Chapters Four and Five of Developing Applications in JavaScript using the Palm Mojo™ Framework now available

13 BY devrel

The fourth and fifth chapter of the Rough Cuts version of Palm webOS: Developing Applications in JavaScript using the Palm Mojo™ Framework by Palm Software CTO Mitch Allen is now available from O’Reilly.

Chapter four is “Dialogs and Menus” while chapter five covers “Advanced Widgets”.

Please visit Safari Books Online to download this chapter.

Topics  O'Reilly

Chapter Three of Developing Applications in JavaScript using the Palm Mojo™ Framework now available

5 BY devrel

The third chapter of the Rough Cuts version of Palm webOS: Developing Applications in JavaScript using the Palm Mojo™ Framework by Palm Software CTO Mitch Allen is now available from O’Reilly.

This chapter is titled “Widgets”. Widgets are dynamic UI controls, that can be integrated within any application. They can be tailored to the application, yet provide reusable, stylistically consistent UI functions. Widgets is a term widely used within web development but Mojo widgets are different than other widgets. Mojo widgets have a defined behavior but with many options; they generate complex HTML and are easily styled with CSS.

Please visit Safari Books Online to download this chapter.

Topics  O'Reilly

The early access program, one week in

21 BY Gray Norton

It has been a week since we announced our expansion of the early access program for the Palm Mojo SDK, so I wanted to give you a quick update and thank you for your interest!

We’ve been thrilled and, frankly, awed by your response. As you may have seen on Twitter, @palm_inc recently tweeted that we’d received about a gazillion applications for early access, and that’s not far from the truth.

We let our first batch of developers in late last week, and another batch early this week. These folks are getting started, and we’re taking their feedback and learning from their experiences as we work to get the SDK ready for the rest of the world.

We expect to accept additional developers into the program each week. The SDK is still in active development, so we’re starting slowly — we need to make sure that our tools and support systems are ready before we scale. But we are eager to get the SDK into everyone’s hands, as we know that third-party applications will play a huge role in the success of webOS and Pre.

For those of you who have already applied, we thank you for your patience as we come up to speed. As noted in the program FAQ, we can’t provide status updates on individual applications, but we’ll do our best to give frequent public updates on this blog. If you haven’t applied yet, it’s not too late — you can submit your application here.

Thanks again!

Gray Norton
Product Manager, Palm Mojo SDK

Introducing the Palm Mojo SDK early access program.

23 BY devrel

We are happy to announce our new early access program for developers interested in creating applications for the Palm webOSTM. The early access program is an opportunity for developers to test-drive and provide feedback on the Palm MojoTM SDK prior to its public release.

Admission to the program is by application – we’ll admit a small group of developers to start and gradually increase the size of the program as the tools mature. We’d like to let everyone in, but we want to make sure that we can provide a solid development experience and attentive developer support before we scale up. We are eager to get the SDK into developers’ hands and will expand the program as quickly as we can.

The program will continue until the SDK is officially released to the public, at which point any developer will be free to download the SDK. No, we’re not announcing the date that will happen yet.

If you wish to to apply to the early access program, complete and submit this application form. If you want to learn more about the program, we have a page of common questions and answers you can read.

If you’re admitted into the program, you’ll be able to download the Mojo SDK, which includes the tools you need to develop and test apps for the webOS platform. You’ll also have access to the early access program portal, where you’ll find documentation, sample code, and community forums where you can share experiences, tips and tricks with fellow early access developers. Because this is early access, all program participants will be required to accept an SDK Agreement which will require you to maintain confidentiality until the end of the early access program.

We are very excited about the expansion of access to the SDK, and can’t wait to see what you are going to build.

Chapter two of Developing Applications in JavaScript using the Palm Mojo™ Framework now available

3 BY devrel

The second chapter of the Rough Cuts version of Palm webOS: Developing Applications in JavaScript using the Palm Mojo™ Framework by Palm Software CTO Mitch Allen is now available from O’Reilly.

This chapter is titled “Application Basics” and shows the reader how to create their first application and discusses many of the underlying philosophies of programming in Mojo and webOS. This chapter includes the material on which Mitch’s recent O’Reilly webinar was based, but goes into more detail and shows more of the coding details of programming a webOS application.

If you’re new to JavaScript, HTML or CSS, you may want to familiarize yourself with their fundamentals before tackling the next few chapters. Even so, the material presented here is fairly basic and you don’t need to be a web development expert to build applications for webOS.

In this chapter, you’ll learn how to build a basic webOS application starting with the installation of the SDK. You’ll create a new application project, customize the critical application components and develop the first parts of the News application, which will be used throughout the book as our sample app. Along the way, we will go into detail on how to use the framework and apply the different APIs, widgets and styles.

This is only available from O’Reilly for those users who have purchased access to the title. Please visit  Safari Books Online to download this chapter.

Topics  O'Reilly

Developing Applications for WebOS slides

7 BY devrel

We had a few requests for the slides to the Developing Applications for WebOS webcast. I’ve uploaded them to Slideshare, and they’re now available for those that wanted them.

Now Available — Developing Applications for webOS webcast

22 BY devrel

I’m happy to announce that the Developing Applications for webOS webcast is now available from O’Reilly for online viewing.

You can view this either from O’Reilly’s webcast page or from their YouTube channel.

If you weren’t able to see the webcast list, now’s a great time to go and take a look.

If you have questions about developing on the Palm webOS that weren’t answered during the webinar, please leave a comment here and ask them. We might not be able to answer every question right away (for instance, we know you’re going to ask “When?” and “How much?” and we can’t answer those questions yet) — but we will answer as many as we can, and keep track of the rest and answer them later.

Also, we’d love to hear what you thought about the webinar. Please post a comment here telling us what you thought liked about it, and tell us how we could make it better next time. Your feedback will help make future events better!

The first round of answers to your webinar questions

0 BY devrel

A couple of days ago we asked for your feedback and questions on the Webinar, and we got a lot of both! Thank you all, and keep it coming!

Here’s the first set of answers to some of the questions that were asked. We’re still working on answering more of them, so stay tuned.

First, we had a lot of questions on the documentation, when it’ll be available, and what will be in it. The documentation will be available at the same time as the SDK. We decided to release the rough cuts chapter and hold the webinar to provide a preview to the sdk but there are no plans currently to release more information ahead of the sdk.

Q:  I was hoping to get clarification on a passage in the first chapter of the book about uninstalling applications,

This includes removing it from the launcher and any local application data, plus any data added to the Palm application databases such as Contacts or Calendar data.

A: Yes, that was unclear and we’re working on revising it. The current draft of the revision is:

The user can opt to remove an application and its data from the device. When the user attempts to delete an application, the system will stop the application if needed and remove its components from the device. This includes removing it from the launcher and any local application data, plus any data that the application might have created in the Palm application databases such as added Contacts or Calendar records.

Q: Will the (HTML/Javascript/noncompiledwhatever) source code for all client-side applications be available for any device owner to see?

A: Mitch discussd this during the Q&A of the webinar and we don’t have anything more to add at this time.

Q: It would be great if webOS had some sort of certificate check when trying to install app and warn the user if it is not certified but still leave it up to the user to install it. This way you would have a sort of disclaimer that proceeding with non-certified apps is at users’ risk but at the same time allow in-house and experimental/beta development, test and distribution
of the apps. This will also allow third parties to promote their apps directly.

A: Applications installed on a webOS device will be signed with a digital certificate that will identify it and its publisher. The details of this program are not final and we’ll go into more detail on the process at a later date.

Q: Should we have a business (with an ID number) for selling applications on your Applications Store? Or will be freelancing is enough? I need to know if I should open a business now?

A: We are not ready to disclose the business elements of the application catalog, and these may vary by geography and over time.

Q: The SDK (especially the emulator) will run on what OS? Mac? Windows? Linux?

A: The development environment will run on MacOS, Windows and Linux.

Q:  I love jQuery. Please let us know if it’ll work.

A:  jQuery should work fine. We’re still evaluating which libraries and framework will be formally tested with webOS, and once that’s final we’ll document that.

Q: What localization support is built into the OS? will there be built-in support for BiDi (RTL) languages such as Hebrew, Arabic ?

A: WebOS has internationalization and localization support but beyond that we are not yet announcing when specific languages or locales will be supported.

Thanks for helping make our Webinar a success!

35 BY devrel

We wanted to send a quick note out and thank everyone who registered for and attended today’s Webinar on Developing Applications for webOS. We are thrilled so many of you wanted to attend, and O’Reilly has told us we are the largest Webinar put on by them to date.

For those who couldn’t see the webinar live, it was recorded and we will post information about how to view it here on PDNBlog as soon as it’s ready.

If you have questions about developing on the Palm webOS that weren’t answered during the webinar, please leave a comment here and ask them. We might not be able to answer every question right away (for instance, we know you’re going to ask “When?” and “How much?” and we can’t answer those questions yet) — but we will answer as many as we can, and keep track of the rest and answer them later.

Also, we’d love to hear what you thought about the webinar. Please post a comment here telling us what you thought liked about it, and tell us how we could make it better next time. Your participation helped make this a great event, and your feedback will help make future events better!

Thanks!

The webOS Development Team

Topics  O'Reilly

O’Reilly and Palm webcast and Rough Cuts links now live

0 BY devrel

As we mentioned just a short time ago, O’Reilly and Palm are collaborating on a new book on developing Palm webOS applications with JavaScript.

We promised we’d tell you when some of the supporting resources around that announcement are now live.  So here you go.

  • Register to attend the webcast with Mitch Allen on February 25th, at 10 am PT.
  • Get access to the O’Reilly Rough Cut, so you can view the first chapter now, but also additional chapters as they come out.
Topics  O'Reilly Tagged , , |
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