How to change the background colour?
<p>I want to design a identical screen like messaging screen.Iam using the below xml code for designing the screen. I want to change the background colour as gray  for the edittext <code>@+id/txtMessage</code>  and for the button as like the messaging screen of android.How can i done that?</p>

<pre><code>&lt;?xml version="1.0" encoding="utf-8"?&gt;
&lt;RelativeLayout xmlns:android="http://schemas.android.com/apk/res/android"
    android:layout_width="match_parent"
    android:layout_height="match_parent"
    android:background="#ffffff"
    android:orientation="vertical" &gt;

    &lt;EditText
        android:id="@+id/txtTO"
        android:layout_width="fill_parent"
        android:layout_height="wrap_content"
        android:layout_gravity="top"
        android:hint="To" /&gt;

    &lt;requestFocus /&gt;



    &lt;EditText
        android:id="@+id/txtMessage"
        android:layout_width="235dp"
        android:layout_height="wrap_content"
        android:layout_alignParentBottom="true"
        android:layout_alignParentLeft="true"
        android:ems="10"
        android:hint="Type the message" /&gt;

    &lt;Button
        android:id="@+id/btnSend"
        android:layout_width="70dp"
        android:layout_height="wrap_content"
        android:layout_alignParentBottom="true"
        android:layout_alignParentRight="true"
        android:text="Send" /&gt;

&lt;/RelativeLayout&gt;
</code></pre>
