Add broadcast receiver for package installation/removal

AndroidManifest.xml

@@ -77,6 +77,16 @@
             </intent-filter>
         </receiver>
 
+        <receiver android:name="PackageReceiver" >
+            <intent-filter>
+                <action android:name="android.intent.action.PACKAGE_ADDED" />
+                <action android:name="android.intent.action.PACKAGE_UPGRADED" />
+                <action android:name="android.intent.action.PACKAGE_REMOVED" />
+
+                <category android:name="android.intent.category.HOME" />
+            </intent-filter>
+        </receiver>
+
         <service android:name="UpdateService" />
     </application>
 

src/org/fdroid/fdroid/PackageReceiver.java

@@ -0,0 +1,32 @@
+/*
+ * Copyright (C) 2012  Ciaran Gultnieks, ciaran@ciarang.com
+ *
+ * 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.
+ *
+ * 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.
+ * 
+ * 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.
+ */
+
+package org.fdroid.fdroid;
+
+import android.content.BroadcastReceiver;
+import android.content.Context;
+import android.content.Intent;
+
+public class PackageReceiver extends BroadcastReceiver {
+
+    @Override
+    public void onReceive(Context ctx, Intent intent) {
+        ((FDroidApp) ctx.getApplicationContext()).invalidateApps();
+    }
+
+}