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Oracle ADF at Oracle OpenWorld 2012

- by Shay Shmeltzer

This year is going to be very busy for Oracle ADF developers who'll attend Oracle Open World. Check out the list of Oracle ADF related sessions, labs, demos and other Oracle ADF activities. This list will help you not to miss any ADF related activity. We have over 50 ADF related sessions, multiple labs including new ones on ADF Mobile, Application Life Cycle Management and ADF in Eclipse, we'll have several demo booths where you can meet product managers, and we'll be featured in several keynotes as well. While we have several "beginners" sessions, you'll find that we have a lot of in-depth technical sessions and sessions that cover best-practices too. Of course, it is not just us product managers presenting about Oracle ADF, there are a lot of Oracle ADF sessions presented by customers, Oracle ACEs, and other developers. So you can learn from the experience of real life implementations. Note that the ADF content starts early on Sunday with a full set of Oracle ADF sessions arranged for you by the Oracle ADF Enterprise Methodology Group - so plan your trip accordingly and be there early Sunday morning. First thing on Monday morning, don't miss the keynote for Oracle ADF developers at 10:45 at the Marriott Marquis - Salon 8 - "The Future of Development for Oracle Fusion—From Desktop to Mobile to Cloud". We are also arranging a meet-up of developers using Oracle ADF at the OTN Lounge on Wed at 4:30pm - and we would love to meet you there - this will also give you an opportunity to meet other Oracle ADF users and members of the community. And after that we can all head over to the big Wed party to see Pearl Jam and Kings of Leon. One recommendation for those who are already registered - start planning your schedule and booking your place in the sessions now through the schedule builder. This will guarantee that you won't be left out of sessions you want to attend due room size limitations. Oracle OpenWorld 2013 will be a must attend event for serious Oracle ADF developers - don't miss it.

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At Collaborate 10 Next Week

- by shay.shmeltzer

I'm going to be at the Collaborate 10 conference next week doing a couple of sessions and hanging out in the JDeveloper booth at the demoground. My sessions are on Monday morning back to back: Developing Cutting Edge Web UI for Enterprise Applications - The Easy Way Monday, April 19 10:45 am - 11:45 am 401 The Fusion Development Experience Monday, April 19 12:00 pm - 12:30 pm 404 The first session will also be available for those watching the conference over the Web. If you want to see how Fusion applications are being built, and how you can use the same approach to do custom development for your applications, or create rich UIs for your applications then these would be good sessions to see. I'll also be doing shifts in the demo ground in a JDeveloper/ADF booth - so if you have any questions, complaints, or suggestions - or if you just want to understand what is this thing good for - come on over and we'll talk.

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Working with the ADF Faces dvt:map component

- by shay.shmeltzer

A couple of weeks ago I did a web seminar with Navteq titled "Add Maps to Your Java Applications - the Easy Way". You can now download and watch the recording of this seminar. For my part it was mostly a demo of how you can use the dvt:map component in JDeveloper and do some customization on it. See if it is helpful for you.

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Oracle ADF Mobile - Develop iOS and Android Mobile Applications with Oracle ADF

- by Shay Shmeltzer

We are very happy to announce the release of Oracle ADF Mobile. The new Oracle ADF Mobile enables developers to build applications that run on iOS and Android devices. Several unique aspects to Oracle ADF Mobile solution: Develop once run on many - same code base used for both iOS and Android applicaitons Uses Java - no need to learn device specific languages Leverage ADF - same concepts you are familiar with (component based UI construction, taskflow, data controls) Leverage JDeveloper - same development environment you know, same declarative and visual style. Create native looking applications - HTML 5 based UI components (that you can also skin) Use device services - Leverage the camera, SMS, location, contact etc without learning device specific APIs Create Hybrid applications - run on the device and able to consume remote data and UI if needed Here is the 3 minute introduction Oracle ADF Mobile is available as an extension to Oracle JDeveloper 11.1.2.3 - use the help->check for updates to install it. Then head over to the Oracle ADF Mobile page for all the resources you need. If you are an Oracle ADF developer, it's time to update your resume - you are now a mobile device developer too :-)

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Declarative View Objects (VOs) for better ADF performance

- by Shay Shmeltzer

Just got back from ODTUG's kscope13 conference which had a lot of good deep ADF content. In one of my session I ran out of time to do one of my demos, so I wanted to share it here instead. This is a demo of how Declarative View Objects can increase your application's performance. For those who are not familiar with declarative VOs, those are VOs that don't actually specify a hard coded query. Instead ADF creates their query at runtime, and it does it based on the data that is requested in your UI layer. This can be a huge saver of both DB resources and network resources. More in the documentation. Here is a quick example that shows you how using such a VO can automatically switch to a simpler SQL instead of a complex join when needed. (note while I demo with 11.1.2.* the feature is there in 11.1.1.* versions also). The demo also shows you how you can monitor the SQL that ADF BC issues to the database using the WebLogic logging feature in JDeveloper. As a side note, I would have loved to see more ADF developers attending Kscope. This demo was part of the "ADF intro" track at Kscope, In the advanced ADF track you would have been treated to a full tuning session about ADF with lots of other tips. Consider attending Kscope next year - it is going to be in Seattle this time.

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Why ADF Developers Should Attend ODTUG This Year

- by shay.shmeltzer

If you are using Oracle ADF or planning to pick it up in the next year, I would encourage you to try and attend this year's ODTUG K-Scope conference. If you are not familiar with it, ODTUG - the Oracle Development Tools User Groups - holds a yearly conference that is very technical in nature. It is not a huge conference in terms of the number of attendees, but this just means that you have more opportunities to interact with Oracle ACEs, Oracle Product Managers, and other developers. The conference is known to be a no-fluff, no-marketing, technical conference. This year however there is one key new thing that should be of interest to readers of this blog. A new track called the "Fusion Middleware" track has been formed and it has lots of sessions for any level of ADF developer. The track is run by several Oracle ACEs who are also involved in the ADF Enterprise Methodology Group. They have sessions for every level of ADF awareness - from the beginner to the expert, and you can also learn about related technologies such as WebCenter and SOA Suite. Most of the sessions are run by users who share their real world experience with the technology. And me and other PMs will also be running a few sessions and hands-on labs there. Check out the list of sessions in the Fusion Middleware track. And don't miss the Sunday symposium too.

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ODTUG is Looking for your ADF Feedback

- by Shay Shmeltzer

While we at Oracle are busy planning next month's Oracle OpenWorld - which should have one of the busiest schedule ever for ADF developers - another conference is also looking to know what you would like to learn about Oracle ADF. ODTUG is well on their way planning the upcoming KScope 13 conference - and they would like to better understand the needs of developers who are already working with ADF or of developers who are about to embark on their ADF road. They have put up a new short survey to collect your thoughts here. And while we are talking about KScrope it is worth mentioning that one easy way to get a free pass to that conference is to get accepted as a speaker and their call for papers is now open. Check it out and submit your ADF abstracts. And one last point about ODTUG - they just added several web seminars about ADF to their upcoming schedule of free online seminars - check it out and register now - membership is not required for attending the seminars.

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One more chance to get your JDeveloper/ADF session into OOW

- by shay.shmeltzer

Did you miss the deadline for submitting sessions to OOW/Oracle Develop? Did you submit a session that didn't get in? Here is one more chance to get a session in - the "suggest a session" process on Oracle Mix is now open to session submissions by users. Then there will be a voting period open to the public - and the most popular sessions will be added to the OOW/Oracle Develop schedule. This is probably your last chance to get a session in this year, and get a free speaker pass to the event. So don't miss it - share your knowledge. https://mix.oracle.com/oow10/proposals More info on the process here.

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Combining Multiple Queries and Parameters into One Operation

- by shay.shmeltzer

This question came up twice this week and while the solution is explained in a couple of previous blog entries I did, I thought that showing off the complete solution in a single video would be nice. The scenario is that you have two VOs with queries that are based on a parameter, I showed in the past how to create a parameter form that executes the query - and you can do this for both. But what if you actually need just one value to drive both queries? How do you combine two parameter forms and two buttons into one? This is what this video shows you. The steps are: Creating two parameter forms Setting the value of a parameter in the binding tab Creating a backing bean to execute the code for one button Adding the code to execute another operation Remarking the parts that can be dropped from the screen Check it out here:

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Even More New ADF Bloggers

- by Shay Shmeltzer

A couple of weeks back I posted an entry about new ADF related blogs that I found out about. Well as they say "when it rain it pours" - and over the past few days I came across several other new bloggers that cover ADF. So here are a few others that you might want to add to your ADF blog aggregator: http://adfplus.blogspot.com - Paco van der Lindenhttps://blogs.oracle.com/aramamoo/ - Arunhttp://e20labs.org - Chad Thompsonhttp://oracleadfhowto.blogspot.com/ - Vinay Agarwalhttp://javaosdev.blogspot.com - Donovan Sherriffs https://blogs.oracle.com/prajkumar - Phil Wanghttp://oracle-itself.tumblr.com - Wael Abdeenhttps://blogs.oracle.com/adfthoughts - Raphael Rodriguehttp://adfwithejb.blogspot.com - Prateek Kumar shaw And here are a few more that are not just about ADF but do have the occasional ADF related entry:http://yonaweb.be - Yannick Ongenahttp://blog.whitehorses.nl - whitehorseshttps://blogs.oracle.com/imc - ISV Migration Center Team and the usual reminder here: To keep track of all things new in the ADF blog world follow the JDeveloper twitter or like JDeveloper on facebook to get notified of the latest entries we find for you around the world.

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Adding an LOV to a query parameter (executeWithParams)

- by shay.shmeltzer

I showed in the past how you can use the executeWithParams operation to build your own query page to filter a view object to show specific rows. I also showed how you can make the parameter fields display as drop down lists of values (selectOneChoice). However this week someone asked me if you can have those parameter fields use the advanced LOV component. Well if you just try and drag the parameter over, you'll see that the LOV option is not there as a drop option. But with a little bit of hacking around you can achieve this. (without actual Java coding). Here is a quick demo:

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Don't Miss - Oracle ADF Virtual Developer Day 2013

- by Shay Shmeltzer

With budget cuts all over the world less and less developers get to travel to conferences. So how do you keep up with the latest technical aspects of your development environment? Oracle to the rescue with our Virtual Developer Day. We are happy to announce the 2013 Oracle ADF Virtual Developer Days Online sessions that include a live Q&A with product managers that will cover everything you need to know about Oracle ADF - all from the comfort of your office chair. With sessions that cover best practices, tuning, mobile, Eclipse support and even some getting started information there is something in this day for every level of experience with Oracle ADF - you are sure to learn some new things too! Sessions are delivered by Oracle product managers with a special track delivered by expert customers covering some advanced topics. Check out the schedule and register for the event in your time zone.

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Setting up a Carousel Component in ADF Mobile

- by Shay Shmeltzer

The Carousel component is one of the slickier ways of showing collections of data, and on a mobile device it works really great with the finger swipe gesture. Using the Carousel component in ADF Mobile is similar to using it in regular web ADF applications, with one major change - right now you can't drag a collection from the data control palette and drop it as a carousel. So here is a quick work around for that, and details about setting up carousels in your application. First thing you'll need is a data control that returns an array of records. In my demo I'm using the Emps collection that you can get from following this tutorial. Then you drag the emps and drop it in your amx page as an ADF mobile iterator. We are doing this as a short cut to getting the right binding needed for a carousel in our page. If you look now in your page's binding you'll see something like this: You can now remark the whole iterator code in your page's source. Next let's add the carousel From the component palette drag the carousel (from the data view category) to the page. Next drag a carousel item and drop it in the nodestamp facet of the carousel. Now we'll hook up the carousel to the binding we got from the iterator - this is quite simple just copy the var and value attributes from the iterator tag to the carousel tag: var="row" value="#{bindings.emps.collectionModel}" Next drop a panelForm, or another layout panel in to the carousel item. Into that panelForm you can now drop items and bind their value property to row.attributeNames - basically copying the way it is in the fields in the iterator for example: value="#{row.hireDate}". By the way you can also copy other attributes like the label. And that's it. Your code should end up looking something like this: <amx:carousel id="c1" var="row" value="#{bindings.emps.collectionModel}"> <amx:facet name="nodeStamp"> <amx:carouselItem id="ci1"> <amx:panelFormLayout id="pfl1"> <amx:inputText label="#{bindings.emps.hints.salary.label}" value="#{row.salary}" id="it1"/> <amx:inputText label="#{bindings.emps.hints.name.label}" value="#{row.name}" id="it2"/> </amx:panelFormLayout> </amx:carouselItem> </amx:facet> </amx:carousel> And when you run your application it will look like this:

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Responsive Design for your ADF Faces Web Applications

- by Shay Shmeltzer

Responsive web applications are a common pattern for designing web pages that adjust their UI based on the device that access them. With the increase in the number of ADF applications that are being accessed from mobile phones and tablet we are getting more and more questions around this topic. Steven Davelaar wrote a comprehensive article covering key concepts in this area that you can find here. The article focuses on what I would refer to as server adaptive application, where the server adapts the UI it generates based on the device that is accessing the server. However there is one more technique that is not covered in that article and can be used with Oracle ADF - it is CSS manipulation on the client that can achieve responsive design. I'll cover this technique in this blog entry. The main advantage of this technique is that the UI manipulation does not require the server to send over a new UI when a change is needed. This for example allows your page to change immediately when you change the orientation of your device. (By the way this example was developed for one of the seminars in the upcoming Oracle ADF OTN Virtual Developer Day). In the demo that you'll see below you'll see a single page that changes the way it is displayed based on the orientation of the device. Here is the page with the tablet in landscape and portrait: To achieve this I'm using a CSS media query in my page template that changes the display property of a couple of style classes that are used in my page. The media query has this format: @media screen and (max-width:700px) { .narrow { display: inline; } .wide { display: none; } .adjustFont { font-size: small; } .icon-home { font-size: 24px; } } This changes the properties of the same styleClasses that are defined in my application's skin. Here is a quick demo video that shows you the full application and explains how it works. For those looking to replicate this, here are the basic files: skin1.css @charset "UTF-8";/**ADFFaces_Skin_File / DO NOT REMOVE**/@namespace af "http://xmlns.oracle.com/adf/faces/rich";@namespace dvt "http://xmlns.oracle.com/dss/adf/faces";.wide { display: inline;}.narrow { display: none;}.adjustFont { font-size: large;}.icon-home { font-family: 'UIShellUGH'; -webkit-font-smoothing: antialiased; font-size: 36px; color: #ffa000;} pageTemplate: <?xml version='1.0' encoding='UTF-8'?><af:pageTemplateDef xmlns:af="http://xmlns.oracle.com/adf/faces/rich" var="attrs" definition="private" xmlns:afc="http://xmlns.oracle.com/adf/faces/rich/component"> <af:xmlContent> <afc:component> <afc:description>A template that will work on phones and desktop</afc:description> <afc:display-name>ResponsiveTemplate</afc:display-name> <afc:facet> <afc:facet-name>main</afc:facet-name> </afc:facet> </afc:component> </af:xmlContent> <meta name="viewport" content="width=device-width, initial-scale=1"/> <af:resource type="css">@media screen and (max-width:700px) { .narrow { display: inline; } .wide { display: none; } .adjustFont { font-size: small; } .icon-home { font-size: 24px; } }@font-face { font-family: 'UIShellUGH'; src: url(data:application/x-font-woff;charset=utf-8;base64,d09GRk9UVE8AA..removed code here...AzV6b1g==)format('truetype'); font-weight: normal; font-style: normal; } </af:resource> <af:panelGroupLayout id="pt_pgl4" layout="vertical" styleClass="sizeStyle"> <af:panelGridLayout id="pt_pgl1"> <af:gridRow marginTop="5px" height="40px" id="pt_gr1"> <af:gridCell marginStart="5px" width="100%" marginEnd="5px" id="pt_gc1"> <af:panelGroupLayout id="pt_pgl3" halign="center" layout="horizontal"> <af:outputText value="h" id="ot2" styleClass="icon-home"/> <af:outputText value="HR System" id="ot3" styleClass="adjustFont"/> </af:panelGroupLayout> </af:gridCell> </af:gridRow> <af:gridRow marginTop="5px" height="auto" id="pt_gr2"> <af:gridCell marginStart="5px" width="100%" marginEnd="5px" id="pt_gc2" halign="stretch"> <af:panelGroupLayout id="pt_pgl2" layout="scroll"> <af:facetRef facetName="main"/> </af:panelGroupLayout> </af:gridCell> </af:gridRow> <af:gridRow marginTop="5px" height="20px" marginBottom="5px" id="pt_gr3"> <af:gridCell marginStart="5px" width="100%" marginEnd="5px" id="pt_gc3"> <af:panelGroupLayout id="pt_pgl5" layout="vertical" halign="center"> <af:separator id="pt_s1"/> <af:outputText value="Copyright Oracle Corp. 2013" id="pt_ot1" styleClass="adjustFont"/> </af:panelGroupLayout> </af:gridCell> </af:gridRow> </af:panelGridLayout> </af:panelGroupLayout></af:pageTemplateDef> Example from the page: <af:gridRow id="gr3"> <af:gridCell id="gc7" columnSpan="2"> <af:panelGroupLayout id="pgl8" styleClass="narrow"> <af:link text="Menu" id="l1"> <af:showPopupBehavior triggerType="action" popupId="p1" align="afterEnd"/> </af:link> </af:panelGroupLayout> <af:panelGroupLayout id="pgl7" styleClass="wide"> <af:navigationPane id="np1" hint="buttons"> <af:commandNavigationItem text="Departments" id="cni1"/> <af:commandNavigationItem text="Employees" id="cni2"/> <af:commandNavigationItem text="Salaries" id="cni3"/> <af:commandNavigationItem text="Jobs" id="cni4"/> <af:commandNavigationItem text="Services" id="cni5"/> <af:commandNavigationItem text="Support" id="cni6"/> <af:commandNavigationItem text="Help" id="cni7"/> </af:navigationPane> </af:panelGroupLayout> </af:gridCell> </af:gridRow>

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Introduction to the ADF Debugger

- by Shay Shmeltzer

Not that you'll ever need this blog entry - after all there are never bugs in the code that YOU write. But maybe one day one of your peers will ask you for help debugging their ADF application so here we go... One of the cool features of JDeveloper and ADF is the ADF Debugger - a way to debug the declarative pars of Oracle ADF. The debugger goes beyond your regular Java debugger and shows you in a clear way specific information related to Oracle ADF - things like where are you in the taskflow/region hierarchy, what is in your various scopes, what is the value of a specific EL and much more. However, from the number of posts on OTN where people are saying "I placed a System.out.println() to see what the value was...", it seems that not many are familiar with the power of the debugger. So here is a short demo that shows you some aspects of the debugger such as: Setting breakpoints on various ADF artifacts The ADF structure window The ADF Data window The EL Evaluater window Want to learn more about debugging ADF applications - I highly recommend that you go back in time to 2009 and attend Steve Muench's OOW presentation about ADF debugging. Can't travel in time yet? Then the second best option is to look at his very clear ADF Debugging Slides, which were the inspiration to the above demo.

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GlassFish Extension for Oracle JDeveloper

- by Shay Shmeltzer

We just release a new version of Oracle JDeveloper - 11.1.2.3. One new feature here is built-in support for GlassFish. This include the ability to create an "application server" connection to GlassFish and then deploy to that server with one click from inside JDeveloper. You can use this for deploying Oracle ADF Essentials application on Glassfish, but you can also use it to deploy any Java EE application you build in JDeveloper on GlassFish. However, if you are planning to work with GlassFish and JDeveloper on a more regular basis as your development server, then you might find my new extension useful. The new extension allows you to start and stop an external GlassFish instance, as well as start it in debug mode (which will allow JDeveloper to remotely debug your application as it runs on the server. I also added a button that will invoke the web admin console of Glassfish. Here is a quick demo that will show you how to work with the extension: The extension is available from help->check for updates, or you can download it directly from here, and then use help->check for updates pointing to the local zip file.

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JavaOne+Oracle Develop or OOW? - You don't need to choose

- by shay.shmeltzer

So you went to the JavaOne/Oracle Develop registration and noticed that this pass doesn't include entry to the Oracle OpenWorld (OOW) sessions. Then you looked at the OOW pass and noticed this one doesn't include access to Oracle Develop and JavaOne. What's up with this? What if you want to see session in all of the above? Well turns out you don't need to pay for two complete passes (each around $2,000) - if you actually choose OOW registration and go through the registration steps - after you finish inserting your personal info you'll get a chance to extend your OOW pass to include Oracle Develop and JavaOne for only an additional $100. Cool! Extra bonus this year - even if you are just getting the JavaOne/Oracle Develop pass you get to go to the Wednesday night party with the big rock shows.

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New Book - Oracle ADF Enterprise Application Development Made Simple

- by Shay Shmeltzer

It's nice to see another ADF book out there, this one from Sten Vesteli titled "Oracle ADF Enterprise Application Development Made Simple" comes from Packet Publishing Unlike other ADF books out there, this one doesn't aim to teach you Oracle ADF, but rather focuses on the right way to structure and manage a project that leverages ADF. This is a welcomed addition to the bookshelf for people who are looking into ADF based development. One thing I find is that some organization just start developing an ADF application without first doing much planning, something that is understandable given that it is very easy to start building a prototype with ADF and then just grow it into a full blown application. However, as the book points out, doing a bit of planning before you delve into the actual project development can save you a lot of time in the future. For example it is much better to have the right breakdown and structure of your project to allow you to do efficient team development right out of the gate, then to find out 1 year down the road that you are dealing with one monolithic size project which is hard to manage. The book touches on such topics as project organization (workspaces, projects, packages), planning your infrastructure (templates, framework classes), coding standards, team structure, etc. It also covers various aspects of application lifecycle management such as versioning, build, testing, deployment and managing requirements and tasks and how all of those are done when using JDeveloper and Oracle ADF. It's nice to see that the book covers working with Oracle Team Productivity Center - a solution that might not be getting the exposure it deserves. The book also has some chapters about security, internalization and customization of applications both with MDS and with ADF Faces skins (and it even covers the brand new skin editor). Overall I think this is definitely a book you should read if you are about to start your way on a new enterprise scale ADF application. Taking into account the topics that the book discusses before you start your work will save you time and effort down the road. By the way, don't forget that as an OTN member you can get discount on this and other books.

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Updating an ADF Web Service Data Control When Service Structure or Location Change

- by Shay Shmeltzer

The web service data control in Oracle ADF gives you a simplified approach to consuming services in ADF applications, and now with ADF Mobile the usage of this service seems to be growing. A frequent question we get is what happens if the service that I'm consuming changes - how do I update my data control? Well, first we should mention that if you do a good design of your application before you actually code - then things like Web service method signature shouldn't change. The signature is the contract between the publisher and the consumer, and contracts shouldn't be broken. But in reality things do change during development stages, so here is how you can update both method signatures and service location with the Web service data control: After watching this video you might be tempted to not copy the WSDLs to your project - which lets you use the right click update on a data control. However there is a reason why the copy is on by default, it reduces network traffic when you are actually running your application since ADF doesn't need to go to the server to find out the service structure. So for runtime performance, you probably should keep the WSDL local. I encourage you to further look into both the connections.xml file where your service location is saved, and the datacontrols.dcx file where its definition is kept to get an even deeper understanding of how ADF works underneath the declarative layers.

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Managing Files/Folder in Content Repositories or File Systems with Oracle ADF and WebCenter

- by Shay Shmeltzer

One more entry in a set of entries (1,2,3) about the capabilities that WebCenter adds to ADF applications. WebCenter is basically the new Portal framework in the Oracle stack - and one key thing that portals do is work with content, allowing you to compose and publish content from files as well as save and store content. In this demo you'll see how using a set of taskflows provided by WebCenter you can add a file management, creation and viewing capabilities to a regular ADF application. To try this out you don't need any fancy content management system - we'll just use your file system for now. All you need is the WebCenter extension installed in JDeveloper, and then you can follow the demo on your own JDeveloper instance. You'll define a connection to your content repository you'll be able to add a bunch of pre-built WebCenter taskflows into your page. And suddenly you can upload/download/create and view document directly from your applicaiton. Check it out:

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Get an Introduction to Oracle ADF - Online Anytime

- by shay.shmeltzer

Last year we started recording various sessions about advanced ADF topics (binding, security, skinning etc) and published them in the new Oracle ADF Insider page on OTN.These are the type of sessions we usually deliver in the Oracle Develop or ODTUG conferences. But now you can watch them whenever you need to better understand these topics.Now we are extending the series to also cover the basics of Oracle ADF.We just published three sessions that cover an overview of Oracle ADF, an introduction to Oracle ADF Business Components, and an overview of Oracle ADF Faces.So if you are starting out and need to quickly understand what ADF is all about, or if you just want to understand what does ADF offers these might be a good starting point.Check out the ADF Insider Basics Sessions here.

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JDeveloper 11.1.1.3 (patch set 2) is Out

- by shay.shmeltzer

The new version has some new features -ADF Mobile Client, Spring Extension, Maven update, Web services and more - as well as bug fixes. List of features: http://www.oracle.com/technology/products/jdev/collateral/papers/11/newfeatures/index.html Download here: http://www.oracle.com/technology/software/products/jdev/htdocs/soft11.html

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JDeveloper and ADF Satisfaction Survey - Need Your Input

- by Shay Shmeltzer

The JDeveloper & ADF team is looking to get feedback on your experience using JDeveloper and Oracle ADF. We developed a short online survey that will help us understand your usage patterns as well as locate the areas where we need to improve our product. Your input will be helping us help you. Please take 5 minutes to complete the survey - https://www.oraclesurveys.com/se.ashx?s=705E3EFC4861B8EF Thanks for helping, The JDeveloper team

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Passing Parameters Between Web-Services and JSF Pages

- by shay.shmeltzer

This is another quick demo that shows a common scenario that combines several demos I did in the past. The scenario – we have two web services, one returns a list of objects, the other allows us to update an object. We want to build a page flow where the first page shows us the list of objects, allows us to select one, and then we can edit that instance in the next page and call the second web service to update our data source. The demo shows: How to select a row and save the object value in a pageFlowScope. (using setPropertyListener). How to create a page that allows me to modify the value of the pageFlowScope object, and how to pass the object as a parameter to the second Web service. Check it out here:

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Adaptive Layout for ADF Faces on Tablets

- by Shay Shmeltzer

In the 11.1.16 version of Oracle ADF we started adding specific features to the ADF Faces components so they'll work better on iPad tablets. In this entry I'm going to highlight some new capabilities that we have added to the 11.1.2.3 release. (note if you are still on the 11.1.1.* branch - you'll need to wait for 11.1.1.7 to get the features discussed here). The two key additions in the 11.1.2.3 version compared to the 11.1.1.6 features for iPad support include: pagination for tables and adaptive flow layout. The pagination for table is self explanatory, basically since iPad don't support scroll bars, we automatically switch the table component to render with a pagination toolbar that allow you to scroll set of records or directly jump to a specific set. See the image below. The adaptive flow layout takes a bit more explanation. On regular desktops the UI that you usually build for ADF Faces screens is going to use stretch layout - meaning that it stretches to fill the whole area of the browser window. If you resize the browser windoe, the ADF Faces page resizes with it. If your browser window is too small, scroll bars will appear to allow you to scroll to areas that are "hidden". However on an iPad, this is probably not the type of layout you want - you would rather have a flow layout that eliminates scroll bars and instead allows you to scroll down the page. Basically your want the page to be sized based on its content, rather then based on the browser window size. In ADF Faces terminology this can be done with the dimensionsFrom property set to "children". And here comes the tricky part, since in the past(and also today) when you create an ADF Faces page and add a stretchable component to it, the dimensionsFrom property is set to parent by default. This will be true to other layout components you'll add as well. At this point you might be wondering "Does this mean I'll need to go to each of the layout components in my page and modify the dimensionsFrom property value to be children?" ADF Faces to the rescue... To eliminate the need to do this tedious manual changes, we introduced a new web.xml parameter "oracle.adf.view.rich.geometry.DEFAULT_DIMENSIONS" You'll basically add the following to your web.xml <context-param> <description> This parameter controls the default value for component geometry on the page. Supported values are: legacy - component attributes use the default values as specified for the attributes in the tag documentation (default value) auto - component attributes use the correct default value given the value of their parent component. For example, with this setting, the panelStretchLayout will use "auto" as the default value for its "dimensionsFrom" attribute instead of "parent". </description> <param-name>oracle.adf.view.rich.geometry.DEFAULT_DIMENSIONS</param-name> <param-value>auto</param-value> </context-param> Once you set this parameter, you only need to set the dimensionsFrom attribute for the top level layout component on your page, and the rest of the components will adjust accordingly. One trick that you can use, and that is used in the demo below, is to have the dimensionsFrom property depend on the type of client that access your application. This way you can switch between stretch or flow layout based on the device accessing your application. For example I use the following in my page: <af:panelStretchLayout topHeight="70px" startWidth="0px" endWidth="0px" dimensionsFrom="#{adfFacesContext.agent.capabilities['touchScreen'] eq 'none' ? 'parent' : 'children' }"> Which results in a flow layout for iPads and a stretch layout for regular browsers. Check out the result in the below demo: &lt;span id=&quot;XinhaEditingPostion&quot;&gt;&lt;/span&gt;

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