HopelessHubby-Final https://www.raywenderlich.com/5212210-jetpack-saved-state-for-viewmodel-getting-started more detail on https://developer.android.com/topic/libraries/architecture/viewmodel-savedstate?hl=id https://stackoverflow.com/questions/2533517/how-to-test-code-built-to-save-restore-lifecycle-of-an-activity Copyright 2021 M. Fadli Zein