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;
import static dk.thoerup.traininfo.R.string.*;

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.Location)).setText(departure.getLocation());
                ((TextView)findViewById(R.id.Note)).setText(departure.getNote());
                ((TextView)findViewById(R.id.Updated)).setText(departure.getLastUpdateString(this));
                                                
                
                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( getString(timetablelist_fetchdata) );
                        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, getString(timetablelist_nodata));
                                }
                        } else { // communication or parse error
                                AlertDialog.Builder builder = new AlertDialog.Builder(TimetableList.this);                                              
                                builder.setMessage(getString(timetablelist_fetcherror));
                                builder.setCancelable(true);
                                builder.setPositiveButton(getString(generic_retry), new DialogInterface.OnClickListener() {
                                        public void onClick(DialogInterface dialog, int id) {
                                                dialog.dismiss();
                                                startTimetableFetcher();
                                                
                                        }
                                });
                                builder.setNegativeButton(getString(generic_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	import static dk.thoerup.traininfo.R.string.*;
21
22	public class TimetableList extends Activity {
23
24	private static final int DLG_PROGRESS = 8000;
25	DepartureBean departure;
26	TimetableListAdapter adapter;
27	TimetableFetcher fetcher;
28	List<TimetableBean> timetables;
29
30	TimetableProvider provider;
31
32	@SuppressWarnings("unchecked")
33	@Override
34	protected void onCreate(Bundle savedInstanceState) {
35	super.onCreate(savedInstanceState);
36	setContentView(R.layout.timetablelist);
37
38	provider = ProviderFactory.getTimetableProvider();
39
40	adapter = new TimetableListAdapter(this);
41
42	ListView lv = (ListView) findViewById(R.id.List);
43	lv.setAdapter(adapter);
44
45
46	Intent launchedBy = getIntent();
47	departure = (DepartureBean) launchedBy.getSerializableExtra("departure");
48
49	((TextView)findViewById(R.id.Train)).setText(departure.getTrainNumber());
50	((TextView)findViewById(R.id.Status)).setText(departure.getStatus());
51	((TextView)findViewById(R.id.Location)).setText(departure.getLocation());
52	((TextView)findViewById(R.id.Note)).setText(departure.getNote());
53	((TextView)findViewById(R.id.Updated)).setText(departure.getLastUpdateString(this));
54
55
56	if (savedInstanceState == null) {
57	startTimetableFetcher();
58	} else {
59	timetables = (List<TimetableBean>) savedInstanceState.getSerializable("timetables");
60	adapter.setTimetable(timetables);
61	}
62	}
63
64	@Override
65	public void onSaveInstanceState(Bundle outState)
66	{
67	dismissDialog(DLG_PROGRESS);
68	outState.putSerializable("timetables", (ArrayList<TimetableBean>) timetables);
69	}
70
71	/* case DLG_DETAILS:
72	DepartureBean currentDeparture = departures.get(selectedItemId);
73	((TextView)dialog.findViewById(R.id.Time)).setText(currentDeparture.getTime());
74	((TextView)dialog.findViewById(R.id.Train)).setText(currentDeparture.getTrainNumber());
75	((TextView)dialog.findViewById(R.id.Destination)).setText( currentDeparture.getDestination());
76	((TextView)dialog.findViewById(R.id.Origin)).setText(currentDeparture.getOrigin());
77	((TextView)dialog.findViewById(R.id.Location)).setText(currentDeparture.getLocation());
78	((TextView)dialog.findViewById(R.id.Updated)).setText(currentDeparture.getLastUpdateString());
79	((TextView)dialog.findViewById(R.id.Status)).setText(currentDeparture.getStatus());
80	((TextView)dialog.findViewById(R.id.Note)).setText(currentDeparture.getNote());
81	detailsDialog = dialog;
82	break;
83
84	*/
85
86	@Override
87	protected void onPrepareDialog(int id, Dialog dialog) {
88	super.onPrepareDialog(id, dialog);
89
90	switch (id) {
91	case DLG_PROGRESS:
92	//pgDialog = (ProgressDialog) dialog;
93	break;
94	}
95	}
96
97	@Override
98	protected Dialog onCreateDialog(int id) {
99	switch (id) {
100	case DLG_PROGRESS:
101	ProgressDialog dlg = new ProgressDialog(this);
102	dlg.setMessage( getString(timetablelist_fetchdata) );
103	dlg.setCancelable(true);
104	return dlg;
105	default:
106	return super.onCreateDialog(id);
107	}
108	}
109
110	void startTimetableFetcher() {
111	showDialog(DLG_PROGRESS);
112	fetcher = new TimetableFetcher();
113	fetcher.execute(departure.getTrainNumber());
114	}
115
116	class TimetableFetcher extends AsyncTask<String,Void,Void> {
117
118	boolean success;
119
120	@Override
121	protected void onPostExecute(Void result) {
122	super.onPostExecute(result);
123	dismissDialog(DLG_PROGRESS);
124
125
126	if (success) {
127	adapter.setTimetable(timetables);
128	if (timetables.size() == 0) {
129	MessageBox.showMessage(TimetableList.this, getString(timetablelist_nodata));
130	}
131	} else { // communication or parse error
132	AlertDialog.Builder builder = new AlertDialog.Builder(TimetableList.this);
133	builder.setMessage(getString(timetablelist_fetcherror));
134	builder.setCancelable(true);
135	builder.setPositiveButton(getString(generic_retry), new DialogInterface.OnClickListener() {
136	public void onClick(DialogInterface dialog, int id) {
137	dialog.dismiss();
138	startTimetableFetcher();
139
140	}
141	});
142	builder.setNegativeButton(getString(generic_cancel), new DialogInterface.OnClickListener() {
143	public void onClick(DialogInterface dialog, int id) {
144	dialog.dismiss();
145	}
146	});
147	builder.show();
148	}
149
150	}
151
152	@Override
153	protected Void doInBackground(String... arg0) {
154	String trainID = arg0[0];
155	success = provider.lookupTimetable(trainID);
156	timetables = provider.getTimetable(trainID);
157
158	return null;
159	}
160
161	}
162	}