kotlin coroutines
import kotlinx.coroutines.*
// Asynchronous execution
fun main() {
GlobalScope.launch { // creates a new coroutine and continues
doWorld() // suspending function
}
println("World !") // execution continues even while coroutine waits
runBlocking { // block main thread for 4 s (waits for 1rst coroutine)
delay(4000L)
}
}
suspend fun doWorld() {
delay(2000L) // non-blocking delay for 2000 milliseconds
println("Hello") // printed after "World !"
}kotlin coroutines
// Kotlin coroutines
def coroutines_version = "1.5.0"
implementation "org.jetbrains.kotlinx:kotlinx-coroutines-core: $coroutines_version"kotlin coroutine builders
launch - Launches new coroutine without blocking
current thread and returns a reference to the coroutine
as a Job.
runBlocking - Runs new coroutine and blocks current
thread interruptible until its completion.
async - Creates new coroutine and returns its future
result as an implementation of Deferred.
withContext - Change a coroutine context for some
block.Copyright © 2021 Codeinu
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