How can I prevent JD-GUI and JD-Eclipse from viewing their own code?

I found a jd-gui decompilation tool in my Android learning process. The developer has a way to prevent jd-gui from checking your code! I found a jd-gui decompilation tool in my Android learning process. The developer has a way to prevent jd-gui from checking your code!

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I found a jd-gui decompilation tool in my Android learning process. The developer has a way to prevent jd-gui from checking your code!

Java code obfuscation

UseProguardTo confuse the code.

AndroidStuidoA project is automatically created when it is generated.ProguardYou only need to customize the configuration file.

Http://developer.android.com/guide/developing/tools/proguard.html

When using jd-gui to view class files, some methods or classes are often found and cannot be displayed normally.

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We can use this bug to prevent jd-gui from decompiling our class files.
Http://blog.segmentfault.com/aijiami/1190000000635798
App security detection platform (http://safe.ijiami.cn ).