本文实例讲述了Android中使用Service实现后台发送邮件功能。分享给大家供大家参考,具体如下:
程序如下:
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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();
}
}
}
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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);
}
}
}
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AndroidManifest.xml如下:
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<? 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 >
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在android中注册一个BroadcastReceiver,并设置这个receiver的intent-filter(Android.provider.Telephony.SMS_RECEIVED),让它针对短信事件做出反应。并且还要添加一个权限:android.permission.RECEIVE_SMS。
希望本文所述对大家Android程序设计有所帮助。