[android] How to change style of a default EditText

edittext_selector.xml

<?xml version="1.0" encoding="utf-8"?>
<selector xmlns:android="http://schemas.android.com/apk/res/android">
    <item android:drawable="@drawable/edittext_pressed" android:state_pressed="true" /> <!-- pressed -->
    <item android:drawable="@drawable/edittext_disable" android:state_enabled="false" /> <!-- focused -->
    <item android:drawable="@drawable/edittext_default" /> <!-- default -->
</selector>

edittext_default.xml

       <?xml version="1.0" encoding="utf-8"?>
<layer-list xmlns:android="http://schemas.android.com/apk/res/android" >
    <item>
        <shape android:shape="rectangle" >
            <solid android:color="#BBDEFB" />
            <padding android:bottom="2dp" />
        </shape>
    </item>
    <item android:bottom="5dp">
        <shape android:shape="rectangle" >
            <solid android:color="#fff" />

            <padding
                android:left="0dp"
                android:right="0dp" />
        </shape>
    </item>
    <item>
        <shape android:shape="rectangle" >
            <solid android:color="#fff" />
        </shape>
    </item>
</layer-list>

edittext_pressed.xml

 <?xml version="1.0" encoding="utf-8"?>
<layer-list xmlns:android="http://schemas.android.com/apk/res/android" >
    <item>
        <shape android:shape="rectangle" >
            <solid android:color="#00f" />
            <padding android:bottom="2dp" />
        </shape>
    </item>
    <item android:bottom="5dp">
        <shape android:shape="rectangle" >
            <solid android:color="#fff" />

            <padding
                android:left="0dp"
                android:right="0dp" />
        </shape>
    </item>
    <item>
        <shape android:shape="rectangle" >
            <solid android:color="#fff" />
        </shape>
    </item>

</layer-list>

edittext_disable.xml

    <?xml version="1.0" encoding="utf-8"?>
    <layer-list xmlns:android="http://schemas.android.com/apk/res/android" >
        <item>
            <shape android:shape="rectangle" >
                <solid android:color="#aaaaaa" />
                <padding android:bottom="2dp" />
            </shape>
        </item>
        <item android:bottom="5dp">
            <shape android:shape="rectangle" >
                <solid android:color="#fff" />

                <padding
                    android:left="0dp"
                    android:right="0dp" />
            </shape>
        </item>
        <item>
            <shape android:shape="rectangle" >
                <solid android:color="#fff" />
            </shape>
        </item>

    </layer-list>

it works fine without nine-patch Api 10+