Android SeekBar size

the point thing is to use padding and maxHeight and min height.

<com.h6ah4i.android.widget.verticalseekbar.VerticalSeekBarWrapper
    android:layout_width="@dimen/volume_bar_layout_width"
    android:layout_height="@dimen/volume_bar_layout_height"
    android:background="@drawable/bulge_bg_corner_bottom"
    android:paddingBottom="20dp"
    android:paddingTop="14dp">

    <com.h6ah4i.android.widget.verticalseekbar.VerticalSeekBar
        android:layout_width="wrap_content"
        android:layout_height="match_parent"
        android:max="100"
        android:maxHeight="@dimen/volume_bar_width"
        android:minHeight="@dimen/volume_bar_width"
        android:padding="10px"
        android:progress="50"
        android:progressDrawable="@drawable/volume_seekbar"
        android:splitTrack="false"
        app:seekBarRotation="CW270" />
</com.h6ah4i.android.widget.verticalseekbar.VerticalSeekBarWrapper>