The NFC Services module is an optional updatable Mainline module released in Android 16. This module contains the following components:
- NFC API classes:
framework-nfc.jar - NFC Java framework handling all the APIs:
NfcNci.apk - NCI JNI interface:
libnfc_nci_jni.so - NCI built-in stack interfacing with the NFC HAL:
libnfc_nci.so
Module boundary
Figure 1. NFC Mainline stack architecture.
The NFC Services Mainline APEX com.android.nfcservices contains the following:
- NFC API surface (Java)
- NFC system APK (Java)
- NFC built-in stack (C++)
The codebase is located at packages/modules/Nfc.
Package format
The main function of this module is included in the APEX package
com.android.nfcservices.
Dependencies
- HAL implementation dependency on the NFC chip vendor or OEM
- Secure element for all secure service interactions
- Core framework for NFC runtime permission enforcement