apkdetails

Analyzes an APK and prints information helpful to a developer

• API levels as declared in the manifest.
• Number of permissions/activities/services/receivers. If -v is set, they will also be listed
• Information about the signing certificate. If the APK is signed it will also be validated.
• The largest files in the APK, along with the largest resources.
• Information about the DEX files, such as how many there are and the number of classes, methods and strings.
• List of the supported JNI architectures based on the contents of the lib directory.

It can also:

• Dump the manifest to console
• List all classes as list/tree graph/graphml

from The Android Arsenal