Android调用Restfull

1. packagecom.example.android;
3. importjava.io.IOException;
5. importandroid.app.Activity;
6. importandroid.os.Bundle;
7. importandroid.util.Log;
8. importandroid.view.View;
9. importandroid.widget.Button;
10. importandroid.widget.EditText;
12. importorg.apache.http.client.ClientProtocolException;
13. importorg.apache.http.client.HttpClient;
14. importorg.apache.http.client.ResponseHandler;
15. importorg.apache.http.impl.client.BasicResponseHandler;
16. importorg.apache.http.client.methods.HttpGet;
17. importorg.apache.http.impl.client.DefaultHttpClient;
19. publicclassAndroidAppextendsActivity{
21. StringURL="http://the/url/here";
22. InputStream is = null;
23. Stringresult="";
24. StringdeviceId="xxxxx";
25. finalStringtag="YourLogcattag:";
27. /**Calledwhentheactivityisfirstcreated.*/
28. @Override
29. publicvoidonCreate(BundlesavedInstanceState){
30. super.onCreate(savedInstanceState);
31. setContentView(R.layout.main);
33. finalEditTexttxtSearch=(EditText)findViewById(R.id.txtSearch);
34. txtSearch.setOnClickListener(newEditText.OnClickListener(){
35. publicvoidonClick(Viewv){txtSearch.setText("");}
36. });
38. finalButtonbtnSearch=(Button)findViewById(R.id.btnSearch);
39. btnSearch.setOnClickListener(newButton.OnClickListener(){
40. publicvoidonClick(Viewv){
41. Stringquery=txtSearch.getText().toString();
42. callWebService(query);
44. }
45. });
47. }//endonCreate()
49. publicvoidcallWebService(Stringq){
50. HttpClienthttpclient=newDefaultHttpClient();
51. HttpGetrequest=newHttpGet(URL+q);
52. request.addHeader("deviceId",deviceId);
54. final List<BasicNameValuePair> dataList = new ArrayList<BasicNameValuePair>();
    dataList.add(new BasicNameValuePair("abc","abc"));
    dataList.add(new BasicNameValuePair("def", "def"));
    HttpEntity entity = new UrlEncodedFormEntity(dataList, "UTF-8");
    request.setEntity(entity);
56. try{
57. HttpResponse resp =httpclient.execute(request);
58. is = resp.getEntity().getContent();
    if (is != null) {
    String line;
    BufferedReader reader = new BufferedReader(new InputStreamReader(is, "UTF-8"));
    while ((line = reader.readLine()) != null) {
    sb.append(line).append("/n");
    }
    }
    String ret = sb.toString();
59. }catch(ClientProtocolExceptione){
60. e.printStackTrace();
61. }catch(IOExceptione){
62. e.printStackTrace();
63. }
64. httpclient.getConnectionManager().shutdown();
65. Log.i(tag,result);
66. }