thoerup/traininfo/TrainInfoList.java

package dk.thoerup.traininfo;

import android.app.Dialog;
import android.app.ListActivity;
import android.app.ProgressDialog;
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;
import dk.thoerup.traininfo.util.MessageBox;

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();
                                if (locator.getStations().size() == 0)
                                        MessageBox.showMessage(TrainInfoList.this,"Error loading station list!");
                                adapter.setStations( locator.getStations() );
                                break;
                        case NOPROVIDER:
                                dialog.dismiss();
                                MessageBox.showMessage(TrainInfoList.this,"No location provider enabled. Plase enable gps.");
                                break;
                        case FIXTIMEOUT:
                                dialog.dismiss();
                                if (isRunning) {
                                        locator.abortLocationListener();
                                        MessageBox.showMessage(TrainInfoList.this,"GPS fix timed out");
                                }
                                break;
                        case LOOKUPSTATIONFAILED:
                                dialog.dismiss();
                                MessageBox.showMessage(TrainInfoList.this,"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);
        }

        
        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.Dialog;
4	import android.app.ListActivity;
5	import android.app.ProgressDialog;
6	import android.content.Intent;
7	import android.os.AsyncTask;
8	import android.os.Bundle;
9	import android.os.Handler;
10	import android.os.Message;
11	import android.view.View;
12	import android.widget.ListView;
13	import dk.thoerup.traininfo.util.MessageBox;
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	LocatorTask locatorTask = new LocatorTask();
28
29	boolean isRunning;
30
31	StationListAdapter adapter = null;
32	@Override
33	public void onCreate(Bundle savedInstanceState) {
34	super.onCreate(savedInstanceState);
35	setContentView(R.layout.main);
36
37	//StationLocator.injectMockLocation(this);
38
39	adapter = new StationListAdapter(this);
40	setListAdapter(adapter);
41
42	locator = new StationLocator(this, stationsFetched);
43
44	startLookup();
45	}
46
47	@Override
48	public void onSaveInstanceState(Bundle outState)
49	{
50	if (dialog.isShowing())
51	dialog.dismiss();
52	}
53
54
55
56	@Override
57	protected Dialog onCreateDialog(int id) {
58	switch (id) {
59	case DLG_PROGRESS:
60	ProgressDialog dlg = new ProgressDialog(this);
61	dlg.setMessage("Wait for location fix");
62	dlg.setCancelable(false);
63	return dlg;
64	default:
65	return super.onCreateDialog(id);
66	}
67
68	}
69
70
71
72	@Override
73	protected void onPrepareDialog(int id, Dialog dialog) {
74	super.onPrepareDialog(id, dialog);
75	switch (id) {
76	case DLG_PROGRESS:
77	this.dialog = (ProgressDialog) dialog;
78	break;
79	}
80	}
81
82	public void startLookup() {
83	isRunning = true;
84	showDialog(DLG_PROGRESS);
85
86	locator.locateStations();
87	stationsFetched.sendEmptyMessageDelayed(FIXTIMEOUT, 20000);
88	}
89
90
91	Handler stationsFetched = new Handler() {
92	@Override
93	public void handleMessage(Message msg) {
94
95	switch (msg.what) {
96	case GOTLOCATION:
97	dialog.setMessage("Finding nearby stations");
98	locatorTask.execute();
99	break;
100	case GOTSTATIONLIST:
101	dialog.dismiss();
102	if (locator.getStations().size() == 0)
103	MessageBox.showMessage(TrainInfoList.this,"Error loading station list!");
104	adapter.setStations( locator.getStations() );
105	break;
106	case NOPROVIDER:
107	dialog.dismiss();
108	MessageBox.showMessage(TrainInfoList.this,"No location provider enabled. Plase enable gps.");
109	break;
110	case FIXTIMEOUT:
111	dialog.dismiss();
112	if (isRunning) {
113	locator.abortLocationListener();
114	MessageBox.showMessage(TrainInfoList.this,"GPS fix timed out");
115	}
116	break;
117	case LOOKUPSTATIONFAILED:
118	dialog.dismiss();
119	MessageBox.showMessage(TrainInfoList.this,"Error on finding nearby stations");
120	break;
121	}
122
123	isRunning = false;
124	}
125	};
126
127
128
129	@Override
130	protected void onListItemClick(ListView l, View v, int position, long id) {
131	super.onListItemClick(l, v, position, id);
132
133	StationBean station = adapter.getStation(position);
134
135
136	Intent intent = new Intent(this, DepartureList.class);
137	intent.putExtra("name", station.getName());
138	intent.putExtra("address", station.getAddress());
139	intent.putExtra("distance", station.getDistance());
140	intent.putExtra("latitude", station.getLatitude());
141	intent.putExtra("longitude", station.getLongitude());
142	startActivity(intent);
143	}
144
145
146	class LocatorTask extends AsyncTask<Void,Void,Void> {
147	@Override
148	protected void onPreExecute() {
149	super.onPreExecute();
150	}
151
152	@Override
153	protected Void doInBackground(Void... params) {
154	locator.findNearestStations();
155	return null;
156	}
157
158	@Override
159	protected void onPostExecute(Void result) {
160	super.onPostExecute(result);
161	}
162	}
163	}