在程序内部注册和反注册服务-一个接受短信的例子
请注意下面程序中的黑体部分：
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package irdc.EX06_05;
import android.app.Activity;
import android.content.BroadcastReceiver;
import android.content.Context;
import android.content.Intent;
import android.content.IntentFilter;
import android.os.Bundle;
import android.telephony.SmsMessage;
import android.widget.TextView;
import android.widget.Toast;
public class EX06_05 extends Activity
{
? /*声明一个TextView,String阵在与两个文字字符串变量*/
? private TextView mTextView1;
? public String[] strEmailReciver;
? public String strEmailSubject;
? public String strEmailBody;
? /* 系统接收短信的广播ACTION常数 */
? private static final String HIPPO_SMS_ACTION = "android.provider.Telephony.SMS_RECEIVED";
? private mSMSReceiver mReceiver01;
?
? /** Called when the activity is first created. */
? @Override
? public void onCreate(Bundle savedInstanceState)
? {
??? super.onCreate(savedInstanceState);
??? setContentView(R.layout.main);
???
??? /*透过findViewById构造巳建立TextView对象*/
??? mTextView1 = (TextView) findViewById(R.id.myTextView1);
??? mTextView1.setText("等待接收短信...");
???
? }
?
? public class mSMSReceiver extends BroadcastReceiver
? {
??? /*声明静态字符串,并使用android.provider.Telephony.SMS_RECEIVED作为Action为短信的依据*/
??? private static final String mACTION = "android.provider.Telephony.SMS_RECEIVED";
??? private String str_receive="收到短信!";
??? private String strRet = "";
???
??? @Override
??? public void onReceive(Context context, Intent intent)
??? {
????? // TODO Auto-generated method stub
????? Toast.makeText(context, str_receive.toString(), Toast.LENGTH_LONG).show();
????? /*判断传来Intent是否为短信*/
????? if (intent.getAction().equals(mACTION))
????? {
??????? /*构造一个字符串变量sb*/
??????? StringBuilder sb = new StringBuilder();
??????? /*接收由Intent传来的数据*/
??????? Bundle bundle = intent.getExtras();
??????? /*判断Intent是有资料*/
??????? if (bundle != null)
??????? {
????????? /* pdus为 android内建短信参数 identifier
?????????? * 透过bundle.get("")并传pdus的对象*/
????????? Object[] myOBJpdus = (Object[]) bundle.get("pdus");
?????????
????????? /*构造短信对象array,并依据收到的对象长度来建立array的己弋*/
????????? SmsMessage[] messages = new SmsMessage[myOBJpdus.length];?
?????????
????????? for (int i = 0; i<myOBJpdus.length; i++)
????????? {?
??????????? messages[i] = SmsMessage.createFromPdu ((byte[]) myOBJpdus[i]);?
????????? }
?????????
????????? strRet = "";
????????? /* 将送来的短信安并自定义信息在StringBuilder当中 */?
????????? for (SmsMessage currentMessage : messages)
????????? {
??????????? strRet = "接收到来自:"+currentMessage.getDisplayOriginatingAddress()+" 传来的短信"+currentMessage.getDisplayMessageBody();
??????????? sb.append("接收到来自:\n");?
??????????? /* 发信人的电话号码 */
??????????? sb.append(currentMessage.getDisplayOriginatingAddress());?
??????????? sb.append("\n------传来的短信------\n");?
??????????? /* 取得传来短信的BODY */?
??????????? sb.append(currentMessage.getDisplayMessageBody());
????????? }?
??????? }??????
??????? /* 以Notification(Toase)显示短信内容? */
??????? Toast.makeText(context, sb.toString(), Toast.LENGTH_LONG).show();
???????
??????? /*自定义Intent来执行寄送E-mail的实现*/
??????? Intent mEmailIntent = new Intent(android.content.Intent.ACTION_SEND);?
??????? /*设定邮件格式为"plain/text"*/
??????? mEmailIntent.setType("plain/text");
???????
??????? /*取得EditText01,02,03,04的值作为收件,附件,主题,内容*/
??????? String strEmailReciver = "jay.mingchieh@gmail.com";
??????? String strEmailSubject = "有几条短信!!";
???????
??????? /*将取得的?串放丈mEmailIntent中*/
??????? mEmailIntent.putExtra(android.content.Intent.EXTRA_EMAIL, strEmailReciver);
??????? mEmailIntent.putExtra(android.content.Intent.EXTRA_SUBJECT, strEmailSubject);
??????? mEmailIntent.putExtra(android.content.Intent.EXTRA_TEXT, strRet);
??????? context.startActivity(Intent.createChooser(mEmailIntent, getResources().getString(R.string.str_message)));
??????? mTextView1.setText(getResources().getString(R.string.str_message));
????? }
??? }
? }
? @Override
? protected void onPause()
? {
??? // TODO Auto-generated method stub
??? super.onPause();
??? unregisterReceiver(mReceiver01);
? }
?
? @Override
? protected void onResume()
? {
??? // TODO Auto-generated method stub
??? IntentFilter mFilter01;
??? mFilter01 = new IntentFilter(HIPPO_SMS_ACTION);
??? mReceiver01 = new mSMSReceiver();
??? registerReceiver(mReceiver01, mFilter01);
??? super.onResume();
? }
?
}
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