혀가 길지 않은 개발자

build.gradle (Module: app) dependencies { // viewModelScope implementation 'androidx.lifecycle:lifecycle-viewmodel-ktx:2.2.0' // Coroutine implementation 'org.jetbrains.kotlinx:kotlinx-coroutines-core:1.3.7' implementation 'org.jetbrains.kotlinx:kotlinx-coroutines-android:1.3.7' } activity_main.xml activity_sub.xml MainActivity.kt package com.jwsoft.kotlinproject import android.content.Intent im..