安卓用ContentObserver监听发出的短信的信息日志

效果

代码

package com.javen.devicemange.CrazyOne.content;

import android.Manifest;
import android.database.ContentObserver;
import android.database.Cursor;
import android.net.Uri;
import android.os.Bundle;
import android.os.Handler;
import android.support.annotation.Nullable;
import android.support.v4.app.ActivityCompat;
import android.support.v7.app.AppCompatActivity;
import android.util.Log;
import android.widget.Toast;

import com.javen.devicemange.R;

import java.text.SimpleDateFormat;

/**
* Created by Administrator on 2017/2/17 0017.
* 用ContentObserver监听发出的短信的信息日志
* 需要申请的权限
* <uses-permission android:name="android.permission.READ_SMS"/>
*/

public class MonitorSms extends AppCompatActivity {
@Override
protected void onCreate(@Nullable Bundle savedInstanceState) {
super.onCreate(savedInstanceState);
setContentView(R.layout.monitorsms);
//申请读取短信的权限
requestPermission();
//注册监听器，监听Uri为content://sms的数据改变
getContentResolver().registerContentObserver(Uri.parse("content://sms"), true, new SmsObserver(new Handler()));
}

private void requestPermission() {
String[] needPermissions = {
Manifest.permission.READ_SMS,
};
ActivityCompat.requestPermissions(this, needPermissions, 1);
}

//提供自定义的ContentObserver监听器类
private final class SmsObserver extends ContentObserver {

/**
* Creates a content observer.
*
* @param handler The handler to run {@link #onChange} on, or null if none.
*/
public SmsObserver(Handler handler) {
super(handler);
}

@Override
public void onChange(boolean selfChange) {
super.onChange(selfChange);
//查询发送箱("content://sms/outbox")中的短信(处于正在发送状态的短信放在发送箱)
Cursor cursor = getContentResolver().query(Uri.parse("content://sms/outbox"), null, null, null, null);
//遍历查询得到的结果集，即可获取用户正在发送的短信
while (cursor.moveToNext()) {
StringBuilder stringBuilder = new StringBuilder();
//获取短信的发送地址，如：10086
stringBuilder.append("address=").append(cursor.getString(cursor.getColumnIndex("address")));
//标题
stringBuilder.append(";subject=").append(cursor.getString(cursor.getColumnIndex("subject")));
//内容
stringBuilder.append(";body=").append(cursor.getString(cursor.getColumnIndex("body")));
//发送时间
String dateNumber = cursor.getString(cursor.getColumnIndex("date"));
//把毫秒值的时间值（1487314423408）转换成（2017-02-17 15:02:22）
Long time = Long.valueOf(dateNumber);
Log.d("GsonUtils", "time=" + time);
SimpleDateFormat sdf = new SimpleDateFormat("yyyy-MM-dd HH:mm:ss");
String date = sdf.format(time);
Log.d("GsonUtils", "date=" + date);
stringBuilder.append(";date=").append(date);
Log.d("GsonUtils", "stringBuilder=" + stringBuilder.toString());
//打印发送的短信提示信息
Toast.makeText(MonitorSms.this, "stringBuilder=" + stringBuilder.toString(), Toast.LENGTH_LONG).show();
}
}
}
}

布局xml

<?xml version="1.0" encoding="utf-8"?>
<LinearLayout xmlns:android="http://schemas.android.com/apk/res/android"
android:orientation="vertical"
android:layout_width="match_parent"
android:layout_height="match_parent">

</LinearLayout>