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Commit 93e97f94 authored by Jeff Pu's avatar Jeff Pu
Browse files

Make virtual fingerprint Hal as a lazy Hal 

so that the Hal service can start dynamically as needed
by vts test and others

Bug: 262630839
Test: atest VtsHalBiometricsFingerprintTargetTest:IFingerprint/Fingerprint
Change-Id: I58dfa3b49bade3bbd89c3a8f6cd884c632e9eae4
parent 25014749

biometrics/fingerprint/aidl/default/fingerprint-example.rc

+3 −4
Original line number Diff line number Diff line
@@ -2,8 +2,7 @@ service vendor.fingerprint-example /vendor/bin/hw/android.hardware.biometrics.fi 
    class hal

    user nobody

    group nobody

    interface aidl android.hardware.biometrics.fingerprint.IFingerprint/virtual

    oneshot

    disabled

on property:ro.vendor.fingerprint_virtual_hal_start=true

    enable vendor.fingerprint-example

on property:persist.vendor.fingerprint.virtual.type=*

    enable vendor.fingerprint-example

biometrics/fingerprint/aidl/default/main.cpp

+2 −1
Original line number Diff line number Diff line
@@ -28,7 +28,8 @@ int main() { 
    std::shared_ptr<Fingerprint> hal = ndk::SharedRefBase::make<Fingerprint>();



    const std::string instance = std::string(Fingerprint::descriptor) + "/virtual";

    binder_status_t status = AServiceManager_addService(hal->asBinder().get(), instance.c_str());

    binder_status_t status =

            AServiceManager_registerLazyService(hal->asBinder().get(), instance.c_str());

    CHECK_EQ(status, STATUS_OK);



    ABinderProcess_joinThreadPool();