Xmlpullparser (Android recommended)

Add an XML file Xmlpullparser

 PackageCom.it.heima.review;ImportJava.io.File;Importjava.io.FileNotFoundException;ImportJava.io.FileOutputStream;ImportJava.io.OutputStream;ImportOrg.xmlpull.v1.XmlSerializer;ImportAndroid. R.xml;ImportAndroid.os.Bundle;Importandroid.app.Activity;Importandroid.text.TextUtils;Importandroid.util.Xml;ImportAndroid.view.Menu;ImportAndroid.view.View;ImportAndroid.view.View.OnClickListener;ImportAndroid.widget.Button;ImportAndroid.widget.EditText;ImportAndroid.widget.RadioGroup;ImportAndroid.widget.Toast; Public classMainactivityextendsActivity {PrivateEditText Ed_ssname; PrivateRadiogroup RGB; PrivateButton Btnbutton; @Overrideprotected voidonCreate (Bundle savedinstancestate) {Super. OnCreate (savedinstancestate);        Setcontentview (R.layout.activity_main); Btnbutton=(Button) Findviewbyid (R.id.btnsave); Ed_ssname=(EditText) Findviewbyid (r.id.ed_name); RGB=(Radiogroup) Findviewbyid (R.ID.RGB); Btnbutton.setonclicklistener (NewOnclicklistener () {@Override Public voidOnClick (View v) {//TODO auto-generated Method StubString Studentname =Ed_ssname.gettext (). toString (). Trim ();                String sex; if(Textutils.isempty (studentname)) {Toast.maketext (Getapplicationcontext (),"SSSs", 0); } Else {                    intID =Rgb.getcheckedradiobuttonid (); if(id = =r.id.male) {sex= "Male"; } Else{Sex= "female"; } File File=NewFile (Getfilesdir (), Studentname + ". Xml"); Try{OutputStream out=Newfileoutputstream (file); XmlSerializer Serializer=Xml.newserializer (); Serializer.setoutput (out,"Utf-8"); Serializer.startdocument ("Utf-8",true); Serializer.starttag (NULL, "name");                        Serializer.text (Studentname); Serializer.endtag (NULL, "name"); Serializer.starttag (NULL, "Sex");                        Serializer.text (Sex); Serializer.endtag (NULL, "Sex");                        Serializer.enddocument (); Toast.maketext (Getapplicationcontext (),"Sucess", 0); } Catch(Exception e) {//TODO auto-generated Catch blockE.printstacktrace ();    }                }            }        }); }}

Analytical

 PackageCom.itheima.pullparser;Importjava.io.IOException;ImportJava.io.InputStream;ImportOrg.xmlpull.v1.XmlPullParser;Importorg.xmlpull.v1.XmlPullParserException;Importcom.itheima.pullparser.domain.Product;ImportAndroid.os.Bundle;Importandroid.app.Activity;Importandroid.util.Xml;ImportAndroid.view.Menu; Public classMainactivityextendsActivity {@Overrideprotected voidonCreate (Bundle savedinstancestate) {Super. OnCreate (savedinstancestate);                Setcontentview (R.layout.activity_main); //using the XML pull parser to parse the contents of an XML file//XmlXmlpullparser Pullparser =Xml.newpullparser (); Try{InputStream in= Getassets (). Open ("Result.xml"); //What is the source of the parsing??? ---result.xmlPullparser.setinput (In, "GBK"); //get the type of an event            intEventType =Pullparser.geteventtype ();/*<?xml version= "1.0" encoding= "GBK"?><smartresult> <product type= "mobile" > <phonenum> 13512345678</phonenum> <location> Chongqing Mobile Shenzhou Line card </location> <phoneJx> gains, gaudy, must be anti-robbery money, the beginning to protect the auspicious belt fierce < /phonejx> </product></smartresult> **/Product P=NULL;  while(eventtype!=xmlpullparser.end_document) {                                if(eventtype==Xmlpullparser.start_tag) {                                        //determines whether the start of an element, as long as it is the beginning of an element, will enter here//gets the name of the element that is currently resolved to                    if("Product". Equals (Pullparser.getname ())) {P=NewProduct (); //Sax Parsing//prepare an instance of the product class to encapsulate the dataString type = pullparser.getattributevalue (0);                    P.settype (type); }Else if("Phonenum". Equals (Pullparser.getname ())) {                                                //Get 13512345678//<phonenum>13512345678</phonenum>String Phonenum =Pullparser.nexttext ();                    P.setphonenum (Phonenum); }Else if("Location". Equals (Pullparser.getname ())) {                                                //<location> Chongqing Mobile Shenzhou line card </location>String location =Pullparser.nexttext ();                    P.setlocation (location); }Else if("PHONEJX". Equals (Pullparser.getname ())) {                        //<phoneJx> gains, gaudy, must be anti-robbery money, the beginning of the Peace Ji belt fierce </phoneJx>String PHONEJX =Pullparser.nexttext ();                        Pullparser.gettext ();                    P.SETPHONEJX (PHONEJX); }                }                //manual Nudge "pointer"EventType =Pullparser.next (); }                        if(p!=NULL) {System.out.println (p.tostring ()); }                    } Catch(Exception e) {e.printstacktrace (); }                    }}

Xmlpullparser (Android recommended)