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Diffstat (limited to 'framework/java/android/bluetooth/le/BluetoothLeScanner.java')
-rw-r--r--framework/java/android/bluetooth/le/BluetoothLeScanner.java7
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 c8ed7ef719..7fc79d79a6 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