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Add a method to check whether a UUID is 32bit.

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Change-Id: I92e8bab560b2083e9f4855d28b3f54f2120ef628
This commit is contained in:
Wei Wang
2014-05-07 14:54:43 -07:00
parent 2f4a82af91
commit 51800847d9
2 changed files with 35 additions and 1 deletions
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20
core/java/android/bluetooth/BluetoothUuid.java
View File

@@ -273,11 +273,29 @@ public final class BluetoothUuid {
* @param parcelUuid
* @return true if the parcelUuid can be converted to 16 bit uuid, false otherwise.
*/
public static boolean isShortUuid(ParcelUuid parcelUuid) {
public static boolean is16BitUuid(ParcelUuid parcelUuid) {
UUID uuid = parcelUuid.getUuid();
if (uuid.getLeastSignificantBits() != BASE_UUID.getUuid().getLeastSignificantBits()) {
return false;
}
return ((uuid.getMostSignificantBits() & 0xFFFF0000FFFFFFFFL) == 0x1000L);
}
/**
* Check whether the given parcelUuid can be converted to 32 bit bluetooth uuid.
*
* @param parcelUuid
* @return true if the parcelUuid can be converted to 32 bit uuid, false otherwise.
*/
public static boolean is32BitUuid(ParcelUuid parcelUuid) {
UUID uuid = parcelUuid.getUuid();
if (uuid.getLeastSignificantBits() != BASE_UUID.getUuid().getLeastSignificantBits()) {
return false;
}
if (is16BitUuid(parcelUuid)) {
return false;
}
return ((uuid.getMostSignificantBits() & 0xFFFFFFFFL) == 0x1000L);
}
}

16
core/tests/bluetoothtests/src/android/bluetooth/BluetoothUuidTest.java
View File

@@ -47,4 +47,20 @@ public class BluetoothUuidTest extends TestCase {
assertEquals(ParcelUuid.fromString("FF0F0E0D-0C0B-0A09-0807-0060504030201"),
BluetoothUuid.parseUuidFrom(uuid128));
}
@SmallTest
public void testUuidType() {
assertTrue(BluetoothUuid.is16BitUuid(
ParcelUuid.fromString("0000110B-0000-1000-8000-00805F9B34FB")));
assertFalse(BluetoothUuid.is32BitUuid(
ParcelUuid.fromString("0000110B-0000-1000-8000-00805F9B34FB")));
assertFalse(BluetoothUuid.is16BitUuid(
ParcelUuid.fromString("FE33110B-0000-1000-8000-00805F9B34FB")));
assertTrue(BluetoothUuid.is32BitUuid(
ParcelUuid.fromString("FE33110B-0000-1000-8000-00805F9B34FB")));
assertFalse(BluetoothUuid.is32BitUuid(
ParcelUuid.fromString("FE33110B-1000-1000-8000-00805F9B34FB")));
}
}