android配置MainApplication.java有Kotlin版本的吗？

[qilovehua]

android配置第4步：确保MainApplication.java中被添加如下代码 直接加进去会报错误，哪位大神有Kotlin版本的吗？谢谢

e: file:///android/app/src/main/java/com/appsj/MainApplication.kt:78:7 Unresolved reference: public
e: file:///android/app/src/main/java/com/appsj/MainApplication.kt:78:19 Unresolved reference: onFailed
e: file:///android/app/src/main/java/com/appsj/MainApplication.kt:78:35 Unresolved reference: code
e: file:///android/app/src/main/java/com/appsj/MainApplication.kt:78:48 Unresolved reference: message
e: file:///android/app/src/main/java/com/appsj/MainApplication.kt:95:5 Unresolved reference: OppoRegister
e: file:///android/app/src/main/java/com/appsj/MainApplication.kt:95:47 Unresolved reference: appKey
e: file:///android/app/src/main/java/com/appsj/MainApplication.kt:95:55 Unresolved reference: appSecret
e: file:///android/app/src/main/java/com/appsj/MainApplication.kt:98:5 Unresolved reference: MeizuRegister
e: file:///android/app/src/main/java/com/appsj/MainApplication.kt:101:5 Unresolved reference: VivoRegister
e: file:///android/app/src/main/java/com/appsj/MainApplication.kt:105:3 'createNotificationChannel' overrides nothing

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