Use notifyItemRangeChanged instead of notifyDataSetChanged in PokemonAdapter

skydoves · skydoves · commit 21833a5ab059 · 2020-09-02T00:09:02.000+09:00
diff --git a/app/src/main/java/com/skydoves/pokedex/ui/adapter/PokemonAdapter.kt b/app/src/main/java/com/skydoves/pokedex/ui/adapter/PokemonAdapter.kt
@@ -49,8 +49,9 @@ class PokemonAdapter : RecyclerView.Adapter<PokemonAdapter.PokemonViewHolder>()
   }
 
   fun addPokemonList(pokemonList: List<Pokemon>) {
+    val previous = items.size
     items.addAll(pokemonList)
-    notifyDataSetChanged()
+    notifyItemRangeChanged(previous, pokemonList.size)
   }
 
   override fun onBindViewHolder(holder: PokemonViewHolder, position: Int) {

Original file line number	Diff line number	Diff line change
`@@ -49,8 +49,9 @@ class PokemonAdapter : RecyclerView.Adapter<PokemonAdapter.PokemonViewHolder>()`
`49`	`49`	`}`
`50`	`50`
`51`	`51`	`fun addPokemonList(pokemonList: List<Pokemon>) {`
	`52`	`+ val previous = items.size`
`52`	`53`	`items.addAll(pokemonList)`
`53`		`- notifyDataSetChanged()`
	`54`	`+ notifyItemRangeChanged(previous, pokemonList.size)`
`54`	`55`	`}`
`55`	`56`
`56`	`57`	`override fun onBindViewHolder(holder: PokemonViewHolder, position: Int) {`