Changed seekbar style

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

@@ -0,0 +1,12 @@
+<?xml version="1.0" encoding="utf-8"?>
+<layer-list xmlns:android="http://schemas.android.com/apk/res/android" >
+    <item android:id="@android:id/background">
+        <nine-patch android:src="@drawable/seekbar_bg" android:dither="true"/>
+    </item>
+    <item android:id="@android:id/progress">
+        <clip android:clipOrientation="horizontal"
+              android:gravity="left">
+            <nine-patch android:src="@drawable/seekbar_fill" android:dither="true"/>
+        </clip>
+    </item>
+</layer-list>

app/src/main/res/drawable/seekbar_thumb.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="20dp"
+                    android:height="20dp"/>
+        </shape>
+    </item>
+</layer-list>

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

@@ -46,7 +46,8 @@
              android:layout_below="@android:id/summary"
              android:layout_alignStart="@android:id/summary"
              android:layout_alignLeft="@android:id/summary"
-             android:thumb="@android:drawable/radiobutton_off_background"
+             android:progressDrawable="@drawable/seekbar_progress"
+             android:thumb="@drawable/seekbar_thumb"
              android:padding="16dip"
              android:theme="@style/Widget.AppCompat.SeekBar.Discrete"/>