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.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";
        
        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 settingsButton = (Button) findViewById(R.id.settings);
                settingsButton.setOnClickListener( new SettingsListener() );
                
                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();
                                
                                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
        }


        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 SettingsListener implements OnClickListener{
        
                @Override
                public void onClick(View v) {
                        Intent intent = new Intent(WelcomeScreen.this, SettingsScreen.class);
                        WelcomeScreen.this.startActivity(intent);
                }               
        }

        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;
                
                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;
                                Toast.makeText(WelcomeScreen.this, "Error " + e.getMessage(), Toast.LENGTH_LONG).show();
                        }
                        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();
                        }
                }       
        }
        
}
1	torben	481	package dk.thoerup.traininfo;
2
3			import android.app.Activity;
4	torben	1547	import android.app.ProgressDialog;
5	torben	481	import android.content.Intent;
6	torben	1547	import android.content.SharedPreferences;
7			import android.content.SharedPreferences.Editor;
8	torben	500	import android.net.Uri;
9	torben	1547	import android.os.AsyncTask;
10	torben	481	import android.os.Bundle;
11	torben	743	import android.os.Handler;
12	torben	1159	import android.util.Log;
13	torben	481	import android.view.View;
14	torben	1547	import android.view.View.OnClickListener;
15	torben	482	import android.view.Window;
16	torben	481	import android.widget.Button;
17	torben	1547	import android.widget.Toast;
18	torben	481
19	torben	720	import com.nullwire.trace.ExceptionHandler;
20
21	torben	1131	import dk.thoerup.androidutils.CheckUpdates;
22	torben	1547	import dk.thoerup.traininfo.provider.OfflineStationProvider;
23	torben	1159	import dk.thoerup.traininfo.provider.ProviderFactory;
24	torben	1547	import dk.thoerup.traininfo.provider.StationProvider;
25	torben	720
26	torben	481	public class WelcomeScreen extends Activity{
27	torben	1547
28			final static String stationsreload = "stationsreload";
29
30	torben	481	public enum ListType {
31			ListNearest,
32			ListSearch,
33			ListFavorites
34			}
35
36	torben	743	Handler handler = new Handler();
37
38	torben	1547	SharedPreferences prefs;
39
40	torben	481	@Override
41			public void onCreate(Bundle savedInstanceState) {
42	torben	916
43			super.onCreate(savedInstanceState);
44	torben	1547
45			prefs = getSharedPreferences("TrainStation", 0);
46
47	torben	482	requestWindowFeature( Window.FEATURE_NO_TITLE );
48	torben	481	setContentView(R.layout.welcome);
49
50			Button nearestButton = (Button) findViewById(R.id.nearest);
51			nearestButton.setOnClickListener( new StationListListener(ListType.ListNearest));
52
53			Button searchButton = (Button) findViewById(R.id.search);
54			searchButton.setOnClickListener( new StationListListener(ListType.ListSearch));
55
56			Button favoritesButton = (Button) findViewById(R.id.favorites);
57			favoritesButton.setOnClickListener( new StationListListener(ListType.ListFavorites));
58
59	torben	1446	Button settingsButton = (Button) findViewById(R.id.settings);
60			settingsButton.setOnClickListener( new SettingsListener() );
61
62	torben	481	Button aboutButton = (Button) findViewById(R.id.about);
63			aboutButton.setOnClickListener( new AboutListener() );
64	torben	568
65			ExceptionHandler.register(this, "http://t-hoerup.dk/android/trace.php");
66	torben	720
67			CheckUpdates update = new CheckUpdates();
68	torben	911	update.checkForUpdates(this, "http://t-hoerup.dk/android/traininfo/version.txt", "TrainInfo DK", null);
69	torben	846	/*
70	torben	743	Runnable r = new Runnable() {
71			@Override
72			public void run() {
73			View splash = findViewById(R.id.splash);
74			splash.setVisibility(View.GONE);
75			}
76			};
77			handler.postDelayed(r, 1500);
78	torben	846	*/
79	torben	1547
80			StationProvider sp = ProviderFactory.getStationProvider();
81
82			if (sp instanceof OfflineStationProvider ) {
83			OfflineStationProvider osp = (OfflineStationProvider) sp;
84			try {
85
86			long last = prefs.getLong(stationsreload, 0);
87			long now = System.currentTimeMillis();
88
89			if ( (now-last) > (142460601000) ) {
90			new StationLoader(osp).execute( (Void)null);
91			} else {
92
93			boolean didLoad = osp.loadStations(this);
94
95			if (didLoad == false) {
96			new StationLoader(osp).execute( (Void)null);
97			}
98			}
99
100			} catch (Exception e) {
101			Toast.makeText(this, "" + e.getMessage(), Toast.LENGTH_SHORT).show();
102			}
103			}
104	torben	481	}
105	torben	1159
106
107	torben	743
108	torben	1159	@Override
109			protected void onDestroy() {
110			super.onDestroy();
111			ProviderFactory.purgeOldEntries(); //exiting application, do some cleanup
112			}
113
114
115
116	torben	481	class AboutListener implements OnClickListener {
117
118			@Override
119			public void onClick(View v) {
120	torben	500	/*
121	torben	484	String appName = WelcomeScreen.this.getResources().getString(R.string.app_name);
122			String ver = WelcomeScreen.this.getResources().getString(R.string.app_version);
123
124	torben	483	StringBuffer message = new StringBuffer();
125	torben	484	message.append(appName);
126			message.append(" v").append(ver).append("\n");
127	torben	483	message.append("By Torben H. Nielsen\n");
128
129	torben	500	MessageBox.showMessage(WelcomeScreen.this, message.toString());*/
130	torben	1393	Intent browserIntent = new Intent(Intent.ACTION_VIEW, Uri.parse("http://t-hoerup.dk/android/traininfo/"));
131	torben	500	startActivity(browserIntent);
132	torben	481	}
133	torben	483
134	torben	481	}
135	torben	1446
136			class SettingsListener implements OnClickListener{
137
138			@Override
139			public void onClick(View v) {
140			Intent intent = new Intent(WelcomeScreen.this, SettingsScreen.class);
141			WelcomeScreen.this.startActivity(intent);
142			}
143			}
144	torben	483
145	torben	481	class StationListListener implements OnClickListener{
146			ListType launchType;
147			StationListListener(ListType type) {
148			launchType = type;
149			}
150
151			@Override
152			public void onClick(View v) {
153			Intent intent = new Intent(WelcomeScreen.this, StationList.class);
154			intent.putExtra("type", launchType);
155			WelcomeScreen.this.startActivity(intent);
156			}
157
158			}
159	torben	1547
160			class StationLoader extends AsyncTask<Void,Void,Void> {
161
162
163			boolean succeeded;
164			ProgressDialog dlg;
165			OfflineStationProvider osp;
166
167			public StationLoader(OfflineStationProvider osp) {
168			this.osp = osp;
169			}
170
171			@Override
172			protected Void doInBackground(Void... params) {
173			try {
174			osp.downloadStations( WelcomeScreen.this );
175			succeeded = true;
176			} catch (Exception e) {
177			succeeded = false;
178			Toast.makeText(WelcomeScreen.this, "Error " + e.getMessage(), Toast.LENGTH_LONG).show();
179			}
180			return null;
181			}
182
183			@Override
184			protected void onPreExecute() {
185			super.onPreExecute();
186
187			dlg = new ProgressDialog(WelcomeScreen.this);
188			dlg.setMessage( "Downloading stations list" );//TODO: translate
189			dlg.setCancelable(true);
190			dlg.show();
191			}
192
193			@Override
194			protected void onPostExecute(Void result) {
195			super.onPostExecute(result);
196
197			dlg.dismiss();
198			dlg = null;
199
200			if (succeeded) {
201			Editor edit = prefs.edit();
202			edit.putLong(stationsreload, System.currentTimeMillis() );
203			edit.commit();
204			}
205			}
206			}
207
208	torben	481	}