RecycledViewPool @MoyuruAizawa

MoyuruAizawa Moyuru Aizawa
 Software engineer of CATS Div. CyberAgent Inc. 
 Previously at Pairs Div. Eureka Inc.

Recycler Scrap Heap 3FDZDMFS LayoutManager View View View Recycled ViewPool View View View Adapter RecyclerView

Recycler Scrap Heap 3FDZDMFS LayoutManager View View View Recycled ViewPool View View View Adapter RecyclerView

Recycler Scrap Heap 3FDZDMFS LayoutManager Recycled ViewPool View View View Adapter RecyclerView

Recycler Scrap Heap 3FDZDMFS LayoutManager Recycled ViewPool Adapter RecyclerView

3FDZDMFE7JFX1PPM Recycled ViewPool

3FDZDMFE7JFX1PPM Recycled ViewPool RecyclerView RecyclerView RecyclerView

3FDZDMFE7JFX1PPM Activity

3FDZDMFE7JFX1PPM Activity Fragment Fragment Fragment

3FDZDMFE7JFX1PPM Activity Fragment Fragment Fragment Recycler View Recycler View Recycler View

3FDZDMFE7JFX1PPM Activity Fragment Fragment Fragment Recycler View Recycler View Recycler View Recycled ViewPool

“To maximize view recycling we share the same view pool across all EpoxyRecyclerView instances in the same Activity.” BJSCOCFQPYZ&QPYZ3FDZDMFS7JFX

/BWJHBUJPO

class RecycledViewPoolFactory { private val viewPools = SparseArray() private fun create(lifecycleOwner: LifecycleOwner): RecycledViewPool { viewPools.get(lifecycleOwner.hashCode())?.let { return it } val viewPool = RecycledViewPool() viewPools.put(lifecycleOwner.hashCode(), viewPool) lifecycleOwner.lifecycle .addObserver(LifecycleEventObserver { _, event -> if (event == Lifecycle.Event.ON_DESTROY) { viewPool.clear() viewPools.remove(lifecycleOwner.hashCode()) } }) return viewPool } } 3FDZDMFE7JFX1PPM'BDUPSZ

class RecycledViewPoolFactory { private val viewPools = SparseArray() private fun create(lifecycleOwner: LifecycleOwner): RecycledViewPool { viewPools.get(lifecycleOwner.hashCode())?.let { return it } val viewPool = RecycledViewPool() viewPools.put(lifecycleOwner.hashCode(), viewPool) lifecycleOwner.lifecycle .addObserver(LifecycleEventObserver { _, event -> if (event == Lifecycle.Event.ON_DESTROY) { viewPool.clear() viewPools.remove(lifecycleOwner.hashCode()) } }) return viewPool } } 3FDZDMFE7JFX1PPM'BDUPSZ

class RecycledViewPoolFactory { private val viewPools = SparseArray() private fun create(lifecycleOwner: LifecycleOwner): RecycledViewPool { viewPools.get(lifecycleOwner.hashCode())?.let { return it } val viewPool = RecycledViewPool() viewPools.put(lifecycleOwner.hashCode(), viewPool) lifecycleOwner.lifecycle .addObserver(LifecycleEventObserver { _, event -> if (event == Lifecycle.Event.ON_DESTROY) { viewPool.clear() viewPools.remove(lifecycleOwner.hashCode()) } }) return viewPool } } 3FDZDMFE7JFX1PPM'BDUPSZ

class RecycledViewPoolFactory { private val viewPools = SparseArray() private fun create(lifecycleOwner: LifecycleOwner): RecycledViewPool { viewPools.get(lifecycleOwner.hashCode())?.let { return it } val viewPool = RecycledViewPool() viewPools.put(lifecycleOwner.hashCode(), viewPool) lifecycleOwner.lifecycle .addObserver(LifecycleEventObserver { _, event -> if (event == Lifecycle.Event.ON_DESTROY) { viewPool.clear() viewPools.remove(lifecycleOwner.hashCode()) } }) return viewPool } } 3FDZDMFE7JFX1PPM'BDUPSZ

class RecycledViewPoolFactory { private val viewPools = SparseArray() private fun create(lifecycleOwner: LifecycleOwner): RecycledViewPool { viewPools.get(lifecycleOwner.hashCode())?.let { return it } val viewPool = RecycledViewPool() viewPools.put(lifecycleOwner.hashCode(), viewPool) lifecycleOwner.lifecycle .addObserver(LifecycleEventObserver { _, event -> if (event == Lifecycle.Event.ON_DESTROY) { viewPool.clear() viewPools.remove(lifecycleOwner.hashCode()) } }) return viewPool } } 3FDZDMFE7JFX1PPM'BDUPSZ

class RecycledViewPoolFactory { private val viewPools = SparseArray() private fun create(lifecycleOwner: LifecycleOwner): RecycledViewPool { viewPools.get(lifecycleOwner.hashCode())?.let { return it } val viewPool = RecycledViewPool() viewPools.put(lifecycleOwner.hashCode(), viewPool) lifecycleOwner.lifecycle .addObserver(LifecycleEventObserver { _, event -> if (event == Lifecycle.Event.ON_DESTROY) { viewPool.clear() viewPools.remove(lifecycleOwner.hashCode()) } }) return viewPool } } 3FDZDMFE7JFX1PPM'BDUPSZ

class RecycledViewPoolFactory { private val viewPools = SparseArray() private fun create(lifecycleOwner: LifecycleOwner): RecycledViewPool { viewPools.get(lifecycleOwner.hashCode())?.let { return it } val viewPool = RecycledViewPool() viewPools.put(lifecycleOwner.hashCode(), viewPool) lifecycleOwner.lifecycle .addObserver(LifecycleEventObserver { _, event -> if (event == Lifecycle.Event.ON_DESTROY) { viewPool.clear() viewPools.remove(lifecycleOwner.hashCode()) } }) return viewPool } } 3FDZDMFE7JFX1PPM'BDUPSZ

Thank you