chrome/common/extensions/docs/templates/articles/app_manifestVersion.html

   1 <h1>Manifest Version</h1>
   2
   3 <p>
   4   Applications are simply bundles of resources, wrapped
   5   up with a <a href="manifest"><code>manifest.json</code></a> file that
   6   describes the package's contents. The format of this file is generally stable,
   7   but occasionally breaking changes must be made to address important issues.
   8   Developers should specify which version of the manifest specification their
   9   package targets by setting a <code>manifest_version</code> key in their
  10   manifests.
  11 </p>
  12
  13 <h2 id="current-version">Current Version</h2>
  14
  15 <p>
  16   Chrome App developers must currently specify
  17   <strong><code>'manifest_version': 2</code></strong>:
  18 </p>
  19
  20 <pre data-filename="manifest.json">
  21 {
  22   ...,
  23   "manifest_version": 2,
  24   ...
  25 }
  26 </pre>
  27
  28 <p>
  29   Manifest version 1 only applied to extensions and hosted apps, not
  30   Chrome Apps.  It
  31   was <a href="../extensions/manifestVersion">deprecated</a> in
  32   Chrome 18.
  33 </p>