generate missing keys only if DB upgrade is done

src/org/smssecure/smssecure/util/VersionTracker.java

 package org.smssecure.smssecure.util;
 
 import android.content.Context;
-import android.content.pm.PackageManager;
+import android.content.pm.PackageInfo;
+import android.util.Log;
 
 import java.io.IOException;
 
 public class VersionTracker {
-
+  private static final String TAG = VersionTracker.class.getSimpleName();
 
   public static int getLastSeenVersion(Context context) {
     return SilencePreferences.getLastVersionCode(context);
@@ -20,4 +21,16 @@ public class VersionTracker {
       throw new AssertionError(ioe);
     }
   }
+
+  public static boolean isDbUpdated(Context context) {
+    try {
+      PackageInfo packageInfo = context.getPackageManager().getPackageInfo(context.getPackageName(), 0);
+      if (packageInfo == null) return true;
+
+      return SilencePreferences.getLastVersionCode(context) >= packageInfo.versionCode;
+    } catch (Exception e) {
+      Log.w(TAG, e);
+      return true;
+    }
+  }
 }

src/org/smssecure/smssecure/util/dualsim/DualSimUtil.java

@@ -122,7 +122,7 @@ public class DualSimUtil {
                                     .setStyle(new NotificationCompat.BigTextStyle().bigText(context.getString(R.string.DualSimUtil__a_new_key_has_been_generated_for_that_new_sim_card)))
                                     .setAutoCancel(true)
                                     .setVisibility(Notification.VISIBILITY_PUBLIC)
-                                    .setContentIntent(PendingIntent.getActivity(context, 0,
+                                    .setContentIntent(PendingIntent.getActivity(context.getApplicationContext(), 0,
                                                                                 targetIntent,
                                                                                 PendingIntent.FLAG_UPDATE_CURRENT))
                                     .build();

src/org/smssecure/smssecure/util/dualsim/SimChangedReceiver.java

@@ -10,6 +10,7 @@ import android.util.Log;
 
 import org.smssecure.smssecure.ApplicationContext;
 import org.smssecure.smssecure.util.SilencePreferences;
+import org.smssecure.smssecure.util.VersionTracker;
 import org.smssecure.smssecure.jobs.GenerateKeysJob;
 
 import java.util.Arrays;
@@ -30,7 +31,7 @@ public class SimChangedReceiver extends BroadcastReceiver {
   }
 
   public static void checkSimState(final Context context) {
-    if (hasDifferentSubscriptions(context)) {
+    if (hasDifferentSubscriptions(context) && VersionTracker.isDbUpdated(context)) {
       ApplicationContext.getInstance(context)
                         .getJobManager()
                         .add(new GenerateKeysJob(context));