thoerup/traininfo/TrainInfoList.java

package dk.thoerup.traininfo;

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.Bundle;
import android.os.Handler;
import android.os.Message;
import android.view.View;
import android.widget.ListView;

public class TrainInfoList extends ListActivity  {
        public static final int GOTLOCATION = 1;
        public static final int GOTSTATIONLIST = 2;
        public static final int NOPROVIDER = 3;
        public static final int FIXTIMEOUT = 4;
        public static final int LOOKUPSTATIONFAILED = 5;
        
        public static final int DLG_PROGRESS = 1;
        
        /** Called when the activity is first created. */
        ProgressDialog dialog;
        StationLocator locator = null;
        
        boolean isRunning;

        StationListAdapter adapter = null;
        @Override
        public void onCreate(Bundle savedInstanceState) {
                super.onCreate(savedInstanceState);
                setContentView(R.layout.main);
                
                adapter = new StationListAdapter(this);
                setListAdapter(adapter);
                
                locator = new StationLocator(this, stationsFetched);
                
                startLookup();
        }
        
        
        @Override
        protected Dialog onCreateDialog(int id) {
                switch (id) {
                case DLG_PROGRESS:
                        ProgressDialog dlg = new ProgressDialog(this);
                        dlg.setMessage("Wait for location fix");
                        dlg.setCancelable(false);
                        return dlg;
                default:
                        return super.onCreateDialog(id);                
                }
                
        }
        
        
        @Override
        protected void onPrepareDialog(int id, Dialog dialog) {
                super.onPrepareDialog(id, dialog);
                switch (id) {
                case DLG_PROGRESS:
                        this.dialog = (ProgressDialog) dialog;
                        break;
                }
        }

        public void startLookup() {
                isRunning = true;
                showDialog(DLG_PROGRESS);
                
                locator.locateStations();
                stationsFetched.sendEmptyMessageDelayed(FIXTIMEOUT, 20000);             
        }


        Handler stationsFetched = new Handler() {
                @Override
                public void handleMessage(Message msg) {
                        
                        switch (msg.what) {
                        case GOTLOCATION:
                                dialog.setMessage("Finding nearby stations");
                                break;
                        case GOTSTATIONLIST:
                                dialog.dismiss();
                                adapter.setStations( locator.getStations() );
                                break;
                        case NOPROVIDER:
                                dialog.dismiss();
                                showMessageBox("No Location provider enabled. Plase enabled gps.");
                                break;
                        case FIXTIMEOUT:
                                dialog.dismiss();
                                if (isRunning) {
                                        locator.abortLocationListener();
                                        showMessageBox("GPS fix timed out");
                                }
                                break;
                        case LOOKUPSTATIONFAILED:
                                dialog.dismiss();
                                showMessageBox("Error on finding nearby stations");
                                break;
                        }
                        
                        isRunning = false;
                }
        };
        
        
        @Override
        protected void onListItemClick(ListView l, View v, int position, long id) {
                super.onListItemClick(l, v, position, id);
                
                StationBean station = adapter.getStation(position);
                
                
                Intent intent = new Intent(this, DepartureList.class);
                intent.putExtra("name", station.getName());
                intent.putExtra("address", station.getAddress());
                intent.putExtra("distance", station.getDistance());
                intent.putExtra("latitude", station.getLatitude());
                intent.putExtra("longitude", station.getLongitude());
                startActivity(intent);
        }

        public void showMessageBox(String message) {
                AlertDialog.Builder builder = new AlertDialog.Builder(this);
                builder.setMessage(message)
                .setCancelable(false)
                .setPositiveButton("OK", new DialogInterface.OnClickListener() {
                        public void onClick(DialogInterface dialog, int id) {
                                dialog.dismiss();
                        }
                })
                .show();

        }
}
1	package dk.thoerup.traininfo;
2
3	import android.app.AlertDialog;
4	import android.app.Dialog;
5	import android.app.ListActivity;
6	import android.app.ProgressDialog;
7	import android.content.DialogInterface;
8	import android.content.Intent;
9	import android.os.Bundle;
10	import android.os.Handler;
11	import android.os.Message;
12	import android.view.View;
13	import android.widget.ListView;
14
15	public class TrainInfoList extends ListActivity {
16	public static final int GOTLOCATION = 1;
17	public static final int GOTSTATIONLIST = 2;
18	public static final int NOPROVIDER = 3;
19	public static final int FIXTIMEOUT = 4;
20	public static final int LOOKUPSTATIONFAILED = 5;
21
22	public static final int DLG_PROGRESS = 1;
23
24	/** Called when the activity is first created. */
25	ProgressDialog dialog;
26	StationLocator locator = null;
27
28	boolean isRunning;
29
30	StationListAdapter adapter = null;
31	@Override
32	public void onCreate(Bundle savedInstanceState) {
33	super.onCreate(savedInstanceState);
34	setContentView(R.layout.main);
35
36	adapter = new StationListAdapter(this);
37	setListAdapter(adapter);
38
39	locator = new StationLocator(this, stationsFetched);
40
41	startLookup();
42	}
43
44
45
46	@Override
47	protected Dialog onCreateDialog(int id) {
48	switch (id) {
49	case DLG_PROGRESS:
50	ProgressDialog dlg = new ProgressDialog(this);
51	dlg.setMessage("Wait for location fix");
52	dlg.setCancelable(false);
53	return dlg;
54	default:
55	return super.onCreateDialog(id);
56	}
57
58	}
59
60
61
62	@Override
63	protected void onPrepareDialog(int id, Dialog dialog) {
64	super.onPrepareDialog(id, dialog);
65	switch (id) {
66	case DLG_PROGRESS:
67	this.dialog = (ProgressDialog) dialog;
68	break;
69	}
70	}
71
72	public void startLookup() {
73	isRunning = true;
74	showDialog(DLG_PROGRESS);
75
76	locator.locateStations();
77	stationsFetched.sendEmptyMessageDelayed(FIXTIMEOUT, 20000);
78	}
79
80
81	Handler stationsFetched = new Handler() {
82	@Override
83	public void handleMessage(Message msg) {
84
85	switch (msg.what) {
86	case GOTLOCATION:
87	dialog.setMessage("Finding nearby stations");
88	break;
89	case GOTSTATIONLIST:
90	dialog.dismiss();
91	adapter.setStations( locator.getStations() );
92	break;
93	case NOPROVIDER:
94	dialog.dismiss();
95	showMessageBox("No Location provider enabled. Plase enabled gps.");
96	break;
97	case FIXTIMEOUT:
98	dialog.dismiss();
99	if (isRunning) {
100	locator.abortLocationListener();
101	showMessageBox("GPS fix timed out");
102	}
103	break;
104	case LOOKUPSTATIONFAILED:
105	dialog.dismiss();
106	showMessageBox("Error on finding nearby stations");
107	break;
108	}
109
110	isRunning = false;
111	}
112	};
113
114
115
116	@Override
117	protected void onListItemClick(ListView l, View v, int position, long id) {
118	super.onListItemClick(l, v, position, id);
119
120	StationBean station = adapter.getStation(position);
121
122
123	Intent intent = new Intent(this, DepartureList.class);
124	intent.putExtra("name", station.getName());
125	intent.putExtra("address", station.getAddress());
126	intent.putExtra("distance", station.getDistance());
127	intent.putExtra("latitude", station.getLatitude());
128	intent.putExtra("longitude", station.getLongitude());
129	startActivity(intent);
130	}
131
132	public void showMessageBox(String message) {
133	AlertDialog.Builder builder = new AlertDialog.Builder(this);
134	builder.setMessage(message)
135	.setCancelable(false)
136	.setPositiveButton("OK", new DialogInterface.OnClickListener() {
137	public void onClick(DialogInterface dialog, int id) {
138	dialog.dismiss();
139	}
140	})
141	.show();
142
143	}
144	}