Android实现电子邮箱客户端

时间：2023-02-22 17:37:08

本文主要讲述了安卓平台上利用QQ邮箱SMTP协议，POP3协议发送与接收消息的实现

发送邮件核心代码

 import java.security.Security;

  import java.util.Date;

  import java.util.Properties;    

   import javax.mail.Authenticator;

    import javax.mail.Message;

    import javax.mail.MessagingException;

   import javax.mail.PasswordAuthentication;

   import javax.mail.Session;

   import javax.mail.Transport;

    import javax.mail.internet.AddressException;

    import javax.mail.internet.InternetAddress;

   import javax.mail.internet.MimeMessage;    

    /**

     * 使用Gmail发送邮件

     * @author Winter Lau

     */

    public class GmailSender {    

     public static void main(String[] args) throws AddressException, MessagingException {

      Security.addProvider(new com.sun.net.ssl.internal.ssl.Provider());

      final String SSL_FACTORY = "javax.net.ssl.SSLSocketFactory";

      // Get a Properties object

      Properties props = System.getProperties();

      props.setProperty("mail.smtp.host", "smtp.qq.com");

      props.setProperty("mail.smtp.socketFactory.class", SSL_FACTORY);

      props.setProperty("mail.smtp.socketFactory.fallback", "false");

     props.setProperty("mail.smtp.port", "465");

      props.setProperty("mail.smtp.socketFactory.port", "465");

      props.put("mail.smtp.auth", "true");

      final String username = "yourusername";

      final String password = "yourpassword";

     Session session = Session.getDefaultInstance(props, new Authenticator(){

          protected PasswordAuthentication getPasswordAuthentication() {

              return new PasswordAuthentication(username, password);

          }});    

           // -- Create a new message --

     Message msg = new MimeMessage(session);    

     // -- Set the FROM and TO fields --

     msg.setFrom(new InternetAddress(username + "@qq.com"));

      msg.setRecipients(Message.RecipientType.TO,

       InternetAddress.parse("yourusername@qq.com",false));

      msg.setSubject("Hello");

      msg.setText("How are you");

     msg.setSentDate(new Date());

      Transport.send(msg);    

      System.out.println("Message sent.");

     }

    }

接收邮件核心代码

 import java.io.UnsupportedEncodingException;

    import java.security.*;

    import java.util.Properties;

    import javax.mail.*;

    import javax.mail.internet.InternetAddress;

    import javax.mail.internet.MimeUtility;    

   /**

    * 用于收取Gmail邮件

     * @author Winter Lau

    */

   public class GmailFetch {    

    public static void main(String argv[]) throws Exception {    

      Security.addProvider(new com.sun.net.ssl.internal.ssl.Provider());

     final String SSL_FACTORY = "javax.net.ssl.SSLSocketFactory";    

      // Get a Properties object

      Properties props = System.getProperties();

      props.setProperty("mail.pop3.socketFactory.class", SSL_FACTORY);

     props.setProperty("mail.pop3.socketFactory.fallback", "false");

      props.setProperty("mail.pop3.port", "995");

      props.setProperty("mail.pop3.socketFactory.port", "995");    

      //以下步骤跟一般的JavaMail操作相同

      Session session = Session.getDefaultInstance(props,null);    

     //请将红色部分对应替换成你的邮箱帐号和密码

     URLName urln = new URLName("pop3","pop.qq.com",995,null,

       "yourusername@qq.com", "yourpassword");

    Store store = session.getStore(urln);

      Folder inbox = null;

      try {

       store.connect();

       inbox = store.getFolder("INBOX");

       inbox.open(Folder.READ_ONLY);

       FetchProfile profile = new FetchProfile();

       profile.add(FetchProfile.Item.ENVELOPE);

       Message[] messages = inbox.getMessages();

      inbox.fetch(messages, profile);

       System.out.println("收件箱的邮件数：" + messages.length);

       for (int i = 0; i < messages.length; i++) {

       //邮件发送者

       String from = decodeText(messages[i].getFrom()[0].toString());

        InternetAddress ia = new InternetAddress(from);

       System.out.println("FROM:" + ia.getPersonal()+'('+ia.getAddress()+')');

        //邮件标题

        System.out.println("TITLE:" + messages[i].getSubject());

        //邮件大小

        System.out.println("SIZE:" + messages[i].getSize());

        //邮件发送时间

        System.out.println("DATE:" + messages[i].getSentDate());

       }

      } finally {

       try {

        inbox.close(false);

      } catch (Exception e) {}

      try {

        store.close();

       } catch (Exception e) {}

      }

     }    

    protected static String decodeText(String text)

       throws UnsupportedEncodingException {

      if (text == null)

       return null;

     if (text.startsWith("=?GB") || text.startsWith("=?gb"))

      text = MimeUtility.decodeText(text);

     else

      text = new String(text.getBytes("ISO8859_1"));

     return text;

    }    

   }

注意，接收邮件使用java客户端时可以正常得到数据，在使用安卓的时候，就会卡在store.connect(),原因不详，无法解决

问题已解决，安卓似乎强行并不允许连接网络的操作在主线程中，将store.connnect()放到子线程中即可，不然会卡住

注意，发邮件时，要导入activation.jar,不然的话会报java.lang.noClassDefFoundError:javax.activation.DataHandler

最后完成版本

主界面

package com.zj.myemail;

import android.annotation.SuppressLint;

import android.app.Activity;

import android.app.AlertDialog;

import android.app.AlertDialog.Builder;

import android.content.ContentValues;

import android.content.DialogInterface;

import android.content.Intent;

import android.content.DialogInterface.OnClickListener;

import android.net.Uri;

import android.os.Bundle;

import android.view.KeyEvent;

import android.view.Menu;

import android.view.MenuItem;

import android.view.View;

import android.view.ViewGroup;

import android.view.Window;

import android.widget.BaseExpandableListAdapter;

import android.widget.EditText;

import android.widget.ExpandableListView;

import android.widget.ImageView;

import android.widget.TextView;

import android.widget.Toast;

import android.widget.ExpandableListView.OnChildClickListener;

import android.widget.ExpandableListView.OnGroupClickListener;

public class MainActivity extends Activity {

    private ExpandableListView expendView;

    private int []group_click=new int[5];

    private long mExitTime=0;

    @Override

    protected void onCreate(Bundle savedInstanceState) {

        super.onCreate(savedInstanceState);

        requestWindowFeature(Window.FEATURE_NO_TITLE);

        setContentView(R.layout.activity_main);

         final MyExpendAdapter adapter=new MyExpendAdapter();

        expendView=(ExpandableListView) findViewById(R.id.list);

        expendView.setGroupIndicator(null);  //设置默认图标不显示

        expendView.setAdapter(adapter);

        //一级点击事件

        expendView.setOnGroupClickListener(new OnGroupClickListener() {

            @Override

            public boolean onGroupClick(ExpandableListView parent, View v,

                    int groupPosition, long id) {

                group_click[groupPosition]+=1;

                adapter.notifyDataSetChanged();

                return false;

            }

        });

        //二级点击事件

        expendView.setOnChildClickListener(new OnChildClickListener() {

            @Override

            public boolean onChildClick(ExpandableListView parent, View v,

                    int groupPosition, int childPosition, long id) {

                //可在这里做点击事件

                if(groupPosition==0&&childPosition==1){

                    /*AlertDialog.Builder builder=new Builder(MainActivity.this);

                    builder.setTitle("添加联系人");

                    View view=getLayoutInflater().inflate(R.layout.email_add_address, null);

                    final EditText name=(EditText) view.findViewById(R.id.name);

                    final EditText addr=(EditText) view.findViewById(R.id.address);

                    builder.setView(view);

                    builder.setPositiveButton("确定", new OnClickListener() {

                        @Override

                        public void onClick(DialogInterface dialog, int which) {

                            insertAddress(name.getText().toString().trim(),addr.getText().toString().trim());

                        }

                    });

                    builder.setNegativeButton("取消", null);

                    builder.show();*/

                }else if(groupPosition==0&&childPosition==0){

                    //Intent intent=new Intent(MainActivity.this, MailConstactsActivity.class);

                    //startActivity(intent);

                }else if(groupPosition==1&&childPosition==0){

                    Intent intent=new Intent(MainActivity.this, MailEditActivity.class);

                    startActivity(intent);

                }else if(groupPosition==1&&childPosition==1){

                    //Intent intent=new Intent(MainActivity.this, MailCaogaoxiangActivity.class);

                    //startActivity(intent);

                }else if(groupPosition==2&&childPosition==0){

                    Intent intent=new Intent(MainActivity.this, MailBoxActivity.class);

                    intent.putExtra("TYPE", "INBOX");

                    intent.putExtra("status", 0);//全部

                    startActivity(intent);

                }else if(groupPosition==2&&childPosition==1){

                    //Intent intent=new Intent(MainActivity.this, MailBoxActivity.class);

                    //intent.putExtra("TYPE", "INBOX");

                    //intent.putExtra("status", 1);//未读

                    //startActivity(intent);

                }else if(groupPosition==2&&childPosition==2){

                    //Intent intent=new Intent(MainActivity.this, MailBoxActivity.class);

                    //intent.putExtra("TYPE", "INBOX");

                    //intent.putExtra("status", 2);//已读

                    //startActivity(intent);

                }

                adapter.notifyDataSetChanged();

                return false;

            }

        });

    }

    /**

     * 添加联系人

     */

    /*private void insertAddress(String user,String address){

        if(user==null){

            Toast.makeText(HomeActivity.this, "用户名不能为空", Toast.LENGTH_SHORT).show();

        }else{

            if(!EmailFormatUtil.emailFormat(address)){

                Toast.makeText(HomeActivity.this, "邮箱格式不正确", Toast.LENGTH_SHORT).show();

            }else{

                Uri uri=Uri.parse("content://com.emailconstantprovider");

                ContentValues values=new ContentValues();

                values.put("mailfrom", MyApplication.info.getUserName());

                values.put("name", user);

                values.put("address", address);

                getContentResolver().insert(uri, values);

                Toast.makeText(HomeActivity.this, "添加数据成功", Toast.LENGTH_SHORT).show();

            }

        }

    }*/

    /**

     * 适配器

     * @author Administrator

     *

     */

    private class MyExpendAdapter extends BaseExpandableListAdapter{

        /**

         * pic state

         */

        //int []group_state=new int[]{R.drawable.group_right,R.drawable.group_down};

        /**

         * group title

         */

        String []group_title=new String[]{"联系人","写邮件","收件箱"};

        /**

         * child text

         */

        String [][] child_text=new String [][]{

                {"联系人列表","添加联系人"},

                {"新邮件","草稿箱"},

                {"全部邮件","未读邮件","已读邮件"},};

        int [][] child_icons=new int[][]{

                {R.drawable.listlianxiren,R.drawable.tianjia},

                {R.drawable.xieyoujian,R.drawable.caogaoxiang},

                {R.drawable.all,R.drawable.notread,R.drawable.hasread},

        };

        /**

         * 获取一级标签中二级标签的内容

         */

        @Override

        public Object getChild(int groupPosition, int childPosition) {

            return child_text[groupPosition][childPosition];

        }

        /**

         * 获取二级标签ID

         */

        @Override

        public long getChildId(int groupPosition, int childPosition) {

            return childPosition;

        }

        /**

         * 对一级标签下的二级标签进行设置

         */

        @SuppressLint("SimpleDateFormat")

        @Override

        public View getChildView(int groupPosition, int childPosition,

                boolean isLastChild, View convertView, ViewGroup parent) {

            convertView=getLayoutInflater().inflate(R.layout.email_child, null);

            TextView tv=(TextView) convertView.findViewById(R.id.tv);

            tv.setText(child_text[groupPosition][childPosition]);

            ImageView iv=(ImageView) convertView.findViewById(R.id.child_icon);

            iv.setImageResource(child_icons[groupPosition][childPosition]);

            return convertView;

        }

        /**

         * 一级标签下二级标签的数量

         */

        @Override

        public int getChildrenCount(int groupPosition) {

            return child_text[groupPosition].length;

        }

        /**

         * 获取一级标签内容

         */

        @Override

        public Object getGroup(int groupPosition) {

            return group_title[groupPosition];

        }

        /**

         * 一级标签总数

         */

        @Override

        public int getGroupCount() {

            return group_title.length;

        }

        /**

         * 一级标签ID

         */

        @Override

        public long getGroupId(int groupPosition) {

            return groupPosition;

        }

        /**

         * 对一级标签进行设置

         */

        @Override

        public View getGroupView(int groupPosition, boolean isExpanded,

                View convertView, ViewGroup parent) {

            convertView=getLayoutInflater().inflate(R.layout.email_group, null);

            ImageView icon=(ImageView) convertView.findViewById(R.id.icon);

            ImageView iv=(ImageView) convertView.findViewById(R.id.iv);

            TextView tv=(TextView) convertView.findViewById(R.id.iv_title);

            iv.setImageResource(R.drawable.group_right);

            tv.setText(group_title[groupPosition]);

            if(groupPosition==0){

                icon.setImageResource(R.drawable.constants);

            }else if(groupPosition==1){

                icon.setImageResource(R.drawable.mailto);

            }else if(groupPosition==2){

                icon.setImageResource(R.drawable.mailbox);

            }

            if(group_click[groupPosition]%2==0){

                iv.setImageResource(R.drawable.group_right);

            }else{

                iv.setImageResource(R.drawable.group_down);

            }

            return convertView;

        }

        /**

         * 指定位置相应的组视图

         */

        @Override

        public boolean hasStableIds() {

            return true;

        }

        /**

         *  当选择子节点的时候，调用该方法

         */

        @Override

        public boolean isChildSelectable(int groupPosition, int childPosition) {

            return true;

        }

    }

    /**

     * 返回退出系统

     */

    @Override

    public boolean onKeyDown(int keyCode, KeyEvent event) {

        if(keyCode==KeyEvent.KEYCODE_BACK){

            if((System.currentTimeMillis()-mExitTime)<2000){

                android.os.Process.killProcess(android.os.Process.myPid());

            }else{

                Toast.makeText(MainActivity.this, "再按一次退出程序", Toast.LENGTH_SHORT).show();

                mExitTime=System.currentTimeMillis();

            }

            return true;

        }

        return super.onKeyDown(keyCode, event);

    }

}

收件箱



package com.zj.myemail;

import android.app.Activity;

import android.app.ProgressDialog;

import android.content.ContentValues;

import android.content.Context;

import android.content.Intent;

import android.database.Cursor;

import android.net.Uri;

import android.os.Bundle;

import android.os.Handler;

import android.util.Log;

import android.view.LayoutInflater;

import android.view.View;

import android.view.View.OnClickListener;

import android.view.ViewGroup;

import android.view.Window;

import android.widget.BaseAdapter;

import android.widget.DialerFilter;

import android.widget.ListView;

import android.widget.ProgressBar;

import android.widget.TextView;

import android.widget.Toast;

import java.io.InputStream;

import java.io.UnsupportedEncodingException;

import java.lang.ref.WeakReference;

import java.security.Security;

import java.util.ArrayList;

import java.util.List;

import java.util.Properties;

import javax.mail.FetchProfile;

import javax.mail.Folder;

import javax.mail.Message;

import javax.mail.Session;

import javax.mail.Store;

import javax.mail.URLName;

import javax.mail.internet.InternetAddress;

import javax.mail.internet.MimeUtility;

public class MailBoxActivity extends Activity {

    private ArrayList<Email> mailslist = new ArrayList<Email>();

    private ArrayList<ArrayList<InputStream>> attachmentsInputStreamsList = new ArrayList<ArrayList<InputStream>>();

    private String type;

    private int status;

    private MyAdapter myAdapter;

    private ListView lv_box;

    //private List<MailReceiver> mailReceivers;

    private ProgressDialog dialog;

    private List<String> messageids;

    private Handler handler=new Handler(){

        public void handleMessage(android.os.Message msg) {

            dialog.dismiss();

             myAdapter = new MyAdapter();

             lv_box.setAdapter(myAdapter);

        };

    };

    @Override

    protected void onCreate(Bundle savedInstanceState) {

        requestWindowFeature(Window.FEATURE_NO_TITLE);

        super.onCreate(savedInstanceState);

        setContentView(R.layout.email_mailbox);

        initView();

    }

    private void initView() {

        lv_box = (ListView) findViewById(R.id.lv_box);

        dialog=new ProgressDialog(this);

        dialog.setMessage("正加载");

        dialog.show();

        Security.addProvider(new com.sun.net.ssl.internal.ssl.Provider());

         final String SSL_FACTORY = "javax.net.ssl.SSLSocketFactory";    

          // Get a Properties object

          Properties props = System.getProperties();

          props.setProperty("mail.pop3.socketFactory.class", SSL_FACTORY);

         props.setProperty("mail.pop3.socketFactory.fallback", "false");

          props.setProperty("mail.pop3.port", "995");

          props.setProperty("mail.pop3.socketFactory.port", "995");    

          //以下步骤跟一般的JavaMail操作相同

          final Session session = Session.getDefaultInstance(props,null);    

         //请将红色部分对应替换成你的邮箱帐号和密码

         final URLName urln = new URLName("pop3","pop.qq.com",995,null,

           "yourusername@qq.com", "yourpassword");   

         new Thread(new Runnable() {

            @Override

            public void run() {

                // TODO Auto-generated method stub

                 Store store=null;

                  Folder inbox = null;

                try { 

                     store = session.getStore(urln);    

                     Log.i("test","here1");

                       store.connect();

                       Log.i("test","here2");

                       inbox = store.getFolder("INBOX");

                       inbox.open(Folder.READ_ONLY);

                       FetchProfile profile = new FetchProfile();

                       profile.add(FetchProfile.Item.ENVELOPE);

                       Message[] messages = inbox.getMessages();

                      inbox.fetch(messages, profile);

                      Log.i("test",messages.length+"");

                       System.out.println("收件箱的邮件数：" + messages.length);

                       for (int i = 0; i < messages.length; i++) {

                       //邮件发送者

                       String from = decodeText(messages[i].getFrom()[0].toString());

                        InternetAddress ia = new InternetAddress(from);

                       System.out.println("FROM:" + ia.getPersonal()+'('+ia.getAddress()+')');

                        //邮件标题

                        System.out.println("TITLE:" + messages[i].getSubject());

                        //邮件大小

                        System.out.println("SIZE:" + messages[i].getSize());

                        //邮件发送时间

                        System.out.println("DATE:" + messages[i].getSentDate());

                        Email email=new Email();

                        email.setFrom(ia.getPersonal()+'('+ia.getAddress()+')');

                        email.setSubject( messages[i].getSubject());

                        email.setSentdata(messages[i].getSentDate()+"");

                       mailslist.add(email);

                       }    

                       handler.sendEmptyMessage(0);

                      } catch(Exception e)

                      {

                      }

                      finally {

                       try {

                        inbox.close(false);

                      } catch (Exception e) {}

                      try {

                        store.close();

                       } catch (Exception e) {}

                      }

            }

        }).start();

    }

    protected static String decodeText(String text)

               throws UnsupportedEncodingException {

              if (text == null)

               return null;

             if (text.startsWith("=?GB") || text.startsWith("=?gb"))

              text = MimeUtility.decodeText(text);

             else

              text = new String(text.getBytes("ISO8859_1"));

             return text;

            }    

    /**

     * 适配器

     * @author Administrator

     *

     */

    private class MyAdapter extends BaseAdapter {

        @Override

        public int getCount() {

            return mailslist.size();

        }

        @Override

        public Object getItem(int position) {

            return mailslist.get(position);

        }

        @Override

        public long getItemId(int position) {

            return position;

        }

        @Override

        public View getView(final int position, View convertView, ViewGroup parent) {

            convertView = LayoutInflater.from(MailBoxActivity.this).inflate(R.layout.email_mailbox_item, null);

            TextView tv_from = (TextView) convertView.findViewById(R.id.tv_from);

            tv_from.setText(mailslist.get(position).getFrom());

            TextView tv_sentdate = (TextView) convertView.findViewById(R.id.tv_sentdate);

            tv_sentdate.setText(mailslist.get(position).getSentdata());

            TextView tv_subject = (TextView) convertView.findViewById(R.id.tv_subject);

            tv_subject.setText(mailslist.get(position).getSubject());

            return convertView;

        }

    }

}

发送邮件

package com.zj.myemail;

import java.security.Security;

import java.util.Date;

import java.util.Properties;

import javax.mail.Authenticator;

import javax.mail.Message;

import javax.mail.MessagingException;

import javax.mail.PasswordAuthentication;

import javax.mail.Session;

import javax.mail.Transport;

import javax.mail.internet.InternetAddress;

import javax.mail.internet.MimeMessage;

import android.app.Activity;

import android.app.ProgressDialog;

import android.os.Bundle;

import android.os.Handler;

import android.view.KeyEvent;

import android.view.View;

import android.view.Window;

import android.widget.Button;

import android.widget.EditText;

import android.widget.ImageButton;

import android.widget.Toast;

public class MailEditActivity extends Activity {

    private EditText mail_to;

    private EditText mail_from;

    private EditText mail_topic;

    private EditText mail_content;

    private Button send;

    private ImageButton add_lianxiren;

    private ImageButton attachment;

    private int mailid = -1;

    private static final int SUCCESS = 1;

    private static final int FAILED = -1;

    private boolean isCaogaoxiang = true;

    private ProgressDialog dialog;

    Handler handler = new Handler() {

        public void handleMessage(android.os.Message msg) {

            dialog.dismiss();

            Toast.makeText(MailEditActivity.this, "发送成功", 0).show();

        };

    };

    @Override

    protected void onCreate(Bundle savedInstanceState) {

        requestWindowFeature(Window.FEATURE_NO_TITLE);

        super.onCreate(savedInstanceState);

        setContentView(R.layout.email_writer);

        init();

    }

    /**

     * 初始化

     */

    private void init() {

        mail_to = (EditText) findViewById(R.id.mail_to);

        mail_from = (EditText) findViewById(R.id.mail_from);

        mail_topic = (EditText) findViewById(R.id.mail_topic);

        mail_content = (EditText) findViewById(R.id.content);

        send = (Button) findViewById(R.id.send);

        attachment = (ImageButton) findViewById(R.id.add_att);

        add_lianxiren = (ImageButton) findViewById(R.id.add_lianxiren);

        mail_from.setText("yourusername@qq.com");

        mail_to.setText("yourusername@qq.com");

    }

    public void mySend(View view) {

        Toast.makeText(getApplicationContext(), "正在发送", 0).show();

        sendMail();

    }

    /**

     * 设置邮件数据

     */

    private void sendMail() {

        dialog = new ProgressDialog(this);

        dialog.setMessage("正在发送");

        dialog.show();

        new Thread(new Runnable() {

            @Override

            public void run() {

                // TODO Auto-generated method stub

                try {

                    Security.addProvider(new com.sun.net.ssl.internal.ssl.Provider());

                    final String SSL_FACTORY = "javax.net.ssl.SSLSocketFactory";

                    // Get a Properties object

                    Properties props = System.getProperties();

                    props.setProperty("mail.smtp.host", "smtp.qq.com");

                    props.setProperty("mail.smtp.socketFactory.class",

                            SSL_FACTORY);

                    props.setProperty("mail.smtp.socketFactory.fallback",

                            "false");

                    props.setProperty("mail.smtp.port", "465");

                    props.setProperty("mail.smtp.socketFactory.port", "465");

                    props.put("mail.smtp.auth", "true");

                    final String username = "yourusername";

                    final String password = "yourpassword";

                    Session session = Session.getDefaultInstance(props,

                            new Authenticator() {

                                protected PasswordAuthentication getPasswordAuthentication() {

                                    return new PasswordAuthentication(username,

                                            password);

                                }

                            });

                    // -- Create a new message --

                    final Message msg = new MimeMessage(session);

                    // -- Set the FROM and TO fields --

                    msg.setFrom(new InternetAddress(username + "@qq.com"));

                    msg.setRecipient(Message.RecipientType.TO, new InternetAddress(mail_to.getText().toString()));

                    msg.setSubject(mail_topic.getText().toString());

                    msg.setText(mail_content.getText().toString());

                    msg.setSentDate(new Date());

                    Transport.send(msg);

                    handler.sendEmptyMessage(0);

                } catch (MessagingException e) {

                    // TODO Auto-generated catch block

                    e.printStackTrace();

                }

            }

        }).start();

        System.out.println("Message sent.");

    }

    /**

     * /** 返回

     *

     * @param v

     */

    public void back(View v) {

        finish();

    }

    /**

     * 返回按钮

     */

    @Override

    public boolean onKeyDown(int keyCode, KeyEvent event) {

        finish();

        return super.onKeyDown(keyCode, event);

    }

}

完成,以下为另外的例子

详细实例

准备过程

  1. 下载jar包
  2. 在QQ邮箱中手动开启SMTP，POP3

参考链接

QQ邮箱开启SMTP服务的步骤_百度经验

实现

登陆与验证

登陆界面，主要是两个输入框

package com.email;

import com.email.app.MyApplication;

import com.email.utils.EmailFormatUtil;

import com.email.utils.HttpUtil;

import android.os.Bundle;

import android.os.Handler;

import android.os.Message;

import android.text.Editable;

import android.text.TextUtils;

import android.text.TextWatcher;

import android.view.View;

import android.view.Window;

import android.view.View.OnClickListener;

import android.widget.Button;

import android.widget.CheckBox;

import android.widget.CompoundButton;

import android.widget.CompoundButton.OnCheckedChangeListener;

import android.widget.EditText;

import android.widget.Toast;

import android.app.Activity;

import android.app.ProgressDialog;

import android.content.Context;

import android.content.Intent;

import android.content.SharedPreferences;

public class LoginActivity extends Activity implements TextWatcher, OnClickListener{

    private EditText emailAddress;

    private EditText password;

    private Button clearAddress;

    private Button emailLogin;

    private ProgressDialog dialog;

    private SharedPreferences sp;

    private CheckBox cb_remenber;

    private CheckBox cb_autologin;

    private Handler handler=new Handler(){

        @Override

        public void handleMessage(Message msg) {

            if(MyApplication.session==null){

                dialog.dismiss();

                Toast.makeText(LoginActivity.this, "账号或密码错误", Toast.LENGTH_SHORT).show();

            }else{

                dialog.dismiss();

                Intent intent=new Intent(LoginActivity.this, HomeActivity.class);

                startActivity(intent);

                finish();

                //Toast.makeText(LoginActivity.this, "登入成功", Toast.LENGTH_SHORT).show();

            }

            super.handleMessage(msg);

        }

    };

    @Override

    protected void onCreate(Bundle savedInstanceState) {

        super.onCreate(savedInstanceState);

        requestWindowFeature(Window.FEATURE_NO_TITLE);

        setContentView(R.layout.email_login);

        sp=getSharedPreferences("config", Context.MODE_APPEND);

        initView();

        isRemenberPwd();

    }

    /**

     * 初始化数据

     */

    private void initView(){

        emailAddress=(EditText) findViewById(R.id.emailAddress);

        password=(EditText) findViewById(R.id.password);

        clearAddress=(Button) findViewById(R.id.clear_address);

        emailLogin=(Button) findViewById(R.id.login_btn);

        cb_remenber=(CheckBox) findViewById(R.id.remenberPassword);

        cb_autologin=(CheckBox) findViewById(R.id.autoLogin);

        clearAddress.setOnClickListener(this);

        emailAddress.addTextChangedListener(this);

        emailLogin.setOnClickListener(this);

        cb_remenber.setOnClickListener(this);

        cb_autologin.setOnClickListener(this);

    }

    @Override

    public void onClick(View v) {

        switch (v.getId()) {

        case R.id.clear_address:

            emailAddress.setText("");

            break;

        case R.id.login_btn:

            loginEmail();

            break;

        case R.id.remenberPassword:

            remenberPwd();

            break;

        case R.id.autoLogin:

            break;

        }

    }

    /**

     * 是否记住密码

     */

    private void isRemenberPwd(){

        boolean isRbPwd=sp.getBoolean("isRbPwd", false);

        if(isRbPwd){

            String addr=sp.getString("address", "");

            String pwd=sp.getString("password", "");

            emailAddress.setText(addr);

            password.setText(pwd);

            cb_remenber.setChecked(true);

        }

    }

    /**

     * 记住密码

     */

    private void remenberPwd(){

        boolean isRbPwd=sp.getBoolean("isRbPwd", false);

        if(isRbPwd){

            sp.edit().putBoolean("isRbPwd", false).commit();

            cb_remenber.setChecked(false);

        }else{

            sp.edit().putBoolean("isRbPwd", true).commit();

            sp.edit().putString("address", emailAddress.getText().toString().trim()).commit();

            sp.edit().putString("password", password.getText().toString().trim()).commit();

            cb_remenber.setChecked(true);

        }

    }

    /**

     * 登入邮箱

     */

    private void loginEmail(){

        String address=emailAddress.getText().toString().trim();

        String pwd=password.getText().toString().trim();

        if(TextUtils.isEmpty(address)){

            Toast.makeText(LoginActivity.this, "地址不能为空", Toast.LENGTH_SHORT).show();

            return;

        }else{

            if(TextUtils.isEmpty(pwd)){

                Toast.makeText(LoginActivity.this, "密码不能为空", Toast.LENGTH_SHORT).show();

                return;

            }

        }

        /**

         * 校验邮箱格式

         */

        if(!EmailFormatUtil.emailFormat(address)){

            Toast.makeText(LoginActivity.this, "邮箱格式不正确", Toast.LENGTH_SHORT).show();

        }else{

            String host="smtp."+address.substring(address.lastIndexOf("@")+1);

            MyApplication.info.setMailServerHost(host);

            MyApplication.info.setMailServerPort("465");

            MyApplication.info.setUserName(address);

            MyApplication.info.setPassword(pwd);

            MyApplication.info.setValidate(true);

            /**

             * 进度条

             */

            dialog=new ProgressDialog(LoginActivity.this);

            dialog.setMessage("正在登入，请稍后");

            dialog.show();

            /**

             * 访问网络

             */

            new Thread(){

                @Override

                public void run() {

                    //登入操作

                    HttpUtil util=new HttpUtil();

                    MyApplication.session=util.login();

                    Message message=handler.obtainMessage();

                    message.sendToTarget();

                }

            }.start();

        }

    }

        /**

         * 文本监听事件

         *

         */

        @Override

        public void onTextChanged(CharSequence s, int start, int before, int count) {

                if(!TextUtils.isEmpty(s)){

                    clearAddress.setVisibility(View.VISIBLE);

                }else{

                    clearAddress.setVisibility(View.INVISIBLE);

                }

        }

    @Override

    public void afterTextChanged(Editable s) {

    }

    @Override

    public void beforeTextChanged(CharSequence s, int start, int count,

            int after) {

    }

}

点击登陆会跳转到此处，HttpUtils如下 ，主要包括验证是否成功登陆与发送消息的方法，

其中创建了一个密码验证器，并且根据邮件会话属性和密码验证器构造一个发送邮件的session

package com.email.utils;

import java.io.UnsupportedEncodingException;

import java.util.Date;

import java.util.List;

import javax.activation.CommandMap;

import javax.activation.DataHandler;

import javax.activation.FileDataSource;

import javax.activation.MailcapCommandMap;

import javax.mail.Address;

import javax.mail.BodyPart;

import javax.mail.Message;

import javax.mail.MessagingException;

import javax.mail.Multipart;

import javax.mail.Session;

import javax.mail.Store;

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 com.email.app.MyApplication;

import com.email.bean.Attachment;

import com.email.bean.MailInfo;

import com.email.bean.MyAuthenticator;

public class HttpUtil {

    /**

     * 连接邮箱

     * @param info

     * @return

     */

    public Session login(){

        //连接服务器

        Session session=isLoginRight(MyApplication.info);

        return session;

    }

    /**

     * 登入操作

     * @param info

     * @return

     */

    private Session isLoginRight(MailInfo info) {

        //判断是否要登入验证

        MyAuthenticator authenticator=null;

        if(info.isValidate()){

            //创建一个密码验证器

            authenticator=new MyAuthenticator(info.getUserName(), info.getPassword());

        }

        // 根据邮件会话属性和密码验证器构造一个发送邮件的session

        Session sendMailSession=Session.getDefaultInstance(info.getProperties(), authenticator);

        try {

            Transport transport=sendMailSession.getTransport("smtp");

            transport.connect(info.getMailServerHost(), info.getUserName(), info.getPassword());

        } catch (MessagingException e) {

            e.printStackTrace();

            return null;

        }

        return sendMailSession;

    }

    /**

     * 以文本格式发送邮件

     *

     * @param <T>

     *

     * @param mailInfo

     *            待发送的邮件的信息

     */

    public boolean sendTextMail(MailInfo mailInfo, Session sendMailSession) {

        // 判断是否需要身份认证

        try {

            // 根据session创建一个邮件消息

            Message mailMessage = new MimeMessage(sendMailSession);

            // 创建邮件发送者地址

            Address address=new InternetAddress(mailInfo.getFromAddress());

            // 设置邮件消息的发送者

            mailMessage.setFrom(address);

            // 创建邮件的接收者地址，并设置到邮件消息中

            Address[] tos = null;

            String[] receivers = mailInfo.getReceivers();

            if (receivers != null) {

                // 为每个邮件接收者创建一个地址

                tos = new InternetAddress[receivers.length];

                for (int i = 0; i < receivers.length; i++) {

                    tos[i] = new InternetAddress(receivers[i]);

                }

            } else {

                return false;

            }

            // Message.RecipientType.TO属性表示接收者的类型为TO

            mailMessage.setRecipients(Message.RecipientType.TO, tos);

            // 设置邮件消息的主题

            mailMessage.setSubject(mailInfo.getSubject());

            // 设置邮件消息发送的时间

            mailMessage.setSentDate(new Date());

            // 设置邮件消息的主要内容

            String mailContent = mailInfo.getContent();

            Multipart mm = new MimeMultipart();// 新建一个MimeMultipart对象用来存放多个BodyPart对象

            // 设置信件文本内容

            BodyPart mdp = new MimeBodyPart();// 新建一个存放信件内容的BodyPart对象

            mdp.setContent(mailContent, "text/html;charset=gb2312");// 给BodyPart对象设置内容和格式/编码方式

            mm.addBodyPart(mdp);// 将含有信件内容的BodyPart加入到MimeMultipart对象中

            Attachment affInfos;

            FileDataSource fds1;

            List<Attachment> list = mailInfo.getAttachmentInfos();

                for (int i = 0; i < list.size(); i++) {

                    affInfos = list.get(i);

                    fds1 = new FileDataSource(affInfos.getFilePath());

                    mdp = new MimeBodyPart();

                    mdp.setDataHandler(new DataHandler(fds1));

                    try {

                        mdp.setFileName(MimeUtility.encodeText(fds1.getName()));

                    } catch (UnsupportedEncodingException e) {

                        e.printStackTrace();

                    }

                    mm.addBodyPart(mdp);

                }

            mailMessage.setContent(mm);

            mailMessage.saveChanges();

            // 设置邮件支持多种格式

            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);

            // 发送邮件

            Transport.send(mailMessage);

            return true;

        } catch (MessagingException ex) {

            ex.printStackTrace();

        }

        return false;

    }

}

HttpUtils中用到了MailInfo中一些属性，MailInfo是邮件基本信息javabean,其中配置了邮件会话属性，和其他一些属性，内容如下

由于现在是SSL方法验证，似乎都要加上

p.put("mail.smtp.starttls.enable", "true");

        //需要加上

        p.put("mail.smtp.socketFactory.class", "javax.net.ssl.SSLSocketFactory");

        p.put("mail.smtp.socketFactory.port", "465");

刚开始没加就出错了

package com.email.bean;

import java.io.Serializable;

import java.util.List;

import java.util.Properties;

/**

 * 邮件的基本信息

 * @author Administrator

 *

 */

public class MailInfo implements Serializable {

    private static final long serialVersionUID = 1L;

    // 发送邮件的服务器的IP和端口

    private String mailServerHost;

    private String mailServerPort = "465";

    // 登陆邮件发送服务器的用户名和密码

    private String userName;

    private String password;

    // 是否需要身份验证

    private boolean validate = false;

    // 邮件发送者的地址

    private String fromAddress;

    // 邮件主题

    private String subject;

    // 邮件的文本内容

    private String content;

    // 邮件附件的路径

    private List<Attachment> attachmentInfos;

    // 邮件的接收者，可以有多个

    private String[] receivers;

    /**

     * 获得邮件会话属性

     */

    public Properties getProperties() {

        Properties p = new Properties();

        p.put("mail.smtp.host", this.mailServerHost);

        p.put("mail.smtp.port", this.mailServerPort);

        p.put("mail.smtp.auth", validate ? "true" : "false");

        p.put("mail.smtp.starttls.enable", "true");

        //需要加上

        p.put("mail.smtp.socketFactory.class", "javax.net.ssl.SSLSocketFactory");

        p.put("mail.smtp.socketFactory.port", "465");

        return p;

    }

    public String[] getReceivers() {

        return receivers;

    }

    public void setReceivers(String[] receivers) {

        this.receivers = receivers;

    }

    public String getMailServerHost() {

        return mailServerHost;

    }

    public void setMailServerHost(String mailServerHost) {

        this.mailServerHost = mailServerHost;

    }

    public String getMailServerPort() {

        return mailServerPort;

    }

    public void setMailServerPort(String mailServerPort) {

        this.mailServerPort = mailServerPort;

    }

    public boolean isValidate() {

        return validate;

    }

    public void setValidate(boolean validate) {

        this.validate = validate;

    }

    public List<Attachment> getAttachmentInfos() {

        return attachmentInfos;

    }

    public void setAttachmentInfos(List<Attachment> attachmentInfos) {

        this.attachmentInfos = attachmentInfos;

    }

    public String getFromAddress() {

        return fromAddress;

    }

    public void setFromAddress(String fromAddress) {

        this.fromAddress = fromAddress;

    }

    public String getPassword() {

        return password;

    }

    public void setPassword(String password) {

        this.password = password;

    }

    public String getUserName() {

        return userName;

    }

    public void setUserName(String userName) {

        this.userName = userName;

    }

    public String getSubject() {

        return subject;

    }

    public void setSubject(String subject) {

        this.subject = subject;

    }

    public String getContent() {

        return content;

    }

    public void setContent(String textContent) {

        this.content = textContent;

    }

}

session是Application中声明的静态全局变量，info也是

package com.email.app;

import java.io.InputStream;

import java.util.ArrayList;

import javax.mail.Session;

import javax.mail.Store;

import com.email.bean.MailInfo;

import android.app.Application;

public class MyApplication extends Application {

    public static Session session = null;

    public static Store getStore() {

        return store;

    }

    public static void setStore(Store store) {

        MyApplication.store = store;

    }

    public static MailInfo info=new MailInfo();

    private static Store store;

    private ArrayList<InputStream> attachmentsInputStreams;

    public ArrayList<InputStream> getAttachmentsInputStreams() {

        return attachmentsInputStreams;

    }

    public void setAttachmentsInputStreams(ArrayList<InputStream> attachmentsInputStreams) {

        this.attachmentsInputStreams = attachmentsInputStreams;

    }

}

参考链接：

JavaMail - qw765811529的专栏 - 博客频道 - CSDN.NET

接收邮箱信息

待续

效果如下

Android实现电子邮箱客户端

Android实现电子邮箱客户端

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