Change fast scroll support

app/build.gradle.kts

@@ -71,6 +71,8 @@ dependencies {
     ksp("androidx.room:room-compiler:2.6.1")
     // Gson
     implementation("com.google.code.gson:gson:2.10.1")
+    // Fast Scroll
+    implementation("me.zhanghai.android.fastscroll:library:1.3.0")
     // Test
     testImplementation("junit:junit:4.13.2")
     androidTestImplementation("androidx.test.ext:junit:1.1.5")

app/src/main/kotlin/cn/super12138/todo/views/todo/ToDoFragment.kt

@@ -21,6 +21,7 @@ import cn.super12138.todo.logic.model.ToDo
 import cn.super12138.todo.views.progress.ProgressFragmentViewModel
 import com.google.android.material.dialog.MaterialAlertDialogBuilder
 import kotlinx.coroutines.launch
+import me.zhanghai.android.fastscroll.FastScrollerBuilder
 import showToast
 import java.util.UUID
 
@@ -63,6 +64,11 @@ class ToDoFragment : Fragment() {
         val adapter = ToDoAdapter(todoList, requireActivity())
         binding.todoList.adapter = adapter
 
+        FastScrollerBuilder(binding.todoList).apply {
+            useMd2Style()
+            build()
+        }
+
         if (todoList.isEmpty()) {
             todoViewModel.emptyTipVis.value = View.VISIBLE
         }

app/src/main/res/drawable/line.xml

@@ -1,18 +0,0 @@
-<?xml version="1.0" encoding="utf-8"?>
-<shape xmlns:android="http://schemas.android.com/apk/res/android"
-    android:shape="rectangle">
-
-    <corners
-        android:bottomLeftRadius="44dp"
-        android:bottomRightRadius="44dp"
-        android:topLeftRadius="44dp"
-        android:topRightRadius="44dp" />
-
-    <solid android:color="?attr/colorSurfaceContainerHighest" />
-
-    <padding
-        android:bottom="10dp"
-        android:left="10dp"
-        android:right="10dp"
-        android:top="10dp" />
-</shape>

app/src/main/res/drawable/line_drawable.xml

@@ -1,6 +0,0 @@
-<?xml version="1.0" encoding="utf-8"?>
-<selector xmlns:android="http://schemas.android.com/apk/res/android">
-    <item android:drawable="@drawable/line" android:state_pressed="true" />
-
-    <item android:drawable="@drawable/line" />
-</selector>

app/src/main/res/drawable/thumb.xml

@@ -1,16 +0,0 @@
-<?xml version="1.0" encoding="utf-8"?>
-<shape xmlns:android="http://schemas.android.com/apk/res/android"
-    android:shape="rectangle">
-
-    <corners
-        android:bottomLeftRadius="44dp"
-        android:bottomRightRadius="44dp"
-        android:topLeftRadius="44dp"
-        android:topRightRadius="44dp" />
-
-    <padding
-        android:paddingLeft="22dp"
-        android:paddingRight="22dp" />
-
-    <solid android:color="?attr/colorSecondary" />
-</shape>

app/src/main/res/drawable/thumb_drawable.xml

@@ -1,6 +0,0 @@
-<?xml version="1.0" encoding="utf-8"?>
-<selector xmlns:android="http://schemas.android.com/apk/res/android">
-    <item android:drawable="@drawable/thumb" android:state_pressed="true" />
-
-    <item android:drawable="@drawable/thumb" />
-</selector>

app/src/main/res/layout/fragment_todo.xml

@@ -9,12 +9,7 @@
         android:id="@+id/todo_list"
         android:layout_width="match_parent"
         android:layout_height="match_parent"
-        android:visibility="gone"
+        android:visibility="gone">
-        app:fastScrollEnabled="true"
-        app:fastScrollHorizontalThumbDrawable="@drawable/thumb_drawable"
-        app:fastScrollHorizontalTrackDrawable="@drawable/line_drawable"
-        app:fastScrollVerticalThumbDrawable="@drawable/thumb_drawable"
-        app:fastScrollVerticalTrackDrawable="@drawable/line_drawable">
 
     </androidx.recyclerview.widget.RecyclerView>