fix returning of error

lib/rex/post/meterpreter/extensions/android/android.rb

@@ -246,7 +246,11 @@ class Android < Extension
     request = Packet.create_request('activity_start')
     request.add_tlv(TLV_TYPE_URI_STRING, uri)
     response = client.send_request(request)
-    response.get_tlv(TLV_TYPE_ACTIVITY_START_RESULT).value
+    if response.get_tlv(TLV_TYPE_ACTIVITY_START_RESULT).value
+      return nil
+    else
+      return response.get_tlv(TLV_TYPE_ACTIVITY_START_ERROR).value
+    end
   end
 
   def send_sms(dest, body, dr)

lib/rex/post/meterpreter/extensions/android/tlv.rb

@@ -78,6 +78,7 @@ TLV_TYPE_CELL_SYSTEM_ID              = TLV_META_TYPE_UINT      | (TLV_EXTENSIONS
 
 TLV_TYPE_URI_STRING                  = TLV_META_TYPE_STRING    | (TLV_EXTENSIONS + 9101)
 TLV_TYPE_ACTIVITY_START_RESULT       = TLV_META_TYPE_BOOL      | (TLV_EXTENSIONS + 9102)
+TLV_TYPE_ACTIVITY_START_ERROR        = TLV_META_TYPE_STRING    | (TLV_EXTENSIONS + 9103)
 
 end
 end

lib/rex/post/meterpreter/ui/console/command_dispatcher/android.rb

@@ -538,7 +538,12 @@ class Console::CommandDispatcher::Android
     end
     
     uri = args[0]
-    client.android.activity_start(uri)
+    result = client.android.activity_start(uri)
+    if result.nil?
+      print_status("Intent started")
+    else
+      print_error("Error: #{result}")
+    end
   end
  
   #