问题
I am having trouble in parsing my XML, I have tried many things.
I have xml like this.
<question id="1" text="Zodiac Sign" >
<option id="1" >Aries</option>
<option id="2" >Taurus</option>
<option id="3" >Gemini</option>
<option id="4" >Cancer</option>
<option id="5" >Leo</option>
<option id="6" >Virgo</option>
<option id="7" >Libra</option>
<option id="8" >Scarpio</option>
<option id="9" >Sagitarius</option>
<option id="10" >Capricorn</option>
<option id="11" >Acqauarius</option>
</question><question id="2" text="Home Town" >
</question><question id="3" text="Current Locaion" >
</question><question id="4" text="Nationality" ></question>
<question id="5" text="Height" ></question>
<question id="6" text="Build(optional)" >
<option id="13" >Slim</option>
<option id="14" >Athletic</option>
<option id="15" >Few Pounds Extra</option>
<option id="16" >Obese</option>
</question><question id="7" text="Hair Color" >
</question><question id="8" text="Color Of Eyes" >
<option id="23" >Black</option>
<option id="24" >Brown</option>
<option id="25" >Blue</option>
</question><question id="9" text="Smoking Habits" >
</question>
I need to get questions and I want to save them in an array and then there are some questions which have options as child tag, I want to add those options in another array with the reference to that question id.
How can I actually parse this xml.?
I have been trying to do this using XMLPullParser
Here is my code, but its not working.
StringBuilder sb = new StringBuilder();
int depth = 1;
while (depth != 0) {
switch (parser.next()) {
case XmlPullParser.END_TAG:
depth--;
if (depth > 0) {
sb.append("</" + parser.getName() + ">");
}
break;
case XmlPullParser.START_TAG:
depth++;
StringBuilder attrs = new StringBuilder();
for (int i = 0; i < parser.getAttributeCount(); i++) {
attrs.append(parser.getAttributeName(i) + "=\""
+ parser.getAttributeValue(i) + "\" ");
}
sb.append("<" + parser.getName() + " " + attrs.toString() + ">");
break;
default:
sb.append(parser.getText());
break;
}
}
payload = sb.toString();
回答1:
I have built my own parser for parsing this xml.
Here is the code
public class ProfileHome extends Activity {
public String id="";
public String text="";
public ArrayList<String>option = new ArrayList<String>();
public String singleoption="";
List<Questions> q;
private Questions question = new Questions();
@Override
protected void onCreate(Bundle savedInstanceState) {
super.onCreate(savedInstanceState);
setContentView(R.layout.profile_home);
String payload = "<question id=\"1\" text=\"Zodiac Sign\" ><option id=\"1\" >Aries</option><option id=\"2\" >Taurus</option><option id=\"3\" >Gemini</option><option id=\"4\" >Cancer</option><option id=\"5\" >Leo</option><option id=\"6\" >Virgo</option><option id=\"7\" >Libra</option><option id=\"8\" >Scarpio</option><option id=\"9\" >Sagitarius</option><option id=\"10\" >Capricorn</option><option id=\"11\" >Acqauarius</option></question><question id=\"2\" text=\"Home Town\" ></question><question id=\"3\" text=\"Current Locaion\" ></question><question id=\"4\" text=\"Nationality\" ></question><question id=\"5\" text=\"Height\" ></question><question id=\"6\" text=\"Build(optional)\" ><option id=\"13\" >Slim</option><option id=\"14\" >Athletic</option><option id=\"15\" >Few Pounds Extra</option><option id=\"16\" >Obese</option></question><question id=\"7\" text=\"Hair Color\" ></question><question id=\"8\" text=\"Color Of Eyes\" ><option id=\"23\" >Black</option><option id=\"24\" >Brown</option><option id=\"25\" >Blue</option></question><question id=\"9\" text=\"Smoking Habits\" ></question>";
q = new ArrayList<Questions>();
if(payload.contains("question"))
{
for(int i=0;i<payload.length();i++)
{
Questions ques = new Questions();
// check if question has come
if(payload.substring(i, i+8).equals("question"))
{
i=i+9;
// check for the id, text and options
for(int k=i;k<payload.length();k++)
{
if(payload.substring(k, k+9).equals("/question"))
{
q.add(ques);
k=k+9;
break;
}else if(payload.substring(k, k+4).equals("id=\""))
{
//get id
for(int j=k+4;j<payload.length();j++)
{
if(payload.substring(j, j+1).equals("\""))
{
ques.setId(id);
id="";
k=j+1;
break;
}else
{
id= id + payload.substring(j, j+1);
}
}
//check for text
}else if(payload.substring(k, k+6).equals("text=\""))
{
for(int j=k+6;j<payload.length();j++)
{
if(payload.substring(j, j+1).equals("\""))
{
ques.setText(text);
id="";
k=j+1;
text="";
break;
}else
{
text= text + payload.substring(j, j+1);
}
}
//check for options
}else if(payload.substring(k, k+11).equals("option id=\""))
{
for(int l=k;l<payload.length();l++)
{
if(payload.substring(k, k+11).equals("</question>"))
{
ques.setOptions(option);
q.add(ques);
k=k+11;
break;
}
//now get all options and their id's
for(int j=k+11;j<payload.length();j++)
{
//get id and text
if(payload.substring(j, j+9).equals("</option>"))
{
option.add(singleoption);
singleoption="";
k=j+9;
break;
}else{
singleoption = singleoption +payload.substring(j,j+1);
}
}
}
}
}
}
}
}
for(int i=0;i<q.size();i++)
{
q.get(i).getText();
q.get(i).getId();
q.get(i).getOptions().toString();
}
}
@Override
public boolean onCreateOptionsMenu(Menu menu) {
// Inflate the menu; this adds items to the action bar if it is present.
getMenuInflater().inflate(R.menu.profile_home, menu);
return true;
}
}
来源：https://stackoverflow.com/questions/22812567/how-can-i-parse-xml-android