13.1 Introduction to Jetpack
13.2 ViewModel
13.2.1 ViewModel Basics
13.2.2 Pass Param to ViewModel
13.3 Lifecycles
13.4 LiveData
13.4.1 LiveData Basics
13.4.2 map and switchMap
13.5 Room
13.5.1 Use Room to CRUD
13.5.2 Room Database Upgrade
13.6 WorkManager
13.6.1 WorkManager Basics
13.6.2 Handling Complex Task with WorkManager
13.7 Kotlin Class: Use DSL to Construct Specific Syntax
13.8 Summary and Comment