I’m trying to minimize my APK size. Do you recommend adding any specific lines of code in proguard-properties.txt so that it can remove unused classes, references, and other items?
No additional configuration is required to remove such unused code.
By default, ProGuard shrinks the code: it removes all unused classes and class members. It only keeps the ones listed by the various -keep options, and the ones on which they depend, directly or indirectly. It also applies a shrinking step after each optimization step, since some optimizations may open up the possibility to remove more classes and class members.
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