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	torben	481	package dk.thoerup.traininfo;
2
3	torben	1548
4
5	torben	481	import android.app.Activity;
6	torben	1547	import android.app.ProgressDialog;
7	torben	481	import android.content.Intent;
8	torben	1547	import android.content.SharedPreferences;
9			import android.content.SharedPreferences.Editor;
10	torben	500	import android.net.Uri;
11	torben	1547	import android.os.AsyncTask;
12	torben	481	import android.os.Bundle;
13	torben	743	import android.os.Handler;
14	torben	1159	import android.util.Log;
15	torben	1548	import android.view.Menu;
16			import android.view.MenuItem;
17	torben	481	import android.view.View;
18	torben	1547	import android.view.View.OnClickListener;
19	torben	482	import android.view.Window;
20	torben	481	import android.widget.Button;
21	torben	1547	import android.widget.Toast;
22	torben	481
23	torben	720	import com.nullwire.trace.ExceptionHandler;
24
25	torben	1131	import dk.thoerup.androidutils.CheckUpdates;
26	torben	1547	import dk.thoerup.traininfo.provider.OfflineStationProvider;
27	torben	1159	import dk.thoerup.traininfo.provider.ProviderFactory;
28	torben	1547	import dk.thoerup.traininfo.provider.StationProvider;
29	torben	720
30	torben	1551
31	torben	481	public class WelcomeScreen extends Activity{
32	torben	1547
33			final static String stationsreload = "stationsreload";
34	torben	1548	final static int MENU_SETTINGS = 1;
35			final static int MENU_RELOAD = 2;
36	torben	1547
37	torben	1548
38	torben	481	public enum ListType {
39			ListNearest,
40			ListSearch,
41			ListFavorites
42			}
43
44	torben	743	Handler handler = new Handler();
45
46	torben	1547	SharedPreferences prefs;
47
48	torben	481	@Override
49			public void onCreate(Bundle savedInstanceState) {
50	torben	916
51			super.onCreate(savedInstanceState);
52	torben	1547
53			prefs = getSharedPreferences("TrainStation", 0);
54
55	torben	482	requestWindowFeature( Window.FEATURE_NO_TITLE );
56	torben	481	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	torben	568
70			ExceptionHandler.register(this, "http://t-hoerup.dk/android/trace.php");
71	torben	720
72			CheckUpdates update = new CheckUpdates();
73	torben	911	update.checkForUpdates(this, "http://t-hoerup.dk/android/traininfo/version.txt", "TrainInfo DK", null);
74	torben	846	/*
75	torben	743	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	torben	846	*/
84	torben	1547
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	torben	1549	Log.i("TrainInfo", "Last Load: " + last);
95
96	torben	1547	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	torben	481	}
112	torben	1159
113
114	torben	743
115	torben	1159	@Override
116			protected void onDestroy() {
117			super.onDestroy();
118			ProviderFactory.purgeOldEntries(); //exiting application, do some cleanup
119			}
120
121
122	torben	1548	@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	torben	1159
158	torben	481	class AboutListener implements OnClickListener {
159
160			@Override
161			public void onClick(View v) {
162	torben	500	/*
163	torben	484	String appName = WelcomeScreen.this.getResources().getString(R.string.app_name);
164			String ver = WelcomeScreen.this.getResources().getString(R.string.app_version);
165
166	torben	483	StringBuffer message = new StringBuffer();
167	torben	484	message.append(appName);
168			message.append(" v").append(ver).append("\n");
169	torben	483	message.append("By Torben H. Nielsen\n");
170
171	torben	500	MessageBox.showMessage(WelcomeScreen.this, message.toString());*/
172	torben	1393	Intent browserIntent = new Intent(Intent.ACTION_VIEW, Uri.parse("http://t-hoerup.dk/android/traininfo/"));
173	torben	500	startActivity(browserIntent);
174	torben	481	}
175	torben	483
176	torben	481	}
177	torben	1446
178	torben	483
179	torben	481	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	torben	1547
194			class StationLoader extends AsyncTask<Void,Void,Void> {
195
196
197			boolean succeeded;
198			ProgressDialog dlg;
199			OfflineStationProvider osp;
200	torben	1550	String exMsg;
201	torben	1547
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	torben	1550	exMsg = e.getMessage();
214	torben	1547	}
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	torben	1550	} else {
240			Toast.makeText(WelcomeScreen.this, "Error " + exMsg, Toast.LENGTH_LONG).show();
241	torben	1547	}
242			}
243			}
244
245	torben	481	}