System Architecture Articles
Android Wi-Fi Connection Management: From WifiManager to the Driver Layer
An end-to-end trace of Android Wi-Fi connection management, from WifiManager and WifiService state machines to wpa_supplicant, BSSID blacklists, nl80211, and layered debugging.
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Android Location Internals: LocationManager, Fused Provider, and GNSS HAL
A full-stack look at Android location, from LocationManager and the Fused Provider's Kalman filtering to GNSS HAL, NMEA parsing, AGPS, jump debugging, and power strategy.
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