Update display_name of contact Android
<p>This method always return false. I would like update display name of contact... </p>

<pre><code>    public int updateDisplayName(long id, String newname) {
    Uri contact = ContentUris.withAppendedId(Contacts.CONTENT_URI, id);
    ContentValues values = new ContentValues();     
    values.put(Contacts.DISPLAY_NAME, newname);     
    return context.getContentResolver().update(contact, values, null, null);
}
</code></pre>

<p>Can you help me? </p>

<p>Thanks, 
Mateus</p>
