1. PRO-GUARD
Optimizer an obfuscator in the
Android SDK

2. Android Proguard
• ProGuard is a free Java class file shrinker,
optimizer, obfuscator, and preverifier.
• It detects and removes unused classes, fields,
methods, and attributes
• It optimizes bytecode and removes unused
instructions
• It renames the remaining classes, fields, and
methods

3. Why Proguard?
• Application size
• Performance
• Removes Logging, debugging, testing code
• Reverse engineering
• Protection

4. Why Proguard?

5. Shrinking
Also called treeshaking, minimizing, shrouding

6. How to enable Proguard?