好，我们上一次讲了那个短信的备份的，既然有备份，那肯定也要有个还原的啦，今天我们就把那个还原的做一下
其实很简单的，就是把我们上一次备份的xml解析出来，然后写回到数据库里面而已
我们现在就开始写代码，先在上一次的com.xiaobin.security.engine.SmsService里面增加一个方法
package com.xiaobin.security.engine;import java.io.File;import java.io.FileInputStream;import java.util.ArrayList;import java.util.List;import org.xmlpull.v1.XmlPullParser;import android.app.ProgressDialog;import android.content.ContentResolver;import android.content.ContentValues;import android.content.Context;import android.database.Cursor;import android.net.Uri;import android.util.Xml;import com.xiaobin.security.domain.SmsInfo;public class SmsService{ private Context context; public SmsService(Context context) { this.context = context; } public List<SmsInfo> getSmsInfo() { List<SmsInfo> infos = new ArrayList<SmsInfo>(); ContentResolver resolver = context.getContentResolver(); Uri uri = Uri.parse("content://sms/"); Cursor cursor = resolver.query(uri, new String[] {"_id", "address", "date", "type", "body"}, null, null, " date desc "); SmsInfo info; while(cursor.moveToNext()) { info = new SmsInfo(); String id = cursor.getString(0); String address = cursor.getString(1); String date = cursor.getString(2); int type = cursor.getInt(3); String body = cursor.getString(4); info.setId(id); info.setAddress(address); info.setDate(date); info.setType(type); info.setBody(body); infos.add(info); } cursor.close(); return infos; } //还原短信 path为文件路径 public void restore(String path, ProgressDialog pd) throws Exception { File file = new File(path); FileInputStream fis = new FileInputStream(file); XmlPullParser parser = Xml.newPullParser(); ContentValues values = null; parser.setInput(fis, "utf-8"); int type = parser.getEventType(); int index = 0; while(type != XmlPullParser.END_DOCUMENT) { switch(type) { case XmlPullParser.START_TAG : if("count".equals(parser.getName())) { int count = Integer.parseInt(parser.nextText()); pd.setMax(count); } if("sms".equals(parser.getName())) { values = new ContentValues(); } else if("address".equals(parser.getName())) { values.put("address", parser.nextText()); } else if("date".equals(parser.getName())) { values.put("date", parser.nextText()); } else if("type".equals(parser.getName())) { values.put("type", parser.nextText()); } else if("body".equals(parser.getName())) { values.put("body", parser.nextText()); } break; case XmlPullParser.END_TAG : if("sms".equals(parser.getName())) { ContentResolver resolver = context.getContentResolver(); resolver.insert(Uri.parse("content://sms/"), values); values = null; index++; pd.setProgress(index); } break; default : break; } type = parser.next(); } }}因为恢复短信这个操作是非常重要的，如果恢复有问题，那么就有可能造成用户的数据丢失了，所以我们加了一个对话框，让用户不用取消，直到恢复完成为止
现在恢复短信的方法就写好啦，我们现在就要回到com.xiaobin.security.ui.AToolActivity这个类里面了，为短信恢复这个条目添加相应的事件还有方法啦
因为短信恢复是一个非常耗时的操作，所以我们就开启一个线程来运行它的
com.xiaobin.security.ui.AToolActivity
package com.xiaobin.security.ui;import java.io.File;import android.annotation.SuppressLint;import android.app.Activity;import android.app.AlertDialog;import android.app.ProgressDialog;import android.content.Context;import android.content.DialogInterface;import android.content.Intent;import android.content.SharedPreferences;import android.content.SharedPreferences.Editor;import android.graphics.Color;import android.os.Bundle;import android.os.Environment;import android.os.Handler;import android.os.Looper;import android.os.Message;import android.view.View;import android.view.View.OnClickListener;import android.widget.CheckBox;import android.widget.CompoundButton;import android.widget.CompoundButton.OnCheckedChangeListener;import android.widget.TextView;import android.widget.Toast;import com.xiaobin.security.R;import com.xiaobin.security.engine.DownloadTask;import com.xiaobin.security.engine.SmsService;import com.xiaobin.security.service.AddressService;import com.xiaobin.security.service.BackupSmsService;public class AToolActivity extends Activity implements OnClickListener{ private static final int ERROR = 0; private static final int SUCCESS = 1; private TextView tv_atool_query; private TextView tv_atool_number_service_state; private CheckBox cb_atool_state; private TextView tv_atool_select_bg; private TextView tv_atool_change_location; private TextView tv_atool_number_security; private TextView tv_atool_sms_backup; private TextView tv_atool_sms_restore; private Intent serviceIntent; private ProgressDialog pd; private SharedPreferences sp; @SuppressLint("HandlerLeak") private Handler handler = new Handler() { public void handleMessage(Message msg) { switch(msg.what) { case ERROR : Toast.makeText(AToolActivity.this, "下载数据库失败，请检查网络！", Toast.LENGTH_SHORT).show(); break; case SUCCESS : Toast.makeText(AToolActivity.this, "数据库下载成功！", Toast.LENGTH_SHORT).show(); break; default : break; } } }; @Override protected void onCreate(Bundle savedInstanceState) { super.onCreate(savedInstanceState); setContentView(R.layout.atool); sp = getSharedPreferences("config", Context.MODE_PRIVATE); tv_atool_query = (TextView) findViewById(R.id.tv_atool_query); tv_atool_query.setOnClickListener(this); tv_atool_select_bg = (TextView) findViewById(R.id.tv_atool_select_bg); tv_atool_select_bg.setOnClickListener(this); tv_atool_change_location = (TextView) findViewById(R.id.tv_atool_change_location); tv_atool_change_location.setOnClickListener(this); tv_atool_number_security = (TextView) findViewById(R.id.tv_atool_number_security); tv_atool_number_security.setOnClickListener(this); tv_atool_sms_backup = (TextView) findViewById(R.id.tv_atool_sms_backup); tv_atool_sms_backup.setOnClickListener(this); tv_atool_sms_restore = (TextView) findViewById(R.id.tv_atool_sms_restore); tv_atool_sms_restore.setOnClickListener(this); tv_atool_number_service_state = (TextView) findViewById(R.id.tv_atool_number_service_state); cb_atool_state = (CheckBox) findViewById(R.id.cb_atool_state); serviceIntent = new Intent(this, AddressService.class); cb_atool_state.setOnCheckedChangeListener(new OnCheckedChangeListener() { @Override public void onCheckedChanged(CompoundButton buttonView, boolean isChecked) { if(isChecked) { startService(serviceIntent); tv_atool_number_service_state.setTextColor(Color.BLACK); tv_atool_number_service_state.setText("归属地服务已开启"); } else { stopService(serviceIntent); tv_atool_number_service_state.setTextColor(Color.RED); tv_atool_number_service_state.setText(R.string.number_service_state); } } }); } @Override public void onClick(View v) { switch(v.getId()) { case R.id.tv_atool_query : query(); break; case R.id.tv_atool_select_bg : selectStyle(); break; case R.id.tv_atool_change_location : Intent intent = new Intent(this, DragViewActivity.class); startActivity(intent); break; case R.id.tv_atool_number_security : Intent i = new Intent(this, NumberSecurityActivity.class); startActivity(i); break; case R.id.tv_atool_sms_backup : Intent backupIntent = new Intent(this, BackupSmsService.class); startService(backupIntent); break; case R.id.tv_atool_sms_restore : restore(); break; default : break; } } private void query() { if(isDBExist()) { Intent intent = new Intent(this, QueryNumberActivity.class); startActivity(intent); } else { //提示用户下载数据库 pd = new ProgressDialog(this); pd.setMessage("正在下载数据库..."); pd.setProgressStyle(ProgressDialog.STYLE_HORIZONTAL); pd.setCancelable(false); pd.show(); new Thread() { public void run() { String path = getResources().getString(R.string.serverdb); File dir = new File(Environment.getExternalStorageDirectory(), "/security/db"); if(!dir.exists()) { dir.mkdirs(); } String dbPath = Environment.getExternalStorageDirectory() + "/security/db/data.db"; try { //这个类，我们在做更新apk的时候已经写好的啦，现在直接拿过来用就可以啦 DownloadTask.getFile(path, dbPath, pd); pd.dismiss(); } catch (Exception e) { e.printStackTrace(); pd.dismiss(); Message message = new Message(); message.what = ERROR; handler.sendMessage(message); } }; }.start(); } } private boolean isDBExist() { if(Environment.getExternalStorageState().equals(Environment.MEDIA_MOUNTED)) { File file = new File(Environment.getExternalStorageDirectory() + "/security/db/data.db"); if(file.exists()) { return true; } } return false; } private void selectStyle() { AlertDialog.Builder builder = new AlertDialog.Builder(this); builder.setTitle("归属地显示风格"); String[] items = new String[] {"半透明", "活力橙", "苹果绿", "孔雀蓝", "金属灰"}; builder.setSingleChoiceItems(items, 0, new DialogInterface.OnClickListener() { @Override public void onClick(DialogInterface dialog, int which) { Editor editor = sp.edit(); editor.putInt("background", which); editor.commit(); } }); builder.setPositiveButton(android.R.string.ok, new DialogInterface.OnClickListener() { @Override public void onClick(DialogInterface dialog, int which) { } }); builder.create().show(); } private void restore() { final ProgressDialog pd = new ProgressDialog(this); pd.setTitle("还原短信"); pd.setMessage("正在还原短信..."); pd.setCancelable(false); pd.setProgressStyle(ProgressDialog.STYLE_HORIZONTAL); pd.show(); final SmsService smsService = new SmsService(this); new Thread() { public void run() { try { smsService.restore(Environment.getExternalStorageDirectory() + "/security/backup/smsbackup.xml", pd); pd.dismiss(); Looper.prepare();//创建一个Looper Toast.makeText(getApplicationContext(), "还原成功", Toast.LENGTH_SHORT).show(); Looper.loop();//轮循一次Looper } catch (Exception e) { e.printStackTrace(); Looper.prepare();//创建一个Looper Toast.makeText(getApplicationContext(), "还原失败", Toast.LENGTH_SHORT).show(); Looper.loop();//轮循一次Looper } } }.start(); }}好啦，恢复短信的操作到这里，也完成啦
今天源码下载