unresolved reference activity_main
you should remove import android.Runresolved reference activity_main
you should remove import android.Runresolved reference activity_main kotlin
you maybe deleted this package com.example.yourappnameunresolved reference launch kotlin
fun main() {
GlobalScope.launch { // launch a new coroutine in background and continue
delay(1000L)
println("World!")
}
println("Hello,") // main thread continues here immediately
runBlocking { // but this expression blocks the main thread
delay(2000L) // ... while we delay for 2 seconds to keep JVM alive
}
}Copyright © 2021 Codeinu
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