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
600件のPull RequestからみたXamarinのはまりどころ
Search
Nobuhiro Ito
May 07, 2016
Technology
3
4.3k
600件のPull RequestからみたXamarinのはまりどころ
2016/05/07(Sat) Japan Xamarin User Group #13 Xamarinのすべて!
Nobuhiro Ito
May 07, 2016
Tweet
Share
More Decks by Nobuhiro Ito
See All by Nobuhiro Ito
Introduction of Aizome - 多言語対応とスタイル適用を両立する書式付き文字列ライブラリ
iseebi
0
110
Bitriseで本をビルドする / Build a book with Bitrise
iseebi
0
160
BitriseでmacOSアプリをビルドする / Build macOS apps with Bitrise
iseebi
1
800
iOS/Androidアプリ転送ツール TransporterPadの紹介
iseebi
0
6.1k
Apple Developer Enterprise Program でどこまでいけるのか
iseebi
0
780
ReactiveProperty を使ったアプリの設計に Realm Xamarin を組み合わせる
iseebi
0
660
ReactiveProperty で Xamarin アプリの作り方が変わった
iseebi
3
1.7k
Yet Another Cross Platform Development
iseebi
0
4.2k
XamarinでPDFを作る
iseebi
1
1.7k
Other Decks in Technology
See All in Technology
サラリーマンの小遣いで作るtoCサービス - Cloudflare Workersでスケールする開発戦略
shinaps
2
470
Android Audio: Beyond Winning On It
atsushieno
0
2.4k
実践!カスタムインストラクション&スラッシュコマンド
puku0x
0
520
Generative AI Japan 第一回生成AI実践研究会「AI駆動開発の現在地──ブレイクスルーの鍵を握るのはデータ領域」
shisyu_gaku
0
330
品質視点から考える組織デザイン/Organizational Design from Quality
mii3king
0
210
データ分析エージェント Socrates の育て方
na0
6
2k
Snowflake Intelligenceにはこうやって立ち向かう!クラシルが考えるAI Readyなデータ基盤と活用のためのDataOps
gappy50
0
280
Snowflake Intelligence × Document AIで“使いにくいデータ”を“使えるデータ”に
kevinrobot34
1
110
「全員プロダクトマネージャー」を実現する、Cursorによる仕様検討の自動運転
applism118
22
12k
会社紹介資料 / Sansan Company Profile
sansan33
PRO
6
380k
COVESA VSSによる車両データモデルの標準化とAWS IoT FleetWiseの活用
osawa
1
380
はじめてのOSS開発からみえたGo言語の強み
shibukazu
3
970
Featured
See All Featured
CoffeeScript is Beautiful & I Never Want to Write Plain JavaScript Again
sstephenson
162
15k
The Psychology of Web Performance [Beyond Tellerrand 2023]
tammyeverts
49
3k
CSS Pre-Processors: Stylus, Less & Sass
bermonpainter
358
30k
Imperfection Machines: The Place of Print at Facebook
scottboms
268
13k
Visualization
eitanlees
148
16k
Making the Leap to Tech Lead
cromwellryan
135
9.5k
Measuring & Analyzing Core Web Vitals
bluesmoon
9
580
Put a Button on it: Removing Barriers to Going Fast.
kastner
60
4k
I Don’t Have Time: Getting Over the Fear to Launch Your Podcast
jcasabona
33
2.4k
[Rails World 2023 - Day 1 Closing Keynote] - The Magic of Rails
eileencodes
36
2.5k
Designing Experiences People Love
moore
142
24k
10 Git Anti Patterns You Should be Aware of
lemiorhan
PRO
656
61k
Transcript
600݅ͷPull Request ͔ΒΈͨ Xamarin ·ΓϙΠϯτ Nobuhiro Ito / Fenrir Inc.
@ Japan Xamarin User Group Conference #13, 2016/05/07(Sat)
@iseebi Nobuhiro Ito Fenrir Inc. Smartphone App Engineer http://iseebi.hatenablog.com/
ձࣾͱͯ͠Xamarinྺ2Ҏ্ ా͞Μ͕XamarinऔΓѻ͍͡ΊΔલ͔ΒͬͯΔ
MvvmCross Ψν ͨͩ࠷ۙͬͱଞͷͷΛࢼ͍ͨ͠ͱࢥͬͯΔ… ※px୯ҐͰϨΠΞτࢦ͕ࣔඈΜͰ͘ΔͷͰFormsͰରॲͰ͖ͳ͍
࠷ۙͷ͓ࣄ ΞϓϦͷ։ൃͷ͔ͨΘΒɺύοέʔδͷϓϩμΫτΦʔφʔͬͯ·͢ɻ
͋ΔϓϩδΣΫτͷ͓Λ͠·͢
ϓϩδΣΫτͷཧମ੍ͷมԽ • 2011, 2012 ωΠςΟϒ / Subversion (2012ͷ్த͔ΒgitҠߦ), Redmine •
2013, 2014 Xamarin / git, Redmine, Backlog, TeamGantt • 2015 Xamarin / GitHub Enterprise, Redmine, Backlog, TeamGantt
GitHub Enterprise ʹͯ͠Α͔ͬͨ͜ͱ • શ෦ Pull Request ͰϨϏϡʔͰ͖Δ • ͋ͱ͔Β༷ʑͳ͜ͱΛৼΓฦΔ͜ͱ͕Ͱ͖Δɻ
͋ͱ͔ΒৼΓฦΔ͜ͱ͕Ͱ͖Δ • ίϛοτͷճͱ͔ • ͲΜͳίϛοτΛ͔ͨ͠ͱ͔ (શ෦ Pull Request ͰݟΕΔ)
None
4ϲ݄Ͱͪΐ͏ͲͽͬͨΓPR 600݅ ࠓ͜ͷத͔Β ಛʹʮۤ͠Μͩͳʔʯͱ͍͏ͱ͜ΖΛ ͔͍ͭ·ΜͰ͝հ
ͦͷ1 HTTPϋϯυϥෆ҆ఆࣄ݅
Hello, ModernHttpClient • աڈͷ։ൃ͔ΒɺHttpWebRequest ͩͱ Android Ͱ ·Εʹ DNS
͕1΄ͲҾ͚ͳ͘ͳΓɺ௨৴Ͱ͖ͳ͘ͳΔ͜ͱ͕Θ͔͍ͬͯͨɻ • 2015ModernHttpClientΛ͏͜ͱܾΊ͍ͯͨɻ • HttpClient ͷҾʹ͢ HttpClientHandler ͱͯ͢͠ NativeMessageHandler Λఏڙͯ͘͠ΕΔɻ • iOS 9 ͷ ATS ରԠͱͯ͠ඞਢͩͬͨɻ
iOS 8 ͔͋ΜΜ… • ModernHttpClient ͷಋೖࣗମΘΓͱ͢ΜͳΓͰ͖ͨɻ • AutomaticDecompression = true
Λࢦఆ͍ͯ͠Δͱ iOS ͰΫϥογϡ͢Δͱ͔͋ͬͨɻ • ͔͠͠ɺࠓ iOS 8 Ͱ HTTP ͕௨Βͳ͘ͳΔݱ͕ൃੜ͢Δ…
CFNetworkHandler…ࠓiOS9͕͔͋Μ… • ModernHttpClientಉ༷ʹɺHttpClientHandlerͱͯ͑͠Δ System.Net.Http.CFNetworkHandler ͕ೖ͍ͬͯͨͷͰ͏ɻ • iOS 8Ͱ҆ఆ͢Δ͕ɺiOS 9 Ͱ
https ͕௨Βͳ͘ͳͬͨɻ • iOS 8 Ҏલ CFNetworkHandlerɺ ͦΕҎ֎Ͱ NativeMessageHandler Λ ༻͢ΔΑ͏ʹ͢Δ͜ͱͰղܾɻ • NSUrlSessionHandler/AndroidClientHandler ͕ඪ४ࡌ͞Ε(Δ|ͨ)Β͍͠ͷͰظɻ J04PS&BSMJFS $'/FUXPSL)BOEMFS J04 /BUJWF.FTTBHF)BOEMFS "OESPJE /BUJWF.FTTBHF)BOEMFS
ͦͷ2 Content Description จࣈԽ͚ࣄ݅ @Android
ࣗಈςετ͠·͠ΐ͏…·͓ͨ·͔͑Galaxy! • Android ͷ UI ςετΛ͢Δ͜ͱʹͳ͍ͬͯͨͷͰɺContent Description Λࢦఆ͍ͯͨ͠ɻ • ຊͷἧ͑ͷͰ
Xamarin Test Cloud Ͱͳ͘ɺ Remote TestKit ͱUIAutomator ͷΈ߹Θͤɻ • ຊޠͷ Content Description Λࢦఆ͍ͯ͠Δͱ Galaxy S6 edge Ͱ͜ͱ͝ͱ͘??????????????ʹจࣈԽ͚ɻ • ݁ہӳޠࢦఆ͠ɺϦϦʔεલʹ͢͜ͱͰղܾɻXTC ͬͯͯʹͳΔ͔ʁ
ͦͦGalaxyͱXamarinͷ૬ੑ͕ѱ͍ • جຊతʹԿ͔͋Δͷ GalaxyɻS4, S5, S6 શ෦Ϡό͍ɻ • Galaxy S4
4.2.1 ͕ಛʹϠό͍ɻଞͷͰಈ͍͍ͯΔίʔυ͕ී௨ʹམͪΔɻ • ͦͯ͜͠ͷͳΜͱUSBσόοάͰ͖ͳ͍ʢʂʣ • ͨͩɺ͍͕ͭ͜མ͍ͪͯΔͷ্࣮ؒҧ͍ͬͯͨͱ͍͏͜ͱ͔Γͩͬͨɻ • ͖ͬͪΓςετ͍ͨ͠Ϛκͳํ1ήοτ͓ͯ͘͠ͱྑ͍͔ɻ
ͦͷ3 ARM64Ͱଈࢮࣄ݅ @Android
64bit ͷ .so ͕͋Δͱ ABI 64bit ͳ͍ͱࢮ͵ • Android൛ͰRealmґଘ͍ͯ͠ΔωΠςΟϒϥΠϒϥϦΛ͍ͬͯͨɻ
• XamarinͰ͍ͬͯͳ͔ͬͨɻωΠςΟϒϥΠϒϥϦࢀর͍ͯ͠ΔͷΈɻ • ͢ΔͱGalaxy S6ͳͲͷARM64Ͱଈࢮ͢Δ • libmonodroid.so͕ͳ͍ͱग़ͨɻΞϓϦࣗମABI͍࣋ͬͯͳ͍͕ɺ Realm ͷωΠςΟϒϥΠϒϥϦͷ .so ͕ల։͞Εͨ͜ͱͰඞཁʹͳͬͯ͠·ͬͨɻ • ΞϓϦଆ64bit ABI Λαϙʔτͤ͞Δ͜ͱͰղܾɻ
ͦͷ4 ऴྃͨͣ͠ͷը໘ͷը૾͕ ͬͯͯϝϞϦෆࣄ݅
͋ͪͪ͜Ͱىͬͨ͜ • ը૾͕ϝϞϦ্ʹͬͯϦʔΫ / OOM • ಛʹ Android ͷ AnimationDrawable
͕͠Ϳͱ͔ͬͨ
ίʔυͷதͰ࡞ͬͨΦϒδΣΫτඞͣղ์ʂ • ϑΟʔϧυʹࢀরΛ࣋ͬͨ ΦϒδΣΫτ ඞͣ Dispose/ࢀর֎͢͠Δ UIButton appendButton; public
override void ViewDidLoad () { base.ViewDidLoad (); appendButton = new UIButton(new CGRect(10,10, 200, 48)); View.AddSubview(appendButton); } protected override void Dispose(bool disposing) { if (disposing) { if (appendButton != null) { appendButton.Dispose(); appendButton = null; } } base.Dispose(disposing); }
iOSͷ߹: Image,Layer ͷதղ์͢Δ • ϓϩϑΝΠϥͰΈͨͱ͖ը૾͕͍ͬͯͨ͜ͱ͕͋Δ • ͦ͏͍͏ͱ͖ ImageView ͷ Image,
Layer.SubLayers ۭʹͯ͠ɺ RemoveFromSuperview ͢Δͱྑ͍ɻ if (HogeImageView != null) { HogeImageView.Image = null; if (HogeImageView.Layer != null) { HogeImageView.Layer.Sublayers = null; } HogeImageView.RemoveFromSuperview(); }
Android: AnimationDrawable ͷ State ղ์ • AnimationDrawable Λͬͨ߹ɺ தͷϑϨʔϜͷBitmap͕ ղ์͞Εͳ͍ͷͰɺ
ࣗͰதΛRecycleͯ͠ SetState Ͱࢀরղ์ͯ͠Δɻ void RecycleAnimationDrawable() { if (_drawableAnimation == null) { return; } for (int i = 0; i < _drawableAnimation.NumberOfFrames; ++i) { var frame = _drawableAnimation.GetFrame(i); var bitmap = frame as BitmapDrawable; if ((bitmap != null) && !bitmap.IsRecycled) { bitmap.Recycle(); bitmap.Dispose(); } frame.Callback = null; } _drawableAnimation.Callback = null; _drawableAnimation.SetState(new int[] { }); _drawableAnimation = null; }
ͦͷ5 MvvmCross ͷ ListViewAdapter Viewੜ࣌ʹແବʹηοτ͕ಈ͘ @Android
MvxListView ͷ MvxAdapter • MvxListView ༻ʹόΠϯσΟϯάՄೳͳ ViewItem Λఏڙ͢Δ Adapter •
ͦͷ··͏͜ͱɺΧελϜͯ͠͏͜ͱͰ͖Δɻ • CreateBindableView ΛΦʔόʔϥΠυ͢Δɻ • ͳ͔ͥ CreateBindableView ͷੜ࣌ʹΫϥογϡͯ͠͠·͏͜ͱ͕͋ͬͨɻ • ߲ View ͷ MvxImageView ͷதͰ SetImageDrawable(null) ͕ಈ͍͍ͯͨɻ
CreateBindableView ൈ͚Δલʹ Binding ߋ৽͞ΕΔͷμϝ protected override IMvxListItemView CreateBindableView(object dataContext, int
templateId) { var itemView = base.CreateBindableView(dataContext, templateId); var view = itemView as View; if (view != null) { var imageView = view.FindViewById<MvxImageView>(Resource.Id.timeline_image); imageView.ErrorImageResourceId = Resource.Drawable.img_live_object_loadfail; } return itemView; } %BUB$POUFYUͷ४උ͕ऴΘͬͯͳ͍λΠϛϯάͰݺΕΔ ˠը૾͕OVMM͕ೖͬͯ͘ΔՄೳੑ͕͋Δ
DataContext ॳظԽऴΘ͔ͬͯΒܨ͙ protected override IMvxListItemView CreateBindableView(object dataContext, int templateId) {
var itemView = base.CreateBindableView(null, templateId); var view = itemView as View; if (view != null) { var imageView = view.FindViewById<MvxImageView>(Resource.Id.timeline_image); imageView.ErrorImageResourceId = Resource.Drawable.img_live_object_loadfail; } itemView.DataContext = dataContext; return itemView; }
ͦͷ6 iOS 8 ͰىಈޙҰൃͷ γϟολʔԻ͕໐Βͳ͍
iOS 8 ͷγϟολʔ໐Βͳ͍όά • ຊࠃ͚ͷ iPhone ͰαΠϨϯτϞʔυʹ͍ͯͯ͠ γϟολʔԻ͕ͳΔ • ͔͠͠ɺiOS
8 Ͱ OS ىಈޙ 1 ճͷγϟολʔԻ͕໐Βͳ͍ɻ • Α͘ΒΕͨ iOS ࣗମͷόά
iOS 8 ͷॳճͷΈɺ ڧ੍తʹγϟολʔԻΛ໐Β͢ (Βͳ͍ํ͕ྑ͍) • iOS ΈࠐΈͷޮՌԻΛ໐Β͢ AudioToolBox.SystemSound •
1108 ൪Λࢦఆ͢ΔͱɺΧϝϥͱಉ݅͡Ͱγϟολʔ͕໐Δ • iOS 8 ͷఆ UIDevice.CurrentDevice.CheckSystemVersion ͰՄೳɻ • ౾ࣝɿ͜ͷϝιου Xamarin ಠ֦ࣗு
iOS 8 ͷॳճͷΈɺ ڧ੍తʹγϟολʔԻΛ໐Β͢ (Βͳ͍ํ͕ྑ͍) needDummyShutterSound = UIDevice.CurrentDevice.CheckSystemVersion(8, 0)
&& !UIDevice.CurrentDevice.CheckSystemVersion(9, 0) && !dummyShutterSoundPlayed; : : if (needDummyShutterSound) { needDummyShutterSound = false; dummyShutterSoundPlayed = true; var sound = new AudioToolbox.SystemSound(1108); sound.PlaySystemSound(); } J04Ҏ্ɺJ04Ҏ্Ͱͳ͍ ͔ͭ·ͩ໐Βͯ͠ͳ͍ TUBUJDϑΟʔϧυ ൪ͷγεςϜαϯυΛ໐Β͢
·ͱΊ
ओͳ·ΓϙΠϯτճආํ๏ • HTTP௨৴पΓ ModernHttpClient (͘͠NSUrlSessionHandler/AndroidSessionHandler)Λ͏ɻ iOS 8 ҎԼ CFNetworkHandler
Λͬͨ΄͏͕Αͦ͞͏ɻ • ࢀরͨ͠ωΠςΟϒΦϒδΣΫτ͖ͪΜͱղ์͢Δɻ ಛʹը૾पΓղ์ʹؾΛ͚ͭΔɻ • Galaxyɺઈର͍ͭ͜Կ͔͋Δɻ1 ͋Δͱσόοάʹศརɻ Xamarin Test Cloud ʹ͍ͬͺ͍͋Γͦ͏͔ͩΒ׆༻͠Α͏ɻ
͍͞͝ʹ