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	torben	481	package dk.thoerup.traininfo;
2
3	torben	1548
4
5	torben	1555	import java.io.InvalidClassException;
6
7	torben	481	import android.app.Activity;
8	torben	1547	import android.app.ProgressDialog;
9	torben	481	import android.content.Intent;
10	torben	1547	import android.content.SharedPreferences;
11			import android.content.SharedPreferences.Editor;
12	torben	500	import android.net.Uri;
13	torben	1547	import android.os.AsyncTask;
14	torben	481	import android.os.Bundle;
15	torben	743	import android.os.Handler;
16	torben	1159	import android.util.Log;
17	torben	1548	import android.view.Menu;
18			import android.view.MenuItem;
19	torben	481	import android.view.View;
20	torben	1547	import android.view.View.OnClickListener;
21	torben	482	import android.view.Window;
22	torben	481	import android.widget.Button;
23	torben	1547	import android.widget.Toast;
24	torben	481
25	torben	720	import com.nullwire.trace.ExceptionHandler;
26
27	torben	1131	import dk.thoerup.androidutils.CheckUpdates;
28	torben	1547	import dk.thoerup.traininfo.provider.OfflineStationProvider;
29	torben	1159	import dk.thoerup.traininfo.provider.ProviderFactory;
30	torben	1547	import dk.thoerup.traininfo.provider.StationProvider;
31	torben	720
32	torben	1551
33	torben	481	public class WelcomeScreen extends Activity{
34	torben	1547
35			final static String stationsreload = "stationsreload";
36	torben	1548	final static int MENU_SETTINGS = 1;
37			final static int MENU_RELOAD = 2;
38	torben	1547
39	torben	1548
40	torben	481	public enum ListType {
41			ListNearest,
42			ListSearch,
43			ListFavorites
44			}
45
46	torben	743	Handler handler = new Handler();
47
48	torben	1547	SharedPreferences prefs;
49
50	torben	481	@Override
51			public void onCreate(Bundle savedInstanceState) {
52	torben	916
53			super.onCreate(savedInstanceState);
54	torben	1547
55			prefs = getSharedPreferences("TrainStation", 0);
56
57	torben	482	requestWindowFeature( Window.FEATURE_NO_TITLE );
58	torben	481	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	torben	568
72			ExceptionHandler.register(this, "http://t-hoerup.dk/android/trace.php");
73	torben	720
74			CheckUpdates update = new CheckUpdates();
75	torben	911	update.checkForUpdates(this, "http://t-hoerup.dk/android/traininfo/version.txt", "TrainInfo DK", null);
76	torben	846	/*
77	torben	743	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	torben	846	*/
86	torben	1547
87			StationProvider sp = ProviderFactory.getStationProvider();
88
89			if (sp instanceof OfflineStationProvider ) {
90			OfflineStationProvider osp = (OfflineStationProvider) sp;
91	torben	1555	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	torben	1547
101	torben	1555	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	torben	1547
112	torben	1555	if (didLoad == false) {
113	torben	1547	new StationLoader(osp).execute( (Void)null);
114			}
115			}
116	torben	1555
117	torben	1547	}
118	torben	481	}
119	torben	1159
120
121	torben	743
122	torben	1159	@Override
123			protected void onDestroy() {
124			super.onDestroy();
125			ProviderFactory.purgeOldEntries(); //exiting application, do some cleanup
126			}
127
128
129	torben	1548	@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	torben	1159
165	torben	481	class AboutListener implements OnClickListener {
166
167			@Override
168			public void onClick(View v) {
169	torben	500	/*
170	torben	484	String appName = WelcomeScreen.this.getResources().getString(R.string.app_name);
171			String ver = WelcomeScreen.this.getResources().getString(R.string.app_version);
172
173	torben	483	StringBuffer message = new StringBuffer();
174	torben	484	message.append(appName);
175			message.append(" v").append(ver).append("\n");
176	torben	483	message.append("By Torben H. Nielsen\n");
177
178	torben	500	MessageBox.showMessage(WelcomeScreen.this, message.toString());*/
179	torben	1393	Intent browserIntent = new Intent(Intent.ACTION_VIEW, Uri.parse("http://t-hoerup.dk/android/traininfo/"));
180	torben	500	startActivity(browserIntent);
181	torben	481	}
182	torben	483
183	torben	481	}
184	torben	1446
185	torben	483
186	torben	481	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	torben	1547
201			class StationLoader extends AsyncTask<Void,Void,Void> {
202
203
204			boolean succeeded;
205			ProgressDialog dlg;
206			OfflineStationProvider osp;
207	torben	1550	String exMsg;
208	torben	1547
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	torben	1550	exMsg = e.getMessage();
221	torben	1547	}
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	torben	1550	} else {
247			Toast.makeText(WelcomeScreen.this, "Error " + exMsg, Toast.LENGTH_LONG).show();
248	torben	1547	}
249			}
250			}
251
252	torben	481	}