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My Android app build process takes 3+ minutes with ProGuard enabled. What are some basic things I can do to speed this up?
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R8 is having a faster processing time than Proguard which reduces build time. R8 gives better output results than Proguard. R8 reduces the app size by 10 % whereas Proguard reduces app size by 8.5 %. The android app having a Gradle plugin above 3.4.
It is quite easy to reverse engineer Android applications, so if you want to prevent this from happening, yes, you should use ProGuard for its main function: obfuscation. ProGuard has also two other important functions: shrinking which eliminates unused code and is obviously highly useful and also optimization.
In the release block on the example, minifyEnabled refers to the automatic removal of unused resources in the packaged app. If true, Gradle also removes resources from dependent libraries if they are not needed. This only works if the shrinkResources property is also set to true.
The ProGuard tool shrinks, optimizes, and obfuscates your code by removing unused code and renaming classes, fields, and methods with semantically obscure names. The result is a smaller sized . apk file that is more difficult to reverse engineer.
Use proguard when you want to release your App. Do the test builds without Proguard.
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