HEGII.gt.mes.pda/res/drawable/shape_login.xml

<?xml version="1.0" encoding="utf-8"?>
<shape xmlns:android="http://schemas.android.com/apk/res/android"
    android:shape="rectangle">
    <gradient
        android:startColor="#9A9A9B"
        android:endColor="#9A9A9B"
        android:angle="270"/>
      <corners  
       android:radius="5dp"  
        /> 
        <padding 
        android:left="10dp"
        android:top="10dp"
        android:right="10dp"
        android:bottom="10dp"/>  
         <size
        android:width="400dp"
    android:height="40dp"/>   
        
      
    
</shape>