APK Analyzer is one of the handiest features of Android Studio; as its name suggests, it allows us to analyze APK files themselves, even performing a certain amount of reverse engineering by extracting resources and XML and allowing us to compare different versions.
The APK Analyzer can also be found in the Build menu, under Analyze APK.... Every time we run a project on a device or emulator, a debug APK is generated. This can be found in your project directories under; \SomeProject\App\build\outputs\apk\debug.
The Analyzer displays its output, as follows:
The Analyzer's output contains a wealth of information, beginning with its size and its compressed Play store size. It is possible to see at a glance which resources take up the most room and rectify this where possible, for example by using vectors instead of bitmaps.
The classes.dex file...