MidiScope/Application/src/main/java/com/example/android/common/midi/MidiOutputPortSelector.java [50:76]:
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    public void onPortSelected(final MidiPortWrapper wrapper) {
        Log.i(MidiConstants.TAG, "onPortSelected: " + wrapper);
        close();

        final MidiDeviceInfo info = wrapper.getDeviceInfo();
        if (info != null) {
            mMidiManager.openDevice(info, new MidiManager.OnDeviceOpenedListener() {

                    @Override
                public void onDeviceOpened(MidiDevice device) {
                    if (device == null) {
                        Log.e(MidiConstants.TAG, "could not open " + info);
                    } else {
                        mOpenDevice = device;
                        mOutputPort = device.openOutputPort(wrapper.getPortIndex());
                        if (mOutputPort == null) {
                            Log.e(MidiConstants.TAG,
                                    "could not open output port for " + info);
                            return;
                        }
                        mOutputPort.connect(mDispatcher);
                    }
                }
            }, null);
            // Don't run the callback on the UI thread because openOutputPort might take a while.
        }
    }
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MidiSynth/Application/src/main/java/com/example/android/common/midi/MidiOutputPortSelector.java [50:76]:
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    public void onPortSelected(final MidiPortWrapper wrapper) {
        Log.i(MidiConstants.TAG, "onPortSelected: " + wrapper);
        close();

        final MidiDeviceInfo info = wrapper.getDeviceInfo();
        if (info != null) {
            mMidiManager.openDevice(info, new MidiManager.OnDeviceOpenedListener() {

                    @Override
                public void onDeviceOpened(MidiDevice device) {
                    if (device == null) {
                        Log.e(MidiConstants.TAG, "could not open " + info);
                    } else {
                        mOpenDevice = device;
                        mOutputPort = device.openOutputPort(wrapper.getPortIndex());
                        if (mOutputPort == null) {
                            Log.e(MidiConstants.TAG,
                                    "could not open output port for " + info);
                            return;
                        }
                        mOutputPort.connect(mDispatcher);
                    }
                }
            }, null);
            // Don't run the callback on the UI thread because openOutputPort might take a while.
        }
    }
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