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提高首页图集的滚动流畅度

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This commit is contained in:
juntao
2021-01-31 18:19:22 +08:00
parent 2f49e05891
commit 72d069ad7e
1 changed files with 14 additions and 9 deletions
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23
app/src/main/java/com/gh/common/view/AutoScrollRecyclerViewContainerView.kt
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@ -1,7 +1,6 @@
package com.gh.common.view
import android.content.Context
import android.os.Build
import android.util.AttributeSet
import android.view.MotionEvent
import android.widget.LinearLayout
@ -11,8 +10,8 @@ import androidx.lifecycle.Lifecycle
import androidx.lifecycle.LifecycleObserver
import androidx.lifecycle.OnLifecycleEvent
import androidx.recyclerview.widget.RecyclerView
import com.gh.common.AppExecutor
import java.lang.ref.WeakReference
import java.util.*
class AutoScrollRecyclerViewContainerView(context: Context, @Nullable attrs: AttributeSet?)
: LinearLayout(context, attrs), LifecycleObserver {
@ -21,6 +20,7 @@ class AutoScrollRecyclerViewContainerView(context: Context, @Nullable attrs: Att
private var mIsScrolling = false
private var mIsScrollable = false
private var mLastScrollTime = 0L
private var mOnItemTouchListener: RecyclerView.OnItemTouchListener? = null
@ -59,16 +59,22 @@ class AutoScrollRecyclerViewContainerView(context: Context, @Nullable attrs: Att
fun resumeScrolling() {
if (mIsScrolling) return
if (mIsScrolling) pauseScrolling()
mIsScrollable = true
mIsScrolling = true
postDelayed(autoScrollTask, AUTO_SCROLL_INTERVAL)
AppExecutor.lightWeightIoExecutor.execute {
while (mIsScrolling && autoScrollTask != null) {
if (System.currentTimeMillis() - mLastScrollTime >= AUTO_SCROLL_INTERVAL) {
mLastScrollTime = System.currentTimeMillis()
AppExecutor.uiExecutor.execute(autoScrollTask!!)
}
}
}
}
@OnLifecycleEvent(Lifecycle.Event.ON_PAUSE)
fun pauseScrolling() {
mIsScrolling = false
removeCallbacks(autoScrollTask)
}
fun setLifeCycleOwner(lifeCycleOwner: Lifecycle) {
@ -76,12 +82,12 @@ class AutoScrollRecyclerViewContainerView(context: Context, @Nullable attrs: Att
}
companion object {
private const val AUTO_SCROLL_INTERVAL: Long = 10
private const val AUTO_SCROLL_INTERVAL: Long = 16
private const val SCROLL_SLOP = 1
}
class AutoScrollTask(reference: AutoScrollRecyclerViewContainerView?) : Runnable {
private val mReference: WeakReference<AutoScrollRecyclerViewContainerView?>?
private val mScrollSlop = if (Build.MODEL.toLowerCase(Locale.getDefault()) == "mumu") 1 else 2
init {
mReference = WeakReference(reference)
@ -92,10 +98,9 @@ class AutoScrollRecyclerViewContainerView(context: Context, @Nullable attrs: Att
if (containerView != null && containerView.mIsScrolling && containerView.mIsScrollable) {
for (child in containerView.children) {
if (child is RecyclerView) {
child.scrollBy(mScrollSlop, mScrollSlop)
child.scrollBy(SCROLL_SLOP, SCROLL_SLOP)
}
}
containerView.postDelayed(containerView.autoScrollTask, AUTO_SCROLL_INTERVAL)
}
}
}