Use of the j2-obfuscator: Install proguard4.2 to eclipse

Use of the j2-obfuscator: Install proguard4.2 to eclipse

Proguard4.2.zip download link

In the eclipse environment, package, right-click the project name, select j2_based, and then select create obfuscated package. A warning box is displayed. The above content is as follows:
Proguard is not correctly configured
Please configure proguard preferences
The following is a configure proguard button and an OK button.
Why? No obfuscators installed
Steps for installing the obfuscator proguard to eclipse:
1. Download The proguard4.2.zip package.
(The author uploads a copy of proguard4.2.zip to the csdn resource. You can check it out)
2. decompress the downloaded proguard4.2.zip file. In eclipse, perform the following operations: window-> preferences-> j2-> packaging-> obfuscation, and add the confusion package path in proguard root directory.
3. Package A j2_project: Right-click the project name, select j2_project, and then select create obfuscated package. The project is packaged in the deployed directory under the eclipse workbench and project directory.