private void setupMidi() {
// Setup MIDI
mMidiManager = (MidiManager) getSystemService(MIDI_SERVICE);
mMidiManager.registerDeviceCallback(
new DeviceCallback() {
@Override
public void onDeviceRemoved(final MidiDeviceInfo info) {
mOpenDeviceListAdapter.remove(info);
}
// Update port open counts so user knows if the device is in use.
@Override
public void onDeviceStatusChanged(final MidiDeviceStatus status) {
MidiDeviceInfo info = status.getDeviceInfo();
BluetoothMidiDeviceTracker tracker = mOpenDeviceListAdapter.getDevice(info);
if (tracker != null) {
tracker.outputOpenCount = 0;
for (int i = 0; i < info.getOutputPortCount(); i++) {
tracker.outputOpenCount += status.getOutputPortOpenCount(i);
}
tracker.inputOpenCount = 0;
for (int i = 0; i < info.getInputPortCount(); i++) {
tracker.inputOpenCount += status.isInputPortOpen(i) ? 1 : 0;
}
mOpenDeviceListAdapter.notifyDataSetChanged();
}
}
},
new android.os.Handler(Looper.getMainLooper()));
}
