{namespace apk_genrule}

/***/
{template .soyweb}
  {call buck.page}
    {param title: 'apk_genrule()' /}
    {param prettify: true /}
    {param content}

{call buck.rule}
{param overview}
An <code>apk_genrule()</code> rule is used to post-process an APK.  What
separates an apk_genrule from a genrule is apk_genrules are known by BUCK to
produce APKs, so commands like <code>buck install</code> or
<code>buck uninstall</code> still work.  Additionally,
<code>apk_genrule()</code> rules can be inputs to other
<code>apk_genrule()</code> rules.
{/param}

{param args}

{call buck.arg}
  {param name: 'name' /}
  {param desc}
  The name of the rule.
  {/param}
{/call}

{call buck.arg}
  {param name: 'apk' /}
  {param desc}
  The input <code>android_binary()</code> rule.  The path to the APK can be
  accessed with the <code>$APK</code> shell variable.
  {/param}
{/call}

{call buck.arg}
  {param name: 'srcs' /}
  {param desc}
  Same as <code>genrule()</code>.
  {/param}
{/call}

{call buck.arg}
  {param name: 'deps' /}
  {param desc}
  Same as <code>genrule()</code>.
  {/param}
{/call}

{call buck.arg}
  {param name: 'cmd' /}
  {param desc}
  Same as <code>genrule()</code>.
  {/param}
{/call}

{call buck.arg}
  {param name: 'out' /}
  {param desc}
  Same as <code>genrule()</code>.
  {/param}
{/call}

{call buck.visibility_arg /}

{/param} // close args

{param examples}
Here is an example of a couple <code>apk_genrule()</code> open up an APK, do
some super signing, and then zipalign that APK again.

{literal}<pre class="prettyprint lang-py">

# Building this rule will produce a file named messenger.apk.
android_binary(
  name = 'messenger',
  manifest = 'AndroidManifest.xml',
  target = 'Google Inc.:Google APIs:16',
  keystore = '//keystores:prod',
  package_type = 'release',
  proguard_config = 'proguard.cfg',
  deps = [
    ':res',
    ':src',
  ],
)

apk_genrule(
  name = 'messenger_super_sign_unalign',
  apk = ':messenger',
  deps = [
    '//java/com/facebook/sign:super_sign',
  ],
  cmd = '${//java/com/facebook/sign:super_sign} --input $APK'
      '--output $OUT',
  out = 'messenger_super_sign_unalign.apk',
)

apk_genrule(
  name = 'messenger_super_sign',
  apk = ':messenger_super_sign_unalign',
  deps = [],
  cmd = '$ANDROID_HOME/tools/zipalign -f 4 $APK $OUT',
  out = 'messenger_super_sign.apk',
)

</pre>{/literal}
{/param}

{/call} // close buck.rule

    {/param}
  {/call}
{/template}