Updated tickmark

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

@@ -0,0 +1,11 @@
+<?xml version="1.0" encoding="utf-8"?>
+<layer-list xmlns:android="http://schemas.android.com/apk/res/android">
+    <item>
+        <shape android:shape="oval">
+            <solid android:color="@color/fdroid_green"/>
+            <size
+                    android:width="10dp"
+                    android:height="10dp"/>
+        </shape>
+    </item>
+</layer-list>

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

@@ -49,6 +49,6 @@
              android:progressDrawable="@drawable/seekbar_progress"
              android:thumb="@drawable/seekbar_thumb"
              android:padding="16dip"
-             android:theme="@style/Widget.AppCompat.SeekBar.Discrete"/>
+             android:theme="@style/DiscreteSeekBar"/>
 
 </RelativeLayout>

app/src/main/res/values/styles.xml

@@ -317,4 +317,8 @@
     <style name="AppThemeLight.AppBarOverlay" parent="ThemeOverlay.AppCompat.Dark.ActionBar"/>
 
     <style name="AppThemeLight.PopupOverlay" parent="ThemeOverlay.AppCompat.Light"/>
+
+    <style name="DiscreteSeekBar" parent="Base.Widget.AppCompat.SeekBar.Discrete">
+        <item name="tickMark">@drawable/seekbar_tickmark</item>
+    </style>
 </resources>