JSON und aspx

1import java.io.BufferedReader;
2import java.io.IOException;
3import java.io.InputStream;
4import java.io.InputStreamReader;
5import java.nio.charset.Charset;
6
7import org.apache.http.HttpEntity;
8import org.apache.http.HttpResponse;
9import org.apache.http.client.methods.HttpPost;
10import org.apache.http.entity.StringEntity;
11import org.apache.http.impl.client.DefaultHttpClient;
12import org.apache.http.message.BasicHeader;
13import org.apache.http.protocol.HTTP;
14
15import org.json.JSONObject;
16
17
18import android.util.Log;
19
20public class API {
21
22 private static final String TAG = "API";
23
24 public static JSONObject SendHttpPost(String URL, JSONObject jsonObjSend){
25 try {
26 DefaultHttpClient httpclient = new DefaultHttpClient();
27 HttpPost httpPostRequest = new HttpPost(URL);
28
29 StringEntity se;
30 se = new StringEntity(jsonObjSend.toString());
31 se.setContentEncoding(new BasicHeader(HTTP.CONTENT_TYPE, "application/json"));
32 se.setContentType("application/json; charset=UTF-8");
33 httpPostRequest.setHeader("Content-type","application/json");
34 Log.i(TAG,se.toString());
35
36 // HTTP Parameter
37
38 httpPostRequest.setEntity(se);
39
40 long t = System.currentTimeMillis();
41 HttpResponse response = httpclient.execute(httpPostRequest);
42 Log.i(TAG, "Antwort in [" + (System.currentTimeMillis()-t) + "ms]");
43
44 HttpEntity entity = response.getEntity();
45
46 if (entity != null) {
47 InputStream instream = entity.getContent();
48 org.apache.http.Header contentEncoding = response.getFirstHeader("Content-encoding");
49 String resultString = convertStreamToString(instream);
50 instream.close();
51
52 JSONObject jsonObjRecv = new JSONObject(resultString);
53 Log.i(TAG,"<JSONObject>\n"+jsonObjRecv.toString()+"\n</JSONObject>");
54
55 return jsonObjRecv;
56 }
57 }
58 catch (Exception e){
59 e.printStackTrace();
60 }
61 return null;
62 }
63
64 private static String convertStreamToString(InputStream is) {
65
66 BufferedReader reader = new BufferedReader(new InputStreamReader(is));
67 StringBuilder sb = new StringBuilder();
68
69 String line = null;
70 try {
71 while ((line = reader.readLine()) != null) {
72 sb.append(line + "\n");
73 }
74 } catch (IOException e) {
75 e.printStackTrace();
76 } finally {
77 try {
78 is.close();
79 } catch (IOException e) {
80 e.printStackTrace();
81 }
82 }
83 return sb.toString();
84 }
85}

1import org.json.JSONException;
2import org.json.JSONObject;
3
4import android.os.Bundle;
5import android.util.Log;
6import android.view.View;
7import android.widget.EditText;
8import android.app.Activity;
9
10
11
12
13public class MainActivity extends Activity {
14
15 private static final String TAG = "MainActivity";
16 private static final String URLLogin = "/login.aspx";
17
18
19 @Override
20 protected void onCreate(Bundle savedInstanceState) {
21 super.onCreate(savedInstanceState);
22 setContentView(R.layout.activity_main);
23
24 }
25
26 public void pruefeLogin(View view){
27
28
29 int userdid = (int) (1000+Math.random()*((99999999-1000)+1));
30 JSONObject jsonObjSend = new JSONObject();
31 EditText username =(EditText)findViewById(R.id.login_name);
32 Log.i(TAG,username.getText().toString());
33 EditText userpass =(EditText)findViewById(R.id.login_pass);
34
35 try {
36 jsonObjSend.put("did",userdid);
37 jsonObjSend.put("login",username.getText().toString());
38 jsonObjSend.put("passwort",userpass.getText().toString());
39
40
41 Log.i(TAG,jsonObjSend.toString());
42
43 }catch (JSONException e) {
44 e.printStackTrace();
45 }
46
47 JSONObject jsonObjRecv =API.SendHttpPost(URLLogin, jsonObjSend);
48
49
50
51 }
52
53}