Merge commit '0b62467b142b61ee1e449ba958ba37dfd961ef56' into HEAD

1 files changed, 16 insertions, 0 deletions

diff --git a/core/java/android/bluetooth/BluetoothUuid.java b/core/java/android/bluetooth/BluetoothUuid.java
index abdf949..4b28516 100644
--- a/core/java/android/bluetooth/BluetoothUuid.java
+++ b/core/java/android/bluetooth/BluetoothUuid.java
@@ -73,6 +73,9 @@ public final class BluetoothUuid {
     public static final ParcelUuid MAS =
             ParcelUuid.fromString("00001132-0000-1000-8000-00805F9B34FB");
 
+    public static final ParcelUuid BASE_UUID =
+            ParcelUuid.fromString("00000000-0000-1000-8000-00805F9B34FB");
+
 
     public static final ParcelUuid[] RESERVED_UUIDS = {
         AudioSink, AudioSource, AdvAudioDist, HSP, Handsfree, AvrcpController, AvrcpTarget,
@@ -211,4 +214,17 @@ public final class BluetoothUuid {
         long value = (uuid.getMostSignificantBits() & 0x0000FFFF00000000L) >>> 32;
         return (int)value;
     }
+
+    /**
+     * Check whether the given parcelUuid can be converted to 16 bit bluetooth uuid.
+     * @param parcelUuid
+     * @return true if the parcelUuid can be converted to 16 bit uuid, false otherwise.
+     */
+    public static boolean isShortUuid(ParcelUuid parcelUuid) {
+      UUID uuid = parcelUuid.getUuid();
+      if (uuid.getLeastSignificantBits() != BASE_UUID.getUuid().getLeastSignificantBits()) {
+        return false;
+      }
+      return ((uuid.getMostSignificantBits() & 0xFFFF0000FFFFFFFFL) == 0x1000L);
+    }
 }