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MainActivity如下:

package cc.testsmslistener;import cc.testsmslistener.SMSContentObserver.MessageListener;import android.net.Uri;import android.os.Bundle;import android.os.Handler;import android.widget.TextView;import android.app.Activity;/** * Demo描述: * 利用ContentObserver实现短信查询 *  * 注意权限: * 
    * */public class MainActivity extends Activity {	private TextView mTextView;	//所有短信	public static final String URI = "content://sms/";	@Override	protected void onCreate(Bundle savedInstanceState) {		super.onCreate(savedInstanceState);		setContentView(R.layout.main);		init();	}			private void init() {		mTextView=(TextView) findViewById(R.id.textView);				//注册内容观察者		SMSContentObserver smsContentObserver = 	    new SMSContentObserver(new Handler(),this);				this.getContentResolver().registerContentObserver		(Uri.parse(URI), true, smsContentObserver);				//回调		smsContentObserver.setOnReceivedMessageListener(new MessageListener() {			@Override			public void OnReceived(String message) {				mTextView.setText(message);			}		});	}}

package cc.testsmslistener;import java.util.ArrayList;import java.util.List;import android.app.Activity;import android.database.ContentObserver;import android.database.Cursor;import android.net.Uri;import android.os.Handler;public class SMSContentObserver extends ContentObserver {	//所有短信	public static final String SMS_URI_ALL = "content://sms/";	//收件箱短信	public static final String SMS_URI_INBOX = "content://sms/inbox";	 //发件箱短信	public static final String SMS_URI_SEND = "content://sms/sent";	//草稿箱短信	public static final String SMS_URI_DRAFT = "content://sms/draft";		private Activity mActivity;	private List
   
     mSmsInfoList;	private MessageListener mMessageListener;		public SMSContentObserver(Handler handler, Activity activity) {		super(handler);		this.mActivity = activity;	}	@Override	public void onChange(boolean selfChange) {		super.onChange(selfChange);		Uri uri = Uri.parse(SMS_URI_INBOX);		mSmsInfoList = this.getSmsInfo(uri,mActivity);		mMessageListener.OnReceived(mSmsInfoList.get(0).getSmsbody());		System.out.println("Message content is:"+mSmsInfoList.get(0).getSmsbody());		System.out.println("Message info is:"+mSmsInfoList.get(0));	}		/**	 * 注意:	 * 该处只用按照时间降序取出第一条即可	 * 这条当然是最新收到的消息	 */	private List
    
      getSmsInfo(Uri uri,Activity activity){		List
     
       smsInfoList=new ArrayList
      
       ();		String[] projection = new String[] { "_id", "address", "person","body", "date", "type" };		Cursor cusor = activity.managedQuery(uri, projection, null, null,"date desc limit 1");		int nameColumn = cusor.getColumnIndex("person");		int phoneNumberColumn = cusor.getColumnIndex("address");		int smsbodyColumn = cusor.getColumnIndex("body");		int dateColumn = cusor.getColumnIndex("date");		int typeColumn = cusor.getColumnIndex("type");		if (cusor != null) {			while (cusor.moveToNext()) {				SmsInfo smsinfo = new SmsInfo();				smsinfo.setName(cusor.getString(nameColumn));				smsinfo.setDate(cusor.getString(dateColumn));				smsinfo.setPhoneNumber(cusor.getString(phoneNumberColumn));				smsinfo.setSmsbody(cusor.getString(smsbodyColumn));				smsinfo.setType(cusor.getString(typeColumn));				smsInfoList.add(smsinfo);			}			cusor.close();		}		System.out.println("smsInfoList.size()="+smsInfoList.size());		return smsInfoList;	}				// 回调接口	public interface MessageListener {		public void OnReceived(String message);	}	public void setOnReceivedMessageListener(			MessageListener messageListener) {		this.mMessageListener=messageListener;	}}
      
     
    
   

package cc.testsmslistener;public class SmsInfo {    //短信内容	private String smsbody;	//发送短信的电话号码	private String phoneNumber;	//发送短信时间	private String date;	//发送短信人的姓名	private String name;	//短信类型1是接收到的,2是已发出	private String type;	public String getSmsbody() {		return smsbody;	}	public void setSmsbody(String smsbody) {		this.smsbody = smsbody;	}	public String getPhoneNumber() {		return phoneNumber;	}	public void setPhoneNumber(String phoneNumber) {		this.phoneNumber = phoneNumber;	}	public String getDate() {		return date;	}	public void setDate(String date) {		this.date = date;	}	public String getName() {		return name;	}	public void setName(String name) {		this.name = name;	}	public String getType() {		return type;	}	public void setType(String type) {		this.type = type;	}	@Override	public String toString() {		return "SmsInfo [smsbody=" + smsbody + ", phoneNumber=" + phoneNumber				+ ", date=" + date + ", name=" + name + ", type=" + type + "]";	}		}

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