From Source Code to APK: A Manual Deep Dive into the Android Build Process
summary
Build steps get enumerated and executed manually: aapt2 resource compilation produces a flat binary, the linker combines that with the manifest to emit an unsigned APK and generates R.java, javac and kotlinc produce .class files, D8 creates dex files, zip packs classes into the APK, apksigner signs it and adb installs it. The Android Gradle plugin (AGP) orchestrates these tools but the same commands run from a shell and let one prove each step, inspect intermediates and avoid blind cache-wipes.
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chapters (6)
- 0:00Introduction
- 4:31Android build process
- 12:20Gradle plugin fundamentals
- 23:05Manual build demo
- 39:21APK creation and install
- 41:26Q&A on Gradle caching
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