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<!DOCTYPE html><!-- This page is a placeholder for generated extensions api doc. Note:
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<h1>Packaging</h1>
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<!-- TABLE OF CONTENTS -->
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<ol>
<li jsinstance="0">
<a href="#H2-0">Creating a package</a>
<ol>
<li jsinstance="*0" style="display: none; ">
<a>h3Name</a>
</li>
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<a href="#update">Updating a package</a>
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<a href="#ruby">Ruby script</a>
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<a href="#event-anchor">eventName</a>
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<!-- STATIC CONTENT PLACEHOLDER -->
<div id="static"><div id="pageData-title" class="pageData">Packaging</div>
<div id="pageData-showTOC" class="pageData">true</div>
<p>
This page describes how to package your extension.
As the <a href="overview.html">Overview</a> explains,
extensions are packaged as signed ZIP files
with the file extension "crx" —
for example, <code>myextension.crx</code>.
</p>
<p>
When you package an extension,
the extension is assigned a unique key pair.
The public key is used as the identifier for the extension.
The private key is kept private
and used to sign each version of the extension.
</p>
<p class="comment">
[PENDING: Perhaps mention that once the gallery is up,
creating and updating a package will be much easier.
Also refer to instructions on submitting an extension
for inclusion in the gallery.]
</p>
<a name="H2-0"></a><h2>Creating a package</h2>
<p>To package an extension:</p>
<ol>
<li>
Bring up the Extensions management page
by going to this URL:
<blockquote>
<b>chrome://extensions</b>
</blockquote>
</li>
<li>
Click the <b>Pack extension</b> button.
A dialog appears.
</li>
<li>
In the <b>Extension root directory</b> field,
specify the path to the extension's folder —
for example, <code>c:\myext</code>.
(Ignore the other field;
you don't specify a private key file
the first time you package a particular extension.)
</li>
<li>
Click <b>OK</b>.
The packager creates two files:
a <code>.crx</code> file,
which is the actual extension that can be installed,
and a <code>.pem</code> file,
which contains the private key.
</li>
</ol>
<p>
<b>Do not lose the private key!</b>
Keep the <code>.pem</code> file secret and in a safe place.
You'll need it later if you want to do any of the following:
</p>
<ul>
<li><a href="#update">Update</a> the extension</li>
<li>Import the extension into the extensions gallery,
once the gallery becomes available</li>
</ul>
<p>
If the extension is successfully packaged, you'll see a dialog like this
that tells you where to find
the <code>.crx</code> and <code>.pem</code> files:</p>
<p></p>
<img src="images/package-success.gif" width="554" height="208">
<h2 id="update">Updating a package</h2>
<p>To create an updated version of your extension:</p>
<ol>
<li>
Increase the version number in <code>manifest.json</code>.
</li>
<li>
Bring up the Extensions management page
by going to this URL: <b>chrome://extensions</b>
</li>
<li>
Click the <b>Pack extension</b> button.
A dialog appears.
</li>
<li>
In the <b>Extension root directory</b> field,
specify the path to the extension's folder —
for example, <code>c:\myext</code>.
</li>
<li>
In the <b>Private key file</b> field,
specify the location of the
already generated <code>.pem</code> file for this extension —
for example, <code>c:\myext.pem</code>.
</li>
<li>
Click <b>OK</b>.
</li>
</ol>
<p>If the updated extension is successfully packaged, you'll see a dialog like this:</p>
<img src="images/update-success.gif" width="298" height="160">
<a name="H2-2"></a><h2>Packaging at the command line</h2>
<p>
Another way to package extensions
is by invoking <code>chrome.exe</code> at the command line.
Use the <code>--pack-extension</code> flag
to specify the location of the extension's folder.
Use <code>--pack-extension-key</code>
to specify the location of the extension's private key file.
For example:
</p>
<pre>chrome.exe --pack-extension=c:\myext --pack-extension-key=c:\myext.pem
</pre>
<p>
To suppress the dialog,
add <code>--no-message-box</code> to the command.
</p>
<h2 id="ruby">Ruby script</h2>
<p>
You can also use a Ruby script to create packages.
See the following thread for details:
</p>
<blockquote>
<a href="http://groups.google.com/group/chromium-extensions/browse_thread/thread/2e967e04d59fbacb">Chromium-extensions: extension packaging script</a>
</blockquote></div>
<!-- API PAGE -->
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<a name="apiReference"></a>
<h2>API reference: chrome.apiname </h2>
<!-- PROPERTIES -->
<div class="apiGroup">
<a name="properties"></a>
<h3 id="properties">Properties</h3>
<div>
<a></a>
<h4>getLastError</h4>
<div class="summary">
<!-- Note: intentionally longer 80 columns -->
<span>chrome.extension</span><span>lastError</span>
</div>
<div>
</div>
</div>
</div> <!-- /apiGroup -->
<!-- METHODS -->
<div class="apiGroup" id="methods">
<a name="methods"></a>
<h3>Methods</h3>
<!-- iterates over all functions -->
<div class="apiItem">
<a></a> <!-- method-anchor -->
<h4>method name</h4>
<div class="summary"><span>void</span>
<!-- Note: intentionally longer 80 columns -->
<span>chrome.module.methodName</span>(<span><span>, </span><span></span>
<var><span></span></var></span>)</div>
<div class="description">
<p class="todo">Undocumented.</p>
<p>
A description from the json schema def of the function goes here.
</p>
<!-- PARAMETERS -->
<h4>Parameters</h4>
<dl>
<div>
<div>
</div>
</div>
</dl>
<!-- RETURNS -->
<h4>Returns</h4>
<dl>
<div>
<div>
</div>
</div>
</dl>
<!-- CALLBACK -->
<div>
<div>
<h4>Callback function</h4>
<p>
If you specify the <em>callback</em> parameter,
it should specify a function that looks like this:
</p>
<!-- Note: intentionally longer 80 columns -->
<pre>function(<span>Type param1, Type param2</span>) <span class="subdued">{...}</span>);</pre>
<dl>
<div>
<div>
</div>
</div>
</dl>
</div>
</div>
</div> <!-- /description -->
</div> <!-- /apiItem -->
</div> <!-- /apiGroup -->
<!-- EVENTS -->
<div class="apiGroup">
<a name="events"></a>
<h3 id="events">Events</h3>
<!-- iterates over all events -->
<div class="apiItem">
<a></a>
<h4>event name</h4>
<div class="summary">
<!-- Note: intentionally longer 80 columns -->
<span class="subdued">chrome.bookmarks</span><span>onEvent</span><span class="subdued">.addListener</span>(function(<span>Type param1, Type param2</span>) <span class="subdued">{...}</span>);
</div>
<div class="description">
<p class="todo">Undocumented.</p>
<p>
A description from the json schema def of the event goes here.
</p>
<!-- PARAMETERS -->
<h4>Parameters</h4>
<dl>
<div>
<div>
</div>
</div>
</dl>
</div> <!-- /decription -->
</div> <!-- /apiItem -->
</div> <!-- /apiGroup -->
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<a name="types.sort(sortByName)"></a>
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<!-- iterates over all types -->
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<a></a>
<h4>type name</h4>
<div>
</div>
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Except as otherwise <a href="http://code.google.com/policies.html#restrictions">noted</a>,
the content of this page is licensed under the <a rel="license" href="http://creativecommons.org/licenses/by/3.0/">Creative Commons
Attribution 3.0 License</a>, and code samples are licensed under the
<a rel="license" href="http://code.google.com/google_bsd_license.html">BSD License</a>.
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<p>
©2009 Google
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