added About dialog

res/menu/options.xml

@@ -2,7 +2,10 @@
 	<item android:id="@+id/preferences"
 		android:title="@string/preferences"
 		android:icon="@android:drawable/ic_menu_preferences" />
+	<item android:id="@+id/about"
+		android:title="@string/about"
+		android:icon="@android:drawable/ic_menu_info_details" />
 	<item android:id="@+id/quit"
-		android:title="Quit"
+		android:title="@string/quit"
 		android:icon="@android:drawable/ic_menu_close_clear_cancel" />
 </menu>

res/values/strings.xml

@@ -21,6 +21,29 @@
 	operators!\n\n
 	If you operate without a license, you might be criminally prosecuted!</string>
 
+<string name="ad_title">About APRSdroid v%s</string>
+<string name="ad_text">Copyright © 2009-2010 Georg Lukas (DO1GL)\n
+	http://op-co.de/ &lt;georg@op-co.de&gt;
+	\n\n
+	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.
+	\n\n
+	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.
+	\n\n
+	You should have received a copy of the GNU General Public License
+	along with this program; if not, write to the Free Software
+	Foundation, Inc., 51 Franklin Street, Fifth Floor, Boston, MA  02110-1301, USA.
+	\n\n
+	http://www.gnu.org/licenses/old-licenses/gpl-2.0.html
+	</string>
+
+<string name="about">About</string>
+<string name="quit">Quit</string>
 <string name="preferences">Preferences</string>
 <string name="p__ham">Amateur Radio</string>
 <string name="p_callsign">Callsign</string>

src/APRSdroid.scala

@@ -3,6 +3,7 @@ package de.duenndns.aprsdroid
 import _root_.android.app.Activity
 import _root_.android.app.AlertDialog
 import _root_.android.content._
+import _root_.android.content.pm.PackageInfo;
 import _root_.android.location._
 import _root_.android.os.Bundle
 import _root_.android.preference.PreferenceManager
@@ -126,11 +127,24 @@ class APRSdroid extends Activity with OnClickListener
 		}
 	}
 
+	def aboutDialog() {
+		val pi = getPackageManager().getPackageInfo(getPackageName(), 0)
+		val title = getString(R.string.ad_title, pi.versionName);
+		new AlertDialog.Builder(this).setTitle(title)
+			.setMessage(getString(R.string.ad_text))
+			.setIcon(android.R.drawable.ic_dialog_info)
+			.setPositiveButton(android.R.string.ok, null)
+			.create.show
+	}
+
 	override def onOptionsItemSelected(mi : MenuItem) : Boolean = {
 		mi.getItemId match {
 		case R.id.preferences =>
 			startActivity(new Intent(this, classOf[PrefsAct]));
 			true
+		case R.id.about =>
+			aboutDialog()
+			true
 		case R.id.quit =>
 			stopService(serviceIntent(AprsService.SERVICE))
 			finish();