Use build option isMinifyEnabled = true to minify the final APK.

Also add isShrinkResources = true to enable resource shrinking.

AGP will do :

• Code shrinking (or tree-shaking)
• Resource shrinking
• Optimization
• Obfuscation (or identifier minification)

See:

• https://developer.android.com/build/shrink-code
• 🎬 Boost Android app performance with the R8 optimizer