simple progress bar customize

res\drawable\custom__progress.xml

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

<layer-list xmlns:android="http://schemas.android.com/apk/res/android">

    <item android:id="@android:id/background">
        <shape android:shape="line">
            <stroke
                android:width="4dp"
                android:color="#474747"
                />
            <size android:height="17dp" />
        </shape>
    </item>
    <item android:id="@android:id/secondaryProgress">
        <clip>
            <shape android:shape="line">
                <stroke
                    android:width="4dp"
                    android:color="#fff"
                    />
                <size android:height="17dp" />
            </shape>
        </clip>
    </item>
    <item android:id="@android:id/progress">
        <clip>
            <shape android:shape="line">
                <stroke
                    android:width="4dp"
                    android:color="#17ca62"
                    />
                <size android:height="17dp" />
            </shape>
        </clip>
    </item>
</layer-list>

res\values\styles.xml

<?xml version="1.0" encoding="utf-8"?>
<resources>
    <!-- Base application theme. -->
    <style name="AppTheme" parent="android:Theme.Holo.Light.DarkActionBar">
    <!-- Customize your theme here. -->
        <item name="android:seekBarStyle">@style/custom__seekbar</item>
    </style>

    <style name="custom__seekbar" parent="android:Widget.Holo.Light.SeekBar">
        <item name="android:thumb">@drawable/custom__ic_thumb</item>
        <item name="android:progressDrawable">@drawable/custom__progress</item>
    </style>
</resources>