠ొ͓ͯ͘͠ state._add(s, true); } else { state._add(s, false); } return ''; }, ); return state._build(); } } ड͚औͬͨςΩετΛ ֆจࣈͱจࣈʹׂ
TextStyle _emojiStyle(TextStyle textStyle, double originalFontSize) { if (Platform.isAndroid) { return
textStyle; } else { return textStyle.copyWith( fontSize: textStyle.fontSize! * 1.4, fontFamilyFallback: [], height: 1.0, ); } } ͱΓ͋͑ͣഒʹͯ͠ΈΔʂ
Before After
࣮ࡍͷϓϩμΫτͰͪ͜ΒͷJTTVFΛࢀߟʹɼϑΥϯτͷେ͖͞ʹΑͬͯֆจࣈͷഒΛม͑ͨΓ จࣈͱ֦େֆจࣈͷηϯλʔϥΠϯΛἧ͑ͨΓ͍ͯ͠·͢ʂ
None
ͳΜ͔J1IPOFͩͱ จࣈ͕ࡉͯ͘ݟʹ͍͘ؾ͕͢Δʜ
SwiftUI Flutter
None
None
ϑΥϯτϨϯμϦϯά࣌ͷ ΞϯνΤΠϦΞεͷೱ͕ωΠςΟϒͱҧ͏ʂ
ྗٕͰ ղܾ
return Scaffold( backgroundColor: Colors.white, appBar: AppBar( title: Text(widget.title), ), body:
const Center( child: Stack( children: [ Text( 'Hello, FlutterKaigi 2024 LT!', style: TextStyle(fontSize: 24), ), Text( 'Hello, FlutterKaigi 2024 LT!', style: TextStyle(fontSize: 24), ), ], ), ), );
ild: Stack( children: [ Text( 'Hello, FlutterKaigi 2024 LT!', style:
TextStyle(fontSize: 24), ), Text( 'Hello, FlutterKaigi 2024 LT!', style: TextStyle(fontSize: 24), ),
Before After
˞࣮ࡍͷϓϩμΫτͰͪ͜ΒͷJTTVFίϝϯτIUUQTHJUIVCDPN fl VUUFS fl VUUFSJTTVFTJTTVFDPNNFOUΛࢀߟʹ ͨͩ4UBDLͰॏͶΔͷͰͳ͘4USPLFΛௐͯͨ͠Γ͠·͢ʂ
Sample GitHub: https://github.com/kno3a87/flutterkaigi-2024-lt ͓ΘΓ
,VOP"ZBOB גࣜձࣾ.*9*ͨΜΆΆࣨ 'MVUUFS,BJHJӡӦελοϑ