1 files changed, 5 insertions, 3 deletions
diff --git a/main/src/cgeo/geocaching/apps/AbstractApp.java b/main/src/cgeo/geocaching/apps/AbstractApp.java
index c95e8b4..f3715f3 100644
--- a/main/src/cgeo/geocaching/apps/AbstractApp.java
+++ b/main/src/cgeo/geocaching/apps/AbstractApp.java
@@ -1,10 +1,12 @@
 package cgeo.geocaching.apps;
 
 import cgeo.geocaching.Geocache;
-import cgeo.geocaching.cgeo;
+import cgeo.geocaching.MainActivity;
 import cgeo.geocaching.cgeoapplication;
 import cgeo.geocaching.utils.ProcessUtils;
 
+import org.apache.commons.lang3.StringUtils;
+
 import android.content.Intent;
 
 public abstract class AbstractApp implements App {
@@ -26,10 +28,10 @@ public abstract class AbstractApp implements App {
 
     @Override
     public boolean isInstalled() {
-        if (ProcessUtils.isInstalled(packageName)) {
+        if (StringUtils.isNotEmpty(packageName) && ProcessUtils.isInstalled(packageName)) {
             return true;
         }
-        return cgeo.isIntentAvailable(intent);
+        return MainActivity.isIntentAvailable(intent);
     }
 
     protected Intent getLaunchIntent() {