Apps Changing src image of a widget

[kujaff]

Hi

I want to change the src of the image of my widget, wich have this layout :

<?xml version="1.0" encoding="utf-8"?>
<LinearLayout  xmlns:android="http://schemas.android.com/apk/res/android"
               android:layout_width="fill_parent" 
               android:layout_height="fill_parent" 
               android:orientation="vertical" >
    <ImageView  android:id="@+id/wifi_widget_icon"
               android:scaleType="center"
        android:layout_width="fill_parent"
             android:layout_height="fill_parent"
               android:src="@drawable/wifi_enabled" />
</LinearLayout>

How can i do this please

Thanks