thoerup/traininfo/DepartureList.java

package dk.thoerup.traininfo;

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

import android.app.AlertDialog;
import android.app.Dialog;
import android.app.ListActivity;
import android.app.ProgressDialog;
import android.content.DialogInterface;
import android.content.Intent;
import android.net.Uri;
import android.os.AsyncTask;
import android.os.Bundle;
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;
        
        
        DepartureListAdapter adapter;
        DepartureProvider provider;
        List<DepartureBean> departures;
        
        int selectedItemId;
        //DepartureBean currentDeparture;
        
        ProgressDialog pgDialog;
        
        DepartureFetcher fetcher;

        StationBean station;
        
        @SuppressWarnings("unchecked")
        @Override
        protected void onCreate(Bundle savedInstanceState) {
                super.onCreate(savedInstanceState);
                setContentView(R.layout.departurelist);
                
                adapter = new DepartureListAdapter(this);
                setListAdapter(adapter);
                
                Intent launchedBy = getIntent();
        
                station = (StationBean) launchedBy.getSerializableExtra("stationbean");
                
                ((TextView) findViewById(R.id.stationName)).setText( station.getName() );


                ((TextView) findViewById(R.id.stationAddr)).setText( station.getAddress() );
                
                
                findViewById(R.id.header).setOnClickListener( mapLauncher );
                
                NumberFormat format = NumberFormat.getNumberInstance();
                format.setMaximumFractionDigits(1);
                format.setMinimumFractionDigits(1);
                

                int distance = station.getDistance();
                ((TextView) findViewById(R.id.stationDistance)).setText( format.format((double)distance/1000.0) + " km." );
                
        
                if (station.isRegional() == false && station.isSTrain() == false) {
                        getListView().setVisibility( View.GONE );               
                        findViewById(R.id.metroonly).setVisibility( View.VISIBLE );
                        
                } else {
                        provider = ProviderFactory.getDepartureProvider();
                        
                        if (savedInstanceState == null) {
                                startDepartureFetcher();
                        } else {
                                departures = (List<DepartureBean>) savedInstanceState.getSerializable("departures");
                                adapter.setDepartures(departures);
                                selectedItemId = savedInstanceState.getInt("selectedItemId");   
                        }
                }
        }
        
    @Override 
    public void onSaveInstanceState(Bundle outState) 
    {
        if (pgDialog != null && pgDialog.isShowing())
                dismissDialog(DLG_PROGRESS);

        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;
                
                DepartureBean dep = departures.get(selectedItemId);
        
                Intent intent = new Intent(this, TimetableList.class);
                intent.putExtra("departure", dep);
                
                startActivity(intent);
                                
        }
        

        @Override
        protected void onPrepareDialog(int id, Dialog dialog) {
                super.onPrepareDialog(id, dialog);
                
                switch (id) {
                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;                     
                default:
                        return super.onCreateDialog(id);                
                }
        }

        void startDepartureFetcher() {
                showDialog(DLG_PROGRESS);
                fetcher = new DepartureFetcher(); 
                fetcher.execute(station.getId());
        }
        
        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:" + station.getLatitude() + "," + station.getLongitude());
                        startActivity( new Intent(Intent.ACTION_VIEW, uri));
                }
        };


        class DepartureFetcher extends AsyncTask<Integer, Void, Void> {

                boolean success;

                @Override
                protected void onPostExecute(Void result) {
                        super.onPostExecute(result);
                        
                        
                        pgDialog.dismiss();
                        
                        if (success) {
                                adapter.setDepartures(departures);
                                if (departures.size() == 0) {
                                        MessageBox.showMessage(DepartureList.this, "No departures found");
                                }
                        } else { // communication or parse error
                                AlertDialog.Builder builder = new AlertDialog.Builder(DepartureList.this);                                              
                                builder.setMessage("Error finding departures");
                                builder.setCancelable(true);
                                builder.setPositiveButton("Retry", new DialogInterface.OnClickListener() {
                                        public void onClick(DialogInterface dialog, int id) {
                                                dialog.dismiss();
                                                startDepartureFetcher();
                                                
                                        }
                                });
                                builder.setNegativeButton("Cancel", new DialogInterface.OnClickListener() {
                                        public void onClick(DialogInterface dialog, int id) {
                                                dialog.dismiss();
                                        }                                                       
                                });                                                                                             
                                builder.show();                         
                        }
                }

                @Override
                protected Void doInBackground(Integer... params) {
                        success = provider.lookupDepartures(params[0]);
                        departures = provider.getDepartures(params[0]);
                        return null;
                }
                
        }
}
1	package dk.thoerup.traininfo;
2
3	import java.text.NumberFormat;
4	import java.util.ArrayList;
5	import java.util.List;
6
7	import android.app.AlertDialog;
8	import android.app.Dialog;
9	import android.app.ListActivity;
10	import android.app.ProgressDialog;
11	import android.content.DialogInterface;
12	import android.content.Intent;
13	import android.net.Uri;
14	import android.os.AsyncTask;
15	import android.os.Bundle;
16	import android.view.View;
17	import android.widget.ListView;
18	import android.widget.TextView;
19	import dk.thoerup.traininfo.provider.DepartureProvider;
20	import dk.thoerup.traininfo.provider.ProviderFactory;
21	import dk.thoerup.traininfo.util.MessageBox;
22
23	public class DepartureList extends ListActivity {
24
25	public static final int DLG_PROGRESS = 1;
26
27
28	DepartureListAdapter adapter;
29	DepartureProvider provider;
30	List<DepartureBean> departures;
31
32	int selectedItemId;
33	//DepartureBean currentDeparture;
34
35	ProgressDialog pgDialog;
36
37	DepartureFetcher fetcher;
38
39	StationBean station;
40
41	@SuppressWarnings("unchecked")
42	@Override
43	protected void onCreate(Bundle savedInstanceState) {
44	super.onCreate(savedInstanceState);
45	setContentView(R.layout.departurelist);
46
47	adapter = new DepartureListAdapter(this);
48	setListAdapter(adapter);
49
50	Intent launchedBy = getIntent();
51
52	station = (StationBean) launchedBy.getSerializableExtra("stationbean");
53
54	((TextView) findViewById(R.id.stationName)).setText( station.getName() );
55
56
57	((TextView) findViewById(R.id.stationAddr)).setText( station.getAddress() );
58
59
60	findViewById(R.id.header).setOnClickListener( mapLauncher );
61
62	NumberFormat format = NumberFormat.getNumberInstance();
63	format.setMaximumFractionDigits(1);
64	format.setMinimumFractionDigits(1);
65
66
67	int distance = station.getDistance();
68	((TextView) findViewById(R.id.stationDistance)).setText( format.format((double)distance/1000.0) + " km." );
69
70
71	if (station.isRegional() == false && station.isSTrain() == false) {
72	getListView().setVisibility( View.GONE );
73	findViewById(R.id.metroonly).setVisibility( View.VISIBLE );
74
75	} else {
76	provider = ProviderFactory.getDepartureProvider();
77
78	if (savedInstanceState == null) {
79	startDepartureFetcher();
80	} else {
81	departures = (List<DepartureBean>) savedInstanceState.getSerializable("departures");
82	adapter.setDepartures(departures);
83	selectedItemId = savedInstanceState.getInt("selectedItemId");
84	}
85	}
86	}
87
88	@Override
89	public void onSaveInstanceState(Bundle outState)
90	{
91	if (pgDialog != null && pgDialog.isShowing())
92	dismissDialog(DLG_PROGRESS);
93
94	outState.putInt("selectedItemId", selectedItemId);
95
96	outState.putSerializable("departures", (ArrayList<DepartureBean>) departures);
97	}
98
99	@Override
100	protected void onListItemClick(ListView l, View v, int position, long id) {
101	super.onListItemClick(l, v, position, id);
102
103	selectedItemId = position;
104
105	DepartureBean dep = departures.get(selectedItemId);
106
107	Intent intent = new Intent(this, TimetableList.class);
108	intent.putExtra("departure", dep);
109
110	startActivity(intent);
111
112	}
113
114
115	@Override
116	protected void onPrepareDialog(int id, Dialog dialog) {
117	super.onPrepareDialog(id, dialog);
118
119	switch (id) {
120	case DLG_PROGRESS:
121	pgDialog = (ProgressDialog) dialog;
122	break;
123	}
124	}
125
126	@Override
127	protected Dialog onCreateDialog(int id) {
128	switch (id) {
129	case DLG_PROGRESS:
130	ProgressDialog dlg = new ProgressDialog(this);
131	dlg.setMessage("Fetch departure data");
132	dlg.setCancelable(true);
133	return dlg;
134	default:
135	return super.onCreateDialog(id);
136	}
137	}
138
139	void startDepartureFetcher() {
140	showDialog(DLG_PROGRESS);
141	fetcher = new DepartureFetcher();
142	fetcher.execute(station.getId());
143	}
144
145	class DialogDismisser implements View.OnClickListener {
146
147	Dialog dlg;
148	public DialogDismisser(Dialog d) {
149	dlg = d;
150	}
151
152	@Override
153	public void onClick(View v) {
154	if (dlg.isShowing())
155	dlg.dismiss();
156	}
157	}
158
159	View.OnClickListener mapLauncher = new View.OnClickListener() {
160	@Override
161	public void onClick(View v) {
162	Uri uri = Uri.parse("geo:" + station.getLatitude() + "," + station.getLongitude());
163	startActivity( new Intent(Intent.ACTION_VIEW, uri));
164	}
165	};
166
167
168
169	class DepartureFetcher extends AsyncTask<Integer, Void, Void> {
170
171	boolean success;
172
173	@Override
174	protected void onPostExecute(Void result) {
175	super.onPostExecute(result);
176
177
178	pgDialog.dismiss();
179
180	if (success) {
181	adapter.setDepartures(departures);
182	if (departures.size() == 0) {
183	MessageBox.showMessage(DepartureList.this, "No departures found");
184	}
185	} else { // communication or parse error
186	AlertDialog.Builder builder = new AlertDialog.Builder(DepartureList.this);
187	builder.setMessage("Error finding departures");
188	builder.setCancelable(true);
189	builder.setPositiveButton("Retry", new DialogInterface.OnClickListener() {
190	public void onClick(DialogInterface dialog, int id) {
191	dialog.dismiss();
192	startDepartureFetcher();
193
194	}
195	});
196	builder.setNegativeButton("Cancel", new DialogInterface.OnClickListener() {
197	public void onClick(DialogInterface dialog, int id) {
198	dialog.dismiss();
199	}
200	});
201	builder.show();
202	}
203	}
204
205	@Override
206	protected Void doInBackground(Integer... params) {
207	success = provider.lookupDepartures(params[0]);
208	departures = provider.getDepartures(params[0]);
209	return null;
210	}
211
212	}
213	}