/[projects]/android/EKLLauncher/src/dk/thoerup/ekllauncher/EKLLauncherActivity.java
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Contents of /android/EKLLauncher/src/dk/thoerup/ekllauncher/EKLLauncherActivity.java

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Revision 1619 - (show annotations) (download)
Thu Oct 20 20:48:28 2011 UTC (12 years, 6 months ago) by torben
File size: 6767 byte(s)
Don't crash when there is no active network (eg in airplane mode)
1 package dk.thoerup.ekllauncher;
2
3 import android.app.Activity;
4 import android.content.Context;
5 import android.content.Intent;
6 import android.net.ConnectivityManager;
7 import android.net.NetworkInfo;
8 import android.os.Bundle;
9 import android.os.Handler;
10 import android.os.Message;
11 import android.provider.Settings;
12 import android.telephony.TelephonyManager;
13 import android.util.Log;
14 import android.view.Menu;
15 import android.view.MenuItem;
16 import android.view.Window;
17 import android.webkit.GeolocationPermissions.Callback;
18 import android.webkit.JsPromptResult;
19 import android.webkit.WebChromeClient;
20 import android.webkit.WebSettings;
21 import android.webkit.WebStorage.QuotaUpdater;
22 import android.webkit.WebView;
23 import android.webkit.WebViewClient;
24 import android.widget.Toast;
25
26 public class EKLLauncherActivity extends Activity {
27
28 class CustomChromeClient extends WebChromeClient {
29
30 @Override
31 public boolean onCreateWindow(WebView view, boolean dialog,
32 boolean userGesture, Message resultMsg) {
33 msg("create window");
34 return super.onCreateWindow(view, dialog, userGesture, resultMsg);
35 }
36
37
38 public void onProgressChanged(WebView view, int progress) {
39 // Activities and WebViews measure progress with different scales.
40 // The progress meter will automatically disappear when we reach 100%
41 EKLLauncherActivity.this.setProgress(progress * 100);
42 }
43
44
45 @Override
46 public void onExceededDatabaseQuota(String url, String databaseIdentifier, long currentQuota, long estimatedSize, long totalUsedQuota, QuotaUpdater quotaUpdater) {
47 quotaUpdater.updateQuota(estimatedSize); // altid giv tilladelse til større db quota
48 }
49
50
51 @Override
52 public void onGeolocationPermissionsShowPrompt(String origin, Callback callback) {
53 callback.invoke(origin, true, true); //altid give tilladelse til geo location
54 }
55 /*
56 @Override
57 public boolean onJsAlert(WebView view, String url, String message, JsResult result) {
58
59 return super.onJsAlert(view, url, message, result);
60 }
61
62 @Override
63 public boolean onJsConfirm(WebView view, String url, String message, JsResult result) {
64 Toast.makeText(EKLLauncherActivity.this, "Oh no! " + message, Toast.LENGTH_SHORT).show();
65 return super.onJsConfirm(view, url, message, result);
66 }*/
67
68 @Override
69 public boolean onJsPrompt(WebView view, String url, String message, String defaultValue, JsPromptResult result) {
70 if (message.trim().toLowerCase().equals("pda identifikation mangler")) {
71 result.confirm(device);
72
73 timeoutHandler.sendEmptyMessageDelayed(1, 500); //efter pdaID er sendt til app'en skal vi genindlæse siden for at tvinge den til at hente data
74 return true;
75 } else {
76 return super.onJsPrompt(view, url, message, defaultValue, result);
77 }
78 }
79
80 }
81
82 class DummyWebViewClient extends WebViewClient {
83 }
84
85 static final String URL = "http://omdeling.info/mobil/ekl/login.php";
86
87 ConnectivityManager connMgr;
88 TelephonyManager telMgr;
89 WebView web;
90 String device = "";
91
92
93 public void msg(String m) {
94 Toast.makeText(EKLLauncherActivity.this, m, Toast.LENGTH_SHORT).show();
95 }
96
97 /** Called when the activity is first created. */
98 @Override
99 public void onCreate(Bundle savedInstanceState) {
100 super.onCreate(savedInstanceState);
101
102 getWindow().requestFeature(Window.FEATURE_PROGRESS);
103
104
105 try {
106 int airplane = Settings.System.getInt(this.getContentResolver(), Settings.System.AIRPLANE_MODE_ON);
107 if (airplane > 0) {
108 Settings.System.putInt(this.getContentResolver(), Settings.System.AIRPLANE_MODE_ON, 0);
109 Intent intent = new Intent(Intent.ACTION_AIRPLANE_MODE_CHANGED);
110 intent.putExtra("state", false);
111 sendBroadcast(intent);
112 }
113 } catch (Settings.SettingNotFoundException e) {
114 Log.d("EKL", "Exception " + e.getMessage() );
115 }
116
117
118
119
120 telMgr = (TelephonyManager) this.getSystemService(Context.TELEPHONY_SERVICE);
121 connMgr = (ConnectivityManager) this.getSystemService(Context.CONNECTIVITY_SERVICE);
122
123 device = telMgr.getLine1Number();
124 if (device == null || device.equals("")) {
125 device = telMgr.getDeviceId();
126
127 if(device == null)
128 device = "";
129 }
130
131
132 setContentView(R.layout.main);
133 web = (WebView) findViewById(R.id.web);
134
135 WebSettings settings = web.getSettings();
136
137
138 settings.setJavaScriptEnabled(true);
139
140 settings.setAppCacheEnabled(true);
141
142 settings.setJavaScriptCanOpenWindowsAutomatically(false);
143 settings.setGeolocationEnabled(true);
144
145 settings.setDomStorageEnabled(true);
146 settings.setDatabaseEnabled(true);
147
148 settings.setDatabasePath( this.getCacheDir().toString() );
149
150
151 settings.setSupportMultipleWindows(false);
152
153 web.setWebChromeClient(new CustomChromeClient() );
154 web.setWebViewClient( new DummyWebViewClient() ); // skal have en webviewclient for at kunne styre ved forlad tur
155
156 NetworkInfo network = connMgr.getActiveNetworkInfo();
157 if ( (telMgr.getSimState() == TelephonyManager.SIM_STATE_READY && telMgr.getDataState() == TelephonyManager.DATA_CONNECTED) || ( network != null && network.getType() == ConnectivityManager.TYPE_WIFI) ) {
158 web.loadUrl( URL );
159 } else {
160 web.loadData("<html><body><h2>afventer netv&aelig;rksforbindelse</h2></body></html>", "text/html", "iso-8859-1");
161 simHandler.sendEmptyMessageDelayed(0, 1500);
162 }
163
164 }
165
166 @Override
167 public boolean onCreateOptionsMenu(Menu menu) {
168 MenuItem item;
169 item = menu.add(0, 1, 0, "Genindlæs side");
170 item.setIcon( R.drawable.ic_menu_refresh );
171
172 item = menu.add(0, 2, 0, "Slet cache");
173 item.setIcon( R.drawable.ic_menu_delete );
174 return super.onCreateOptionsMenu(menu);
175 }
176
177 @Override
178 public boolean onMenuItemSelected(int featureId, MenuItem item) {
179 switch (item.getItemId()) {
180 case 1:
181 web.reload();
182 break;
183 case 2:
184 web.clearCache(true);
185 web.reload();
186 break;
187 }
188 return super.onMenuItemSelected(featureId, item);
189 }
190
191 Handler timeoutHandler = new Handler() {
192 @Override
193 public void handleMessage(Message msg) {
194 super.handleMessage(msg);
195 web.reload();
196 }
197
198 };
199
200
201
202 Handler simHandler = new Handler() {
203 @Override
204 public void handleMessage(Message msg) {
205 super.handleMessage(msg);
206 if (telMgr.getSimState() == TelephonyManager.SIM_STATE_READY && telMgr.getDataState() == TelephonyManager.DATA_CONNECTED) {
207 web.loadUrl( URL );
208 } else {
209 this.sendEmptyMessageDelayed(0, 1000);
210 }
211 }
212 };
213
214
215 }

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