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Merge pull request #30 from TouchInstinct/feature/recycler-onchange-observer 

Added recycler onChange observer with extension
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Aksenov Vladimir 2019-07-05 17:01:16 +03:00 committed by GitHub
parent 9b52227994 7ca93645c6
commit 835e54b33b
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1 changed files with 23 additions and 0 deletions
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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()
}
fun RecyclerView.Adapter<out RecyclerView.ViewHolder>.onDataUpdatedAndDrawn(onChanged: () -> Unit) = registerAdapterDataObserver(
object : SimpleDataObserver() {
override fun onChange() = onChanged()
}
)