app/layout.erb

<!DOCTYPE html PUBLIC "-//W3C//DTD XHTML 1.0 Strict//EN"
         "http://www.w3.org/TR/xhtml1/DTD/xhtml1-strict.dtd">
<html xmlns="http://www.w3.org/1999/xhtml">
	<head>
		<title>Tasklist</title>

    <% is_bb6 = System::get_property('platform') == 'Blackberry' && (System::get_property('os_version').split('.')[0].to_i >= 6) %>

    <% if !System::get_property('webview_framework') =~ /^MOTOROLA/ %>
        <% if is_bb6 %>
            <meta name="viewport" content="width=device-width, height=device-height, initial-scale=1.0, maximum-scale=1.0, user-scalable=0"/>
        <% else %>
            <meta name="viewport" content="width=device-width, initial-scale=1.0, maximum-scale=1.0, user-scalable=0"/>
        <% end %>
    <% end %>
        
    <% if System::get_property('platform') == 'WP7' %>
        <meta http-equiv="Content-Type" content="text/html; charset=UTF-8"/>
    <% end %>
        
    <% if System::get_property('platform') == 'APPLE' %>
        <link href="/public/css/iphone.css" type="text/css" rel="stylesheet"/>
    <% elsif System::get_property('platform') == 'ANDROID' %>
        <link href="/public/css/android.css" type="text/css" rel="stylesheet"/>
    <% elsif is_bb6 %>
        <link href="/public/css/android.css" type="text/css" rel="stylesheet"/>
    <% elsif System::get_property('platform') == 'Blackberry' %>
        <link href="/public/css/blackberry.css" type="text/css" rel="stylesheet"/>
    <% elsif System::get_property('platform') == 'WP7' %>
	    <link href="/public/css/windows_mobile.css" type="text/css" rel="stylesheet"/>
		<script src="/public/js/wp7.js" type="text/javascript"></script>
    <% elsif System::get_property('webview_framework') =~ /^WEBKIT/ %>
        <link href="/public/css/re_webkit.css" type="text/css" rel="stylesheet"/>
    <% elsif System::get_property('platform') == 'WINDOWS' %>
	    <link href="/public/css/windows_mobile.css" type="text/css" rel="stylesheet"/>
    <% end %>
				
	</head>
	<body>
		<%= @content %>
	</body>
</html>