Android短消息用到的常量定义

package com.tarena.youlu.constant;import android.net.Uri;public class Constant {    public static final String PEOPLE_URI = "content://contacts/people/";    /**     * 获取短信会话相关内容的Uri     */    public static final Uri CONVERSATION_URI= Uri.parse("content://mms-sms/conversations");    /**     * 短信会话的thread_id列，对应内容为会话的会话id     */    public static final String CONVERSATION_THREAD_ID= "thread_id";    /**     * 短信会话的body列，对应内容为一个会话中最后一条短信的正文内容     */    public static final String CONVERSATION_BODY= "body";    /**     * 短信会话的read列，对应内容为一个会话中最后一条短信已读/未读     */    public static final String CONVERSATION_READ= "read";    /**     * 短信会话的date列，对应内容为一个会话中最后一条短信的时间     */    public static final String CONVERSATION_DATE= "date";    /**     * 短信会话的address列，对应内容为会话发生的对方手机号码     */    public static final String CONVERSATION_ADDRESS= "address";    /**     * 短信表对应的Uri     */    public static final Uri SMS_URI = Uri.parse("content://sms");    /**     * 短信的_id列的常量     */    public static final String SMS_ID = "_id";    /**     * 短信已发送的广播ACTION常量     */    public static final String SENT_SHORT_MESSAGE = "com.tarena.SENT_SHORT_MESSAGE";    /**     * 短信发件箱的URI     */    public static final Uri SMS_SENT_URI = Uri.parse("content://sms/sent");    /**     * 短信收件箱的URI     */    public static final Uri SMS_INBOX_URI = Uri.parse("content://sms/inbox");    public static final String SMS_RECEIVED_BROADCAST ="android.provider.Telephony.SMS_RECEIVED";}