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am 7c1a2dfa: am 17ae6465: Merge "Doc change: Fix description of certificate matching requirement for app updates." into froyo

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Merge commit '7c1a2dfa8930fd12bb8791fc02bace751917bdee' into gingerbread-plus-aosp

* commit '7c1a2dfa8930fd12bb8791fc02bace751917bdee':
  Doc change: Fix description of certificate matching requirement for app updates.
This commit is contained in:
Dirk Dougherty
2010-06-22 11:25:59 -07:00
committed by Android Git Automerger
parent 57b5326561 7c1a2dfa89
commit ca36e9eebe
1 changed files with 9 additions and 8 deletions
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17
docs/html/guide/publishing/app-signing.jd
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@@ -123,14 +123,15 @@ all of your applications with the same certificate, throughout the expected
lifespan of your applications. There are several reasons why you should do so: </p>
<ul>
<li>Application upgrade &ndash; As you release upgrades to your
application, you will want to sign the upgrades with the same certificate, if you
want users to upgrade seamlessly to the new version. When the system is
installing an update to an application, if any of the certificates in the
new version match any of the certificates in the old version, then the
system allows the update. If you sign the version without using a matching
certificate, you will also need to assign a different package name to the
application &mdash; in this case, the user installs the new version as a
<li>Application upgrade &ndash; As you release updates to your application, you
will want to continue to sign the updates with the same certificate or set of
certificates, if you want users to upgrade seamlessly to the new version. When
the system is installing an update to an application, it compares the
certificate(s) in the new version with those in the existing version. If the
certificates match exactly, including both the certificate data and order, then
the system allows the update. If you sign the new version without using matching
certificates, you will also need to assign a different package name to the
application &mdash; in this case, the user installs the new version as a
completely new application. </li>
<li>Application modularity &ndash; The Android system allows applications that