Flutterでキャッチしないエラーはどこに行く

Transcript

1. 
   ੨໦
   େथ 'MVUUFSͰΩϟον͠ͳ͍Τϥʔ ͸Ͳ͜ʹߦ͘ 'MVUUFS
   5PLZP
   
2. ۙӨ w ੨໦
   େथʢ͓͖͋
   ͍ͨ͡Ύʣ
   w ձࣾһ
   w 'MVUUFSͱ͸͔Β৮ͬͨΓ཭ ΕͨΓ໭ͬͨΓΏΔ͍෇͖߹͍ ࣗݾ঺հ
3. ͜ͷ࿩ͷ໨త w 'MVUUFSΞϓϦશମʹର͢ΔجຊతͳΤϥʔϋϯυϦϯάํ๏Λཧղ͢Δ
   w ެࣜʹ΄΅·ͱ·ͬͯΔ͚Ͳɺ৘ใΛ෇͚଍ͭͭ͠੔ཧ͢Δ
   w ެࣜ
   IUUQTEPDT fl VUUFSEFWUFTUJOHFSSPST
   w ੺͍ը໘ͬͯ୭͕ग़ͯ͠ΔΜͩΖ͏ʁͱ͍͏ɺ͔ͭͯͷࣗ෼ͷٙ໰ʹ౴͑Δ
4. ͜͜Ͱݴ͏ʮΩϟον͠ͳ͍Τϥʔʯͱ͸ w ͬ͘͟Γɺ'MVUUFSΞϓϦ։ൃऀ͕
   ΤϥʔϋϯυϦϯά͍ͯ͠ͳ͍Τϥʔ
   w ˞&SSPSΫϥεʹݶͬͨ࿩Ͱ͸ͳ͘ɺΑΓ ޿ٛͷҙຯͰͷΤϥʔͰ͢
5. ͜͜Ͱݴ͏ʮΩϟον͠ͳ͍Τϥʔʯͱ͸ w ͜͏͍͏΍ͭΒ
   👉
6. Ωϟον͠ͳ͍Τϥʔ͸Ͳ͜ʹߦ͘ʁͷ݁࿦ w 'MVUUFSϑϨʔϜϫʔΫ͕Ωϟον͢ΔΤϥʔ
   w ˠ
   'MVUUFS&SSPSPO&SSPS
   ʹྲྀΕΔ
   w 'MVUUFSϑϨʔϜϫʔΫ͕Ωϟον͠ͳ͍Τϥʔ
   w ˠ
   1MBUGPSN%JTQBUDIFSJOTUBODFPO&SSPS
   ʹྲྀΕΔ
7. 'MVUUFSϑϨʔϜϫʔΫ͕Ωϟον ͢ΔΤϥʔ
8. ର৅ͷΤϥʔ w ϏϧυɺϨΠΞ΢τɺϖΠϯτͷ֤ϑΣʔζͰൃ ੜͨ͠ΤϥʔͳͲɺ'MVUUFSϑϨʔϜϫʔΫࣗମʹ ΑͬͯτϦΨʔ͞ΕΔίʔϧόοΫதʹൃੜ͢Δ Τϥʔ
   w ྫ
   w JOJU4UBUFͳͲ8JEHFUϥΠϑαΠΫϧʹԠͨ͡ ίʔϧόοΫ಺Ͱͷྫ֎
   w CVJMEϝιουͰͷྫ֎
   w "
   3FOEFS'MFY
   PWFS fl PXFEʜ
9. Ͳ͜ʹߦ͘ w 'MVUUFS&SSPSPO&SSPSʹདྷΔͷͰ͜ͷίʔϧόο ΫΛઃఆ͢Δ͜ͱͰϋϯυϦϯάͰ͖Δ
   w σϑΥϧτͩͱ
   'MVUUFS&SSPSPO&SSPS
   ୅ೖՄ
   ˣ
   'MVUUFS&SSPSQSFTFOU&SSPS
   ୅ೖՄ
   ˣ
   'MVUUFS&SSPSEVNQ&SSPS5P$POTPMF
   ͷݺͼग़͠
   w 'MVUUFSϑϨʔϜϫʔΫ͕Ωϟον͢ΔΤϥʔͰ͋ Ε͹'MVUUFS&SSPSPO&SSPS͸ݺ͹ΕΔ͕ɺΤϥʔͷ छྨɺϞʔυʹΑͬͯදࣔʹࠩҟ͕͋Δ
10. ϏϧυϑΣʔζͷΤϥʔ w %FCVHϞʔυͷ৔߹͸੺͍ը໘ʹϝοηʔ δ
    w 3FMFBTFɺ1SP fi MFͷ৔߹͸փ৭ͷը໘ʹϝ οηʔδͳ͠
    w ௨শ
    lࢮͷ੺ʢPSփ৭ʣը໘z
    w SFE
    PS
    HSFZ
    TDSFFO
    PG
    EFBUIz
11. ϏϧυϑΣʔζͷΤϥʔ w ੺΍փ৭ͷը໘͸&SSPS8JEHFU͕ද͍ࣔͯ͠Δ
    w &SSPS8JEHFU͸಺෦Ͱ3FOEFS&SSPS#PYʹґଘ͓ͯ͠Γɺ 3FOEFS&SSPS#PYͷ࣮૷಺ʹ۩ମతͳ৭ͷࢦఆ͕͋Δ
    w IUUQTHJUIVCDPN fl VUUFS fl VUUFSCMPC DDEB ff CFBBGCEGEE QBDLBHFT fl VUUFSMJCTSDSFOEFSJOHFSSPSEBSU-
    w &SSPS8JEHFUCVJMEFSΛઃఆ͢Δ͜ͱͰද্͕ࣔॻ͖Ͱ͖Δ
    w ՄೳͳݶΓ࠷খݶͷ࡞ۀΛ͢Δ͜ͱ͕ਪ঑͞Ε͍ͯΔɻ
    -FBG3FOEFS0CKFDU8JEHFU͕࠷దͱͷ͜ͱ
    w ௨ৗɺ&SSPS8JEHFUCVJMEFS͕ݺͼग़͞ΕΔ௚લʹ 'MVUUFS&SSPSPO&SSPS͕ݺ͹ΕΔΒ͍͠
12. "
    3FOEFS'MFY
    PWFSGMPXFEʜ w %FCVHͩͱࠇͱԫ৭ͷࣶʑ͕දࣔ
    w 3FMFBTFͩͱ୯ʹ͸Έग़ͨ෦෼͕ දࣔ͞Εͳ͍͚ͩ
    w ͜ͷࣶʑ͸ %FCVH0WFS fl PX*OEJDBUPS.JYJOͰ ࣮૷͞Εͯͦ͏
    w ʢΧελϚΠζํ๏͸Θ͔ͬͯ ͍ͳ͍͕धཁ΋ͳ͍͔΋ʣ
13. *NBHF
    8JEHFUͷը૾ಡΈࠐΈࣦഊ w %FCVHͩͱ੺͍ઢͷϘοΫε͕ දࣔ͞ΕΔ
    w 3FMFBTFͩͱτϧπϝ͞ΕΔ
    w ίϯετϥΫλʹFSSPS#VJMEFS Λࢦఆ͢Δ͜ͱͰΧελϚΠζ Մೳ
14. ͦͷଞ w ଞʹ΋3FOEFS#PY
    XBT
    OPU
    MBJE
    PVU΍ *ODPSSFDU
    VTF
    PG
    1BSFOU%BUB
    XJEHFUͳͲ ಛผͳΤϥʔදࣔ͸ͳ͍͕ 'MVUUFS&SSPSPO&SSPS͸ݺ͹ΕΔ
    w ࣗ෼ͷ࣮૷Ͱ'MVUUFS&SSPSPO&SSPSʹΤϥʔ Λྲྀ͍ͨ͠৔߹ɺ'MVUUFS&SSPSSFQPSU&SSPS ΛݺͿ
    w ͜͜Ͱݴ͏ʮ'MVUUFSϑϨʔϜϫʔΫ͕Ωϟο ν͢ΔΤϥʔʯ͸ɺ 'MVUUFS&SSPSSFQPSU&SSPSͰॲཧ͞ΕΔΤϥ ʔͱݴ͍׵͑ͯ΋͍͍͔΋͠Εͳ͍ ίʔυҾ༻ݩ
    IUUQTBQJ fl VUUFSEFW fl VUUFSGPVOEBUJPO'MVUUFS&SSPSSFQPSU&SSPSIUNM
15. 'MVUUFSϑϨʔϜϫʔΫ͕Ωϟον ͠ͳ͍Τϥʔ
16. ର৅ͷΤϥʔ w ެࣜͰ͸ʮ'MVUUFSͷίʔϧόοΫ಺Ͱൃੜ͠ͳ ͍ΤϥʔʯʮίʔϧελοΫʹ'MVUUFSίʔϧό οΫ͕ͳ͍ঢ়ଶͰΤϥʔʯʮϧʔτJTPMBUFͰະ ॲཧͷΤϥʔʯͳͲදݱ͞Ε͍ͯΔ
    w ྫ
    w ඇಉظͷΤϥʔ
    w λΠϚʔͷίʔϧόοΫͰͷΤϥʔ
    w .FUIPE$BOOFMݺͼग़͠ͰͷΤϥʔ
17. Ͳ͜ʹߦ͘ w 1MBUGPSN%JTQBUDIFSJOTUBODFP O&SSPSʹདྷΔͷͰ͜ͷίʔϧόο ΫΛઃఆ͢Δ͜ͱͰϋϯυϦϯάͰ ͖Δ
    w ΤϥʔΛॲཧͨ͠ΒUSVFΛฦ͢
    w GBMTFΛฦͨ͠৔߹ɺϓϥοτϑΥʔ Ϝ͝ͱඪ४Τϥʔग़ྗ΁ͷग़ྗͳͲ ʹϑΥʔϧόοΫ͞ΕΔ
18. PO&SSPSະઃఆͷ৔߹ͷڍಈ w ίϯιʔϧʹΤϥʔ಺༰͕ग़ྗ͞ΕΔͷΈ
    w ಈ࡞ΛݟΔݶΓɺPO&SSPSΛઃఆͭͭ͠GBMTFΛฦ͢৔߹ͱಉ༷ͱࢥΘΕΔ
19. ·ͱΊ ओͳΤϥʔίʔϧόοΫ ༻్ Կ΋ઃఆ͠ͳ͍৔߹ ҰൠతͳϓϥΫςΟε 'MVUUFS&SSPSPO&SSPS 'MVUUFSϑϨʔϜϫʔΫ͕Ω ϟονͨ͠ΤϥʔΛัଊ ͠ɺॲཧ͢Δ Τϥʔ಺༰ͷίϯιʔϧग़ྗ
    ˞Τϥʔ಺༰΍NPEFʹΑΔ ΤϥʔΛग़ྗͭͭ͠όοΫ ΤϯυͷαʔϏεʹΤϥʔ Λૹ৴͢Δ 1MBUGPSN%JTQBUDIFSJOTUBO DFPO&SSPS 'MVUUFSϑϨʔϜϫʔΫ͕Ω ϟον͠ͳ͔ͬͨΤϥʔΛ ัଊ͠ɺॲཧ͢Δ Τϥʔ಺༰ͷίϯιʔϧग़ྗ ΤϥʔΛग़ྗͭͭ͠όοΫ ΤϯυͷαʔϏεʹΤϥʔ Λૹ৴͢Δ &SSPS8JEHFUCVJMEFS ϏϧυϑΣʔζͰͷΤϥʔൃ ੜ࣌ͷը໘දࣔ಺༰ΛΧε λϚΠζ͢Δ ੺͍ը໘ʢEFCVHʣ
    փ৭ը໘ʢSFMFBTFʣ ઃఆ͢Δ৔߹ɺՄೳͳݶΓ ࠷খݶͷ࡞ۀ಺༰ʹ͢Δɻ -FBG3FOEFS0CKFDU8JEHFU ͕࠷దͱͷ͜ͱ
20. ௥ՃͰਂ۷ΔͳΒ w SVO;POFE(VBSEFE
    w ғͬͨॲཧͷதͰൃੜͨ͠ΤϥʔʢඇಉظॲཧͷΤϥʔΛؚΉʣΛัଊ͠ ॲཧͰ͖Δଞɺ
    ͞·͟·ͳ༻్͕͋Γͦ͏
    w ࢠJTPMBUFͰΤϥʔ͕ൃੜͨ͠৔߹ͷϋϯυϦϯά
    w ࢠJTPMBUFͷΤϥʔͰ͸௚઀1MBUGPSN%JTQBUDIFSJOTUBODFPO&SSPS͕ݺ͹ ΕΔ͜ͱ͸ͳ͍ͨΊɺϧʔτJTPMBUFʹΤϥʔΛసૹ͢Δඞཁ͕͋ΔΒ͍͠
21. ࢀߟจݙ w )BOEMJOH
    FSSPST
    JO
    'MVUUFS
    w IUUQTEPDT fl VUUFSEFWUFTUJOHFSSPST
    w 'MVUUFS&SSPS DMBTT
    w IUUQTBQJ fl VUUFSEFW fl VUUFSGPVOEBUJPO'MVUUFS&SSPSDMBTTIUNM
    w &SSPS8JEHFU DMBTT
    w IUUQTBQJ fl VUUFSEFW fl VUUFSXJEHFUT&SSPS8JEHFUDMBTTIUNM
    w "
    (VJEF
    UP
    'MVUUFS
    FSSPS
    IBOEMJOH
    w IUUQTXXXZPVUVCFDPNXBUDI W.W:,*QX.&
22. ͋Γ͕ͱ͏͍͟͝·ͨ͠👋