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1ヶ月でAndroidカメラアプリ開発(3/4)
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sakebook
April 04, 2016
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1ヶ月でAndroidカメラアプリ開発(3/4)
Adobe Creative SDKを使った写真加工アプリの開発のスライドです。全4回。
sakebook
April 04, 2016
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Transcript
̍ϲ݄Ͱ ANDROIDΧϝϥΞϓϦ։ൃ @Trunk ञຊ৳ 2016/3/27
ຊͷྲྀΕ • ՝ͷ֬ೝ • Intent • Χϝϥݺͼग़͠ • ը૾ड͚औΓ •
ΪϟϥϦʔݺͼग़͠ • ΤσΟλʔىಈ • ը૾γΣΞ • (҉తIntentͷ݅ઃఆ)
՝ͷ֬ೝ
՝ • ͕ࣗ࡞Γ͍ͨΞϓϦͷϨΠΞτΛߟ͑ ࣮ͯ͠ΈΔ • ͕ࣗ࡞Γ͍ͨΞϓϦͷ͍͔ͭ͘ͷwidgetͰ ΠϕϯτϋϯυϦϯάΛઃఆ͢Δ
INTENT
INTENT • Activity(Component)ಉ࢜ͷΓͱΓʹ༻͍Δ • ผͷΞϓϦؒͰΓͱΓՄೳ • ༷ʑͳใΛ٧ΊΒΕΔ(੍ݶ͋Γ)
2छྨ͋Δ • ໌ࣔతIntent • ݺͼग़͍ͨ͠૬खΛComponent໊Ͱࢦఆ • ҉తIntent • ݺͼग़͍ͨ͠૬खΛػೳ͔Βࢦఆ
(ಥ)ֶߍʹྫ͑Δͱ • ໌ࣔతIntent • ʮࠤ౻͞Μͪΐͬͱདྷͯʯ • ରҰਓ • ҉తIntent •
ʮॏ͍ӡΔਓͪΐͬͱདྷͯʯ • ୭͕དྷΔ͔Θ͔Βͳ͍ • ෳਓདྷΔ߹͋Δ
Χϝϥݺͼग़͠
ͦͷ·͑ʹ • ΧϝϥONʹ͠ͳ͍ͱμϝ • ࣮ػͰͳ͍ͷͰ͓Εͳ͘
҉తINTENT • ʮΧϝϥ࣋ͬͯΔΞϓϦདྷͯʯ
ʮΧϝϥ࣋ͬͯΔΞϓϦདྷͯʯ • startActivityForResult • onActivityResultͰ ݁ՌΛड͚औΕΔݺͼग़͠ํ
• resultCode • Intent͕ظ௨Γऴ͔ྃͨ͠Ͳ͏͔
• requestCode • IntentΛૹͬͨૹ৴ݩΛผ͢Δࣈ
• data • IntentઌͰͷ݁Ռ͕٧ΊΒΕ͍ͯΔ (Nullable)
ը૾ड͚औΓ
BITMAPେ͖͍ • Bitmapը૾ͳͷͰ༰ྔ͕େ͖͍ • Intentʹ٧ΊΔʹ͍ۤ͠ • URIͰΓͱΓ͢Δ • https://ja.wikipedia.org/wiki/ Uniform_Resource_Identifier
ʮΧϝϥ࣋ͬͯΔΞϓϦདྷͯʯ • ʮͨͩ݁͠ՌfileUriʹೖΕ͍ͯͩ͘͞ʯ • Util.getOutputMediaFileUriͰ ݁ՌͷUriΛ࡞
URIΛੜ • GoogleͷνϡʔτϦΞϧ͔Βഈआ • https://developer.android.com/intl/ja/guide/ topics/media/camera.html#saving-media • આ໌ׂѪ
• fileUriʹͲΜͳ͕ೖ͍ͬͯΔͷ͔֬ೝͯ͠ ΈΑ͏ • ઌ΄ͲͱҟͳΓdatanullͳͷͰҙɻ
ΪϟϥϦʔݺͼग़͠
҉తINTENT • ʮը૾Ұཡ͕ݟ͍ͨʯ
ʮը૾Ұཡ͕ݟ͍ͨʯ • ݟ্ͨʹҰͭબ͍ͨ͠
• data.getData()Ͱ ΪϟϥϦʔ͔Βબͨ͠ը૾ͷUriΛऔಘ • ΧϝϥɾΪϟϥϦʔͲͪΒʹ͓͍ͯΤσΟ λʔىಈͷͨΊʹUriΛ͢
ΤσΟλʔىಈ
໌ࣔతINTENT • SDKͷComponentΛࢦఆ • ʮAviaryͷΤσΟλʔདྷͯʯ
ʮAVIARYͷΤσΟλʔདྷͯʯ • AdobeImageIntent • SDKͷΫϥε • Ճ͍ͨ͠ը૾ͷUriΛ͢
தΛݟΔͱ • AdobeImageIntent.class • AdobeImageEditorActivity.class • ಛఆͷCompomentΛࢦఆ͍ͯ͠Δɻ
• data.getData()ͰՃͨ͠ը૾ͷUriΛऔಘ • औಘͨ͠Uri͔ΒImageViewʹը૾Ληοτ
ը૾γΣΞ
҉తINTENT • ʮը૾ૹΓ͍ͨΜ͚ͩͲ୭͔ʯ
ʮը૾ૹΓ͍ͨΜ͚ͩͲ୭͔ʯ • setAction • ૹΓ͍ͨ • putExtra • ͢σʔλ •
setType • σʔλͷϑΥʔϚοτ
͜ΕͰಉ͡ • Χϝϥݺͼग़͠ʹࣅͯΔ
ڪΒͨ͘͘͞ΜԠ͢Δ • Twitter, Facebook, Instagram, LINE… • ͦͷબࢶ͕ԿΛҙຯ͢Δͷ͔ λΠτϧΛ͚ͭͯϢʔβʹ͔Γ͘͢͢Δ
None
• Intent.createChooserͰλΠτϧΛ͚ͭΒΕΔ • จࣈྻxmlͰఆٛͯ͠ಈతʹऔಘ͢Δɻ • res/values/strings.xml • جຊతʹϕλॻ͖͠ͳ͍
҉తINTENTͷ݅ઃఆ
Ͳ͏ͯ͠൴ΒԠ͢Δͷ͔ • ࣗͨͪͰ࡞ΕΔͷ͔ʁ ࡞Εͳ͍͕ͣͳ͍ɻ • ͔͜͠͠ͷΧϝϥΞϓϦ ԿʹԠ͠ͳ͍ • ҧ͍ʁ
ԠͰ͖Δ͜ͱΛهड़ • AndroidManifest.xmlʹ ͲͷComponent͕ ͳʹʹԠ͢Δͷ͔ఆٛ͢Δɻ
҉తINTENTͷ݅ઃఆ • ݅ઃఆ • Action • Category • Data
ACTION • ͲΜͳ͜ͱΛ͍ͤͨ͞ͷ͔ • Intent.ACTION_VIEW • ݟΔ • Intent.ACTION_SEND •
͢
CATEGORY • ͲΜͳΧςΰϦͷίϯϙʔωϯτʹ Ԡͯ͠Β͏͔ • Intent.CATEGORY_DEFAULT • ҉తIntentʹରԠ͍ͯ͠Δ • Intent.CATEGORY_LAUNCHER
• ϥϯνϟʔʹද͍ࣔͯ͠Δ
DATA • ίϯϙʔωϯτʹ͍ͨ͠Data • putExtra(String extra, Bundle data); • Intent.EXTRA_TEXT
• ACTION_SENDͰ͍ͨ͠Data(จࣈྻ) • Intent.EXTRA_STREAM • ACTION_SENDͰ͍ͨ͠Data(ϑΝΠϧύε)
DATA • setType(String mimeType) • ࣮ϑΝΠϧͤͳ͍ͷͰڭ͑Δඞཁ͕͋Δ • text/plain • ςΩετ
• image/jpeg • ը૾
ࢁ΄Ͳ͋Δ • https://developer.android.com/intl/ja/reference/ android/content/Intent.html
ઃఆྫ(ࣄྫͱͯ͠հ) • trunk://~ or http://~ ͷURLʹରͯ͠ɺ WebIntentActivityͱ͍͏ Component͕Ԡ͢Δ • ࣮ࡍड͚औͬͨޙͷॲཧඞཁ