Here is my code:
Const.kt
package sample.com.sample_app
object Const {
const val NAVIGATION_MODE_STANDARD = 1
const val NAVIGATION_MODE_LIST = 2
}
NavigationMode.kt
package sample.com.sample_app
import android.support.annotation.IntDef
import java.lang.annotation.Retention
import java.lang.annotation.RetentionPolicy.SOURCE
@Retention(SOURCE)
@IntDef(Const.NAVIGATION_MODE_LIST, Const.NAVIGATION_MODE_STANDARD)
annotation class NavigationMode
OtherAct.kt
package sample.com.sample_app
import android.os.Bundle
import android.support.v7.app.AppCompatActivity
class OtherAct : AppCompatActivity() {
@NavigationMode
private var a: Int = 12
override fun onCreate(savedInstanceState: Bundle?) {
super.onCreate(savedInstanceState)
a = 34
}
}
No error or warning from Android Studio or ./gradlew lint
My environment:
buildToolsVersion "28.0.2"
kotlin_version = '1.2.41'
implementation 'com.android.support:appcompat-v7:27.1.1'
Unfortunately, it works only for function's parameters and not for the property itself