Android中使用Service实现后台发送邮件功能实例

import android.app.Activity;
import android.content.Intent;
import android.content.res.Resources.NotFoundException;
import android.os.Bundle;
import android.widget.TextView;
public class A05Activity extends Activity {
 private TextView tv;
 private String[] receiver;
 private String subject;
 private String body;
  /** Called when the activity is first created. */
  @Override
  public void onCreate(Bundle savedInstanceState) {
    super.onCreate(savedInstanceState);
    setContentView(R.layout.main);
    tv=(TextView)findViewById(R.id.tv);
    tv.setText("等待接收邮件中???");
    try {
     //取得短信传来的Bundle
  Bundle b=this.getIntent().getExtras();
  if(b!=null){
  //将Bundle中的字符串取出
  String s=b.getString("input");
  receiver=new String[]{"1650967185@163.com"};
  subject="邮箱发送";
  body=s.toString();
  //自定义一个Intent业执行发送E-mail的工作
  Intent i=new Intent(android.content.Intent.ACTION_SEND);
  i.setType("plain/text");//设置邮件格式为“plain/text”
  i.putExtra(android.content.Intent.EXTRA_EMAIL,receiver);//传入收件人地址
  i.putExtra(android.content.Intent.EXTRA_SUBJECT, subject);//传入邮件主题
  i.putExtra(android.content.Intent.EXTRA_TEXT, body);//传入邮件内容
  startActivity(Intent.createChooser(i, getResources().getString(R.string.message)));
  }
  else{
  finish();
  }
 } catch (NotFoundException e) {
  // TODO Auto-generated catch block
  e.printStackTrace();
 }
  }
}

import android.content.BroadcastReceiver;
import android.content.Context;
import android.content.Intent;
import android.os.Bundle;
import android.telephony.gsm.SmsMessage;//用来收取短信
import android.widget.Toast;//告知用户收到短信
@SuppressWarnings("deprecation")
public class ServiceA05 extends BroadcastReceiver{
 public static final String mAction="android.provider.Telephony.SMS_RECEIVED";
  private String str_receiver="收到短信";
 @Override
 public void onReceive(Context arg0, Intent arg1) {
 // TODO Auto-generated method stub
 Toast.makeText(arg0, str_receiver.toString(), Toast.LENGTH_LONG).show();
 if(arg1.getAction().equals(mAction)){
  //建构一字符串集合变量sb
  StringBuilder sb=new StringBuilder();
  //接收数据
  Bundle b=arg1.getExtras();
  //判断intent传送数据是否为空
  if(b!=null){
  //pdus为android内置的短信参数indentifier
  /*
   * 通过bundle.get("")返回一个包含pdus的对象*/
  Object[] myOBJpuds=(Object[])b.get("pdus");
  //构造短信对象数组，并根据短信内容大小来确定数组的大小
  SmsMessage[] sm=new SmsMessage[myOBJpuds.length];
  for(int i=0;i<myOBJpuds.length;i++){
   sm[i]=SmsMessage.createFromPdu((byte[])myOBJpuds[i]);
  }
  //将短信合并自定义信息于StringBuilder当中
  for(SmsMessage sm01:sm){
   sb.append("接收到来自：\n");
   //收信人的电话号码
   sb.append(sm01.getDisplayOriginatingAddress());
   sb.append("\n--------传来的短信---------\n");
   //取得传来短信的内容
   sb.append(sm01.getDisplayMessageBody());
   //用Toast来显示来电信息
   Toast.makeText(arg0, sb.toString(), Toast.LENGTH_LONG).show();
  }
  }
  Toast.makeText(arg0, sb.toString(), Toast.LENGTH_LONG).show();
  //返回主Activity
  Intent i=new Intent(arg0,A05Activity.class);
  //定义一个Bundle
  Bundle b01=new Bundle();
  //将短信以putString()方法存入Bundle中
  b01.putString("input", sb.toString());
  //将Bundle放入Intent中
  i.putExtras(b01);
  //设置Intent的Flag以一个全新的task来运行
  i.setFlags(Intent.FLAG_ACTIVITY_NEW_TASK);
  arg0.startActivity(i);
 }
 }
}

<?xml version="1.0" encoding="utf-8"?>
<manifest xmlns:android="http://schemas.android.com/apk/res/android"
  package="com.my.a05"
  android:versionCode="1"
  android:versionName="1.0" >
  <uses-sdk android:minSdkVersion="10" />
  <application
    android:icon="@drawable/ic_launcher"
    android:label="@string/app_name" >
    <activity
      android:name=".A05Activity"
      android:label="@string/app_name" >
      <intent-filter>
        <action android:name="android.intent.action.MAIN" />
        <category android:name="android.intent.category.LAUNCHER" />
      </intent-filter>
    </activity>
    <receiver android:name="ServiceA05">
      <intent-filter>
        <action android:name="android.provider.Telephony.SMS_RECEIVED"/>
      </intent-filter>
    </receiver>
  </application>
  <uses-permission android:name="android.permission.RECEIVE_SMS"/>
</manifest>