#Android studio 3.3 for android#
The major differences between R8 and Proguard seem to be related to R8 being a one-pass optimizer while Proguard can optimize code in more passes &endash 5 by default for Android builds. Proguard performs partial evaluations across the code base, which looks farther into the dynamic behavior of the code R8 converts code to an intermediate representation and performs a static single assignment (SSA) analysis, which is a standard approach to analyze method bodies. It is not clear whether R8 has evolved since GuardSquare report to overcome those limitation. In GuardSquare comparison, R8 provided limited support for reflection limited support for class name obfuscation in strings, resource files, and in resource file names non-standard inner class renaming. Proguard’s creator, GuardSquare, provided a comparison of the two products some time ago, based on the analysis of R8 source code and their own test suite. Google has not yet provided a lot of technical details regarding how R8 stacks up against Proguard in terms of features.
#Android studio 3.3 apk#
Still, R8 succeeds in shaving a few hundreds KB off the Santa Tracker app final APK that Google used for its benchmark. The advantage in terms of APK (or DEX) size is not as striking. According to Google benchmarks, using R8 reduces processing time dramatically, to almost the half it takes for Android current shrinker, Proguard. It will also minify all program names to obfuscate them and additionally make the executable even smaller.
R8 is able to optimize Java bytecode by making it smaller and more efficient as well as to remove all unused classes, fields, methods, and attributes. R8 will shrink, desugar, and convert an application to the DEX format in just one go. R8 promises to deliver smaller APK files in less time. Article originally posted on InfoQ. Visit InfoQįollowing the migration to D8 as its new Dalvik compiler, Google has been working on a new code shrinker, R8, which is now available in Android Studio 3.3 beta.
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