Android Studio の気になる warnings を抑制する方法まとめ

Gotanda.mobile #2 in VASILY で発表した資料です。
https://gotandamb.connpass.com/event/50876/

Transcript

1. 1JOF .J[VOF
   .BS (PUBOEBNPCJMF JO 7"4*-:
   "OESPJE 4UVEJP ͷؾʹͳΔ XBSOJOHT Λ
   ཈੍͢Δํ๏·ͱΊ
   

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2. ࣗݾ঺հ
   v (JU)VC !QJOF
   v 5XJUUFS !QJOF
   v גࣜձࣾωΫετϏʔτ JO ޒ൓ా
   
   v (PUBOEBNPCJMFKT 0SHBOJ[FS
   v ֆจࣈδΣωϨʔλʔ "VUIPS
   

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3. ֓ཁ
   "OESPJE ͷ։ൃͰΑ͋͘Δ XBSOJOHT ͱ
   ͦͷ XBSOJOHT Λ ཈੍͢Δํ๏ Λ·ͱΊ·ͨ͠ɻ
   ແବʹπʔϧʹౖΒΕͳ͍ շదͳ։ൃ؀ڥ Λ࡞Γ·͠ΐ͏ɻ
   

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4. ͳͥ XBSOJOHT Λ཈੍͢Δͷ͔
   ରԠ͠ͳͯ͘΋ྑ͍ XBSOJOHT Ͱ͋ΔͨΊ
   o ࢦఠࣗମ͕ؒҧ͍ͬͯΔ ޡݕ஌
   
   o ϓϩμΫτతʹରԠͷඞཁੑ͕ബ͍
   BCPSU0O&SSPS Λઃఆ͢Δํ਑ͳ৔߹
   o XBSOJOHT ΛରԠ͢Δ͔ɺແࢹͤ͞Δ͔ͷೋ୒
   ؾʹͳΔ͔Β ˡରԠ͢Δͱਫ਼ਆӴੜ্ྑ͍
   

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5. XBSOJOHT Λ཈੍͢Δʹ͸
   ϑΝΠϧ୯ҐͰແࢹͤ͞Δ
   o XBSOJOHT ֘౰Օॴʹແࢹͤ͞Δهड़Λߦ͏
   o ίʔυࣗମ͕৑௕ʹͳΔͷ͕σϝϦοτ
   ϓϩδΣΫτ୯ҐͰແࢹͤ͞Δ
   o ϓϩδΣΫτશମͷઃఆ ྫ CVJMEHSBEMF
   ʹهड़
   o XBSOJOHT ࣗମʹؾ͚ͮͳ͘ͳΔͷ͕σϝϦοτ
   

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6. ϑΝΠϧ୯ҐͰͷ XBSOJOHT ରԠ
   ଟ͘ͷ৔߹ϛεͳͷͰܯࠂͯ͠ཉ͍͕͠ɺ
   ಛఆͷՕॴͰ͸཈੍͍ͨ͠ XBSOJOHT
   q༻్
   OFWFS VTFE EFQSFDBUFE
   DPOUFOU%FTDSJQUJPO
   

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7. ϑΝΠϧ୯Ґ +BWB ,PUMJO ϑΝΠϧ
   OFWFS VTFE
   EFQSFDBUFE
   ద੾ͳΞϊςʔγϣϯΛ෇͚·͠ΐ͏
   q݁࿦
   @SuppressWarnings("unused")
   @SuppressWarnings("deprecation")
   ࢀߟ IUUQLVSSZUSBOCMPHTQPUKQBOESPJETUVEJPMJTUPGTVQQSFTTXBSOJOHIUNM
   

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8. ϑΝΠϧ୯Ґ ϨΠΞ΢τ 9.- ϑΝΠϧ
   DPOUFOU%FTDSJQUJPO
   q݁࿦
   UPPMJHOPSF Λ࢖͍·͠ΐ͏
   xmlns:tools="http://schemas.android.com/tools"
   tools:ignore=”ContentDescription”
   

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9. ϑΝΠϧ୯Ґ ϨΠΞ΢τ 9.- ϑΝΠϧ
   q݁࿦
   UPPMJHOPSF Λ࢖͍·͠ΐ͏
   xmlns:tools="http://schemas.android.com/tools"
   tools:ignore="RtlHardcoded”
   3JHIU UP -FGU TVQQPSUT
   

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10. ϓϩδΣΫτ୯ҐͰͷ XBSOJOHT ରԠ
    ϓϩδΣΫτͷ໨తୡ੒ͷͨΊʹ
    ͦ΋ͦ΋ෆཁͳ XBSOJOHT ͳ৔߹
    q༻్
    DPOUFOU%FTDSJQUJPO
    3JHIU UP -FGU TVQQPSUT
    

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11. ϓϩδΣΫτ୯Ґ XBSOJOHT ࣗମΛແޮԽ͢Δ
    "OESPJE -JOU ͷઃఆͰແޮԽ͠·͠ΐ͏
    q݁࿦
    3JHIU UP -FGU TVQQPSUT
    ͦ΋ͦ΋೔ຊͰ͔͠ϦϦʔε͠ͳ͍ʜ
    lintOptions {
    disable 'RtlHardcoded'
    }
    JO CVJMEHSBEMF
    ࢀߟ IUUQLVSSZUSBOCMPHTQPUKQBOESPJETUVEJPMJTUPGTVQQSFTTXBSOJOHIUNM
    

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12. ϓϩδΣΫτ୯Ґ XBSOJOHT ݕग़ͷݪҼΛઈͭ
    XBSOJOHT ݕग़࣌ͷઃఆͰ཈੍Ͱ͖Δ৔߹͕͋Δ
    q݁࿦
    VOVTFE
    Ξϊςʔγϣϯܦ༝Ͱݺͼग़͞ΕΔʜ
    
    
    
    itemvalue="butterknife.OnClick" />
    
    
    JO JEFBNJTDYNM
    

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13. ·ͱΊ
    v ରԠෆཁͳ XBSOJOHT ͸཈੍Մೳ
    v ϑΝΠϧ͝ͱɺϓϩδΣΫτ͝ͱʹઃఆՄೳ
    v ରԠ͢΂͖΋ͷ͸ɺ཈੍ͤͣରԠ͠·͠ΐ͏
    

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