What is PRO? PRO, short name for Proguard, is used as the file extension for Android Proguard Configuration files. .PRO files are text files that are used to store Android Proguard Configuration settings. See the sample .PRO file included below.

File Extension: .PRO

MIME Type: text/plain

File Content: Android Proguard Configuration

.PRO files are Android Proguard Configuration files, that are used to store Android Proguard Configuration settings. Here is a sample .PRO Android Proguard Configuration file, proguard.pro:

#
# This ProGuard configuration file illustrates how to process ProGuard itself.
# Configuration files for typical applications will be very similar.
# Usage:
#     java -jar proguard.jar @proguard.pro
#

# Specify the input jars, output jars, and library jars.
# We'll filter out the Ant and WTK classes, keeping everything else.

-injars  ../lib/proguard.jar(!proguard/ant/**,!proguard/wtk/**)
-outjars proguard_out.jar

-libraryjars <java.home>/lib/rt.jar

# Write out an obfuscation mapping file, for de-obfuscating any stack traces
# later on, or for incremental obfuscation of extensions.

-printmapping proguard.map

# Allow methods with the same signature, except for the return type,
# to get the same obfuscation name.

-overloadaggressively
...

.PRO Android Proguard Configuration file sample: Click sample.pro to download.

Since .PRO files are in text format, you can use Notepad or any text editor to create or modify them. No special software is needed.

For for information on how to use .PRO Android Proguard Configuration files, see links below:

• Android ProGuard.