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Code Issues Pull Requests 2 Packages Projects Releases Wiki Activity

Added recycler onChange observer with extension

This commit is contained in:
Aksenov Vladimir 2019-07-05 16:44:56 +03:00
parent 9b52227994
commit 2585e41b9f
2 changed files with 26 additions and 0 deletions
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9
kotlin-extensions/src/main/java/ru/touchin/extensions/RecyclerView.kt Normal file
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package ru.touchin.extensions
import androidx.recyclerview.widget.RecyclerView
fun RecyclerView.Adapter<out RecyclerView.ViewHolder>.onDataUpdatedAndDrawn(onChanged: () -> Unit) = registerAdapterDataObserver(
object : SimpleDataObserver() {
override fun onChange() = onChanged()
}
)

17
recyclerview-adapters/src/main/java/ru/touchin/adapters/SimpleDataObserver.kt Normal file
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package ru.touchin.adapters
import androidx.recyclerview.widget.RecyclerView
abstract class SimpleDataObserver : RecyclerView.AdapterDataObserver() {
abstract fun onChange()
override fun onItemRangeChanged(positionStart: Int, itemCount: Int) = onChange()
override fun onItemRangeInserted(positionStart: Int, itemCount: Int) = onChange()
override fun onItemRangeRemoved(positionStart: Int, itemCount: Int) = onChange()
override fun onItemRangeMoved(fromPosition: Int, toPosition: Int, itemCount: Int) = onChange()
}