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	package dk.thoerup.traininfo;
2
3	import android.app.Activity;
4	import android.app.ProgressDialog;
5	import android.content.Intent;
6	import android.content.SharedPreferences;
7	import android.content.SharedPreferences.Editor;
8	import android.net.Uri;
9	import android.os.AsyncTask;
10	import android.os.Bundle;
11	import android.os.Handler;
12	import android.util.Log;
13	import android.view.View;
14	import android.view.View.OnClickListener;
15	import android.view.Window;
16	import android.widget.Button;
17	import android.widget.Toast;
18
19	import com.nullwire.trace.ExceptionHandler;
20
21	import dk.thoerup.androidutils.CheckUpdates;
22	import dk.thoerup.traininfo.provider.OfflineStationProvider;
23	import dk.thoerup.traininfo.provider.ProviderFactory;
24	import dk.thoerup.traininfo.provider.StationProvider;
25
26	public class WelcomeScreen extends Activity{
27
28	final static String stationsreload = "stationsreload";
29
30	public enum ListType {
31	ListNearest,
32	ListSearch,
33	ListFavorites
34	}
35
36	Handler handler = new Handler();
37
38	SharedPreferences prefs;
39
40	@Override
41	public void onCreate(Bundle savedInstanceState) {
42
43	super.onCreate(savedInstanceState);
44
45	prefs = getSharedPreferences("TrainStation", 0);
46
47	requestWindowFeature( Window.FEATURE_NO_TITLE );
48	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	Button settingsButton = (Button) findViewById(R.id.settings);
60	settingsButton.setOnClickListener( new SettingsListener() );
61
62	Button aboutButton = (Button) findViewById(R.id.about);
63	aboutButton.setOnClickListener( new AboutListener() );
64
65	ExceptionHandler.register(this, "http://t-hoerup.dk/android/trace.php");
66
67	CheckUpdates update = new CheckUpdates();
68	update.checkForUpdates(this, "http://t-hoerup.dk/android/traininfo/version.txt", "TrainInfo DK", null);
69	/*
70	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	*/
79
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	}
105
106
107
108	@Override
109	protected void onDestroy() {
110	super.onDestroy();
111	ProviderFactory.purgeOldEntries(); //exiting application, do some cleanup
112	}
113
114
115
116	class AboutListener implements OnClickListener {
117
118	@Override
119	public void onClick(View v) {
120	/*
121	String appName = WelcomeScreen.this.getResources().getString(R.string.app_name);
122	String ver = WelcomeScreen.this.getResources().getString(R.string.app_version);
123
124	StringBuffer message = new StringBuffer();
125	message.append(appName);
126	message.append(" v").append(ver).append("\n");
127	message.append("By Torben H. Nielsen\n");
128
129	MessageBox.showMessage(WelcomeScreen.this, message.toString());*/
130	Intent browserIntent = new Intent(Intent.ACTION_VIEW, Uri.parse("http://t-hoerup.dk/android/traininfo/"));
131	startActivity(browserIntent);
132	}
133
134	}
135
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
145	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
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	}