Activity/provider used is restricted to the application's Package, but can be spread across other packages as well.

A better way to construct the activity name should be by getting the substring from the fully qualified classname
itself and not using the PackageInfo.
Credit:Ritu Srivastava

Change-Id: I9ff5a27d828d5d3836bb55101cb947f670ea5941

apps/Development/src/com/android/development/PackageSummary.java

@@ -251,7 +251,7 @@ public class PackageSummary extends Activity {
     private final static void setItemText(Button item, PackageInfo pi,
                                           String className)
     {
-        item.setText(className.substring(pi.packageName.length()+1));
+        item.setText(className.substring(className.lastIndexOf('.')+1));
     }
 
     private final class ActivityOnClick implements View.OnClickListener