Unable to get the required object using FindChild method

Hello Everyone,

Currently we are testing a Android application, in which we are trying to get an object using findchild method. But we couldnt get the required object even after searching it in the depth of 7. Please suggest if this the right approach or any other things needed. Example code can be seen below. Please find the object and its properties in the attachments. 

function getRequiredChild(stringChildName)
{

        var processMotionSizer = Aliases["Device"]["ProcessMotionsizer"]["MotionSizerMainPage"];
        var arrayProperty = new Array("tagName","contextText");
        var arrayValue = new Array("LABEL",stringChildName);
        var objectRequiredChild = processMotionSizer["FindChild"](arrayProperty,arrayValue,7);

         return objectRequiredChild;

}

function getLabel(stringLabel)                                                            //@Param: stringLabel will be  "Type"
{
        var objectCombobox = getRequiredChild(stringLabel);
        if(objectCombobox!=EmptyObject)
        objectCombobox["Select"](0)["Touch"]();
        else
        Log["Error"]("ERROR:::");
}