Android编程实现手机在需要时自动发送短信的功能，注意这个功能为了保护用户隐私，要谨慎使用。在程序实现时，指定手机号码，指定消息内容，通过预定代码实现自动发送短信的功能，发送成功给出提示，接受者的手机将显示一条内容为“这条短信是自动发送的”手机短信。-Android programming the phone to send text messages automatically when needed, note that this feature should be used with caution in order to protect the user' s privacy,. The program is to achieve the specified phone number, specify the content of the message by a predetermined code to send text messages automatically sent successfully hints, the recipient' s phone will display a " SMS is automatically sent mobile phone text messages.