600件のPull RequestからみたXamarinのはまりどころ
by
Nobuhiro Ito
Link
Embed
Share
Beginning
This slide
Copy link URL
Copy link URL
Copy iframe embed code
Copy iframe embed code
Copy javascript embed code
Copy javascript embed code
Share
Tweet
Share
Tweet
Slide 1
Slide 1 text
600݅ͷPull Request ͔ΒΈͨ Xamarin ·ΓϙΠϯτ Nobuhiro Ito / Fenrir Inc. @ Japan Xamarin User Group Conference #13, 2016/05/07(Sat)
Slide 2
Slide 2 text
@iseebi Nobuhiro Ito Fenrir Inc. Smartphone App Engineer http://iseebi.hatenablog.com/
Slide 3
Slide 3 text
ձࣾͱͯ͠Xamarinྺ2Ҏ্ ా͞Μ͕XamarinऔΓѻ͍͡ΊΔલ͔ΒͬͯΔ
Slide 4
Slide 4 text
MvvmCross Ψν ͨͩ࠷ۙͬͱଞͷͷΛࢼ͍ͨ͠ͱࢥͬͯΔ… ※px୯ҐͰϨΠΞτࢦ͕ࣔඈΜͰ͘ΔͷͰFormsͰରॲͰ͖ͳ͍
Slide 5
Slide 5 text
࠷ۙͷ͓ࣄ ΞϓϦͷ։ൃͷ͔ͨΘΒɺύοέʔδͷϓϩμΫτΦʔφʔͬͯ·͢ɻ
Slide 6
Slide 6 text
͋ΔϓϩδΣΫτͷ͓Λ͠·͢
Slide 7
Slide 7 text
ϓϩδΣΫτͷཧମ੍ͷมԽ • 2011, 2012 ωΠςΟϒ / Subversion (2012ͷ్த͔ΒgitҠߦ), Redmine • 2013, 2014 Xamarin / git, Redmine, Backlog, TeamGantt • 2015 Xamarin / GitHub Enterprise, Redmine, Backlog, TeamGantt
Slide 8
Slide 8 text
GitHub Enterprise ʹͯ͠Α͔ͬͨ͜ͱ • શ෦ Pull Request ͰϨϏϡʔͰ͖Δ • ͋ͱ͔Β༷ʑͳ͜ͱΛৼΓฦΔ͜ͱ͕Ͱ͖Δɻ
Slide 9
Slide 9 text
͋ͱ͔ΒৼΓฦΔ͜ͱ͕Ͱ͖Δ • ίϛοτͷճͱ͔ • ͲΜͳίϛοτΛ͔ͨ͠ͱ͔ (શ෦ Pull Request ͰݟΕΔ)
Slide 10
Slide 10 text
No content
Slide 11
Slide 11 text
4ϲ݄Ͱͪΐ͏ͲͽͬͨΓPR 600݅ ࠓ͜ͷத͔Β ಛʹʮۤ͠Μͩͳʔʯͱ͍͏ͱ͜ΖΛ ͔͍ͭ·ΜͰ͝հ
Slide 12
Slide 12 text
ͦͷ1 HTTPϋϯυϥෆ҆ఆࣄ݅
Slide 13
Slide 13 text
Hello, ModernHttpClient • աڈͷ։ൃ͔ΒɺHttpWebRequest ͩͱ Android Ͱ ·Εʹ DNS ͕1΄ͲҾ͚ͳ͘ͳΓɺ௨৴Ͱ͖ͳ͘ͳΔ͜ͱ͕Θ͔͍ͬͯͨɻ • 2015ModernHttpClientΛ͏͜ͱܾΊ͍ͯͨɻ • HttpClient ͷҾʹ͢ HttpClientHandler ͱͯ͢͠ NativeMessageHandler Λఏڙͯ͘͠ΕΔɻ • iOS 9 ͷ ATS ରԠͱͯ͠ඞਢͩͬͨɻ
Slide 14
Slide 14 text
iOS 8 ͔͋ΜΜ… • ModernHttpClient ͷಋೖࣗମΘΓͱ͢ΜͳΓͰ͖ͨɻ • AutomaticDecompression = true Λࢦఆ͍ͯ͠Δͱ iOS ͰΫϥογϡ͢Δͱ͔͋ͬͨɻ • ͔͠͠ɺࠓ iOS 8 Ͱ HTTP ͕௨Βͳ͘ͳΔݱ͕ൃੜ͢Δ…
Slide 15
Slide 15 text
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
Slide 16
Slide 16 text
ͦͷ2 Content Description จࣈԽ͚ࣄ݅ @Android
Slide 17
Slide 17 text
ࣗ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
Slide 18
Slide 18 text
ͦͦGalaxyͱXamarinͷ૬ੑ͕ѱ͍ • جຊతʹԿ͔͋Δͷ GalaxyɻS4, S5, S6 શ෦Ϡό͍ɻ • Galaxy S4 4.2.1 ͕ಛʹϠό͍ɻଞͷͰಈ͍͍ͯΔίʔυ͕ී௨ʹམͪΔɻ • ͦͯ͜͠ͷͳΜͱUSBσόοάͰ͖ͳ͍ʢʂʣ • ͨͩɺ͍͕ͭ͜མ͍ͪͯΔͷ্࣮ؒҧ͍ͬͯͨͱ͍͏͜ͱ͔Γͩͬͨɻ • ͖ͬͪΓςετ͍ͨ͠Ϛκͳํ1ήοτ͓ͯ͘͠ͱྑ͍͔ɻ
Slide 19
Slide 19 text
ͦͷ3 ARM64Ͱଈࢮࣄ݅ @Android
Slide 20
Slide 20 text
64bit ͷ .so ͕͋Δͱ ABI 64bit ͳ͍ͱࢮ͵ • Android൛ͰRealmґଘ͍ͯ͠ΔωΠςΟϒϥΠϒϥϦΛ͍ͬͯͨɻ • XamarinͰ͍ͬͯͳ͔ͬͨɻωΠςΟϒϥΠϒϥϦࢀর͍ͯ͠ΔͷΈɻ • ͢ΔͱGalaxy S6ͳͲͷARM64Ͱଈࢮ͢Δ • libmonodroid.so͕ͳ͍ͱग़ͨɻΞϓϦࣗମABI͍࣋ͬͯͳ͍͕ɺ Realm ͷωΠςΟϒϥΠϒϥϦͷ .so ͕ల։͞Εͨ͜ͱͰඞཁʹͳͬͯ͠·ͬͨɻ • ΞϓϦଆ64bit ABI Λαϙʔτͤ͞Δ͜ͱͰղܾɻ
Slide 21
Slide 21 text
ͦͷ4 ऴྃͨͣ͠ͷը໘ͷը૾͕ ͬͯͯϝϞϦෆࣄ݅
Slide 22
Slide 22 text
͋ͪͪ͜Ͱىͬͨ͜ • ը૾͕ϝϞϦ্ʹͬͯϦʔΫ / OOM • ಛʹ Android ͷ AnimationDrawable ͕͠Ϳͱ͔ͬͨ
Slide 23
Slide 23 text
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); }
Slide 24
Slide 24 text
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(); }
Slide 25
Slide 25 text
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; }
Slide 26
Slide 26 text
ͦͷ5 MvvmCross ͷ ListViewAdapter Viewੜ࣌ʹແବʹηοτ͕ಈ͘ @Android
Slide 27
Slide 27 text
MvxListView ͷ MvxAdapter • MvxListView ༻ʹόΠϯσΟϯάՄೳͳ ViewItem Λఏڙ͢Δ Adapter • ͦͷ··͏͜ͱɺΧελϜͯ͠͏͜ͱͰ͖Δɻ • CreateBindableView ΛΦʔόʔϥΠυ͢Δɻ • ͳ͔ͥ CreateBindableView ͷੜ࣌ʹΫϥογϡͯ͠͠·͏͜ͱ͕͋ͬͨɻ • ߲ View ͷ MvxImageView ͷதͰ SetImageDrawable(null) ͕ಈ͍͍ͯͨɻ
Slide 28
Slide 28 text
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(Resource.Id.timeline_image); imageView.ErrorImageResourceId = Resource.Drawable.img_live_object_loadfail; } return itemView; } %BUB$POUFYUͷ४උ͕ऴΘͬͯͳ͍λΠϛϯάͰݺΕΔ ˠը૾͕OVMM͕ೖͬͯ͘ΔՄೳੑ͕͋Δ
Slide 29
Slide 29 text
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(Resource.Id.timeline_image); imageView.ErrorImageResourceId = Resource.Drawable.img_live_object_loadfail; } itemView.DataContext = dataContext; return itemView; }
Slide 30
Slide 30 text
ͦͷ6 iOS 8 ͰىಈޙҰൃͷ γϟολʔԻ͕໐Βͳ͍
Slide 31
Slide 31 text
iOS 8 ͷγϟολʔ໐Βͳ͍όά • ຊࠃ͚ͷ iPhone ͰαΠϨϯτϞʔυʹ͍ͯͯ͠ γϟολʔԻ͕ͳΔ • ͔͠͠ɺiOS 8 Ͱ OS ىಈޙ 1 ճͷγϟολʔԻ͕໐Βͳ͍ɻ • Α͘ΒΕͨ iOS ࣗମͷόά
Slide 32
Slide 32 text
iOS 8 ͷॳճͷΈɺ ڧ੍తʹγϟολʔԻΛ໐Β͢ (Βͳ͍ํ͕ྑ͍) • iOS ΈࠐΈͷޮՌԻΛ໐Β͢ AudioToolBox.SystemSound • 1108 ൪Λࢦఆ͢ΔͱɺΧϝϥͱಉ݅͡Ͱγϟολʔ͕໐Δ • iOS 8 ͷఆ UIDevice.CurrentDevice.CheckSystemVersion ͰՄೳɻ • ౾ࣝɿ͜ͷϝιου Xamarin ಠ֦ࣗு
Slide 33
Slide 33 text
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
Slide 34
Slide 34 text
·ͱΊ
Slide 35
Slide 35 text
ओͳ·ΓϙΠϯτճආํ๏ • HTTP௨৴पΓ ModernHttpClient (͘͠NSUrlSessionHandler/AndroidSessionHandler)Λ͏ɻ iOS 8 ҎԼ CFNetworkHandler Λͬͨ΄͏͕Αͦ͞͏ɻ • ࢀরͨ͠ωΠςΟϒΦϒδΣΫτ͖ͪΜͱղ์͢Δɻ ಛʹը૾पΓղ์ʹؾΛ͚ͭΔɻ • Galaxyɺઈର͍ͭ͜Կ͔͋Δɻ1 ͋Δͱσόοάʹศརɻ Xamarin Test Cloud ʹ͍ͬͺ͍͋Γͦ͏͔ͩΒ׆༻͠Α͏ɻ
Slide 36
Slide 36 text
͍͞͝ʹ