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Commit 08b7d527 authored by Alisher Alikhodjaev's avatar Alisher Alikhodjaev
Browse files

Implement NfcServiceManager and NfcFrameworkInitializer 

Bug: 244264995
Test: read a tag, nfc on/off
Merged-In: Ie11e888cb852740d806d06c0c725bb2a4544e13c
Change-Id: Ie11e888cb852740d806d06c0c725bb2a4544e13c
parent e2f4f71c

boot/preloaded-classes

+2 −0
Original line number Diff line number Diff line
@@ -5416,6 +5416,8 @@ android.nfc.NfcAdapter$CreateNdefMessageCallback 
android.nfc.NfcAdapter

android.nfc.NfcControllerAlwaysOnListener

android.nfc.NfcManager

android.nfc.NfcServiceManager$ServiceRegisterer

android.nfc.NfcServiceManager

android.nfc.Tag$1

android.nfc.Tag

android.nfc.TechListParcel$1

core/api/module-lib-current.txt

+24 −0
Original line number Diff line number Diff line
@@ -297,6 +297,30 @@ package android.net.netstats { 


}



package android.nfc {



  public class NfcFrameworkInitializer {

    method public static void registerServiceWrappers();

    method public static void setNfcServiceManager(@NonNull android.nfc.NfcServiceManager);

  }



  public class NfcServiceManager {

    method @NonNull public android.nfc.NfcServiceManager.ServiceRegisterer getNfcManagerServiceRegisterer();

  }



  public static class NfcServiceManager.ServiceNotFoundException extends java.lang.Exception {

    ctor public NfcServiceManager.ServiceNotFoundException(@NonNull String);

  }



  public static final class NfcServiceManager.ServiceRegisterer {

    method @Nullable public android.os.IBinder get();

    method @NonNull public android.os.IBinder getOrThrow() throws android.nfc.NfcServiceManager.ServiceNotFoundException;

    method public void register(@NonNull android.os.IBinder);

    method @Nullable public android.os.IBinder tryGet();

  }



}



package android.os {



  public final class BatteryStatsManager {

core/java/android/app/ActivityThread.java

+3 −0
Original line number Diff line number Diff line
@@ -107,6 +107,8 @@ import android.net.ConnectivityManager; 
import android.net.Proxy;

import android.net.TrafficStats;

import android.net.Uri;

import android.nfc.NfcFrameworkInitializer;

import android.nfc.NfcServiceManager;

import android.os.AsyncTask;

import android.os.Binder;

import android.os.BluetoothServiceManager;
@@ -7886,6 +7888,7 @@ public final class ActivityThread extends ClientTransactionHandler 
        BluetoothFrameworkInitializer.setBluetoothServiceManager(new BluetoothServiceManager());

        BluetoothFrameworkInitializer.setBinderCallsStatsInitializer(context -> {

            BinderCallsStats.startForBluetooth(context); });

        NfcFrameworkInitializer.setNfcServiceManager(new NfcServiceManager());

    }



    private void purgePendingResources() {

core/java/android/app/SystemServiceRegistry.java

+2 −8
Original line number Diff line number Diff line
@@ -148,7 +148,7 @@ import android.net.vcn.IVcnManagementService; 
import android.net.vcn.VcnManager;

import android.net.wifi.WifiFrameworkInitializer;

import android.net.wifi.nl80211.WifiNl80211Manager;

import android.nfc.NfcManager;

import android.nfc.NfcFrameworkInitializer;

import android.ondevicepersonalization.OnDevicePersonalizationFrameworkInitializer;

import android.os.BatteryManager;

import android.os.BatteryStats;
@@ -457,13 +457,6 @@ public final class SystemServiceRegistry { 
                return new BatteryManager(ctx, stats, registrar);

            }});



        registerService(Context.NFC_SERVICE, NfcManager.class,

                new CachedServiceFetcher<NfcManager>() {

            @Override

            public NfcManager createService(ContextImpl ctx) {

                return new NfcManager(ctx);

            }});



        registerService(Context.DROPBOX_SERVICE, DropBoxManager.class,

                new CachedServiceFetcher<DropBoxManager>() {

            @Override
@@ -1514,6 +1507,7 @@ public final class SystemServiceRegistry { 
            JobSchedulerFrameworkInitializer.registerServiceWrappers();

            BlobStoreManagerFrameworkInitializer.initialize();

            BluetoothFrameworkInitializer.registerServiceWrappers();

            NfcFrameworkInitializer.registerServiceWrappers();

            TelephonyFrameworkInitializer.registerServiceWrappers();

            AppSearchManagerFrameworkInitializer.initialize();

            WifiFrameworkInitializer.registerServiceWrappers();

core/java/android/nfc/NfcAdapter.java

+14 −7
Original line number Diff line number Diff line
@@ -43,7 +43,6 @@ import android.os.Bundle; 
import android.os.Handler;

import android.os.IBinder;

import android.os.RemoteException;

import android.os.ServiceManager;

import android.util.Log;



import java.io.IOException;
@@ -426,6 +425,7 @@ public final class NfcAdapter { 
    // recovery

    @UnsupportedAppUsage

    static INfcAdapter sService;

    static NfcServiceManager.ServiceRegisterer sServiceRegisterer;

    static INfcTag sTagService;

    static INfcCardEmulation sCardEmulationService;

    static INfcFCardEmulation sNfcFCardEmulationService;
@@ -624,6 +624,12 @@ public final class NfcAdapter { 
                Log.v(TAG, "this device does not have NFC support");

                throw new UnsupportedOperationException();

            }

            NfcServiceManager manager = NfcFrameworkInitializer.getNfcServiceManager();

            if (manager == null) {

                Log.e(TAG, "NfcServiceManager is null");

                throw new UnsupportedOperationException();

            }

            sServiceRegisterer = manager.getNfcManagerServiceRegisterer();

            sService = getServiceInterface();

            if (sService == null) {

                Log.e(TAG, "could not retrieve NFC service");
@@ -665,7 +671,7 @@ public final class NfcAdapter { 
    /** get handle to NFC service interface */

    private static INfcAdapter getServiceInterface() {

        /* get a handle to NFC service */

        IBinder b = ServiceManager.getService("nfc");

        IBinder b = sServiceRegisterer.get();

        if (b == null) {

            return null;

        }
@@ -695,12 +701,13 @@ public final class NfcAdapter { 
                    "context not associated with any application (using a mock context?)");

        }



        if (getServiceInterface() == null) {

            // NFC is not available

            return null;

        if (sIsInitialized && sServiceRegisterer.tryGet() == null) {

            synchronized (NfcAdapter.class) {

                /* Stale sService pointer */

                if (sIsInitialized) sIsInitialized = false;

            }



        /* use getSystemService() for consistency */

        }

        /* Try to initialize the service */

        NfcManager manager = (NfcManager) context.getSystemService(Context.NFC_SERVICE);

        if (manager == null) {

            // NFC not available