180402(월) - blueprint AAC & kotlin

blueprint AAC & kotlin

TasksActivity

- getting ViewModel 부분을 extension으로 빼놓았다.

SingleLiveEvent

- MutableLiveData extends

- pending이 AtomicBoolean으로 선언

- https://developer.android.com/reference/java/util/concurrent/atomic/package-summary.html

TasksViewModel

- primitive type이 아니면 ObservableField

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