Make audio controls dialog scrollable, adjust margins
diff --git a/app/src/main/java/de/danoeh/antennapod/activity/MediaplayerActivity.java b/app/src/main/java/de/danoeh/antennapod/activity/MediaplayerActivity.java
index bdc2106..d22fad3 100644
--- a/app/src/main/java/de/danoeh/antennapod/activity/MediaplayerActivity.java
+++ b/app/src/main/java/de/danoeh/antennapod/activity/MediaplayerActivity.java
@@ -412,7 +412,7 @@
                     case R.id.audio_controls:
                         MaterialDialog dialog = new MaterialDialog.Builder(this)
                                 .title(R.string.audio_controls)
-                                .customView(R.layout.audio_controls, false)
+                                .customView(R.layout.audio_controls, true)
                                 .neutralText(R.string.close_label)
                                 .onNeutral((dialog1, which) -> {
                                     final SeekBar left = (SeekBar) dialog1.findViewById(R.id.volume_left);
diff --git a/app/src/main/res/layout/audio_controls.xml b/app/src/main/res/layout/audio_controls.xml
index 7532722..852b6e9 100644
--- a/app/src/main/res/layout/audio_controls.xml
+++ b/app/src/main/res/layout/audio_controls.xml
@@ -7,9 +7,7 @@
 
     <LinearLayout
         android:layout_width="wrap_content"
-        android:layout_height="wrap_content"
-        android:layout_marginTop="12dp"
-        android:layout_marginLeft="24dp">
+        android:layout_height="wrap_content">
 
         <TextView
             android:layout_width="wrap_content"
@@ -30,9 +28,7 @@
     <RelativeLayout
         android:layout_width="match_parent"
         android:layout_height="wrap_content"
-        android:layout_marginTop="-12dp"
-        android:layout_marginLeft="24dp"
-        android:layout_marginRight="24dp">
+        android:layout_marginTop="-12dp">
 
         <Button
             android:id="@+id/butDecSpeed"
@@ -74,7 +70,6 @@
         android:layout_width="wrap_content"
         android:layout_height="wrap_content"
         android:layout_marginTop="4dp"
-        android:layout_marginLeft="24dp"
         style="@style/AntennaPod.TextView.ListItemPrimaryTitle"
         android:text="@string/volume"
         android:textStyle="bold"/>
@@ -83,8 +78,7 @@
         android:layout_width="match_parent"
         android:layout_height="wrap_content"
         android:layout_marginTop="-12dp"
-        android:layout_marginLeft="24dp"
-        android:layout_marginRight="24dp"
+        android:layout_marginLeft="8dp"
         android:orientation="horizontal"
         android:gravity="center">
 
@@ -106,8 +100,7 @@
         android:layout_width="match_parent"
         android:layout_height="wrap_content"
         android:layout_marginTop="8dp"
-        android:layout_marginLeft="24dp"
-        android:layout_marginRight="24dp"
+        android:layout_marginLeft="8dp"
         android:orientation="horizontal"
         android:gravity="center">
 
@@ -129,7 +122,6 @@
         android:layout_width="wrap_content"
         android:layout_height="wrap_content"
         android:layout_marginTop="12dp"
-        android:layout_marginLeft="24dp"
         style="@style/AntennaPod.TextView.ListItemPrimaryTitle"
         android:text="@string/audio_effects"
         android:textStyle="bold"/>
@@ -139,8 +131,6 @@
         android:layout_width="wrap_content"
         android:layout_height="wrap_content"
         android:layout_marginTop="-12dp"
-        android:layout_marginLeft="24dp"
-        android:layout_marginRight="24dp"
         android:text="@string/stereo_to_mono" />
 
 </LinearLayout>