<Relativelayoutxmlns:android= "Http://schemas.android.com/apk/res/android"Xmlns:tools= "Http://schemas.android.com/tools"Android:layout_width= "Match_parent"Android:layout_height= "Match_parent"Android:paddingbottom= "@dimen/activity_vertical_margin"Android:paddingleft= "@dimen/activity_horizontal_margin"Android:paddingright= "@dimen/activity_horizontal_margin"Android:paddingtop= "@dimen/activity_vertical_margin"Tools:context= "Com.example.generatexml.MainActivity" > <ButtonAndroid:layout_width= "Wrap_content"Android:layout_height= "Wrap_content"Android:text= "SMS Backup 1"Android:id= "@+id/btn1"Android:onclick= "BackupSms1" /> <ButtonAndroid:layout_width= "Wrap_content"Android:layout_height= "Wrap_content"Android:text= "SMS Backup 2"Android:layout_below= "@id/btn1"Android:onclick= "BackupSms2" /></Relativelayout>
PackageCom.example.generatexml;ImportJava.io.File;ImportJava.io.FileOutputStream;Importjava.util.ArrayList;Importjava.util.List;ImportOrg.xmlpull.v1.XmlSerializer;ImportAndroid.os.Bundle;Importandroid.os.Environment;Importandroid.support.v7.app.ActionBarActivity;Importandroid.util.Xml;ImportAndroid.view.Menu;ImportAndroid.view.MenuItem;ImportAndroid.view.View;ImportAndroid.widget.Toast;ImportCom.example.generatexml.domain.SmsInfo; Public classMainactivityextendsactionbaractivity {PrivateList<smsinfo>list; @Overrideprotected voidonCreate (Bundle savedinstancestate) {Super. OnCreate (savedinstancestate); Setcontentview (R.layout.activity_main); List=NewArraylist<smsinfo>(); LongPhone = 1880075555; for(inti=0;i<10;i++) {Smsinfo info=NewSmsinfo (i, System.currenttimemillis (), "< SMS Content" +i,phone+i+ ", i/2+1); List.add (info); } } Public voidbackupSms1 (View v) {Try{File File=NewFile (Environment.getexternalstoragedirectory (), "Backup1.xml"); FileOutputStream Fos=Newfileoutputstream (file); StringBuffer SB=NewStringBuffer (); Sb.append ("<?xml version=\" 1.0\ "encoding=\" utf-8\ "?>"); Sb.append ("<smss>"); for(Smsinfo s:list) {sb.append ("<sms>"); Sb.append ("<body>" +s.getbody () + "</body>"); Sb.append ("<type>" +s.gettype () + "</type>"); Sb.append ("<addr>" +s.getaddr () + "</addr>"); Sb.append ("<date>" +s.getdate () + "</date>"); Sb.append ("</sms>"); } sb.append ("</smss>"); Fos.write (Sb.tostring (). GetBytes ()); Fos.close (); Toast.maketext ( This, "saved successfully", 0). Show (); } Catch(Exception e) {e.printstacktrace (); Toast.maketext ( This, "Save Failed", 0). Show (); } } Public voidBackupSms2 (View v) {Try{XmlSerializer ser=Xml.newserializer (); File File=NewFile (Environment.getexternalstoragedirectory (), "Backup2.xml"); FileOutputStream OS=Newfileoutputstream (file); Ser.setoutput (OS,"Utf-8"); Ser.startdocument ("Utf-8",true); Ser.starttag (NULL, "SMSs"); for(Smsinfo s:list) {Ser.starttag (NULL, "SMS"); Ser.attribute (NULL, "id", S.getid () + ""); Ser.starttag (NULL, "Body"); Ser.text (S.getbody ()); Ser.endtag (NULL, "Body"); Ser.starttag (NULL, "type"); Ser.text (S.gettype ()+""); Ser.endtag (NULL, "type"); Ser.starttag (NULL, "addr"); Ser.text (S.getaddr ()); Ser.endtag (NULL, "addr"); Ser.starttag (NULL, "Date"); Ser.text (S.getdate ()+""); Ser.endtag (NULL, "Date"); Ser.endtag (NULL, "SMS"); } Ser.endtag (NULL, "SMSs"); Ser.enddocument (); Os.close (); Toast.maketext ( This, "saved successfully", 0). Show (); } Catch(Exception e) {e.printstacktrace (); Toast.maketext ( This, "Save Failed", 0). Show (); } }}
Android generates an XML file
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