diff --git a/src/android/cordova/plugin/jcprinter/JcPrinter.java b/src/android/cordova/plugin/jcprinter/JcPrinter.java
index dd14954..427c6a5 100644
--- a/src/android/cordova/plugin/jcprinter/JcPrinter.java
+++ b/src/android/cordova/plugin/jcprinter/JcPrinter.java
@@ -110,9 +110,18 @@ public class JcPrinter extends CordovaPlugin {
                                         obj = methodJsonArgs.opt(i);
                                     }
                                     if(obj instanceof JSONArray){
-                                        Object array = Array.newInstance(a.getComponentType(),((JSONArray) obj).length());
+                                        a = a.getComponentType();
+                                        Object array = Array.newInstance(a,((JSONArray) obj).length());
                                         for(int j=0;j<((JSONArray) obj).length();j++){
-                                            Array.set(array,j,((JSONArray) obj).opt(j));
+                                            Object innerObj;
+                                            if(a == Float.class){
+                                                innerObj = Float.parseFloat(((JSONArray) obj).optString(j));
+                                            } else if(a == Integer.class){
+                                                innerObj = ((JSONArray) obj).optInt(j);
+                                            } else{
+                                                innerObj = ((JSONArray) obj).opt(j);
+                                            }
+                                            Array.set(array,j,innerObj);
                                         }
                                         methodArgs[i] = array;
                                     }else{