Discover embeded Linux with Android
summary
Shows how to take a Linux character device (example: dev.con device that uppercases letters), add a kernel module or built‑in driver, write a C HAL under hardware/<yourname>, expose JNI wrappers, implement an AIDL binder service and register it in SystemServer, add a framework manager and SDK entry so apps call Context.getSystemService. Demonstrates testing via adb shell and dalvik vm, warns about GPLv2 kernel modules and that deployment usually requires rebuilding and flashing a custom ROM. Sample code lives on GitHub.
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chapters (18)
- 0:00Embedded Linux and Android intro
- 2:25Android on embedded Linux
- 4:16Customize Android for hardware
- 5:59Kernel module testing
- 7:23Android stack and drivers
- 11:17App using the driver
- 12:24Hardware Abstraction Layer
- 15:42JNI layer Java-to-C
- 17:52System server for hardware
- 20:42Binder IPC communication
- 22:49Register system services
- 24:58Client framework integration
- 26:24SDK update for hardware
- 27:50Apps with new hardware
- 28:54Full stack walkthrough
- 30:18Android fragmentation
- 31:23References
- 32:32Q&A
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