Sarna - Evernote For Dummies

Evernote For Dummies, 2nd Edition

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Manufactured in the United States of America

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Appendix

More than 8,000 developers are working on apps and customizations for Evernote, and that number is growing by leaps and bounds. This chapter is geared to developers who want to build Evernote support into their own applications and to those who want to extend Evernotes capabilities.

Before starting to develop applications for Evernote, I suggest that you gain some experience using scripting, which is covered in Chapter . In this appendix, I assume that youre familiar with the information in that chapter.

The website for Evernote developers is http://dev.evernote.com . Evernotes application programming interface (API) lets your applications access the Evernote service by using the same protocols that are used under the covers by Evernotes own client software.

The most powerful way to integrate with Evernote is to develop based on directives sent to the Evernote web-service API. The API enables you to access a users account in the cloud, whether or not that user has an Evernote client installed on the machine (so long as he or she has an Evernote account and Internet connectivity). With the API, you can create, search, read, update, and delete notes, notebooks, and tags. This ability to access the users account on the web eliminates concerns about whether the local version of Evernote has been synchronized. Of course, anything not synced to the server from your client before invoking the script will not be seen by the server and is not reflected in the results when the script is executed.

Another way to develop an app that works with Evernote is to develop for one of Evernotes mobile client applications on a users desktop computer or mobile device. Use the following links to find out more about the platform that youre interested in developing for:

• Android: Android apps can work with the Evernote web-service API and with intents (see the next paragraph). See https://dev.evernote.com/doc/start/android.php .

  Three of the core components of an Android application activities, services, and broadcast receivers are activated through messages, called intents.

• iOS (iPhone, iPad, and iPod touch): The great popularity of iOS devices, the simplicity of development with Objective-C Cocoa, and the quality of Evernote support have made iOS the most popular development platform for Evernote. See http://dev.evernote.com/doc/start/ios.php .
• Mac: Evernote for Mac has great support for AppleScript, as discussed in Chapter .
• Windows: Applications integrate with Evernote for Windows by passing command-line options to the Evernote.exe and ENScript.exe executables. Interface notes are provided at http://dev.evernote.com/doc/articles/enscript.php .

Note: Evernote scripting isnt supported for the BlackBerry operating system at this time. Evernote has considered creating a JME code generator for Thrift to produce Java mobile stubs for the API that would work on BlackBerry and other JME-based devices.

Using dynamic interfaces

You can view the Evernote mobile-web application by using plain or dynamic interfaces. The plain interface targets a larger variety of mobile devices and has a simple and flat navigational design. The dynamic interface targets higher-end devices with browsers that support JavaScript and touch navigation. Evernote attempts to deduce which type of interface to use based on the incoming HTTP requests. A perfect match isnt guaranteed, however.

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Registering for an API key

To get the Evernote API and all the goodies it provides, you need to request a free API key. Follow these steps:

1. Navigate to http://dev.evernote.com/doc/articles/permissions.php .
2. Click Get an API Key.
3. Complete the online form (see Figure ).