package com.example.myapi.email;import java.util.ArrayList;import java.util.List;import android.content.Context;import android.content.Intent;import android.net.Uri;public class SendEmailUtils {    private SendEmailUtils(){}    private static SendEmailUtils instance;    public static SendEmailUtils getInstance(){        synchronized (SendEmailUtils.class) {            if(instance == null){                instance = new SendEmailUtils();            }        }        return instance;    }    /**     * 这是一个简单的测试，不支持带附件，多人，抄送发送等。     * @param context     */    public void sendEmail(Context context){        Intent intent = new Intent();        intent.setData(Uri.parse("mailto:"));        /*设置邮件的标题*/        intent.putExtra(Intent.EXTRA_SUBJECT, "别紧张，这仅仅是一个测试！");        /*设置邮件的内容*/        intent.putExtra(Intent.EXTRA_TEXT, "测试打开系统邮箱并将发送的标题和内容自动填充到邮箱，并发送邮件，");        //开始调用        context.startActivity(intent);     }    /**     * 发邮件，带抄送，和密送，并带上个附件     * @param context     */    public void sendEmailDuo(Context context){        Intent intent = new Intent(Intent.ACTION_SEND); //        intent.setData(Uri.parse("mailto:"));        String[] tos = { "yw.1@163.com" };         String[] ccs = { "yw.2@163.com" };         String[] bccs = {
   "yw.3@163.com"};         intent.putExtra(Intent.EXTRA_EMAIL, tos); //收件者        intent.putExtra(Intent.EXTRA_CC, ccs); //抄送这        intent.putExtra(Intent.EXTRA_BCC, bccs); //密送这        intent.putExtra(Intent.EXTRA_TEXT, "邮件内容");         intent.putExtra(Intent.EXTRA_SUBJECT, "邮件标题");         intent.putExtra(Intent.EXTRA_STREAM, Uri.parse("file:///mnt/sdcard/a.jpg"));         intent.setType("image/*");         intent.setType("message/rfc882");         Intent.createChooser(intent, "Choose Email Client");         context.startActivity(intent);             }    /**     * 多附件发送     * @param conext     */    public void sendFujian(Context conext){        Intent intent = new Intent(Intent.ACTION_SEND_MULTIPLE);         String[] tos = { "way.ping.li@gmail.com" };         String[] ccs = { "way.ping.li@gmail.com" };         intent.putExtra(Intent.EXTRA_EMAIL, tos);         intent.putExtra(Intent.EXTRA_CC, ccs);         intent.putExtra(Intent.EXTRA_TEXT, "body");         intent.putExtra(Intent.EXTRA_SUBJECT, "subject");         List
     
       imageUris = new ArrayList
      
       ();         imageUris.add(Uri.parse("file:///mnt/sdcard/a.jpg"));         imageUris.add(Uri.parse("file:///mnt/sdcard/b.jpg"));         intent.putExtra(Intent.EXTRA_STREAM, imageUris);        intent.setType("image/*");         intent.setType("message/rfc882");         Intent.createChooser(intent, "Choose Email Client");         conext.startActivity(intent);     }    }
      
     

备注：参考地址