Android ROM Development - System Level Shared Library Not Found

If system-level Android apps are failing because they can't find a "shared library":

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E/PackageManager( 118): Package com.example.foo requires unavailable shared library com.example.bar; failing!
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and you don't see that library mentioned earlier in the "Libs:" line as the system loads:

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I/PackageManager( 117): Libs: android.test.runner:/system/framework/android.test.runner.jar com.android.qualcomm.qcrilhook:/system/framework/qcrilhook.jar javax.obex:/system/framework/javax.obex.jar com.google.android.maps:/system/framework/com.google.android.maps.jar
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Make sure the jar file exists and add a reference to it by creating a file:

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/system/etc/permissions/example.xml
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with contents similar to this:

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<?xml version="1.0" encoding="utf-8"?>
<permissions>
<library name="com.example.bar"
file="/system/framework/example.jar"/>
</permissions>
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On reboot, your "Libs:" line should now include this library and your app should find it:

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I/PackageManager( 117): Libs: android.test.runner:/system/framework/android.test.runner.jar com.android.qualcomm.qcrilhook:/system/framework/qcrilhook.jar javax.obex:/system/framework/javax.obex.jar com.google.android.maps:/system/framework/com.google.android.maps.jar com.example.bar:/system/framework/example.jar
--------

Android reads through /system/etc/permissions/*.xml to build up the default library list.

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