Funtion aus anderer Activity starten

1public void getData(){

1package de.Rocky.AppWunsch;
2
3import java.io.BufferedReader;
4import java.io.InputStream;
5import java.io.InputStreamReader;
6import java.util.ArrayList;
7
8import org.apache.http.HttpEntity;
9import org.apache.http.HttpResponse;
10import org.apache.http.NameValuePair;
11import org.apache.http.client.HttpClient;
12import org.apache.http.client.entity.UrlEncodedFormEntity;
13import org.apache.http.client.methods.HttpPost;
14import org.apache.http.impl.client.DefaultHttpClient;
15import org.json.JSONArray;
16import org.json.JSONException;
17import org.json.JSONObject;
18
19import android.app.ProgressDialog;
20import android.content.Intent;
21import android.graphics.Color;
22import android.os.Bundle;
23import android.os.Handler;
24import android.os.Message;
25import android.util.Log;
26import android.widget.ArrayAdapter;
27import android.widget.ListView;
28
29public class AppWunsch extends MenuActivityMain implements Runnable {
30 private ProgressDialog pd;
31 InputStream is;
32 ArrayList<String> results = new ArrayList<String>();
33 JSONObject json_data;
34
35 /** Called when the activity is first created. */
36 @Override
37 public void onCreate(Bundle savedInstanceState) {
38 super.onCreate(savedInstanceState);
39 setContentView(R.layout.main);
40 /*Intent service = new Intent(getBaseContext(), LocalService.class);
41 startService(service);*/
42 Changelog changelog = new Changelog(this);
43 changelog.showOnFirstRun();
44 getData();
45 }
46
47 private void getData() {
48 pd = ProgressDialog.show(this, "Laden...", "Hole Daten...", true, true);
49
50 Thread thread = new Thread(this);
51 thread.start();
52 }
53
54 public void run() {
55 String result = "";
56 ArrayList<NameValuePair> nameValuePairs = new ArrayList<NameValuePair>();
57
58 try {
59 HttpClient httpclient = new DefaultHttpClient();
60 HttpPost httppost = new HttpPost(
61 "url/zu/php/datei");
62 httppost.setEntity(new UrlEncodedFormEntity(nameValuePairs));
63 HttpResponse response = httpclient.execute(httppost);
64 HttpEntity entity = response.getEntity();
65 is = entity.getContent();
66 } catch (Exception e) {
67 Log.e("log_tag", "Fehler in http-Connection " + e.toString(), e);
68 }
69
70 try {
71 BufferedReader reader = new BufferedReader(new InputStreamReader(
72 is, "iso-8859-1"), 8);
73 StringBuilder sb = new StringBuilder();
74 String line = null;
75 while ((line = reader.readLine()) != null) {
76 sb.append(line + "n");
77 }
78 is.close();
79 result = sb.toString();
80 } catch (Exception e) {
81 Log.e("log_tag", "Fehler bei Result-Konvertierung " + e.toString(),
82 e);
83 }
84
85 try {
86 JSONArray jArray = new JSONArray(result);
87 for (int i = 0; i < jArray.length(); i++) {
88 json_data = jArray.getJSONObject(i);
89 results.add((String) json_data.get("id") + " "
90 + json_data.get("title") + " "
91 + json_data.get("message") + " "
92 + json_data.get("rating"));
93 }
94 } catch (JSONException e) {
95 Log.e("log_tag", "Fehler beim Daten holen " + e.toString(), e);
96 }
97 handler.sendEmptyMessage(0);
98 }
99
100 private Handler handler = new Handler() {
101 @Override
102 public void handleMessage(Message msg) {
103 pd.dismiss();
104 filllist();
105 }
106 };
107
108 protected void filllist() {
109 try {
110 ListView lv = (ListView) findViewById(R.id.lv);
111 lv.setBackgroundColor(Color.LTGRAY);
112 lv.setCacheColorHint(Color.LTGRAY);
113 lv.setAdapter(new ArrayAdapter<String>(this,
114 android.R.layout.simple_list_item_1, results));
115 } catch (Exception e) {
116 Log.e("log_tag", "Fehler bei Erstellung der Filelist "
117 + e.toString(), e);
118 }
119 }
120}

1package de.Rocky.AppWunsch;
2
3import android.app.Activity;
4import android.app.AlertDialog;
5import android.content.DialogInterface;
6import android.content.Intent;
7import android.view.Menu;
8import android.view.MenuItem;
9import android.widget.Toast;
10
11public class MenuActivityMain extends Activity {
12
13 // Menu Optionen
14 private static final int MENU_AKTUALISIEREN = 0;
15 private static final int MENU_EINTRAG = 1;
16 private static final int MENU_BEENDEN = 2;
17 private static final int MENU_PREF = 3;
18
19 // Beschriftungen der Menuoptionen
20 private static final String MENU_OPTION_AKTUALISIEREN = "Aktualisieren";
21 private static final String MENU_OPTION_EINTRAG = "Neuer Eintrag";
22 private static final String MENU_OPTION_BEENDEN = "Beenden";
23 private static final String MENU_OPTION_PREF = "Einstellungen";
24
25 /* Menu Items werden erstellt */
26 public boolean onCreateOptionsMenu(Menu menu) {
27 menu.add(0, MENU_AKTUALISIEREN, 0, MENU_OPTION_AKTUALISIEREN).setIcon(
28 R.drawable.ic_menu_refresh);
29 menu.add(0, MENU_EINTRAG, 0, MENU_OPTION_EINTRAG).setIcon(
30 android.R.drawable.ic_menu_add);
31 menu.add(0, MENU_PREF, 0, MENU_OPTION_PREF).setIcon(
32 android.R.drawable.ic_menu_preferences);
33 menu.add(0, MENU_BEENDEN, 0, MENU_OPTION_BEENDEN).setIcon(
34 android.R.drawable.ic_menu_close_clear_cancel);
35 return true;
36 }
37
38 public boolean onOptionsItemSelected(MenuItem item) {
39 switch (item.getItemId()) {
40 case MENU_AKTUALISIEREN:
41 Toast.makeText(getApplicationContext(),
42 "Feature noch nicht implementiert", Toast.LENGTH_LONG)
43 .show();
44 break;
45 case MENU_EINTRAG:
46 startActivity(new Intent(this, Eintrag.class));
47 break;
48 case MENU_BEENDEN:
49 AlertDialog.Builder builder = new AlertDialog.Builder(this);
50 builder.setMessage("Möchtest du App Wunsch Beenden?").setTitle(
51 "Beenden").setCancelable(false).setPositiveButton("Ja",
52 new DialogInterface.OnClickListener() {
53 public void onClick(DialogInterface dialog, int id) {
54 System.exit(0);
55 }
56 }).setNegativeButton("Nein",
57 new DialogInterface.OnClickListener() {
58 public void onClick(DialogInterface dialog, int id) {
59 dialog.dismiss();
60 }
61 });
62 AlertDialog alert = builder.create();
63 alert.show();
64 break;
65 case MENU_PREF:
66 Intent settingsActivity = new Intent(getBaseContext(),
67 Einstellungen.class);
68 startActivity(settingsActivity);
69 break;
70 }
71 return false;
72 }
73}