diff options
| -rw-r--r-- | framework/java/android/bluetooth/le/BluetoothLeScanner.java | 7 |
1 files changed, 6 insertions, 1 deletions
diff --git a/framework/java/android/bluetooth/le/BluetoothLeScanner.java b/framework/java/android/bluetooth/le/BluetoothLeScanner.java index ad9e20b929..dd1a61c316 100644 --- a/framework/java/android/bluetooth/le/BluetoothLeScanner.java +++ b/framework/java/android/bluetooth/le/BluetoothLeScanner.java @@ -99,7 +99,9 @@ public final class BluetoothLeScanner { /** * Start Bluetooth LE scan with default parameters and no filters. The scan results will be - * delivered through {@code callback}. + * delivered through {@code callback}. For unfiltered scans, scanning is stopped on screen + * off to save power. Scanning is resumed when screen is turned on again. To avoid this, use + * {@link #startScan(List, ScanSettings, ScanCallback)} with desired {@link ScanFilter}. * <p> * An app must hold * {@link android.Manifest.permission#ACCESS_COARSE_LOCATION ACCESS_COARSE_LOCATION} or @@ -116,6 +118,9 @@ public final class BluetoothLeScanner { /** * Start Bluetooth LE scan. The scan results will be delivered through {@code callback}. + * For unfiltered scans, scanning is stopped on screen off to save power. Scanning is + * resumed when screen is turned on again. To avoid this, do filetered scanning by + * using proper {@link ScanFilter}. * <p> * An app must hold * {@link android.Manifest.permission#ACCESS_COARSE_LOCATION ACCESS_COARSE_LOCATION} or |