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Eclipse Java ME (J2ME) Developer Guide
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Packaging Options

There are two packaging options - Create Obfuscated Package and Create Package.

Create Package

When the Create Package action is run, it will deploy the JAD file and JAR file into the deployment directory specified in the Preferences. The deployed JAR file will contain the verified classes and resources.

Create Obfuscated Package

When the Create Obfuscated Package action is run, it will deploy the JAD file and JAR file into the deployment directory specified in the Preferences. The deployed JAR file will be obfuscated by the using the Proguard Java Tool as specified in the Preferences.

Obfuscated packages are useful in providing a small level of security for your deployed MIDlets. More importantly, obfuscation generally leads to smaller deployed JAR file sizes.

In order to produce obfuscated packages, the Proguard Java obfuscation tools must be installed and the root of the Proguard installation must be configured in the Obfuscation Preferences. Proguard is a free open-source library that is available for download from https://proguard.sourceforge.net/.

Errors and Warnings During Obfuscation

It is possible that there will be warnings or errors during the obfuscation process. When this occurs, a prompt will be opened to allow packaging to continue or be cancelled.

screenshot

If the warning or error can be safely ignored, you may select Continue and MTJ will attempt to continue creating the obfuscated package. Depending on the type and severity of the problems encountered the package may not be able to be created.


 
 
  Published under the terms of the Eclipse Public License Version 1.0 ("EPL") Design by Interspire