<?xml version="1.0" encoding="utf-8"?>

<resources>

   <style name="Widget.SeekBar.Normal" parent="@android:style/Widget.SeekBar">

        <item name="android:maxHeight">8.0dip</item>

        <item name="android:indeterminateOnly">false</item>

        <item name="android:indeterminateDrawable">@android:drawable/progress_indeterminate_horizontal</item>

        <item name="android:progressDrawable">@drawable/seekbar_horizontal</item>  //下面的文件

        <item name="android:minHeight">8.0dip</item>

        <item name="android:thumb">@drawable/seek_thumb</item>

        <item name="android:thumbOffset">10.0dip</item>

    </style>  

</resources>  

<?xml version="1.0" encoding="UTF-8"?>

<layer-list

  xmlns:android="http://schemas.android.com/apk/res/android">

    <item android:id="@android:id/background" android:drawable="@drawable/seek_bkg" />

    <item android:id="@android:id/secondaryProgress">

        <clip>

            <shape>

                <corners android:radius="2.0dip" />

                <gradient android:startColor="#80ffd300" android:endColor="#a0ffcb00" android:angle="270.0" android:centerY="0.75" android:centerColor="#80ffb600" />

            </shape>

        </clip>

    </item>

    <item android:id="@android:id/progress">

        <clip android:drawable="@drawable/seek" />

    </item>

</layer-list>  

<SeekBar android:id="@+android:id/progresss"

    android:layout_width="fill_parent" android:layout_height="wrap_content"

    android:layout_marginTop="50dip" style="@style/Widget.SeekBar.Normal" />