thoerup/traininfo/WelcomeScreen.java

package dk.thoerup.traininfo;


import java.io.InvalidClassException;

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;
                        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 = false;
                                
                                try {
                                        didLoad = osp.loadStations(this);
                                } 
                                catch (InvalidClassException e) {
                                        Log.i("TrainInfo", "invalid class - do a new download of stationlist");
                                }
                                catch (Exception e) {
                                        Toast.makeText(this, "" + e.getMessage(), Toast.LENGTH_SHORT).show();
                                        Log.e("TrainInfo", "load error", e);
                                }
                                
                                if (didLoad == false) {                                 
                                        new StationLoader(osp).execute( (Void)null);
                                }
                        }

                }
        }
        
        
        @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 java.io.InvalidClassException;
6
7	import android.app.Activity;
8	import android.app.ProgressDialog;
9	import android.content.Intent;
10	import android.content.SharedPreferences;
11	import android.content.SharedPreferences.Editor;
12	import android.net.Uri;
13	import android.os.AsyncTask;
14	import android.os.Bundle;
15	import android.os.Handler;
16	import android.util.Log;
17	import android.view.Menu;
18	import android.view.MenuItem;
19	import android.view.View;
20	import android.view.View.OnClickListener;
21	import android.view.Window;
22	import android.widget.Button;
23	import android.widget.Toast;
24
25	import com.nullwire.trace.ExceptionHandler;
26
27	import dk.thoerup.androidutils.CheckUpdates;
28	import dk.thoerup.traininfo.provider.OfflineStationProvider;
29	import dk.thoerup.traininfo.provider.ProviderFactory;
30	import dk.thoerup.traininfo.provider.StationProvider;
31
32
33	public class WelcomeScreen extends Activity{
34
35	final static String stationsreload = "stationsreload";
36	final static int MENU_SETTINGS = 1;
37	final static int MENU_RELOAD = 2;
38
39
40	public enum ListType {
41	ListNearest,
42	ListSearch,
43	ListFavorites
44	}
45
46	Handler handler = new Handler();
47
48	SharedPreferences prefs;
49
50	@Override
51	public void onCreate(Bundle savedInstanceState) {
52
53	super.onCreate(savedInstanceState);
54
55	prefs = getSharedPreferences("TrainStation", 0);
56
57	requestWindowFeature( Window.FEATURE_NO_TITLE );
58	setContentView(R.layout.welcome);
59
60	Button nearestButton = (Button) findViewById(R.id.nearest);
61	nearestButton.setOnClickListener( new StationListListener(ListType.ListNearest));
62
63	Button searchButton = (Button) findViewById(R.id.search);
64	searchButton.setOnClickListener( new StationListListener(ListType.ListSearch));
65
66	Button favoritesButton = (Button) findViewById(R.id.favorites);
67	favoritesButton.setOnClickListener( new StationListListener(ListType.ListFavorites));
68
69	Button aboutButton = (Button) findViewById(R.id.about);
70	aboutButton.setOnClickListener( new AboutListener() );
71
72	ExceptionHandler.register(this, "http://t-hoerup.dk/android/trace.php");
73
74	CheckUpdates update = new CheckUpdates();
75	update.checkForUpdates(this, "http://t-hoerup.dk/android/traininfo/version.txt", "TrainInfo DK", null);
76	/*
77	Runnable r = new Runnable() {
78	@Override
79	public void run() {
80	View splash = findViewById(R.id.splash);
81	splash.setVisibility(View.GONE);
82	}
83	};
84	handler.postDelayed(r, 1500);
85	*/
86
87	StationProvider sp = ProviderFactory.getStationProvider();
88
89	if (sp instanceof OfflineStationProvider ) {
90	OfflineStationProvider osp = (OfflineStationProvider) sp;
91	long last = prefs.getLong(stationsreload, 0);
92	long now = System.currentTimeMillis();
93	Log.i("TrainInfo", "Last Load: " + last);
94
95	if ( (now-last) > (142460601000) ) {
96	new StationLoader(osp).execute( (Void)null);
97	} else {
98
99	boolean didLoad = false;
100
101	try {
102	didLoad = osp.loadStations(this);
103	}
104	catch (InvalidClassException e) {
105	Log.i("TrainInfo", "invalid class - do a new download of stationlist");
106	}
107	catch (Exception e) {
108	Toast.makeText(this, "" + e.getMessage(), Toast.LENGTH_SHORT).show();
109	Log.e("TrainInfo", "load error", e);
110	}
111
112	if (didLoad == false) {
113	new StationLoader(osp).execute( (Void)null);
114	}
115	}
116
117	}
118	}
119
120
121
122	@Override
123	protected void onDestroy() {
124	super.onDestroy();
125	ProviderFactory.purgeOldEntries(); //exiting application, do some cleanup
126	}
127
128
129	@Override
130	public boolean onCreateOptionsMenu(Menu menu) {
131	MenuItem item;
132
133	item = menu.add(0, MENU_SETTINGS, 0, getString(R.string.welcome_settings) );
134	item.setIcon(android.R.drawable.ic_menu_preferences);
135
136	item = menu.add(0, MENU_RELOAD, 0, getString(R.string.welcome_reloadstations));
137	item.setIcon(android.R.drawable.ic_menu_rotate);
138
139	return true;
140	}
141
142	@Override
143	public boolean onOptionsItemSelected(MenuItem item) {
144	boolean retval = true;
145
146	switch (item.getItemId()) {
147	case MENU_SETTINGS:
148	Intent intent = new Intent(WelcomeScreen.this, SettingsScreen.class);
149	WelcomeScreen.this.startActivity(intent);
150	break;
151
152	case MENU_RELOAD:
153	OfflineStationProvider osp = (OfflineStationProvider) ProviderFactory.getStationProvider();
154	new StationLoader(osp).execute( (Void)null);
155	break;
156
157	default:
158	retval = super.onOptionsItemSelected(item);
159	}
160
161	return retval;
162	}
163
164
165	class AboutListener implements OnClickListener {
166
167	@Override
168	public void onClick(View v) {
169	/*
170	String appName = WelcomeScreen.this.getResources().getString(R.string.app_name);
171	String ver = WelcomeScreen.this.getResources().getString(R.string.app_version);
172
173	StringBuffer message = new StringBuffer();
174	message.append(appName);
175	message.append(" v").append(ver).append("\n");
176	message.append("By Torben H. Nielsen\n");
177
178	MessageBox.showMessage(WelcomeScreen.this, message.toString());*/
179	Intent browserIntent = new Intent(Intent.ACTION_VIEW, Uri.parse("http://t-hoerup.dk/android/traininfo/"));
180	startActivity(browserIntent);
181	}
182
183	}
184
185
186	class StationListListener implements OnClickListener{
187	ListType launchType;
188	StationListListener(ListType type) {
189	launchType = type;
190	}
191
192	@Override
193	public void onClick(View v) {
194	Intent intent = new Intent(WelcomeScreen.this, StationList.class);
195	intent.putExtra("type", launchType);
196	WelcomeScreen.this.startActivity(intent);
197	}
198
199	}
200
201	class StationLoader extends AsyncTask<Void,Void,Void> {
202
203
204	boolean succeeded;
205	ProgressDialog dlg;
206	OfflineStationProvider osp;
207	String exMsg;
208
209	public StationLoader(OfflineStationProvider osp) {
210	this.osp = osp;
211	}
212
213	@Override
214	protected Void doInBackground(Void... params) {
215	try {
216	osp.downloadStations( WelcomeScreen.this );
217	succeeded = true;
218	} catch (Exception e) {
219	succeeded = false;
220	exMsg = e.getMessage();
221	}
222	return null;
223	}
224
225	@Override
226	protected void onPreExecute() {
227	super.onPreExecute();
228
229	dlg = new ProgressDialog(WelcomeScreen.this);
230	dlg.setMessage( "Downloading stations list" );//TODO: translate
231	dlg.setCancelable(true);
232	dlg.show();
233	}
234
235	@Override
236	protected void onPostExecute(Void result) {
237	super.onPostExecute(result);
238
239	dlg.dismiss();
240	dlg = null;
241
242	if (succeeded) {
243	Editor edit = prefs.edit();
244	edit.putLong(stationsreload, System.currentTimeMillis() );
245	edit.commit();
246	} else {
247	Toast.makeText(WelcomeScreen.this, "Error " + exMsg, Toast.LENGTH_LONG).show();
248	}
249	}
250	}
251
252	}