Jetpack Compose best practices 動画紹介 ＠GoogleI/O LT会

GoogleI/O 2022 より、Jetpack Compose best practicesのセッション動画の解説を社内LT用にまとめたものです。

Transcript

1. 
   
   
   
   ɹ
   
   
   
   
   
   50+0ɹ +FUQBDL
   $PNQPTF
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   QSBDUJDFT https://developer.android.com/jetpack/compose/performance ެࣜυΩϡϝϯτ
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   QSBDUJDFT
   GPS
   +FUQBDL
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   IUUQTXXXZPVUVCFDPNXBUDI W&02#15-LQ:UT
2. SFNFNCFS
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   ಡΈऔΓͷԆظ
   ٯํ޲ॻ͖ࠐΈͷճආ
   #BTFMJOF
   1SP fi MFT
   ϦϦʔεϞʔυͰϏϧυ͢Δ ಈըͷߏ੒ ࣮૷ͷ࿩ ΞϓϦߏ੒ͷ࿩ ύϑΥʔϚϯεʹؔ͢Δ
   ̓ͭͷΩʔϫʔυ
3. SFNFNCFS
   \^
   -B[Z
   -JTU
   LFZ
   EFSJWFE4UBUF0G
   \^
   ಡΈऔΓͷԆظ
   ٯํ޲ॻ͖ࠐΈͷճආ
   #BTFMJOF
   1SP fi MFT
   ϦϦʔεϞʔυͰϏϧυ͢Δ ಈըͷߏ੒ ࣮૷ͷ࿩ -5Ͱ͸
   ͚ͩ͜͜঺հ͠·͢ʂ ΞϓϦߏ੒ͷ࿩ $PNQPTJUJPOͱ3FDPNQPTJUJPOͷ
   ࢓૊ΈΛཧղ͍ͯ͠Δਓ޲͚ͷ಺༰Ͱ͢
   🙏
4. 
   SFNFNCFS\^ ֮͑Δ
   
   ࢥ͍ग़͢
5. ྑ͘ͳ͍ίʔυ %PO`U Ҿ༻ɿ
   IUUQTZPVUVCF&02#15-LQ: U
6. SFNFNCFS\^
   Λ࢖͓͏ %P
7. SFNFNCFS\^
   Λ࢖͓͏ %P ܭࢉ݁Ռ͕$PNQPTJUJPOʹอଘ͞ΕΔ
   LFZ͕มԽ͢Δ·Ͱ͸
   ࠶ܭࢉͤͣʹಉ͡஋Λฦ͢ SFNFNCFS\^
   ͸
8. 
   -B[Z
   -JTU
   LFZ JUFNʹࣝผࢠΛ͚ͭΔ
9. $BVUJPO ྑ͘ͳ͍ίʔυ
10. $POUBDU*UFN $POUBDU*UFN $POUBDU*UFN -B[Z$PMVNO *%
    
     *%
    
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     1PT
     1PT
     1PT
     ΞΠςϜ͸Ϧετ಺ͷҐஔͰೝࣝ͞Ε͍ͯΔ $BVUJPO ྑ͘ͳ͍ίʔυ
11. $POUBDU*UFN $POUBDU*UFN $POUBDU*UFN -B[Z$PMVNO *%
    
     *%
    
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     1PT
     1PT
     1PT
     $POUBDU*UFN $POUBDU*UFN $POUBDU*UFN -B[Z$PMVNO *%
    
     *%
    
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     1PT
     1PT
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     $POUBDU*UFN *%
    
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     ઌ಄ʹ
    ΞΠςϜΛ௥Ճ 3FDPNQPTJUJPO ΞΠςϜ͸Ϧετ಺ͷҐஔͰೝࣝ͞Ε͍ͯΔ $BVUJPO ྑ͘ͳ͍ίʔυ
12. -B[Z
    -JTU
    LFZ
    Λ࢖͓͏ %P
13. -B[Z
    -JTU
    LFZ
    Λ࢖͓͏ %P $POUBDU*UFN $POUBDU*UFN -B[Z$PMVNO *%
    
    BBB *%
    
    CCC *%
    
    DDD 1PT
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     $POUBDU*UFN $POUBDU*UFN $POUBDU*UFN -B[Z$PMVNO *%
    
    BBB *%
    
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    DDD 1PT
     1PT
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    YYY 1PT
     ઌ಄ʹ
    ΞΠςϜΛ௥Ճ ࠶ར༻ ΞΠςϜ͸
    ϢχʔΫͳ*%Ͱೝࣝ͞Ε͍ͯΔ $POUBDU*UFN %P
14. 
    EFSJWFE4UBUF0G\^ "
    ˠ
    #΁ͷ೿ੜ
15. %PO`U ྑ͘ͳ͍ίʔυ Ҿ༻ɿ
    IUUQTZPVUVCF&02#15-LQ: U
16. EFSJWFE4UBUF0G\^
    Λ࢖͓͏ %P
17. EFSJWFE4UBUF0G\^
    Λ࢖͓͏ %P ͋Δঢ়ଶ͔Β৽͍͠ঢ়ଶΛܭࢉ͢Δͱ͖ʹར༻͢Δ
    ೿ੜݩͷঢ়ଶ͕มԽͨ͠ͱ͖͚ͩ৽͍͠ঢ়ଶ͕ࢉग़͞ΕΔ EFSJWFE4UBUF0G\^
    ͸
18. 
    ಡΈऔΓͷԆظ 4UBUF5WBMVFͷಡΈऔΓλΠϛϯάͷݟۃΊ
19. %PO`U ྑ͘ͳ͍ίʔυ Ҿ༻ɿ
    IUUQTZPVUVCF&02#15-LQ: U
20. %PO`U $PNQPTJUJPO -BZPVU %SBX ͲͷΑ͏ͳ6*Λ
    දࣔͤ͞Δ͔ Ͳ͜ʹ6*Λ
    ഑ஔ͢Δ͔ 8IBU 8IFSF )PX ͲͷΑ͏ʹ6*Λ
    ϨϯμϦϯά͢Δ͔ ը໘ʹ6*͕ग़Δ·ͰͷͭͷϑΣʔζ ྑ͘ͳ͍ίʔυ
21. %PO`U $PNQPTJUJPO -BZPVU %SBX ը໘ʹ6*͕ग़Δ·ͰͷͭͷϑΣʔζ ͲͷΑ͏ͳ6*Λ
    දࣔͤ͞Δ͔ Ͳ͜ʹ6*Λ
    ഑ஔ͢Δ͔ 8IBU 8IFSF )PX ͲͷΑ͏ʹ6*Λ
    ϨϯμϦϯά͢Δ͔ ಡΈऔΔ $PMPS͕มԽ͢Δ౓ʹ
    ࠷ॳͷϑΣʔζ͔Β
    ࠶࣮ߦ͞Εͯ͠·͏ ྑ͘ͳ͍ίʔυ
22. ಡΈऔΓͷԆظ
    Λ࢖͓͏ %P
23. ಡΈऔΓͷԆظ
    Λ࢖͓͏ %P $PNQPTJUJPO -BZPVU %SBX ͲͷΑ͏ͳ6*Λ
    දࣔͤ͞Δ͔ Ͳ͜ʹ6*Λ
    ഑ஔ͢Δ͔ 8IBU 8IFSF )PX ͲͷΑ͏ʹ6*Λ
    ϨϯμϦϯά͢Δ͔ $PMPS͕มԽ͢Δ౓ʹ
    %SBXϑΣʔζ͚͕ͩ
    ࠶࣮ߦ͞ΕΔ ಡΈऔΓ ը໘ʹ6*͕ग़Δ·ͰͷͭͷϑΣʔζ
24. SFNFNCFS
    \^
    -B[Z
    -JTU
    LFZ
    EFSJWFE4UBUF0G
    \^
    ಡΈऔΓͷԆظ
    ٯํ޲ॻ͖ࠐΈͷճආ
    #BTFMJOF
    1SP fi MFT
    ϦϦʔεϞʔυͰϏϧυ͢Δ ಈըͷߏ੒ ࣮૷ͷ࿩ ̑͸ΠϕϯτͷίʔϧόοΫͰ
    ঢ়ଶΛߋ৽͠Α͏ͱ͍͏؆୯ͳ࿩ ΞϓϦߏ੒ͷ࿩ https://developer.android.com/jetpack/compose/performance ެࣜυΩϡϝϯτ
    c
    $PNQPTF
    ͷύϑΥʔϚϯε υΩϡϝϯτΛಡΜͰ͍ͩ͘͞
25. Ҏ্ɻ
    +FUQBDL
    $PNQPTF
    CFTU
    QSBDUJDFT
    ͷಈը঺հͰͨ͠🌞 هࣄ΋ࣥචதͰ͢📝
26. 
    ٯํ޲ॻ͖ࠐΈͷճආ
27. %PO`U ྑ͘ͳ͍ίʔυ
28. ٯํ޲ॻ͖ࠐΈ
    Λճආ͠Α͏ %P