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.AsyncTask;
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;
        LocatorTask locatorTask = new LocatorTask();
        
        boolean isRunning;

        StationListAdapter adapter = null;
        @Override
        public void onCreate(Bundle savedInstanceState) {
                super.onCreate(savedInstanceState);
                setContentView(R.layout.main);
                
                //StationLocator.injectMockLocation(this);
                
                adapter = new StationListAdapter(this);
                setListAdapter(adapter);
                
                locator = new StationLocator(this, stationsFetched);
                
                startLookup();
        }
        
    @Override 
    public void onSaveInstanceState(Bundle outState) 
    {
        if (dialog.isShowing())
                dialog.dismiss();
    }
        
        
        @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");
                                locatorTask.execute();
                                break;
                        case GOTSTATIONLIST:
                                dialog.dismiss();
                                adapter.setStations( locator.getStations() );
                                break;
                        case NOPROVIDER:
                                dialog.dismiss();
                                showMessageBox("No location provider enabled. Plase enable 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();

        }
        
        class LocatorTask extends AsyncTask<Void,Void,Void> {
                @Override
                protected void onPreExecute() {
                        super.onPreExecute();
                }
                
                @Override
                protected Void doInBackground(Void... params) {
                        locator.findNearestStations();
                        return null;
                }

                @Override
                protected void onPostExecute(Void result) {
                        super.onPostExecute(result);
                }
        }
}
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.AsyncTask;
10	import android.os.Bundle;
11	import android.os.Handler;
12	import android.os.Message;
13	import android.view.View;
14	import android.widget.ListView;
15
16	public class TrainInfoList extends ListActivity {
17	public static final int GOTLOCATION = 1;
18	public static final int GOTSTATIONLIST = 2;
19	public static final int NOPROVIDER = 3;
20	public static final int FIXTIMEOUT = 4;
21	public static final int LOOKUPSTATIONFAILED = 5;
22
23	public static final int DLG_PROGRESS = 1;
24
25	/** Called when the activity is first created. */
26	ProgressDialog dialog;
27	StationLocator locator = null;
28	LocatorTask locatorTask = new LocatorTask();
29
30	boolean isRunning;
31
32	StationListAdapter adapter = null;
33	@Override
34	public void onCreate(Bundle savedInstanceState) {
35	super.onCreate(savedInstanceState);
36	setContentView(R.layout.main);
37
38	//StationLocator.injectMockLocation(this);
39
40	adapter = new StationListAdapter(this);
41	setListAdapter(adapter);
42
43	locator = new StationLocator(this, stationsFetched);
44
45	startLookup();
46	}
47
48	@Override
49	public void onSaveInstanceState(Bundle outState)
50	{
51	if (dialog.isShowing())
52	dialog.dismiss();
53	}
54
55
56
57	@Override
58	protected Dialog onCreateDialog(int id) {
59	switch (id) {
60	case DLG_PROGRESS:
61	ProgressDialog dlg = new ProgressDialog(this);
62	dlg.setMessage("Wait for location fix");
63	dlg.setCancelable(false);
64	return dlg;
65	default:
66	return super.onCreateDialog(id);
67	}
68
69	}
70
71
72
73	@Override
74	protected void onPrepareDialog(int id, Dialog dialog) {
75	super.onPrepareDialog(id, dialog);
76	switch (id) {
77	case DLG_PROGRESS:
78	this.dialog = (ProgressDialog) dialog;
79	break;
80	}
81	}
82
83	public void startLookup() {
84	isRunning = true;
85	showDialog(DLG_PROGRESS);
86
87	locator.locateStations();
88	stationsFetched.sendEmptyMessageDelayed(FIXTIMEOUT, 20000);
89	}
90
91
92	Handler stationsFetched = new Handler() {
93	@Override
94	public void handleMessage(Message msg) {
95
96	switch (msg.what) {
97	case GOTLOCATION:
98	dialog.setMessage("Finding nearby stations");
99	locatorTask.execute();
100	break;
101	case GOTSTATIONLIST:
102	dialog.dismiss();
103	adapter.setStations( locator.getStations() );
104	break;
105	case NOPROVIDER:
106	dialog.dismiss();
107	showMessageBox("No location provider enabled. Plase enable gps.");
108	break;
109	case FIXTIMEOUT:
110	dialog.dismiss();
111	if (isRunning) {
112	locator.abortLocationListener();
113	showMessageBox("GPS fix timed out");
114	}
115	break;
116	case LOOKUPSTATIONFAILED:
117	dialog.dismiss();
118	showMessageBox("Error on finding nearby stations");
119	break;
120	}
121
122	isRunning = false;
123	}
124	};
125
126
127
128	@Override
129	protected void onListItemClick(ListView l, View v, int position, long id) {
130	super.onListItemClick(l, v, position, id);
131
132	StationBean station = adapter.getStation(position);
133
134
135	Intent intent = new Intent(this, DepartureList.class);
136	intent.putExtra("name", station.getName());
137	intent.putExtra("address", station.getAddress());
138	intent.putExtra("distance", station.getDistance());
139	intent.putExtra("latitude", station.getLatitude());
140	intent.putExtra("longitude", station.getLongitude());
141	startActivity(intent);
142	}
143
144	public void showMessageBox(String message) {
145	AlertDialog.Builder builder = new AlertDialog.Builder(this);
146	builder.setMessage(message)
147	.setCancelable(false)
148	.setPositiveButton("OK", new DialogInterface.OnClickListener() {
149	public void onClick(DialogInterface dialog, int id) {
150	dialog.dismiss();
151	}
152	})
153	.show();
154
155	}
156
157	class LocatorTask extends AsyncTask<Void,Void,Void> {
158	@Override
159	protected void onPreExecute() {
160	super.onPreExecute();
161	}
162
163	@Override
164	protected Void doInBackground(Void... params) {
165	locator.findNearestStations();
166	return null;
167	}
168
169	@Override
170	protected void onPostExecute(Void result) {
171	super.onPostExecute(result);
172	}
173	}
174	}