thoerup/traininfo/TimetableList.java

package dk.thoerup.traininfo;


import java.util.ArrayList;
import java.util.List;

import android.app.Activity;
import android.app.AlertDialog;
import android.app.Dialog;
import android.app.ProgressDialog;
import android.content.DialogInterface;
import android.content.Intent;
import android.os.AsyncTask;
import android.os.Bundle;
import android.widget.ListView;
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 Activity {
        
        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);
                
                ListView lv = (ListView) findViewById(R.id.List);
                lv.setAdapter(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(trainID);
                        
                        return null;
                }
                
        }
}
1	package dk.thoerup.traininfo;
2
3
4	import java.util.ArrayList;
5	import java.util.List;
6
7	import android.app.Activity;
8	import android.app.AlertDialog;
9	import android.app.Dialog;
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.widget.ListView;
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 Activity {
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
41	ListView lv = (ListView) findViewById(R.id.List);
42	lv.setAdapter(adapter);
43
44
45	Intent launchedBy = getIntent();
46	departure = (DepartureBean) launchedBy.getSerializableExtra("departure");
47
48	((TextView)findViewById(R.id.Train)).setText(departure.getTrainNumber());
49	((TextView)findViewById(R.id.Status)).setText(departure.getStatus());
50	((TextView)findViewById(R.id.Note)).setText(departure.getNote());
51	((TextView)findViewById(R.id.Updated)).setText(departure.getLastUpdateString());
52
53
54	if (savedInstanceState == null) {
55	startTimetableFetcher();
56	} else {
57	timetables = (List<TimetableBean>) savedInstanceState.getSerializable("timetables");
58	adapter.setTimetable(timetables);
59	}
60	}
61
62	@Override
63	public void onSaveInstanceState(Bundle outState)
64	{
65	dismissDialog(DLG_PROGRESS);
66	outState.putSerializable("timetables", (ArrayList<TimetableBean>) timetables);
67	}
68
69	/* case DLG_DETAILS:
70	DepartureBean currentDeparture = departures.get(selectedItemId);
71	((TextView)dialog.findViewById(R.id.Time)).setText(currentDeparture.getTime());
72	((TextView)dialog.findViewById(R.id.Train)).setText(currentDeparture.getTrainNumber());
73	((TextView)dialog.findViewById(R.id.Destination)).setText( currentDeparture.getDestination());
74	((TextView)dialog.findViewById(R.id.Origin)).setText(currentDeparture.getOrigin());
75	((TextView)dialog.findViewById(R.id.Location)).setText(currentDeparture.getLocation());
76	((TextView)dialog.findViewById(R.id.Updated)).setText(currentDeparture.getLastUpdateString());
77	((TextView)dialog.findViewById(R.id.Status)).setText(currentDeparture.getStatus());
78	((TextView)dialog.findViewById(R.id.Note)).setText(currentDeparture.getNote());
79	detailsDialog = dialog;
80	break;
81
82	*/
83
84	@Override
85	protected void onPrepareDialog(int id, Dialog dialog) {
86	super.onPrepareDialog(id, dialog);
87
88	switch (id) {
89	case DLG_PROGRESS:
90	//pgDialog = (ProgressDialog) dialog;
91	break;
92	}
93	}
94
95	@Override
96	protected Dialog onCreateDialog(int id) {
97	switch (id) {
98	case DLG_PROGRESS:
99	ProgressDialog dlg = new ProgressDialog(this);
100	dlg.setMessage("Fetch timetable data");
101	dlg.setCancelable(true);
102	return dlg;
103	default:
104	return super.onCreateDialog(id);
105	}
106	}
107
108	void startTimetableFetcher() {
109	showDialog(DLG_PROGRESS);
110	fetcher = new TimetableFetcher();
111	fetcher.execute(departure.getTrainNumber());
112	}
113
114	class TimetableFetcher extends AsyncTask<String,Void,Void> {
115
116	boolean success;
117
118	@Override
119	protected void onPostExecute(Void result) {
120	super.onPostExecute(result);
121	dismissDialog(DLG_PROGRESS);
122
123
124	if (success) {
125	adapter.setTimetable(timetables);
126	if (timetables.size() == 0) {
127	MessageBox.showMessage(TimetableList.this, "No timetable found");
128	}
129	} else { // communication or parse error
130	AlertDialog.Builder builder = new AlertDialog.Builder(TimetableList.this);
131	builder.setMessage("Error finding departures");
132	builder.setCancelable(true);
133	builder.setPositiveButton("Retry", new DialogInterface.OnClickListener() {
134	public void onClick(DialogInterface dialog, int id) {
135	dialog.dismiss();
136	startTimetableFetcher();
137
138	}
139	});
140	builder.setNegativeButton("Cancel", new DialogInterface.OnClickListener() {
141	public void onClick(DialogInterface dialog, int id) {
142	dialog.dismiss();
143	}
144	});
145	builder.show();
146	}
147
148	}
149
150	@Override
151	protected Void doInBackground(String... arg0) {
152	String trainID = arg0[0];
153	success = provider.lookupTimetable(trainID);
154	timetables = provider.getTimetable(trainID);
155
156	return null;
157	}
158
159	}
160	}