配置文件

    <string-array name="icon_background" translatable="false">
    <item>icon_background_hui</item>
    <item>icon_background_blue</item>
    <item>icon_background_cheng</item>
    <item>icon_background_qing</item>
    <item>icon_background_zi</item>
    </string-array>


        String PKG_NAME = "com.android.launcher";
        String TYPE = "drawable";
        for (int i = 0; i < backStrs.length; i++) {
        mBkdResources.add(res.getIdentifier(backStrs[i],
        TYPE ,PKG_NAME ));
}