android - Transparent edit text view is different in 2.3 version and 4.2 version -

i'm struggling small problem, question using transparent edit text view in design part, in 4.2 version android device looking fine , good, if check same edit text in 2.3 version , below version showing black coloured edit text. edit text code.

<edittext android:id="@+id/name"           android:layout_width="wrap_content"           android:layout_height="wrap_content"           android:layout_margin="5dip"           android:layout_weight="1"           android:alpha="0.3"           android:background="@drawable/reg_edittext"           android:ellipsize="end"           android:ems="10"           android:lines="1"           android:scrollhorizontally="true"           android:singleline="true"           android:textcolor="#ffffff" /> 

here reg_edittext

<?xml version="1.0" encoding="utf-8"?> <!--  res/drawable/rounded_edittext.xml --> <shape xmlns:android="http://schemas.android.com/apk/res/android" android:shape="rectangle" android:padding="10dp"  > <solid android:color="#000000" />     <corners android:bottomrightradius="5dp"              android:bottomleftradius="5dp"              android:topleftradius="5dp"              android:toprightradius="5dp"/> </shape> 

showing black coloured edit text in 2.3 version, in 4.2 showing transparent. answer me view same transparent in 2.3 version

please check link

 android:alpha="0.3" alpha property added in api level 14. in previous version map looks different depends on devices. 

try change backgroud solid color transparent may out.

android:color="#000000" transparent color range- #ff000000 #00000000