<?xml version="1.0" encoding="utf-8"?>
<LinearLayout xmlns:android="http://schemas.android.com/apk/res/android"
    android:id="@+id/mixersLayout"
    android:layout_width="match_parent"
    android:layout_height="wrap_content"
    android:contentDescription="@string/sound_mixer"
    android:orientation="vertical"
    android:paddingBottom="10dp"
    android:paddingLeft="50dp"
    android:paddingRight="50dp"
    android:paddingTop="10dp"
    android:scrollbarAlwaysDrawVerticalTrack="true" >

</LinearLayout>
<?xml version="1.0" encoding="utf-8"?>
<ScrollView xmlns:android="http://schemas.android.com/apk/res/android"
    android:layout_width="fill_parent"
    android:layout_height="wrap_content"
    android:layout_weight="1" >

    <LinearLayout
        android:id="@+id/mixersLayout"
        android:layout_width="fill_parent"
        android:layout_height="wrap_content"
        android:contentDescription="@string/sound_mixer"
        android:orientation="vertical"
        android:paddingBottom="10dp"
        android:paddingLeft="50dp"
        android:paddingRight="50dp"
        android:paddingTop="10dp"
        android:scrollbarAlwaysDrawVerticalTrack="true" >
    </LinearLayout>

</ScrollView>
Add scrollbar in mixer view
Add scrollbar in mixer view
