[Kotlin] Coroutine + CoroutineExceptionHandler

build.gradle (Module: app)

dependencies {
    // Coroutine
    implementation 'org.jetbrains.kotlinx:kotlinx-coroutines-core:1.3.7'
    implementation 'org.jetbrains.kotlinx:kotlinx-coroutines-android:1.3.4'
}

 

 

 

 

 

 

 

MainActivity.kt

package com.jwsoft.kotlinproject

import android.os.Bundle
import androidx.appcompat.app.AppCompatActivity
import kotlinx.coroutines.*

class MainActivity : AppCompatActivity() {

    override fun onCreate(savedInstanceState: Bundle?) {
        super.onCreate(savedInstanceState)
        setContentView(R.layout.activity_main)

        GlobalScope.launch(Dispatchers.IO) {
            launch {
                throw Exception()
            }
        }
    }

}

앱이 강제로 종료됨.

 

앱이 강제로 종료됨.

 

 

 

 

 

 

MainActivity.kt

package com.jwsoft.kotlinproject

import android.os.Bundle
import android.util.Log
import androidx.appcompat.app.AppCompatActivity
import kotlinx.coroutines.*

class MainActivity : AppCompatActivity() {

    override fun onCreate(savedInstanceState: Bundle?) {
        super.onCreate(savedInstanceState)
        setContentView(R.layout.activity_main)

        val handler = CoroutineExceptionHandler {coroutineContext, throwable ->
            Log.e("", throwable.toString())
        }

        GlobalScope.launch(Dispatchers.IO + handler) {
            launch {
                throw Exception()
            }
        }
    }

}

실행 결과