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Merge "BluetoothMidiDevice: change write type to support JamStik"

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Glenn Kasten
2015-11-02 22:51:29 +00:00
committed by Gerrit Code Review
parent 5831944a6e d11e59ec6b
commit 6079b990f1
1 changed files with 9 additions and 1 deletions
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10
media/packages/BluetoothMidiService/src/com/android/bluetoothmidiservice/BluetoothMidiDevice.java
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@@ -147,14 +147,22 @@ public final class BluetoothMidiDevice {
// switch to receiving notifications after initial characteristic read
mBluetoothGatt.setCharacteristicNotification(characteristic, true);
// Use writeType that requests acknowledgement.
// This improves compatibility with various BLE-MIDI devices.
int originalWriteType = characteristic.getWriteType();
characteristic.setWriteType(BluetoothGattCharacteristic.WRITE_TYPE_DEFAULT);
BluetoothGattDescriptor descriptor = characteristic.getDescriptor(
CLIENT_CHARACTERISTIC_CONFIG);
if (descriptor != null) {
descriptor.setValue(BluetoothGattDescriptor.ENABLE_NOTIFICATION_VALUE);
mBluetoothGatt.writeDescriptor(descriptor);
boolean result = mBluetoothGatt.writeDescriptor(descriptor);
Log.d(TAG, "writeDescriptor returned " + result);
} else {
Log.e(TAG, "No CLIENT_CHARACTERISTIC_CONFIG for device " + mBluetoothDevice);
}
characteristic.setWriteType(originalWriteType);
}
@Override