Caused by: java.lang.ClassNotFoundException: androidx.concurrent.futures.AbstractResolvableFuture guava 추가 toml guava = "29.0-android" guava = { module = "com.google.guava:guava", version.ref = "guava" } implementation(libs.guava) gradle.kts implementation("com.google.guava:guava:29.0-android") [안드로이드 공부]/안드로이드 공부 2023.07.13