package com.itheima.mobileguard.utils;
import java.io.File;
import java.io.FileNotFoundException;
import java.io.FileOutputStream;
import org.xmlpull.v1.XmlSerializer;
import android.R.integer;
import android.app.ProgressDialog;
import android.content.ContentResolver;
import android.content.Context;
import android.database.Cursor;
import android.net.Uri;
import android.os.Environment;
import android.os.SystemClock;
import android.util.Xml;
import android.widget.ProgressBar;
/**
* ============================================================
*
*
* 创建日期 : 2015-3-3 上午9:15:03
*
* 描 述 :
*
* 短信备份的工具类 修订历史 :
*
* ============================================================
**/
public class SmsUtils {
/**
* 备份短信的接口
* @author Administrator
*
*/
public interface BackUpCallBackSms{
public void befor(int count);
public void onBackUpSms(int process);
}
public static boolean backUp(Context context, BackUpCallBackSms callback) {
/**
* 目的 : 备份短信:
*
* 1 判断当前用户的手机上面是否有sd卡
* 2 权限 ---
* 使用内容观察者
* 3 写短信(写到sd卡)
*
*
*/
if (Environment.getExternalStorageState().equals(
Environment.MEDIA_MOUNTED)) {
ContentResolver resolver = context.getContentResolver();
Uri uri = Uri.parse("content://sms/");
Cursor cursor = resolver.query(uri, new String[] { "address",
"date", "type", "body" }, null, null, null);
int count = cursor.getCount();
callback.befor(count);
int process = 0;
try {
File file = new File(Environment.getExternalStorageDirectory(),
"backup.xml");
FileOutputStream os = new FileOutputStream(file);
XmlSerializer serializer = Xml.newSerializer();
serializer.setOutput(os, "utf-8");
serializer.startDocument("utf-8", true);
serializer.startTag(null, "smss");
serializer.attribute(null, "size", String.valueOf(count));
while (cursor.moveToNext()) {
System.err.println("----------------------------");
System.out.println("address = " + cursor.getString(0));
System.out.println("date = " + cursor.getString(1));
System.out.println("type = " + cursor.getString(2));
System.out.println("body = " + cursor.getString(3));
serializer.startTag(null, "sms");
serializer.startTag(null, "address");
serializer.text(cursor.getString(0));
serializer.endTag(null, "address");
serializer.startTag(null, "date");
serializer.text(cursor.getString(1));
serializer.endTag(null, "date");
serializer.startTag(null, "type");
serializer.text(cursor.getString(2));
serializer.endTag(null, "type");
serializer.startTag(null, "body");
/**
* 加密:第一个参数表示加密种子(密钥)
* 第二个参数表示加密的内容
*/
serializer.text(Crypto.encrypt("123", cursor.getString(3)));
serializer.endTag(null, "body");
serializer.endTag(null, "sms");
process++;
callback.onBackUpSms(process);
SystemClock.sleep(200);
}
cursor.close();
serializer.endTag(null, "smss");
serializer.endDocument();
os.flush();
os.close();
return true;
} catch (Exception e) {
e.printStackTrace();
}
}
return false;
}
}