Le Scan: Add ambient discovery mode (1/2) (464a1884) · Commits · e / os / android_packages_modules_Bluetooth

framework/java/android/bluetooth/le/ScanSettings.java

+20 −3

Original line number	Diff line number	Diff line
		@@ -51,6 +51,16 @@ public final class ScanSettings implements Parcelable {
		*/
		public static final int SCAN_MODE_LOW_LATENCY = 2;

		/**
		* Perform Bluetooth LE scan in ambient discovery mode. This mode has lower duty cycle and more
		* aggressive scan interval than balanced mode that provides a good trade-off between scan
		* latency and power consumption.
		*
		* @hide
		*/
		@SystemApi
		public static final int SCAN_MODE_AMBIENT_DISCOVERY = 3;

		/**
		* Trigger a callback for every Bluetooth advertisement found that matches the filter criteria.
		* If no filter is active, all advertisement packets are reported.
		@@ -276,10 +286,17 @@ public final class ScanSettings implements Parcelable {
		* @throws IllegalArgumentException If the {@code scanMode} is invalid.
		*/
		public Builder setScanMode(int scanMode) {
		if (scanMode < SCAN_MODE_OPPORTUNISTIC \|\| scanMode > SCAN_MODE_LOW_LATENCY) {
		switch (scanMode) {
		case SCAN_MODE_OPPORTUNISTIC:
		case SCAN_MODE_LOW_POWER:
		case SCAN_MODE_BALANCED:
		case SCAN_MODE_LOW_LATENCY:
		case SCAN_MODE_AMBIENT_DISCOVERY:
		mScanMode = scanMode;
		break;
		default:
		throw new IllegalArgumentException("invalid scan mode " + scanMode);
		}
		mScanMode = scanMode;
		return this;
		}