todo_view.xml:

<?xml version="1.0"?>
<odoo>
 <record model="ir.actions.act_window" id="action_todo_task">
 <field name="name">To-Do Task</field>
 <field name="res_model">todo.task</field>
 <field name="view_mode">tree, form</field>
 </record>
 <menuitem id="main_menu_todo_task" name="To-Do App" />
 <menuitem id="menu_todo_task" name="To-Do Task" parent="main_menu_todo_task"/>
 <menuitem id="todo_task_menu" name="Tasks" parent="menu_todo_task" action="action_todo_task"/>
</odoo>

todo_model.py:

# -*- coding: utf-8 -*-
from openerp import models, fields
class ToDoTask(models.Model):
 _name = "todo.task"
 name    = fields.Char('Descrition', required = True)
 is_done = fields.Boolean('Done?')
 active  = fields.Boolean('Active?', default = True)

When I go to view, there is only 'Description' and one checkbox without title.