MAU Backend Enhancement

Hi All,
I am trying to Enhance my MAU Application from the backend perpespective. I am following one Enhancement Guide.
It has a process, through a BADI, in which I can pass some extra fields to the MAU Application on my client.
We can set the Enhancement flag, on the Order details page.
And clicking this Enhancement link (in the client), I can find the Fields which I have defined in the BADI and their values which are decided by my coding in the BADI.
Now the problem is that these fields are display only, but I need one field as an editable one which can be edited on the Client and updated in the backend.
Can somebody tell me how to achieve this?
Do we have to meddle up with the SyncBO structures?
Ask any questions needed to clarify the issue.
Ankur

Hi Ankur,
as you see in Larissas reply, MAM does not support this fieldto be changed on the client. This is due to the fact, that there is no CREATE/MODIFY handler fot that. Have you seen the enhancement guides for xMAM in service.sap.com/instguides? These should give you a better instruction on how to do that with a step by step scenario.
In short words: if you want to change an entry of the SyncBO on the client, you need a MODIFY handler in the backend. Standard MAM has no modify handler for that field/Bo - as Larissa mentioned. Luckily enough, xMAM has its enhancement concept. Go to SE19 in the backend and in there modify/create the MODIFY handler for your specific object. If you then switch on the enhancem,ent flag of the BO, you should be able to change this item on th client. Once this is done you can change the UI and then.... off we go
All these steps are mentioned in the Enhancement documents of xMAM. You find them under service.sap.com/instgudes -> xApps -> xApps mobile -> xMAMxx
Well, hope this helps to get you a few steps forward in the process!
Regards,
Oliver

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Hi Srinivas,
MAM backend enhancements is based on a standard SAP approach - user exits.
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Hi,
I am working on xMAU 3.0 SR1. As a part of enhancements to the standard application, I want to modify some fields in a order on the client side and when I sync these fields should be updated in the backend by a BADI.
As per my understanding I should be using only the process classes to persist values to local DB2E on the client side. I checked the methods for persisting the order fields in the client side and realised that as per the existing process class for order (com.sap.mbs.mam.order.process.OrderProcess), I can just save order header(Mam001), order operation(Mam001Item080) and partner(Mam001Item100).
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I have already gone through the enhancement guide twice and did not find any solution. Please let me know if you have any solution.
Best regards,
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Hi Oliver,
Thanks for your response.
I agree with you that BADI needs to be devloped for create,modify and create functionality. But this change is related to backend.
With regards to the front end changes for saving fields in MI client DB, I will need to call process classes to save the fields. As I mentioned earlier, the current process class(com.sap.mbs.mam.order.process.OrderProcess) does not have provision to save Mam001Item020. And I am not sure if I should be persisting a MAM custom enhancement field value in the client database without calling the process class.
The question still remains - How I can save the fields in MI client?
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MAU Enhancement Guide Problem

Hey,
I´m trying to get acquainted with developing ME/MI applications. Therefore I have read some documentation around the whole system. Then I started with the MDK-Tutorial and made it until the end. But that tutorial is more for learning to create SyncBO´s etc, but less for developing frontend applications.
So I´m working with the enhancement guide for MAM and MAU. Making the easy look & feel changes is not a problem, but now I come to the part where I have to write new business logic etc(orderlists with equipments).
I should write a new "onLoad-method" to read enhanced data from the backend, but I don´t know all the methods, object-types etc. used in the "onLoad-Method" of OrderList.java...
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Hi Peter,
ok, I´ll try to describe my problem a little bit more specific!
(If You have the Guide, the example "modifications" starts on page 69)...
The practise is to add a new field to a list on the frontend application. In a previous unit I have added a new implementation to the BADI for the Equipments SyncBO, including a new field called "ZZ_EQUI_SORT". After replicating the SyncBO, you can see the field by pressing the "enhancement" - Link on the equipment detail screen.
Now, I should add this field to the orderlist screen (like the enhancement guide tries to explain as next).
Therefore I have to create a ZListDef.xml file with the new column for the equipment-sort-field.
After that, and now I have my problem, I should enhance the view controller "OrderList.java" and name it "CustomOrderList.java". Like it is described in the guide, I have to extend the onLoad-Method of this new OrderList class with the the normal orders information + the equipments field.
That is all information, the enhancement guide gives me to that change.
So how exactly can I do that? Just use the action from the onLoad-Method of EquipmentList.java? Or can you tell me how to proceed now?
I hope that this describes my problem a little bit more closely.
Thank You for any answer!
Cheers Arne

Help in Enhancement of MAU application in Frontend

Hi All,
I am enhancing MAU application.
we have an Enhancements link where the data is getting displayed. I want to make this data field editable.
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Hi,
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%>
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Kind regards,
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Hi All,
I am trying to make some enhancements in the MAU application. Like we have an ActivityManagement jsp page which consists of 4 tabs. Every tab is a jsp page which has its own table of contents.
Now I want to add a new tab which is a jsp page & wanted to add few fields like the other jsp's.
i am able to get the tab but i am not able to display the fields in that.
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ERROR :
Location: /MAU30/zcustom/meter_reading_result_list.do
Internal Servlet Error:
java.lang.ClassCastException
at com.sap.mbs.mau.zcustom.control.ZCustomManagement.(ZCustomManagement.java:35)
at sun.reflect.NativeConstructorAccessorImpl.newInstance0(Native Method)
at sun.reflect.NativeConstructorAccessorImpl.newInstance(NativeConstructorAccessorImpl.java:39)
at sun.reflect.DelegatingConstructorAccessorImpl.newInstance(DelegatingConstructorAccessorImpl.java:27)
at java.lang.reflect.Constructor.newInstance(Constructor.java:274)
according to this description the error is in private final I11PaymentManager i11PaymentManager = (I11PaymentManager)naming.lookup(I11PaymentManager.class.getName());
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Thanks & Regards
Neha Mahanty

Hi Neha,
I have a question, is ZCustomManagement.java name of your controller class for the jsp you are trying to fetch the list?
Looking through the code, this type of exception comes when you are trying to assign a object of a type to another type which is not compatible with each other , in short cannot be type casted.
Now in your code,
1) check whether i11PaymentManager.getI11Payments() method is fetching the BOList
2) try to debug the method fillObjectList(paymentList), I suspect this is where the code is failing.
Hope you find this helpful!
Warm Regards
Priya Ghosh

Queries related to Enhancements on MAU application

HI All,
I have some questions on Enhancements of MAU application.
1. In mau_extn.views file we do the mapping between standard view & the customer extended view.
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Thanks & Regards
Neha Mahanty

Hi,
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Hope you understood this.
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I would suggest you to check the enhancement guide for the same. It explains all these in detail.
Hope this helps.
Regards,
Siva.

Enhancement help on MAU needed

Hi,
I am working on MAU enhancement. As a part of this enhancement, I need to add a new page to the existing flow in order details page.
I have created a new JSP page with a input field. On a submit event I want to access the input field value in a view controller. I have written the view controller and try to access the field value from the context. But I always get a null. I referred to other MAU screens (for example time confirmation and new order creation screens). There I can see a custom controller is implemented and the input field values are accessed in the custom controller. What is the significance of the custom controller?
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I have gone throught the enhancement guide but did not see any mention on this.
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Best regards,
Nakul

Hi,
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Hope that helps!
Regards,
Oliver

Event to be written in submit button in MAU Enhancement

Hi All,
I am doing enhancements in MAU application.
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Hi,
best support in that case: have a look into the enhancement documents on SERVICE.SAP.COM/INSTGUIDES -> xapps- xapps mobile -> xMAM XX
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Let me explain problem:
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> Marcus, is part of the scope of this forum help someone with a consulting issue or a problem concerning SAP system. So, my colleague faced this issue and Andreas Rudolph have replied with the solution
No offense
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> That's the point
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