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<Uri> imageUris = new ArrayList<Uri>();         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);     } }