diff options
Diffstat (limited to 'media')
| -rw-r--r-- | media/java/android/media/midi/MidiManager.java | 7 |
1 files changed, 7 insertions, 0 deletions
diff --git a/media/java/android/media/midi/MidiManager.java b/media/java/android/media/midi/MidiManager.java index 7197dc0..29863d4 100644 --- a/media/java/android/media/midi/MidiManager.java +++ b/media/java/android/media/midi/MidiManager.java @@ -169,6 +169,13 @@ public final class MidiManager { /** * Registers a callback to receive notifications when MIDI devices are added and removed. * + * The {@link DeviceCallback#onDeviceStatusChanged} method will be called immediately + * for any devices that have open ports. This allows applications to know which input + * ports are already in use and, therefore, unavailable. + * + * Applications should call {@link #getDevices} before registering the callback + * to get a list of devices already added. + * * @param callback a {@link DeviceCallback} for MIDI device notifications * @param handler The {@link android.os.Handler Handler} that will be used for delivering the * device notifications. If handler is null, then the thread used for the |