thoerup/traininfo/WelcomeScreen.java

package dk.thoerup.traininfo;


import android.app.Activity;
import android.app.ProgressDialog;
import android.content.Intent;
import android.content.SharedPreferences;
import android.content.SharedPreferences.Editor;
import android.net.Uri;
import android.os.AsyncTask;
import android.os.Bundle;
import android.os.Handler;
import android.util.Log;
import android.view.Menu;
import android.view.MenuItem;
import android.view.View;
import android.view.View.OnClickListener;
import android.view.Window;
import android.widget.Button;
import android.widget.Toast;

import com.nullwire.trace.ExceptionHandler;

import dk.thoerup.androidutils.CheckUpdates;
import dk.thoerup.traininfo.provider.OfflineStationProvider;
import dk.thoerup.traininfo.provider.ProviderFactory;
import dk.thoerup.traininfo.provider.StationProvider;


public class WelcomeScreen extends Activity{
        
        final static String stationsreload = "stationsreload";
        final static int MENU_SETTINGS = 1;
        final static int MENU_RELOAD = 2;
        
        
        public enum ListType {
                ListNearest,
                ListSearch,
                ListFavorites
        }
        
        Handler handler = new Handler();
        
        SharedPreferences prefs;
        
        @Override
        public void onCreate(Bundle savedInstanceState) {
                
                super.onCreate(savedInstanceState);
                
                prefs = getSharedPreferences("TrainStation", 0);
                
                requestWindowFeature( Window.FEATURE_NO_TITLE );
                setContentView(R.layout.welcome);
                
                Button nearestButton = (Button) findViewById(R.id.nearest);
                nearestButton.setOnClickListener( new StationListListener(ListType.ListNearest));
                
                Button searchButton = (Button) findViewById(R.id.search);
                searchButton.setOnClickListener( new StationListListener(ListType.ListSearch));
                
                Button favoritesButton = (Button) findViewById(R.id.favorites);
                favoritesButton.setOnClickListener( new StationListListener(ListType.ListFavorites));
                
                Button aboutButton = (Button) findViewById(R.id.about);
                aboutButton.setOnClickListener( new AboutListener() );
                
                ExceptionHandler.register(this, "http://t-hoerup.dk/android/trace.php");
                
                CheckUpdates update = new CheckUpdates();
                update.checkForUpdates(this, "http://t-hoerup.dk/android/traininfo/version.txt", "TrainInfo DK", null);
                /*
                Runnable r = new Runnable() {
                        @Override
                        public void run() {
                                View splash = findViewById(R.id.splash);
                                splash.setVisibility(View.GONE);
                        }
                };              
                handler.postDelayed(r, 1500);
                */
                
                StationProvider sp = ProviderFactory.getStationProvider();
                
                if (sp instanceof OfflineStationProvider ) {
                        OfflineStationProvider osp = (OfflineStationProvider) sp;
                        try {
                                
                                long last = prefs.getLong(stationsreload, 0);
                                long now = System.currentTimeMillis();
                                
                                Log.i("TrainInfo", "Last Load: " + last);
                                
                                if ( (now-last) > (14*24*60*60*1000) ) {
                                        new StationLoader(osp).execute( (Void)null);
                                } else {
                                
                                        boolean didLoad = osp.loadStations(this);
                                        
                                        if (didLoad == false) {                                 
                                                new StationLoader(osp).execute( (Void)null);
                                        }
                                }
                                
                        } catch (Exception e) {
                                Toast.makeText(this, "" + e.getMessage(), Toast.LENGTH_SHORT).show();
                        }
                }
        }
        
        
        @Override
        protected void onDestroy() {
                super.onDestroy();
                ProviderFactory.purgeOldEntries(); //exiting application, do some cleanup
        }


        @Override
        public boolean onCreateOptionsMenu(Menu menu) {
                MenuItem item;
                
                item = menu.add(0, MENU_SETTINGS, 0, getString(R.string.welcome_settings) );
                item.setIcon(android.R.drawable.ic_menu_preferences);
                
                item = menu.add(0, MENU_RELOAD, 0, getString(R.string.welcome_reloadstations));
                item.setIcon(android.R.drawable.ic_menu_rotate);
                
                return true;
        }
        
        @Override
        public boolean onOptionsItemSelected(MenuItem item) {
                boolean retval = true;
                
                switch (item.getItemId()) {
                case MENU_SETTINGS:
                        Intent intent = new Intent(WelcomeScreen.this, SettingsScreen.class);
                        WelcomeScreen.this.startActivity(intent);
                        break;
                        
                case MENU_RELOAD:
                        OfflineStationProvider osp = (OfflineStationProvider) ProviderFactory.getStationProvider();
                        new StationLoader(osp).execute( (Void)null);                    
                        break;
                        
                default:
                        retval = super.onOptionsItemSelected(item);
                }
                
                return retval;
        }
        

        class AboutListener implements OnClickListener {

                @Override
                public void onClick(View v) {
                        /*
                        String appName = WelcomeScreen.this.getResources().getString(R.string.app_name);
                        String ver = WelcomeScreen.this.getResources().getString(R.string.app_version);                 
                        
                        StringBuffer message = new StringBuffer();
                        message.append(appName);
                        message.append(" v").append(ver).append("\n");
                        message.append("By Torben H. Nielsen\n"); 

                        MessageBox.showMessage(WelcomeScreen.this, message.toString());*/
                        Intent browserIntent = new Intent(Intent.ACTION_VIEW, Uri.parse("http://t-hoerup.dk/android/traininfo/")); 
                        startActivity(browserIntent);
                }

        }
        

        class StationListListener implements OnClickListener{
                ListType launchType;
                StationListListener(ListType type) {
                        launchType = type;
                }
                
                @Override
                public void onClick(View v) {
                        Intent intent = new Intent(WelcomeScreen.this, StationList.class);
                        intent.putExtra("type", launchType);
                        WelcomeScreen.this.startActivity(intent);
                }
                
        }
        
        class StationLoader extends AsyncTask<Void,Void,Void> {


                boolean succeeded;
                ProgressDialog dlg;
                OfflineStationProvider osp;
                String exMsg;
                
                public StationLoader(OfflineStationProvider osp) {
                        this.osp = osp;
                }
                
                @Override
                protected Void doInBackground(Void... params) {
                        try {
                                osp.downloadStations( WelcomeScreen.this );
                                succeeded = true;
                        } catch (Exception e) {
                                succeeded = false;
                                exMsg = e.getMessage();                         
                        }
                        return null;
                }

                @Override
                protected void onPreExecute() {
                        super.onPreExecute();
                        
                        dlg = new ProgressDialog(WelcomeScreen.this);
                        dlg.setMessage( "Downloading stations list" );//TODO: translate
                        dlg.setCancelable(true);
                        dlg.show();
                }

                @Override
                protected void onPostExecute(Void result) {
                        super.onPostExecute(result);
                        
                        dlg.dismiss();
                        dlg = null;
                        
                        if (succeeded) {
                                Editor edit = prefs.edit();
                                edit.putLong(stationsreload, System.currentTimeMillis() );
                                edit.commit();
                        } else {
                                Toast.makeText(WelcomeScreen.this, "Error " + exMsg, Toast.LENGTH_LONG).show();
                        }
                }       
        }
        
}
1	package dk.thoerup.traininfo;
2
3
4
5	import android.app.Activity;
6	import android.app.ProgressDialog;
7	import android.content.Intent;
8	import android.content.SharedPreferences;
9	import android.content.SharedPreferences.Editor;
10	import android.net.Uri;
11	import android.os.AsyncTask;
12	import android.os.Bundle;
13	import android.os.Handler;
14	import android.util.Log;
15	import android.view.Menu;
16	import android.view.MenuItem;
17	import android.view.View;
18	import android.view.View.OnClickListener;
19	import android.view.Window;
20	import android.widget.Button;
21	import android.widget.Toast;
22
23	import com.nullwire.trace.ExceptionHandler;
24
25	import dk.thoerup.androidutils.CheckUpdates;
26	import dk.thoerup.traininfo.provider.OfflineStationProvider;
27	import dk.thoerup.traininfo.provider.ProviderFactory;
28	import dk.thoerup.traininfo.provider.StationProvider;
29
30
31	public class WelcomeScreen extends Activity{
32
33	final static String stationsreload = "stationsreload";
34	final static int MENU_SETTINGS = 1;
35	final static int MENU_RELOAD = 2;
36
37
38	public enum ListType {
39	ListNearest,
40	ListSearch,
41	ListFavorites
42	}
43
44	Handler handler = new Handler();
45
46	SharedPreferences prefs;
47
48	@Override
49	public void onCreate(Bundle savedInstanceState) {
50
51	super.onCreate(savedInstanceState);
52
53	prefs = getSharedPreferences("TrainStation", 0);
54
55	requestWindowFeature( Window.FEATURE_NO_TITLE );
56	setContentView(R.layout.welcome);
57
58	Button nearestButton = (Button) findViewById(R.id.nearest);
59	nearestButton.setOnClickListener( new StationListListener(ListType.ListNearest));
60
61	Button searchButton = (Button) findViewById(R.id.search);
62	searchButton.setOnClickListener( new StationListListener(ListType.ListSearch));
63
64	Button favoritesButton = (Button) findViewById(R.id.favorites);
65	favoritesButton.setOnClickListener( new StationListListener(ListType.ListFavorites));
66
67	Button aboutButton = (Button) findViewById(R.id.about);
68	aboutButton.setOnClickListener( new AboutListener() );
69
70	ExceptionHandler.register(this, "http://t-hoerup.dk/android/trace.php");
71
72	CheckUpdates update = new CheckUpdates();
73	update.checkForUpdates(this, "http://t-hoerup.dk/android/traininfo/version.txt", "TrainInfo DK", null);
74	/*
75	Runnable r = new Runnable() {
76	@Override
77	public void run() {
78	View splash = findViewById(R.id.splash);
79	splash.setVisibility(View.GONE);
80	}
81	};
82	handler.postDelayed(r, 1500);
83	*/
84
85	StationProvider sp = ProviderFactory.getStationProvider();
86
87	if (sp instanceof OfflineStationProvider ) {
88	OfflineStationProvider osp = (OfflineStationProvider) sp;
89	try {
90
91	long last = prefs.getLong(stationsreload, 0);
92	long now = System.currentTimeMillis();
93
94	Log.i("TrainInfo", "Last Load: " + last);
95
96	if ( (now-last) > (142460601000) ) {
97	new StationLoader(osp).execute( (Void)null);
98	} else {
99
100	boolean didLoad = osp.loadStations(this);
101
102	if (didLoad == false) {
103	new StationLoader(osp).execute( (Void)null);
104	}
105	}
106
107	} catch (Exception e) {
108	Toast.makeText(this, "" + e.getMessage(), Toast.LENGTH_SHORT).show();
109	}
110	}
111	}
112
113
114
115	@Override
116	protected void onDestroy() {
117	super.onDestroy();
118	ProviderFactory.purgeOldEntries(); //exiting application, do some cleanup
119	}
120
121
122	@Override
123	public boolean onCreateOptionsMenu(Menu menu) {
124	MenuItem item;
125
126	item = menu.add(0, MENU_SETTINGS, 0, getString(R.string.welcome_settings) );
127	item.setIcon(android.R.drawable.ic_menu_preferences);
128
129	item = menu.add(0, MENU_RELOAD, 0, getString(R.string.welcome_reloadstations));
130	item.setIcon(android.R.drawable.ic_menu_rotate);
131
132	return true;
133	}
134
135	@Override
136	public boolean onOptionsItemSelected(MenuItem item) {
137	boolean retval = true;
138
139	switch (item.getItemId()) {
140	case MENU_SETTINGS:
141	Intent intent = new Intent(WelcomeScreen.this, SettingsScreen.class);
142	WelcomeScreen.this.startActivity(intent);
143	break;
144
145	case MENU_RELOAD:
146	OfflineStationProvider osp = (OfflineStationProvider) ProviderFactory.getStationProvider();
147	new StationLoader(osp).execute( (Void)null);
148	break;
149
150	default:
151	retval = super.onOptionsItemSelected(item);
152	}
153
154	return retval;
155	}
156
157
158	class AboutListener implements OnClickListener {
159
160	@Override
161	public void onClick(View v) {
162	/*
163	String appName = WelcomeScreen.this.getResources().getString(R.string.app_name);
164	String ver = WelcomeScreen.this.getResources().getString(R.string.app_version);
165
166	StringBuffer message = new StringBuffer();
167	message.append(appName);
168	message.append(" v").append(ver).append("\n");
169	message.append("By Torben H. Nielsen\n");
170
171	MessageBox.showMessage(WelcomeScreen.this, message.toString());*/
172	Intent browserIntent = new Intent(Intent.ACTION_VIEW, Uri.parse("http://t-hoerup.dk/android/traininfo/"));
173	startActivity(browserIntent);
174	}
175
176	}
177
178
179	class StationListListener implements OnClickListener{
180	ListType launchType;
181	StationListListener(ListType type) {
182	launchType = type;
183	}
184
185	@Override
186	public void onClick(View v) {
187	Intent intent = new Intent(WelcomeScreen.this, StationList.class);
188	intent.putExtra("type", launchType);
189	WelcomeScreen.this.startActivity(intent);
190	}
191
192	}
193
194	class StationLoader extends AsyncTask<Void,Void,Void> {
195
196
197	boolean succeeded;
198	ProgressDialog dlg;
199	OfflineStationProvider osp;
200	String exMsg;
201
202	public StationLoader(OfflineStationProvider osp) {
203	this.osp = osp;
204	}
205
206	@Override
207	protected Void doInBackground(Void... params) {
208	try {
209	osp.downloadStations( WelcomeScreen.this );
210	succeeded = true;
211	} catch (Exception e) {
212	succeeded = false;
213	exMsg = e.getMessage();
214	}
215	return null;
216	}
217
218	@Override
219	protected void onPreExecute() {
220	super.onPreExecute();
221
222	dlg = new ProgressDialog(WelcomeScreen.this);
223	dlg.setMessage( "Downloading stations list" );//TODO: translate
224	dlg.setCancelable(true);
225	dlg.show();
226	}
227
228	@Override
229	protected void onPostExecute(Void result) {
230	super.onPostExecute(result);
231
232	dlg.dismiss();
233	dlg = null;
234
235	if (succeeded) {
236	Editor edit = prefs.edit();
237	edit.putLong(stationsreload, System.currentTimeMillis() );
238	edit.commit();
239	} else {
240	Toast.makeText(WelcomeScreen.this, "Error " + exMsg, Toast.LENGTH_LONG).show();
241	}
242	}
243	}
244
245	}