Androidで触れてみようCloud Vision API_ハンズオン

$-06%7*4*0/"1* ϋϯζΦϯࢿྉ (%(,PCF $MPVE7JTJPO"QJ5FOTPSqPXษڧձ

͓͓·͔ͳྲྀΕ ̍ɽ$-06%7*4*0/"1*Λ༗ޮʹ͢Δ ̏ɽ"OESPJEʹɺ"1*΁ΞΫηε͢ΔͨΊͷΩʔΛ૊ΈࠐΉ ̐ɽ-BCFM%FUFDUJPOΛࢼͯ͠ΈΑ͏ʂ ̑ɽ'BDF%FUFDUJPOΛࢼͯ͠ΈΑ͏ʂ ̔ɽ͓·͚ ̎ɽ"OESPJEͷ࣮ߦ؀ڥΛ࡞Γ·͠ΐ͏ ̒ɽ5FYU%FUFDUJPOΛࢼͯ͠ΈΑ͏ʂ ̓ɽ4BGF4FBSDI%FUFDUJPOΛࢼͯ͠ΈΑ͏ʂ

̍ɽ$-06%7*4*0/"1*Λ༗ޮʹ͢Δ

(PPHMF"1*$POTPMF΁ΞΫηε ϒϥ΢βͰʮɹIUUQTDPOTPMFEFWFMPQFSTHPPHMFDPN IM+"ɹʯ΁ΞΫηε͍ͯͩ͘͠͞

(PPHMF"1*$POTPMF ͜͜ΛΫϦοΫ͍ͯͩ͘͠͞

ϓϩδΣΫτͷ࡞੒ ϓϩδΣΫτͷ࡞੒ΛΫϦοΫ͠·͢

ϓϩδΣΫτͷ࡞੒ ϓϩδΣΫτ໊ΛܾΊͯ ར༻ن໿ʹಉҙͯ͠ ࡞੒͠·͢ ˞ॳΊͯϓϩδΣΫτΛ࡞ΔਓҎ֎͸গ͠ը໘͕ҧ͏ͱࢥ͍·͕͢ɺಉ༷ʹ࡞੒·ͰਐΜͰ͍ͩ͘͞

ϓϩδΣΫτͷ࡞੒׬ྃ ͘Δ͘Δ࡞ۀத ׬ྃͯ͠ϓϩδΣΫτ͕બ୒͞Εͨ ঢ়ଶʹͳΓ·͢

$-06%7*4*0/"1*Λ༗ޮʹ͠·͠ΐ͏ $MPVE7JTJPOͱೖྗ͠·͠ΐ͏ ϑΟϧλ͕͔͔ͬͯදࣔ͞Ε·͢ ΫϦοΫ͠·͠ΐ͏

$-06%7*4*0/"1*Λ༗ޮʹ͠·͠ΐ͏ ΫϦοΫ͠·͢

੥ٻઌొ࿥Λ͠·͢ ੥ٻઌΞΧ΢ϯτ͕ͳ͍৔߹ ΫϦοΫ͠·͢ $MPVE7JTJPO"1J͸ҰఆྔΛ௒͑Δͱ՝͕͔͔ۚΔͨΊɺ՝ۚ৘ใΛొ࿥͢Δඞཁ͕͋Γ·͢ ΫϦοΫ͠·͢

ొ࿥ ΫϦοΫ͠·͢ ඞཁͳ৘ใΛೖྗ͠·͢

ొ࿥׬ྃ ΫϦοΫ͠·͢

$-06%7*4*0/"1*͕༗ޮʹͳΓ·ͨ͠ ΫϦοΫ͠·͢

"1*ΩʔΛൃߦ͠·͠ΐ͏ "1*ΩʔΛΫϦοΫ͠

"1*ΩʔΛൃߦ͠·͠ΐ͏ "1*Ωʔͷ໊લΛܾΊͯ ࡞੒

"1*Ωʔͷൃߦ͕׬ྃ͠·ͨ͠ Ωʔ͕ग़དྷͨͷͰ "1*ΩʔΛίϐʔͯ͠0,͠·͠ΐ͏

̎ɽ"OESPJEͷ࣮ߦ؀ڥΛ࡞Γ·͠ΐ͏

"OESPJE4UVEJPΛىಈ͍ͯͩ͘͠͞ *NQPSUQSPKFDUΛ ΫϦοΫ͠·͢ 8JOEPXT͸ӈΫϦοΫͯ͠؅ཧऀͰ࣮ߦͰىಈ͍ͯͩ͘͠͞

ϓϩδΣΫτΛΠϯϙʔτ͠·͢ μ΢ϯϩʔυͯ͠ղౚͨ͠σΟϨΫτϦͷ @-BCFM%FUFDUJPO಺ͷ$MPVE7JTJPO)BOETPOσΟϨΫτϦΛࢦఆ͠·͢ ґଘϥΠϒϥϦͳͲμ΢ϯϩʔυ͞Ε·͢ͷͰOFUXPSLʹܨ͍ͩঢ়ଶͰΠϯϙʔτ͍ͯͩ͘͠͞

"OESPJEQBUIͷΤϥʔ͕ग़ͨ৔߹ 0,Ͱదਖ਼ͳϩέʔγϣϯʹͯ͘͠ΕΔ͸ͣ ΋͘͠͸͜͜Λࣗ෼ͷ4%,ͷύεʹ͠·͢

KBWBWFSTJPOͷΤϥʔ͕ӈ্ʹग़ͨ৔߹ ΫϦοΫͯࣗ͠෼ͷ؀ڥʹ߹Θ͍ͤͯͩ͘͞

ϓϥάΠϯͷΠϯετʔϧ ϓϩδΣΫτ಺ͰMPNCPLϓϥάΠϯ࢖ͬͯΔͷͰϓϥάΠϯೖΕ·͠ΐ͏ 1SFGFSFODFTΛΫϦοΫ #SPXTFSFQPTJUPSJFTΛΫϦοΫ 8JOEPXTͩͱ4FUUJOHT

MPNCPLͰݕࡧͯ͠*OTUBMMΛΫϦοΫ 3FTUBSUΛΫϦοΫͯ͠ "OESPJE4UVEJPΛ࠶ىಈ͠·͢

·࣮ͣػͷํ͔Βઆ໌͠·͢

୺຤Λ64#έʔϒϧͰɺ1$ʹ઀ଓ͍ͯͩ͘͠͞

ઃఆ͔Β୺຤৘ใΛ։͍ͯɺϏϧυ൪߸Λ࿈ଧ ͠·͢

Ұͭલͷը໘͔Βɺ։ൃऀ޲͚ΦϓγϣϯΛ։ ͖·͢ 64#σόοάΛ0/ʹ͠·͢ ϑΟϯΨʔϓϦϯτͷڐՄը໘͕ग़ ͨΒνΣοΫΛೖΕͯ0,Λԡ͠·͢

֬ೝ Լ෦ͷ"OESPJE.POJUPSΛ։͖·͢ ࣗ෼ͷ୺຤͕දࣔ͞ΕΔ͜ͱΛ֬ೝ͠·͢

ΤϛϡϨʔλͷ৔߹

4%,.BOBHFSΛ։͖·͢ 4%,5PPMTλϒͷ*OUFMY&NVMBUPSʜ ʹνΣοΫΛೖΕɺ"QQMZΛԡ͠·͢ ͳΜ͔ฉ͍ͯ͘ΔͷͰ0, ΛΫϦοΫ͠·͢

"DDFQUͯ͠/FYU͠·͠ΐ͏ )"9.Ͱ࢖͏."9ϝϞϦͷࢦఆʁ ଟ෼ͦͷ··Ͱ/FYUͰ͍͍Ͱ͢ %POFͨ͠Β'JOJTIͯ͠શ෦ͷμΠΞϩάΛ ด͍͖ͯ͡·͠ΐ͏

"7%.BOBHFSΛ։͖·͢ $SFBUF7JSUVBM%FWJDFΛ ΫϦοΫ͠·͢

ద౰ʹػछΛબͼ·͠ΐ͏ /FYU

࢖༻͢Δ04ͷόʔδϣϯΛબͼ·͢ /FYU ՄೳͰ͋Ε͹ɺYΠϝʔδλϒͷɺY@ ΋͘͠͸YΛબ୒͍ͯͩ͘͠͞ "1*-FWFM͸Ҏ্ͷ΋ͷΛࢦఆ͍ͯͩ͘͠͞

4IPX"EWBODFE4FUUJOHTΛΫϦοΫ͠·͢ ΧϝϥΛઃఆ͠·͠ΐ͏ɻ ."$ͩͱ8FCDBN͕'BDU5JNFͷΧϝϥͰ͢

΋͏ͪΐͬͱεΫϩʔϧͯ͠ɺ4UPSBHFͷ༰ྔ Λ.#ʹ͠·͢ 'JOJTIͰ࡞Γ·͢ ग़དྷ·ͨ͠ɻ

ࡾ֯Ͱىಈ͠·͠ΐ͏ ӳޠͳΜͰɺ೔ຊޠʹ͠·͠ΐ͏ɻ ˞ӳޠ͕͍͍ਓ͸ͦͷ··ʹ͓͍͍ͯͯͩ͘͠͞ ϗʔϜϘλϯ "OESPJE4UVEJPҎ্Ͱ͋ΔͳΒΘΓͱૣ͘ىಈͯ͘͠Δ͸ͣͰ͢ɻ 4FUUJOHT -BOHVBHF*OQVU -BOHVBHFͰ೔ຊޠΛબͼ·͢

୺຤ͷ४උ͸0,Ͱ͢

ϏϧυΛͯ͠ΈΑ͏

͜ΕΛΫϦοΫͯ͠HSBEMFϏϧυ͠·͢ ৭ʑ؀ڥҧ͏ͱΤϥʔ͕ग़Δ CVJMEHSBEMF .PEVMFBQQ BOESPJE\ DPNQJMF4EL7FSTJPO CVJME5PPMT7FSTJPȌ EFGBVMU$POpH\ BQQMJDBUJPO*EPSHHEHLPCFFYBNQMFDMPVEWJTJPO NJO4EL7FSTJPO
UBSHFU4EL7FSTJPO WFSTJPO$PEF WFSTJPO/BNF ^ CVJME5ZQFT\ SFMFBTF\ NJOJGZ&OBCMFEGBMTF QSPHVBSE'JMFTHFU%FGBVMU1SPHVBSE'JMF QSPHVBSEBOESPJEUYU QSPHVBSESVMFTQSP ^ ^ ^ ͜͜Β΁Μʁ

.FTTBHFλϒΛΫϦοΫͯ͠46$$&44'6-ʹͳͬͯͨΒ0, ࣮ߦͯ͠Έ·͠ΐ͏ ୺຤બΜͰ0,

͜͜·Ͱ͍͚͹0,Ͱ͢

̏ɽ"OESPJEʹɺ"1*΁ΞΫηε͢ΔͨΊͷΩʔ Λ૊ΈࠐΉ

1SPKFDUʹ"1*ΩʔΛ૊ΈࠐΈ·͢ ࠨπϦʔϏϡʔͷதʹSFTσΟϨΫτϦ͕͋ΔͷͰɺSFTWBMVFTͷதʹ͋ΔHPPHMF@BQJ@LFZYNMΛ։͖·͢ ͜͜ͷ:063@"1*@,&:Λஔ͖׵͑·͠ΐ͏ɻ

ɽ-BCFM%FUFDUJPOΛࢼͯ͠ΈΑ͏

-BCFM%FUFDUJPOͷϑΥʔϚοτΛݟͯΈ·͠ΐ͏ 3FRVFTUଆ "OOPUBUF*NBHF3FRVFTUͱ͍͏ύϥϝʔλΛෳ਺౉ͤ·͢ IUUQTDMPVEHPPHMFDPNWJTJPOSFGFSFODFSFTUWJNBHFTBOOPUBUF JNBHFͱGFBUVSFT ෳ਺ ͱJNBHF$POUFYU͕౉ͤ·͢ DPOUFOU จࣈྻ ͱTPVSDFͱ͍͏ΦϒδΣΫτΛ౉͢͜ͱ͕ग़དྷΔΑ͏Ͱ͢
TPVSDFͱ͍͏ͷ͸ɺ(PPHMF$MPVE4UPSBHFͷը૾ͷ৔ॴΛࢦఆ͢ΔύϥϝʔλͳͷͰࠓճ͸εϧʔ͠·͢ ࠓճ͸DPOUFOUͰը૾Λ౉͠·͢

-BCFM%FUFDUJPOͷϑΥʔϚοτΛݟͯΈ·͠ΐ͏ 3FRVFTUଆ IUUQTDMPVEHPPHMFDPNWJTJPOSFGFSFODFSFTUWJNBHFTBOOPUBUF GFBUVSFTʹ͸UZQF ղੳ͍ͨ͠λΠϓ ͱNBY3FTVMUT ࠷େ݁Ռ਺ Λ౉͠·͢ ྫ͑͹Ͱ͕͢ɺ෺ମݕ஌ͱإݕ஌྆ํΛಉ͡ը૾ʹରͯ͠ߦ͍͍ͨ৔߹͸ɺ ͜ͷΑ͏ͳσʔλΛ࡞੒͢ΔΠϝʔδʹͳΓ·͢
'FBUVSF -"#&-@%&5&$5*0/ 'FBUVSF '"$&@%&5&$5*0/ KBWBPSHHEHLPCFFYBNQMFDMPVEWJTJPOFOUJUZ಺ʹಉ༷ͷ໊લͰఆٛΛ͍ͯ͠·͢ ཁ͸ԿΛ౉ͤ͹͍͍͔ͱ͍͏ͱ ɹը૾σʔλ ɹ ݕ஌͍ͨ͠λΠϓ ɹ݁Ռͱͯ͠΄͍͠࠷େ݅਺ Y/ ͜ΕΛ౉ͤ͹0,Ͱ͢

-BCFM%FUFDUJPOͷϑΥʔϚοτΛݟͯΈ·͠ΐ͏ 3FTQPOTFଆ "OOPUBUF*NBHF3FTQPOTFͱ͍͏ύϥϝʔλ͕ෳ਺ฦͬͯདྷ·͢ɻ ʢϦΫΤετͰ౤͛ͨ਺͚ͩʣ &OUJUZ"OOPUBUJPOͱهࡌ͕͋Γ·͕͢-BCFM%FUFDUJPOͰ ؼͬͯ͘Δͷ͸ɺ NJE *% ͱEFTDSJQUJPO ಺༰
ͱTDPSF ৴པ཰ ͚ͩͰ͢

ϦΫΤετͯ͠ΈΑ͏

"1*ͷϦΫΤετఆٛ QVCMJDJOUFSGBDF7JTJPO"QJ\ !)FBEFST $POUFOU5ZQFBQQMJDBUJPOKTPO !1045 WJNBHFTBOOPUBUF $BMM3FTQPOTFQPTU !2VFSZ
LFZ 4USJOH"QJ,FZ !#PEZ3FRVFTUSFRVFTU ^ KBWBPSHHEHLPCFFYBNQMFDMPVEWJTJPOBQJ7JTJPO"QJΛ։͖·͢ ࣮ࡍͷSFRVFTU͸ԼهͷΑ͏ͳ63-ʹͳΓ·͢ IUUQTWJTJPOHPPHMFBQJTDPNWJNBHFTBOOPUBUF LFZ:063,&:

Ϩεϙϯε༻ͷΫϥεΛ࡞੒͠·͢ KBWBPSHHEHLPCFFYBNQMFDMPVEWJTJPOFOUJUZΛӈΫϦοΫͯ͠ɺOFX+BWB$MBTTΛ৽ن࡞੒͠·͢ Ϋϥεʹඞཁͳύϥϝʔλͱ"OOPUBUJPOΛ͚ͭ·͢ !%BUB !/P"SHT$POTUSVDUPS QVCMJDDMBTT-BCFM"OOPUBUJPO\ QSJWBUF4USJOHNJE QSJWBUF4USJOHEFTDSJQUJPO QSJWBUFqPBUTDPSF ^

Ϩεϙϯεͷதʹ-BCFM"OOPUBUJPOͷఆٛΛ௥Ճ͠·͢ KBWBPSHHEHLPCFFYBNQMFDMPVEWJTJPOFOUJUZ"OOPUBUF3FTQPOTFΛฤू͠ɺ-JTU-BCFM"OOPUBUJPOͷ໭Γ஋Λ௥ه͠·͢ !%BUB !/P"SHT$POTUSVDUPS QVCMJDDMBTT"OOPUBUF3FTQPOTF\ QSJWBUF-JTU'BDF"OOPUBUJPOGBDF"OOPUBUJPOTOFX"SSBZ-JTU QSJWBUF-JTU5FYU"OOPUBUJPOUFYU"OOPUBUJPOTOFX"SSBZ-JTU
QSJWBUF-JTU-BCFM"OOPUBUJPOMBCFM"OOPUBUJPOTOFX"SSBZ-JTU ^

$BMM͢Δը໘ͷॲཧΛɺॻ͍͍͖ͯ·͢ ฤू͢Δͷ͸ɺ-BCFM%FUFDUJPO"DUJWJUZͷϑΝΠϧͰ͢ ༧ΊΧϝϥ͔ΒͷࡱӨ΍ΪϟϥϦʔ͔Βͷݺͼग़͠͸࣮૷ࡁΈͰ͕͢ɺ Լه͕࣮૷͞Ε͍ͯ·ͤΜ ࣸਅΛબ୒ͨ͠ޙͷ$MPVE7JTJPO"1*΁ͷίʔϧॲཧ "1*ίʔϧޙʹɺ݁Ռͷ৘ใΛը໘ʹηοτ͢Δॲཧ WPJEDBMM$MPVE7JTJPO WPJETFU5FYU -JTU-BCFM"OOPUBUJPOMBCFM"OOPUBUJPOT

"1*ίʔϧॲཧΛॻ͖·͠ΐ͏ DBMM$MPVE7JTJPO ͷϝιου಺ͷɺ#JUNBQͷ/VMMνΣοΫ͕ऴΘͬͨͱ͜Ζʹ௥ه͠·͢ //HttpClientͷੜ੒ OkHttpClient client = new OkHttpClient.Builder(). addInterceptor(new
JsonInterceptor()). build(); // RetrofitAdapterͷੜ੒ Retrofit adapter = new Retrofit.Builder() .baseUrl(API_BASE_URL) .addConverterFactory(MoshiConverterFactory.create(new Moshi.Builder().build())) .client(client) .build(); // ඇಉظॲཧͷ࣮ߦ Request request = new Request(); request.addRequest(mBitmap, new Feature(Feature.FeatureType.LABEL_DETECTION)); adapter.create(VisionApi.class).post(getString(R.string.vision_api), request) .enqueue(new Callback<Response>() { @Override public void onResponse(Call<Response> call, retrofit2.Response<Response> response) { if (response.body().getResponses().get(0).getLabelAnnotations().size() <= 0) { Snackbar.make(mCoordinator, R.string.label_annotation_error, Snackbar.LENGTH_LONG).show(); } else { mOriginalJson = response.message(); } } @Override public void onFailure(Call<Response> call, Throwable t) { } }); Snackbar.make(mCoordinator, R.string.vision_api_upload, Snackbar.LENGTH_LONG).show(); 3FRVFTUͱ3FTQPOTF͸Πϯϙʔτީิ͕ෳ਺͋ΔͨΊ"MU &OUFSͰϓϩδΣΫτ಺෦ͷ෺ΛΠϯϙʔτ͍ͯͩ͘͠͞ $BMM#BDL΋ෳ਺ީิ͕͋ΔͷͰɺͪ͜Β͸SFUSPpUͷ΋ͷΛΠϯϙʔτ͍ͯͩ͘͠͞

݁ՌͷηοτॲཧΛॻ͖·͠ΐ͏ ৽نͰϝιουΛ࡞੒͠·͢ void setText(List<LabelAnnotation> labelAnnotations) { StringBuilder stringBuilder = new
StringBuilder(); for (LabelAnnotation labelAnnotation : labelAnnotations) { stringBuilder.append(getString(R.string.label_detection_result, labelAnnotation.getDescription(), labelAnnotation.getScore() * 100)); } mTextView.setText(stringBuilder.toString()); } adapter.create(VisionApi.class).post(getString(R.string.vision_api), request) .enqueue(new Callback<Response>() { @Override public void onResponse(Call<Response> call, retrofit2.Response<Response> response) { if (response.body().getResponses().get(0).getLabelAnnotations().size() <= 0) { Snackbar.make(mCoordinator, R.string.label_annotation_error, Snackbar.LENGTH_LONG).show(); } else { mOriginalJson = response.message(); ɹɹɹɹsetText(response.body().getResponses().get(0).getLabelAnnotations()); } } @Override public void onFailure(Call<Response> call, Throwable t) { } }); Snackbar.make(mCoordinator, R.string.vision_api_upload, Snackbar.LENGTH_LONG).show(); MBCFM"OOPUBUJPOT͕̍݅Ͱ΋͋ͬͨ৔߹͸4FU5FYUΛݺͼग़ͯ͠දࣔ͢ΔΑ͏ʹ͠·͠ΐ͏

࣮ߦͯ͠Έ·͠ΐ͏

̑ɽ'BDF%FUFDUJPOΛࢼͯ͠ΈΑ͏

'BDF%FUFDUJPOͷϨεϙϯεϑΥʔϚοτΛݟͯΈ·͠ΐ͏ 3FTQPOTFଆ IUUQTDMPVEHPPHMFDPNWJTJPOSFGFSFODFSFTUWJNBHFTBOOPUBUF ݕग़ͨ͠إશମͷΤϦΞͱɺݕग़ͨ͠ൽෘͷΤϦΞͷ஋Λද͠·͢ 7FSUFY<> 7FSUFY<> 7FSUFY<> 7FSUFY<>

'BDF%FUFDUJPOͷϨεϙϯεϑΥʔϚοτΛݟͯΈ·͠ΐ͏ 3FTQPOTFଆ IUUQTDMPVEHPPHMFDPNWJTJPOSFGFSFODFSFTUWJNBHFTBOOPUBUF ݕग़ͨ͠إͷ֤ύʔπͷ৘ใϦετͰ͢

'BDF%FUFDUJPOͷϨεϙϯεϑΥʔϚοτΛݟͯΈ·͠ΐ͏ IUUQTDMPVEHPPHMFDPNWJTJPOSFGFSFODFSFTUWJNBHFTBOOPUBUF ύϯͱϩʔϧͱνϧτɻ إ͕Ͳ͜Λ޲͍͍ͯΔͷ͔Λճస৘ใͰද͠·͢

'BDF%FUFDUJPOͷϨεϙϯεϑΥʔϚοτΛݟͯΈ·͠ΐ͏ IUUQTDMPVEHPPHMFDPNWJTJPOSFGFSFODFSFTUWJNBHFTBOOPUBUF إೝࣝࣗମͷ৴པੑ EFUFDUJPO$POpEFODF ͱ ֤ύʔπͷ৴པੑ MBOENBSLJOH$POpEFODF Λද͠·͢

'BDF%FUFDUJPOͷϨεϙϯεϑΥʔϚοτΛݟͯΈ·͠ΐ͏ IUUQTDMPVEHPPHMFDPNWJTJPOSFGFSFODFSFTUWJNBHFTBOOPUBUF ײ৘Λ̑ஈ֊Ͱද͠·͢ KPZ-JLF ɹָ͠ΜͰ͍Δ͔ TPSSPX-JLF ɹ൵͠ΜͰ͍Δ͔ BOHFS-JLF ɹౖ͍ͬͯΔ͔ TVSQSJTF-JLF
ɹڻ͍͍ͯΔ͔ VOEFS&YQPTFE-JLF ɹ࿐ޫෆ଍ʁ CMVSSFE-JLF ɹ΅΍͚ͯΔʁ IFBEXFBS-JLF ɹͳΜ͔͔ͿͬͯΔ

-BCFM%FUFDUJPOͱಉ༷ʹ$BMM͢ΔϓϩάϥϜΛॻ͍͍͖ͯ·͢ ฤू͢Δͷ͸ɺ'BDF%FUFDUJPO"DUJWJUZͷϑΝΠϧͰ͢ ࣸਅΛબ୒ͨ͠ޙͷ$MPVE7JTJPO"1*΁ͷίʔϧॲཧ "1*ίʔϧޙʹɺ݁Ռͷ৘ใΛը໘ʹηοτ͢Δॲཧ WPJEDBMM$MPVE7JTJPO WPJETIPX'BDF%FUFDUJPO'SBHNFOU 4USJOHKTPO

"1*ίʔϧॲཧΛॻ͖·͠ΐ͏ DBMM$MPVE7JTJPO ͷϝιου಺ͷɺ#JUNBQͷ/VMMνΣοΫ͕ऴΘͬͨͱ͜Ζʹ௥ه͠·͢ //HttpClientͷੜ੒ OkHttpClient client = new OkHttpClient.Builder(). addInterceptor(new
JsonInterceptor()). build(); // RetrofitAdapterͷੜ੒ Retrofit adapter = new Retrofit.Builder() .baseUrl(API_BASE_URL) .addConverterFactory(MoshiConverterFactory.create(new Moshi.Builder().build())) .client(client) .build(); // ඇಉظॲཧͷ࣮ߦ Request request = new Request(); request.addRequest(mBitmap, new Feature(Feature.FeatureType.FACE_DETECTION)); adapter.create(VisionApi.class).post(getString(R.string.vision_api), request) .enqueue(new Callback<Response>() { @Override public void onResponse(Call<Response> call, retrofit2.Response<Response> response) { if (response.body().getResponses().get(0).getFaceAnnotations().size() <= 0) { Snackbar.make(mCoordinator, R.string.face_annotation_error, Snackbar.LENGTH_LONG).show(); } else { mOriginalJson = response.message(); } } @Override public void onFailure(Call<Response> call, Throwable t) { } }); Snackbar.make(mCoordinator, R.string.vision_api_upload, Snackbar.LENGTH_LONG).show();

݁ՌͷηοτॲཧΛॻ͖·͠ΐ͏ ࠓճ͸'SBHNFOUʹ஋Λ౉͢Α͏ʹ͍ͯ͠·͢ ৽نͰϝιουΛ࡞੒͠·͢ void showFaceDetectionFragment(String json) { Fragment f =
getSupportFragmentManager().findFragmentById(R.id.fragment); if (f instanceof FaceDetectionFragment) { ((FaceDetectionFragment) f).update(json); } else { getSupportFragmentManager(). beginTransaction() .replace(R.id.fragment, FaceDetectionFragment.newInstance(json)) .commitAllowingStateLoss(); } } adapter.create(VisionApi.class).post(getString(R.string.vision_api), request) .enqueue(new Callback<Response>() { @Override public void onResponse(Call<Response> call, retrofit2.Response<Response> response) { if (response.body().getResponses().get(0).getFaceAnnotations().size() <= 0) { Snackbar.make(mCoordinator, R.string.face_annotation_error, Snackbar.LENGTH_LONG).show(); } else { mOriginalJson = response.message(); showFaceDetectionFragment(response.message()); } } @Override public void onFailure(Call<Response> call, Throwable t) { } }); Snackbar.make(mCoordinator, R.string.vision_api_upload, Snackbar.LENGTH_LONG).show(); 'BDF"OOPUBUJPOT͕̍݅Ͱ΋͋ͬͨ৔߹͸'SBHNFOU΁஋Ληοτͯ͠දࣔ͢ΔΑ͏ʹ͠·͠ΐ͏

࣮ߦͯ͠Έ·͠ΐ͏

ೝࣝͰ͖͚ͨͲɺ࠲ඪͬͯຊ౰ʹਖ਼͍͠ʁ ͜͏͍͏࿮Λදࣔͯ֬͠ೝ͍ͨ͠

࣮ࡍฦͬͯདྷͨ࠲ඪΛදࣔͯ͠ΈΑ͏

"DUJWJUZଆʹ࠲ඪදࣔ༻ͷϝιουΛ૊ΈࠐΈ·͠ΐ͏ ࣄલʹJOUFSGBDFΛ࡞੒͍ͯ͠ΔͷͰͦΕΛ࣮૷͠·͢ ฤू͢Δͷ͸'BDF%FUFDUJPO"DUJWJUZͰ͢ "DUJWJUZʹ·ͣJNQMFNFOUT͠·͠ΐ͏ QVCMJDDMBTT'BDF%FUFDUJPO"DUJWJUZFYUFOET7JTJPO#BTF"DUJWJUZJNQMFNFOUT*NBHF6QEBUF-JTUFOFS //ύʔπݕग़ΤϦΞͷϘʔμʔΧϥʔ private static final int
LANDMARK_AREA_COLOR = Color.argb(255, 255, 255, 255); //إݕग़ΤϦΞͷϘʔμʔΧϥʔ private static final int POLY_AREA_COLOR = Color.argb(255, 255, 0, 0); //ύʔπݕग़ΤϦΞͷΤϦΞαΠζ private static final int LANDMARK_AREA_SIZE = 10; ࿮ઢඳը༻ͷύϥϝʔλΛઌʹఆ͓͖ٛͯ͠·͢ *NBHF6QEBUF-JTUFOFSʹΧʔιϧΛ౰ͯͯ"MU &OUFSͰ*NQMFNFOUNFUIPETΛల։Ͱ͖·͢

࿮ઢΛඳը͢ΔϝιουΛ૊ΈࠐΈ·͠ΐ͏ -BOENBSL إͷύʔπ ͷ৔ॴΛදࣔ͠·͢ !0WFSSJEF QVCMJDWPJETFU1PJOU qPBUY qPBUZ \ $BOWBTDBOWBT
#JUNBQOFX#JUNBQ#JUNBQDSFBUF#JUNBQ N#JUNBQHFU8JEUI N#JUNBQHFU)FJHIU #JUNBQ$POpH"3(#@ DBOWBTOFX$BOWBT OFX#JUNBQ DBOWBTESBX#JUNBQ N#JUNBQ OVMM 1BJOUQBJOUOFX1BJOU QBJOUTFU$PMPS -"/%."3,@"3&"@$0-03 QBJOUTFU4UZMF 1BJOU4UZMF4530,& QBJOUTFU4USPLF8JEUI DBOWBTESBX3FDU Y-"/%."3,@"3&"@4*;& Z-"/%."3,@"3&"@4*;& Y -"/%."3,@"3&"@4*;& Z -"/%."3,@"3&"@4*;& QBJOU N*NBHFTFU*NBHF#JUNBQ OFX#JUNBQ DPMMBQTF#PUUPN4IFFU ^ ̎ ̍ ̏ ̐ ̍ɽΩϟϯόεʹ·ͣ͸Ξοϓϩʔυͨ͠ը૾Λඳը͍ͯ͠·͢ ̎ɽΩϟϯόεʹ௥ՃͰॻ͘ϒϥγͷఆٛΛ͍ͯ͠·͢ ࣄલʹఆٛͨ͠$0-03Λར༻͢ΔΑ͏ʹ͍ͯ͠·͢ ̏ɽ࢛֯࿮Λඳը͍ͯ͠·͢ɹ࢛۱ͷϙΠϯτΛࢦఆ͍ͯ͠ΔͨΊɺ΋ΒͬͨҐஔΛ൒෼ʹͯ͠଍͠Ҿ͖࢛ͯ͠۱Λࢦఆ͍ͯ͠·͢ ̐ɽඳ͍ͨ#JUNBQΛը໘ͷ*NBHF7JFXʹηοτ͍ͯ͠·͢

࿮ઢΛඳը͢ΔϝιουΛ૊ΈࠐΈ·͠ΐ͏ CPVOEJOH1PMZ ݕग़ͨ͠إͷΤϦΞ ͷ৔ॴΛදࣔ͠·͢ !0WFSSJEF QVCMJDWPJETFU1PMZ 1PMZCPVOEJOH1PMZ 1PMZGC#PVOEJOH1PMZ \ $BOWBTDBOWBT
#JUNBQOFX#JUNBQ#JUNBQDSFBUF#JUNBQ N#JUNBQHFU8JEUI N#JUNBQHFU)FJHIU #JUNBQ$POp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ܕ͸ɺ࢛۱ͷ৘ใΛ͢΂͍ͯ࣋ͬͯ ΔͷͰɺࠨ্ͱӈԼͷ࠲ඪΛऔΓग़ͯ͠ࢦ ఆ͍ͯ͠·͢

࣮ߦͯ͠ΈΑ͏

Ͳ͏Ͱ͠ΐ͏͔ʁ $MPVE7JTJPO"1*ͷਫ਼౓ͷߴ͕࣮͞ײͰ͖ΔͷͰ ͸ͳ͍͔ͱࢥ͍·͢

̒ɽ5FYU%FUFDUJPOΛࢼͯ͠ΈΑ͏

5FYU%FUFDUJPOͷϨεϙϯεϑΥʔϚοτΛݟͯΈ·͠ΐ͏ ͜Ε͕ϦετͰฦͬͯདྷ·͢ NJE *% MPDBMF ղੳͨ͠ݴޠ EFTDSJQUJPO ղੳ݁Ռͷจࣈྻ
TDPSF ৴པ཰ CPVOEJOH1PMZ ղੳͨ͠ΤϦΞͷ৘ใ QSJWBUF4USJOHNJE QSJWBUF4USJOHMPDBMF QSJWBUF4USJOHEFTDSJQUJPO QSJWBUFqPBUTDPSF QSJWBUF1PMZCPVOEJOH1PMZ 5FYU"OOPUBUJPOKBWB

5FYU%FUFDUJPO"DUJWJUZΛฤू͠·͢ DBMM$MPVE7JTJPO ͷϝιου಺ͷɺ#JUNBQͷ/VMMνΣοΫ͕ऴΘͬͨͱ͜Ζʹ௥ه͠·͢ʢ΋͏ҰॹͰ͢Ͷɻɻɻʣ //HttpClientͷੜ੒ OkHttpClient client = new OkHttpClient.Builder(). addInterceptor(new
JsonInterceptor()). build(); // RetrofitAdapterͷੜ੒ Retrofit adapter = new Retrofit.Builder() .baseUrl(API_BASE_URL) .addConverterFactory(MoshiConverterFactory.create(new Moshi.Builder().build())) .client(client) .build(); // ඇಉظॲཧͷ࣮ߦ Request request = new Request(); request.addRequest(mBitmap, new Feature(Feature.FeatureType.TEXT_DETECTION)); adapter.create(VisionApi.class).post(getString(R.string.vision_api), request) .enqueue(new Callback<Response>() { @Override public void onResponse(Call<Response> call, retrofit2.Response<Response> response) { if (response.body().getResponses().get(0).getTextAnnotations().size() <= 0) { Snackbar.make(mCoordinator, R.string.text_annotation_error, Snackbar.LENGTH_LONG).show(); } else { mOriginalJson = response.message(); showResult(); } } @Override public void onFailure(Call<Response> call, Throwable t) { } }); Snackbar.make(mCoordinator, R.string.vision_api_upload, Snackbar.LENGTH_LONG).show();

݁ՌΛηοτ͠Α͏ TIPX3FTVMU ͷϝιου಺ʹ݁ՌΛදࣔ͢ΔΑ͏ʹ͠·͠ΐ͏ 5FYU%FUFDUJPO͸ɺೝࣝͨ͠ΤϦΞ৘ใ΋ฦͬͯདྷ·͢ͷͰɺฦͬͯདྷͨςΩετͱɺ࿮ઢΛ྆ํηοτ͍ͯ͠·͢ void showResult() { parse(); if (mResponse
!= null) { mLanguage.setText(mResponse.getResponses().get(0).getTextAnnotations().get(0).getLocale()); mResultText.setText(mResponse.getResponses().get(0).getTextAnnotations().get(0).getDescription()); List<Vertex> vertexList = mResponse.getResponses().get(0).getTextAnnotations().get(0).getBoundingPoly().getVertices(); Canvas canvas; Bitmap newBitmap = Bitmap.createBitmap(mBitmap.getWidth(), mBitmap.getHeight(), Bitmap.Config.ARGB_8888); canvas = new Canvas(newBitmap); canvas.drawBitmap(mBitmap, 0, 0, null); Paint paint = new Paint(); paint.setColor(POLY_AREA_COLOR); paint.setStyle(Paint.Style.STROKE); paint.setStrokeWidth(2); canvas.drawRect(vertexList.get(0).getX(), vertexList.get(0).getY(), vertexList.get(2).getX(), vertexList.get(2).getY() , paint); mImage.setImageBitmap(newBitmap); } }

̓ɽ4BGF4FBSDIΛࢼͯ͠ΈΑ͏

4BGF4FBSDI"OOPUBUJPOϑΥʔϚοτΛݟͯΈ·͠ΐ͏ ͜Ε͸ϦετͰฦͬͯདྷ·ͤΜ Τϩ ໛଄ ҩྍ ๫ྗ ͷ஋Λ̑ஈ֊ͰධՁͯ͠ฦͯ͘͠Ε·͢

"OOPUBUF3FTQPOTFΛฤू͠·͢ ϨεϙϯεʹTBGF4FBSDI"OOPUBUJPOͷఆٛΛ௥Ճ͠·͢ public class AnnotateResponse { private List<FaceAnnotation> faceAnnotations =
new ArrayList<>(); private List<TextAnnotation> textAnnotations = new ArrayList<>(); private List<LabelAnnotation> labelAnnotations = new ArrayList<>(); private SafeSearchAnnotation safeSearchAnnotation; }

݁ՌΛηοτ͠Α͏ 4BGF4FBSDI%FUFDUJPO"DUJWJUZ಺ͷTIPX3FTVMU ͷϝιου಺ʹ݁ՌΛදࣔ͢ΔΑ͏ʹ͠·͠ΐ͏ void showResult() { parse(); if (mResponse !=
null) { SafeSearchAnnotation annotation = mResponse.getResponses().get(0).getSafeSearchAnnotation(); mAdult.setRating(annotation.getRating(annotation.getAdult())); mSpoof.setRating(annotation.getRating(annotation.getSpoof())); mMedical.setRating(annotation.getRating(annotation.getMedical())); mViolence.setRating(annotation.getRating(annotation.getViolence())); mAdult.setText(getString(R.string.adult)); mSpoof.setText(getString(R.string.spoof)); mMedical.setText(getString(R.string.medical)); mViolence.setText(getString(R.string.violence)); } }

͓·͚

օ͞ΜɺϋϯζΦϯͷ࠷ޙ͸ সإͰऴΘΓ·͠ΐ͏ʂ

+PZ5XFFU"DUJWJUZͷಈ͖ $MPVE7JTJPO"1* 'BDF%FUFDUJPO ָ͠ΜͰ͍Δ KPZ ύϥϝʔλ͕7&3:@-*,&-:͔൑ఆ 0, "[VSF8FC"QQ 5XFFU ϋϯζΦϯऴྃͰ͢

ࣸਅΛΞοϓͯ͠΋͍͍ͱ͍͏ਓ͸νΣοΫΛ0/ʹ͍ͯͩ͘͠͞ χοΫωʔϜʹࣗ෼ͷTDSFFOOBNFΛೖΕΔͱɻࣗ෼ʹϝϯγϣϯདྷ·͢ !HEHLPCF@WJTJPOΈ͍ͨͳ 5XJUUFS΍ͬͯͳ͍ਓ͸ద౰ͳχοΫωʔϜͰ0,Ͱ ͢

͓ർΕ༷Ͱͨ͠ɻ

Androidで触れてみようCloud Vision API_ハンズオン

Androidで触れてみようCloud Vision API_ハンズオン

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