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

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Revision 243 - (hide annotations) (download)
Sun Aug 9 12:12:33 2009 UTC (14 years, 9 months ago) by torben
File size: 5056 byte(s)
Make the activities behave better if the device is rotated while it is working
1 torben 237 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 torben 239 import android.net.Uri;
11 torben 237 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 torben 238 import android.widget.Toast;
17 torben 237 import dk.thoerup.traininfo.provider.DepartureFactory;
18     import dk.thoerup.traininfo.provider.DepartureProvider;
19    
20     public class DepartureList extends ListActivity {
21    
22     public static final int DLG_PROGRESS = 1;
23     public static final int DLG_DETAILS = 2;
24    
25     DepartureListAdapter adapter;
26     DepartureProvider provider;
27     List<DepartureBean> departures;
28    
29     static int itemId;
30     static DepartureBean currentDeparture;
31    
32     ProgressDialog pgDialog;
33    
34 torben 238 DepartureFetcher fetcher;
35    
36 torben 239 double latitude,longitude;
37    
38 torben 237 @Override
39     protected void onCreate(Bundle savedInstanceState) {
40     super.onCreate(savedInstanceState);
41     setContentView(R.layout.departurelist);
42    
43     adapter = new DepartureListAdapter(this);
44     setListAdapter(adapter);
45    
46     Intent launchedBy = getIntent();
47 torben 239
48     latitude = launchedBy.getDoubleExtra("latitude", 0.0);
49     longitude = launchedBy.getDoubleExtra("longitude", 0.0);
50    
51 torben 237 String name = launchedBy.getStringExtra("name");
52     ((TextView) findViewById(R.id.stationName)).setText( name );
53    
54     String addr = launchedBy.getStringExtra("address");
55     ((TextView) findViewById(R.id.stationAddr)).setText( addr );
56    
57 torben 239 findViewById(R.id.header).setOnClickListener( mapLauncher );
58 torben 237
59     NumberFormat format = NumberFormat.getNumberInstance();
60     format.setMaximumFractionDigits(1);
61     format.setMinimumFractionDigits(1);
62     int distance = launchedBy.getIntExtra("distance", 0);
63     ((TextView) findViewById(R.id.stationDistance)).setText( format.format((double)distance/1000.0) + " km." );
64    
65 torben 238
66 torben 237 showDialog(DLG_PROGRESS);
67     provider = DepartureFactory.getProvider();
68 torben 238
69     fetcher = new DepartureFetcher();
70     fetcher.execute(name);
71 torben 237 }
72    
73 torben 243 @Override
74     public void onSaveInstanceState(Bundle outState)
75     {
76     if (pgDialog.isShowing())
77     pgDialog.dismiss();
78     }
79    
80 torben 237 @Override
81     protected void onListItemClick(ListView l, View v, int position, long id) {
82     super.onListItemClick(l, v, position, id);
83    
84     currentDeparture = departures.get(position);
85     showDialog(DLG_DETAILS);
86     }
87    
88    
89     @Override
90     protected void onPrepareDialog(int id, Dialog dialog) {
91     super.onPrepareDialog(id, dialog);
92    
93     switch (id) {
94     case DLG_DETAILS:
95     ((TextView)dialog.findViewById(R.id.Time)).setText(currentDeparture.getTime());
96     ((TextView)dialog.findViewById(R.id.Destination)).setText( currentDeparture.getDestination());
97     ((TextView)dialog.findViewById(R.id.Origin)).setText(currentDeparture.getOrigin());
98     ((TextView)dialog.findViewById(R.id.Location)).setText(currentDeparture.getLocation());
99     ((TextView)dialog.findViewById(R.id.Updated)).setText(currentDeparture.getLastUpdateString());
100     ((TextView)dialog.findViewById(R.id.Status)).setText(currentDeparture.getStatus());
101     ((TextView)dialog.findViewById(R.id.Note)).setText(currentDeparture.getNote());
102     break;
103     case DLG_PROGRESS:
104     pgDialog = (ProgressDialog) dialog;
105     break;
106     }
107     }
108    
109     @Override
110     protected Dialog onCreateDialog(int id) {
111     switch (id) {
112     case DLG_PROGRESS:
113     ProgressDialog dlg = new ProgressDialog(this);
114     dlg.setMessage("Fetch departure data");
115     dlg.setCancelable(true);
116     return dlg;
117     case DLG_DETAILS:
118     //Context mContext = getApplicationContext();
119     Dialog dialog = new Dialog(this);
120     dialog.setCancelable(true);
121    
122     dialog.setContentView(R.layout.departuredetails);
123     dialog.setTitle("Departure details");
124    
125     View root = dialog.findViewById(R.id.layout_root);
126     root.setOnClickListener( new DialogDismisser(dialog) );
127     return dialog;
128     default:
129     return super.onCreateDialog(id);
130     }
131     }
132    
133     class DialogDismisser implements View.OnClickListener {
134    
135     Dialog dlg;
136     public DialogDismisser(Dialog d) {
137     dlg = d;
138     }
139    
140     @Override
141     public void onClick(View v) {
142     if (dlg.isShowing())
143     dlg.dismiss();
144     }
145     }
146 torben 238
147 torben 239 View.OnClickListener mapLauncher = new View.OnClickListener() {
148     @Override
149     public void onClick(View v) {
150     Uri uri = Uri.parse("geo:" + latitude + "," + longitude);
151     startActivity( new Intent(Intent.ACTION_VIEW, uri));
152     }
153     };
154 torben 238
155 torben 239
156 torben 238 class DepartureFetcher extends AsyncTask<String, Void, Void> {
157    
158     @Override
159     protected void onPostExecute(Void result) {
160     super.onPostExecute(result);
161    
162     adapter.setDepartures(departures);
163     pgDialog.dismiss();
164    
165     if (departures.size() == 0)
166     Toast.makeText(DepartureList.this, "No departures found", Toast.LENGTH_LONG);
167     }
168    
169     @Override
170     protected Void doInBackground(String... params) {
171     provider.lookupDepartures(params[0]);
172     departures = provider.getDepartures();
173     return null;
174     }
175    
176     }
177 torben 237 }

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