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Translator using LiveData (and Kakao API) Observer is A simple callback that can receive from LiveData. Observer listens notifications from the LiveData in the active state of the LifecycleOwner. Active state means Lifecycle.State.STARTED or Lifecycle.State.RESUMED. Observer in Lifecycle.State.DESTROYED can not listen. LiveData is data holder class can be observed.

The current Status of Covid-19 and Vaccination in Korea using Data Binding. View Binding is Library of Android Jetpack. View Binding allows to more easily interacts with views. View Binding generates a binding class for each XML layout files. View Binding replaces findViewById. // build.gradle in Module android { ...

Pokemon list using Paging Library and PokeAPI. Contribute to kym1924/paging3-basic development by creating an account on GitHub.

Blog Search using Paging 3 Library (and Kakao API). It is important to show the user the loading status. If a user requests data from the server and there is no response until the data is loaded, It can be frustrating for the user.

SlidePuzzle using ListAdapter and DiffUtil. RecyclerView.Adapter has a list that holds data. If there is a change in the list, the adapter should be notified for RecyclerView to redraw a new list. Assign the value to the adapter's data.