Say good-bye to Kotlin Android Extensions

「YUMEMI.apk #2 〜ようこそ！Android 11〜」（2020年11月27日）での発表資料です。

Transcript

1. Say good-bye to Kotlin
   Android Extensions
   okuzawats
   YUMEMI.apk #2
   2020/11/27
   converted to markdown format 2022/05/28
   © 2020 okuzawats
   © 2020 okuzawats
   

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2. Who?
   okuzawats
   Twitter: okuzawats
   GitHub: okuzawats
   Android / Flutter（ ）
   @ Fuller, Inc.
   Say good-bye to Kotlin Android Extensions
   Say good-bye to Kotlin Android Extensions
   © 2020 okuzawats
   © 2020 okuzawats 2
   2
   

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3. Kotlin 1.4.20-M2
   Deprecate Kotlin Android Extensions compiler plugin
   3
   3
   Say good-bye to Kotlin Android Extensions
   Say good-bye to Kotlin Android Extensions
   © 2020 okuzawats
   © 2020 okuzawats
   

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4. Kotlin Android Extensions
   views
   parcelize
   4
   4
   Say good-bye to Kotlin Android Extensions
   Say good-bye to Kotlin Android Extensions
   © 2020 okuzawats
   © 2020 okuzawats
   

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5. Kotlin Android Extensions
   views (dead)
   parcelize (dead)
   5
   5
   Say good-bye to Kotlin Android Extensions
   Say good-bye to Kotlin Android Extensions
   © 2020 okuzawats
   © 2020 okuzawats
   

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6. views
   "not recommended practice"
   6
   6
   Say good-bye to Kotlin Android Extensions
   Say good-bye to Kotlin Android Extensions
   © 2020 okuzawats
   © 2020 okuzawats
   

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7. Alternatives
   findViewById: traditional way
   ViewBinding: can use existing layout
   DataBinding: can bind variables in layout file
   7
   7
   Say good-bye to Kotlin Android Extensions
   Say good-bye to Kotlin Android Extensions
   © 2020 okuzawats
   © 2020 okuzawats
   

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8. Alternatives
   findViewById: traditional way
   ViewBinding: can use existing layout
   DataBinding: can bind variables in layout file
   8
   8
   Say good-bye to Kotlin Android Extensions
   Say good-bye to Kotlin Android Extensions
   © 2020 okuzawats
   © 2020 okuzawats
   

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9. Enable ViewBinding
   9
   9
   Say good-bye to Kotlin Android Extensions
   Say good-bye to Kotlin Android Extensions
   © 2020 okuzawats
   © 2020 okuzawats
   

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10. Enable ViewBinding
    10
    10
    Say good-bye to Kotlin Android Extensions
    Say good-bye to Kotlin Android Extensions
    © 2020 okuzawats
    © 2020 okuzawats
    

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11. Enable ViewBinding
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    11
    Say good-bye to Kotlin Android Extensions
    Say good-bye to Kotlin Android Extensions
    © 2020 okuzawats
    © 2020 okuzawats
    

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12. Enable ViewBinding
    12
    12
    Say good-bye to Kotlin Android Extensions
    Say good-bye to Kotlin Android Extensions
    © 2020 okuzawats
    © 2020 okuzawats
    

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13. Enable ViewBinding
    wada811 / ViewBinding-ktx
    13
    13
    Say good-bye to Kotlin Android Extensions
    Say good-bye to Kotlin Android Extensions
    © 2020 okuzawats
    © 2020 okuzawats
    

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14. Disable Kotlin Android Extensions
    (views)
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    14
    Say good-bye to Kotlin Android Extensions
    Say good-bye to Kotlin Android Extensions
    © 2020 okuzawats
    © 2020 okuzawats
    

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15. Kotlin Android Extensions
    (parcelize)
    15
    15
    Say good-bye to Kotlin Android Extensions
    Say good-bye to Kotlin Android Extensions
    © 2020 okuzawats
    © 2020 okuzawats
    

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16. Kotlin Android Extensions
    (parcelize)
    to
    When update Kotlin 1.4.20-M2
    16
    16
    Say good-bye to Kotlin Android Extensions
    Say good-bye to Kotlin Android Extensions
    © 2020 okuzawats
    © 2020 okuzawats
    

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17. Before:
    After:
    17
    17
    Say good-bye to Kotlin Android Extensions
    Say good-bye to Kotlin Android Extensions
    © 2020 okuzawats
    © 2020 okuzawats
    

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18. Reference
    https://github.com/JetBrains/kotlin/releases/tag/v1.4.20-
    M2
    https://proandroiddev.com/migrating-the-deprecated-
    kotlin-android-extensions-compiler-plugin-to-
    viewbinding-d234c691dec7
    18
    18
    Say good-bye to Kotlin Android Extensions
    Say good-bye to Kotlin Android Extensions
    © 2020 okuzawats
    © 2020 okuzawats
    

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