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Commit d365063d authored by Roshan Pius's avatar Roshan Pius Committed by Gerrit Code Review
Browse files

Merge "nfc(api): Create privileged setReaderMode API" into main

parents 66be198b 5ed8f129

core/api/system-current.txt

+1 −0
Original line number Diff line number Diff line
@@ -10251,6 +10251,7 @@ package android.nfc { 
    method @RequiresPermission(android.Manifest.permission.NFC_SET_CONTROLLER_ALWAYS_ON) public void registerControllerAlwaysOnListener(@NonNull java.util.concurrent.Executor, @NonNull android.nfc.NfcAdapter.ControllerAlwaysOnListener);

    method @RequiresPermission(android.Manifest.permission.WRITE_SECURE_SETTINGS) public boolean removeNfcUnlockHandler(android.nfc.NfcAdapter.NfcUnlockHandler);

    method @RequiresPermission(android.Manifest.permission.NFC_SET_CONTROLLER_ALWAYS_ON) public boolean setControllerAlwaysOn(boolean);

    method @FlaggedApi("android.nfc.enable_nfc_mainline") @RequiresPermission(android.Manifest.permission.WRITE_SECURE_SETTINGS) public void setReaderMode(boolean);

    method @RequiresPermission(android.Manifest.permission.WRITE_SECURE_SETTINGS) public int setTagIntentAppPreferenceForUser(int, @NonNull String, boolean);

    method @RequiresPermission(android.Manifest.permission.NFC_SET_CONTROLLER_ALWAYS_ON) public void unregisterControllerAlwaysOnListener(@NonNull android.nfc.NfcAdapter.ControllerAlwaysOnListener);

    field public static final int TAG_INTENT_APP_PREF_RESULT_PACKAGE_NOT_FOUND = -1; // 0xffffffff

core/java/Android.bp

+9 −0
Original line number Diff line number Diff line
@@ -14,6 +14,15 @@ aidl_library { 
    hdrs: ["android/hardware/HardwareBuffer.aidl"],

}



// TODO (b/303286040): Remove this once |ENABLE_NFC_MAINLINE_FLAG| is rolled out

filegroup {

    name: "framework-core-nfc-infcadapter-sources",

    srcs: [

        "android/nfc/INfcAdapter.aidl",

    ],

    visibility: ["//frameworks/base/services/core"],

}



filegroup {

    name: "framework-core-sources",

    srcs: [

core/java/android/nfc/NfcAdapter.java

+36 −0
Original line number Diff line number Diff line
@@ -24,6 +24,7 @@ import android.annotation.Nullable; 
import android.annotation.RequiresPermission;

import android.annotation.SdkConstant;

import android.annotation.SdkConstant.SdkConstantType;

import android.annotation.SuppressLint;

import android.annotation.SystemApi;

import android.annotation.UserIdInt;

import android.app.Activity;
@@ -37,6 +38,7 @@ import android.nfc.tech.MifareClassic; 
import android.nfc.tech.Ndef;

import android.nfc.tech.NfcA;

import android.nfc.tech.NfcF;

import android.os.Binder;

import android.os.Build;

import android.os.Bundle;

import android.os.Handler;
@@ -1594,6 +1596,40 @@ public final class NfcAdapter { 
        mNfcActivityManager.disableReaderMode(activity);

    }



    // Flags arguments to NFC adapter to enable/disable NFC

    private static final int DISABLE_POLLING_FLAGS = 0x1000;

    private static final int ENABLE_POLLING_FLAGS = 0x0000;



    /**

     * Privileged API to enable disable reader polling.

     * Note: Use with caution! The app is responsible for ensuring that the polling state is

     * returned to normal.

     *

     * @see #enableReaderMode(Activity, ReaderCallback, int, Bundle)  for more detailed

     * documentation.

     *

     * @param enablePolling whether to enable or disable polling.

     * @hide

     */

    @SystemApi

    @RequiresPermission(android.Manifest.permission.WRITE_SECURE_SETTINGS)

    @FlaggedApi(Flags.FLAG_ENABLE_NFC_MAINLINE)

    @SuppressLint("VisiblySynchronized")

    public void setReaderMode(boolean enablePolling) {

        synchronized (NfcAdapter.class) {

            if (!sHasNfcFeature) {

                throw new UnsupportedOperationException();

            }

        }

        Binder token = new Binder();

        int flags = enablePolling ? ENABLE_POLLING_FLAGS : DISABLE_POLLING_FLAGS;

        try {

            NfcAdapter.sService.setReaderMode(token, null, flags, null);

        } catch (RemoteException e) {

            attemptDeadServiceRecovery(e);

        }

    }



    /**

     * Manually invoke Android Beam to share data.

     *

services/core/Android.bp

+2 −0
Original line number Diff line number Diff line
@@ -118,6 +118,7 @@ java_library_static { 
        ":display-device-config",

        ":display-layout-config",

        ":device-state-config",

        ":framework-core-nfc-infcadapter-sources",

        "java/com/android/server/EventLogTags.logtags",

        "java/com/android/server/am/EventLogTags.logtags",

        "java/com/android/server/wm/EventLogTags.logtags",
@@ -178,6 +179,7 @@ java_library_static { 
        "android.hardware.power.stats-V2-java",

        "android.hardware.power-V4-java",

        "android.hidl.manager-V1.2-java",

        "android.nfc.flags-aconfig-java",

        "cbor-java",

        "icu4j_calendar_astronomer",

        "android.security.aaid_aidl-java",

services/core/java/com/android/server/camera/CameraServiceProxy.java

+28 −7
Original line number Diff line number Diff line
@@ -53,6 +53,8 @@ import android.hardware.usb.UsbDevice; 
import android.hardware.usb.UsbManager;

import android.media.AudioManager;

import android.nfc.INfcAdapter;

import android.nfc.NfcAdapter;

import android.nfc.NfcManager;

import android.os.Binder;

import android.os.Handler;

import android.os.HandlerExecutor;
@@ -162,10 +164,6 @@ public class CameraServiceProxy extends SystemService 
     * SCALER_ROTATE_AND_CROP_NONE  -> Always return CaptureRequest.SCALER_ROTATE_AND_CROP_NONE

     */



    // Flags arguments to NFC adapter to enable/disable NFC

    public static final int DISABLE_POLLING_FLAGS = 0x1000;

    public static final int ENABLE_POLLING_FLAGS = 0x0000;



    // Handler message codes

    private static final int MSG_SWITCH_USER = 1;

    private static final int MSG_NOTIFY_DEVICE_STATE = 2;
@@ -215,7 +213,6 @@ public class CameraServiceProxy extends SystemService 
    private final List<CameraUsageEvent> mCameraUsageHistory = new ArrayList<>();



    private static final String NFC_NOTIFICATION_PROP = "ro.camera.notify_nfc";

    private static final String NFC_SERVICE_BINDER_NAME = "nfc";

    private static final IBinder nfcInterfaceToken = new Binder();



    private final boolean mNotifyNfc;
@@ -1255,8 +1252,13 @@ public class CameraServiceProxy extends SystemService 
        }

    }



    private void notifyNfcService(boolean enablePolling) {



    // TODO(b/303286040): Remove the raw INfcAdapter usage once |ENABLE_NFC_MAINLINE_FLAG| is

    // rolled out.

    private static final String NFC_SERVICE_BINDER_NAME = "nfc";

    // Flags arguments to NFC adapter to enable/disable NFC

    public static final int DISABLE_POLLING_FLAGS = 0x1000;

    public static final int ENABLE_POLLING_FLAGS = 0x0000;

    private void setNfcReaderModeUsingINfcAdapter(boolean enablePolling) {

        IBinder nfcServiceBinder = getBinderService(NFC_SERVICE_BINDER_NAME);

        if (nfcServiceBinder == null) {

            Slog.w(TAG, "Could not connect to NFC service to notify it of camera state");
@@ -1272,6 +1274,25 @@ public class CameraServiceProxy extends SystemService 
        }

    }



    private void notifyNfcService(boolean enablePolling) {

        if (android.nfc.Flags.enableNfcMainline()) {

            NfcManager nfcManager = mContext.getSystemService(NfcManager.class);

            if (nfcManager == null) {

                Slog.w(TAG, "Could not connect to NFC service to notify it of camera state");

                return;

            }

            NfcAdapter nfcAdapter = nfcManager.getDefaultAdapter();

            if (nfcAdapter == null) {

                Slog.w(TAG, "Could not connect to NFC service to notify it of camera state");

                return;

            }

            if (DEBUG) Slog.v(TAG, "Setting NFC reader mode. enablePolling: " + enablePolling);

            nfcAdapter.setReaderMode(enablePolling);

        } else {

            setNfcReaderModeUsingINfcAdapter(enablePolling);

        }

    }



    private static int[] toArray(Collection<Integer> c) {

        int len = c.size();

        int[] ret = new int[len];