multiusable fastscroller for Android
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1.Paste fastcroller.kt to your app/src/main/java/...
2.Check whether the colors are well set or not.
3.Add these code to the area where you want to use fastcroller in \layout\....xml.
(If you are not aware of where to put these codes,you can check Example files here or try some times.
<RelativeLayout
android:layout_width="match_parent"
android:layout_height="0dp"
android:layout_weight="1">
<androidx.recyclerview.widget.RecyclerView
android:id="@+id/recyclerView"
android:layout_width="match_parent"
android:layout_height="match_parent"/>
<com.example.swmu_electricity_ranking.FastScroller
android:id="@+id/fastScroller"
android:layout_width="40dp"
android:layout_height="match_parent"
android:layout_alignParentRight="true"/>
</RelativeLayout>
4.Add this line to your onCreate() or setupRecyclerView()
binding.fastScroller.attachToRecyclerView(binding.recyclerView)