B4J Question How to pass and iterate a list / map inside Inline Java

[Mashiane]

Hi there

I'd like to pass a list and a map to a JavaOject and then iterate these inside my Inline Java.

This is what I have tried so far where my paras is defined and initialized as a list.

NativeMe.RunMethod("CreateDocument", Array As Object(path,paras))

Then I added this...

#If Java
    import anywheresoftware.b4a.objects.collections.Map;
    import anywheresoftware.b4a.objects.collections.List;

With my sub to be called inside by b4j app

public void CreateDocument(String docFile,List pList)

Thing is, running..

NativeMe.RunMethod("CreateDocument", Array As Object(path,paras))

is giving me an error

java.lang.RuntimeException: Method: CreateDocument not matched.

 

[stevel05]

The List in B4j is an ArrayList object (java.util.ArrayList) unless you initialize it with an Array

To find the type :

Dim L As List
L.Initialize
Log(GetType(L))

The java sub will probably need to be declared static.

To iterate over the ArrayList in java :

#If Java
import java.util.ArrayList;
import java.util.Iterator;

public static void CreateDocument(String docFile, ArrayList pList){
    Iterator iterator = pList.iterator();
    while (iterator.hasNext()){
        BA.Log((String)iterator.next());
    }
}

#End If