Merge "Refinement of AttributionSource handling." into sc-dev (054fd43e) · Commits · e / os / android_frameworks_base

core/java/android/app/ActivityThread.java

+7 −0

Original line number	Diff line number	Diff line
		@@ -52,6 +52,7 @@ import android.app.servertransaction.ResumeActivityItem;
		import android.app.servertransaction.TransactionExecutor;
		import android.app.servertransaction.TransactionExecutorHelper;
		import android.compat.annotation.UnsupportedAppUsage;
		import android.content.AttributionSource;
		import android.content.AutofillOptions;
		import android.content.BroadcastReceiver;
		import android.content.ComponentCallbacks2;
		@@ -2298,6 +2299,12 @@ public final class ActivityThread extends ClientTransactionHandler
		? am.getApplication().getOpPackageName() : null;
		}

		public static AttributionSource currentAttributionSource() {
		ActivityThread am = currentActivityThread();
		return (am != null && am.getApplication() != null)
		? am.getApplication().getAttributionSource() : null;
		}

		@UnsupportedAppUsage
		public static String currentPackageName() {
		ActivityThread am = currentActivityThread();

core/java/android/bluetooth/BluetoothAdapter.java

+49 −55

Original line number	Diff line number	Diff line
		@@ -53,7 +53,6 @@ import android.os.Binder;
		import android.os.Build;
		import android.os.IBinder;
		import android.os.ParcelUuid;
		import android.os.Process;
		import android.os.RemoteException;
		import android.os.ResultReceiver;
		import android.os.ServiceManager;
		@@ -75,6 +74,7 @@ import java.util.HashSet;
		import java.util.List;
		import java.util.Locale;
		import java.util.Map;
		import java.util.Objects;
		import java.util.Set;
		import java.util.UUID;
		import java.util.concurrent.Executor;
		@@ -713,7 +713,6 @@ public final class BluetoothAdapter {
		private final IBluetoothManager mManagerService;
		@UnsupportedAppUsage
		private IBluetooth mService;
		private Context mContext;
		private final ReentrantReadWriteLock mServiceLock = new ReentrantReadWriteLock();

		private final Object mLock = new Object();
		@@ -723,6 +722,8 @@ public final class BluetoothAdapter {
		private final Map<BluetoothConnectionCallback, Executor>
		mBluetoothConnectionCallbackExecutorMap = new HashMap<>();

		private AttributionSource mAttributionSource;

		/**
		* Bluetooth metadata listener. Overrides the default BluetoothMetadataListener
		* implementation.
		@@ -762,16 +763,21 @@ public final class BluetoothAdapter {
		@RequiresNoPermission
		public static synchronized BluetoothAdapter getDefaultAdapter() {
		if (sAdapter == null) {
		IBinder b = ServiceManager.getService(BLUETOOTH_MANAGER_SERVICE);
		if (b != null) {
		IBluetoothManager managerService = IBluetoothManager.Stub.asInterface(b);
		sAdapter = new BluetoothAdapter(managerService);
		sAdapter = createAdapter();
		}
		return sAdapter;
		}

		/** {@hide} */
		public static BluetoothAdapter createAdapter() {
		IBinder binder = ServiceManager.getService(BLUETOOTH_MANAGER_SERVICE);
		if (binder != null) {
		return new BluetoothAdapter(IBluetoothManager.Stub.asInterface(binder));
		} else {
		Log.e(TAG, "Bluetooth binder is null");
		return null;
		}
		}
		return sAdapter;
		}

		/**
		* Use {@link #getDefaultAdapter} to get the BluetoothAdapter instance.
		@@ -793,6 +799,15 @@ public final class BluetoothAdapter {
		mToken = new Binder();
		}

		void setAttributionSource(AttributionSource attributionSource) {
		mAttributionSource = attributionSource;
		}

		private AttributionSource resolveAttributionSource() {
		return (mAttributionSource != null) ? mAttributionSource
		: ActivityThread.currentAttributionSource();
		}

		/**
		* Get a {@link BluetoothDevice} object for the given Bluetooth hardware
		* address.
		@@ -807,7 +822,9 @@ public final class BluetoothAdapter {
		*/
		@RequiresNoPermission
		public BluetoothDevice getRemoteDevice(String address) {
		return new BluetoothDevice(address, getAttributionSource());
		final BluetoothDevice res = new BluetoothDevice(address);
		res.setAttributionSource(mAttributionSource);
		return res;
		}

		/**
		@@ -826,9 +843,11 @@ public final class BluetoothAdapter {
		if (address == null \|\| address.length != 6) {
		throw new IllegalArgumentException("Bluetooth address must have 6 bytes");
		}
		return new BluetoothDevice(
		final BluetoothDevice res = new BluetoothDevice(
		String.format(Locale.US, "%02X:%02X:%02X:%02X:%02X:%02X", address[0], address[1],
		address[2], address[3], address[4], address[5]), getAttributionSource());
		address[2], address[3], address[4], address[5]));
		res.setAttributionSource(mAttributionSource);
		return res;
		}

		/**
		@@ -891,7 +910,7 @@ public final class BluetoothAdapter {
		synchronized (mLock) {
		if (sBluetoothLeScanner == null) {
		sBluetoothLeScanner =
		new BluetoothLeScanner(mManagerService, getAttributionSource());
		new BluetoothLeScanner(mManagerService, resolveAttributionSource());
		}
		}
		return sBluetoothLeScanner;
		@@ -1330,7 +1349,7 @@ public final class BluetoothAdapter {
		try {
		mServiceLock.readLock().lock();
		if (mService != null) {
		return mService.getUuids(getAttributionSource());
		return mService.getUuids(resolveAttributionSource());
		}
		} catch (RemoteException e) {
		Log.e(TAG, "", e);
		@@ -1364,7 +1383,7 @@ public final class BluetoothAdapter {
		try {
		mServiceLock.readLock().lock();
		if (mService != null) {
		return mService.setName(name, getAttributionSource());
		return mService.setName(name, resolveAttributionSource());
		}
		} catch (RemoteException e) {
		Log.e(TAG, "", e);
		@@ -1392,7 +1411,7 @@ public final class BluetoothAdapter {
		try {
		mServiceLock.readLock().lock();
		if (mService != null) {
		return mService.getBluetoothClass(getAttributionSource());
		return mService.getBluetoothClass(resolveAttributionSource());
		}
		} catch (RemoteException e) {
		Log.e(TAG, "", e);
		@@ -1448,7 +1467,7 @@ public final class BluetoothAdapter {
		if (getState() != STATE_ON) return BluetoothAdapter.IO_CAPABILITY_UNKNOWN;
		try {
		mServiceLock.readLock().lock();
		if (mService != null) return mService.getIoCapability(getAttributionSource());
		if (mService != null) return mService.getIoCapability(resolveAttributionSource());
		} catch (RemoteException e) {
		Log.e(TAG, e.getMessage(), e);
		} finally {
		@@ -1501,7 +1520,7 @@ public final class BluetoothAdapter {
		if (getState() != STATE_ON) return BluetoothAdapter.IO_CAPABILITY_UNKNOWN;
		try {
		mServiceLock.readLock().lock();
		if (mService != null) return mService.getLeIoCapability(getAttributionSource());
		if (mService != null) return mService.getLeIoCapability(resolveAttributionSource());
		} catch (RemoteException e) {
		Log.e(TAG, e.getMessage(), e);
		} finally {
		@@ -1563,7 +1582,7 @@ public final class BluetoothAdapter {
		try {
		mServiceLock.readLock().lock();
		if (mService != null) {
		return mService.getScanMode(getAttributionSource());
		return mService.getScanMode(resolveAttributionSource());
		}
		} catch (RemoteException e) {
		Log.e(TAG, "", e);
		@@ -1612,7 +1631,7 @@ public final class BluetoothAdapter {
		mServiceLock.readLock().lock();
		if (mService != null) {
		int durationSeconds = Math.toIntExact(durationMillis / 1000);
		return mService.setScanMode(mode, durationSeconds, getAttributionSource());
		return mService.setScanMode(mode, durationSeconds, resolveAttributionSource());
		}
		} catch (RemoteException e) {
		Log.e(TAG, "", e);
		@@ -1662,7 +1681,7 @@ public final class BluetoothAdapter {
		try {
		mServiceLock.readLock().lock();
		if (mService != null) {
		return mService.setScanMode(mode, getDiscoverableTimeout(), getAttributionSource());
		return mService.setScanMode(mode, getDiscoverableTimeout(), resolveAttributionSource());
		}
		} catch (RemoteException e) {
		Log.e(TAG, "", e);
		@@ -1683,7 +1702,7 @@ public final class BluetoothAdapter {
		try {
		mServiceLock.readLock().lock();
		if (mService != null) {
		return mService.getDiscoverableTimeout(getAttributionSource());
		return mService.getDiscoverableTimeout(resolveAttributionSource());
		}
		} catch (RemoteException e) {
		Log.e(TAG, "", e);
		@@ -1704,7 +1723,7 @@ public final class BluetoothAdapter {
		try {
		mServiceLock.readLock().lock();
		if (mService != null) {
		mService.setDiscoverableTimeout(timeout, getAttributionSource());
		mService.setDiscoverableTimeout(timeout, resolveAttributionSource());
		}
		} catch (RemoteException e) {
		Log.e(TAG, "", e);
		@@ -1737,31 +1756,6 @@ public final class BluetoothAdapter {
		return -1;
		}

		/**
		* Set the context for this BluetoothAdapter (only called from BluetoothManager)
		* @hide
		*/
		@RequiresNoPermission
		public void setContext(Context context) {
		mContext = context;
		}

		String getOpPackageName() {
		// Workaround for legacy API for getting a BluetoothAdapter not
		// passing a context
		if (mContext != null) {
		return mContext.getOpPackageName();
		}
		return ActivityThread.currentOpPackageName();
		}

		AttributionSource getAttributionSource() {
		if (mContext != null) {
		return mContext.getAttributionSource();
		}
		return new AttributionSource(Process.myUid(), ActivityThread.currentOpPackageName(), null);
		}

		/**
		* Start the remote device discovery process.
		* <p>The discovery process usually involves an inquiry scan of about 12
		@@ -1802,7 +1796,7 @@ public final class BluetoothAdapter {
		try {
		mServiceLock.readLock().lock();
		if (mService != null) {
		return mService.startDiscovery(getAttributionSource());
		return mService.startDiscovery(resolveAttributionSource());
		}
		} catch (RemoteException e) {
		Log.e(TAG, "", e);
		@@ -1838,7 +1832,7 @@ public final class BluetoothAdapter {
		try {
		mServiceLock.readLock().lock();
		if (mService != null) {
		return mService.cancelDiscovery(getAttributionSource());
		return mService.cancelDiscovery(resolveAttributionSource());
		}
		} catch (RemoteException e) {
		Log.e(TAG, "", e);
		@@ -1876,7 +1870,7 @@ public final class BluetoothAdapter {
		try {
		mServiceLock.readLock().lock();
		if (mService != null) {
		return mService.isDiscovering(getAttributionSource());
		return mService.isDiscovering(resolveAttributionSource());
		}
		} catch (RemoteException e) {
		Log.e(TAG, "", e);
		@@ -2313,7 +2307,7 @@ public final class BluetoothAdapter {
		try {
		mServiceLock.readLock().lock();
		if (mService != null) {
		return mService.getMaxConnectedAudioDevices(getAttributionSource());
		return mService.getMaxConnectedAudioDevices(resolveAttributionSource());
		}
		} catch (RemoteException e) {
		Log.e(TAG, "failed to get getMaxConnectedAudioDevices, error: ", e);
		@@ -2425,7 +2419,7 @@ public final class BluetoothAdapter {
		try {
		mServiceLock.readLock().lock();
		if (mService != null) {
		return mService.getMostRecentlyConnectedDevices(getAttributionSource());
		return mService.getMostRecentlyConnectedDevices(resolveAttributionSource());
		}
		} catch (RemoteException e) {
		Log.e(TAG, "", e);
		@@ -2455,7 +2449,7 @@ public final class BluetoothAdapter {
		try {
		mServiceLock.readLock().lock();
		if (mService != null) {
		return toDeviceSet(mService.getBondedDevices(getAttributionSource()));
		return toDeviceSet(mService.getBondedDevices(resolveAttributionSource()));
		}
		return toDeviceSet(new BluetoothDevice[0]);
		} catch (RemoteException e) {
		@@ -3270,7 +3264,7 @@ public final class BluetoothAdapter {

		/**
		* Provides callback methods for receiving {@link OobData} from the host stack, as well as an
		* error interface in order to allow the caller to determine next steps based on the {@link
		* error interface in order to allow the caller to determine next steps based on the {@code
		* ErrorCode}.
		*
		* @hide

core/java/android/bluetooth/BluetoothDevice.java

+35 −32

Original line number	Diff line number	Diff line
		@@ -24,6 +24,7 @@ import android.annotation.SdkConstant;
		import android.annotation.SdkConstant.SdkConstantType;
		import android.annotation.SuppressLint;
		import android.annotation.SystemApi;
		import android.app.ActivityThread;
		import android.app.PropertyInvalidatedCache;
		import android.bluetooth.annotations.RequiresBluetoothConnectPermission;
		import android.bluetooth.annotations.RequiresBluetoothLocationPermission;
		@@ -1102,11 +1103,11 @@ public final class BluetoothDevice implements Parcelable {
		*/
		private static volatile IBluetooth sService;

		private final AttributionSource mAttributionSource;

		private final String mAddress;
		@AddressType private final int mAddressType;

		private AttributionSource mAttributionSource;

		/package/
		@UnsupportedAppUsage
		static IBluetooth getService() {
		@@ -1157,7 +1158,8 @@ public final class BluetoothDevice implements Parcelable {
		* @throws IllegalArgumentException address is invalid
		* @hide
		*/
		public BluetoothDevice(String address, AttributionSource attributionSource) {
		@UnsupportedAppUsage
		/package/ BluetoothDevice(String address) {
		getService(); // ensures sService is initialized
		if (!BluetoothAdapter.checkBluetoothAddress(address)) {
		throw new IllegalArgumentException(address + " is not a valid Bluetooth address");
		@@ -1165,12 +1167,15 @@ public final class BluetoothDevice implements Parcelable {

		mAddress = address;
		mAddressType = ADDRESS_TYPE_PUBLIC;
		}

		void setAttributionSource(AttributionSource attributionSource) {
		mAttributionSource = attributionSource;
		}

		@UnsupportedAppUsage
		/package/ BluetoothDevice(String address) {
		this(address, BluetoothAdapter.getDefaultAdapter().getAttributionSource());
		private AttributionSource resolveAttributionSource() {
		return (mAttributionSource != null) ? mAttributionSource
		: ActivityThread.currentAttributionSource();
		}

		@Override
		@@ -1208,8 +1213,7 @@ public final class BluetoothDevice implements Parcelable {
		public static final @android.annotation.NonNull Parcelable.Creator<BluetoothDevice> CREATOR =
		new Parcelable.Creator<BluetoothDevice>() {
		public BluetoothDevice createFromParcel(Parcel in) {
		return new BluetoothDevice(
		in.readString(), in.readParcelable(getClass().getClassLoader()));
		return new BluetoothDevice(in.readString());
		}

		public BluetoothDevice[] newArray(int size) {
		@@ -1220,7 +1224,6 @@ public final class BluetoothDevice implements Parcelable {
		@Override
		public void writeToParcel(Parcel out, int flags) {
		out.writeString(mAddress);
		out.writeParcelable(mAttributionSource, 0);
		}

		/**
		@@ -1265,7 +1268,7 @@ public final class BluetoothDevice implements Parcelable {
		return null;
		}
		try {
		String name = service.getRemoteName(this, mAttributionSource);
		String name = service.getRemoteName(this, resolveAttributionSource());
		if (name != null) {
		// remove whitespace characters from the name
		return name
		@@ -1296,7 +1299,7 @@ public final class BluetoothDevice implements Parcelable {
		return DEVICE_TYPE_UNKNOWN;
		}
		try {
		return service.getRemoteType(this, mAttributionSource);
		return service.getRemoteType(this, resolveAttributionSource());
		} catch (RemoteException e) {
		Log.e(TAG, "", e);
		}
		@@ -1320,7 +1323,7 @@ public final class BluetoothDevice implements Parcelable {
		return null;
		}
		try {
		String alias = service.getRemoteAliasWithAttribution(this, mAttributionSource);
		String alias = service.getRemoteAliasWithAttribution(this, resolveAttributionSource());
		if (alias == null) {
		return getName();
		}
		@@ -1361,9 +1364,9 @@ public final class BluetoothDevice implements Parcelable {
		return false;
		}
		try {
		BluetoothAdapter adapter = BluetoothAdapter.getDefaultAdapter();
		return service.setRemoteAlias(
		this, alias, adapter.getOpPackageName(), mAttributionSource);
		return service.setRemoteAlias(this, alias,
		resolveAttributionSource().getPackageName(),
		resolveAttributionSource());
		} catch (RemoteException e) {
		Log.e(TAG, "", e);
		}
		@@ -1389,7 +1392,7 @@ public final class BluetoothDevice implements Parcelable {
		return BATTERY_LEVEL_BLUETOOTH_OFF;
		}
		try {
		return service.getBatteryLevel(this, mAttributionSource);
		return service.getBatteryLevel(this, resolveAttributionSource());
		} catch (RemoteException e) {
		Log.e(TAG, "", e);
		}
		@@ -1480,7 +1483,7 @@ public final class BluetoothDevice implements Parcelable {
		}
		try {
		return service.createBond(
		this, transport, remoteP192Data, remoteP256Data, mAttributionSource);
		this, transport, remoteP192Data, remoteP256Data, resolveAttributionSource());
		} catch (RemoteException e) {
		Log.e(TAG, "", e);
		}
		@@ -1505,7 +1508,7 @@ public final class BluetoothDevice implements Parcelable {
		return false;
		}
		try {
		return service.isBondingInitiatedLocally(this, mAttributionSource);
		return service.isBondingInitiatedLocally(this, resolveAttributionSource());
		} catch (RemoteException e) {
		Log.e(TAG, "", e);
		}
		@@ -1530,7 +1533,7 @@ public final class BluetoothDevice implements Parcelable {
		Log.i(TAG, "cancelBondProcess() for device " + getAddress()
		+ " called by pid: " + Process.myPid()
		+ " tid: " + Process.myTid());
		return service.cancelBondProcess(this, mAttributionSource);
		return service.cancelBondProcess(this, resolveAttributionSource());
		} catch (RemoteException e) {
		Log.e(TAG, "", e);
		}
		@@ -1558,7 +1561,7 @@ public final class BluetoothDevice implements Parcelable {
		Log.i(TAG, "removeBond() for device " + getAddress()
		+ " called by pid: " + Process.myPid()
		+ " tid: " + Process.myTid());
		return service.removeBond(this, mAttributionSource);
		return service.removeBond(this, resolveAttributionSource());
		} catch (RemoteException e) {
		Log.e(TAG, "", e);
		}
		@@ -1574,7 +1577,7 @@ public final class BluetoothDevice implements Parcelable {
		@SuppressLint("AndroidFrameworkRequiresPermission")
		protected Integer recompute(BluetoothDevice query) {
		try {
		return sService.getBondState(query, mAttributionSource);
		return sService.getBondState(query, resolveAttributionSource());
		} catch (RemoteException e) {
		throw e.rethrowAsRuntimeException();
		}
		@@ -1664,7 +1667,7 @@ public final class BluetoothDevice implements Parcelable {
		return false;
		}
		try {
		return service.getConnectionStateWithAttribution(this, mAttributionSource)
		return service.getConnectionStateWithAttribution(this, resolveAttributionSource())
		!= CONNECTION_STATE_DISCONNECTED;
		} catch (RemoteException e) {
		Log.e(TAG, "", e);
		@@ -1690,7 +1693,7 @@ public final class BluetoothDevice implements Parcelable {
		return false;
		}
		try {
		return service.getConnectionStateWithAttribution(this, mAttributionSource)
		return service.getConnectionStateWithAttribution(this, resolveAttributionSource())
		> CONNECTION_STATE_CONNECTED;
		} catch (RemoteException e) {
		Log.e(TAG, "", e);
		@@ -1713,7 +1716,7 @@ public final class BluetoothDevice implements Parcelable {
		return null;
		}
		try {
		int classInt = service.getRemoteClass(this, mAttributionSource);
		int classInt = service.getRemoteClass(this, resolveAttributionSource());
		if (classInt == BluetoothClass.ERROR) return null;
		return new BluetoothClass(classInt);
		} catch (RemoteException e) {
		@@ -1742,7 +1745,7 @@ public final class BluetoothDevice implements Parcelable {
		return null;
		}
		try {
		return service.getRemoteUuids(this, mAttributionSource);
		return service.getRemoteUuids(this, resolveAttributionSource());
		} catch (RemoteException e) {
		Log.e(TAG, "", e);
		}
		@@ -1772,7 +1775,7 @@ public final class BluetoothDevice implements Parcelable {
		return false;
		}
		try {
		return service.fetchRemoteUuidsWithAttribution(this, mAttributionSource);
		return service.fetchRemoteUuidsWithAttribution(this, resolveAttributionSource());
		} catch (RemoteException e) {
		Log.e(TAG, "", e);
		}
		@@ -1809,7 +1812,7 @@ public final class BluetoothDevice implements Parcelable {
		return false;
		}
		try {
		return service.sdpSearch(this, uuid, mAttributionSource);
		return service.sdpSearch(this, uuid, resolveAttributionSource());
		} catch (RemoteException e) {
		Log.e(TAG, "", e);
		}
		@@ -1831,7 +1834,7 @@ public final class BluetoothDevice implements Parcelable {
		return false;
		}
		try {
		return service.setPin(this, true, pin.length, pin, mAttributionSource);
		return service.setPin(this, true, pin.length, pin, resolveAttributionSource());
		} catch (RemoteException e) {
		Log.e(TAG, "", e);
		}
		@@ -1894,7 +1897,7 @@ public final class BluetoothDevice implements Parcelable {
		return false;
		}
		try {
		return service.cancelBondProcess(this, mAttributionSource);
		return service.cancelBondProcess(this, resolveAttributionSource());
		} catch (RemoteException e) {
		Log.e(TAG, "", e);
		}
		@@ -1927,7 +1930,7 @@ public final class BluetoothDevice implements Parcelable {
		return ACCESS_UNKNOWN;
		}
		try {
		return service.getPhonebookAccessPermission(this, mAttributionSource);
		return service.getPhonebookAccessPermission(this, resolveAttributionSource());
		} catch (RemoteException e) {
		Log.e(TAG, "", e);
		}
		@@ -2033,7 +2036,7 @@ public final class BluetoothDevice implements Parcelable {
		return ACCESS_UNKNOWN;
		}
		try {
		return service.getMessageAccessPermission(this, mAttributionSource);
		return service.getMessageAccessPermission(this, resolveAttributionSource());
		} catch (RemoteException e) {
		Log.e(TAG, "", e);
		}
		@@ -2084,7 +2087,7 @@ public final class BluetoothDevice implements Parcelable {
		return ACCESS_UNKNOWN;
		}
		try {
		return service.getSimAccessPermission(this, mAttributionSource);
		return service.getSimAccessPermission(this, resolveAttributionSource());
		} catch (RemoteException e) {
		Log.e(TAG, "", e);
		}

core/java/android/bluetooth/BluetoothManager.java

+3 −25

Original line number	Diff line number	Diff line
		@@ -16,19 +16,15 @@

		package android.bluetooth;

		import android.Manifest;
		import android.annotation.RequiresFeature;
		import android.annotation.RequiresNoPermission;
		import android.annotation.RequiresPermission;
		import android.annotation.SuppressLint;
		import android.annotation.SystemService;
		import android.bluetooth.annotations.RequiresBluetoothConnectPermission;
		import android.bluetooth.annotations.RequiresLegacyBluetoothPermission;
		import android.content.Context;
		import android.content.pm.PackageManager;
		import android.os.IBinder;
		import android.os.RemoteException;
		import android.os.ServiceManager;
		import android.util.Log;

		import java.util.ArrayList;
		@@ -66,27 +62,9 @@ public final class BluetoothManager {
		* @hide
		*/
		public BluetoothManager(Context context) {
		if (context.getAttributionTag() == null) {
		context = context.getApplicationContext();
		if (context == null) {
		throw new IllegalArgumentException(
		"context not associated with any application (using a mock context?)");
		}

		mAdapter = BluetoothAdapter.getDefaultAdapter();
		} else {
		IBinder b = ServiceManager.getService(BluetoothAdapter.BLUETOOTH_MANAGER_SERVICE);
		if (b != null) {
		mAdapter = new BluetoothAdapter(IBluetoothManager.Stub.asInterface(b));
		} else {
		Log.e(TAG, "Bluetooth binder is null");
		mAdapter = null;
		}
		}

		// Context is not initialized in constructor
		if (mAdapter != null) {
		mAdapter.setContext(context);
		mAdapter = BluetoothAdapter.createAdapter();
		if (context != null) {
		mAdapter.setAttributionSource(context.getAttributionSource());
		}
		}