Onfound onlost feature. (e593d0ae) · Commits · e / os / android_frameworks_base

core/java/android/bluetooth/BluetoothAdapter.java

+18 −0

Original line number	Diff line number	Diff line
		@@ -997,6 +997,24 @@ public final class BluetoothAdapter {
		return false;
		}

		/**
		* Return true if hardware has entries available for matching beacons
		*
		* @return true if there are hw entries available for matching beacons
		* @hide
		*/
		public boolean isHardwareTrackingFiltersAvailable() {
		if (getState() != STATE_ON) return false;
		try {
		synchronized(mManagerCallback) {
		if(mService != null) return (mService.numOfHwTrackFiltersAvailable() != 0);
		}
		} catch (RemoteException e) {
		Log.e(TAG, "", e);
		}
		return false;
		}

		/**
		* Return the record of {@link BluetoothActivityEnergyInfo} object that
		* has the activity and energy info. This can be used to ascertain what

core/java/android/bluetooth/IBluetooth.aidl

+1 −0

Original line number	Diff line number	Diff line
		@@ -98,6 +98,7 @@ interface IBluetooth
		boolean isActivityAndEnergyReportingSupported();
		void getActivityEnergyInfoFromController();
		BluetoothActivityEnergyInfo reportActivityInfo();
		int numOfHwTrackFiltersAvailable();

		// for dumpsys support
		String dump();

core/java/android/bluetooth/le/BluetoothLeScanner.java

+39 −0

Original line number	Diff line number	Diff line
		@@ -128,6 +128,16 @@ public final class BluetoothLeScanner {
		ScanCallback.SCAN_FAILED_FEATURE_UNSUPPORTED);
		return;
		}
		if (!isHardwareResourcesAvailableForScan(settings)) {
		postCallbackError(callback,
		ScanCallback.SCAN_FAILED_OUT_OF_HARDWARE_RESOURCES);
		return;
		}
		if (!isSettingsAndFilterComboAllowed(settings, filters)) {
		postCallbackError(callback,
		ScanCallback.SCAN_FAILED_FEATURE_UNSUPPORTED);
		return;
		}
		BleScanCallbackWrapper wrapper = new BleScanCallbackWrapper(gatt, filters,
		settings, callback, resultStorages);
		wrapper.startRegisteration();
		@@ -394,4 +404,33 @@ public final class BluetoothLeScanner {
		}
		return false;
		}

		private boolean isSettingsAndFilterComboAllowed(ScanSettings settings,
		List <ScanFilter> filterList) {
		final int callbackType = settings.getCallbackType();
		// If onlost/onfound is requested, a non-empty filter is expected
		if ((callbackType & ScanSettings.CALLBACK_TYPE_FIRST_MATCH
		\| ScanSettings.CALLBACK_TYPE_MATCH_LOST) != 0) {
		if (filterList == null) {
		return false;
		}
		for (ScanFilter filter : filterList) {
		if (filter.isAllFieldsEmpty()) {
		return false;
		}
		}
		}
		return true;
		}

		private boolean isHardwareResourcesAvailableForScan(ScanSettings settings) {
		final int callbackType = settings.getCallbackType();
		if ((callbackType & ScanSettings.CALLBACK_TYPE_FIRST_MATCH) != 0
		\|\| (callbackType & ScanSettings.CALLBACK_TYPE_MATCH_LOST) != 0) {
		// For onlost/onfound, we required hw support be available
		return (mBluetoothAdapter.isOffloadedFilteringSupported() &&
		mBluetoothAdapter.isHardwareTrackingFiltersAvailable());
		}
		return true;
		}
		}

core/java/android/bluetooth/le/ScanCallback.java

+8 −2

Original line number	Diff line number	Diff line
		@@ -44,11 +44,17 @@ public abstract class ScanCallback {
		*/
		public static final int SCAN_FAILED_FEATURE_UNSUPPORTED = 4;

		/**
		* Fails to start scan as it is out of hardware resources.
		* @hide
		*/
		public static final int SCAN_FAILED_OUT_OF_HARDWARE_RESOURCES = 5;

		/**
		* Callback when a BLE advertisement has been found.
		*
		* @param callbackType Determines how this callback was triggered. Currently could only be
		* {@link ScanSettings#CALLBACK_TYPE_ALL_MATCHES}.
		* @param callbackType Determines how this callback was triggered. Could be of
		* {@link ScanSettings#CALLBACK_TYPE_ALL_MATCHES}
		* @param result A Bluetooth LE scan result.
		*/
		public void onScanResult(int callbackType, ScanResult result) {

core/java/android/bluetooth/le/ScanFilter.java

+10 −0

Original line number	Diff line number	Diff line
		@@ -67,6 +67,8 @@ public final class ScanFilter implements Parcelable {
		private final byte[] mManufacturerData;
		@Nullable
		private final byte[] mManufacturerDataMask;
		private static final ScanFilter EMPTY = new ScanFilter.Builder().build() ;


		private ScanFilter(String name, String deviceAddress, ParcelUuid uuid,
		ParcelUuid uuidMask, ParcelUuid serviceDataUuid,
		@@ -409,6 +411,14 @@ public final class ScanFilter implements Parcelable {
		Objects.equals(mServiceUuidMask, other.mServiceUuidMask);
		}

		/**
		* Checks if the scanfilter is empty
		* @hide
		*/
		public boolean isAllFieldsEmpty() {
		return EMPTY.equals(this);
		}

		/**
		* Builder class for {@link ScanFilter}.
		*/