Menu option added to reload cached CA certificates

This might be required if the user installs a new CA certificate.

src/frontends/android/res/menu/main.xml

@@ -0,0 +1,23 @@
+<?xml version="1.0" encoding="utf-8"?>
+<!--
+    Copyright (C) 2012 Tobias Brunner
+    Hochschule fuer Technik Rapperswil
+
+    This program is free software; you can redistribute it and/or modify it
+    under the terms of the GNU General Public License as published by the
+    Free Software Foundation; either version 2 of the License, or (at your
+    option) any later version.  See <http://www.fsf.org/copyleft/gpl.txt>.
+
+    This program is distributed in the hope that it will be useful, but
+    WITHOUT ANY WARRANTY; without even the implied warranty of MERCHANTABILITY
+    or FITNESS FOR A PARTICULAR PURPOSE.  See the GNU General Public License
+    for more details.
+-->
+<menu xmlns:android="http://schemas.android.com/apk/res/android" >
+
+    <item
+        android:id="@+id/menu_reload_certs"
+        android:title="@string/reload_trusted_certs"
+        android:showAsAction="withText" />
+
+</menu>

src/frontends/android/res/values/strings.xml

@@ -19,6 +19,7 @@
 
     <!-- Application -->
     <string name="app_name">strongSwan VPN Client</string>
+    <string name="reload_trusted_certs">Reload CA certificates</string>
 
     <!-- VPN profile list -->
     <string name="no_profiles">No VPN profiles.</string>

src/frontends/android/src/org/strongswan/android/ui/MainActivity.java

@@ -17,6 +17,7 @@
 
 package org.strongswan.android.ui;
 
+import org.strongswan.android.R;
 import org.strongswan.android.logic.TrustedCertificateManager;
 
 import android.app.ActionBar;
@@ -24,6 +25,9 @@ import android.app.Activity;
 import android.content.Intent;
 import android.net.VpnService;
 import android.os.Bundle;
+import android.view.Menu;
+import android.view.MenuInflater;
+import android.view.MenuItem;
 import android.view.Window;
 
 public class MainActivity extends Activity
@@ -57,7 +61,42 @@ public class MainActivity extends Activity
 		}).start();
 	}
 
-	private void startVpnService()
+	@Override
+	public boolean onCreateOptionsMenu(Menu menu)
+	{
+		MenuInflater inflater = getMenuInflater();
+		inflater.inflate(R.menu.main, menu);
+		return true;
+	}
+
+	@Override
+	public boolean onOptionsItemSelected(MenuItem item)
+	{
+		switch (item.getItemId())
+		{
+			case R.id.menu_reload_certs:
+				setProgressBarIndeterminateVisibility(true);
+				new Thread(new Runnable() {
+					@Override
+					public void run()
+					{
+						TrustedCertificateManager.getInstance().reload();
+						runOnUiThread(new Runnable() {
+							@Override
+							public void run()
+							{
+								setProgressBarIndeterminateVisibility(false);
+							}
+						});
+					}
+				}).start();
+				return true;
+			default:
+				return super.onOptionsItemSelected(item);
+		}
+	}
+
+	protected void prepareVpnService()
 	{
 		Intent intent = VpnService.prepare(this);
 		if (intent != null)