Android--email send mail, text and attachments form mail

1. The first jar package is Javaemail

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Https://yunpan.cn/cB3kY8WIvcGtU (Extract code: e042)

2. Tool Kit

Package Com.kllayhello.utils;import Android.content.context;import Android.content.intent;import Android.net.Uri; Import Android.util.log;import Java.util.properties;import Javax.activation.commandmap;import Javax.activation.datahandler;import Javax.activation.filedatasource;import Javax.activation.MailcapCommandMap; Import Javax.mail.message;import Javax.mail.messagingexception;import Javax.mail.multipart;import Javax.mail.session;import Javax.mail.transport;import Javax.mail.internet.internetaddress;import Javax.mail.internet.mimebodypart;import Javax.mail.internet.mimemessage;import Javax.mail.internet.MimeMultipart ; Import Javax.mail.internet.mimeutility;import javax.mail.util.bytearraydatasource;/** * Created by Administrator on 2016/6/30. * http://www.jb51.net/article/38158.htm * http://blog.csdn.net/svenke2011/article/details/8229521 */HTTP// blog.csdn.net/mad1989/article/details/25964495 * * http://blog.csdn.net/chinafe/article/details/7183400 *http:// Blog.csdn.net/xanxus46/article/details/8296529 * http://blog.csdn.net/kudy21/article/details/7665434 */public class emailutils{/** * Android inside Department Send mail * call Mobile email * cannot be sent automatically * sendto Send mail * */public void Sendtoemail (String title,string content,context        Context) {Intent data=new Intent (intent.action_sendto);        Data.setdata (Uri.parse ("mailto:[email protected]"));        Data.putextra (Intent.extra_subject, title);        Data.putextra (intent.extra_text, content);    Context.startactivity (data); * * * */public void Sendtofileemail (String title,string content,context Context) is not automatically sent/** * * * * Calling the Mobile mailbox for attachment        {Intent Intent = new Intent (intent.action_send);        String[] tos = {"[email protected]"};        String[] CCS = {"[email protected]"};        String[] BCCs = {"[email protected]"};        Intent.putextra (Intent.extra_email, TOS);        Intent.putextra (INTENT.EXTRA_CC, CCS);        Intent.putextra (INTENT.EXTRA_BCC, BCCs); IntEnt.putextra (intent.extra_text, content);        Intent.putextra (Intent.extra_subject, title);        Intent.putextra (Intent.extra_stream, Uri.parse ("File:///mnt/sdcard/qq.png"));        Intent.settype ("image/*");        Intent.settype ("message/rfc882");        Intent.createchooser (Intent, "Choose Email Client");    Context.startactivity (Intent);  * * * * * * * * * * * * * * * * Mail/** * * * @param host * Mail server such as: smtp.qq.com * @param     Address * e-mail addresses such as: [email protected] * @param from * from: [email protected] * @param password * Your email password * @param to * recipient * @param port * Port (QQ    : * @param subject * Email subject * @param content * Message content * @throws Exception */ public void SendEmail (string host, string address, string from, string password, string to, string port, String subject , String content) throws Exception {Multipart Multipart;        String finalstring = "";        Properties props = System.getproperties ();        Props.put ("Mail.smtp.starttls.enable", "true");        Props.put ("Mail.smtp.host", host);        Props.put ("Mail.smtp.user", address);        Props.put ("Mail.smtp.password", password);        Props.put ("Mail.smtp.port", port);        Props.put ("Mail.smtp.auth", "true");        LOG.I ("Check", "Done POPs");        Session session = Session.getdefaultinstance (props, null);        DataHandler handler = new DataHandler (New Bytearraydatasource (Finalstring.getbytes (), "Text/plain"));        MimeMessage message = new MimeMessage (session);        Message.setfrom (New InternetAddress (from));        Message.setdatahandler (handler);        LOG.I ("Check", "done Sessions");        MultiPart = new Mimemultipart ();        InternetAddress toaddress;        toaddress = new internetaddress (to);        Message.addrecipient (Message.RecipientType.TO, toaddress); LOG.I ("Check", "added Recipient ");        Message.setsubject (subject);        Message.setcontent (MultiPart);        Message.settext (content);        LOG.I ("Check", "Transport");        Transport Transport = Session.gettransport ("SMTP");        LOG.I ("Check", "Connecting");        Transport.connect (host, address, password);        LOG.I ("Check", "Wana send");        Transport.sendmessage (Message, message.getallrecipients ());        Transport.close ();    LOG.I ("Check", "sent");     /** * Send Attachment Mail * http://cuisuqiang.iteye.com/blog/1586023 * *//** * Mail Sender * * @param host * Mail server such as: smtp.qq.com * @param address * e-mail addresses such as: [email protected] * @param f            ROM * from: [email protected] * @param password * Your email password * @param to *     Recipient * @param port * Port (QQ:25) * @param subject * Email subject * @param content    * Email content * @throws Exception */public void Sendemailfile (string host, string address, string from, string password, string to, string port, string        Subject, String content,string File_path) throws Exception {Mimemultipart multiPart;        String finalstring = "";        Properties props = System.getproperties ();        Props.put ("Mail.smtp.starttls.enable", "true");        Props.put ("Mail.smtp.host", host);        Props.put ("Mail.smtp.user", address);        Props.put ("Mail.smtp.password", password);        Props.put ("Mail.smtp.port", port);        Props.put ("Mail.smtp.auth", "true");        Session session = Session.getdefaultinstance (props, null);        DataHandler handler = new DataHandler (New Bytearraydatasource (Finalstring.getbytes (), "Text/plain"));        MimeMessage message = new MimeMessage (session);        Message.setfrom (New InternetAddress (from));        Message.setdatahandler (handler); MultiPart = new Mimemultipart ("mixed");        Annex InternetAddress Toaddress; Toaddress= new InternetAddress (to);  Message.addrecipient (Message.RecipientType.TO, toaddress);        Add Recipient log.i ("Check", "added recipient");        Message.setsubject (subject);        Message content MimeBodyPart Htmlpart = new MimeBodyPart (); Htmlpart.setcontent ("<body background= ' # ' >" + "<div style= ' Position:absol Ute left:390px;  Top:150px;height: "+" 100px;width:200px; ' align= ' center ' > ' + ' <font        color= ' Red ' > This is a test email, do not reply </font> "+" </div></body> "," text/html;charset=utf-8 ");        The order of TODO assembly is very important, make sure to assemble the text field first, then assemble the file Multipart.addbodypart (Htmlpart);            Attachment Add try{mimebodypart Attachpart = new MimeBodyPart (); Filedatasource FDS = new Filedatasource (File_path);            Open the file you want to send DataHandler dh=new datahandler (FDS);            Attachpart.setdatahandler (DH); Attachpart.setfilename (MimeutiLity.encodetext (Dh.getname ())); Set name Multipart.addbodypart (Attachpart);  Add Attachment message.setcontent (MultiPart); Attachment settings Content message.savechanges ();        Save Message}catch (Exception e) {System.out.print ("File Bug:::" +e.getmessage ());        } Transport Transport = Session.gettransport ("SMTP");        Transport.connect (host, address, password);        Transport.sendmessage (Message, message.getallrecipients ());        Transport.close ();        LOG.I ("Check", "sent");    System.out.println ("Send success!"); }/** * Temporarily unavailable, time to study * Send the message to be attached *str_to_mail the destination of the email (to the recipient's mailbox) * Str_from_mail The origin of the e-mail (from the sender's mailbox) * STR_SMTP Host sender uses the e-mail sent    Mailbox Server * Str_user Sender user name * str_pass Sender Password * Str_title Message title * Str_body Message content * Str_file_path Attachment * */ public void Send_mail_file (String str_to_mail,string str_from_mail,string str_smtp,string str_user,string Str_pass,      String ports,string str_title,string str_body,string str_file_path) {  LOG.V ("Filesend", "send_mail_file");   String host = STR_SMTP;    Sender uses e-mail server String from = Str_from_mail;   Origin of Outgoing mail (sender's mailbox) String to = Str_to_mail;        e-mail Destination (recipient's mailbox) LOG.V ("Filesend", STR_SMTP);        LOG.V ("Filesend", Str_from_mail);        LOG.V ("Filesend", Str_to_mail);        Properties props = System.getproperties ();//Get System Properties Props.put ("Mail.smtp.starttls.enable", "true"); Props.put ("Mail.smtp.host", host);//Setup mail server//sender mailbox and password Props.put ("Mail.smtp.user", Str_use        R);        Props.put ("Mail.smtp.password", Str_pass);        Props.put ("Mail.smtp.port", ports); Props.put ("Mail.smtp.auth", "true");        This can be done by verifying session session = Session.getdefaultinstance (props, null); MimeMessage message = new MimeMessage (session); Define message try {message.setfrom (new internetaddress (from)),//Set the From address} catch (Messagingexception e) {E.priNtstacktrace ();            try {message.addrecipient (message.recipienttype.to,new internetaddress (to));//Set The To address Message.setsubject (str_title);//Set the subject Message.settext (str_body);//Set the content}        catch (Messagingexception e) {e.printstacktrace ();        } MimeBodyPart Attachpart = new MimeBodyPart (); Filedatasource FDS = new Filedatasource (Str_file_path);            Open the file you want to send the try {attachpart.setdatahandler (FDS) (new DataHandler);        Attachpart.setfilename (Fds.getname ());        } catch (Messagingexception e) {e.printstacktrace (); } Mimemultipart Allmultipart = new Mimemultipart ("mixed");            Attachment try {allmultipart.addbodypart (Attachpart);//Add message.setcontent (Allmultipart);        Message.savechanges ();        } catch (Messagingexception e) {e.printstacktrace ();   } try {//Error solving method         Mailcapcommandmap MC = (MAILCAPCOMMANDMAP) commandmap.getdefaultcommandmap (); Mc.addmailcap ("text/html;;            X-java-content-handler=com.sun.mail.handlers.text_html "); Mc.addmailcap ("text/xml;;            X-java-content-handler=com.sun.mail.handlers.text_xml "); Mc.addmailcap ("text/plain;;            X-java-content-handler=com.sun.mail.handlers.text_plain "); Mc.addmailcap ("multipart/*;;            X-java-content-handler=com.sun.mail.handlers.multipart_mixed "); Mc.addmailcap ("message/rfc822;;            x-java-content-handler=com.sun.mail.handlers.message_rfc822 ");            Commandmap.setdefaultcommandmap (MC);        Transport.send (message);//Start send} catch (Messagingexception e) {e.printstacktrace (); }    }}

 3. Using the toolkit:

  But_emailtest.setonclicklistener (New View.onclicklistener () {@Override public void OnClick (View V                ) {//Use Handlerthread mhandlerthread=new handlerthread ("Myhandlerthread");                 Mhandlerthread.start ();                Mhandler = new Handler (Mhandlerthread.getlooper ());            Mhandler.post (mrunnable);    }        }); } Runnable mrunnable = new Runnable () {@Override public void run () {networkutils nu=new NETW            Orkutils ();            Emailutils email=new emailutils ();            Emsuper.run (); Ail.sendtofileemail ("Hahaha test", "This is honor OH support you next haha", minshili.this);            String to= "[email protected]";            String host = "smtp.17xu.com"; String address = "[email protected]";            Sender address String from = "[email protected]";            string password = "******";//Password String filepath=nu.getsdpath () + "/" + "qq.png"; String port = "25"; Send the mail port number try {//email. SendEmail (host, address, from, password, to, port, "Subject test", "content oh hahaha haha");//Attachment email.            Sendemailfile (host, address, from, password, to, port, "Subject test", "content oh hahaha haha", filepath);            } catch (Exception e) {e.printstacktrace (); }        }    };

 4.sd Card Gets the file path, determines whether the network is linked

Package Com.kllayhello.utils;import Android.content.context;import Android.net.connectivitymanager;import Android.net.networkinfo;import android.os.environment;import java.io.file;/** * Created by Administrator on 2016/6/30.        */public class Networkutils {/** * Determines whether the network is linked * */public Boolean isnetworkconnected (context context) {                    if (context = null) {Connectivitymanager Mconnectivitymanager = (connectivitymanager) context            . Getsystemservice (Context.connectivity_service);            Networkinfo mnetworkinfo = Mconnectivitymanager.getactivenetworkinfo ();            if (mnetworkinfo! = null) {return mnetworkinfo.isavailable ();    }} return false;        }/** * Determine if the SD card exists and gets the path * */public String Getsdpath () {File sddir = null; Boolean sdcardexist = Environment.getexternalstoragestate (). Equals (Android.os.Environment.MEDIA_MOUNTED);       /Determine if the SD card exists if (sdcardexist) {     Sddir = Environment.getexternalstoragedirectory ();//Get with Directory} return sddir.tostring (); }}

Reference files:

* http://cuisuqiang.iteye.com/blog/1586023

* http://www.jb51.net/article/38158.htm
* http://blog.csdn.net/svenke2011/article/details/8229521
*
* http://blog.csdn.net/mad1989/article/details/25964495
*
* http://blog.csdn.net/chinafe/article/details/7183400
*http://blog.csdn.net/xanxus46/article/details/8296529
* http://blog.csdn.net/kudy21/article/details/7665434

Android--email send mail, text and attachments form mail