Joda-timeをAndroidで使う話

http://atnd.org/events/49386

Transcript

1. +PEBUJNFΛ"OESPJEͰ࢖͏࿩ /BPUP
   5BLBIBTIJ 14೥4݄23೔ਫ༵೔
2. ࣗݾ঺հ w ∁ڮ௚ਓ !NJTZPCVO w IUUQXXXWBHSBOUVQKQ w IUUQEBMWJLJO w (.0ϖύϘגࣜձࣾ
   ॴଐ J04ΤϯδχΞ w ݸਓతʹ͸"OESPJE͕޷͖ 14೥4݄23೔ਫ༵೔
3. 14೥4݄23೔ਫ༵೔
4. ࠓ೔ͷ࿩ +PEBUJNFΛ"OESPJE Ͱ࢖͏࿩ 14೥4݄23೔ਫ༵೔
5. wKBWBVUJM%BUF wKBWBVUJM$BMFOEBS wKBWBUFYU4JNQMF%BUF'PSNBU /P
   5ISFBETBGF طଘͷ೔࣌ؔ࿈"1* ෳࡶͳ೔࣌ܭࢉʹऑ͘ɺϚϧνεϨουԼ Ͱ೔࣌৘ใΛѻ͏ࡍʹ͸஫ҙ࣮ͯ͠૷͠ͳ ͍ͱةݥɻʢྫɿऔҾ৘ใͷ೔࣌৘ใͱ͔ ڰͬͨΒ࠷ѱʣ 14೥4݄23೔ਫ༵೔
6. +PEB5JNF IUUQXXXKPEBPSHKPEBUJNF wڧྗͳ೔࣌ܭࢉػೳ w%BUF৘ใͷΠϯελϯε͕JNNVUBCMF +BWBͰ೔࣌ؔ࿈ͷߴػೳͳ"1*ͱ ݴͬͨΒ+PEB5JNF 5ISFBETBGF 14೥4݄23೔ਫ༵೔
7. +PEB5JNF ͋Δ࣌఺ʹ
   
   ೔Λ଍ͯ݁͠ՌΛग़ྗ͢Δ
   +%,
   ͷ৔߹ ͋Δ࣌఺ʹ
   
   ೔Λ଍ͯ݁͠ՌΛग़ྗ͢Δ
   +PEB
   ͷ৔߹ 14೥4݄23೔ਫ༵೔
8. +PEB5JNF ͔ܽ͠͠఺΋ʂ 14೥4݄23೔ਫ༵೔
9. 14೥4݄23೔ਫ༵೔
10. +PEB5JNFʢܽ఺ʣ ੈքதͷ5JNF;POF৘ใʢϑΝΠϧϕʔεͷ%#ʣ ΛKBSϑΝΠϧࣗ਎ͷதʹ͓࣋ͬͯΓɺ $MBTT-PBEHFU3FTPVSDF"T4USFBN Λ༻͍ͯಈ తʹ͜ΕΒͷ5;৘ใΛಡΈࠐΜͰ͍Δ͕ɺ͜ͷ HFU3FTPVSDF"T4USFBN ͷΩϟογϡػߏʹΑ Γ5;৘ใΛΩϟογϡ͠ଓ͚ϝϞϦΛඞཁҎ্ʹ ۬ͬͯ͠·͏ɻ "OESPJEͷΞϓϦͰߟ͑Δͱ͜ͷ5;ͷಡΈࠐΈͱ ΩϟογϯάʹΑΔϝϞϦফඅ͸க໋తʂ 14೥4݄23೔ਫ༵೔
11. IUUQEBOJFMDPEFTCMPHTQPUKQKPEBUJNFTNFNPSZJTTVFJOBOESPJEIUNM 14೥4݄23೔ਫ༵೔
12. +PEB5JNF
    ղܾํ๏ʣ 4ZTUFNTFU1SPQFSUZ PSHKPEBUJNF%BUF5JNF;POF1SPWJEFS ;POF*OGP1SPWJEFSΛ࣮૷ͨ͠ΫϥεHFU$BOPOJDBM/BNF  
    ಛఆͷ5JNF;POF͔͠ಡΈࠐ·ͳ͍ɺ;POF*OGP1SPWJEFS۩৅ΫϥεΛ࣮૷ͯ͠ 4ZTUFNTFU1SPQFSUZͰσϑΥϧτͷ1SPWJEFSͱஔ͖׵͑Δɻ ΞϓϦͷ࢓༷ͱͯ͠ରԠ͢Δ5;ϑΝΠϧΛΞϓϦଆͷBTTFUTσΟϨΫτϦʹ֨ೲ ͠`;POF*OGP1SPWJEFSΛ࣮૷ͨ͠Ϋϥε`͔ΒಡΈࠐΜͰ࢖͏ɻ 14೥4݄23೔ਫ༵೔
13. KPEBUJNFBOESPJE +PEB5JNF
    ղܾํ๏ʣ IUUQTHJUIVCDPNEMFXKPEBUJNFBOESPJE KPEBUJNFBOESPJE 14೥4݄23೔ਫ༵೔
14. +PEB5JNF
    ղܾํ๏ SFTSBX഑Լʹ5;ϑΝΠϧ͕഑ஔ͞Ε͍ͯͯίʔυ͔Β͸ Ϧιʔε*%ͰΞΫηε͍ͯ͠Δ 5;΁ͷΞϓϩʔν 14೥4݄23೔ਫ༵೔
15. +PEB5JNF
    ղܾํ๏ +VTU
    5SZ
    JU
     14೥4݄23೔ਫ༵೔
16. ෇࿥ wU[
    EBUBCBTFʢIUUQ KBXJLJQFEJBPSHXJLJ5[@EBUBCBTFʣ wKPEBUJNFBOESPJEʢ
    IUUQT HJUIVCDPNEMFXKPEBUJNF BOESPJEʣ ͝ਗ਼ௌ͋Γ͕ͱ͏͍͟͝·ͨ͠ʂ 14೥4݄23೔ਫ༵೔