/[projects]/android/TrainInfo/src/dk/thoerup/traininfo/DepartureList.java
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Contents of /android/TrainInfo/src/dk/thoerup/traininfo/DepartureList.java

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Revision 253 - (show annotations) (download)
Mon Aug 10 16:58:22 2009 UTC (14 years, 9 months ago) by torben
File size: 5190 byte(s)
Refactored the station lookup into a provider interface
1 package dk.thoerup.traininfo;
2
3 import java.text.NumberFormat;
4 import java.util.List;
5
6 import android.app.Dialog;
7 import android.app.ListActivity;
8 import android.app.ProgressDialog;
9 import android.content.Intent;
10 import android.net.Uri;
11 import android.os.AsyncTask;
12 import android.os.Bundle;
13 import android.view.View;
14 import android.widget.ListView;
15 import android.widget.TextView;
16 import android.widget.Toast;
17 import dk.thoerup.traininfo.provider.ProviderFactory;
18 import dk.thoerup.traininfo.provider.DepartureProvider;
19 import dk.thoerup.traininfo.util.MessageBox;
20
21 public class DepartureList extends ListActivity {
22
23 public static final int DLG_PROGRESS = 1;
24 public static final int DLG_DETAILS = 2;
25
26 DepartureListAdapter adapter;
27 DepartureProvider provider;
28 List<DepartureBean> departures;
29
30 static int itemId;
31 static DepartureBean currentDeparture;
32
33 ProgressDialog pgDialog;
34
35 DepartureFetcher fetcher;
36
37 double latitude,longitude;
38
39 @Override
40 protected void onCreate(Bundle savedInstanceState) {
41 super.onCreate(savedInstanceState);
42 setContentView(R.layout.departurelist);
43
44 adapter = new DepartureListAdapter(this);
45 setListAdapter(adapter);
46
47 Intent launchedBy = getIntent();
48
49 latitude = launchedBy.getDoubleExtra("latitude", 0.0);
50 longitude = launchedBy.getDoubleExtra("longitude", 0.0);
51
52 String name = launchedBy.getStringExtra("name");
53 ((TextView) findViewById(R.id.stationName)).setText( name );
54
55 String addr = launchedBy.getStringExtra("address");
56 ((TextView) findViewById(R.id.stationAddr)).setText( addr );
57
58 findViewById(R.id.header).setOnClickListener( mapLauncher );
59
60 NumberFormat format = NumberFormat.getNumberInstance();
61 format.setMaximumFractionDigits(1);
62 format.setMinimumFractionDigits(1);
63 int distance = launchedBy.getIntExtra("distance", 0);
64 ((TextView) findViewById(R.id.stationDistance)).setText( format.format((double)distance/1000.0) + " km." );
65
66
67 showDialog(DLG_PROGRESS);
68 provider = ProviderFactory.getDepartureProvider();
69
70 fetcher = new DepartureFetcher();
71 fetcher.execute(name);
72 }
73
74 @Override
75 public void onSaveInstanceState(Bundle outState)
76 {
77 if (pgDialog.isShowing())
78 pgDialog.dismiss();
79 }
80
81 @Override
82 protected void onListItemClick(ListView l, View v, int position, long id) {
83 super.onListItemClick(l, v, position, id);
84
85 currentDeparture = departures.get(position);
86 showDialog(DLG_DETAILS);
87 }
88
89
90 @Override
91 protected void onPrepareDialog(int id, Dialog dialog) {
92 super.onPrepareDialog(id, dialog);
93
94 switch (id) {
95 case DLG_DETAILS:
96 ((TextView)dialog.findViewById(R.id.Time)).setText(currentDeparture.getTime());
97 ((TextView)dialog.findViewById(R.id.Train)).setText(currentDeparture.getTrainNumber());
98 ((TextView)dialog.findViewById(R.id.Destination)).setText( currentDeparture.getDestination());
99 ((TextView)dialog.findViewById(R.id.Origin)).setText(currentDeparture.getOrigin());
100 ((TextView)dialog.findViewById(R.id.Location)).setText(currentDeparture.getLocation());
101 ((TextView)dialog.findViewById(R.id.Updated)).setText(currentDeparture.getLastUpdateString());
102 ((TextView)dialog.findViewById(R.id.Status)).setText(currentDeparture.getStatus());
103 ((TextView)dialog.findViewById(R.id.Note)).setText(currentDeparture.getNote());
104 break;
105 case DLG_PROGRESS:
106 pgDialog = (ProgressDialog) dialog;
107 break;
108 }
109 }
110
111 @Override
112 protected Dialog onCreateDialog(int id) {
113 switch (id) {
114 case DLG_PROGRESS:
115 ProgressDialog dlg = new ProgressDialog(this);
116 dlg.setMessage("Fetch departure data");
117 dlg.setCancelable(true);
118 return dlg;
119 case DLG_DETAILS:
120 //Context mContext = getApplicationContext();
121 Dialog dialog = new Dialog(this);
122 dialog.setCancelable(true);
123
124 dialog.setContentView(R.layout.departuredetails);
125 dialog.setTitle("Departure details");
126
127 View root = dialog.findViewById(R.id.layout_root);
128 root.setOnClickListener( new DialogDismisser(dialog) );
129 return dialog;
130 default:
131 return super.onCreateDialog(id);
132 }
133 }
134
135 class DialogDismisser implements View.OnClickListener {
136
137 Dialog dlg;
138 public DialogDismisser(Dialog d) {
139 dlg = d;
140 }
141
142 @Override
143 public void onClick(View v) {
144 if (dlg.isShowing())
145 dlg.dismiss();
146 }
147 }
148
149 View.OnClickListener mapLauncher = new View.OnClickListener() {
150 @Override
151 public void onClick(View v) {
152 Uri uri = Uri.parse("geo:" + latitude + "," + longitude);
153 startActivity( new Intent(Intent.ACTION_VIEW, uri));
154 }
155 };
156
157
158 class DepartureFetcher extends AsyncTask<String, Void, Void> {
159
160 @Override
161 protected void onPostExecute(Void result) {
162 super.onPostExecute(result);
163
164 adapter.setDepartures(departures);
165 pgDialog.dismiss();
166
167 if (departures.size() == 0)
168 MessageBox.showMessage(DepartureList.this, "No departures found");
169 }
170
171 @Override
172 protected Void doInBackground(String... params) {
173 provider.lookupDepartures(params[0]);
174 departures = provider.getDepartures();
175 return null;
176 }
177
178 }
179 }

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