thoerup/traininfo/DepartureList.java

package dk.thoerup.traininfo;

import java.text.NumberFormat;
import java.util.ArrayList;
import java.util.List;
import java.util.Locale;

import android.app.Dialog;
import android.app.ListActivity;
import android.app.ProgressDialog;
import android.content.Intent;
import android.location.Address;
import android.location.Geocoder;
import android.net.Uri;
import android.os.AsyncTask;
import android.os.Bundle;
import android.util.Log;
import android.view.View;
import android.widget.ListView;
import android.widget.TextView;
import dk.thoerup.traininfo.provider.DepartureProvider;
import dk.thoerup.traininfo.provider.ProviderFactory;
import dk.thoerup.traininfo.util.MessageBox;

public class DepartureList extends ListActivity {

        public static final int DLG_PROGRESS = 1;
        public static final int DLG_DETAILS = 2;
        
        DepartureListAdapter adapter;
        DepartureProvider provider;
        List<DepartureBean> departures;
        
        int selectedItemId;
        //DepartureBean currentDeparture;
        
        ProgressDialog pgDialog;
        Dialog detailsDialog;
        DepartureFetcher fetcher;
        
        double latitude,longitude;
        
        @SuppressWarnings("unchecked")
        @Override
        protected void onCreate(Bundle savedInstanceState) {
                super.onCreate(savedInstanceState);
                setContentView(R.layout.departurelist);
                
                adapter = new DepartureListAdapter(this);
                setListAdapter(adapter);
                
                Intent launchedBy = getIntent();
                
                latitude = launchedBy.getDoubleExtra("latitude", 0.0);
                longitude = launchedBy.getDoubleExtra("longitude", 0.0);
                
                String name = launchedBy.getStringExtra("name");
                ((TextView) findViewById(R.id.stationName)).setText( name );
                
                ((TextView) findViewById(R.id.stationAddr)).setText( "searching..." );
                
                int stationId = launchedBy.getIntExtra("stationid", -1); 
                
                findViewById(R.id.header).setOnClickListener( mapLauncher );
                
                NumberFormat format = NumberFormat.getNumberInstance();
                format.setMaximumFractionDigits(1);
                format.setMinimumFractionDigits(1);
                int distance = launchedBy.getIntExtra("distance", 0);
                ((TextView) findViewById(R.id.stationDistance)).setText( format.format((double)distance/1000.0) + " km." );
        
                
                provider = ProviderFactory.getDepartureProvider();
                
                fetcher = new DepartureFetcher();
                if (savedInstanceState == null) {
                        showDialog(DLG_PROGRESS);
                        fetcher.execute(stationId);
                } else {
                        departures = (List<DepartureBean>) savedInstanceState.getSerializable("departures");
                        adapter.setDepartures(departures);
                        selectedItemId = savedInstanceState.getInt("selectedItemId");   
                        boolean detailsShowing = savedInstanceState.getBoolean("detailsShowing");
                        if (detailsShowing)
                                showDialog(DLG_DETAILS);
                }
        }
        
    @Override 
    public void onSaveInstanceState(Bundle outState) 
    {
        if (pgDialog != null && pgDialog.isShowing())
                dismissDialog(DLG_PROGRESS);
        boolean detailsShowing = (detailsDialog != null && detailsDialog.isShowing()); 
        if (detailsShowing) {
                dismissDialog(DLG_DETAILS);
        }
        outState.putBoolean("detailsShowing", detailsShowing);
        outState.putInt("selectedItemId", selectedItemId);
        
        outState.putSerializable("departures", (ArrayList<DepartureBean>) departures);
    }
        
        @Override
        protected void onListItemClick(ListView l, View v, int position, long id) {
                super.onListItemClick(l, v, position, id);
        
                selectedItemId = position;              
                showDialog(DLG_DETAILS);                
        }
        

        @Override
        protected void onPrepareDialog(int id, Dialog dialog) {
                super.onPrepareDialog(id, dialog);
                
                switch (id) {
                case DLG_DETAILS:
                        DepartureBean currentDeparture = departures.get(selectedItemId);
                        ((TextView)dialog.findViewById(R.id.Time)).setText(currentDeparture.getTime());
                        ((TextView)dialog.findViewById(R.id.Train)).setText(currentDeparture.getTrainNumber());
                        ((TextView)dialog.findViewById(R.id.Destination)).setText( currentDeparture.getDestination());
                        ((TextView)dialog.findViewById(R.id.Origin)).setText(currentDeparture.getOrigin());
                        ((TextView)dialog.findViewById(R.id.Location)).setText(currentDeparture.getLocation());
                        ((TextView)dialog.findViewById(R.id.Updated)).setText(currentDeparture.getLastUpdateString());
                        ((TextView)dialog.findViewById(R.id.Status)).setText(currentDeparture.getStatus());
                        ((TextView)dialog.findViewById(R.id.Note)).setText(currentDeparture.getNote());
                        detailsDialog = dialog;
                        break;
                case DLG_PROGRESS:
                        pgDialog = (ProgressDialog) dialog;
                        break;
                }
        }
        
        @Override
        protected Dialog onCreateDialog(int id) {
                switch (id) {
                case DLG_PROGRESS:
                        ProgressDialog dlg = new ProgressDialog(this);
                        dlg.setMessage("Fetch departure data");
                        dlg.setCancelable(true);
                        return dlg;
                case DLG_DETAILS:
                        //Context mContext = getApplicationContext();
                        Dialog dialog = new Dialog(this);
                        dialog.setCancelable(true);

                        dialog.setContentView(R.layout.departuredetails);
                        dialog.setTitle("Departure details");

                        View root = dialog.findViewById(R.id.layout_root);
                        root.setOnClickListener( new DialogDismisser(dialog) );
                        return dialog;                  
                default:
                        return super.onCreateDialog(id);                
                }
        }

        String lookupAddress(double latitude, double longitude) {
                
                Geocoder coder = new Geocoder(this, new Locale("da"));
                StringBuilder sb = new StringBuilder();
                Log.i("lookupaddr", "" + latitude + "/" + longitude);
                try {
                        List<Address> addressList = coder.getFromLocation(latitude, longitude, 1);
                        Address addr = addressList.get(0);
                        
                        
                        int max = addr.getMaxAddressLineIndex();
                        for (int i=0; i<max; i++) {
                                if (i>0)
                                        sb.append(", ");
                                
                                sb.append(addr.getAddressLine(i));
                        }
                        
                        
                } catch (Exception e) {
                        Log.e("DepartureList", "geocoder failed", e);
                }
                
                return sb.toString();
        }
        
        class DialogDismisser implements View.OnClickListener {

                Dialog dlg;
                public DialogDismisser(Dialog d) {
                        dlg = d;
                }
                
                @Override
                public void onClick(View v) {
                        if (dlg.isShowing())
                                dlg.dismiss();
                }
        }
        
        View.OnClickListener mapLauncher = new View.OnClickListener() {
                @Override
                public void onClick(View v) {
                        Uri uri = Uri.parse("geo:" + latitude + "," + longitude);
                        startActivity( new Intent(Intent.ACTION_VIEW, uri));
                }
        };
        
        
        class DepartureFetcher extends AsyncTask<Integer, Void, Void> {

                String addr;
                @Override
                protected void onPostExecute(Void result) {
                        super.onPostExecute(result);
                        
                        adapter.setDepartures(departures);
                        pgDialog.dismiss();
                        
                        
                        ((TextView) findViewById(R.id.stationAddr)).setText( addr );
                        
                        if (departures.size() == 0)
                                MessageBox.showMessage(DepartureList.this, "No departures found");
                }

                @Override
                protected Void doInBackground(Integer... params) {
                        addr = lookupAddress( latitude , longitude);
                        provider.lookupDepartures(params[0]);
                        departures = provider.getDepartures();
                        return null;
                }
                
        }
}
1	package dk.thoerup.traininfo;
2
3	import java.text.NumberFormat;
4	import java.util.ArrayList;
5	import java.util.List;
6	import java.util.Locale;
7
8	import android.app.Dialog;
9	import android.app.ListActivity;
10	import android.app.ProgressDialog;
11	import android.content.Intent;
12	import android.location.Address;
13	import android.location.Geocoder;
14	import android.net.Uri;
15	import android.os.AsyncTask;
16	import android.os.Bundle;
17	import android.util.Log;
18	import android.view.View;
19	import android.widget.ListView;
20	import android.widget.TextView;
21	import dk.thoerup.traininfo.provider.DepartureProvider;
22	import dk.thoerup.traininfo.provider.ProviderFactory;
23	import dk.thoerup.traininfo.util.MessageBox;
24
25	public class DepartureList extends ListActivity {
26
27	public static final int DLG_PROGRESS = 1;
28	public static final int DLG_DETAILS = 2;
29
30	DepartureListAdapter adapter;
31	DepartureProvider provider;
32	List<DepartureBean> departures;
33
34	int selectedItemId;
35	//DepartureBean currentDeparture;
36
37	ProgressDialog pgDialog;
38	Dialog detailsDialog;
39	DepartureFetcher fetcher;
40
41	double latitude,longitude;
42
43	@SuppressWarnings("unchecked")
44	@Override
45	protected void onCreate(Bundle savedInstanceState) {
46	super.onCreate(savedInstanceState);
47	setContentView(R.layout.departurelist);
48
49	adapter = new DepartureListAdapter(this);
50	setListAdapter(adapter);
51
52	Intent launchedBy = getIntent();
53
54	latitude = launchedBy.getDoubleExtra("latitude", 0.0);
55	longitude = launchedBy.getDoubleExtra("longitude", 0.0);
56
57	String name = launchedBy.getStringExtra("name");
58	((TextView) findViewById(R.id.stationName)).setText( name );
59
60	((TextView) findViewById(R.id.stationAddr)).setText( "searching..." );
61
62	int stationId = launchedBy.getIntExtra("stationid", -1);
63
64	findViewById(R.id.header).setOnClickListener( mapLauncher );
65
66	NumberFormat format = NumberFormat.getNumberInstance();
67	format.setMaximumFractionDigits(1);
68	format.setMinimumFractionDigits(1);
69	int distance = launchedBy.getIntExtra("distance", 0);
70	((TextView) findViewById(R.id.stationDistance)).setText( format.format((double)distance/1000.0) + " km." );
71
72
73	provider = ProviderFactory.getDepartureProvider();
74
75	fetcher = new DepartureFetcher();
76	if (savedInstanceState == null) {
77	showDialog(DLG_PROGRESS);
78	fetcher.execute(stationId);
79	} else {
80	departures = (List<DepartureBean>) savedInstanceState.getSerializable("departures");
81	adapter.setDepartures(departures);
82	selectedItemId = savedInstanceState.getInt("selectedItemId");
83	boolean detailsShowing = savedInstanceState.getBoolean("detailsShowing");
84	if (detailsShowing)
85	showDialog(DLG_DETAILS);
86	}
87	}
88
89	@Override
90	public void onSaveInstanceState(Bundle outState)
91	{
92	if (pgDialog != null && pgDialog.isShowing())
93	dismissDialog(DLG_PROGRESS);
94	boolean detailsShowing = (detailsDialog != null && detailsDialog.isShowing());
95	if (detailsShowing) {
96	dismissDialog(DLG_DETAILS);
97	}
98	outState.putBoolean("detailsShowing", detailsShowing);
99	outState.putInt("selectedItemId", selectedItemId);
100
101	outState.putSerializable("departures", (ArrayList<DepartureBean>) departures);
102	}
103
104	@Override
105	protected void onListItemClick(ListView l, View v, int position, long id) {
106	super.onListItemClick(l, v, position, id);
107
108	selectedItemId = position;
109	showDialog(DLG_DETAILS);
110	}
111
112
113	@Override
114	protected void onPrepareDialog(int id, Dialog dialog) {
115	super.onPrepareDialog(id, dialog);
116
117	switch (id) {
118	case DLG_DETAILS:
119	DepartureBean currentDeparture = departures.get(selectedItemId);
120	((TextView)dialog.findViewById(R.id.Time)).setText(currentDeparture.getTime());
121	((TextView)dialog.findViewById(R.id.Train)).setText(currentDeparture.getTrainNumber());
122	((TextView)dialog.findViewById(R.id.Destination)).setText( currentDeparture.getDestination());
123	((TextView)dialog.findViewById(R.id.Origin)).setText(currentDeparture.getOrigin());
124	((TextView)dialog.findViewById(R.id.Location)).setText(currentDeparture.getLocation());
125	((TextView)dialog.findViewById(R.id.Updated)).setText(currentDeparture.getLastUpdateString());
126	((TextView)dialog.findViewById(R.id.Status)).setText(currentDeparture.getStatus());
127	((TextView)dialog.findViewById(R.id.Note)).setText(currentDeparture.getNote());
128	detailsDialog = dialog;
129	break;
130	case DLG_PROGRESS:
131	pgDialog = (ProgressDialog) dialog;
132	break;
133	}
134	}
135
136	@Override
137	protected Dialog onCreateDialog(int id) {
138	switch (id) {
139	case DLG_PROGRESS:
140	ProgressDialog dlg = new ProgressDialog(this);
141	dlg.setMessage("Fetch departure data");
142	dlg.setCancelable(true);
143	return dlg;
144	case DLG_DETAILS:
145	//Context mContext = getApplicationContext();
146	Dialog dialog = new Dialog(this);
147	dialog.setCancelable(true);
148
149	dialog.setContentView(R.layout.departuredetails);
150	dialog.setTitle("Departure details");
151
152	View root = dialog.findViewById(R.id.layout_root);
153	root.setOnClickListener( new DialogDismisser(dialog) );
154	return dialog;
155	default:
156	return super.onCreateDialog(id);
157	}
158	}
159
160	String lookupAddress(double latitude, double longitude) {
161
162	Geocoder coder = new Geocoder(this, new Locale("da"));
163	StringBuilder sb = new StringBuilder();
164	Log.i("lookupaddr", "" + latitude + "/" + longitude);
165	try {
166	List<Address> addressList = coder.getFromLocation(latitude, longitude, 1);
167	Address addr = addressList.get(0);
168
169
170	int max = addr.getMaxAddressLineIndex();
171	for (int i=0; i<max; i++) {
172	if (i>0)
173	sb.append(", ");
174
175	sb.append(addr.getAddressLine(i));
176	}
177
178
179	} catch (Exception e) {
180	Log.e("DepartureList", "geocoder failed", e);
181	}
182
183	return sb.toString();
184	}
185
186	class DialogDismisser implements View.OnClickListener {
187
188	Dialog dlg;
189	public DialogDismisser(Dialog d) {
190	dlg = d;
191	}
192
193	@Override
194	public void onClick(View v) {
195	if (dlg.isShowing())
196	dlg.dismiss();
197	}
198	}
199
200	View.OnClickListener mapLauncher = new View.OnClickListener() {
201	@Override
202	public void onClick(View v) {
203	Uri uri = Uri.parse("geo:" + latitude + "," + longitude);
204	startActivity( new Intent(Intent.ACTION_VIEW, uri));
205	}
206	};
207
208
209	class DepartureFetcher extends AsyncTask<Integer, Void, Void> {
210
211	String addr;
212	@Override
213	protected void onPostExecute(Void result) {
214	super.onPostExecute(result);
215
216	adapter.setDepartures(departures);
217	pgDialog.dismiss();
218
219
220	((TextView) findViewById(R.id.stationAddr)).setText( addr );
221
222	if (departures.size() == 0)
223	MessageBox.showMessage(DepartureList.this, "No departures found");
224	}
225
226	@Override
227	protected Void doInBackground(Integer... params) {
228	addr = lookupAddress( latitude , longitude);
229	provider.lookupDepartures(params[0]);
230	departures = provider.getDepartures();
231	return null;
232	}
233
234	}
235	}