HttpUtils解析xml数据
2016-06-01 11:28
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public class MainActivity extends Activity implements IXListViewListener {
private HttpUtils utils;
private List<Bean> list;
private int index = 0;
private String url = "http://www.oschina.net/action/api/tweet_list?pageIndex=";
private MyAdapter adapter;
private Bean bean;
@Override
protected void onCreate(Bundle savedInstanceState) {
super.onCreate(savedInstanceState);
setContentView(R.layout.activity_main);
utils = new HttpUtils();
list = new ArrayList<Bean>();
initData();
}
private void setAdapter(){
if(adapter==null){
adapter = new MyAdapter(this,list);
lv.setAdapter(adapter);
}else{
adapter.notifyDataSetInvalidated();
}
}
private void initData() {
utils.send(HttpMethod.GET, url + (index++),
new RequestCallBack<String>() {
@Override
public void onFailure(HttpException arg0, String arg1) {
Toast.makeText(MainActivity.this, "请求失败", 0).show();
}
@Override
public void onSuccess(ResponseInfo<String> arg0) {
String string = arg0.result;
ByteArrayInputStream inputstream = new ByteArrayInputStream(
string.getBytes());
XmlPullParser parser = Xml.newPullParser();
try {
parser.setInput(inputstream, "utf-8");
int type = parser.getEventType();
while (type != XmlPullParser.END_DOCUMENT) {
String name = parser.getName();
switch (type) {
case XmlPullParser.START_TAG:
if ("tweet".equals(name)) {
bean = new Bean();
} else if ("id".equals(name)) {
bean.id = Integer.parseInt(parser
.nextText());
} else if ("portrait".equals(name)) {
bean.portrait = parser.nextText();
} else if ("author".equals(name)) {
bean.author = parser.nextText();
} else if ("body".equals(name)) {
bean.body = parser.nextText();
} else if ("pubDate".equals(name)) {
bean.pubDate = parser.nextText();
} else if ("imgSmall".equals(name)) {
bean.imgSmall = parser.nextText();
} else if ("imgBig".equals(name)) {
bean.imgBig = parser.nextText();
}
break;
case XmlPullParser.END_TAG:
if ("tweet".equals(name)) {
list.add(bean);
bean = null;
}
break;
}
type = parser.next();
}
} catch (Exception e) {
e.printStackTrace();
}
setAdapter();
}
});
}
}
private HttpUtils utils;
private List<Bean> list;
private int index = 0;
private String url = "http://www.oschina.net/action/api/tweet_list?pageIndex=";
private MyAdapter adapter;
private Bean bean;
@Override
protected void onCreate(Bundle savedInstanceState) {
super.onCreate(savedInstanceState);
setContentView(R.layout.activity_main);
utils = new HttpUtils();
list = new ArrayList<Bean>();
initData();
}
private void setAdapter(){
if(adapter==null){
adapter = new MyAdapter(this,list);
lv.setAdapter(adapter);
}else{
adapter.notifyDataSetInvalidated();
}
}
private void initData() {
utils.send(HttpMethod.GET, url + (index++),
new RequestCallBack<String>() {
@Override
public void onFailure(HttpException arg0, String arg1) {
Toast.makeText(MainActivity.this, "请求失败", 0).show();
}
@Override
public void onSuccess(ResponseInfo<String> arg0) {
String string = arg0.result;
ByteArrayInputStream inputstream = new ByteArrayInputStream(
string.getBytes());
XmlPullParser parser = Xml.newPullParser();
try {
parser.setInput(inputstream, "utf-8");
int type = parser.getEventType();
while (type != XmlPullParser.END_DOCUMENT) {
String name = parser.getName();
switch (type) {
case XmlPullParser.START_TAG:
if ("tweet".equals(name)) {
bean = new Bean();
} else if ("id".equals(name)) {
bean.id = Integer.parseInt(parser
.nextText());
} else if ("portrait".equals(name)) {
bean.portrait = parser.nextText();
} else if ("author".equals(name)) {
bean.author = parser.nextText();
} else if ("body".equals(name)) {
bean.body = parser.nextText();
} else if ("pubDate".equals(name)) {
bean.pubDate = parser.nextText();
} else if ("imgSmall".equals(name)) {
bean.imgSmall = parser.nextText();
} else if ("imgBig".equals(name)) {
bean.imgBig = parser.nextText();
}
break;
case XmlPullParser.END_TAG:
if ("tweet".equals(name)) {
list.add(bean);
bean = null;
}
break;
}
type = parser.next();
}
} catch (Exception e) {
e.printStackTrace();
}
setAdapter();
}
});
}
}
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