android: Use material slider in settings dialog

src/android/app/src/main/res/layout/dialog_seekbar.xml → src/android/app/src/main/res/layout/dialog_slider.xml

@@ -1,37 +1,37 @@
 <?xml version="1.0" encoding="utf-8"?>
 <RelativeLayout xmlns:android="http://schemas.android.com/apk/res/android"
     xmlns:tools="http://schemas.android.com/tools"
-    android:orientation="vertical"
     android:layout_width="match_parent"
-    android:layout_height="wrap_content">
-
-    <SeekBar
-        android:id="@+id/seekbar"
-        android:layout_width="match_parent"
-        android:layout_height="wrap_content"
-        android:layout_marginLeft="@dimen/spacing_large"
-        android:layout_marginRight="@dimen/spacing_large"
-        android:layout_alignParentEnd="true"
-        android:layout_alignParentStart="true"
-        android:layout_below="@+id/text_value"
-        android:layout_marginBottom="@dimen/spacing_medlarge" />
+    android:layout_height="wrap_content"
+    android:orientation="vertical">
 
     <TextView
+        android:id="@+id/text_value"
         android:layout_width="wrap_content"
         android:layout_height="wrap_content"
-        tools:text="75"
-        android:id="@+id/text_value"
         android:layout_alignParentTop="true"
         android:layout_centerHorizontal="true"
+        android:layout_marginBottom="@dimen/spacing_medlarge"
         android:layout_marginTop="@dimen/spacing_medlarge"
-        android:layout_marginBottom="@dimen/spacing_medlarge" />
+        tools:text="75" />
 
     <TextView
+        android:id="@+id/text_units"
         android:layout_width="wrap_content"
         android:layout_height="wrap_content"
-        tools:text="%"
-        android:id="@+id/text_units"
         android:layout_alignTop="@+id/text_value"
-        android:layout_toEndOf="@+id/text_value" />
+        android:layout_toEndOf="@+id/text_value"
+        tools:text="%" />
+
+    <com.google.android.material.slider.Slider
+        android:id="@+id/slider"
+        android:layout_width="match_parent"
+        android:layout_height="wrap_content"
+        android:layout_alignParentEnd="true"
+        android:layout_alignParentStart="true"
+        android:layout_below="@+id/text_value"
+        android:layout_marginBottom="@dimen/spacing_medlarge"
+        android:layout_marginLeft="@dimen/spacing_large"
+        android:layout_marginRight="@dimen/spacing_large" />
 
-</RelativeLayout>
+</RelativeLayout>