Slide 1

Slide 1 text

@akatsuki174 AndroidΞϓϦ։ൃͷ ໘ന͍τίϩ

Slide 2

Slide 2 text

ࣗݾ঺հ

Slide 3

Slide 3 text

• ਢ౻ຘʢ@akatsuki174ʣ • iOSΤϯδχΞ • TechTrain ϝϯλʔ • ϋϯυϝΠυ࡞Ո • DXELओ࠵ • TECH PLAYঁࢠ෦ ڞಉ୅ද • Women In Technology (WITY) ૑ઃ ϝϯόʔ ͦͷଞॾʑ

Slide 4

Slide 4 text

֓ཁ

Slide 5

Slide 5 text

;ΜΘΓ֓ཁ ࠷ۙAndroidΞϓϦ։ൃΛ࢝Ίͨࢲͷࢹ఺͔Βɺ ʮAndroidʢKotlinʣͬͯ͜Μͳ͜ͱͰ͖ΔΜͩʯ ͱࢥͬͨ΋ͷΛ٧Ί߹Θ͓ͤͯ఻͑͠·͢ɻ ڵຯΛ͖͔͚࣋ͭͬʹͳΕ͹ͱ… ※ࠓ೔঺հͨ͜͠ͱ ≠ Android։ൃͰॏཁͳ͜ͱ

Slide 6

Slide 6 text

ࠓ೔࿩͢͜ͱ ɾKotlin͔Θ͍͍ ɾϨΠΞ΢τ࡞੒ָ͕ ɾAndroidͰ͸ଞͷΞϓϦͷϦιʔε͕࢖͑Δ ɹɾจࣈྻ ɹɾը૾

Slide 7

Slide 7 text

Kotlin

Slide 8

Slide 8 text

Kotlinͱ͸ ɾJetBrains͕2011೥ʹൃදͨ͠ݴޠ ɾJavaͱ100%૬ޓӡ༻Մೳ ɾɾJavaίʔυΛϖʔετͨ͠ΒࣗಈͰKotlin ɹɹίʔυʹॻ͖׵͑ͯ͘ΕͨΓ ɾGoogle I/O 2017ʹͯެࣜ࠾༻ ɾGoogle I/O 2019ʹͯਪ঑ݴޠ΁

Slide 9

Slide 9 text

Kotlinͷಛ௃ ɾ੩తܕ෇͚ ɾΦϒδΣΫτࢦ޲ ɾNull҆શ ɾ؆ܿʹॻ͚Δ ɾΫϥΠΞϯταΠυ΋αʔόαΠυ΋ॻ͚Δ etc…

Slide 10

Slide 10 text

KotlinΫΠζ ̍- ໰୊ ΋ͬͱ؆ܿʹॻ͚·͢ɻͲ͏ॻ͚ΔͰ͠ΐ͏ʁ if (data == null) return

Slide 11

Slide 11 text

KotlinΫΠζ ̍- ౴͑ data ?: return ʮ?:ʯ͸ΤϧϏεԋࢉࢠɻԋࢉࢠͷࠨଆ͕nullͰ ͳ͚Ε͹ͦΕΛฦ͠ɺnullͩͬͨΒӈଆΛฦ͢ɻ ※ KotlinͰ͸return΋ࣜ

Slide 12

Slide 12 text

KotlinΫΠζ ̎- ໰୊ Javaͩͱ͜ͷΑ͏ʹॻ͘ॲཧɺKotlinͩͱ ͲͷΑ͏ʹॻ͚ΔͰ͠ΐ͏͔ʁ if (anyObject instanceof String) { String str = (String)anyObject; str.length; }

Slide 13

Slide 13 text

KotlinΫΠζ ̎- ౴͑ if (anyObject is String) { anyObject.length } ܕͷνΣοΫͱΩϟετΛಉ࣌ʹߦͬͯ͘ΕΔ ʢεϚʔτΩϟετʣ

Slide 14

Slide 14 text

ϨΠΞ΢τ࡞੒

Slide 15

Slide 15 text

AndroidͷϨΠΞ΢τ࡞੒ ɾxmlͰUIཁૉΛهड़͍ͯ͘͜͠ͱ΋ɺktϑΝΠϧ ɹଆͰϨΠΞ΢τཁૉͷΠϯελϯεΛ࡞੒͢Δ ɹ͜ͱ΋Ͱ͖Δ ɾxmlͰUIΛهड़͢Δͱɺಈ࡞੍ޚίʔυͱ ɹUIදࣔίʔυΛ෼͚Δ͜ͱ͕Ͱ͖Δ

Slide 16

Slide 16 text

AndroidͷϨΠΞ΢τ࡞੒ ɾLayout Editor Λ࢖͏ͱɺGUIͰૢ࡞͢Δ͚ͩͰ ɹϨΠΞ΢τΛ࡞੒͢Δ͜ͱ͕Ͱ͖Δ

Slide 17

Slide 17 text

σϞ ※ ͵Δ͵Δಈ͘GUIɺϨΠΞ΢τ࡞੒ͷ؆୯͕͞ ɹΘ͔ΔΑ͏ͳ΋ͷΛݟͤΔ

Slide 18

Slide 18 text

ଞΞϓϦͷϦιʔεΛ࢖͏

Slide 19

Slide 19 text

DroidKaigiʹͯ ʮAndroid͸ଞͷΞϓϦͷϦιʔεΛ࢖͏͜ͱ͕ Ͱ͖Δʯͱ͍͏࿩Λฉ͖ɺͱͯ΋ؾʹͳ͍ͬͯͨ ͷͰࠓճௐ΂ͯΈͨ

Slide 20

Slide 20 text

σϞ Qiitaهࣄ https://qiita.com/akatsuki174/items/ ff57714cbc57e5ce9909 αϯϓϧίʔυ https://github.com/akatsuki174/ UseOtherAppResourceSample

Slide 21

Slide 21 text

จࣈྻΛऔಘ͢Δίʔυ

Slide 22

Slide 22 text

ը૾Λऔಘ͢Δίʔυ

Slide 23

Slide 23 text

એ఻

Slide 24

Slide 24 text

No content

Slide 25

Slide 25 text

͝ਗ਼ௌ ͋Γ͕ͱ͏͍͟͝·ͨ͠ʂ