Replace Default FastScroller (Closes #79)

build.gradle

@@ -163,6 +163,8 @@ dependencies {
     implementation 'io.reactivex.rxjava3:rxjava:3.1.3'
     implementation 'io.reactivex.rxjava3:rxandroid:3.0.0'
 
+    implementation 'me.zhanghai.android.fastscroll:library:1.1.7'
+
     // LibSu
     implementation 'com.github.topjohnwu.libsu:core:3.1.2'
 

src/main/kotlin/com/looker/droidify/screen/RepositoriesFragment.kt

@@ -13,7 +13,8 @@ import com.looker.droidify.database.CursorOwner
 import com.looker.droidify.service.Connection
 import com.looker.droidify.service.SyncService
 import com.looker.droidify.utility.Utils
-import com.looker.droidify.widget.RecyclerFastScroller
+import com.looker.droidify.utility.extension.resources.getDrawableCompat
+import me.zhanghai.android.fastscroll.FastScrollerBuilder
 
 class RepositoriesFragment : ScreenFragment(), CursorOwner.Callback {
     private var recyclerView: RecyclerView? = null
@@ -38,7 +39,10 @@ class RepositoriesFragment : ScreenFragment(), CursorOwner.Callback {
                                 syncConnection.binder?.setEnabled(repository, isEnabled) == true
                     })
                 recyclerView = this
-                RecyclerFastScroller(this)
+                FastScrollerBuilder(this)
+                    .useMd2Style()
+                    .setThumbDrawable(this.context.getDrawableCompat(R.drawable.scrollbar_thumb))
+                    .build()
             })
         }
         this.toolbar = fragmentBinding.toolbar

src/main/kotlin/com/looker/droidify/screen/ScreenActivity.kt

@@ -32,7 +32,8 @@ abstract class ScreenActivity : AppCompatActivity() {
 
     sealed class SpecialIntent {
         object Updates : SpecialIntent()
-        class Install(val packageName: String?, val status: Int?, val promptIntent: Intent?) : SpecialIntent()
+        class Install(val packageName: String?, val status: Int?, val promptIntent: Intent?) :
+            SpecialIntent()
     }
 
     private class FragmentStackItem(
@@ -236,8 +237,7 @@ abstract class ScreenActivity : AppCompatActivity() {
                                 .putExtra(Intent.EXTRA_INTENT, promptIntent)
                         )
                     }
-                }
-                else {
+                } else {
                     throw IllegalArgumentException("Missing parameters needed to relaunch InstallerService and trigger prompt.")
                 }
                 Unit

src/main/kotlin/com/looker/droidify/ui/fragments/AppListFragment.kt

@@ -18,13 +18,14 @@ import com.looker.droidify.screen.BaseFragment
 import com.looker.droidify.ui.adapters.AppListAdapter
 import com.looker.droidify.ui.viewmodels.AppListViewModel
 import com.looker.droidify.utility.RxUtils
-import com.looker.droidify.widget.RecyclerFastScroller
+import com.looker.droidify.utility.extension.resources.getDrawableCompat
 import io.reactivex.rxjava3.android.schedulers.AndroidSchedulers
 import io.reactivex.rxjava3.core.Observable
 import io.reactivex.rxjava3.disposables.Disposable
 import io.reactivex.rxjava3.schedulers.Schedulers
 import kotlinx.coroutines.flow.first
 import kotlinx.coroutines.launch
+import me.zhanghai.android.fastscroll.FastScrollerBuilder
 
 class AppListFragment() : BaseFragment(), CursorOwner.Callback {
 
@@ -67,7 +68,10 @@ class AppListFragment() : BaseFragment(), CursorOwner.Callback {
             recycledViewPool.setMaxRecycledViews(AppListAdapter.ViewType.PRODUCT.ordinal, 30)
             val adapter = AppListAdapter { screenActivity.navigateProduct(it.packageName) }
             this.adapter = adapter
-            RecyclerFastScroller(this)
+            FastScrollerBuilder(this)
+                .useMd2Style()
+                .setThumbDrawable(this.context.getDrawableCompat(R.drawable.scrollbar_thumb))
+                .build()
             recyclerView = this
         }
     }

src/main/kotlin/com/looker/droidify/ui/fragments/ExploreFragment.kt

@@ -17,11 +17,12 @@ import com.looker.droidify.entity.Repository
 import com.looker.droidify.ui.adapters.AppListAdapter
 import com.looker.droidify.ui.viewmodels.MainNavFragmentViewModelX
 import com.looker.droidify.utility.RxUtils
-import com.looker.droidify.widget.RecyclerFastScroller
+import com.looker.droidify.utility.extension.resources.getDrawableCompat
 import io.reactivex.rxjava3.android.schedulers.AndroidSchedulers
 import io.reactivex.rxjava3.schedulers.Schedulers
 import kotlinx.coroutines.flow.first
 import kotlinx.coroutines.launch
+import me.zhanghai.android.fastscroll.FastScrollerBuilder
 
 class ExploreFragment : MainNavFragmentX(), CursorOwner.Callback {
 
@@ -51,7 +52,10 @@ class ExploreFragment : MainNavFragmentX(), CursorOwner.Callback {
             setHasFixedSize(true)
             recycledViewPool.setMaxRecycledViews(AppListAdapter.ViewType.PRODUCT.ordinal, 30)
             adapter = AppListAdapter { mainActivityX.navigateProduct(it.packageName) }
-            RecyclerFastScroller(this)
+            FastScrollerBuilder(this)
+                .useMd2Style()
+                .setThumbDrawable(this.context.getDrawableCompat(R.drawable.scrollbar_thumb))
+                .build()
         }
         return binding.root
     }

src/main/kotlin/com/looker/droidify/ui/fragments/InstalledFragment.kt

@@ -8,6 +8,7 @@ import android.view.ViewGroup
 import androidx.lifecycle.ViewModelProvider
 import androidx.recyclerview.widget.LinearLayoutManager
 import androidx.recyclerview.widget.RecyclerView
+import com.looker.droidify.R
 import com.looker.droidify.database.CursorOwner
 import com.looker.droidify.databinding.FragmentInstalledXBinding
 import com.looker.droidify.entity.ProductItem
@@ -16,11 +17,12 @@ import com.looker.droidify.ui.items.HAppItem
 import com.looker.droidify.ui.items.VAppItem
 import com.looker.droidify.ui.viewmodels.MainNavFragmentViewModelX
 import com.looker.droidify.utility.RxUtils
-import com.looker.droidify.widget.RecyclerFastScroller
+import com.looker.droidify.utility.extension.resources.getDrawableCompat
 import com.mikepenz.fastadapter.FastAdapter
 import com.mikepenz.fastadapter.adapters.ItemAdapter
 import io.reactivex.rxjava3.android.schedulers.AndroidSchedulers
 import io.reactivex.rxjava3.schedulers.Schedulers
+import me.zhanghai.android.fastscroll.FastScrollerBuilder
 
 class InstalledFragment : MainNavFragmentX(), CursorOwner.Callback {
 
@@ -55,7 +57,10 @@ class InstalledFragment : MainNavFragmentX(), CursorOwner.Callback {
             isMotionEventSplittingEnabled = false
             isVerticalScrollBarEnabled = false
             adapter = installedFastAdapter
-            RecyclerFastScroller(this)
+            FastScrollerBuilder(this)
+                .useMd2Style()
+                .setThumbDrawable(this.context.getDrawableCompat(R.drawable.scrollbar_thumb))
+                .build()
         }
         updatedFastAdapter = FastAdapter.with(updatedItemAdapter)
         updatedFastAdapter?.setHasStableIds(true)
@@ -64,7 +69,10 @@ class InstalledFragment : MainNavFragmentX(), CursorOwner.Callback {
             isMotionEventSplittingEnabled = false
             isVerticalScrollBarEnabled = false
             adapter = updatedFastAdapter
-            RecyclerFastScroller(this)
+            FastScrollerBuilder(this)
+                .useMd2Style()
+                .setThumbDrawable(this.context.getDrawableCompat(R.drawable.scrollbar_thumb))
+                .build()
         }
         return binding.root
     }

src/main/kotlin/com/looker/droidify/ui/fragments/LatestFragment.kt

@@ -8,6 +8,7 @@ import android.view.ViewGroup
 import androidx.lifecycle.ViewModelProvider
 import androidx.recyclerview.widget.LinearLayoutManager
 import androidx.recyclerview.widget.RecyclerView
+import com.looker.droidify.R
 import com.looker.droidify.database.CursorOwner
 import com.looker.droidify.databinding.FragmentLatestXBinding
 import com.looker.droidify.entity.ProductItem
@@ -16,11 +17,12 @@ import com.looker.droidify.ui.items.HAppItem
 import com.looker.droidify.ui.items.VAppItem
 import com.looker.droidify.ui.viewmodels.MainNavFragmentViewModelX
 import com.looker.droidify.utility.RxUtils
-import com.looker.droidify.widget.RecyclerFastScroller
+import com.looker.droidify.utility.extension.resources.getDrawableCompat
 import com.mikepenz.fastadapter.FastAdapter
 import com.mikepenz.fastadapter.adapters.ItemAdapter
 import io.reactivex.rxjava3.android.schedulers.AndroidSchedulers
 import io.reactivex.rxjava3.schedulers.Schedulers
+import me.zhanghai.android.fastscroll.FastScrollerBuilder
 
 class LatestFragment : MainNavFragmentX(), CursorOwner.Callback {
 
@@ -55,7 +57,10 @@ class LatestFragment : MainNavFragmentX(), CursorOwner.Callback {
             isMotionEventSplittingEnabled = false
             isVerticalScrollBarEnabled = false
             adapter = updatedFastAdapter
-            RecyclerFastScroller(this)
+            FastScrollerBuilder(this)
+                .useMd2Style()
+                .setThumbDrawable(this.context.getDrawableCompat(R.drawable.scrollbar_thumb))
+                .build()
         }
         newFastAdapter = FastAdapter.with(newItemAdapter)
         newFastAdapter?.setHasStableIds(true)
@@ -64,7 +69,10 @@ class LatestFragment : MainNavFragmentX(), CursorOwner.Callback {
             isMotionEventSplittingEnabled = false
             isVerticalScrollBarEnabled = false
             adapter = newFastAdapter
-            RecyclerFastScroller(this)
+            FastScrollerBuilder(this)
+                .useMd2Style()
+                .setThumbDrawable(this.context.getDrawableCompat(R.drawable.scrollbar_thumb))
+                .build()
         }
         return binding.root
     }

src/main/kotlin/com/looker/droidify/widget/RecyclerFastScroller.kt

@@ -1,287 +0,0 @@
-package com.looker.droidify.widget
-
-import android.annotation.SuppressLint
-import android.graphics.Canvas
-import android.graphics.Rect
-import android.os.SystemClock
-import android.view.MotionEvent
-import android.view.ViewGroup
-import androidx.recyclerview.widget.LinearLayoutManager
-import androidx.recyclerview.widget.RecyclerView
-import com.looker.droidify.utility.extension.resources.getDrawableFromAttr
-import com.looker.droidify.utility.extension.resources.sizeScaled
-import kotlin.math.max
-import kotlin.math.roundToInt
-
-@SuppressLint("ClickableViewAccessibility")
-class RecyclerFastScroller(private val recyclerView: RecyclerView) {
-    companion object {
-        private const val TRANSITION_IN = 100L
-        private const val TRANSITION_OUT = 200L
-        private const val TRANSITION_OUT_DELAY = 1000L
-
-        private val stateNormal = intArrayOf()
-        private val statePressed = intArrayOf(android.R.attr.state_pressed)
-    }
-
-    private val thumbDrawable =
-        recyclerView.context.getDrawableFromAttr(android.R.attr.fastScrollThumbDrawable)
-    private val trackDrawable =
-        recyclerView.context.getDrawableFromAttr(android.R.attr.fastScrollTrackDrawable)
-    private val minTrackSize = recyclerView.resources.sizeScaled(16)
-
-    private data class FastScrolling(
-        val startAtThumbOffset: Float?,
-        val startY: Float,
-        val currentY: Float,
-    )
-
-    private var scrolling = false
-    private var fastScrolling: FastScrolling? = null
-    private var display = Pair(0L, false)
-
-    private val invalidateTransition = Runnable(recyclerView::invalidate)
-
-    private fun updateState(scrolling: Boolean, fastScrolling: FastScrolling?) {
-        val oldDisplay = this.scrolling || this.fastScrolling != null
-        val newDisplay = scrolling || fastScrolling != null
-        this.scrolling = scrolling
-        this.fastScrolling = fastScrolling
-        if (oldDisplay != newDisplay) {
-            recyclerView.removeCallbacks(invalidateTransition)
-            val time = SystemClock.elapsedRealtime()
-            val passed = time - display.first
-            val start = if (newDisplay && passed < (TRANSITION_OUT + TRANSITION_OUT_DELAY)) {
-                if (passed <= TRANSITION_OUT_DELAY) {
-                    0L
-                } else {
-                    time - ((TRANSITION_OUT_DELAY + TRANSITION_OUT - passed).toFloat() /
-                            TRANSITION_OUT * TRANSITION_IN).toLong()
-                }
-            } else if (!newDisplay && passed < TRANSITION_IN) {
-                time - ((TRANSITION_IN - passed).toFloat() / TRANSITION_IN *
-                        TRANSITION_OUT).toLong() - TRANSITION_OUT_DELAY
-            } else {
-                if (!newDisplay) {
-                    recyclerView.postDelayed(invalidateTransition, TRANSITION_OUT_DELAY)
-                }
-                time
-            }
-            display = Pair(start, newDisplay)
-            recyclerView.invalidate()
-        }
-    }
-
-    private val scrollListener = object : RecyclerView.OnScrollListener() {
-        override fun onScrollStateChanged(recyclerView: RecyclerView, newState: Int) {
-            updateState(newState != RecyclerView.SCROLL_STATE_IDLE, fastScrolling)
-        }
-
-        override fun onScrolled(recyclerView: RecyclerView, dx: Int, dy: Int) {
-            if (fastScrolling == null) {
-                recyclerView.invalidate()
-            }
-        }
-    }
-
-    private inline fun withScroll(callback: (itemHeight: Int, thumbHeight: Int, range: Int) -> Unit): Boolean {
-        val count = recyclerView.adapter?.itemCount ?: 0
-        return count > 0 && run {
-            val itemHeight = Rect().apply {
-                recyclerView
-                    .getDecoratedBoundsWithMargins(recyclerView.getChildAt(0), this)
-            }.height()
-            val scrollCount = count - recyclerView.height / itemHeight
-            scrollCount > 0 && run {
-                val range = count * itemHeight
-                val thumbHeight = max(
-                    recyclerView.height * recyclerView.height / range,
-                    thumbDrawable.intrinsicHeight
-                )
-                range >= recyclerView.height * 2 && run {
-                    callback(itemHeight, thumbHeight, range)
-                    true
-                }
-            }
-        }
-    }
-
-    private fun calculateOffset(thumbHeight: Int, fastScrolling: FastScrolling): Float {
-        return if (fastScrolling.startAtThumbOffset != null) {
-            (fastScrolling.startAtThumbOffset + (fastScrolling.currentY - fastScrolling.startY) /
-                    (recyclerView.height - thumbHeight)).coerceIn(0f, 1f)
-        } else {
-            ((fastScrolling.currentY - thumbHeight / 2f) / (recyclerView.height - thumbHeight)).coerceIn(
-                0f,
-                1f
-            )
-        }
-    }
-
-    private fun currentOffset(itemHeight: Int, range: Int): Float {
-        val view = recyclerView.getChildAt(0)
-        val position = recyclerView.getChildAdapterPosition(view)
-        val positionOffset = -view.top
-        val scrollPosition = position * itemHeight + positionOffset
-        return scrollPosition.toFloat() / (range - recyclerView.height)
-    }
-
-    private fun scroll(
-        itemHeight: Int,
-        thumbHeight: Int,
-        range: Int,
-        fastScrolling: FastScrolling,
-    ) {
-        val offset = calculateOffset(thumbHeight, fastScrolling)
-        val scrollPosition = ((range - recyclerView.height) * offset).roundToInt()
-        val position = scrollPosition / itemHeight
-        val positionOffset = scrollPosition - position * itemHeight
-        val layoutManager = recyclerView.layoutManager as LinearLayoutManager
-        layoutManager.scrollToPositionWithOffset(position, -positionOffset)
-    }
-
-    private val touchListener = object : RecyclerView.OnItemTouchListener {
-        private var disallowIntercept = false
-
-        private fun handleTouchEvent(event: MotionEvent, intercept: Boolean): Boolean {
-            val recyclerView = recyclerView
-            val lastFastScrolling = fastScrolling
-            return when {
-                intercept && disallowIntercept -> {
-                    false
-                }
-                event.action == MotionEvent.ACTION_DOWN -> {
-                    val rtl = recyclerView.layoutDirection == RecyclerView.LAYOUT_DIRECTION_RTL
-                    val trackWidth = max(
-                        minTrackSize,
-                        max(thumbDrawable.intrinsicWidth, trackDrawable.intrinsicWidth)
-                    )
-                    val atThumbVertical =
-                        if (rtl) event.x <= trackWidth else event.x >= recyclerView.width - trackWidth
-                    atThumbVertical && run {
-                        withScroll { itemHeight, thumbHeight, range ->
-                            (recyclerView.parent as? ViewGroup)?.requestDisallowInterceptTouchEvent(
-                                true
-                            )
-                            val offset = currentOffset(itemHeight, range)
-                            val thumbY = ((recyclerView.height - thumbHeight) * offset).roundToInt()
-                            val atThumb = event.y >= thumbY && event.y <= thumbY + thumbHeight
-                            val fastScrolling =
-                                FastScrolling(if (atThumb) offset else null, event.y, event.y)
-                            scroll(itemHeight, thumbHeight, range, fastScrolling)
-                            updateState(scrolling, fastScrolling)
-                            recyclerView.invalidate()
-                        }
-                    }
-                }
-                else -> lastFastScrolling != null && run {
-                    val success = withScroll { itemHeight, thumbHeight, range ->
-                        val fastScrolling = lastFastScrolling.copy(currentY = event.y)
-                        scroll(itemHeight, thumbHeight, range, fastScrolling)
-                        updateState(scrolling, fastScrolling)
-                        recyclerView.invalidate()
-                    }
-                    val cancel =
-                        event.action == MotionEvent.ACTION_UP || event.action == MotionEvent.ACTION_CANCEL
-                    if (!success || cancel) {
-                        (recyclerView.parent as? ViewGroup)?.requestDisallowInterceptTouchEvent(
-                            false
-                        )
-                        updateState(scrolling, null)
-                        recyclerView.invalidate()
-                    }
-                    true
-                }
-            }
-        }
-
-        override fun onInterceptTouchEvent(rv: RecyclerView, e: MotionEvent): Boolean {
-            return handleTouchEvent(e, true)
-        }
-
-        override fun onTouchEvent(rv: RecyclerView, e: MotionEvent) {
-            handleTouchEvent(e, false)
-        }
-
-        override fun onRequestDisallowInterceptTouchEvent(disallowIntercept: Boolean) {
-            this.disallowIntercept = disallowIntercept
-            if (disallowIntercept && fastScrolling != null) {
-                updateState(scrolling, null)
-                recyclerView.invalidate()
-            }
-        }
-    }
-
-    private fun handleDraw(canvas: Canvas) {
-        withScroll { itemHeight, thumbHeight, range ->
-            val display = display
-            val time = SystemClock.elapsedRealtime()
-            val passed = time - display.first
-            val shouldInvalidate = display.second && passed < TRANSITION_IN ||
-                    !display.second && passed >= TRANSITION_OUT_DELAY && passed < TRANSITION_OUT_DELAY + TRANSITION_OUT
-            val stateValue = (if (display.second) {
-                passed.toFloat() / TRANSITION_IN
-            } else {
-                1f - (passed - TRANSITION_OUT_DELAY).toFloat() / TRANSITION_OUT
-            }).coerceIn(0f, 1f)
-
-            if (stateValue > 0f) {
-                val rtl = recyclerView.layoutDirection == RecyclerView.LAYOUT_DIRECTION_RTL
-                val thumbDrawable = thumbDrawable
-                val trackDrawable = trackDrawable
-                val maxWidth = max(thumbDrawable.intrinsicWidth, trackDrawable.intrinsicHeight)
-                val translateX = (maxWidth * (1f - stateValue)).roundToInt()
-                val fastScrolling = fastScrolling
-
-                val scrollValue = (if (fastScrolling != null) {
-                    calculateOffset(thumbHeight, fastScrolling)
-                } else {
-                    currentOffset(itemHeight, range)
-                }).coerceIn(0f, 1f)
-                val thumbY = ((recyclerView.height - thumbHeight) * scrollValue).roundToInt()
-
-                trackDrawable.state = if (fastScrolling != null) statePressed else stateNormal
-                val trackExtra = (maxWidth - trackDrawable.intrinsicWidth) / 2
-                if (rtl) {
-                    trackDrawable.setBounds(
-                        trackExtra - translateX, 0,
-                        trackExtra + trackDrawable.intrinsicWidth - translateX, recyclerView.height
-                    )
-                } else {
-                    trackDrawable.setBounds(
-                        recyclerView.width - trackExtra - trackDrawable.intrinsicWidth + translateX,
-                        0, recyclerView.width - trackExtra + translateX, recyclerView.height
-                    )
-                }
-                trackDrawable.draw(canvas)
-                val thumbExtra = (maxWidth - thumbDrawable.intrinsicWidth) / 2
-                thumbDrawable.state = if (fastScrolling != null) statePressed else stateNormal
-                if (rtl) {
-                    thumbDrawable.setBounds(
-                        thumbExtra - translateX, thumbY,
-                        thumbExtra + thumbDrawable.intrinsicWidth - translateX, thumbY + thumbHeight
-                    )
-                } else {
-                    thumbDrawable.setBounds(
-                        recyclerView.width - thumbExtra - thumbDrawable.intrinsicWidth + translateX,
-                        thumbY, recyclerView.width - thumbExtra + translateX, thumbY + thumbHeight
-                    )
-                }
-                thumbDrawable.draw(canvas)
-            }
-
-            if (shouldInvalidate) {
-                recyclerView.invalidate()
-            }
-        }
-    }
-
-    init {
-        recyclerView.addOnScrollListener(scrollListener)
-        recyclerView.addOnItemTouchListener(touchListener)
-        recyclerView.addItemDecoration(object : RecyclerView.ItemDecoration() {
-            override fun onDrawOver(c: Canvas, parent: RecyclerView, state: RecyclerView.State) =
-                handleDraw(c)
-        })
-    }
-}

src/main/res/drawable/scrollbar_thumb.xml

@@ -1,14 +1,12 @@
 <?xml version="1.0" encoding="utf-8"?>
 <shape xmlns:android="http://schemas.android.com/apk/res/android">
 
-    <solid
-        android:angle="0"
-        android:color="?attr/colorPrimary" />
+    <solid android:color="?attr/colorPrimary" />
 
-    <size
-        android:width="6dp"
-        android:height="50dp" />
+    <corners android:radius="8dp" />
 
-    <corners android:radius="3dp" />
+    <padding android:top="4dp" android:bottom="4dp" />
+
+    <size android:width="8dp" android:height="52dp" />
 
 </shape>

src/main/res/drawable/scrollbar_track.xml

@@ -1,12 +0,0 @@
-<?xml version="1.0" encoding="utf-8"?>
-<shape xmlns:android="http://schemas.android.com/apk/res/android">
-
-    <solid
-        android:angle="0"
-        android:color="?attr/colorSurface" />
-
-    <size android:width="6dp" />
-
-    <corners android:radius="3dp" />
-
-</shape>

src/main/res/values/styles.xml

@@ -32,9 +32,6 @@
         <item name="android:navigationBarColor">@android:color/transparent</item>
         <item name="android:windowLightStatusBar" tools:targetApi="m">true</item>
 
-        <item name="android:fastScrollThumbDrawable">@drawable/scrollbar_thumb</item>
-        <item name="android:fastScrollTrackDrawable">@drawable/scrollbar_track</item>
-
         <item name="tabStyle">@style/Theme.Tab</item>
         <item name="switchStyle">@style/Theme.Switch</item>
         <item name="toolbarStyle">@style/Theme.Toolbar</item>
@@ -72,9 +69,6 @@
         <item name="android:statusBarColor">@color/grey_dark</item>
         <item name="android:navigationBarColor">@android:color/transparent</item>
 
-        <item name="android:fastScrollThumbDrawable">@drawable/scrollbar_thumb</item>
-        <item name="android:fastScrollTrackDrawable">@drawable/scrollbar_track</item>
-
         <item name="tabStyle">@style/Theme.Tab</item>
         <item name="switchStyle">@style/Theme.Switch</item>
         <item name="toolbarStyle">@style/Theme.Toolbar</item>
@@ -112,9 +106,6 @@
         <item name="android:statusBarColor">@color/md_theme_dark_surface</item>
         <item name="android:navigationBarColor">@android:color/transparent</item>
 
-        <item name="android:fastScrollThumbDrawable">@drawable/scrollbar_thumb</item>
-        <item name="android:fastScrollTrackDrawable">@drawable/scrollbar_track</item>
-
         <item name="tabStyle">@style/Theme.Tab</item>
         <item name="switchStyle">@style/Theme.Switch</item>
         <item name="toolbarStyle">@style/Theme.Toolbar</item>