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I was researching how to plugin WebSocket into JET. I would like to share my findings and explain how it works. It is amazing, how scalable and quick it is to send JSON message through WebSocket channel and render it in JET. Luckily WebSocket client is implemented in JavaScript, this integrates perfectly with Oracle JET (also based on JavaScript).
Watch recorded demo, where I’m sending updated data with JSON message through WebSocket. UI chart is rendered with JET. See how nicely JET re-draws chart, based on received new data (watch at 6th second):

Download sample application – JETWebSocket.zip. This contains both WebSocket application (implemented with JDeveloper) and JET (implemented with NetBeans).
On WebSocket server side, I’m listening for DB changes (Database Change Notification Listener Implementation). Each time when DB change happens, all changes are collected into one collection and sent to the clients through WebSocket: Read the complete article here.

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clip_image002In this article, I will describe how I took the Oracle JET Sample application that I deployed to Node.js – locally and in the Oracle Application Container Cloud-and extended it with a new tab containing a table component that is data bound to a collection populated from a REST API that also runs on Application Container Cloud and accesses a DBaaS instance.

The initial application was described in this previous article (Deploying an Oracle JET application to Application Container Cloud and running on Node.js); in that article I took the Oracle JET Starter Template Quickstart sample application, configured it to run on Node.js (locally) and then configured it for deployment on Application Container Cloud and subsequently ran it on the cloud. In this article, I will leverage the REST API exposed from a Node.js application Data API discussed in an earlier article: REST API on Node.js and Express for data retrieved from Oracle Database with node-oracledb Database Driver running on Application Container Cloud. This Data API connects to a DBaaS instance and retries data from the DEPARTMENTS table in the HR schema.

Extending the sample application with an additional tab that can be selected and shown, containing a table component with data binding to a newly defined viewmodel did not prove trivial at first. This was my first encounter with some of the frameworks included in JET – Require and especially Knock Out – and I ran into many small typos and fairly large misunderstandings. Now I believe I nailed it – and this article is the proof. Read the complete article here.

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clip_image001This is an important week in the mobile scene where Mobile World Congress is taking place in Barcelona, I think there is no better time to announce that the first Oracle Mobile Cloud Service in Spain is now in production. If you don’t know what Mobile Cloud Service is, you can check all my previous posts here. Posts about Mobile Cloud Service.

Click here to see the original post in avanttic blog (In Spanish)

clip_image002In avanttic we developed this project combining Oracle Mobile Application Framework with Oracle Mobile Cloud Service, which has allowed us to implement a mobility solution for the sales force of Industrial Farmacéutica Cantabra (IFC) in no time. The application will allow IFC to gain efficiency in their sales process and increase the turnover.
About the technology:

"Oracle Mobile Application Framework is a hybrid mobile framework that enables developers to rapidly develop multi-platform single-source applications Oracle MAF provides a visual and declarative development experience and maximizes code reuse resulting in faster development of mobile applications."

"Oracle Mobile Cloud Service is Oracle’s Mobile Backend as a Service (MBaaS) and enables companies to create and deploy scalable, robust, and secure mobile applications quickly and easily, and empowers developers to leverage enterprise IT systems—without having to get IT involved" Read the complete article here.

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clip_image002Using the Oracle JET framework and third-party tools, you can package and publish your hybrid application to the Google Play or Apple App stores.

Topics

· Packaging Hybrid Mobile Applications

· Publishing Hybrid Mobile Applications

Packaging Hybrid Mobile Applications

You can package your hybrid mobile application using the grunt build:release command for each platform that your hybrid mobile application will support. You must also sign the application before you can deploy it.

Perform the following tasks for each platform that your hybrid mobile application supports.

1. Change to the root directory and issue the grunt build:release command with the desired platform type.

2. grunt build:release –platform={ios|android}

The command will take some time to complete. When it’s successful, you’ll see the following message: Done, without errors.

The command will also output the name and location of the unsigned application in platforms/android or platforms/ios.

3. Create a buildConfig.json file to specify how to code sign your application.

The steps to code sign your application and create the buildConfig.json file vary by platform.

· iOS: iOS Shell Tool Guide

· Android: Android Shell Tool Guide

4. Rebuild the application and specify the path and name of the buildConfig.json file.

Read the tutorial here.

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The Oracle JavaScript Extension Toolkit (JET) framework includes support for hybrid mobile application development, providing Android and iOS Alta themes and UI behavior on Oracle JET components, starter applications, design patterns, and tooling support.

Before you can create your first hybrid mobile application, you should become familiar with the Oracle JET mobile features and third-party technologies. You must also install the prerequisite packages and Oracle JET mobile tools.

Topics

· Typical Workflow for Getting Started with Hybrid Mobile Development

· Installing the Mobile Tooling

· Creating a Hybrid Mobile Application

Get the tutorial here.

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Watch the video here.

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