通讯录：可以浏览联系人、添加联系人、删除联系人、编辑联系人和查看联系人。当找到一个联系人后，可以呼叫或发送短信给联系人-Contacts: You can browse contacts, add contacts, delete contacts, edit contacts, and view contacts. When you find a contact, you can call or send text messages to contacts