Volley框架如何 post xml

首先看效果图



第一步需要自定义XMLRequest,代码如下：

import java.io.StringReader;

import java.io.UnsupportedEncodingException;

import java.util.HashMap;

import java.util.Map;

import org.xmlpull.v1.XmlPullParser;

import org.xmlpull.v1.XmlPullParserException;

import org.xmlpull.v1.XmlPullParserFactory;

import com.android.volley.AuthFailureError;

import com.android.volley.NetworkResponse;

import com.android.volley.ParseError;

import com.android.volley.Request;

import com.android.volley.Response;

import com.android.volley.VolleyLog;

import com.android.volley.Response.ErrorListener;

import com.android.volley.Response.Listener;

import com.android.volley.toolbox.HttpHeaderParser;

public class XMLRequest extends Request<XmlPullParser> {

/** Charset for request. */

private static final String PROTOCOL_CHARSET = "utf-8";

/** Content type for request. */

private static final String PROTOCOL_CONTENT_TYPE =

String.format("text/xml; charset=%s", PROTOCOL_CHARSET);

private final String mRequestBody;

private final Listener<XmlPullParser> mListener;

public XMLRequest(int method, String url,String requestBody, Listener<XmlPullParser> listener,

ErrorListener errorListener) {

super(method, url, errorListener);

mListener = listener;

mRequestBody=requestBody;

}

public XMLRequest(String url,String requestBody, Listener<XmlPullParser> listener,

ErrorListener errorListener) {

this(Method.POST, url,requestBody, listener, errorListener);

}

@Override

protected Response<XmlPullParser> parseNetworkResponse(

NetworkResponse response) {

try {

String xmlString = new String(response.data,

HttpHeaderParser.parseCharset(response.headers));

XmlPullParserFactory factory = XmlPullParserFactory.newInstance();

XmlPullParser xmlPullParser = factory.newPullParser();

xmlPullParser.setInput(new StringReader(xmlString));

return Response.success(xmlPullParser,

HttpHeaderParser.parseCacheHeaders(response));

} catch (UnsupportedEncodingException e) {

return Response.error(new ParseError(e));

} catch (XmlPullParserException e) {

return Response.error(new ParseError(e));

}

}

@Override

protected void deliverResponse(XmlPullParser response) {

mListener.onResponse(response);

}

/**

* @deprecated Use {@link #getBodyContentType()}.

*/

@Override

public String getPostBodyContentType() {

return getBodyContentType();

}

/**

* @deprecated Use {@link #getBody()}.

*/

@Override

public byte[] getPostBody() {

return getBody();

}

@Override

public String getBodyContentType() {

return PROTOCOL_CONTENT_TYPE;

}

@Override

public byte[] getBody() {

try {

return mRequestBody == null ? null : mRequestBody.getBytes(PROTOCOL_CHARSET);

} catch (UnsupportedEncodingException uee) {

VolleyLog.wtf("Unsupported Encoding while trying to get the bytes of %s using %s",

mRequestBody, PROTOCOL_CHARSET);

return null;

}

}

@Override

public Map<String, String> getHeaders() throws AuthFailureError {

Map<String, String> headers = new HashMap<String, String>();

headers.put("Charset", "UTF-8");

headers.put("Content-Type", "text/xml");

headers.put("Accept-Encoding", "*/*");

headers.put("Connection", "close");

return headers;

}

}

然后可以使用了，使用方法跟普通的request一样，代码如下：

public class LifeFragment extends BaseFragment {

public static final String BUNDLE_USERT = "UserName";

private String mUsrNam;

private GridView mGridView;

private List<PhotoInfo> mGridList ;

private int section = 1;

private Map<String, Integer> sectionMap = new HashMap<String, Integer>();

private MyBaseAdapter mAdapter;

private ProgressBar mPb;

private LinearLayout mLayEdit;

private Button mBtnEdit;

private Button mBtnCancle;

String mGetPhotoListBody = "<GetPhotoListRequest xmlns=\"http://ws.wellav.com/hiapi/20150925\">"

+ "<Token>28213306:CNUuDvlHKbzlNZ6rvXwR50L+E3R0KA5BRbVKkAA36aVlVaFfYRGwDGDkaTNnccB6hlIDDF+/qXeqkr/qqKocFw==</Token>"

+ "<FamilyID>1</FamilyID>" + "</GetPhotoListRequest>";

private Handler mHandler;

@Override

public void onCreate(Bundle savedInstanceState) {

// TODO Auto-generated method stub

mHandler = new Handler() {

@Override

public void handleMessage(Message msg) {

if(msg.obj!=null){

mGridList=XMLPhotosParser.ParseXMLPhotos((XmlPullParser)msg.obj);

Collections.sort(mGridList, new Comparator<PhotoInfo>() {

@Override

public int compare(PhotoInfo o1, PhotoInfo o2) {

return o1.getmTime().compareTo(o2.getmTime());

}

});

for(ListIterator<PhotoInfo> it = mGridList.listIterator(); it.hasNext();){

PhotoInfo mGridItem = it.next();

String ym = mGridItem.getmTime().substring(0, 10);

if(!sectionMap.containsKey(ym)){

mGridItem.setmSection(section);

sectionMap.put(ym, section);

section ++;

}else{

mGridItem.setmSection(sectionMap.get(ym));

}

}

mAdapter = new LifeAdapter(getActivity(), mGridList);

mGridView.setAdapter(mAdapter);

}

mPb.setVisibility(View.INVISIBLE);

// Log.e("", "size="+mGridList.size());

}

};

super.onCreate(savedInstanceState);

}

@Override

public View onCreateView(LayoutInflater inflater, ViewGroup container,

Bundle savedInstanceState) {

View view = inflater.inflate(R.layout.frag_life, null);

Bundle arguments = getArguments();

if (arguments != null) {

mUsrNam = arguments.getString(BUNDLE_USERT);

}

mGridView = (GridView) view

.findViewById(R.id.lifeFrag_gridId);

mPb=(ProgressBar)view.findViewById(R.id.lifeFrag_pbId);

mLayEdit = (LinearLayout) view.findViewById(R.id.lifeFrag_layEditId);

mBtnEdit = (Button) view.findViewById(R.id.lifeFrag_btnEditId);

mBtnCancle = (Button) view.findViewById(R.id.lifeFrag_btnCancleId);

mBtnEdit.setOnClickListener(new OnClickListener() {

@Override

public void onClick(View v) {

// TODO Auto-generated method stub

mLayEdit.setVisibility(View.VISIBLE);

mBtnEdit.setVisibility(View.INVISIBLE);

mAdapter.setmIsEditMode(true);

mAdapter.notifyDataSetChanged();

}

});

mBtnCancle.setOnClickListener(new OnClickListener() {

@Override

public void onClick(View v) {

// TODO Auto-generated method stub

mLayEdit.setVisibility(View.INVISIBLE);

mBtnEdit.setVisibility(View.VISIBLE);

mAdapter.setmIsEditMode(false);

mAdapter.notifyDataSetChanged();

}

});

isViewCreated=true;

lazyLoad();

return view;

}

public static LifeFragment newInstance(String usrNam) {

Bundle bundle = new Bundle();

bundle.putString(BUNDLE_USERT, usrNam);

LifeFragment fragment = new LifeFragment();

fragment.setArguments(bundle);

return fragment;

}

@Override

public MyBaseAdapter getmBaseAdapter() {

// TODO Auto-generated method stub

return null;

}

@Override

protected void lazyLoad() {

// TODO Auto-generated method stub

if (!isViewCreated || !isVisible || mPb.getVisibility()==View.INVISIBLE) {

return;

}

XMLRequest xmlRequest = new XMLRequest(

"http://10.100.0.94:9090/services/hiapi/GetPhotoList",

mGetPhotoListBody, new Response.Listener<XmlPullParser>() {

@Override

public void onResponse(XmlPullParser response) {

// TODO Auto-generated method stub

Log.e("", "response");

Message msg=mHandler.obtainMessage();

msg.what=0;

msg.obj=response;

mHandler.sendMessage(msg);

}

}, new Response.ErrorListener() {

@Override

public void onErrorResponse(VolleyError error) {

Log.e("TAG", error.getMessage(), error);

Message msg=mHandler.obtainMessage();

msg.what=0;

msg.obj=null;

mHandler.sendMessage(msg);

}

});

VolleyRequestQueueManager.addRequest(xmlRequest, null);

}

}