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短信备份(xml和json，可更新进度)

2016-04-16 11:33 633 查看 
import java.io.File;
import java.io.FileNotFoundException;
import java.io.FileOutputStream;
import java.io.PrintWriter;

import android.app.Activity;
import android.app.ProgressDialog;
import android.content.Context;
import android.database.Cursor;
import android.net.Uri;
import android.os.Environment;
import android.os.SystemClock;
import android.view.View;
import android.widget.ProgressBar;

/**
* 短信备份和还原的业务类封装
* @author Administrator
*
*/
public class SmsEngine {

public interface BaikeProgress{
/**
* 进度的显示回调
*/
void show();
/**
* @param max
* 回调显示进度的最大值
*/
void setMax(int max);

/**
* 回调显示当前进度
* @param progress
*/
void setProgress(int progress);
/**
* 进度完成的回调
*/
void end();
}
private static class Data{
int progress;
}
/**
*
*/
/**
* 短信的备份
* @param context
* @param pd
*    接口回调备份的数据
*/
public static void smsBaikeJson(Activity context,final BaikeProgress pd){
//1,通过内容提供者获取到短信
Uri uri = Uri.parse("content://sms");
//获取电话记录的联系人游标
final Cursor cursor = context.getContentResolver().query(uri, new String[]{"address","date","body","type"}, null, null, " _id desc");

//2,写到文件中
File file = new File(Environment.getExternalStorageDirectory(),"sms.json");

try {
FileOutputStream fos = new FileOutputStream(file);

PrintWriter out = new PrintWriter(fos);
context.runOnUiThread(new Runnable() {

@Override
public void run() {
// TODO Auto-generated method stub
pd.show();
pd.setMax(cursor.getCount());//设置进度条总进度

}
});

final Data data = new Data();

//写根标记     {"count":"10"
out.println("{\"count\":\"" + cursor.getCount()  + "\"");
// ,"smses":[
out.println(",\"smses\":[");
while (cursor.moveToNext()) {
data.progress ++;
SystemClock.sleep(100);
//取短信
if (cursor.getPosition() == 0) {
out.println("{");
} else {
out.println(",{");
}

//address 封装  "address":"hello"
out.println("\"address\":\"" + cursor.getString(0) + "\"," );
//date 封装
out.println("\"date\":\"" + cursor.getString(1) + "\"," );
//body 封装
out.println("\"body\":\"" + cursor.getString(2) + "\"," );
//type 封装
out.println("\"type\":\"" + cursor.getString(3) + "\"" );

out.println("}");
// 封装成xml标记

context.runOnUiThread(new Runnable() {

@Override
public void run() {
// TODO Auto-generated method stub
pd.setProgress(data.progress);
}
});

}

context.runOnUiThread(new Runnable() {

@Override
public void run() {
// TODO Auto-generated method stub
pd.end();
}
});
//写根标记结束标记
out.println("]}");

out.flush();
out.close();//关闭流
cursor.close();//关闭游标
} catch (Exception e) {
// TODO Auto-generated catch block
e.printStackTrace();
}
}
/**
* 短信的备份
*/
public static void smsBaikeXml(Activity context,final BaikeProgress pd){
//1,通过内容提供者获取到短信
Uri uri = Uri.parse("content://sms");
//获取电话记录的联系人游标
final Cursor cursor = context.getContentResolver().query(uri, new String[]{"address","date","body","type"}, null, null, " _id desc");

//2,写到文件中
File file = new File(Environment.getExternalStorageDirectory(),"sms.xml");

try {
FileOutputStream fos = new FileOutputStream(file);

PrintWriter out = new PrintWriter(fos);
context.runOnUiThread(new Runnable() {

@Override
public void run() {
// TODO Auto-generated method stub
pd.show();
pd.setMax(cursor.getCount());//设置进度条总进度

}
});

final Data data = new Data();

//写根标记
out.println("<smses count='" + cursor.getCount() + "'>");
while (cursor.moveToNext()) {
data.progress ++;
SystemClock.sleep(100);
//取短信
out.println("<sms>");

//address 封装
out.println("<address>" + cursor.getString(0) + "</address>");
//date 封装
out.println("<date>" + cursor.getString(1) + "</date>");
//body 封装
out.println("<body>" + cursor.getString(2) + "</body>");
//type 封装
out.println("<type>" + cursor.getString(3) + "</type>");

out.println("</sms>");
// 封装成xml标记

context.runOnUiThread(new Runnable() {

@Override
public void run() {
// TODO Auto-generated method stub
pd.setProgress(data.progress);
}
});

}

context.runOnUiThread(new Runnable() {

@Override
public void run() {
// TODO Auto-generated method stub
pd.end();
}
});
//写根标记结束标记
out.println("</smses>");

out.flush();
out.close();//关闭流
cursor.close();//关闭游标
} catch (Exception e) {
// TODO Auto-generated catch block
e.printStackTrace();
}
}
}
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