diff --git a/dConnectDevicePlugin/dConnectDeviceMidi/NOTICE b/dConnectDevicePlugin/dConnectDeviceMidi/NOTICE
new file mode 100644
index 0000000000..7aa89ff60e
--- /dev/null
+++ b/dConnectDevicePlugin/dConnectDeviceMidi/NOTICE
@@ -0,0 +1,2 @@
+This software includes the following work that is distributed in the Apache License 2.0.
+- javax.sound.midi-for-Android (https://github.com/kshoji/javax.sound.midi-for-Android)
diff --git a/dConnectDevicePlugin/dConnectDeviceMidi/plugin/src/main/java/org/deviceconnect/android/deviceplugin/midi/CustomTableRow.java b/dConnectDevicePlugin/dConnectDeviceMidi/plugin/src/main/java/org/deviceconnect/android/deviceplugin/midi/CustomTableRow.java
index 3072bfea15..9938ed828a 100644
--- a/dConnectDevicePlugin/dConnectDeviceMidi/plugin/src/main/java/org/deviceconnect/android/deviceplugin/midi/CustomTableRow.java
+++ b/dConnectDevicePlugin/dConnectDeviceMidi/plugin/src/main/java/org/deviceconnect/android/deviceplugin/midi/CustomTableRow.java
@@ -1,3 +1,9 @@
+/*
+ CustomTableRow.java
+ Copyright (c) 2020 NTT DOCOMO,INC.
+ Released under the MIT license
+ http://opensource.org/licenses/mit-license.php
+ */
 package org.deviceconnect.android.deviceplugin.midi;
 
 import android.content.Context;
@@ -7,6 +13,11 @@
 import android.widget.TableRow;
 import android.widget.TextView;
 
+/**
+ * テーブル行表示.
+ *
+ * @author NTT DOCOMO, INC.
+ */
 public class CustomTableRow extends TableRow {
 
     private String mItemTitle;
diff --git a/dConnectDevicePlugin/dConnectDeviceMidi/plugin/src/main/java/org/deviceconnect/android/deviceplugin/midi/DConnectMidiBleSettingsActivity.java b/dConnectDevicePlugin/dConnectDeviceMidi/plugin/src/main/java/org/deviceconnect/android/deviceplugin/midi/DConnectMidiBleSettingsActivity.java
index 4cb132ce62..2f249acf73 100644
--- a/dConnectDevicePlugin/dConnectDeviceMidi/plugin/src/main/java/org/deviceconnect/android/deviceplugin/midi/DConnectMidiBleSettingsActivity.java
+++ b/dConnectDevicePlugin/dConnectDeviceMidi/plugin/src/main/java/org/deviceconnect/android/deviceplugin/midi/DConnectMidiBleSettingsActivity.java
@@ -1,3 +1,9 @@
+/*
+ DConnectMidiBleSettingsActivity.java
+ Copyright (c) 2020 NTT DOCOMO,INC.
+ Released under the MIT license
+ http://opensource.org/licenses/mit-license.php
+ */
 package org.deviceconnect.android.deviceplugin.midi;
 
 import androidx.fragment.app.Fragment;
@@ -7,6 +13,11 @@
 import org.deviceconnect.android.deviceplugin.midi.fragment.SummaryFragment;
 import org.deviceconnect.android.ui.activity.DConnectSettingPageFragmentActivity;
 
+/**
+ * BLE 設定画面.
+ *
+ * @author NTT DOCOMO, INC.
+ */
 public class DConnectMidiBleSettingsActivity extends DConnectSettingPageFragmentActivity {
 
     @Override
diff --git a/dConnectDevicePlugin/dConnectDeviceMidi/plugin/src/main/java/org/deviceconnect/android/deviceplugin/midi/DConnectMidiDeviceService.java b/dConnectDevicePlugin/dConnectDeviceMidi/plugin/src/main/java/org/deviceconnect/android/deviceplugin/midi/DConnectMidiDeviceService.java
index e287c4fad8..5685e9eb25 100644
--- a/dConnectDevicePlugin/dConnectDeviceMidi/plugin/src/main/java/org/deviceconnect/android/deviceplugin/midi/DConnectMidiDeviceService.java
+++ b/dConnectDevicePlugin/dConnectDeviceMidi/plugin/src/main/java/org/deviceconnect/android/deviceplugin/midi/DConnectMidiDeviceService.java
@@ -1,3 +1,9 @@
+/*
+ DConnectMidiDeviceService.java
+ Copyright (c) 2020 NTT DOCOMO,INC.
+ Released under the MIT license
+ http://opensource.org/licenses/mit-license.php
+ */
 package org.deviceconnect.android.deviceplugin.midi;
 
 import android.bluetooth.BluetoothDevice;
@@ -44,6 +50,11 @@
 import java.util.List;
 import java.util.logging.Logger;
 
+/**
+ * MIDI デバイス操作用サービス.
+ *
+ * author NTT DOCOMO, INC.
+ */
 public class DConnectMidiDeviceService extends DConnectService implements MidiMessageSender {
 
     /**
diff --git a/dConnectDevicePlugin/dConnectDeviceMidi/plugin/src/main/java/org/deviceconnect/android/deviceplugin/midi/DConnectMidiServiceDetailActivity.java b/dConnectDevicePlugin/dConnectDeviceMidi/plugin/src/main/java/org/deviceconnect/android/deviceplugin/midi/DConnectMidiServiceDetailActivity.java
index 4782592f28..ac2197b52e 100644
--- a/dConnectDevicePlugin/dConnectDeviceMidi/plugin/src/main/java/org/deviceconnect/android/deviceplugin/midi/DConnectMidiServiceDetailActivity.java
+++ b/dConnectDevicePlugin/dConnectDeviceMidi/plugin/src/main/java/org/deviceconnect/android/deviceplugin/midi/DConnectMidiServiceDetailActivity.java
@@ -1,3 +1,9 @@
+/*
+ DConnectMidiServiceDetailActivity.java
+ Copyright (c) 2020 NTT DOCOMO,INC.
+ Released under the MIT license
+ http://opensource.org/licenses/mit-license.php
+ */
 package org.deviceconnect.android.deviceplugin.midi;
 
 import android.app.Activity;
@@ -8,6 +14,8 @@
 
 /**
  * MIDI プラグインのサービス詳細情報画面.
+ *
+ * @author NTT DOCOMO, INC.
  */
 public class DConnectMidiServiceDetailActivity extends Activity {
 
diff --git a/dConnectDevicePlugin/dConnectDeviceMidi/plugin/src/main/java/org/deviceconnect/android/deviceplugin/midi/DConnectMidiServiceListActivity.java b/dConnectDevicePlugin/dConnectDeviceMidi/plugin/src/main/java/org/deviceconnect/android/deviceplugin/midi/DConnectMidiServiceListActivity.java
index 50ebf7b73f..c338767a0f 100644
--- a/dConnectDevicePlugin/dConnectDeviceMidi/plugin/src/main/java/org/deviceconnect/android/deviceplugin/midi/DConnectMidiServiceListActivity.java
+++ b/dConnectDevicePlugin/dConnectDeviceMidi/plugin/src/main/java/org/deviceconnect/android/deviceplugin/midi/DConnectMidiServiceListActivity.java
@@ -1,3 +1,9 @@
+/*
+ DConnectMidiServiceListActivity.java
+ Copyright (c) 2020 NTT DOCOMO,INC.
+ Released under the MIT license
+ http://opensource.org/licenses/mit-license.php
+ */
 package org.deviceconnect.android.deviceplugin.midi;
 
 import android.app.Activity;
@@ -14,6 +20,8 @@
 
 /**
  * MIDI プラグインのサービス一覧画面.
+ *
+ * @author NTT DOCOMO, INC.
  */
 public class DConnectMidiServiceListActivity extends DConnectServiceListActivity {
 
diff --git a/dConnectDevicePlugin/dConnectDeviceMidi/plugin/src/main/java/org/deviceconnect/android/deviceplugin/midi/DConnectMidiSettingsListActivity.java b/dConnectDevicePlugin/dConnectDeviceMidi/plugin/src/main/java/org/deviceconnect/android/deviceplugin/midi/DConnectMidiSettingsListActivity.java
index 70ac3b7317..e1e39940cd 100644
--- a/dConnectDevicePlugin/dConnectDeviceMidi/plugin/src/main/java/org/deviceconnect/android/deviceplugin/midi/DConnectMidiSettingsListActivity.java
+++ b/dConnectDevicePlugin/dConnectDeviceMidi/plugin/src/main/java/org/deviceconnect/android/deviceplugin/midi/DConnectMidiSettingsListActivity.java
@@ -1,3 +1,9 @@
+/*
+ DConnectMidiSettingsListActivity.java
+ Copyright (c) 2020 NTT DOCOMO,INC.
+ Released under the MIT license
+ http://opensource.org/licenses/mit-license.php
+ */
 package org.deviceconnect.android.deviceplugin.midi;
 
 import android.os.Bundle;
@@ -5,6 +11,11 @@
 import androidx.annotation.Nullable;
 import androidx.fragment.app.FragmentActivity;
 
+/**
+ * MIDI プラグイン設定リスト画面.
+ *
+ * @author NTT DOCOMO, INC.
+ */
 public class DConnectMidiSettingsListActivity extends FragmentActivity {
 
     @Override
diff --git a/dConnectDevicePlugin/dConnectDeviceMidi/plugin/src/main/java/org/deviceconnect/android/deviceplugin/midi/MidiDemoInstaller.java b/dConnectDevicePlugin/dConnectDeviceMidi/plugin/src/main/java/org/deviceconnect/android/deviceplugin/midi/MidiDemoInstaller.java
index 2490271e2e..cdf99092c5 100644
--- a/dConnectDevicePlugin/dConnectDeviceMidi/plugin/src/main/java/org/deviceconnect/android/deviceplugin/midi/MidiDemoInstaller.java
+++ b/dConnectDevicePlugin/dConnectDeviceMidi/plugin/src/main/java/org/deviceconnect/android/deviceplugin/midi/MidiDemoInstaller.java
@@ -1,9 +1,20 @@
+/*
+ MidiDemoInstaller.java
+ Copyright (c) 2020 NTT DOCOMO,INC.
+ Released under the MIT license
+ http://opensource.org/licenses/mit-license.php
+ */
 package org.deviceconnect.android.deviceplugin.midi;
 
 import android.content.Context;
 
 import org.deviceconnect.android.deviceplugin.demo.DemoInstaller;
 
+/**
+ * MIDI デモインストーラ.
+ *
+ * @author NTT DOCOMO, INC.
+ */
 public class MidiDemoInstaller extends DemoInstaller {
 
     public MidiDemoInstaller(Context context) {
diff --git a/dConnectDevicePlugin/dConnectDeviceMidi/plugin/src/main/java/org/deviceconnect/android/deviceplugin/midi/MidiDemoSettingActivity.java b/dConnectDevicePlugin/dConnectDeviceMidi/plugin/src/main/java/org/deviceconnect/android/deviceplugin/midi/MidiDemoSettingActivity.java
index 1064a28a7f..0110f2fc54 100644
--- a/dConnectDevicePlugin/dConnectDeviceMidi/plugin/src/main/java/org/deviceconnect/android/deviceplugin/midi/MidiDemoSettingActivity.java
+++ b/dConnectDevicePlugin/dConnectDeviceMidi/plugin/src/main/java/org/deviceconnect/android/deviceplugin/midi/MidiDemoSettingActivity.java
@@ -1,3 +1,9 @@
+/*
+ MidiDemoSettingActivity.java
+ Copyright (c) 2020 NTT DOCOMO,INC.
+ Released under the MIT license
+ http://opensource.org/licenses/mit-license.php
+ */
 package org.deviceconnect.android.deviceplugin.midi;
 
 import android.os.Bundle;
@@ -5,6 +11,11 @@
 import androidx.annotation.Nullable;
 import androidx.fragment.app.FragmentActivity;
 
+/**
+ * デモページ設定画面.
+ *
+ * @author NTT DOCOMO, INC.
+ */
 public class MidiDemoSettingActivity extends FragmentActivity {
 
     @Override
diff --git a/dConnectDevicePlugin/dConnectDeviceMidi/plugin/src/main/java/org/deviceconnect/android/deviceplugin/midi/MidiDeviceManager.java b/dConnectDevicePlugin/dConnectDeviceMidi/plugin/src/main/java/org/deviceconnect/android/deviceplugin/midi/MidiDeviceManager.java
index 2af5c9a58e..2d64a37c8a 100644
--- a/dConnectDevicePlugin/dConnectDeviceMidi/plugin/src/main/java/org/deviceconnect/android/deviceplugin/midi/MidiDeviceManager.java
+++ b/dConnectDevicePlugin/dConnectDeviceMidi/plugin/src/main/java/org/deviceconnect/android/deviceplugin/midi/MidiDeviceManager.java
@@ -1,3 +1,9 @@
+/*
+ MidiDeviceManager.java
+ Copyright (c) 2020 NTT DOCOMO,INC.
+ Released under the MIT license
+ http://opensource.org/licenses/mit-license.php
+ */
 package org.deviceconnect.android.deviceplugin.midi;
 
 import android.bluetooth.BluetoothDevice;
@@ -20,6 +26,11 @@
 import java.util.Set;
 import java.util.logging.Logger;
 
+/**
+ * MIDI デバイス管理クラス.
+ *
+ * @author NTT DOCOMO, INC.
+ */
 public class MidiDeviceManager {
 
     private final Logger mLogger = Logger.getLogger("midi-plugin");
diff --git a/dConnectDevicePlugin/dConnectDeviceMidi/plugin/src/main/java/org/deviceconnect/android/deviceplugin/midi/MidiInputBuffer.java b/dConnectDevicePlugin/dConnectDeviceMidi/plugin/src/main/java/org/deviceconnect/android/deviceplugin/midi/MidiInputBuffer.java
index 9107ff5cfd..1e03089ee5 100644
--- a/dConnectDevicePlugin/dConnectDeviceMidi/plugin/src/main/java/org/deviceconnect/android/deviceplugin/midi/MidiInputBuffer.java
+++ b/dConnectDevicePlugin/dConnectDeviceMidi/plugin/src/main/java/org/deviceconnect/android/deviceplugin/midi/MidiInputBuffer.java
@@ -1,3 +1,9 @@
+/*
+ MidiInputBuffer.java
+ Copyright (c) 2020 NTT DOCOMO,INC.
+ Released under the MIT license
+ http://opensource.org/licenses/mit-license.php
+ */
 package org.deviceconnect.android.deviceplugin.midi;
 
 import android.media.midi.MidiInputPort;
@@ -7,6 +13,11 @@
 import java.io.IOException;
 import java.nio.ByteBuffer;
 
+/**
+ * MIDI 受信バッファ.
+ *
+ * @author NTT DOCOMO, INC.
+ */
 class MidiInputBuffer {
 
     private static final int BUFFER_SIZE = 1024;
diff --git a/dConnectDevicePlugin/dConnectDeviceMidi/plugin/src/main/java/org/deviceconnect/android/deviceplugin/midi/MidiMessageSender.java b/dConnectDevicePlugin/dConnectDeviceMidi/plugin/src/main/java/org/deviceconnect/android/deviceplugin/midi/MidiMessageSender.java
index 8bf02beb1e..e3c6e41f45 100644
--- a/dConnectDevicePlugin/dConnectDeviceMidi/plugin/src/main/java/org/deviceconnect/android/deviceplugin/midi/MidiMessageSender.java
+++ b/dConnectDevicePlugin/dConnectDeviceMidi/plugin/src/main/java/org/deviceconnect/android/deviceplugin/midi/MidiMessageSender.java
@@ -1,9 +1,20 @@
+/*
+ MidiMessageSender.java
+ Copyright (c) 2020 NTT DOCOMO,INC.
+ Released under the MIT license
+ http://opensource.org/licenses/mit-license.php
+ */
 package org.deviceconnect.android.deviceplugin.midi;
 
 import org.deviceconnect.android.deviceplugin.midi.core.MidiMessage;
 
 import java.io.IOException;
 
+/**
+ * MIDI メッセージ送信インターフェース.
+ *
+ * @author NTT DOCOMO, INC.
+ */
 public interface MidiMessageSender {
     void send(int port, MidiMessage message) throws IOException;
 }
diff --git a/dConnectDevicePlugin/dConnectDeviceMidi/plugin/src/main/java/org/deviceconnect/android/deviceplugin/midi/MidiMessageService.java b/dConnectDevicePlugin/dConnectDeviceMidi/plugin/src/main/java/org/deviceconnect/android/deviceplugin/midi/MidiMessageService.java
index 56bfb97239..2e129ff814 100644
--- a/dConnectDevicePlugin/dConnectDeviceMidi/plugin/src/main/java/org/deviceconnect/android/deviceplugin/midi/MidiMessageService.java
+++ b/dConnectDevicePlugin/dConnectDeviceMidi/plugin/src/main/java/org/deviceconnect/android/deviceplugin/midi/MidiMessageService.java
@@ -1,3 +1,9 @@
+/*
+ MidiMessageService.java
+ Copyright (c) 2020 NTT DOCOMO,INC.
+ Released under the MIT license
+ http://opensource.org/licenses/mit-license.php
+ */
 package org.deviceconnect.android.deviceplugin.midi;
 
 import android.bluetooth.BluetoothDevice;
@@ -26,6 +32,8 @@
 
 /**
  * MIDI プラグイン本体.
+ *
+ * @author NTT DOCOMO, INC.
  */
 public class MidiMessageService extends DConnectMessageService {
 
diff --git a/dConnectDevicePlugin/dConnectDeviceMidi/plugin/src/main/java/org/deviceconnect/android/deviceplugin/midi/MidiMessageServiceProvider.java b/dConnectDevicePlugin/dConnectDeviceMidi/plugin/src/main/java/org/deviceconnect/android/deviceplugin/midi/MidiMessageServiceProvider.java
index 869a5a916d..1967cfba7f 100644
--- a/dConnectDevicePlugin/dConnectDeviceMidi/plugin/src/main/java/org/deviceconnect/android/deviceplugin/midi/MidiMessageServiceProvider.java
+++ b/dConnectDevicePlugin/dConnectDeviceMidi/plugin/src/main/java/org/deviceconnect/android/deviceplugin/midi/MidiMessageServiceProvider.java
@@ -1,9 +1,21 @@
+/*
+ MidiMessageServiceProvider.java
+ Copyright (c) 2020 NTT DOCOMO,INC.
+ Released under the MIT license
+ http://opensource.org/licenses/mit-license.php
+ */
 package org.deviceconnect.android.deviceplugin.midi;
 
 import android.app.Service;
 
 import org.deviceconnect.android.message.DConnectMessageServiceProvider;
 
+/**
+ * DConnectMessageServiceProvider の実装.
+ *
+ * @param <T> サービスの拡張クラス
+ * @author NTT DOCOMO, INC.
+ */
 public class MidiMessageServiceProvider<T extends Service> extends DConnectMessageServiceProvider<Service> {
     @SuppressWarnings("unchecked")
     @Override
diff --git a/dConnectDevicePlugin/dConnectDeviceMidi/plugin/src/main/java/org/deviceconnect/android/deviceplugin/midi/ServiceInfo.java b/dConnectDevicePlugin/dConnectDeviceMidi/plugin/src/main/java/org/deviceconnect/android/deviceplugin/midi/ServiceInfo.java
index 66d2502b25..6ed72f2c87 100644
--- a/dConnectDevicePlugin/dConnectDeviceMidi/plugin/src/main/java/org/deviceconnect/android/deviceplugin/midi/ServiceInfo.java
+++ b/dConnectDevicePlugin/dConnectDeviceMidi/plugin/src/main/java/org/deviceconnect/android/deviceplugin/midi/ServiceInfo.java
@@ -1,3 +1,9 @@
+/*
+ ServiceInfo.java
+ Copyright (c) 2020 NTT DOCOMO,INC.
+ Released under the MIT license
+ http://opensource.org/licenses/mit-license.php
+ */
 package org.deviceconnect.android.deviceplugin.midi;
 
 import android.media.midi.MidiDeviceInfo;
@@ -8,6 +14,11 @@
 import java.util.ArrayList;
 import java.util.List;
 
+/**
+ * MIDI デバイス操作用サービスについての情報の構造体.
+ *
+ * @author NTT DOCOMO, INC.
+ */
 public class ServiceInfo implements Parcelable {
 
     public enum Direction {
diff --git a/dConnectDevicePlugin/dConnectDeviceMidi/plugin/src/main/java/org/deviceconnect/android/deviceplugin/midi/ble/activity/BleEnableActivity.java b/dConnectDevicePlugin/dConnectDeviceMidi/plugin/src/main/java/org/deviceconnect/android/deviceplugin/midi/ble/activity/BleEnableActivity.java
index f4a52261b5..e1930fcf99 100644
--- a/dConnectDevicePlugin/dConnectDeviceMidi/plugin/src/main/java/org/deviceconnect/android/deviceplugin/midi/ble/activity/BleEnableActivity.java
+++ b/dConnectDevicePlugin/dConnectDeviceMidi/plugin/src/main/java/org/deviceconnect/android/deviceplugin/midi/ble/activity/BleEnableActivity.java
@@ -1,3 +1,9 @@
+/*
+ BleEnableActivity.java
+ Copyright (c) 2020 NTT DOCOMO,INC.
+ Released under the MIT license
+ http://opensource.org/licenses/mit-license.php
+ */
 package org.deviceconnect.android.deviceplugin.midi.ble.activity;
 
 import android.app.Activity;
@@ -7,6 +13,11 @@
 import android.os.Bundle;
 import android.os.ResultReceiver;
 
+/**
+ * BLE デバイス接続画面.
+ *
+ * @author NTT DOCOMO, INC.
+ */
 public class BleEnableActivity extends Activity {
     private static final String EXTRA_CALLBACK = "EXTRA_CALLBACK";
     private static final int REQUEST_CODE = 123456789;
diff --git a/dConnectDevicePlugin/dConnectDeviceMidi/plugin/src/main/java/org/deviceconnect/android/deviceplugin/midi/core/ChannelVoiceMessage.java b/dConnectDevicePlugin/dConnectDeviceMidi/plugin/src/main/java/org/deviceconnect/android/deviceplugin/midi/core/ChannelVoiceMessage.java
index d931193662..6171ea028e 100644
--- a/dConnectDevicePlugin/dConnectDeviceMidi/plugin/src/main/java/org/deviceconnect/android/deviceplugin/midi/core/ChannelVoiceMessage.java
+++ b/dConnectDevicePlugin/dConnectDeviceMidi/plugin/src/main/java/org/deviceconnect/android/deviceplugin/midi/core/ChannelVoiceMessage.java
@@ -1,3 +1,9 @@
+/*
+ ChannelVoiceMessage.java
+ Copyright (c) 2020 NTT DOCOMO,INC.
+ Released under the MIT license
+ http://opensource.org/licenses/mit-license.php
+ */
 package org.deviceconnect.android.deviceplugin.midi.core;
 
 /**
diff --git a/dConnectDevicePlugin/dConnectDeviceMidi/plugin/src/main/java/org/deviceconnect/android/deviceplugin/midi/core/ControlChangeMessage.java b/dConnectDevicePlugin/dConnectDeviceMidi/plugin/src/main/java/org/deviceconnect/android/deviceplugin/midi/core/ControlChangeMessage.java
index acf2920f9f..8d5379b64d 100644
--- a/dConnectDevicePlugin/dConnectDeviceMidi/plugin/src/main/java/org/deviceconnect/android/deviceplugin/midi/core/ControlChangeMessage.java
+++ b/dConnectDevicePlugin/dConnectDeviceMidi/plugin/src/main/java/org/deviceconnect/android/deviceplugin/midi/core/ControlChangeMessage.java
@@ -1,9 +1,17 @@
+/*
+ ControlChangeMessage.java
+ Copyright (c) 2020 NTT DOCOMO,INC.
+ Released under the MIT license
+ http://opensource.org/licenses/mit-license.php
+ */
 package org.deviceconnect.android.deviceplugin.midi.core;
 
 import java.nio.ByteBuffer;
 
 /**
  * コントロール・チェンジ・メッセージ.
+ *
+ * @author NTT DOCOMO, INC.
  */
 public class ControlChangeMessage extends ChannelVoiceMessage {
 
diff --git a/dConnectDevicePlugin/dConnectDeviceMidi/plugin/src/main/java/org/deviceconnect/android/deviceplugin/midi/core/MidiMessage.java b/dConnectDevicePlugin/dConnectDeviceMidi/plugin/src/main/java/org/deviceconnect/android/deviceplugin/midi/core/MidiMessage.java
index 9fc294b26d..2f557cb679 100644
--- a/dConnectDevicePlugin/dConnectDeviceMidi/plugin/src/main/java/org/deviceconnect/android/deviceplugin/midi/core/MidiMessage.java
+++ b/dConnectDevicePlugin/dConnectDeviceMidi/plugin/src/main/java/org/deviceconnect/android/deviceplugin/midi/core/MidiMessage.java
@@ -1,9 +1,17 @@
+/*
+ MidiMessage.java
+ Copyright (c) 2020 NTT DOCOMO,INC.
+ Released under the MIT license
+ http://opensource.org/licenses/mit-license.php
+ */
 package org.deviceconnect.android.deviceplugin.midi.core;
 
 import java.nio.ByteBuffer;
 
 /**
  * MIDI メッセージ.
+ *
+ * @author NTT DOCOMO, INC.
  */
 public abstract class MidiMessage {
 
diff --git a/dConnectDevicePlugin/dConnectDeviceMidi/plugin/src/main/java/org/deviceconnect/android/deviceplugin/midi/core/MidiMessageParser.java b/dConnectDevicePlugin/dConnectDeviceMidi/plugin/src/main/java/org/deviceconnect/android/deviceplugin/midi/core/MidiMessageParser.java
index 90b136d8f3..4c06141361 100644
--- a/dConnectDevicePlugin/dConnectDeviceMidi/plugin/src/main/java/org/deviceconnect/android/deviceplugin/midi/core/MidiMessageParser.java
+++ b/dConnectDevicePlugin/dConnectDeviceMidi/plugin/src/main/java/org/deviceconnect/android/deviceplugin/midi/core/MidiMessageParser.java
@@ -1,3 +1,9 @@
+/*
+ MidiMessageParser.java
+ Copyright (c) 2020 NTT DOCOMO,INC.
+ Released under the MIT license
+ http://opensource.org/licenses/mit-license.php
+ */
 package org.deviceconnect.android.deviceplugin.midi.core;
 
 /**
@@ -5,6 +11,8 @@
  *
  * 与えられたバイト配列を MIDI メッセージとして解析し、
  * その結果を {@link MidiMessage} オブジェクトで返す.
+ *
+ * @author NTT DOCOMO, INC.
  */
 public class MidiMessageParser {
 
diff --git a/dConnectDevicePlugin/dConnectDeviceMidi/plugin/src/main/java/org/deviceconnect/android/deviceplugin/midi/core/NoteMessage.java b/dConnectDevicePlugin/dConnectDeviceMidi/plugin/src/main/java/org/deviceconnect/android/deviceplugin/midi/core/NoteMessage.java
index 54a6f37105..a545fbb0d2 100644
--- a/dConnectDevicePlugin/dConnectDeviceMidi/plugin/src/main/java/org/deviceconnect/android/deviceplugin/midi/core/NoteMessage.java
+++ b/dConnectDevicePlugin/dConnectDeviceMidi/plugin/src/main/java/org/deviceconnect/android/deviceplugin/midi/core/NoteMessage.java
@@ -1,7 +1,15 @@
+/*
+ NoteMessage.java
+ Copyright (c) 2020 NTT DOCOMO,INC.
+ Released under the MIT license
+ http://opensource.org/licenses/mit-license.php
+ */
 package org.deviceconnect.android.deviceplugin.midi.core;
 
 /**
  * ノートを制御するメッセージのインターフェース.
+ *
+ * @author NTT DOCOMO, INC.
  */
 public interface NoteMessage {
 
diff --git a/dConnectDevicePlugin/dConnectDeviceMidi/plugin/src/main/java/org/deviceconnect/android/deviceplugin/midi/core/NoteOffMessage.java b/dConnectDevicePlugin/dConnectDeviceMidi/plugin/src/main/java/org/deviceconnect/android/deviceplugin/midi/core/NoteOffMessage.java
index 519cbaac94..4f70c1aa2f 100644
--- a/dConnectDevicePlugin/dConnectDeviceMidi/plugin/src/main/java/org/deviceconnect/android/deviceplugin/midi/core/NoteOffMessage.java
+++ b/dConnectDevicePlugin/dConnectDeviceMidi/plugin/src/main/java/org/deviceconnect/android/deviceplugin/midi/core/NoteOffMessage.java
@@ -1,9 +1,17 @@
+/*
+ NoteOffMessage.java
+ Copyright (c) 2020 NTT DOCOMO,INC.
+ Released under the MIT license
+ http://opensource.org/licenses/mit-license.php
+ */
 package org.deviceconnect.android.deviceplugin.midi.core;
 
 import java.nio.ByteBuffer;
 
 /**
  * ノート・オフ・メッセージ.
+ *
+ * @author NTT DOCOMO, INC.
  */
 public class NoteOffMessage extends ChannelVoiceMessage implements NoteMessage {
 
diff --git a/dConnectDevicePlugin/dConnectDeviceMidi/plugin/src/main/java/org/deviceconnect/android/deviceplugin/midi/core/NoteOnMessage.java b/dConnectDevicePlugin/dConnectDeviceMidi/plugin/src/main/java/org/deviceconnect/android/deviceplugin/midi/core/NoteOnMessage.java
index 115b269a3d..25da85dff6 100644
--- a/dConnectDevicePlugin/dConnectDeviceMidi/plugin/src/main/java/org/deviceconnect/android/deviceplugin/midi/core/NoteOnMessage.java
+++ b/dConnectDevicePlugin/dConnectDeviceMidi/plugin/src/main/java/org/deviceconnect/android/deviceplugin/midi/core/NoteOnMessage.java
@@ -1,9 +1,17 @@
+/*
+ NoteOnMessage.java
+ Copyright (c) 2020 NTT DOCOMO,INC.
+ Released under the MIT license
+ http://opensource.org/licenses/mit-license.php
+ */
 package org.deviceconnect.android.deviceplugin.midi.core;
 
 import java.nio.ByteBuffer;
 
 /**
  * ノート・オン・メッセージ.
+ *
+ * @author NTT DOCOMO, INC.
  */
 public class NoteOnMessage extends ChannelVoiceMessage implements NoteMessage {
 
diff --git a/dConnectDevicePlugin/dConnectDeviceMidi/plugin/src/main/java/org/deviceconnect/android/deviceplugin/midi/core/file/MidiFilePlayer.java b/dConnectDevicePlugin/dConnectDeviceMidi/plugin/src/main/java/org/deviceconnect/android/deviceplugin/midi/core/file/MidiFilePlayer.java
index 01f322df2d..916d315bc4 100644
--- a/dConnectDevicePlugin/dConnectDeviceMidi/plugin/src/main/java/org/deviceconnect/android/deviceplugin/midi/core/file/MidiFilePlayer.java
+++ b/dConnectDevicePlugin/dConnectDeviceMidi/plugin/src/main/java/org/deviceconnect/android/deviceplugin/midi/core/file/MidiFilePlayer.java
@@ -1,3 +1,9 @@
+/*
+ MidiFilePlayer.java
+ Copyright (c) 2020 NTT DOCOMO,INC.
+ Released under the MIT license
+ http://opensource.org/licenses/mit-license.php
+ */
 package org.deviceconnect.android.deviceplugin.midi.core.file;
 
 import android.media.midi.MidiInputPort;
@@ -18,6 +24,11 @@
 
 /**
  * MIDI ファイルプレイヤー.
+ *
+ * NOTE: 再生処理については、以下の実装を参考にした。
+ * https://github.com/kshoji/javax.sound.midi-for-Android/blob/develop/javax.sound.midi/src/jp/kshoji/javax/sound/midi/impl/SequencerImpl.java
+ *
+ * @author NTT DOCOMO, INC.
  */
 public class MidiFilePlayer {
 
diff --git a/dConnectDevicePlugin/dConnectDeviceMidi/plugin/src/main/java/org/deviceconnect/android/deviceplugin/midi/fragment/MidiDemoSettingFragment.java b/dConnectDevicePlugin/dConnectDeviceMidi/plugin/src/main/java/org/deviceconnect/android/deviceplugin/midi/fragment/MidiDemoSettingFragment.java
index a4a4ab5846..5b85dfc1d1 100644
--- a/dConnectDevicePlugin/dConnectDeviceMidi/plugin/src/main/java/org/deviceconnect/android/deviceplugin/midi/fragment/MidiDemoSettingFragment.java
+++ b/dConnectDevicePlugin/dConnectDeviceMidi/plugin/src/main/java/org/deviceconnect/android/deviceplugin/midi/fragment/MidiDemoSettingFragment.java
@@ -1,3 +1,9 @@
+/*
+ MidiDemoSettingFragment.java
+ Copyright (c) 2020 NTT DOCOMO,INC.
+ Released under the MIT license
+ http://opensource.org/licenses/mit-license.php
+ */
 package org.deviceconnect.android.deviceplugin.midi.fragment;
 
 import android.Manifest;
@@ -14,6 +20,11 @@
 import org.deviceconnect.android.deviceplugin.midi.MidiDemoInstaller;
 import org.deviceconnect.android.deviceplugin.midi.R;
 
+/**
+ * This fragment do setting of the MIDI demo setting.
+ *
+ * @author NTT DOCOMO, INC.
+ */
 public class MidiDemoSettingFragment extends DemoSettingFragment {
 
     private static final String FILE_PROVIDER_AUTHORITY = "org.deviceconnect.android.deviceplugin.midi.provider";
diff --git a/dConnectDevicePlugin/dConnectDeviceMidi/plugin/src/main/java/org/deviceconnect/android/deviceplugin/midi/fragment/MidiDeviceSettingsFragment.java b/dConnectDevicePlugin/dConnectDeviceMidi/plugin/src/main/java/org/deviceconnect/android/deviceplugin/midi/fragment/MidiDeviceSettingsFragment.java
index f71bb7d547..6c9515d6ff 100644
--- a/dConnectDevicePlugin/dConnectDeviceMidi/plugin/src/main/java/org/deviceconnect/android/deviceplugin/midi/fragment/MidiDeviceSettingsFragment.java
+++ b/dConnectDevicePlugin/dConnectDeviceMidi/plugin/src/main/java/org/deviceconnect/android/deviceplugin/midi/fragment/MidiDeviceSettingsFragment.java
@@ -1,6 +1,6 @@
 /*
- HeartRateDeviceSettingsFragment
- Copyright (c) 2015 NTT DOCOMO,INC.
+ MidiDeviceSettingsFragment.java
+ Copyright (c) 2020 NTT DOCOMO,INC.
  Released under the MIT license
  http://opensource.org/licenses/mit-license.php
  */
diff --git a/dConnectDevicePlugin/dConnectDeviceMidi/plugin/src/main/java/org/deviceconnect/android/deviceplugin/midi/fragment/SettingsListPreferenceFragment.java b/dConnectDevicePlugin/dConnectDeviceMidi/plugin/src/main/java/org/deviceconnect/android/deviceplugin/midi/fragment/SettingsListPreferenceFragment.java
index fbb3a51287..e6a4fae356 100644
--- a/dConnectDevicePlugin/dConnectDeviceMidi/plugin/src/main/java/org/deviceconnect/android/deviceplugin/midi/fragment/SettingsListPreferenceFragment.java
+++ b/dConnectDevicePlugin/dConnectDeviceMidi/plugin/src/main/java/org/deviceconnect/android/deviceplugin/midi/fragment/SettingsListPreferenceFragment.java
@@ -1,3 +1,9 @@
+/*
+ SettingsListPreferenceFragment.java
+ Copyright (c) 2020 NTT DOCOMO,INC.
+ Released under the MIT license
+ http://opensource.org/licenses/mit-license.php
+ */
 package org.deviceconnect.android.deviceplugin.midi.fragment;
 
 import android.app.Activity;
@@ -12,6 +18,11 @@
 import org.deviceconnect.android.deviceplugin.midi.MidiDemoSettingActivity;
 import org.deviceconnect.android.deviceplugin.midi.R;
 
+/**
+ * Settings List Fragment.
+ *
+ * @author NTT DOCOMO, INC.
+ */
 public class SettingsListPreferenceFragment extends PreferenceFragmentCompat {
 
     @Override
diff --git a/dConnectDevicePlugin/dConnectDeviceMidi/plugin/src/main/java/org/deviceconnect/android/deviceplugin/midi/fragment/SummaryFragment.java b/dConnectDevicePlugin/dConnectDeviceMidi/plugin/src/main/java/org/deviceconnect/android/deviceplugin/midi/fragment/SummaryFragment.java
index a18c44dd95..e9ec966585 100644
--- a/dConnectDevicePlugin/dConnectDeviceMidi/plugin/src/main/java/org/deviceconnect/android/deviceplugin/midi/fragment/SummaryFragment.java
+++ b/dConnectDevicePlugin/dConnectDeviceMidi/plugin/src/main/java/org/deviceconnect/android/deviceplugin/midi/fragment/SummaryFragment.java
@@ -1,6 +1,6 @@
 /*
- SummaryFragment
- Copyright (c) 2015 NTT DOCOMO,INC.
+ SummaryFragment.java
+ Copyright (c) 2020 NTT DOCOMO,INC.
  Released under the MIT license
  http://opensource.org/licenses/mit-license.php
  */
diff --git a/dConnectDevicePlugin/dConnectDeviceMidi/plugin/src/main/java/org/deviceconnect/android/deviceplugin/midi/fragment/package-info.java b/dConnectDevicePlugin/dConnectDeviceMidi/plugin/src/main/java/org/deviceconnect/android/deviceplugin/midi/fragment/package-info.java
index 7ad9190057..70e87f5719 100755
--- a/dConnectDevicePlugin/dConnectDeviceMidi/plugin/src/main/java/org/deviceconnect/android/deviceplugin/midi/fragment/package-info.java
+++ b/dConnectDevicePlugin/dConnectDeviceMidi/plugin/src/main/java/org/deviceconnect/android/deviceplugin/midi/fragment/package-info.java
@@ -1,6 +1,6 @@
 /*
-org.deviceconnect.android.deviceplugin.heartrate.fragment
-Copyright (c) 2014 NTT DOCOMO,INC.
+org.deviceconnect.android.deviceplugin.midi.fragment
+Copyright (c) 2020 NTT DOCOMO,INC.
 Released under the MIT license
 http://opensource.org/licenses/mit-license.php
  */
diff --git a/dConnectDevicePlugin/dConnectDeviceMidi/plugin/src/main/java/org/deviceconnect/android/deviceplugin/midi/profiles/BaseMidiOutputProfile.java b/dConnectDevicePlugin/dConnectDeviceMidi/plugin/src/main/java/org/deviceconnect/android/deviceplugin/midi/profiles/BaseMidiOutputProfile.java
index 03fe10f946..5615281166 100644
--- a/dConnectDevicePlugin/dConnectDeviceMidi/plugin/src/main/java/org/deviceconnect/android/deviceplugin/midi/profiles/BaseMidiOutputProfile.java
+++ b/dConnectDevicePlugin/dConnectDeviceMidi/plugin/src/main/java/org/deviceconnect/android/deviceplugin/midi/profiles/BaseMidiOutputProfile.java
@@ -1,3 +1,9 @@
+/*
+ BaseMidiOutputProfile.java
+ Copyright (c) 2020 NTT DOCOMO,INC.
+ Released under the MIT license
+ http://opensource.org/licenses/mit-license.php
+ */
 package org.deviceconnect.android.deviceplugin.midi.profiles;
 
 import android.content.Intent;
@@ -17,6 +23,11 @@
 import java.util.List;
 import java.util.Map;
 
+/**
+ * MIDI 出力用プロファイルのベースクラス.
+ *
+ * @author NTT DOCOMO, INC.
+ */
 public abstract class BaseMidiOutputProfile extends BaseMidiProfile {
 
     private final Map<Class< ? extends MessageEvent>, MessageEvent> mLastEventList = new HashMap<>();
diff --git a/dConnectDevicePlugin/dConnectDeviceMidi/plugin/src/main/java/org/deviceconnect/android/deviceplugin/midi/profiles/BaseMidiProfile.java b/dConnectDevicePlugin/dConnectDeviceMidi/plugin/src/main/java/org/deviceconnect/android/deviceplugin/midi/profiles/BaseMidiProfile.java
index 377f29f141..c1ad43ccb3 100644
--- a/dConnectDevicePlugin/dConnectDeviceMidi/plugin/src/main/java/org/deviceconnect/android/deviceplugin/midi/profiles/BaseMidiProfile.java
+++ b/dConnectDevicePlugin/dConnectDeviceMidi/plugin/src/main/java/org/deviceconnect/android/deviceplugin/midi/profiles/BaseMidiProfile.java
@@ -1,7 +1,18 @@
+/*
+ BaseMidiProfile.java
+ Copyright (c) 2020 NTT DOCOMO,INC.
+ Released under the MIT license
+ http://opensource.org/licenses/mit-license.php
+ */
 package org.deviceconnect.android.deviceplugin.midi.profiles;
 
 import org.deviceconnect.android.profile.DConnectProfile;
 
+/**
+ * MIDI プロファイルのベースクラス.
+ *
+ * @author NTT DOCOMO, INC.
+ */
 abstract class BaseMidiProfile extends DConnectProfile {
 
 }
diff --git a/dConnectDevicePlugin/dConnectDeviceMidi/plugin/src/main/java/org/deviceconnect/android/deviceplugin/midi/profiles/MidiKeyEventProfile.java b/dConnectDevicePlugin/dConnectDeviceMidi/plugin/src/main/java/org/deviceconnect/android/deviceplugin/midi/profiles/MidiKeyEventProfile.java
index 75326dfbd7..36acd46005 100644
--- a/dConnectDevicePlugin/dConnectDeviceMidi/plugin/src/main/java/org/deviceconnect/android/deviceplugin/midi/profiles/MidiKeyEventProfile.java
+++ b/dConnectDevicePlugin/dConnectDeviceMidi/plugin/src/main/java/org/deviceconnect/android/deviceplugin/midi/profiles/MidiKeyEventProfile.java
@@ -1,3 +1,9 @@
+/*
+ MidiKeyEventProfile.java
+ Copyright (c) 2020 NTT DOCOMO,INC.
+ Released under the MIT license
+ http://opensource.org/licenses/mit-license.php
+ */
 package org.deviceconnect.android.deviceplugin.midi.profiles;
 
 import android.content.Intent;
@@ -15,6 +21,11 @@
 import java.util.List;
 import java.util.logging.Logger;
 
+/**
+ * KeyEvent プロファイルの実装.
+ *
+ * @author NTT DOCOMO, INC.
+ */
 public class MidiKeyEventProfile extends BaseMidiOutputProfile {
 
     /**
diff --git a/dConnectDevicePlugin/dConnectDeviceMidi/plugin/src/main/java/org/deviceconnect/android/deviceplugin/midi/profiles/MidiSoundControllerProfile.java b/dConnectDevicePlugin/dConnectDeviceMidi/plugin/src/main/java/org/deviceconnect/android/deviceplugin/midi/profiles/MidiSoundControllerProfile.java
index a54f8ec380..e47a95c46c 100644
--- a/dConnectDevicePlugin/dConnectDeviceMidi/plugin/src/main/java/org/deviceconnect/android/deviceplugin/midi/profiles/MidiSoundControllerProfile.java
+++ b/dConnectDevicePlugin/dConnectDeviceMidi/plugin/src/main/java/org/deviceconnect/android/deviceplugin/midi/profiles/MidiSoundControllerProfile.java
@@ -1,3 +1,9 @@
+/*
+ MidiSoundControllerProfile.java
+ Copyright (c) 2020 NTT DOCOMO,INC.
+ Released under the MIT license
+ http://opensource.org/licenses/mit-license.php
+ */
 package org.deviceconnect.android.deviceplugin.midi.profiles;
 
 import android.content.Intent;
@@ -15,6 +21,11 @@
 import java.util.List;
 import java.util.logging.Logger;
 
+/**
+ * SoundController プロファイルの実装.
+ *
+ * @author NTT DOCOMO, INC.
+ */
 public class MidiSoundControllerProfile extends BaseMidiOutputProfile {
 
     /**
diff --git a/dConnectDevicePlugin/dConnectDeviceMidi/plugin/src/main/java/org/deviceconnect/android/deviceplugin/midi/profiles/MidiSoundModuleProfile.java b/dConnectDevicePlugin/dConnectDeviceMidi/plugin/src/main/java/org/deviceconnect/android/deviceplugin/midi/profiles/MidiSoundModuleProfile.java
index 2ec89e9900..38d0862e2a 100644
--- a/dConnectDevicePlugin/dConnectDeviceMidi/plugin/src/main/java/org/deviceconnect/android/deviceplugin/midi/profiles/MidiSoundModuleProfile.java
+++ b/dConnectDevicePlugin/dConnectDeviceMidi/plugin/src/main/java/org/deviceconnect/android/deviceplugin/midi/profiles/MidiSoundModuleProfile.java
@@ -1,3 +1,9 @@
+/*
+ MidiSoundModuleProfile.java
+ Copyright (c) 2020 NTT DOCOMO,INC.
+ Released under the MIT license
+ http://opensource.org/licenses/mit-license.php
+ */
 package org.deviceconnect.android.deviceplugin.midi.profiles;
 
 import android.content.Intent;
@@ -14,6 +20,11 @@
 
 import java.io.IOException;
 
+/**
+ * SoundModule プロファイルの実装.
+ *
+ * @author NTT DOCOMO, INC.
+ */
 public class MidiSoundModuleProfile extends BaseMidiProfile {
 
     private final MidiMessageSender mMessageSender;
diff --git a/dConnectDevicePlugin/dConnectDeviceMidi/plugin/src/main/java/org/deviceconnect/android/deviceplugin/midi/profiles/MidiSystemProfile.java b/dConnectDevicePlugin/dConnectDeviceMidi/plugin/src/main/java/org/deviceconnect/android/deviceplugin/midi/profiles/MidiSystemProfile.java
index 027851121a..0ec7abe057 100644
--- a/dConnectDevicePlugin/dConnectDeviceMidi/plugin/src/main/java/org/deviceconnect/android/deviceplugin/midi/profiles/MidiSystemProfile.java
+++ b/dConnectDevicePlugin/dConnectDeviceMidi/plugin/src/main/java/org/deviceconnect/android/deviceplugin/midi/profiles/MidiSystemProfile.java
@@ -1,3 +1,9 @@
+/*
+ MidiSystemProfile.java
+ Copyright (c) 2020 NTT DOCOMO,INC.
+ Released under the MIT license
+ http://opensource.org/licenses/mit-license.php
+ */
 package org.deviceconnect.android.deviceplugin.midi.profiles;
 
 import android.app.Activity;
@@ -7,7 +13,11 @@
 import org.deviceconnect.android.deviceplugin.midi.DConnectMidiSettingsListActivity;
 import org.deviceconnect.android.profile.SystemProfile;
 
-
+/**
+ * System プロファイルの実装.
+ *
+ * @author NTT DOCOMO, INC.
+ */
 public class MidiSystemProfile extends SystemProfile {
     @Override
     protected Class<? extends Activity> getSettingPageActivity(final Intent request, final Bundle param) {
diff --git a/dConnectDevicePlugin/dConnectDeviceMidi/plugin/src/main/java/org/deviceconnect/android/deviceplugin/midi/profiles/MidiVolumeControllerProfile.java b/dConnectDevicePlugin/dConnectDeviceMidi/plugin/src/main/java/org/deviceconnect/android/deviceplugin/midi/profiles/MidiVolumeControllerProfile.java
index fb46edb381..f600d5b1e7 100644
--- a/dConnectDevicePlugin/dConnectDeviceMidi/plugin/src/main/java/org/deviceconnect/android/deviceplugin/midi/profiles/MidiVolumeControllerProfile.java
+++ b/dConnectDevicePlugin/dConnectDeviceMidi/plugin/src/main/java/org/deviceconnect/android/deviceplugin/midi/profiles/MidiVolumeControllerProfile.java
@@ -1,3 +1,9 @@
+/*
+ MidiVolumeControllerProfile.java
+ Copyright (c) 2020 NTT DOCOMO,INC.
+ Released under the MIT license
+ http://opensource.org/licenses/mit-license.php
+ */
 package org.deviceconnect.android.deviceplugin.midi.profiles;
 
 import android.content.Intent;
@@ -15,6 +21,11 @@
 
 import static org.deviceconnect.android.deviceplugin.midi.BuildConfig.DEBUG;
 
+/**
+ * VolumeController プロファイルの実装.
+ *
+ * @author NTT DOCOMO, INC.
+ */
 public class MidiVolumeControllerProfile extends BaseMidiOutputProfile {
 
     private final Logger mLogger = Logger.getLogger("midi-plugin");