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ノハナのアプリを爆速で動くようにした話
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Keishin Yokomaku
May 15, 2014
Programming
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2.9k
ノハナのアプリを爆速で動くようにした話
Keishin Yokomaku
May 15, 2014
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Transcript
ϊϋφͷΞϓϦΛരͰ ಈ͘Α͏ʹͨ͠ @KeithYokoma
ࣗݾհ @KeithYokoma(ԣນ ܓਅ) 2011 גࣜձࣾϛΫγΟೖࣾ ϊϋφͷதͷਓ Android ΞϓϦͷਓ
Available on Kindle Store http://amzn.to/1mZNydv
ࠓͷ͓ Parse ͱ্खʹ͖ͭ͋͏ ઃܭΛ͍͍ײ͡ʹ͢Δ
ϊϋφͷόοΫΤϯυ Parse.com ParseSDK
ParseSDK ҎԼͷ͜ͱΛͯ͘͠ΕΔ ɾόοΫΤϯυͷϦΫΤετ ɾऔಘͨ͠σʔλͷཧ ɾϢʔβΞΧϯτͷηογϣϯཧ ɾetc…
ParseSDK ͷಛ 1. ඇಉظॲཧ͕؆୯ʹѻ͑Δ
ParseSDK Ͱඇಉظॲཧ ParseQuery<ParseObject> query = ParseQuery.getQuery(“SomeData”); query.findInBackground(new FindCallback<ParseObject>() { public
void done(List<ParseObject> result, ParseException e) { if (e == null) { // Normal } else { // Error } } });
ParseSDK ͷಛ 2. ৼΔ͍Λ֦ுͰ͖Δ
ParseSDK ͰৼΔ͍Λ֦ு public class SomeData extends ParseObject { @Override public
void saveInBackground(SaveCallback callback) { if (!isValidName()) { callback.done(new ParseException()); } super.saveInBackground(callback); } }
ParseSDK ͷಛ 3. ΩϟογϡجຊͷϩδοΫӅṭ͞ΕΔ SDK ͕Α͠ͳʹ໘Λݟͯ͘ΕΔ
؆୯ʂ
1BSTF0CKFDU 1IPUP#PPL 1IPUP 1BHF ʜ
ڞ௨ͷॲཧ͋ΔΑͶʂ
1BSTF0CKFDU 1IPUP#PPL 1IPUP 1BHF ʜ *NBHF.PEFM .PEFM /FXT ʜ
–ϨϏϡʔ “ڧ੍ऴྃ͢Δ”
–ϨϏϡʔ “͑ͳ͍ɻ ͙͢ڧ੍ऴྃʹͳͬͯຊʹ͑ͳ͍”
–Crashlytics “New Fatal Issue Discovered in ϊϋφ”
ParseSDK ͷ᠘ 1. ඇಉظॲཧ͕φΠʔϒ ɾϝΠϯεϨουͰ wait ͢Δॴ͕͋Δ ɾContext ͷੜࢮʹؔΘΒͣίʔϧόοΫΛ ݺͿ
ParseSDK ͷ᠘ 2. ϦΫΤετͷϦτϥΠ͕Լख >> java.lang.IllegalStateException: Manager is shut down.
<<
ParseSDK ͷ᠘ 3. ΦϑϥΠϯͷରԠ͕ࡶ ɾίωΫγϣϯ͕ແ͍ͱΑ͘མͪΔ
ParseSDK ͷ᠘ 4. υΩϡϝϯτʹͳ͍Τϥʔ͕ฦͬͯ͘Δ ɾෛՙ্͕͕ΔͱΑ͘ى͜Δ
ParseSDK ͷ᠘ 5. औ͖ͬͯͨσʔλΛऔΓग़͢ͷ࣌ؒ৯͏ ɾParseObject#get**(String) ɾreturn ʹࢸΔ·ͰͷνΣοΫ͕ωοΫ ɾParseObjectͷίϨΫγϣϯ͓͠Լ͍͞
ϊϋφͰ ParseSDK ParseObject ͷ֦ுΫϥε܈ ɾϞσϧͷࣄશ෦ͦͷதʹ ɾڊେϞσϧʹ ɾςετͳ͍ ɾϝϞϦϦʔΫͷڪාʹک͑Δຖ
–ඵ5Ϋϥογϡ “ͨͪͷલʹ ະͩڊେ͗͢ΔϞσϧ͕ ᣔയͱͨ͠ΫϥογϡϨϙʔτ͕ Ͳ͏͠Α͏ͳ͘ɺԣͨΘ͍ͬͯͨ”
Ver2.0.0 શମΛϦϑΝΫλϦϯά
ParseSDK ͱ্खʹ͖߹͏ ɾͱΓ͋͑ͣ SDK ͷඇಉظॲཧΊΔ ɾͱΓ͋͑ͣ ParseObject ͷ֦ுΛΊΔ ɾͪΌΜͱϨΠϠΛ͚ͯཧ͢Δ
Parse.com Client Converter Loader Model Request Response ParseObject Entity Model
Worker Thread Main Thread
ParseSDK ͱ্खʹ͖߹͏ UIεϨουͷੈքʹParseObjectΛೖΕͳ͍ ɾLoader ͰੈքΛ̎ͭʹஅ ɾόοΫΤϯυͱͷΛClientʹڽू ɾσʔλߏͱParseObjectΛ
݁Ռ ɾڊେϞσϧډͳ͘ͳͬͨ ɾStop the world ͠ͳ͘ͳͬͨ ɾSDK ͷ᠘ʹΑΔΫϥογϡ͕ݮͬͨ ɾςετ͕ॻ͖͘͢ͳͬͨ
ͳΜͱ͔͍ͨ͜͠ͱ ɾParseObject ͔ΒσʔλΛऔΓग़͢ͷॏ͍ ɾREST API ͋ΔͷͰͦΕΛ͍͍ͨ ɾόοΫΤϯυͷΓସ͑Λָʹ͍ͨ͠
݁ ɾBaaS ָ͍͢͝ ɾόοΫΤϯυͷΠϯλϑΣʔεͪΌΜ ͱ࡞Βͳ͍ͱ͋ͱͰٽ͘