Creating gradient drawable for progress bar in android

gradient_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>
            <corners android:radius="5dp"/>
            <solid android:color="#fff"/>
        </shape>
    </item>

    <item android:id="@android:id/progress">
        <clip>
            <shape>
                <corners android:radius="5dp"/>
                <gradient
                    android:endColor="@android:color/holo_red_dark"
                    android:startColor="@android:color/holo_orange_light"
                    />
            </shape>
        </clip>
    </item>

</layer-list>

layout_file.xml

<ProgressBar
    xmlns:tools="http://schemas.android.com/tools"
    style="?android:attr/progressBarStyleHorizontal"
    android:layout_width="match_parent"
    android:layout_height="10dp"
    android:progressDrawable="@drawable/gradient_progress"
    tools:progress="60"
    />