thoerup/ekllauncher/EKLLauncherActivity.java

package dk.thoerup.ekllauncher;

import android.app.Activity;
import android.app.AlertDialog;
import android.content.Context;
import android.content.DialogInterface;
import android.content.Intent;
import android.location.LocationManager;
import android.net.ConnectivityManager;
import android.os.Bundle;
import android.os.PowerManager;
import android.provider.Settings;
import android.telephony.TelephonyManager;
import android.util.Log;
import android.view.Menu;
import android.view.MenuItem;
import android.view.Window;
import android.view.WindowManager;
import android.webkit.WebSettings;
import android.webkit.WebStorage;
import android.webkit.WebView;
import android.webkit.WebViewClient;

public class EKLLauncherActivity extends Activity {
        

        

        class DummyWebViewClient extends WebViewClient {                
        }
        
        public static final String LOGTAG = "EklLauncher";
        static final String URL = "http://omdeling.info/mobil/ekl/";
        //static final String URL = "http://t-hoerup.dk/android_js.html";
        
        LocationManager locMgr;
        ConnectivityManager connMgr;
        TelephonyManager telMgr;
        WebView web;
        
        PowerManager.WakeLock wakeLock;
        
        
        @Override
        public void onAttachedToWindow() {
            this.getWindow().setType(WindowManager.LayoutParams.TYPE_KEYGUARD);
            super.onAttachedToWindow();
        }
        
    /** Called when the activity is first created. */
        @Override
    public void onCreate(Bundle savedInstanceState) {
        super.onCreate(savedInstanceState);
        
        Log.e(LOGTAG, "Creating");
        
        getWindow().requestFeature(Window.FEATURE_PROGRESS);
        
        
        try {
                int airplane = Settings.System.getInt(this.getContentResolver(), Settings.System.AIRPLANE_MODE_ON);
                
                if (airplane > 0) {
                        Settings.System.putInt(this.getContentResolver(), Settings.System.AIRPLANE_MODE_ON, 0);
                        Intent intent = new Intent(Intent.ACTION_AIRPLANE_MODE_CHANGED);
                        intent.putExtra("state", false);
                        sendBroadcast(intent);
                }
        } catch (Settings.SettingNotFoundException e) {
                Log.d("EKL", "Exception " + e.getMessage() );
        }

        locMgr = (LocationManager) this.getSystemService(Context.LOCATION_SERVICE);
        telMgr = (TelephonyManager) this.getSystemService(Context.TELEPHONY_SERVICE);
        connMgr = (ConnectivityManager) this.getSystemService(Context.CONNECTIVITY_SERVICE);        
                
        
       
                
        
        setContentView(R.layout.main);
        web = (WebView) findViewById(R.id.web);
        
        WebSettings settings = web.getSettings();
        
        
        settings.setJavaScriptEnabled(true);
        
        settings.setAppCacheEnabled(true);
        settings.setAppCachePath( this.getCacheDir().toString() );
        
        settings.setJavaScriptCanOpenWindowsAutomatically(false);
        settings.setGeolocationEnabled(true);
        
        settings.setDomStorageEnabled(true);
        
        settings.setDatabaseEnabled(true);        
        settings.setDatabasePath( this.getCacheDir().toString() );

        
        settings.setSupportMultipleWindows(false);
        
        JsPhoneObject jsPhone = new JsPhoneObject(telMgr);
        
        web.addJavascriptInterface( jsPhone , "jsPhone");
        
        web.setWebChromeClient(new EKLChromeClient(this) );
        web.setWebViewClient( new DummyWebViewClient() ); // skal have en webviewclient for at kunne styre ved forlad tur
                

        
        
        //Vi kan ikke styre LocationManager - kun læse nuværende tilstand
        if (!locMgr.isProviderEnabled(LocationManager.GPS_PROVIDER )) {
                
                AlertDialog.Builder builder = new AlertDialog.Builder(this);
                builder.setMessage("GPS er slået fra på telefonen!\nSæt et flueben ved GPS i næste vindue og tryk derefter på tilbage knappen (nederst på telefonen)")
            .setPositiveButton("OK", new DialogInterface.OnClickListener() {
                public void onClick(DialogInterface dialog, int id) {
                        Intent myIntent = new Intent( Settings.ACTION_LOCATION_SOURCE_SETTINGS );                       
                    startActivity(myIntent);      
                }
            })
            .create()
            .show();      
        }
        
    }
        
        @Override
        protected void onStart() {
                super.onStart();
                
                Log.e(LOGTAG, "Starting");
        PowerManager pm = (PowerManager) getSystemService(Context.POWER_SERVICE);
        wakeLock = pm.newWakeLock(PowerManager.PARTIAL_WAKE_LOCK, "EklLauncher");
        wakeLock.acquire();
        
        web.loadUrl( URL );
        
        }
    

        @Override
        protected void onStop() {
                
        Log.e(LOGTAG, "Stopping");
        
                if (wakeLock != null && wakeLock.isHeld())
                        wakeLock.release();
                
                if (!web.getUrl().equals("about:blank"))
                        web.loadUrl("about:blank");
                
                super.onStop();
        }
        
        static final int RELOAD = 1;
        static final int FLUSH = 2;
        static final int EXIT = 3;

        @Override
        public boolean onCreateOptionsMenu(Menu menu) {
                MenuItem item;
                item = menu.add(0, RELOAD, 0, "Genindlæs side");
                item.setIcon( R.drawable.ic_menu_refresh ); 
                
                item = menu.add(0, FLUSH, 0, "Slet cache");
                item.setIcon( R.drawable.ic_menu_delete );
                
                item = menu.add(0, EXIT, 0, "Forlad");
                item.setIcon( android.R.drawable.ic_menu_close_clear_cancel);
                
                return super.onCreateOptionsMenu(menu);
        }

        @Override
        public boolean onMenuItemSelected(int featureId, MenuItem item) {
                switch (item.getItemId()) {
                case RELOAD:
                        web.reload();
                        break;
                case FLUSH:
                        web.clearCache(true);
                        
                        WebStorage.getInstance().deleteAllData();                       
                        WebStorage.getInstance().deleteOrigin(URL);
                        
                        web.reload();
                        break;
                case EXIT:                                                      
                        this.finish();
                        break;                  
                }
                
                return super.onMenuItemSelected(featureId, item);
        }
        
    /*void showMessage(String msg) {
        AlertDialog.Builder builder = new AlertDialog.Builder(this);
        builder.setMessage(msg)
    .setPositiveButton("OK", new DialogInterface.OnClickListener() {
        public void onClick(DialogInterface dialog, int id) {
            dialog.dismiss();
        }
    })
    .create()
    .show();      
        
}*/     
        
        /* Proof-of-concept code
        Handler timeoutHandler = new Handler() {
                @Override
                public void handleMessage(Message msg) {
                        super.handleMessage(msg);
                        web.reload();                   
                }
                
        };
        

        
        class SimHandler extends Handler {
                
                public void testNetwork() {
                        NetworkInfo network = connMgr.getActiveNetworkInfo();
                        
                        if ( (telMgr.getSimState() == TelephonyManager.SIM_STATE_READY && telMgr.getDataState() == TelephonyManager.DATA_CONNECTED) || ( network != null && network.getType() == ConnectivityManager.TYPE_WIFI) ) {
                                web.loadUrl( URL );
                        } else {
                        web.loadData("<html><body><h2>afventer netv&aelig;rksforbindelse</h2></body></html>", "text/html", "iso-8859-1");
                                this.sendEmptyMessageDelayed(0, 1000);
                        }
                }
                
                @Override
                public void handleMessage(Message msg) {
                        super.handleMessage(msg);
                        
                        testNetwork();
                }
        };
    */
    
}
1	package dk.thoerup.ekllauncher;
2
3	import android.app.Activity;
4	import android.app.AlertDialog;
5	import android.content.Context;
6	import android.content.DialogInterface;
7	import android.content.Intent;
8	import android.location.LocationManager;
9	import android.net.ConnectivityManager;
10	import android.os.Bundle;
11	import android.os.PowerManager;
12	import android.provider.Settings;
13	import android.telephony.TelephonyManager;
14	import android.util.Log;
15	import android.view.Menu;
16	import android.view.MenuItem;
17	import android.view.Window;
18	import android.view.WindowManager;
19	import android.webkit.WebSettings;
20	import android.webkit.WebStorage;
21	import android.webkit.WebView;
22	import android.webkit.WebViewClient;
23
24	public class EKLLauncherActivity extends Activity {
25
26
27
28
29	class DummyWebViewClient extends WebViewClient {
30	}
31
32	public static final String LOGTAG = "EklLauncher";
33	static final String URL = "http://omdeling.info/mobil/ekl/";
34	//static final String URL = "http://t-hoerup.dk/android_js.html";
35
36	LocationManager locMgr;
37	ConnectivityManager connMgr;
38	TelephonyManager telMgr;
39	WebView web;
40
41	PowerManager.WakeLock wakeLock;
42
43
44	@Override
45	public void onAttachedToWindow() {
46	this.getWindow().setType(WindowManager.LayoutParams.TYPE_KEYGUARD);
47	super.onAttachedToWindow();
48	}
49
50	/** Called when the activity is first created. */
51	@Override
52	public void onCreate(Bundle savedInstanceState) {
53	super.onCreate(savedInstanceState);
54
55	Log.e(LOGTAG, "Creating");
56
57	getWindow().requestFeature(Window.FEATURE_PROGRESS);
58
59
60	try {
61	int airplane = Settings.System.getInt(this.getContentResolver(), Settings.System.AIRPLANE_MODE_ON);
62
63	if (airplane > 0) {
64	Settings.System.putInt(this.getContentResolver(), Settings.System.AIRPLANE_MODE_ON, 0);
65	Intent intent = new Intent(Intent.ACTION_AIRPLANE_MODE_CHANGED);
66	intent.putExtra("state", false);
67	sendBroadcast(intent);
68	}
69	} catch (Settings.SettingNotFoundException e) {
70	Log.d("EKL", "Exception " + e.getMessage() );
71	}
72
73	locMgr = (LocationManager) this.getSystemService(Context.LOCATION_SERVICE);
74	telMgr = (TelephonyManager) this.getSystemService(Context.TELEPHONY_SERVICE);
75	connMgr = (ConnectivityManager) this.getSystemService(Context.CONNECTIVITY_SERVICE);
76
77
78
79
80
81	setContentView(R.layout.main);
82	web = (WebView) findViewById(R.id.web);
83
84	WebSettings settings = web.getSettings();
85
86
87	settings.setJavaScriptEnabled(true);
88
89	settings.setAppCacheEnabled(true);
90	settings.setAppCachePath( this.getCacheDir().toString() );
91
92	settings.setJavaScriptCanOpenWindowsAutomatically(false);
93	settings.setGeolocationEnabled(true);
94
95	settings.setDomStorageEnabled(true);
96
97	settings.setDatabaseEnabled(true);
98	settings.setDatabasePath( this.getCacheDir().toString() );
99
100
101	settings.setSupportMultipleWindows(false);
102
103	JsPhoneObject jsPhone = new JsPhoneObject(telMgr);
104
105	web.addJavascriptInterface( jsPhone , "jsPhone");
106
107	web.setWebChromeClient(new EKLChromeClient(this) );
108	web.setWebViewClient( new DummyWebViewClient() ); // skal have en webviewclient for at kunne styre ved forlad tur
109
110
111
112
113	//Vi kan ikke styre LocationManager - kun læse nuværende tilstand
114	if (!locMgr.isProviderEnabled(LocationManager.GPS_PROVIDER )) {
115
116	AlertDialog.Builder builder = new AlertDialog.Builder(this);
117	builder.setMessage("GPS er slået fra på telefonen!\nSæt et flueben ved GPS i næste vindue og tryk derefter på tilbage knappen (nederst på telefonen)")
118	.setPositiveButton("OK", new DialogInterface.OnClickListener() {
119	public void onClick(DialogInterface dialog, int id) {
120	Intent myIntent = new Intent( Settings.ACTION_LOCATION_SOURCE_SETTINGS );
121	startActivity(myIntent);
122	}
123	})
124	.create()
125	.show();
126	}
127
128	}
129
130	@Override
131	protected void onStart() {
132	super.onStart();
133
134	Log.e(LOGTAG, "Starting");
135	PowerManager pm = (PowerManager) getSystemService(Context.POWER_SERVICE);
136	wakeLock = pm.newWakeLock(PowerManager.PARTIAL_WAKE_LOCK, "EklLauncher");
137	wakeLock.acquire();
138
139	web.loadUrl( URL );
140
141	}
142
143
144	@Override
145	protected void onStop() {
146
147	Log.e(LOGTAG, "Stopping");
148
149	if (wakeLock != null && wakeLock.isHeld())
150	wakeLock.release();
151
152	if (!web.getUrl().equals("about:blank"))
153	web.loadUrl("about:blank");
154
155	super.onStop();
156	}
157
158	static final int RELOAD = 1;
159	static final int FLUSH = 2;
160	static final int EXIT = 3;
161
162	@Override
163	public boolean onCreateOptionsMenu(Menu menu) {
164	MenuItem item;
165	item = menu.add(0, RELOAD, 0, "Genindlæs side");
166	item.setIcon( R.drawable.ic_menu_refresh );
167
168	item = menu.add(0, FLUSH, 0, "Slet cache");
169	item.setIcon( R.drawable.ic_menu_delete );
170
171	item = menu.add(0, EXIT, 0, "Forlad");
172	item.setIcon( android.R.drawable.ic_menu_close_clear_cancel);
173
174	return super.onCreateOptionsMenu(menu);
175	}
176
177	@Override
178	public boolean onMenuItemSelected(int featureId, MenuItem item) {
179	switch (item.getItemId()) {
180	case RELOAD:
181	web.reload();
182	break;
183	case FLUSH:
184	web.clearCache(true);
185
186	WebStorage.getInstance().deleteAllData();
187	WebStorage.getInstance().deleteOrigin(URL);
188
189	web.reload();
190	break;
191	case EXIT:
192	this.finish();
193	break;
194	}
195
196	return super.onMenuItemSelected(featureId, item);
197	}
198
199	/*void showMessage(String msg) {
200	AlertDialog.Builder builder = new AlertDialog.Builder(this);
201	builder.setMessage(msg)
202	.setPositiveButton("OK", new DialogInterface.OnClickListener() {
203	public void onClick(DialogInterface dialog, int id) {
204	dialog.dismiss();
205	}
206	})
207	.create()
208	.show();
209
210	}*/
211
212	/* Proof-of-concept code
213	Handler timeoutHandler = new Handler() {
214	@Override
215	public void handleMessage(Message msg) {
216	super.handleMessage(msg);
217	web.reload();
218	}
219
220	};
221
222
223
224	class SimHandler extends Handler {
225
226	public void testNetwork() {
227	NetworkInfo network = connMgr.getActiveNetworkInfo();
228
229	if ( (telMgr.getSimState() == TelephonyManager.SIM_STATE_READY && telMgr.getDataState() == TelephonyManager.DATA_CONNECTED) \|\| ( network != null && network.getType() == ConnectivityManager.TYPE_WIFI) ) {
230	web.loadUrl( URL );
231	} else {
232	web.loadData("<html><body><h2>afventer netværksforbindelse</h2></body></html>", "text/html", "iso-8859-1");
233	this.sendEmptyMessageDelayed(0, 1000);
234	}
235	}
236
237	@Override
238	public void handleMessage(Message msg) {
239	super.handleMessage(msg);
240
241	testNetwork();
242	}
243	};
244	*/
245
246	}