thoerup/traininfo/TimetableList.java

package dk.thoerup.traininfo;


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.os.AsyncTask;
import android.os.Bundle;
import android.util.Log;
import android.widget.TextView;
import dk.thoerup.traininfo.provider.ProviderFactory;
import dk.thoerup.traininfo.provider.TimetableProvider;
import dk.thoerup.traininfo.util.MessageBox;

public class TimetableList extends ListActivity {
        
        private static final int DLG_PROGRESS = 8000;
        DepartureBean departure;
        TimetableListAdapter adapter;
        TimetableFetcher fetcher;
        List<TimetableBean> timetables;
        
        TimetableProvider provider; 

        @SuppressWarnings("unchecked")
        @Override
        protected void onCreate(Bundle savedInstanceState) {
                super.onCreate(savedInstanceState);
                setContentView(R.layout.timetablelist);
                
                provider = ProviderFactory.getTimetableProvider();
                
                adapter = new TimetableListAdapter(this);
                setListAdapter(adapter);
                
                Intent launchedBy = getIntent();
                departure = (DepartureBean) launchedBy.getSerializableExtra("departure");
                
                ((TextView)findViewById(R.id.Train)).setText(departure.getTrainNumber());
                ((TextView)findViewById(R.id.Status)).setText(departure.getStatus());
                ((TextView)findViewById(R.id.Note)).setText(departure.getNote());
                ((TextView)findViewById(R.id.Updated)).setText(departure.getLastUpdateString());
                
                
                if (savedInstanceState == null) {
                        startTimetableFetcher();
                } else {
                        timetables = (List<TimetableBean>) savedInstanceState.getSerializable("timetables");
                        adapter.setTimetable(timetables);
                }
        }
        
    @Override 
    public void onSaveInstanceState(Bundle outState) 
    {           
        dismissDialog(DLG_PROGRESS);
        outState.putSerializable("timetables", (ArrayList<TimetableBean>) timetables);
    }

/*              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;

 */
        
        @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 timetable data");
                        dlg.setCancelable(true);
                        return dlg;                     
                default:
                        return super.onCreateDialog(id);                
                }
        }

        void startTimetableFetcher() {
                showDialog(DLG_PROGRESS);
                fetcher = new TimetableFetcher(); 
                fetcher.execute(departure.getTrainNumber());
        }
        
        class TimetableFetcher extends AsyncTask<String,Void,Void> {
                
                boolean success;
                
                @Override
                protected void onPostExecute(Void result) {
                        super.onPostExecute(result);
                        dismissDialog(DLG_PROGRESS);
        
                        
                        if (success) {
                                adapter.setTimetable(timetables);
                                if (timetables.size() == 0) {
                                        MessageBox.showMessage(TimetableList.this, "No timetable found");
                                }
                        } else { // communication or parse error
                                AlertDialog.Builder builder = new AlertDialog.Builder(TimetableList.this);                                              
                                builder.setMessage("Error finding departures");
                                builder.setCancelable(true);
                                builder.setPositiveButton("Retry", new DialogInterface.OnClickListener() {
                                        public void onClick(DialogInterface dialog, int id) {
                                                dialog.dismiss();
                                                startTimetableFetcher();
                                                
                                        }
                                });
                                builder.setNegativeButton("Cancel", new DialogInterface.OnClickListener() {
                                        public void onClick(DialogInterface dialog, int id) {
                                                dialog.dismiss();
                                        }                                                       
                                });                                                                                             
                                builder.show();                         
                        }
                        
                }
                
                @Override
                protected Void doInBackground(String... arg0) {
                        String trainID = arg0[0];
                        success = provider.lookupTimetable(trainID);
                        timetables = provider.getTimetable();
                        
                        return null;
                }
                
        }
}
1	package dk.thoerup.traininfo;
2
3
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.os.AsyncTask;
14	import android.os.Bundle;
15	import android.util.Log;
16	import android.widget.TextView;
17	import dk.thoerup.traininfo.provider.ProviderFactory;
18	import dk.thoerup.traininfo.provider.TimetableProvider;
19	import dk.thoerup.traininfo.util.MessageBox;
20
21	public class TimetableList extends ListActivity {
22
23	private static final int DLG_PROGRESS = 8000;
24	DepartureBean departure;
25	TimetableListAdapter adapter;
26	TimetableFetcher fetcher;
27	List<TimetableBean> timetables;
28
29	TimetableProvider provider;
30
31	@SuppressWarnings("unchecked")
32	@Override
33	protected void onCreate(Bundle savedInstanceState) {
34	super.onCreate(savedInstanceState);
35	setContentView(R.layout.timetablelist);
36
37	provider = ProviderFactory.getTimetableProvider();
38
39	adapter = new TimetableListAdapter(this);
40	setListAdapter(adapter);
41
42	Intent launchedBy = getIntent();
43	departure = (DepartureBean) launchedBy.getSerializableExtra("departure");
44
45	((TextView)findViewById(R.id.Train)).setText(departure.getTrainNumber());
46	((TextView)findViewById(R.id.Status)).setText(departure.getStatus());
47	((TextView)findViewById(R.id.Note)).setText(departure.getNote());
48	((TextView)findViewById(R.id.Updated)).setText(departure.getLastUpdateString());
49
50
51	if (savedInstanceState == null) {
52	startTimetableFetcher();
53	} else {
54	timetables = (List<TimetableBean>) savedInstanceState.getSerializable("timetables");
55	adapter.setTimetable(timetables);
56	}
57	}
58
59	@Override
60	public void onSaveInstanceState(Bundle outState)
61	{
62	dismissDialog(DLG_PROGRESS);
63	outState.putSerializable("timetables", (ArrayList<TimetableBean>) timetables);
64	}
65
66	/* case DLG_DETAILS:
67	DepartureBean currentDeparture = departures.get(selectedItemId);
68	((TextView)dialog.findViewById(R.id.Time)).setText(currentDeparture.getTime());
69	((TextView)dialog.findViewById(R.id.Train)).setText(currentDeparture.getTrainNumber());
70	((TextView)dialog.findViewById(R.id.Destination)).setText( currentDeparture.getDestination());
71	((TextView)dialog.findViewById(R.id.Origin)).setText(currentDeparture.getOrigin());
72	((TextView)dialog.findViewById(R.id.Location)).setText(currentDeparture.getLocation());
73	((TextView)dialog.findViewById(R.id.Updated)).setText(currentDeparture.getLastUpdateString());
74	((TextView)dialog.findViewById(R.id.Status)).setText(currentDeparture.getStatus());
75	((TextView)dialog.findViewById(R.id.Note)).setText(currentDeparture.getNote());
76	detailsDialog = dialog;
77	break;
78
79	*/
80
81	@Override
82	protected void onPrepareDialog(int id, Dialog dialog) {
83	super.onPrepareDialog(id, dialog);
84
85	switch (id) {
86	case DLG_PROGRESS:
87	//pgDialog = (ProgressDialog) dialog;
88	break;
89	}
90	}
91
92	@Override
93	protected Dialog onCreateDialog(int id) {
94	switch (id) {
95	case DLG_PROGRESS:
96	ProgressDialog dlg = new ProgressDialog(this);
97	dlg.setMessage("Fetch timetable data");
98	dlg.setCancelable(true);
99	return dlg;
100	default:
101	return super.onCreateDialog(id);
102	}
103	}
104
105	void startTimetableFetcher() {
106	showDialog(DLG_PROGRESS);
107	fetcher = new TimetableFetcher();
108	fetcher.execute(departure.getTrainNumber());
109	}
110
111	class TimetableFetcher extends AsyncTask<String,Void,Void> {
112
113	boolean success;
114
115	@Override
116	protected void onPostExecute(Void result) {
117	super.onPostExecute(result);
118	dismissDialog(DLG_PROGRESS);
119
120
121	if (success) {
122	adapter.setTimetable(timetables);
123	if (timetables.size() == 0) {
124	MessageBox.showMessage(TimetableList.this, "No timetable found");
125	}
126	} else { // communication or parse error
127	AlertDialog.Builder builder = new AlertDialog.Builder(TimetableList.this);
128	builder.setMessage("Error finding departures");
129	builder.setCancelable(true);
130	builder.setPositiveButton("Retry", new DialogInterface.OnClickListener() {
131	public void onClick(DialogInterface dialog, int id) {
132	dialog.dismiss();
133	startTimetableFetcher();
134
135	}
136	});
137	builder.setNegativeButton("Cancel", new DialogInterface.OnClickListener() {
138	public void onClick(DialogInterface dialog, int id) {
139	dialog.dismiss();
140	}
141	});
142	builder.show();
143	}
144
145	}
146
147	@Override
148	protected Void doInBackground(String... arg0) {
149	String trainID = arg0[0];
150	success = provider.lookupTimetable(trainID);
151	timetables = provider.getTimetable();
152
153	return null;
154	}
155
156	}
157	}