From 6fc5ae66b8757aa71c9d8501aab54dbc071d55ad Mon Sep 17 00:00:00 2001
From: Albert Vaca Cintora <albertvaka@gmail.com>
Date: Mon, 5 Jun 2023 12:21:15 +0200
Subject: [PATCH] Add license headers to files missing it

---
 AndroidManifest.xml                                    |  7 +++++++
 res/color/state_list_drawer_text.xml                   |  7 +++++++
 res/layout/about_person_list_item_entry.xml            |  6 ++++++
 res/layout/activity_about_kde.xml                      |  9 ++++++++-
 res/layout/activity_bigscreen.xml                      |  9 ++++++++-
 res/layout/activity_clipboard_floating.xml             |  9 ++++++++-
 res/layout/activity_custom_devices.xml                 |  8 +++++++-
 res/layout/activity_device.xml                         |  8 ++++++++
 res/layout/activity_easter_egg.xml                     |  9 ++++++++-
 res/layout/activity_find_my_phone.xml                  |  8 +++++++-
 res/layout/activity_licenses.xml                       |  9 ++++++++-
 res/layout/activity_main.xml                           | 10 +++++++++-
 res/layout/activity_mousepad.xml                       |  8 +++++++-
 res/layout/activity_mpris.xml                          |  7 +++++++
 res/layout/activity_notification_filter.xml            |  9 ++++++++-
 res/layout/activity_plugin_settings.xml                |  8 +++++++-
 res/layout/activity_presenter.xml                      |  7 +++++++
 res/layout/activity_run_command.xml                    |  9 ++++++++-
 res/layout/activity_sendkeystrokes.xml                 |  9 ++++++++-
 res/layout/activity_share.xml                          |  9 ++++++++-
 res/layout/custom_device_item.xml                      |  9 ++++++++-
 res/layout/devices_list.xml                            |  9 ++++++++-
 res/layout/edit_text_alert_dialog_view.xml             |  6 ++++++
 res/layout/fragment_about.xml                          |  9 ++++++++-
 res/layout/fragment_storage_preference_dialog.xml      |  9 ++++++++-
 res/layout/list_card_entry.xml                         |  9 ++++++++-
 res/layout/list_item_category.xml                      |  7 +++++++
 res/layout/list_item_entry.xml                         |  6 ++++++
 res/layout/list_item_plugin_header.xml                 |  7 +++++++
 res/layout/list_item_systemvolume.xml                  |  9 ++++++++-
 res/layout/list_item_with_icon_entry.xml               |  6 ++++++
 res/layout/mouse_receiver_cursor.xml                   |  9 ++++++++-
 res/layout/mpris_control.xml                           |  6 ++++++
 res/layout/mpris_now_playing.xml                       |  9 ++++++++-
 res/layout/nav_header.xml                              |  7 +++++++
 res/layout/pairing_explanation_not_trusted.xml         |  7 +++++++
 res/layout/pairing_explanation_text.xml                |  7 +++++++
 res/layout/pairing_explanation_text_no_wifi.xml        |  7 +++++++
 res/layout/popup_notificationsfilter.xml               |  7 +++++++
 res/layout/preference_checkbox.xml                     |  9 ++++++++-
 res/layout/preference_widget_material_switch.xml       | 10 +++++++++-
 res/layout/privacy_options.xml                         |  7 +++++++
 res/layout/system_volume_fragment.xml                  |  9 ++++++++-
 res/layout/toolbar.xml                                 |  8 +++++++-
 res/layout/trusted_network_list.xml                    |  8 +++++++-
 res/layout/view_pair_error.xml                         |  9 ++++++++-
 res/layout/view_pair_request.xml                       |  9 ++++++++-
 res/layout/widget_remote_command_plugin_dialog.xml     |  9 ++++++++-
 res/layout/widget_remotecommandplugin.xml              |  9 ++++++++-
 res/menu/menu_licenses.xml                             |  7 +++++++
 res/menu/menu_mousepad.xml                             |  7 +++++++
 res/menu/menu_presenter.xml                            |  7 +++++++
 res/menu/pairing.xml                                   |  8 ++++++++
 res/menu/refresh.xml                                   |  8 ++++++++
 res/menu/runcommand_context.xml                        |  9 ++++++++-
 res/menu/sftp_settings_action_mode.xml                 |  9 ++++++++-
 res/values-land/consts.xml                             |  9 ++++++++-
 res/values-night-v31/colors.xml                        |  7 +++++++
 res/values-night/colors-night.xml                      |  7 +++++++
 res/values-notnight-v31/colors.xml                     |  7 +++++++
 res/values-v23/styles.xml                              |  9 ++++++++-
 res/values-v27/styles.xml                              |  7 +++++++
 res/values-w820dp/consts.xml                           |  9 ++++++++-
 res/values-w820dp/dimens.xml                           |  8 ++++++++
 res/values/attrs.xml                                   |  8 +++++++-
 res/values/colors.xml                                  |  9 ++++++++-
 res/values/consts.xml                                  |  9 ++++++++-
 res/values/dimens.xml                                  |  8 ++++++++
 res/values/strings.xml                                 |  7 +++++++
 res/values/styles.xml                                  |  6 ++++++
 res/xml/data_extraction_rules.xml                      |  7 +++++++
 res/xml/fileprovider_paths.xml                         |  7 +++++++
 res/xml/findmyphoneplugin_preferences.xml              |  9 ++++++++-
 res/xml/mouse_receiver_service.xml                     | 10 +++++++++-
 res/xml/mousepadplugin_preferences.xml                 |  7 +++++++
 res/xml/mprisplugin_preferences.xml                    |  7 +++++++
 res/xml/network_security_config.xml                    |  9 ++++++++-
 res/xml/remotecommandplugin_widget.xml                 |  7 +++++++
 res/xml/remotekeyboardplugin_keyboard.xml              |  7 +++++++
 res/xml/remotekeyboardplugin_method.xml                |  7 +++++++
 res/xml/remotekeyboardplugin_preferences.xml           |  7 +++++++
 res/xml/sftpplugin_preferences.xml                     |  9 ++++++++-
 res/xml/shareplugin_preferences.xml                    |  7 +++++++
 res/xml/smsplugin_preferences.xml                      |  7 +++++++
 res/xml/telephonyplugin_preferences.xml                |  9 ++++++++-
 .../BluetoothBackend/ConnectionMultiplexer.java        |  6 ++++++
 src/org/kde/kdeconnect/Device.java                     |  2 +-
 src/org/kde/kdeconnect/DevicePacketQueue.java          |  6 ++++++
 src/org/kde/kdeconnect/DeviceStats.java                |  6 ++++++
 src/org/kde/kdeconnect/Helpers/LifecycleHelper.java    |  6 ++++++
 src/org/kde/kdeconnect/Helpers/MediaStoreHelper.java   |  6 ++++++
 src/org/kde/kdeconnect/Helpers/NotificationHelper.java |  6 ++++++
 src/org/kde/kdeconnect/Helpers/RandomHelper.java       |  6 ++++++
 src/org/kde/kdeconnect/Helpers/ThreadHelper.kt         |  8 +++++++-
 .../kde/kdeconnect/Helpers/TrustedNetworkHelper.java   |  6 ++++++
 src/org/kde/kdeconnect/Helpers/VideoUrlsHelper.java    |  6 ++++++
 src/org/kde/kdeconnect/KdeConnect.java                 |  6 ++++++
 .../Plugins/BatteryPlugin/DeviceBatteryInfo.kt         |  8 +++++++-
 .../ConnectivityReportPlugin/SubscriptionState.java    |  6 ++++++
 .../Plugins/FindMyPhonePlugin/FindMyPhoneReceiver.java |  6 ++++++
 .../Plugins/MousePadPlugin/KeyInputConnection.java     |  8 +++++++-
 .../MousePadPlugin/PointerAccelerationProfile.java     |  6 ++++++
 .../PointerAccelerationProfileFactory.java             |  6 ++++++
 .../Plugins/MprisPlugin/ExtendedFragmentAdapter.java   |  6 ++++++
 .../Plugins/MprisPlugin/MprisNowPlayingFragment.java   |  6 ++++++
 .../Plugins/MprisPlugin/VolumeKeyListener.java         |  7 +++++++
 .../NotificationsPlugin/RepliableNotification.java     |  6 ++++++
 .../kdeconnect/Plugins/PhotoPlugin/PhotoActivity.java  |  6 ++++++
 .../RunCommandPlugin/RunCommandUrlActivity.java        |  6 ++++++
 .../RunCommandPlugin/RunCommandWidgetConfigActivity.kt |  6 ++++++
 .../RunCommandPlugin/RunCommandWidgetDataProvider.kt   |  6 ++++++
 .../RunCommandPlugin/RunCommandWidgetProvider.kt       |  6 ++++++
 .../SftpPlugin/StoragePreferenceDialogFragment.java    |  6 ++++++
 .../Plugins/SystemVolumePlugin/ItemGapDecoration.java  |  6 ++++++
 .../Plugins/SystemVolumePlugin/SinkItemCallback.java   |  6 ++++++
 .../Plugins/SystemVolumePlugin/SinkItemHolder.java     |  6 ++++++
 src/org/kde/kdeconnect/UserInterface/MainActivity.kt   |  6 ++++++
 .../kde/kdeconnect/UserInterface/PluginPreference.java |  6 ++++++
 .../kde/kdeconnect/UserInterface/SettingsFragment.java |  6 ++++++
 src/org/kde/kdeconnect/UserInterface/ThemeUtil.java    |  7 +++++++
 .../UserInterface/TrustedNetworksActivity.java         |  7 +++++++
 121 files changed, 851 insertions(+), 48 deletions(-)

diff --git a/AndroidManifest.xml b/AndroidManifest.xml
index 0ba7bdb2..2a78b22c 100644
--- a/AndroidManifest.xml
+++ b/AndroidManifest.xml
@@ -1,4 +1,11 @@
 <?xml version="1.0" encoding="utf-8"?>
+
+<!--
+SPDX-FileCopyrightText: 2023 Albert Vaca Cintora <albertvaka@gmail.com>
+
+SPDX-License-Identifier: GPL-2.0-only OR GPL-3.0-only OR LicenseRef-KDE-Accepted-GPL
+-->
+
 <manifest xmlns:android="http://schemas.android.com/apk/res/android"
     xmlns:tools="http://schemas.android.com/tools"
     package="org.kde.kdeconnect_tp"
diff --git a/res/color/state_list_drawer_text.xml b/res/color/state_list_drawer_text.xml
index f56d0544..0012c9b7 100644
--- a/res/color/state_list_drawer_text.xml
+++ b/res/color/state_list_drawer_text.xml
@@ -1,4 +1,11 @@
 <?xml version="1.0" encoding="utf-8"?>
+
+<!--
+SPDX-FileCopyrightText: 2023 Albert Vaca Cintora <albertvaka@gmail.com>
+
+SPDX-License-Identifier: GPL-2.0-only OR GPL-3.0-only OR LicenseRef-KDE-Accepted-GPL
+-->
+
 <selector xmlns:android="http://schemas.android.com/apk/res/android">
     <item android:color="#FFFFFF" android:state_checked="true" />
     <item android:color="#000000" android:state_checked="false" />
diff --git a/res/layout/about_person_list_item_entry.xml b/res/layout/about_person_list_item_entry.xml
index 9a80d468..06c17d8d 100644
--- a/res/layout/about_person_list_item_entry.xml
+++ b/res/layout/about_person_list_item_entry.xml
@@ -1,5 +1,11 @@
 <?xml version="1.0" encoding="utf-8"?>
 
+<!--
+SPDX-FileCopyrightText: 2021 Maxim Leshchenko <cnmaks90@gmail.com>
+
+SPDX-License-Identifier: GPL-2.0-only OR GPL-3.0-only OR LicenseRef-KDE-Accepted-GPL
+-->
+
 <LinearLayout xmlns:android="http://schemas.android.com/apk/res/android"
     xmlns:app="http://schemas.android.com/apk/res-auto"
     android:layout_width="match_parent"
diff --git a/res/layout/activity_about_kde.xml b/res/layout/activity_about_kde.xml
index 49be1a68..1e5d1764 100644
--- a/res/layout/activity_about_kde.xml
+++ b/res/layout/activity_about_kde.xml
@@ -1,4 +1,11 @@
 <?xml version="1.0" encoding="utf-8"?>
+
+<!--
+SPDX-FileCopyrightText: 2021 Maxim Leshchenko <cnmaks90@gmail.com>
+
+SPDX-License-Identifier: GPL-2.0-only OR GPL-3.0-only OR LicenseRef-KDE-Accepted-GPL
+-->
+
 <androidx.coordinatorlayout.widget.CoordinatorLayout
     xmlns:android="http://schemas.android.com/apk/res/android"
     xmlns:app="http://schemas.android.com/apk/res-auto"
@@ -127,4 +134,4 @@
                 android:src="@drawable/konqi" />
         </LinearLayout>
     </ScrollView>
-</androidx.coordinatorlayout.widget.CoordinatorLayout>
\ No newline at end of file
+</androidx.coordinatorlayout.widget.CoordinatorLayout>
diff --git a/res/layout/activity_bigscreen.xml b/res/layout/activity_bigscreen.xml
index b32e989f..e2edc725 100644
--- a/res/layout/activity_bigscreen.xml
+++ b/res/layout/activity_bigscreen.xml
@@ -1,4 +1,11 @@
 <?xml version="1.0" encoding="utf-8"?>
+
+<!--
+SPDX-FileCopyrightText: 2020 Sylvia van Os <sylvia@hackerchick.me>
+
+SPDX-License-Identifier: GPL-2.0-only OR GPL-3.0-only OR LicenseRef-KDE-Accepted-GPL
+-->
+
 <androidx.coordinatorlayout.widget.CoordinatorLayout
     xmlns:android="http://schemas.android.com/apk/res/android"
     xmlns:app="http://schemas.android.com/apk/res-auto"
@@ -86,4 +93,4 @@
             app:icon="@drawable/ic_arrow_downward_black_24dp"
             style="@style/KdeConnectButton.IconButton"  />
     </androidx.gridlayout.widget.GridLayout>
-</androidx.coordinatorlayout.widget.CoordinatorLayout>
\ No newline at end of file
+</androidx.coordinatorlayout.widget.CoordinatorLayout>
diff --git a/res/layout/activity_clipboard_floating.xml b/res/layout/activity_clipboard_floating.xml
index 84320d0e..7b17ca79 100644
--- a/res/layout/activity_clipboard_floating.xml
+++ b/res/layout/activity_clipboard_floating.xml
@@ -1,4 +1,11 @@
 <?xml version="1.0" encoding="utf-8"?>
+
+<!--
+SPDX-FileCopyrightText: 2020 Anjani Kumar <anjanik012@gmail.com>
+
+SPDX-License-Identifier: GPL-2.0-only OR GPL-3.0-only OR LicenseRef-KDE-Accepted-GPL
+-->
+
 <LinearLayout xmlns:android="http://schemas.android.com/apk/res/android"
     android:orientation="vertical" android:layout_width="match_parent"
     android:layout_height="match_parent">
@@ -9,4 +16,4 @@
         android:layout_height="wrap_content"
         android:alpha="0"
         android:text="@string/pref_plugin_clipboard" />
-</LinearLayout>
\ No newline at end of file
+</LinearLayout>
diff --git a/res/layout/activity_custom_devices.xml b/res/layout/activity_custom_devices.xml
index 12a25f60..6df225d4 100644
--- a/res/layout/activity_custom_devices.xml
+++ b/res/layout/activity_custom_devices.xml
@@ -1,5 +1,11 @@
 <?xml version="1.0" encoding="utf-8"?>
 
+<!--
+SPDX-FileCopyrightText: 2019 Erik Duisters <e.duisters1@gmail.com>
+
+SPDX-License-Identifier: GPL-2.0-only OR GPL-3.0-only OR LicenseRef-KDE-Accepted-GPL
+-->
+
 <androidx.coordinatorlayout.widget.CoordinatorLayout
     xmlns:android="http://schemas.android.com/apk/res/android"
     xmlns:app="http://schemas.android.com/apk/res-auto"
@@ -44,4 +50,4 @@
             app:elevation="@dimen/fab_elevation"
             android:src="@drawable/ic_add"/>
     </androidx.coordinatorlayout.widget.CoordinatorLayout>
-</androidx.coordinatorlayout.widget.CoordinatorLayout>
\ No newline at end of file
+</androidx.coordinatorlayout.widget.CoordinatorLayout>
diff --git a/res/layout/activity_device.xml b/res/layout/activity_device.xml
index f336761e..10a282f6 100644
--- a/res/layout/activity_device.xml
+++ b/res/layout/activity_device.xml
@@ -1,3 +1,11 @@
+<?xml version="1.0" encoding="utf-8"?>
+
+<!--
+SPDX-FileCopyrightText: 2023 Albert Vaca Cintora <albertvaka@gmail.com>
+
+SPDX-License-Identifier: GPL-2.0-only OR GPL-3.0-only OR LicenseRef-KDE-Accepted-GPL
+-->
+
 <FrameLayout xmlns:android="http://schemas.android.com/apk/res/android"
     xmlns:tools="http://schemas.android.com/tools"
     android:layout_width="match_parent"
diff --git a/res/layout/activity_easter_egg.xml b/res/layout/activity_easter_egg.xml
index 60b7f7d2..316de536 100644
--- a/res/layout/activity_easter_egg.xml
+++ b/res/layout/activity_easter_egg.xml
@@ -1,4 +1,11 @@
 <?xml version="1.0" encoding="utf-8"?>
+
+<!--
+SPDX-FileCopyrightText: 2021 Maxim Leshchenko <cnmaks90@gmail.com>
+
+SPDX-License-Identifier: GPL-2.0-only OR GPL-3.0-only OR LicenseRef-KDE-Accepted-GPL
+-->
+
 <LinearLayout xmlns:android="http://schemas.android.com/apk/res/android"
     xmlns:tools="http://schemas.android.com/tools"
     android:id="@+id/easter_egg_layout"
@@ -21,4 +28,4 @@
         android:layout_height="wrap_content"
         android:textColor="@android:color/white"
         tools:text="90°"/>
-</LinearLayout>
\ No newline at end of file
+</LinearLayout>
diff --git a/res/layout/activity_find_my_phone.xml b/res/layout/activity_find_my_phone.xml
index 8d01b03f..e4fc38cf 100644
--- a/res/layout/activity_find_my_phone.xml
+++ b/res/layout/activity_find_my_phone.xml
@@ -1,5 +1,11 @@
 <?xml version="1.0" encoding="utf-8"?>
 
+<!--
+SPDX-FileCopyrightText: 2015 David Edmundson <kde@davidedmundson.co.uk>
+
+SPDX-License-Identifier: GPL-2.0-only OR GPL-3.0-only OR LicenseRef-KDE-Accepted-GPL
+-->
+
 <androidx.coordinatorlayout.widget.CoordinatorLayout
     xmlns:android="http://schemas.android.com/apk/res/android"
     xmlns:app="http://schemas.android.com/apk/res-auto"
@@ -29,4 +35,4 @@
             android:textSize="50sp" />
 
     </RelativeLayout>
-</androidx.coordinatorlayout.widget.CoordinatorLayout>
\ No newline at end of file
+</androidx.coordinatorlayout.widget.CoordinatorLayout>
diff --git a/res/layout/activity_licenses.xml b/res/layout/activity_licenses.xml
index c8480fee..b878ac01 100644
--- a/res/layout/activity_licenses.xml
+++ b/res/layout/activity_licenses.xml
@@ -1,4 +1,11 @@
 <?xml version="1.0" encoding="utf-8"?>
+
+<!--
+SPDX-FileCopyrightText: 2019 Maxim Leshchenko <cnmaks90@gmail.com>
+
+SPDX-License-Identifier: GPL-2.0-only OR GPL-3.0-only OR LicenseRef-KDE-Accepted-GPL
+-->
+
 <androidx.coordinatorlayout.widget.CoordinatorLayout xmlns:android="http://schemas.android.com/apk/res/android"
     android:layout_width="match_parent"
     android:layout_height="match_parent"
@@ -14,4 +21,4 @@
         app:layout_behavior="@string/appbar_scrolling_view_behavior"
         android:layout_width="match_parent"
         android:layout_height="match_parent" />
-</androidx.coordinatorlayout.widget.CoordinatorLayout>
\ No newline at end of file
+</androidx.coordinatorlayout.widget.CoordinatorLayout>
diff --git a/res/layout/activity_main.xml b/res/layout/activity_main.xml
index 75ff6581..c294ce83 100644
--- a/res/layout/activity_main.xml
+++ b/res/layout/activity_main.xml
@@ -1,3 +1,11 @@
+<?xml version="1.0" encoding="utf-8"?>
+
+<!--
+SPDX-FileCopyrightText: 2023 Albert Vaca Cintora <albertvaka@gmail.com>
+
+SPDX-License-Identifier: GPL-2.0-only OR GPL-3.0-only OR LicenseRef-KDE-Accepted-GPL
+-->
+
 <androidx.drawerlayout.widget.DrawerLayout
     xmlns:android="http://schemas.android.com/apk/res/android"
     xmlns:app="http://schemas.android.com/apk/res-auto"
@@ -30,4 +38,4 @@
         android:layout_gravity="start"
         app:headerLayout="@layout/nav_header"/>
 
-</androidx.drawerlayout.widget.DrawerLayout>
\ No newline at end of file
+</androidx.drawerlayout.widget.DrawerLayout>
diff --git a/res/layout/activity_mousepad.xml b/res/layout/activity_mousepad.xml
index a0765e0b..09ac6bca 100644
--- a/res/layout/activity_mousepad.xml
+++ b/res/layout/activity_mousepad.xml
@@ -1,5 +1,11 @@
 <?xml version="1.0" encoding="utf-8"?>
 
+<!--
+SPDX-FileCopyrightText: 2014 Ahmed I. Khalil <ahmedibrahimkhali@gmail.com>
+
+SPDX-License-Identifier: GPL-2.0-only OR GPL-3.0-only OR LicenseRef-KDE-Accepted-GPL
+-->
+
 <androidx.coordinatorlayout.widget.CoordinatorLayout
     xmlns:android="http://schemas.android.com/apk/res/android"
     xmlns:app="http://schemas.android.com/apk/res-auto"
@@ -65,4 +71,4 @@
 
         </LinearLayout>
     </RelativeLayout>
-</androidx.coordinatorlayout.widget.CoordinatorLayout>
\ No newline at end of file
+</androidx.coordinatorlayout.widget.CoordinatorLayout>
diff --git a/res/layout/activity_mpris.xml b/res/layout/activity_mpris.xml
index ae79ca48..66d987e1 100644
--- a/res/layout/activity_mpris.xml
+++ b/res/layout/activity_mpris.xml
@@ -1,4 +1,11 @@
 <?xml version="1.0" encoding="utf-8"?>
+
+<!--
+SPDX-FileCopyrightText: 2017 Matthijs Tijink <matthijstijink@gmail.com>
+
+SPDX-License-Identifier: GPL-2.0-only OR GPL-3.0-only OR LicenseRef-KDE-Accepted-GPL
+-->
+
 <androidx.coordinatorlayout.widget.CoordinatorLayout
     xmlns:android="http://schemas.android.com/apk/res/android"
     xmlns:tools="http://schemas.android.com/tools"
diff --git a/res/layout/activity_notification_filter.xml b/res/layout/activity_notification_filter.xml
index 54049a9e..6068ed39 100644
--- a/res/layout/activity_notification_filter.xml
+++ b/res/layout/activity_notification_filter.xml
@@ -1,4 +1,11 @@
 <?xml version="1.0" encoding="utf-8"?>
+
+<!--
+SPDX-FileCopyrightText: 2015 Vineet Garg <grg.vineet@gmail.com>
+
+SPDX-License-Identifier: GPL-2.0-only OR GPL-3.0-only OR LicenseRef-KDE-Accepted-GPL
+-->
+
 <androidx.coordinatorlayout.widget.CoordinatorLayout
     xmlns:android="http://schemas.android.com/apk/res/android"
     xmlns:app="http://schemas.android.com/apk/res-auto"
@@ -52,4 +59,4 @@
             android:dividerHeight="4dp" />
 
     </LinearLayout>
-</androidx.coordinatorlayout.widget.CoordinatorLayout>
\ No newline at end of file
+</androidx.coordinatorlayout.widget.CoordinatorLayout>
diff --git a/res/layout/activity_plugin_settings.xml b/res/layout/activity_plugin_settings.xml
index c3fe1e70..fbc69eac 100644
--- a/res/layout/activity_plugin_settings.xml
+++ b/res/layout/activity_plugin_settings.xml
@@ -1,5 +1,11 @@
 <?xml version="1.0" encoding="utf-8"?>
 
+<!--
+SPDX-FileCopyrightText: 2019 Erik Duisters <e.duisters1@gmail.com>
+
+SPDX-License-Identifier: GPL-2.0-only OR GPL-3.0-only OR LicenseRef-KDE-Accepted-GPL
+-->
+
 <androidx.coordinatorlayout.widget.CoordinatorLayout
     xmlns:android="http://schemas.android.com/apk/res/android"
     xmlns:app="http://schemas.android.com/apk/res-auto"
@@ -17,4 +23,4 @@
         android:layout_width="match_parent"
         android:layout_height="match_parent"
         app:layout_behavior="@string/appbar_scrolling_view_behavior"/>
-</androidx.coordinatorlayout.widget.CoordinatorLayout>
\ No newline at end of file
+</androidx.coordinatorlayout.widget.CoordinatorLayout>
diff --git a/res/layout/activity_presenter.xml b/res/layout/activity_presenter.xml
index 032d6486..94737c90 100644
--- a/res/layout/activity_presenter.xml
+++ b/res/layout/activity_presenter.xml
@@ -1,4 +1,11 @@
 <?xml version="1.0" encoding="utf-8"?>
+
+<!--
+SPDX-FileCopyrightText: 2023 Albert Vaca Cintora <albertvaka@gmail.com>
+
+SPDX-License-Identifier: GPL-2.0-only OR GPL-3.0-only OR LicenseRef-KDE-Accepted-GPL
+-->
+
 <androidx.coordinatorlayout.widget.CoordinatorLayout
     xmlns:android="http://schemas.android.com/apk/res/android"
     xmlns:app="http://schemas.android.com/apk/res-auto"
diff --git a/res/layout/activity_run_command.xml b/res/layout/activity_run_command.xml
index 33565c5b..1084b662 100644
--- a/res/layout/activity_run_command.xml
+++ b/res/layout/activity_run_command.xml
@@ -1,4 +1,11 @@
 <?xml version="1.0" encoding="utf-8"?>
+
+<!--
+SPDX-FileCopyrightText: 2018 Nicolas Fella <nicolas.fella@gmx.de
+
+SPDX-License-Identifier: GPL-2.0-only OR GPL-3.0-only OR LicenseRef-KDE-Accepted-GPL
+-->
+
 <androidx.coordinatorlayout.widget.CoordinatorLayout
     xmlns:android="http://schemas.android.com/apk/res/android"
     xmlns:app="http://schemas.android.com/apk/res-auto"
@@ -45,4 +52,4 @@
             android:textSize="16sp" />
 
     </androidx.coordinatorlayout.widget.CoordinatorLayout>
-</androidx.coordinatorlayout.widget.CoordinatorLayout>
\ No newline at end of file
+</androidx.coordinatorlayout.widget.CoordinatorLayout>
diff --git a/res/layout/activity_sendkeystrokes.xml b/res/layout/activity_sendkeystrokes.xml
index b22481b3..698ea462 100644
--- a/res/layout/activity_sendkeystrokes.xml
+++ b/res/layout/activity_sendkeystrokes.xml
@@ -1,4 +1,11 @@
 <?xml version="1.0" encoding="utf-8"?>
+
+<!--
+SPDX-FileCopyrightText: 2021 Daniel Weigl <danielweigl@gmx.at>
+
+SPDX-License-Identifier: GPL-2.0-only OR GPL-3.0-only OR LicenseRef-KDE-Accepted-GPL
+-->
+
 <androidx.coordinatorlayout.widget.CoordinatorLayout
     xmlns:android="http://schemas.android.com/apk/res/android"
     xmlns:app="http://schemas.android.com/apk/res-auto"
@@ -52,4 +59,4 @@
             android:paddingTop="8dp"
             tools:context=".MainActivity" />
     </LinearLayout>
-</androidx.coordinatorlayout.widget.CoordinatorLayout>
\ No newline at end of file
+</androidx.coordinatorlayout.widget.CoordinatorLayout>
diff --git a/res/layout/activity_share.xml b/res/layout/activity_share.xml
index c0a55b34..a468cafa 100644
--- a/res/layout/activity_share.xml
+++ b/res/layout/activity_share.xml
@@ -1,4 +1,11 @@
 <?xml version="1.0" encoding="utf-8"?>
+
+<!--
+SPDX-FileCopyrightText: 2021 Maxim Leshchenko <cnmaks90@gmail.com>
+
+SPDX-License-Identifier: GPL-2.0-only OR GPL-3.0-only OR LicenseRef-KDE-Accepted-GPL
+-->
+
 <androidx.coordinatorlayout.widget.CoordinatorLayout
     xmlns:android="http://schemas.android.com/apk/res/android"
     xmlns:app="http://schemas.android.com/apk/res-auto"
@@ -18,4 +25,4 @@
             layout="@layout/devices_list"
             android:id="@+id/devices_list_layout" />
     </androidx.coordinatorlayout.widget.CoordinatorLayout>
-</androidx.coordinatorlayout.widget.CoordinatorLayout>
\ No newline at end of file
+</androidx.coordinatorlayout.widget.CoordinatorLayout>
diff --git a/res/layout/custom_device_item.xml b/res/layout/custom_device_item.xml
index dd7ecceb..90724096 100644
--- a/res/layout/custom_device_item.xml
+++ b/res/layout/custom_device_item.xml
@@ -1,4 +1,11 @@
 <?xml version="1.0" encoding="utf-8"?>
+
+<!--
+SPDX-FileCopyrightText: 2019 Erik Duisters <e.duisters1@gmail.com>
+
+SPDX-License-Identifier: GPL-2.0-only OR GPL-3.0-only OR LicenseRef-KDE-Accepted-GPL
+-->
+
 <FrameLayout
     xmlns:android="http://schemas.android.com/apk/res/android"
     xmlns:app="http://schemas.android.com/apk/res-auto"
@@ -38,4 +45,4 @@
 
     </FrameLayout>
 
-</FrameLayout>
\ No newline at end of file
+</FrameLayout>
diff --git a/res/layout/devices_list.xml b/res/layout/devices_list.xml
index 2f04ca61..b8bfee7b 100644
--- a/res/layout/devices_list.xml
+++ b/res/layout/devices_list.xml
@@ -1,4 +1,11 @@
 <?xml version="1.0" encoding="utf-8"?>
+
+<!--
+SPDX-FileCopyrightText: 2017 Zixing Liu <liushuyu@protonmail.com>
+
+SPDX-License-Identifier: GPL-2.0-only OR GPL-3.0-only OR LicenseRef-KDE-Accepted-GPL
+-->
+
 <androidx.swiperefreshlayout.widget.SwipeRefreshLayout xmlns:android="http://schemas.android.com/apk/res/android"
     xmlns:tools="http://schemas.android.com/tools"
     android:id="@+id/refresh_list_layout"
@@ -17,4 +24,4 @@
         tools:listitem="@layout/list_card_entry"
         tools:context=".MainActivity" />
 
-</androidx.swiperefreshlayout.widget.SwipeRefreshLayout>
\ No newline at end of file
+</androidx.swiperefreshlayout.widget.SwipeRefreshLayout>
diff --git a/res/layout/edit_text_alert_dialog_view.xml b/res/layout/edit_text_alert_dialog_view.xml
index 0eceb016..3c99b2ce 100644
--- a/res/layout/edit_text_alert_dialog_view.xml
+++ b/res/layout/edit_text_alert_dialog_view.xml
@@ -1,5 +1,11 @@
 <?xml version="1.0" encoding="utf-8"?>
 
+<!--
+SPDX-FileCopyrightText: 2019 Erik Duisters <e.duisters1@gmail.com>
+
+SPDX-License-Identifier: GPL-2.0-only OR GPL-3.0-only OR LicenseRef-KDE-Accepted-GPL
+-->
+
 <FrameLayout
     xmlns:android="http://schemas.android.com/apk/res/android"
     xmlns:app="http://schemas.android.com/apk/res-auto"
diff --git a/res/layout/fragment_about.xml b/res/layout/fragment_about.xml
index 2c0f43b1..c5903a5f 100644
--- a/res/layout/fragment_about.xml
+++ b/res/layout/fragment_about.xml
@@ -1,4 +1,11 @@
 <?xml version="1.0" encoding="utf-8"?>
+
+<!--
+SPDX-FileCopyrightText: 2021 Maxim Leshchenko <cnmaks90@gmail.com>
+
+SPDX-License-Identifier: GPL-2.0-only OR GPL-3.0-only OR LicenseRef-KDE-Accepted-GPL
+-->
+
 <ScrollView xmlns:android="http://schemas.android.com/apk/res/android"
     xmlns:tools="http://schemas.android.com/tools"
     android:layout_width="match_parent"
@@ -175,4 +182,4 @@
             </LinearLayout>
         </com.google.android.material.card.MaterialCardView>
     </LinearLayout>
-</ScrollView>
\ No newline at end of file
+</ScrollView>
diff --git a/res/layout/fragment_storage_preference_dialog.xml b/res/layout/fragment_storage_preference_dialog.xml
index 6e6c20b4..b0e4a732 100644
--- a/res/layout/fragment_storage_preference_dialog.xml
+++ b/res/layout/fragment_storage_preference_dialog.xml
@@ -1,4 +1,11 @@
 <?xml version="1.0" encoding="utf-8"?>
+
+<!--
+SPDX-FileCopyrightText: 2019 Erik Duisters <e.duisters1@gmail.com>
+
+SPDX-License-Identifier: GPL-2.0-only OR GPL-3.0-only OR LicenseRef-KDE-Accepted-GPL
+-->
+
 <LinearLayout
     xmlns:android="http://schemas.android.com/apk/res/android"
     xmlns:app="http://schemas.android.com/apk/res-auto"
@@ -55,4 +62,4 @@
             android:inputType="text"/>
     </com.google.android.material.textfield.TextInputLayout>
 
-</LinearLayout>
\ No newline at end of file
+</LinearLayout>
diff --git a/res/layout/list_card_entry.xml b/res/layout/list_card_entry.xml
index b8c4c66a..8cb6d833 100644
--- a/res/layout/list_card_entry.xml
+++ b/res/layout/list_card_entry.xml
@@ -1,4 +1,11 @@
 <?xml version="1.0" encoding="utf-8"?>
+
+<!--
+SPDX-FileCopyrightText: 2023 Dmitry Yudin <dgyudin@gmail.com>
+
+SPDX-License-Identifier: GPL-2.0-only OR GPL-3.0-only OR LicenseRef-KDE-Accepted-GPL
+-->
+
 <com.google.android.material.card.MaterialCardView xmlns:android="http://schemas.android.com/apk/res/android"
     xmlns:app="http://schemas.android.com/apk/res-auto"
     xmlns:tools="http://schemas.android.com/tools"
@@ -41,4 +48,4 @@
                 tools:maxLength="30"
                 tools:text="@tools:sample/lorem/random" />
     </LinearLayout>
-</com.google.android.material.card.MaterialCardView>
\ No newline at end of file
+</com.google.android.material.card.MaterialCardView>
diff --git a/res/layout/list_item_category.xml b/res/layout/list_item_category.xml
index 57aafc3e..31ddff92 100644
--- a/res/layout/list_item_category.xml
+++ b/res/layout/list_item_category.xml
@@ -1,4 +1,11 @@
 <?xml version="1.0" encoding="utf-8"?>
+
+<!--
+SPDX-FileCopyrightText: 2023 Albert Vaca Cintora <albertvaka@gmail.com>
+
+SPDX-License-Identifier: GPL-2.0-only OR GPL-3.0-only OR LicenseRef-KDE-Accepted-GPL
+-->
+
 <LinearLayout xmlns:android="http://schemas.android.com/apk/res/android"
     android:layout_width="fill_parent"
     android:layout_height="wrap_content"
diff --git a/res/layout/list_item_entry.xml b/res/layout/list_item_entry.xml
index 549822b9..351abac1 100644
--- a/res/layout/list_item_entry.xml
+++ b/res/layout/list_item_entry.xml
@@ -1,5 +1,11 @@
 <?xml version="1.0" encoding="utf-8"?>
 
+<!--
+SPDX-FileCopyrightText: 2023 Albert Vaca Cintora <albertvaka@gmail.com>
+
+SPDX-License-Identifier: GPL-2.0-only OR GPL-3.0-only OR LicenseRef-KDE-Accepted-GPL
+-->
+
 <LinearLayout xmlns:android="http://schemas.android.com/apk/res/android"
     android:layout_width="fill_parent"
     android:layout_height="wrap_content"
diff --git a/res/layout/list_item_plugin_header.xml b/res/layout/list_item_plugin_header.xml
index 8be08ed6..4d3644c2 100644
--- a/res/layout/list_item_plugin_header.xml
+++ b/res/layout/list_item_plugin_header.xml
@@ -1,4 +1,11 @@
 <?xml version="1.0" encoding="utf-8"?>
+
+<!--
+SPDX-FileCopyrightText: 2019 Nicolas Fella <nicolas.fella@gmx.de>
+
+SPDX-License-Identifier: GPL-2.0-only OR GPL-3.0-only OR LicenseRef-KDE-Accepted-GPL
+-->
+
 <TextView xmlns:android="http://schemas.android.com/apk/res/android"
     xmlns:tools="http://schemas.android.com/tools"
     android:layout_width="match_parent"
diff --git a/res/layout/list_item_systemvolume.xml b/res/layout/list_item_systemvolume.xml
index a77ecc8c..62c4a1ce 100644
--- a/res/layout/list_item_systemvolume.xml
+++ b/res/layout/list_item_systemvolume.xml
@@ -1,4 +1,11 @@
 <?xml version="1.0" encoding="utf-8"?>
+
+<!--
+SPDX-FileCopyrightText: 2018 Nicolas Fella <nicolas.fella@gmx.de
+
+SPDX-License-Identifier: GPL-2.0-only OR GPL-3.0-only OR LicenseRef-KDE-Accepted-GPL
+-->
+
 <com.google.android.material.card.MaterialCardView xmlns:android="http://schemas.android.com/apk/res/android"
     xmlns:app="http://schemas.android.com/apk/res-auto"
     xmlns:tools="http://schemas.android.com/tools"
@@ -55,4 +62,4 @@
 
         </LinearLayout>
     </LinearLayout>
-</com.google.android.material.card.MaterialCardView>
\ No newline at end of file
+</com.google.android.material.card.MaterialCardView>
diff --git a/res/layout/list_item_with_icon_entry.xml b/res/layout/list_item_with_icon_entry.xml
index bdf91ea6..94af8a05 100644
--- a/res/layout/list_item_with_icon_entry.xml
+++ b/res/layout/list_item_with_icon_entry.xml
@@ -1,5 +1,11 @@
 <?xml version="1.0" encoding="utf-8"?>
 
+<!--
+SPDX-FileCopyrightText: 2023 Albert Vaca Cintora <albertvaka@gmail.com>
+
+SPDX-License-Identifier: GPL-2.0-only OR GPL-3.0-only OR LicenseRef-KDE-Accepted-GPL
+-->
+
 <LinearLayout
     xmlns:android="http://schemas.android.com/apk/res/android"
     xmlns:app="http://schemas.android.com/apk/res-auto"
diff --git a/res/layout/mouse_receiver_cursor.xml b/res/layout/mouse_receiver_cursor.xml
index af8b4b10..5749f092 100644
--- a/res/layout/mouse_receiver_cursor.xml
+++ b/res/layout/mouse_receiver_cursor.xml
@@ -1,4 +1,11 @@
 <?xml version="1.0" encoding="utf-8"?>
+
+<!--
+SPDX-FileCopyrightText: 2021 Sohny Bohny <sohny.bean@streber24.de>
+
+SPDX-License-Identifier: GPL-2.0-only OR GPL-3.0-only OR LicenseRef-KDE-Accepted-GPL
+-->
+
 <RelativeLayout xmlns:android="http://schemas.android.com/apk/res/android"
     android:orientation="vertical" android:layout_width="wrap_content"
     android:layout_height="wrap_content">
@@ -8,4 +15,4 @@
         android:layout_height="wrap_content"
         android:id="@+id/mouse_cursor"
         android:src="@drawable/mouse_pointer" />
-</RelativeLayout>
\ No newline at end of file
+</RelativeLayout>
diff --git a/res/layout/mpris_control.xml b/res/layout/mpris_control.xml
index b8169fce..76b6b7a7 100644
--- a/res/layout/mpris_control.xml
+++ b/res/layout/mpris_control.xml
@@ -1,5 +1,11 @@
 <?xml version="1.0" encoding="utf-8"?>
 
+<!--
+SPDX-FileCopyrightText: 2023 Albert Vaca Cintora <albertvaka@gmail.com>
+
+SPDX-License-Identifier: GPL-2.0-only OR GPL-3.0-only OR LicenseRef-KDE-Accepted-GPL
+-->
+
 <LinearLayout xmlns:android="http://schemas.android.com/apk/res/android"
     xmlns:app="http://schemas.android.com/apk/res-auto"
     android:id="@+id/mpris_control_view"
diff --git a/res/layout/mpris_now_playing.xml b/res/layout/mpris_now_playing.xml
index ea6b617d..13d80220 100644
--- a/res/layout/mpris_now_playing.xml
+++ b/res/layout/mpris_now_playing.xml
@@ -1,4 +1,11 @@
 <?xml version="1.0" encoding="utf-8"?>
+
+<!--
+SPDX-FileCopyrightText: 2021 Art Pinch <leonardo906@mail.ru>
+
+SPDX-License-Identifier: GPL-2.0-only OR GPL-3.0-only OR LicenseRef-KDE-Accepted-GPL
+-->
+
 <LinearLayout xmlns:android="http://schemas.android.com/apk/res/android"
     android:layout_width="match_parent"
     android:layout_height="match_parent"
@@ -22,4 +29,4 @@
         android:layout_height="@dimen/mpris_now_playing_controls_height"
         android:layout_weight="@integer/mpris_now_playing_controls_weight" />
 
-</LinearLayout>
\ No newline at end of file
+</LinearLayout>
diff --git a/res/layout/nav_header.xml b/res/layout/nav_header.xml
index 515491b8..cf43e51e 100644
--- a/res/layout/nav_header.xml
+++ b/res/layout/nav_header.xml
@@ -1,4 +1,11 @@
 <?xml version="1.0" encoding="utf-8"?>
+
+<!--
+SPDX-FileCopyrightText: 2023 Albert Vaca Cintora <albertvaka@gmail.com>
+
+SPDX-License-Identifier: GPL-2.0-only OR GPL-3.0-only OR LicenseRef-KDE-Accepted-GPL
+-->
+
 <FrameLayout xmlns:android="http://schemas.android.com/apk/res/android"
     xmlns:tools="http://schemas.android.com/tools"
     android:layout_width="match_parent"
diff --git a/res/layout/pairing_explanation_not_trusted.xml b/res/layout/pairing_explanation_not_trusted.xml
index fcdcf4dd..346f005d 100644
--- a/res/layout/pairing_explanation_not_trusted.xml
+++ b/res/layout/pairing_explanation_not_trusted.xml
@@ -1,4 +1,11 @@
 <?xml version="1.0" encoding="utf-8"?>
+
+<!--
+SPDX-FileCopyrightText: 2023 Albert Vaca Cintora <albertvaka@gmail.com>
+
+SPDX-License-Identifier: GPL-2.0-only OR GPL-3.0-only OR LicenseRef-KDE-Accepted-GPL
+-->
+
 <TextView xmlns:android="http://schemas.android.com/apk/res/android"
     xmlns:app="http://schemas.android.com/apk/res-auto"
     android:layout_width="match_parent"
diff --git a/res/layout/pairing_explanation_text.xml b/res/layout/pairing_explanation_text.xml
index 175a9a4e..83d4b199 100644
--- a/res/layout/pairing_explanation_text.xml
+++ b/res/layout/pairing_explanation_text.xml
@@ -1,4 +1,11 @@
 <?xml version="1.0" encoding="utf-8"?>
+
+<!--
+SPDX-FileCopyrightText: 2019 Matthijs Tijink <matthijstijink@gmail.com>
+
+SPDX-License-Identifier: GPL-2.0-only OR GPL-3.0-only OR LicenseRef-KDE-Accepted-GPL
+-->
+
 <TextView
     xmlns:android="http://schemas.android.com/apk/res/android"
     android:layout_width="match_parent"
diff --git a/res/layout/pairing_explanation_text_no_wifi.xml b/res/layout/pairing_explanation_text_no_wifi.xml
index 046f6995..d9c68a57 100644
--- a/res/layout/pairing_explanation_text_no_wifi.xml
+++ b/res/layout/pairing_explanation_text_no_wifi.xml
@@ -1,4 +1,11 @@
 <?xml version="1.0" encoding="utf-8"?>
+
+<!--
+SPDX-FileCopyrightText: 2019 Matthijs Tijink <matthijstijink@gmail.com>
+
+SPDX-License-Identifier: GPL-2.0-only OR GPL-3.0-only OR LicenseRef-KDE-Accepted-GPL
+-->
+
 <TextView xmlns:android="http://schemas.android.com/apk/res/android"
     xmlns:app="http://schemas.android.com/apk/res-auto"
     android:layout_width="match_parent"
diff --git a/res/layout/popup_notificationsfilter.xml b/res/layout/popup_notificationsfilter.xml
index 7d82d25f..3c144b69 100644
--- a/res/layout/popup_notificationsfilter.xml
+++ b/res/layout/popup_notificationsfilter.xml
@@ -1,4 +1,11 @@
 <?xml version="1.0" encoding="utf-8"?>
+
+<!--
+SPDX-FileCopyrightText: 2018 Alex Kovrigin <a.kovrigin0@gmail.com>
+
+SPDX-License-Identifier: GPL-2.0-only OR GPL-3.0-only OR LicenseRef-KDE-Accepted-GPL
+-->
+
 <LinearLayout xmlns:android="http://schemas.android.com/apk/res/android"
     android:layout_width="match_parent"
     android:layout_height="match_parent"
diff --git a/res/layout/preference_checkbox.xml b/res/layout/preference_checkbox.xml
index 54d103b4..1d526502 100644
--- a/res/layout/preference_checkbox.xml
+++ b/res/layout/preference_checkbox.xml
@@ -1,4 +1,11 @@
 <?xml version="1.0" encoding="utf-8"?>
+
+<!--
+SPDX-FileCopyrightText: 2019 Erik Duisters <e.duisters1@gmail.com>
+
+SPDX-License-Identifier: GPL-2.0-only OR GPL-3.0-only OR LicenseRef-KDE-Accepted-GPL
+-->
+
 <CheckBox
     xmlns:android="http://schemas.android.com/apk/res/android"
     xmlns:tools="http://schemas.android.com/tools"
@@ -8,4 +15,4 @@
     android:focusable="false"
     android:clickable="false"
     tools:viewBindingIgnore="true"
-    android:background="@null"/>
\ No newline at end of file
+    android:background="@null"/>
diff --git a/res/layout/preference_widget_material_switch.xml b/res/layout/preference_widget_material_switch.xml
index 5d22aec1..382cb562 100644
--- a/res/layout/preference_widget_material_switch.xml
+++ b/res/layout/preference_widget_material_switch.xml
@@ -1,3 +1,11 @@
+<?xml version="1.0" encoding="utf-8"?>
+
+<!--
+SPDX-FileCopyrightText: 2023 Dmitry Yudin <dgyudin@gmail.com>
+
+SPDX-License-Identifier: GPL-2.0-only OR GPL-3.0-only OR LicenseRef-KDE-Accepted-GPL
+-->
+
 <com.google.android.material.materialswitch.MaterialSwitch
         xmlns:android="http://schemas.android.com/apk/res/android"
         xmlns:tools="http://schemas.android.com/tools"
@@ -7,4 +15,4 @@
         android:focusable="false"
         android:clickable="false"
         android:background="@null"
-        tools:targetApi="n" />
\ No newline at end of file
+        tools:targetApi="n" />
diff --git a/res/layout/privacy_options.xml b/res/layout/privacy_options.xml
index d681818f..1e9b6131 100644
--- a/res/layout/privacy_options.xml
+++ b/res/layout/privacy_options.xml
@@ -1,4 +1,11 @@
 <?xml version="1.0" encoding="utf-8"?>
+
+<!--
+SPDX-FileCopyrightText: 2018 Alex Kovrigin <a.kovrigin0@gmail.com>
+
+SPDX-License-Identifier: GPL-2.0-only OR GPL-3.0-only OR LicenseRef-KDE-Accepted-GPL
+-->
+
 <LinearLayout xmlns:android="http://schemas.android.com/apk/res/android"
     android:layout_width="match_parent"
     android:layout_height="match_parent"
diff --git a/res/layout/system_volume_fragment.xml b/res/layout/system_volume_fragment.xml
index 565eed18..2630a117 100644
--- a/res/layout/system_volume_fragment.xml
+++ b/res/layout/system_volume_fragment.xml
@@ -1,4 +1,11 @@
 <?xml version="1.0" encoding="utf-8"?>
+
+<!--
+SPDX-FileCopyrightText: 2021 Art Pinch <leonardo906@mail.ru>
+
+SPDX-License-Identifier: GPL-2.0-only OR GPL-3.0-only OR LicenseRef-KDE-Accepted-GPL
+-->
+
 <androidx.recyclerview.widget.RecyclerView xmlns:android="http://schemas.android.com/apk/res/android"
     android:id="@+id/audio_devices_recycler"
     android:layout_width="match_parent"
@@ -8,4 +15,4 @@
     android:paddingHorizontal="@dimen/activity_horizontal_margin"
     android:paddingVertical="@dimen/activity_vertical_margin">
 
-</androidx.recyclerview.widget.RecyclerView>
\ No newline at end of file
+</androidx.recyclerview.widget.RecyclerView>
diff --git a/res/layout/toolbar.xml b/res/layout/toolbar.xml
index 31e3681e..b5a06e8a 100644
--- a/res/layout/toolbar.xml
+++ b/res/layout/toolbar.xml
@@ -1,5 +1,11 @@
 <?xml version="1.0" encoding="utf-8"?>
 
+<!--
+SPDX-FileCopyrightText: 2021 Maxim Leshchenko <cnmaks90@gmail.com>
+
+SPDX-License-Identifier: GPL-2.0-only OR GPL-3.0-only OR LicenseRef-KDE-Accepted-GPL
+-->
+
 <com.google.android.material.appbar.AppBarLayout
     xmlns:android="http://schemas.android.com/apk/res/android"
     android:layout_height="wrap_content"
@@ -12,4 +18,4 @@
         android:layout_width="match_parent"
         android:layout_height="?attr/actionBarSize"
         app:title="@string/kde_connect"/>
-</com.google.android.material.appbar.AppBarLayout>
\ No newline at end of file
+</com.google.android.material.appbar.AppBarLayout>
diff --git a/res/layout/trusted_network_list.xml b/res/layout/trusted_network_list.xml
index 09deb2ab..5c642de5 100644
--- a/res/layout/trusted_network_list.xml
+++ b/res/layout/trusted_network_list.xml
@@ -1,5 +1,11 @@
 <?xml version="1.0" encoding="utf-8"?>
 
+<!--
+SPDX-FileCopyrightText: 2019 Juan David Vega <jdvr.93@hotmail.com>
+
+SPDX-License-Identifier: GPL-2.0-only OR GPL-3.0-only OR LicenseRef-KDE-Accepted-GPL
+-->
+
 <androidx.coordinatorlayout.widget.CoordinatorLayout xmlns:android="http://schemas.android.com/apk/res/android"
     android:layout_width="match_parent"
     android:layout_height="match_parent"
@@ -48,4 +54,4 @@
             android:visibility="gone" />
 
     </LinearLayout>
-</androidx.coordinatorlayout.widget.CoordinatorLayout>
\ No newline at end of file
+</androidx.coordinatorlayout.widget.CoordinatorLayout>
diff --git a/res/layout/view_pair_error.xml b/res/layout/view_pair_error.xml
index ce7a2469..08c7de77 100644
--- a/res/layout/view_pair_error.xml
+++ b/res/layout/view_pair_error.xml
@@ -1,4 +1,11 @@
 <?xml version="1.0" encoding="utf-8"?>
+
+<!--
+SPDX-FileCopyrightText: 2021 Philip Cohn-Cort <cliabhach@gmail.com>
+
+SPDX-License-Identifier: GPL-2.0-only OR GPL-3.0-only OR LicenseRef-KDE-Accepted-GPL
+-->
+
 <androidx.swiperefreshlayout.widget.SwipeRefreshLayout
     xmlns:app="http://schemas.android.com/apk/res-auto"
     xmlns:android="http://schemas.android.com/apk/res/android"
@@ -38,4 +45,4 @@
 
     </LinearLayout>
 
-</androidx.swiperefreshlayout.widget.SwipeRefreshLayout>
\ No newline at end of file
+</androidx.swiperefreshlayout.widget.SwipeRefreshLayout>
diff --git a/res/layout/view_pair_request.xml b/res/layout/view_pair_request.xml
index 3d5e57a7..9a37afd8 100644
--- a/res/layout/view_pair_request.xml
+++ b/res/layout/view_pair_request.xml
@@ -1,4 +1,11 @@
 <?xml version="1.0" encoding="utf-8"?>
+
+<!--
+SPDX-FileCopyrightText: 2021 Philip Cohn-Cort <cliabhach@gmail.com>
+
+SPDX-License-Identifier: GPL-2.0-only OR GPL-3.0-only OR LicenseRef-KDE-Accepted-GPL
+-->
+
 <LinearLayout
     xmlns:android="http://schemas.android.com/apk/res/android"
     xmlns:app="http://schemas.android.com/apk/res-auto"
@@ -71,4 +78,4 @@
             android:text="@string/pairing_reject" />
 
     </LinearLayout>
-</LinearLayout>
\ No newline at end of file
+</LinearLayout>
diff --git a/res/layout/widget_remote_command_plugin_dialog.xml b/res/layout/widget_remote_command_plugin_dialog.xml
index 7e19895e..29f94fe7 100644
--- a/res/layout/widget_remote_command_plugin_dialog.xml
+++ b/res/layout/widget_remote_command_plugin_dialog.xml
@@ -1,4 +1,11 @@
 <?xml version="1.0" encoding="utf-8"?>
+
+<!--
+SPDX-FileCopyrightText: 2018 Nicolas Fella <nicolas.fella@gmx.de>
+
+SPDX-License-Identifier: GPL-2.0-only OR GPL-3.0-only OR LicenseRef-KDE-Accepted-GPL
+-->
+
 <LinearLayout xmlns:android="http://schemas.android.com/apk/res/android"
     android:layout_width="match_parent"
     android:layout_height="match_parent"
@@ -25,4 +32,4 @@
         android:textAppearance="?android:attr/textAppearanceSmall"
         android:visibility="gone" />
 
-</LinearLayout>
\ No newline at end of file
+</LinearLayout>
diff --git a/res/layout/widget_remotecommandplugin.xml b/res/layout/widget_remotecommandplugin.xml
index 6c36cacc..5e39411a 100644
--- a/res/layout/widget_remotecommandplugin.xml
+++ b/res/layout/widget_remotecommandplugin.xml
@@ -1,4 +1,11 @@
 <?xml version="1.0" encoding="utf-8"?>
+
+<!--
+SPDX-FileCopyrightText: 2018 Nicolas Fella <nicolas.fella@gmx.de>
+
+SPDX-License-Identifier: GPL-2.0-only OR GPL-3.0-only OR LicenseRef-KDE-Accepted-GPL
+-->
+
 <LinearLayout xmlns:android="http://schemas.android.com/apk/res/android"
     xmlns:tools="http://schemas.android.com/tools"
     android:orientation="vertical"
@@ -56,4 +63,4 @@
         android:textAppearance="?android:attr/textAppearanceMedium"
         android:drawableStart="@drawable/ic_error_outline_48dp"
         tools:ignore="UseCompatTextViewDrawableXml" />  <!-- can't use app:drawableStart in RemoteView -->
-</LinearLayout>
\ No newline at end of file
+</LinearLayout>
diff --git a/res/menu/menu_licenses.xml b/res/menu/menu_licenses.xml
index fa1c9c34..e037ba96 100644
--- a/res/menu/menu_licenses.xml
+++ b/res/menu/menu_licenses.xml
@@ -1,4 +1,11 @@
 <?xml version="1.0" encoding="utf-8"?>
+
+<!--
+SPDX-FileCopyrightText: 2021 Maxim Leshchenko <cnmaks90@gmail.com>
+
+SPDX-License-Identifier: GPL-2.0-only OR GPL-3.0-only OR LicenseRef-KDE-Accepted-GPL
+-->
+
 <menu xmlns:android="http://schemas.android.com/apk/res/android"
     xmlns:kdeconnect="http://schemas.android.com/apk/res-auto">
 
diff --git a/res/menu/menu_mousepad.xml b/res/menu/menu_mousepad.xml
index ca06c05a..5f64abe1 100644
--- a/res/menu/menu_mousepad.xml
+++ b/res/menu/menu_mousepad.xml
@@ -1,4 +1,11 @@
 <?xml version="1.0" encoding="utf-8"?>
+
+<!--
+SPDX-FileCopyrightText: 2023 Albert Vaca Cintora <albertvaka@gmail.com>
+
+SPDX-License-Identifier: GPL-2.0-only OR GPL-3.0-only OR LicenseRef-KDE-Accepted-GPL
+-->
+
 <menu xmlns:android="http://schemas.android.com/apk/res/android"
     xmlns:kdeconnect="http://schemas.android.com/apk/res-auto">
 
diff --git a/res/menu/menu_presenter.xml b/res/menu/menu_presenter.xml
index f396dac3..3a18d41c 100644
--- a/res/menu/menu_presenter.xml
+++ b/res/menu/menu_presenter.xml
@@ -1,4 +1,11 @@
 <?xml version="1.0" encoding="utf-8"?>
+
+<!--
+SPDX-FileCopyrightText: 2023 Albert Vaca Cintora <albertvaka@gmail.com>
+
+SPDX-License-Identifier: GPL-2.0-only OR GPL-3.0-only OR LicenseRef-KDE-Accepted-GPL
+-->
+
 <menu xmlns:android="http://schemas.android.com/apk/res/android">
 
     <item
diff --git a/res/menu/pairing.xml b/res/menu/pairing.xml
index a5373c20..0be3adf5 100644
--- a/res/menu/pairing.xml
+++ b/res/menu/pairing.xml
@@ -1,3 +1,11 @@
+<?xml version="1.0" encoding="utf-8"?>
+
+<!--
+SPDX-FileCopyrightText: 2023 Albert Vaca Cintora <albertvaka@gmail.com>
+
+SPDX-License-Identifier: GPL-2.0-only OR GPL-3.0-only OR LicenseRef-KDE-Accepted-GPL
+-->
+
 <menu xmlns:android="http://schemas.android.com/apk/res/android"
     xmlns:kdeconnect="http://schemas.android.com/apk/res-auto">
 
diff --git a/res/menu/refresh.xml b/res/menu/refresh.xml
index a3b9518a..6d1fb9ec 100644
--- a/res/menu/refresh.xml
+++ b/res/menu/refresh.xml
@@ -1,3 +1,11 @@
+<?xml version="1.0" encoding="utf-8"?>
+
+<!--
+SPDX-FileCopyrightText: 2023 Albert Vaca Cintora <albertvaka@gmail.com>
+
+SPDX-License-Identifier: GPL-2.0-only OR GPL-3.0-only OR LicenseRef-KDE-Accepted-GPL
+-->
+
 <menu xmlns:android="http://schemas.android.com/apk/res/android"
     xmlns:kdeconnect="http://schemas.android.com/apk/res-auto">
 
diff --git a/res/menu/runcommand_context.xml b/res/menu/runcommand_context.xml
index b63bc5a0..e81bfc4e 100644
--- a/res/menu/runcommand_context.xml
+++ b/res/menu/runcommand_context.xml
@@ -1,7 +1,14 @@
 <?xml version="1.0" encoding="utf-8"?>
+
+<!--
+SPDX-FileCopyrightText: 2018 Nicolas Fella <nicolas.fella@gmx.de>
+
+SPDX-License-Identifier: GPL-2.0-only OR GPL-3.0-only OR LicenseRef-KDE-Accepted-GPL
+-->
+
 <menu xmlns:android="http://schemas.android.com/apk/res/android">
 
     <item
         android:id="@+id/copy_url_to_clipboard"
         android:title="@string/copy_url_to_clipboard" />
-</menu>
\ No newline at end of file
+</menu>
diff --git a/res/menu/sftp_settings_action_mode.xml b/res/menu/sftp_settings_action_mode.xml
index f3fb8aa1..a7ebe0d4 100644
--- a/res/menu/sftp_settings_action_mode.xml
+++ b/res/menu/sftp_settings_action_mode.xml
@@ -1,4 +1,11 @@
 <?xml version="1.0" encoding="utf-8"?>
+
+<!--
+SPDX-FileCopyrightText: 2019 Erik Duisters <e.duisters1@gmail.com>
+
+SPDX-License-Identifier: GPL-2.0-only OR GPL-3.0-only OR LicenseRef-KDE-Accepted-GPL
+-->
+
 <menu xmlns:app="http://schemas.android.com/apk/res-auto"
       xmlns:android="http://schemas.android.com/apk/res/android">
 
@@ -7,4 +14,4 @@
         android:title="@string/sftp_action_mode_menu_delete"
         app:showAsAction="ifRoom"
         android:icon="@drawable/ic_delete"/>
-</menu>
\ No newline at end of file
+</menu>
diff --git a/res/values-land/consts.xml b/res/values-land/consts.xml
index e2d5164a..46e4dec3 100644
--- a/res/values-land/consts.xml
+++ b/res/values-land/consts.xml
@@ -1,4 +1,11 @@
 <?xml version="1.0" encoding="utf-8"?>
+
+<!--
+SPDX-FileCopyrightText: 2023 Dmitry Yudin <dgyudin@gmail.com>
+
+SPDX-License-Identifier: GPL-2.0-only OR GPL-3.0-only OR LicenseRef-KDE-Accepted-GPL
+-->
+
 <resources>
 
     <integer name="plugins_columns">3</integer>
@@ -10,4 +17,4 @@
     <dimen name="mpris_now_playing_controls_width">0dp</dimen>
     <dimen name="mpris_now_playing_controls_height">@dimen/layout_match_parent</dimen>
 
-</resources>
\ No newline at end of file
+</resources>
diff --git a/res/values-night-v31/colors.xml b/res/values-night-v31/colors.xml
index a31fff2f..e5fc0e67 100644
--- a/res/values-night-v31/colors.xml
+++ b/res/values-night-v31/colors.xml
@@ -1,4 +1,11 @@
 <?xml version="1.0" encoding="utf-8"?>
+
+<!--
+SPDX-FileCopyrightText: 2022 Arun Parolikkal <actuday6418@gmail.com>
+
+SPDX-License-Identifier: GPL-2.0-only OR GPL-3.0-only OR LicenseRef-KDE-Accepted-GPL
+-->
+
 <resources>
     <color name="primary">@android:color/system_accent2_300</color>
     <color name="primaryDark">@android:color/system_neutral1_900</color>
diff --git a/res/values-night/colors-night.xml b/res/values-night/colors-night.xml
index 9f1f0a41..36f98bc3 100644
--- a/res/values-night/colors-night.xml
+++ b/res/values-night/colors-night.xml
@@ -1,4 +1,11 @@
 <?xml version="1.0" encoding="utf-8"?>
+
+<!--
+SPDX-FileCopyrightText: 2020 Anjani Kumar <anjanik012@gmail.com>
+
+SPDX-License-Identifier: GPL-2.0-only OR GPL-3.0-only OR LicenseRef-KDE-Accepted-GPL
+-->
+
 <resources>
     <color name="primaryDark">@android:color/black</color>
     <color name="darkGrey">#555555</color>
diff --git a/res/values-notnight-v31/colors.xml b/res/values-notnight-v31/colors.xml
index a551f5a1..d1da00b4 100644
--- a/res/values-notnight-v31/colors.xml
+++ b/res/values-notnight-v31/colors.xml
@@ -1,4 +1,11 @@
 <?xml version="1.0" encoding="utf-8"?>
+
+<!--
+SPDX-FileCopyrightText: 2022 Arun Parolikkal <actuday6418@gmail.com>
+
+SPDX-License-Identifier: GPL-2.0-only OR GPL-3.0-only OR LicenseRef-KDE-Accepted-GPL
+-->
+
 <resources>
     <color name="primary">@android:color/system_accent2_500</color>
     <color name="primaryDark">@android:color/system_neutral1_50</color>
diff --git a/res/values-v23/styles.xml b/res/values-v23/styles.xml
index 889b8526..7f0df750 100644
--- a/res/values-v23/styles.xml
+++ b/res/values-v23/styles.xml
@@ -1,4 +1,11 @@
 <?xml version="1.0" encoding="utf-8"?>
+
+<!--
+SPDX-FileCopyrightText: 2021 Maxim Leshchenko <cnmaks90@gmail.com>
+
+SPDX-License-Identifier: GPL-2.0-only OR GPL-3.0-only OR LicenseRef-KDE-Accepted-GPL
+-->
+
 <resources>
 
     <style name="KdeConnectTheme.NoActionBar" parent="KdeConnectThemeBase.NoActionBar">
@@ -6,4 +13,4 @@
         <item name="android:windowLightStatusBar">?attr/isLightTheme</item>
     </style>
 
-</resources>
\ No newline at end of file
+</resources>
diff --git a/res/values-v27/styles.xml b/res/values-v27/styles.xml
index 7a707483..c823e591 100644
--- a/res/values-v27/styles.xml
+++ b/res/values-v27/styles.xml
@@ -1,4 +1,11 @@
 <?xml version="1.0" encoding="utf-8"?>
+
+<!--
+SPDX-FileCopyrightText: 2023 Dmitry Yudin <dgyudin@gmail.com>
+
+SPDX-License-Identifier: GPL-2.0-only OR GPL-3.0-only OR LicenseRef-KDE-Accepted-GPL
+-->
+
 <resources>
     <style name="KdeConnectThemeBase.V27" parent="KdeConnectThemeBase">
         <item name="android:navigationBarColor">@android:color/transparent</item>
diff --git a/res/values-w820dp/consts.xml b/res/values-w820dp/consts.xml
index d41f57c1..f4245d8a 100644
--- a/res/values-w820dp/consts.xml
+++ b/res/values-w820dp/consts.xml
@@ -1,6 +1,13 @@
 <?xml version="1.0" encoding="utf-8"?>
+
+<!--
+SPDX-FileCopyrightText: 2023 Dmitry Yudin <dgyudin@gmail.com>
+
+SPDX-License-Identifier: GPL-2.0-only OR GPL-3.0-only OR LicenseRef-KDE-Accepted-GPL
+-->
+
 <resources>
 
     <integer name="plugins_columns">3</integer>
 
-</resources>
\ No newline at end of file
+</resources>
diff --git a/res/values-w820dp/dimens.xml b/res/values-w820dp/dimens.xml
index 63fc8164..0b891946 100644
--- a/res/values-w820dp/dimens.xml
+++ b/res/values-w820dp/dimens.xml
@@ -1,3 +1,11 @@
+<?xml version="1.0" encoding="utf-8"?>
+
+<!--
+SPDX-FileCopyrightText: 2023 Albert Vaca Cintora <albertvaka@gmail.com>
+
+SPDX-License-Identifier: GPL-2.0-only OR GPL-3.0-only OR LicenseRef-KDE-Accepted-GPL
+-->
+
 <resources>
     <!-- Example customization of dimensions originally defined in res/values/dimens.xml
          (such as screen margins) for screens with more than 820dp of available width. This
diff --git a/res/values/attrs.xml b/res/values/attrs.xml
index 37919e90..1fbad569 100644
--- a/res/values/attrs.xml
+++ b/res/values/attrs.xml
@@ -1,3 +1,9 @@
+<!--
+SPDX-FileCopyrightText: 2018 Philip Cohn-Cort <cliabhach@gmail.com>
+
+SPDX-License-Identifier: GPL-2.0-only OR GPL-3.0-only OR LicenseRef-KDE-Accepted-GPL
+-->
+
 <resources>
     <!-- A high-contrast color for important visual elements (for less important elements, use colorControlNormal instead) -->
     <attr name="colorHighContrast" format="color" />
@@ -9,4 +15,4 @@
         <!-- I think that everything is clear from the name -->
         <attr name="changeColumnCountIfTheyHaveOnlyOneElement" format="boolean" />
     </declare-styleable>
-</resources>
\ No newline at end of file
+</resources>
diff --git a/res/values/colors.xml b/res/values/colors.xml
index 7d4d81fa..6f73c8f1 100644
--- a/res/values/colors.xml
+++ b/res/values/colors.xml
@@ -1,4 +1,11 @@
 <?xml version="1.0" encoding="utf-8"?>
+
+<!--
+SPDX-FileCopyrightText: 2020 Anjani Kumar <anjanik012@gmail.com>
+
+SPDX-License-Identifier: GPL-2.0-only OR GPL-3.0-only OR LicenseRef-KDE-Accepted-GPL
+-->
+
 <resources>
     <color name="primary">#F67400</color>
     <color name="primaryDark">@android:color/white</color>
@@ -11,4 +18,4 @@
     <color name="toolbar_color">@android:color/white</color>
     <color name="card_stroke_color">#C8C8C8</color>
     <color name="activity_background">@android:color/white</color>
-</resources>
\ No newline at end of file
+</resources>
diff --git a/res/values/consts.xml b/res/values/consts.xml
index 5401c764..00e85fa1 100644
--- a/res/values/consts.xml
+++ b/res/values/consts.xml
@@ -1,4 +1,11 @@
 <?xml version="1.0" encoding="utf-8"?>
+
+<!--
+SPDX-FileCopyrightText: 2023 Dmitry Yudin <dgyudin@gmail.com>
+
+SPDX-License-Identifier: GPL-2.0-only OR GPL-3.0-only OR LicenseRef-KDE-Accepted-GPL
+-->
+
 <resources>
 
     <!-- https://developer.android.com/reference/android/R.attr.html#orientation -->
@@ -21,4 +28,4 @@
     <dimen name="mpris_now_playing_controls_width">@dimen/layout_match_parent</dimen>
     <dimen name="mpris_now_playing_controls_height">@dimen/layout_wrap_content</dimen>
 
-</resources>
\ No newline at end of file
+</resources>
diff --git a/res/values/dimens.xml b/res/values/dimens.xml
index 9096d34e..58e7b72d 100644
--- a/res/values/dimens.xml
+++ b/res/values/dimens.xml
@@ -1,3 +1,11 @@
+<?xml version="1.0" encoding="utf-8"?>
+
+<!--
+SPDX-FileCopyrightText: 2023 Albert Vaca Cintora <albertvaka@gmail.com>
+
+SPDX-License-Identifier: GPL-2.0-only OR GPL-3.0-only OR LicenseRef-KDE-Accepted-GPL
+-->
+
 <resources>
     <!-- Default screen margins, per the Android Design guidelines. -->
     <dimen name="activity_horizontal_margin">16dp</dimen>
diff --git a/res/values/strings.xml b/res/values/strings.xml
index afd245d3..e0cd348f 100644
--- a/res/values/strings.xml
+++ b/res/values/strings.xml
@@ -1,4 +1,11 @@
 <?xml version="1.0" encoding="utf-8"?>
+
+<!--
+SPDX-FileCopyrightText: 2023 Albert Vaca Cintora <albertvaka@gmail.com>
+
+SPDX-License-Identifier: GPL-2.0-only OR GPL-3.0-only OR LicenseRef-KDE-Accepted-GPL
+-->
+
 <resources>
   <!--  # Dear potential translators:
 
diff --git a/res/values/styles.xml b/res/values/styles.xml
index 628ce176..532ce8f2 100644
--- a/res/values/styles.xml
+++ b/res/values/styles.xml
@@ -1,3 +1,9 @@
+<!--
+SPDX-FileCopyrightText: 2023 Albert Vaca Cintora <albertvaka@gmail.com>
+
+SPDX-License-Identifier: GPL-2.0-only OR GPL-3.0-only OR LicenseRef-KDE-Accepted-GPL
+-->
+
 <resources xmlns:tools="http://schemas.android.com/tools">
     <!-- NoActionBar because we use a Toolbar widget as ActionBar -->
     <style name="KdeConnectThemeBase" parent="Theme.Material3.DayNight.NoActionBar">
diff --git a/res/xml/data_extraction_rules.xml b/res/xml/data_extraction_rules.xml
index 7da4b02d..24d34bec 100644
--- a/res/xml/data_extraction_rules.xml
+++ b/res/xml/data_extraction_rules.xml
@@ -1,4 +1,11 @@
 <?xml version="1.0" encoding="utf-8"?>
+
+<!--
+SPDX-FileCopyrightText: 2023 Albert Vaca Cintora <albertvaka@gmail.com>
+
+SPDX-License-Identifier: GPL-2.0-only OR GPL-3.0-only OR LicenseRef-KDE-Accepted-GPL
+-->
+
 <data-extraction-rules>
     <cloud-backup>
         <exclude domain="root" />
diff --git a/res/xml/fileprovider_paths.xml b/res/xml/fileprovider_paths.xml
index 67276880..62f0b5fb 100644
--- a/res/xml/fileprovider_paths.xml
+++ b/res/xml/fileprovider_paths.xml
@@ -1,4 +1,11 @@
 <?xml version="1.0" encoding="utf-8"?>
+
+<!--
+SPDX-FileCopyrightText: 2017 Matthijs Tijink <matthijstijink@gmail.com>
+
+SPDX-License-Identifier: GPL-2.0-only OR GPL-3.0-only OR LicenseRef-KDE-Accepted-GPL
+-->
+
 <paths>
     <external-path
         name="external_files"
diff --git a/res/xml/findmyphoneplugin_preferences.xml b/res/xml/findmyphoneplugin_preferences.xml
index 361d1a60..09f2e33d 100644
--- a/res/xml/findmyphoneplugin_preferences.xml
+++ b/res/xml/findmyphoneplugin_preferences.xml
@@ -1,4 +1,11 @@
 <?xml version="1.0" encoding="utf-8"?>
+
+<!--
+SPDX-FileCopyrightText: 2018 Nicolas Fella <nicolas.fella@gmx.de>
+
+SPDX-License-Identifier: GPL-2.0-only OR GPL-3.0-only OR LicenseRef-KDE-Accepted-GPL
+-->
+
 <PreferenceScreen xmlns:android="http://schemas.android.com/apk/res/android"
     xmlns:tools="http://schemas.android.com/tools"
     android:layout_width="match_parent"
@@ -8,4 +15,4 @@
     <Preference
         android:key="@string/findmyphone_preference_key_ringtone"
         android:title="@string/select_ringtone" />
-</PreferenceScreen>
\ No newline at end of file
+</PreferenceScreen>
diff --git a/res/xml/mouse_receiver_service.xml b/res/xml/mouse_receiver_service.xml
index e51ed685..a8b4e198 100644
--- a/res/xml/mouse_receiver_service.xml
+++ b/res/xml/mouse_receiver_service.xml
@@ -1,5 +1,13 @@
+<?xml version="1.0" encoding="utf-8"?>
+
+<!--
+SPDX-FileCopyrightText: 2021 Sohny Bohny <sohny.bean@streber24.de>
+
+SPDX-License-Identifier: GPL-2.0-only OR GPL-3.0-only OR LicenseRef-KDE-Accepted-GPL
+-->
+
 <accessibility-service xmlns:android="http://schemas.android.com/apk/res/android"
     android:accessibilityFeedbackType="feedbackGeneric"
     android:accessibilityFlags="flagDefault"
     android:canPerformGestures="true"
-    android:canRetrieveWindowContent="true" />
\ No newline at end of file
+    android:canRetrieveWindowContent="true" />
diff --git a/res/xml/mousepadplugin_preferences.xml b/res/xml/mousepadplugin_preferences.xml
index 37d4f272..aa1b3308 100644
--- a/res/xml/mousepadplugin_preferences.xml
+++ b/res/xml/mousepadplugin_preferences.xml
@@ -1,4 +1,11 @@
 <?xml version="1.0" encoding="utf-8"?>
+
+<!--
+SPDX-FileCopyrightText: 2014 Rahil Momin <rahil.rules.you@gmail.com>
+
+SPDX-License-Identifier: GPL-2.0-only OR GPL-3.0-only OR LicenseRef-KDE-Accepted-GPL
+-->
+
 <PreferenceScreen xmlns:android="http://schemas.android.com/apk/res/android"
     xmlns:tools="http://schemas.android.com/tools"
     android:layout_width="match_parent"
diff --git a/res/xml/mprisplugin_preferences.xml b/res/xml/mprisplugin_preferences.xml
index 6bd0071c..e29d7a06 100644
--- a/res/xml/mprisplugin_preferences.xml
+++ b/res/xml/mprisplugin_preferences.xml
@@ -1,4 +1,11 @@
 <?xml version="1.0" encoding="utf-8"?>
+
+<!--
+SPDX-FileCopyrightText: 2023 Albert Vaca Cintora <albertvaka@gmail.com>
+
+SPDX-License-Identifier: GPL-2.0-only OR GPL-3.0-only OR LicenseRef-KDE-Accepted-GPL
+-->
+
 <PreferenceScreen xmlns:android="http://schemas.android.com/apk/res/android"
     xmlns:tools="http://schemas.android.com/tools"
     android:layout_width="match_parent"
diff --git a/res/xml/network_security_config.xml b/res/xml/network_security_config.xml
index f30673bc..ffaaba29 100644
--- a/res/xml/network_security_config.xml
+++ b/res/xml/network_security_config.xml
@@ -1,5 +1,12 @@
 <?xml version="1.0" encoding="utf-8"?>
+
+<!--
+SPDX-FileCopyrightText: 2019 Mitja Cotic <mitja_cotic@yahoo.com>
+
+SPDX-License-Identifier: GPL-2.0-only OR GPL-3.0-only OR LicenseRef-KDE-Accepted-GPL
+-->
+
 <network-security-config>
     <!--Set application-wide security config using base-config tag.-->
     <base-config cleartextTrafficPermitted="true"/>
-</network-security-config>
\ No newline at end of file
+</network-security-config>
diff --git a/res/xml/remotecommandplugin_widget.xml b/res/xml/remotecommandplugin_widget.xml
index 6543a269..a4b59379 100644
--- a/res/xml/remotecommandplugin_widget.xml
+++ b/res/xml/remotecommandplugin_widget.xml
@@ -1,4 +1,11 @@
 <?xml version="1.0" encoding="utf-8"?>
+
+<!--
+SPDX-FileCopyrightText: 2018 Nicolas Fella <nicolas.fella@gmx.de>
+
+SPDX-License-Identifier: GPL-2.0-only OR GPL-3.0-only OR LicenseRef-KDE-Accepted-GPL
+-->
+
 <appwidget-provider
     xmlns:android="http://schemas.android.com/apk/res/android"
     android:minWidth="180dp"
diff --git a/res/xml/remotekeyboardplugin_keyboard.xml b/res/xml/remotekeyboardplugin_keyboard.xml
index ce839ae7..1523902c 100644
--- a/res/xml/remotekeyboardplugin_keyboard.xml
+++ b/res/xml/remotekeyboardplugin_keyboard.xml
@@ -1,4 +1,11 @@
 <?xml version="1.0" encoding="utf-8"?>
+
+<!--
+SPDX-FileCopyrightText: 2017 Holger Kaelberer <holger.k@elberer.de>
+
+SPDX-License-Identifier: GPL-2.0-only OR GPL-3.0-only OR LicenseRef-KDE-Accepted-GPL
+-->
+
 <Keyboard xmlns:android="http://schemas.android.com/apk/res/android"
     android:horizontalGap="0px"
     android:keyHeight="@dimen/key_height"
diff --git a/res/xml/remotekeyboardplugin_method.xml b/res/xml/remotekeyboardplugin_method.xml
index 30b2c14a..6c0a5f2a 100644
--- a/res/xml/remotekeyboardplugin_method.xml
+++ b/res/xml/remotekeyboardplugin_method.xml
@@ -1,3 +1,10 @@
 <?xml version="1.0" encoding="utf-8"?>
+
+<!--
+SPDX-FileCopyrightText: 2017 Holger Kaelberer <holger.k@elberer.de>
+
+SPDX-License-Identifier: GPL-2.0-only OR GPL-3.0-only OR LicenseRef-KDE-Accepted-GPL
+-->
+
 <input-method xmlns:android="http://schemas.android.com/apk/res/android"
     android:supportsSwitchingToNextInputMethod="true" />
diff --git a/res/xml/remotekeyboardplugin_preferences.xml b/res/xml/remotekeyboardplugin_preferences.xml
index 6ff5e9e4..f0028390 100644
--- a/res/xml/remotekeyboardplugin_preferences.xml
+++ b/res/xml/remotekeyboardplugin_preferences.xml
@@ -1,4 +1,11 @@
 <?xml version="1.0" encoding="utf-8"?>
+
+<!--
+SPDX-FileCopyrightText: 2017 Holger Kaelberer <holger.k@elberer.de>
+
+SPDX-License-Identifier: GPL-2.0-only OR GPL-3.0-only OR LicenseRef-KDE-Accepted-GPL
+-->
+
 <PreferenceScreen xmlns:android="http://schemas.android.com/apk/res/android"
     xmlns:tools="http://schemas.android.com/tools"
     android:layout_width="match_parent"
diff --git a/res/xml/sftpplugin_preferences.xml b/res/xml/sftpplugin_preferences.xml
index 9290ebcf..85cb956c 100644
--- a/res/xml/sftpplugin_preferences.xml
+++ b/res/xml/sftpplugin_preferences.xml
@@ -1,4 +1,11 @@
 <?xml version="1.0" encoding="utf-8"?>
+
+<!--
+SPDX-FileCopyrightText: 2019 Erik Duisters <e.duisters1@gmail.com>
+
+SPDX-License-Identifier: GPL-2.0-only OR GPL-3.0-only OR LicenseRef-KDE-Accepted-GPL
+-->
+
 <PreferenceScreen xmlns:tools="http://schemas.android.com/tools"
     xmlns:android="http://schemas.android.com/apk/res/android"
     tools:keep="@xml/sftpplugin_preferences">
@@ -13,4 +20,4 @@
         android:icon="@drawable/ic_add"
         android:title="@string/sftp_preference_add_storage_location_title"
         android:persistent="false"/>
-</PreferenceScreen>
\ No newline at end of file
+</PreferenceScreen>
diff --git a/res/xml/shareplugin_preferences.xml b/res/xml/shareplugin_preferences.xml
index d6601e09..80be32de 100644
--- a/res/xml/shareplugin_preferences.xml
+++ b/res/xml/shareplugin_preferences.xml
@@ -1,4 +1,11 @@
 <?xml version="1.0" encoding="utf-8"?>
+
+<!--
+SPDX-FileCopyrightText: 2023 Albert Vaca Cintora <albertvaka@gmail.com>
+
+SPDX-License-Identifier: GPL-2.0-only OR GPL-3.0-only OR LicenseRef-KDE-Accepted-GPL
+-->
+
 <PreferenceScreen xmlns:android="http://schemas.android.com/apk/res/android"
     xmlns:tools="http://schemas.android.com/tools"
     android:layout_width="match_parent"
diff --git a/res/xml/smsplugin_preferences.xml b/res/xml/smsplugin_preferences.xml
index aba371c3..d3b30053 100644
--- a/res/xml/smsplugin_preferences.xml
+++ b/res/xml/smsplugin_preferences.xml
@@ -1,4 +1,11 @@
 <?xml version="1.0" encoding="utf-8"?>
+
+<!--
+SPDX-FileCopyrightText: 2020 Aniket Kumar <anikketkumar786@gmail.com>
+
+SPDX-License-Identifier: GPL-2.0-only OR GPL-3.0-only OR LicenseRef-KDE-Accepted-GPL
+-->
+
 <PreferenceScreen xmlns:android="http://schemas.android.com/apk/res/android"
     xmlns:tools="http://schemas.android.com/tools"
     android:layout_width="match_parent"
diff --git a/res/xml/telephonyplugin_preferences.xml b/res/xml/telephonyplugin_preferences.xml
index bcbfeb03..20f3247f 100644
--- a/res/xml/telephonyplugin_preferences.xml
+++ b/res/xml/telephonyplugin_preferences.xml
@@ -1,4 +1,11 @@
 <?xml version="1.0" encoding="utf-8"?>
+
+<!--
+SPDX-FileCopyrightText: 2018 Nicolas Fella <nicolas.fella@gmx.de>
+
+SPDX-License-Identifier: GPL-2.0-only OR GPL-3.0-only OR LicenseRef-KDE-Accepted-GPL
+-->
+
 <PreferenceScreen xmlns:tools="http://schemas.android.com/tools"
     xmlns:android="http://schemas.android.com/apk/res/android"
     tools:keep="@xml/telephonyplugin_preferences">
@@ -8,4 +15,4 @@
         android:key="telephony_blocked_numbers"
         android:title="@string/telephony_pref_blocked_title" />
 
-</PreferenceScreen>
\ No newline at end of file
+</PreferenceScreen>
diff --git a/src/org/kde/kdeconnect/Backends/BluetoothBackend/ConnectionMultiplexer.java b/src/org/kde/kdeconnect/Backends/BluetoothBackend/ConnectionMultiplexer.java
index cf92f481..97244854 100644
--- a/src/org/kde/kdeconnect/Backends/BluetoothBackend/ConnectionMultiplexer.java
+++ b/src/org/kde/kdeconnect/Backends/BluetoothBackend/ConnectionMultiplexer.java
@@ -1,3 +1,9 @@
+/*
+ * SPDX-FileCopyrightText: 2019 Matthijs Tijink <matthijstijink@gmail.com>
+ *
+ * SPDX-License-Identifier: GPL-2.0-only OR GPL-3.0-only OR LicenseRef-KDE-Accepted-GPL
+*/
+
 package org.kde.kdeconnect.Backends.BluetoothBackend;
 
 import android.bluetooth.BluetoothSocket;
diff --git a/src/org/kde/kdeconnect/Device.java b/src/org/kde/kdeconnect/Device.java
index a3515121..c0fb68b7 100644
--- a/src/org/kde/kdeconnect/Device.java
+++ b/src/org/kde/kdeconnect/Device.java
@@ -1,5 +1,5 @@
 /*
- * SPDX-FileCopyrightText: 2014 Albert Vaca Cintora <albertvaka@gmail.com>
+ * SPDX-FileCopyrightText: 2023 Albert Vaca Cintora <albertvaka@gmail.com>
  *
  * SPDX-License-Identifier: GPL-2.0-only OR GPL-3.0-only OR LicenseRef-KDE-Accepted-GPL
 */
diff --git a/src/org/kde/kdeconnect/DevicePacketQueue.java b/src/org/kde/kdeconnect/DevicePacketQueue.java
index 6ebd98ef..7e3befdb 100644
--- a/src/org/kde/kdeconnect/DevicePacketQueue.java
+++ b/src/org/kde/kdeconnect/DevicePacketQueue.java
@@ -1,3 +1,9 @@
+/*
+ * SPDX-FileCopyrightText: 2019 Matthijs Tijink <matthijstijink@gmail.com>
+ *
+ * SPDX-License-Identifier: GPL-2.0-only OR GPL-3.0-only OR LicenseRef-KDE-Accepted-GPL
+*/
+
 package org.kde.kdeconnect;
 
 import android.util.Log;
diff --git a/src/org/kde/kdeconnect/DeviceStats.java b/src/org/kde/kdeconnect/DeviceStats.java
index 2a9c2ca4..4b3586f6 100644
--- a/src/org/kde/kdeconnect/DeviceStats.java
+++ b/src/org/kde/kdeconnect/DeviceStats.java
@@ -1,3 +1,9 @@
+/*
+ * SPDX-FileCopyrightText: 2023 Albert Vaca Cintora <albertvaka@gmail.com>
+ *
+ * SPDX-License-Identifier: GPL-2.0-only OR GPL-3.0-only OR LicenseRef-KDE-Accepted-GPL
+*/
+
 package org.kde.kdeconnect;
 
 import android.os.Build;
diff --git a/src/org/kde/kdeconnect/Helpers/LifecycleHelper.java b/src/org/kde/kdeconnect/Helpers/LifecycleHelper.java
index 70982823..fe768932 100644
--- a/src/org/kde/kdeconnect/Helpers/LifecycleHelper.java
+++ b/src/org/kde/kdeconnect/Helpers/LifecycleHelper.java
@@ -1,3 +1,9 @@
+/*
+ * SPDX-FileCopyrightText: 2020 Erik Duisters <e.duisters1@gmail.com>
+ *
+ * SPDX-License-Identifier: GPL-2.0-only OR GPL-3.0-only OR LicenseRef-KDE-Accepted-GPL
+*/
+
 package org.kde.kdeconnect.Helpers;
 
 import androidx.annotation.NonNull;
diff --git a/src/org/kde/kdeconnect/Helpers/MediaStoreHelper.java b/src/org/kde/kdeconnect/Helpers/MediaStoreHelper.java
index 6b3ea149..13e5070e 100644
--- a/src/org/kde/kdeconnect/Helpers/MediaStoreHelper.java
+++ b/src/org/kde/kdeconnect/Helpers/MediaStoreHelper.java
@@ -1,3 +1,9 @@
+/*
+ * SPDX-FileCopyrightText: 2023 Albert Vaca Cintora <albertvaka@gmail.com>
+ *
+ * SPDX-License-Identifier: GPL-2.0-only OR GPL-3.0-only OR LicenseRef-KDE-Accepted-GPL
+*/
+
 package org.kde.kdeconnect.Helpers;
 
 import android.content.Context;
diff --git a/src/org/kde/kdeconnect/Helpers/NotificationHelper.java b/src/org/kde/kdeconnect/Helpers/NotificationHelper.java
index 6b5a62a9..4d730f2c 100644
--- a/src/org/kde/kdeconnect/Helpers/NotificationHelper.java
+++ b/src/org/kde/kdeconnect/Helpers/NotificationHelper.java
@@ -1,3 +1,9 @@
+/*
+ * SPDX-FileCopyrightText: 2023 Albert Vaca Cintora <albertvaka@gmail.com>
+ *
+ * SPDX-License-Identifier: GPL-2.0-only OR GPL-3.0-only OR LicenseRef-KDE-Accepted-GPL
+*/
+
 package org.kde.kdeconnect.Helpers;
 
 import android.app.Notification;
diff --git a/src/org/kde/kdeconnect/Helpers/RandomHelper.java b/src/org/kde/kdeconnect/Helpers/RandomHelper.java
index 8b4d40cf..8a073c54 100644
--- a/src/org/kde/kdeconnect/Helpers/RandomHelper.java
+++ b/src/org/kde/kdeconnect/Helpers/RandomHelper.java
@@ -1,3 +1,9 @@
+/*
+ * SPDX-FileCopyrightText: 2023 Albert Vaca Cintora <albertvaka@gmail.com>
+ *
+ * SPDX-License-Identifier: GPL-2.0-only OR GPL-3.0-only OR LicenseRef-KDE-Accepted-GPL
+*/
+
 package org.kde.kdeconnect.Helpers;
 
 
diff --git a/src/org/kde/kdeconnect/Helpers/ThreadHelper.kt b/src/org/kde/kdeconnect/Helpers/ThreadHelper.kt
index 1a35eaa4..0d0a8f4d 100644
--- a/src/org/kde/kdeconnect/Helpers/ThreadHelper.kt
+++ b/src/org/kde/kdeconnect/Helpers/ThreadHelper.kt
@@ -1,3 +1,9 @@
+/*
+ * SPDX-FileCopyrightText: 2022 Wojciech Matuszewski <combaine@gmail.com>
+ *
+ * SPDX-License-Identifier: GPL-2.0-only OR GPL-3.0-only OR LicenseRef-KDE-Accepted-GPL
+*/
+
 package org.kde.kdeconnect.Helpers
 
 import java.util.concurrent.ExecutorService
@@ -10,4 +16,4 @@ object ThreadHelper {
     @JvmStatic
     fun execute(command: Runnable) = executor.execute(command)
 
-}
\ No newline at end of file
+}
diff --git a/src/org/kde/kdeconnect/Helpers/TrustedNetworkHelper.java b/src/org/kde/kdeconnect/Helpers/TrustedNetworkHelper.java
index f3195b17..231dbf89 100644
--- a/src/org/kde/kdeconnect/Helpers/TrustedNetworkHelper.java
+++ b/src/org/kde/kdeconnect/Helpers/TrustedNetworkHelper.java
@@ -1,3 +1,9 @@
+/*
+ * SPDX-FileCopyrightText: 2019 Juan David Vega <jdvr.93@hotmail.com>
+ *
+ * SPDX-License-Identifier: GPL-2.0-only OR GPL-3.0-only OR LicenseRef-KDE-Accepted-GPL
+*/
+
 package org.kde.kdeconnect.Helpers;
 
 import android.Manifest;
diff --git a/src/org/kde/kdeconnect/Helpers/VideoUrlsHelper.java b/src/org/kde/kdeconnect/Helpers/VideoUrlsHelper.java
index 74c91fee..65546343 100644
--- a/src/org/kde/kdeconnect/Helpers/VideoUrlsHelper.java
+++ b/src/org/kde/kdeconnect/Helpers/VideoUrlsHelper.java
@@ -1,3 +1,9 @@
+/*
+ * SPDX-FileCopyrightText: 2020 Soul Trace <S-trace@list.ru>
+ *
+ * SPDX-License-Identifier: GPL-2.0-only OR GPL-3.0-only OR LicenseRef-KDE-Accepted-GPL
+*/
+
 package org.kde.kdeconnect.Helpers;
 
 import org.apache.commons.lang3.StringUtils;
diff --git a/src/org/kde/kdeconnect/KdeConnect.java b/src/org/kde/kdeconnect/KdeConnect.java
index b4e2138c..9a769adc 100644
--- a/src/org/kde/kdeconnect/KdeConnect.java
+++ b/src/org/kde/kdeconnect/KdeConnect.java
@@ -1,3 +1,9 @@
+/*
+ * SPDX-FileCopyrightText: 2023 Albert Vaca Cintora <albertvaka@gmail.com>
+ *
+ * SPDX-License-Identifier: GPL-2.0-only OR GPL-3.0-only OR LicenseRef-KDE-Accepted-GPL
+*/
+
 package org.kde.kdeconnect;
 
 import android.app.Application;
diff --git a/src/org/kde/kdeconnect/Plugins/BatteryPlugin/DeviceBatteryInfo.kt b/src/org/kde/kdeconnect/Plugins/BatteryPlugin/DeviceBatteryInfo.kt
index 4d59e99f..a5119079 100644
--- a/src/org/kde/kdeconnect/Plugins/BatteryPlugin/DeviceBatteryInfo.kt
+++ b/src/org/kde/kdeconnect/Plugins/BatteryPlugin/DeviceBatteryInfo.kt
@@ -1,3 +1,9 @@
+/*
+ * SPDX-FileCopyrightText: 2021 Philip Cohn-Cort <cliabhach@gmail.com>
+ *
+ * SPDX-License-Identifier: GPL-2.0-only OR GPL-3.0-only OR LicenseRef-KDE-Accepted-GPL
+*/
+
 package org.kde.kdeconnect.Plugins.BatteryPlugin
 
 import org.kde.kdeconnect.NetworkPacket
@@ -27,4 +33,4 @@ data class DeviceBatteryInfo(
                     np.getBoolean("isCharging"),
                     np.getInt("thresholdEvent", 0)
             )
-}
\ No newline at end of file
+}
diff --git a/src/org/kde/kdeconnect/Plugins/ConnectivityReportPlugin/SubscriptionState.java b/src/org/kde/kdeconnect/Plugins/ConnectivityReportPlugin/SubscriptionState.java
index 30aad6d2..e4ded172 100644
--- a/src/org/kde/kdeconnect/Plugins/ConnectivityReportPlugin/SubscriptionState.java
+++ b/src/org/kde/kdeconnect/Plugins/ConnectivityReportPlugin/SubscriptionState.java
@@ -1,3 +1,9 @@
+/*
+ * SPDX-FileCopyrightText: 2021 David Shlemayev <david.shlemayev@gmail.com>
+ *
+ * SPDX-License-Identifier: GPL-2.0-only OR GPL-3.0-only OR LicenseRef-KDE-Accepted-GPL
+*/
+
 package org.kde.kdeconnect.Plugins.ConnectivityReportPlugin;
 
 public class SubscriptionState {
diff --git a/src/org/kde/kdeconnect/Plugins/FindMyPhonePlugin/FindMyPhoneReceiver.java b/src/org/kde/kdeconnect/Plugins/FindMyPhonePlugin/FindMyPhoneReceiver.java
index 9595e474..f683b054 100644
--- a/src/org/kde/kdeconnect/Plugins/FindMyPhonePlugin/FindMyPhoneReceiver.java
+++ b/src/org/kde/kdeconnect/Plugins/FindMyPhonePlugin/FindMyPhoneReceiver.java
@@ -1,3 +1,9 @@
+/*
+ * SPDX-FileCopyrightText: 2015 David Edmundson <kde@davidedmundson.co.uk>
+ *
+ * SPDX-License-Identifier: GPL-2.0-only OR GPL-3.0-only OR LicenseRef-KDE-Accepted-GPL
+*/
+
 package org.kde.kdeconnect.Plugins.FindMyPhonePlugin;
 
 import android.content.BroadcastReceiver;
diff --git a/src/org/kde/kdeconnect/Plugins/MousePadPlugin/KeyInputConnection.java b/src/org/kde/kdeconnect/Plugins/MousePadPlugin/KeyInputConnection.java
index f382a3c6..fb882a5b 100644
--- a/src/org/kde/kdeconnect/Plugins/MousePadPlugin/KeyInputConnection.java
+++ b/src/org/kde/kdeconnect/Plugins/MousePadPlugin/KeyInputConnection.java
@@ -1,3 +1,9 @@
+/*
+ * SPDX-FileCopyrightText: 2015 David Edmundson <kde@davidedmundson.co.uk>
+ *
+ * SPDX-License-Identifier: GPL-2.0-only OR GPL-3.0-only OR LicenseRef-KDE-Accepted-GPL
+*/
+
 package org.kde.kdeconnect.Plugins.MousePadPlugin;
 
 import android.view.inputmethod.BaseInputConnection;
@@ -15,4 +21,4 @@ class KeyInputConnection extends BaseInputConnection {
         view.sendChars(text);
         return true;
     }
-}
\ No newline at end of file
+}
diff --git a/src/org/kde/kdeconnect/Plugins/MousePadPlugin/PointerAccelerationProfile.java b/src/org/kde/kdeconnect/Plugins/MousePadPlugin/PointerAccelerationProfile.java
index 301b58e5..f8144657 100644
--- a/src/org/kde/kdeconnect/Plugins/MousePadPlugin/PointerAccelerationProfile.java
+++ b/src/org/kde/kdeconnect/Plugins/MousePadPlugin/PointerAccelerationProfile.java
@@ -1,3 +1,9 @@
+/*
+ * SPDX-FileCopyrightText: 2018 Chansol Yang <CosmicSubspace@gmail.com>
+ *
+ * SPDX-License-Identifier: GPL-2.0-only OR GPL-3.0-only OR LicenseRef-KDE-Accepted-GPL
+*/
+
 package org.kde.kdeconnect.Plugins.MousePadPlugin;
 
 /* Base class for a pointer acceleration profile. */
diff --git a/src/org/kde/kdeconnect/Plugins/MousePadPlugin/PointerAccelerationProfileFactory.java b/src/org/kde/kdeconnect/Plugins/MousePadPlugin/PointerAccelerationProfileFactory.java
index 25bb1050..24253afd 100644
--- a/src/org/kde/kdeconnect/Plugins/MousePadPlugin/PointerAccelerationProfileFactory.java
+++ b/src/org/kde/kdeconnect/Plugins/MousePadPlugin/PointerAccelerationProfileFactory.java
@@ -1,3 +1,9 @@
+/*
+ * SPDX-FileCopyrightText: 2018 Chansol Yang <CosmicSubspace@gmail.com>
+ *
+ * SPDX-License-Identifier: GPL-2.0-only OR GPL-3.0-only OR LicenseRef-KDE-Accepted-GPL
+*/
+
 package org.kde.kdeconnect.Plugins.MousePadPlugin;
 
 
diff --git a/src/org/kde/kdeconnect/Plugins/MprisPlugin/ExtendedFragmentAdapter.java b/src/org/kde/kdeconnect/Plugins/MprisPlugin/ExtendedFragmentAdapter.java
index 4b20c776..a2ca5336 100644
--- a/src/org/kde/kdeconnect/Plugins/MprisPlugin/ExtendedFragmentAdapter.java
+++ b/src/org/kde/kdeconnect/Plugins/MprisPlugin/ExtendedFragmentAdapter.java
@@ -1,3 +1,9 @@
+/*
+ * SPDX-FileCopyrightText: 2021 Art Pinch <leonardo906@mail.ru>
+ *
+ * SPDX-License-Identifier: GPL-2.0-only OR GPL-3.0-only OR LicenseRef-KDE-Accepted-GPL
+*/
+
 package org.kde.kdeconnect.Plugins.MprisPlugin;
 
 import androidx.annotation.NonNull;
diff --git a/src/org/kde/kdeconnect/Plugins/MprisPlugin/MprisNowPlayingFragment.java b/src/org/kde/kdeconnect/Plugins/MprisPlugin/MprisNowPlayingFragment.java
index fa4c0edd..6d1055fa 100644
--- a/src/org/kde/kdeconnect/Plugins/MprisPlugin/MprisNowPlayingFragment.java
+++ b/src/org/kde/kdeconnect/Plugins/MprisPlugin/MprisNowPlayingFragment.java
@@ -1,3 +1,9 @@
+/*
+ * SPDX-FileCopyrightText: 2023 Albert Vaca Cintora <albertvaka@gmail.com>
+ *
+ * SPDX-License-Identifier: GPL-2.0-only OR GPL-3.0-only OR LicenseRef-KDE-Accepted-GPL
+*/
+
 package org.kde.kdeconnect.Plugins.MprisPlugin;
 
 import android.content.ActivityNotFoundException;
diff --git a/src/org/kde/kdeconnect/Plugins/MprisPlugin/VolumeKeyListener.java b/src/org/kde/kdeconnect/Plugins/MprisPlugin/VolumeKeyListener.java
index ffc5d4d1..af7e40bb 100644
--- a/src/org/kde/kdeconnect/Plugins/MprisPlugin/VolumeKeyListener.java
+++ b/src/org/kde/kdeconnect/Plugins/MprisPlugin/VolumeKeyListener.java
@@ -1,3 +1,10 @@
+/*
+ SPDX-FileCopyrightText: 2021 Art Pinch <leonardo906@mail.ru>
+ *
+ * SPDX-License-Identifier: GPL-2.0-only OR GPL-3.0-only OR LicenseRef-KDE-Accepted-GPL
+*/
+
+
 package org.kde.kdeconnect.Plugins.MprisPlugin;
 
 public interface VolumeKeyListener {
diff --git a/src/org/kde/kdeconnect/Plugins/NotificationsPlugin/RepliableNotification.java b/src/org/kde/kdeconnect/Plugins/NotificationsPlugin/RepliableNotification.java
index 1380f279..54ad9e03 100644
--- a/src/org/kde/kdeconnect/Plugins/NotificationsPlugin/RepliableNotification.java
+++ b/src/org/kde/kdeconnect/Plugins/NotificationsPlugin/RepliableNotification.java
@@ -1,3 +1,9 @@
+/*
+ * SPDX-FileCopyrightText: 2017 Julian Wolff <wolff@julianwolff.de>
+ *
+ * SPDX-License-Identifier: GPL-2.0-only OR GPL-3.0-only OR LicenseRef-KDE-Accepted-GPL
+*/
+
 package org.kde.kdeconnect.Plugins.NotificationsPlugin;
 
 import android.app.PendingIntent;
diff --git a/src/org/kde/kdeconnect/Plugins/PhotoPlugin/PhotoActivity.java b/src/org/kde/kdeconnect/Plugins/PhotoPlugin/PhotoActivity.java
index 1a50a346..e1266c92 100644
--- a/src/org/kde/kdeconnect/Plugins/PhotoPlugin/PhotoActivity.java
+++ b/src/org/kde/kdeconnect/Plugins/PhotoPlugin/PhotoActivity.java
@@ -1,3 +1,9 @@
+/*
+ * SPDX-FileCopyrightText: 2019 Nicolas Fella <nicolas.fella@gmx.de>
+ *
+ * SPDX-License-Identifier: GPL-2.0-only OR GPL-3.0-only OR LicenseRef-KDE-Accepted-GPL
+*/
+
 package org.kde.kdeconnect.Plugins.PhotoPlugin;
 
 import android.content.Intent;
diff --git a/src/org/kde/kdeconnect/Plugins/RunCommandPlugin/RunCommandUrlActivity.java b/src/org/kde/kdeconnect/Plugins/RunCommandPlugin/RunCommandUrlActivity.java
index ca7d821b..bad1e688 100644
--- a/src/org/kde/kdeconnect/Plugins/RunCommandPlugin/RunCommandUrlActivity.java
+++ b/src/org/kde/kdeconnect/Plugins/RunCommandPlugin/RunCommandUrlActivity.java
@@ -1,3 +1,9 @@
+/*
+ * SPDX-FileCopyrightText: 2018 Nicolas Fella <nicolas.fella@gmx.de>
+ *
+ * SPDX-License-Identifier: GPL-2.0-only OR GPL-3.0-only OR LicenseRef-KDE-Accepted-GPL
+*/
+
 package org.kde.kdeconnect.Plugins.RunCommandPlugin;
 
 import android.net.Uri;
diff --git a/src/org/kde/kdeconnect/Plugins/RunCommandPlugin/RunCommandWidgetConfigActivity.kt b/src/org/kde/kdeconnect/Plugins/RunCommandPlugin/RunCommandWidgetConfigActivity.kt
index 02d732b2..83b1bb93 100644
--- a/src/org/kde/kdeconnect/Plugins/RunCommandPlugin/RunCommandWidgetConfigActivity.kt
+++ b/src/org/kde/kdeconnect/Plugins/RunCommandPlugin/RunCommandWidgetConfigActivity.kt
@@ -1,3 +1,9 @@
+/*
+ * SPDX-FileCopyrightText: 2023 Albert Vaca Cintora <albertvaka@gmail.com>
+ *
+ * SPDX-License-Identifier: GPL-2.0-only OR GPL-3.0-only OR LicenseRef-KDE-Accepted-GPL
+*/
+
 package org.kde.kdeconnect.Plugins.RunCommandPlugin
 
 import android.appwidget.AppWidgetManager
diff --git a/src/org/kde/kdeconnect/Plugins/RunCommandPlugin/RunCommandWidgetDataProvider.kt b/src/org/kde/kdeconnect/Plugins/RunCommandPlugin/RunCommandWidgetDataProvider.kt
index b847f787..3f50929d 100644
--- a/src/org/kde/kdeconnect/Plugins/RunCommandPlugin/RunCommandWidgetDataProvider.kt
+++ b/src/org/kde/kdeconnect/Plugins/RunCommandPlugin/RunCommandWidgetDataProvider.kt
@@ -1,3 +1,9 @@
+/*
+ * SPDX-FileCopyrightText: 2023 Albert Vaca Cintora <albertvaka@gmail.com>
+ *
+ * SPDX-License-Identifier: GPL-2.0-only OR GPL-3.0-only OR LicenseRef-KDE-Accepted-GPL
+*/
+
 package org.kde.kdeconnect.Plugins.RunCommandPlugin
 
 import android.appwidget.AppWidgetManager
diff --git a/src/org/kde/kdeconnect/Plugins/RunCommandPlugin/RunCommandWidgetProvider.kt b/src/org/kde/kdeconnect/Plugins/RunCommandPlugin/RunCommandWidgetProvider.kt
index 4b52a3b4..64c0842c 100644
--- a/src/org/kde/kdeconnect/Plugins/RunCommandPlugin/RunCommandWidgetProvider.kt
+++ b/src/org/kde/kdeconnect/Plugins/RunCommandPlugin/RunCommandWidgetProvider.kt
@@ -1,3 +1,9 @@
+/*
+ * SPDX-FileCopyrightText: 2023 Albert Vaca Cintora <albertvaka@gmail.com>
+ *
+ * SPDX-License-Identifier: GPL-2.0-only OR GPL-3.0-only OR LicenseRef-KDE-Accepted-GPL
+*/
+
 package org.kde.kdeconnect.Plugins.RunCommandPlugin
 
 import android.app.PendingIntent
diff --git a/src/org/kde/kdeconnect/Plugins/SftpPlugin/StoragePreferenceDialogFragment.java b/src/org/kde/kdeconnect/Plugins/SftpPlugin/StoragePreferenceDialogFragment.java
index 0e288419..282e2065 100644
--- a/src/org/kde/kdeconnect/Plugins/SftpPlugin/StoragePreferenceDialogFragment.java
+++ b/src/org/kde/kdeconnect/Plugins/SftpPlugin/StoragePreferenceDialogFragment.java
@@ -1,3 +1,9 @@
+/*
+ * SPDX-FileCopyrightText: 2019 Erik Duisters <e.duisters1@gmail.com>
+ *
+ * SPDX-License-Identifier: GPL-2.0-only OR GPL-3.0-only OR LicenseRef-KDE-Accepted-GPL
+*/
+
 package org.kde.kdeconnect.Plugins.SftpPlugin;
 
 import android.app.Activity;
diff --git a/src/org/kde/kdeconnect/Plugins/SystemVolumePlugin/ItemGapDecoration.java b/src/org/kde/kdeconnect/Plugins/SystemVolumePlugin/ItemGapDecoration.java
index a1b16c38..305beba7 100644
--- a/src/org/kde/kdeconnect/Plugins/SystemVolumePlugin/ItemGapDecoration.java
+++ b/src/org/kde/kdeconnect/Plugins/SystemVolumePlugin/ItemGapDecoration.java
@@ -1,3 +1,9 @@
+/*
+ * SPDX-FileCopyrightText: 2021 Art Pinch <leonardo906@mail.ru>
+ *
+ * SPDX-License-Identifier: GPL-2.0-only OR GPL-3.0-only OR LicenseRef-KDE-Accepted-GPL
+*/
+
 package org.kde.kdeconnect.Plugins.SystemVolumePlugin;
 
 import android.graphics.Rect;
diff --git a/src/org/kde/kdeconnect/Plugins/SystemVolumePlugin/SinkItemCallback.java b/src/org/kde/kdeconnect/Plugins/SystemVolumePlugin/SinkItemCallback.java
index a14eca5a..bc6866f5 100644
--- a/src/org/kde/kdeconnect/Plugins/SystemVolumePlugin/SinkItemCallback.java
+++ b/src/org/kde/kdeconnect/Plugins/SystemVolumePlugin/SinkItemCallback.java
@@ -1,3 +1,9 @@
+/*
+ * SPDX-FileCopyrightText: 2021 Art Pinch <leonardo906@mail.ru>
+ *
+ * SPDX-License-Identifier: GPL-2.0-only OR GPL-3.0-only OR LicenseRef-KDE-Accepted-GPL
+*/
+
 package org.kde.kdeconnect.Plugins.SystemVolumePlugin;
 
 import androidx.annotation.NonNull;
diff --git a/src/org/kde/kdeconnect/Plugins/SystemVolumePlugin/SinkItemHolder.java b/src/org/kde/kdeconnect/Plugins/SystemVolumePlugin/SinkItemHolder.java
index 111c818a..07f4b262 100644
--- a/src/org/kde/kdeconnect/Plugins/SystemVolumePlugin/SinkItemHolder.java
+++ b/src/org/kde/kdeconnect/Plugins/SystemVolumePlugin/SinkItemHolder.java
@@ -1,3 +1,9 @@
+/*
+ * SPDX-FileCopyrightText: 2021 Art Pinch <leonardo906@mail.ru>
+ *
+ * SPDX-License-Identifier: GPL-2.0-only OR GPL-3.0-only OR LicenseRef-KDE-Accepted-GPL
+*/
+
 package org.kde.kdeconnect.Plugins.SystemVolumePlugin;
 
 import android.view.View;
diff --git a/src/org/kde/kdeconnect/UserInterface/MainActivity.kt b/src/org/kde/kdeconnect/UserInterface/MainActivity.kt
index 21766666..b7731c54 100644
--- a/src/org/kde/kdeconnect/UserInterface/MainActivity.kt
+++ b/src/org/kde/kdeconnect/UserInterface/MainActivity.kt
@@ -1,3 +1,9 @@
+/*
+ * SPDX-FileCopyrightText: 2023 Albert Vaca Cintora <albertvaka@gmail.com>
+ *
+ * SPDX-License-Identifier: GPL-2.0-only OR GPL-3.0-only OR LicenseRef-KDE-Accepted-GPL
+*/
+
 package org.kde.kdeconnect.UserInterface
 
 import android.Manifest
diff --git a/src/org/kde/kdeconnect/UserInterface/PluginPreference.java b/src/org/kde/kdeconnect/UserInterface/PluginPreference.java
index 5b6e5c75..da550100 100644
--- a/src/org/kde/kdeconnect/UserInterface/PluginPreference.java
+++ b/src/org/kde/kdeconnect/UserInterface/PluginPreference.java
@@ -1,3 +1,9 @@
+/*
+ * SPDX-FileCopyrightText: 2023 Albert Vaca Cintora <albertvaka@gmail.com>
+ *
+ * SPDX-License-Identifier: GPL-2.0-only OR GPL-3.0-only OR LicenseRef-KDE-Accepted-GPL
+*/
+
 package org.kde.kdeconnect.UserInterface;
 
 import android.content.Context;
diff --git a/src/org/kde/kdeconnect/UserInterface/SettingsFragment.java b/src/org/kde/kdeconnect/UserInterface/SettingsFragment.java
index 98a36ea3..e3e8fd1b 100644
--- a/src/org/kde/kdeconnect/UserInterface/SettingsFragment.java
+++ b/src/org/kde/kdeconnect/UserInterface/SettingsFragment.java
@@ -1,3 +1,9 @@
+/*
+ * SPDX-FileCopyrightText: 2023 Albert Vaca Cintora <albertvaka@gmail.com>
+ *
+ * SPDX-License-Identifier: GPL-2.0-only OR GPL-3.0-only OR LicenseRef-KDE-Accepted-GPL
+*/
+
 package org.kde.kdeconnect.UserInterface;
 
 import android.content.Context;
diff --git a/src/org/kde/kdeconnect/UserInterface/ThemeUtil.java b/src/org/kde/kdeconnect/UserInterface/ThemeUtil.java
index e2feff76..4ef247fe 100644
--- a/src/org/kde/kdeconnect/UserInterface/ThemeUtil.java
+++ b/src/org/kde/kdeconnect/UserInterface/ThemeUtil.java
@@ -1,3 +1,10 @@
+/*
+ * SPDX-FileCopyrightText: 2018 Philip Cohn-Cort <cliabhach@gmail.com>
+ *
+ * SPDX-License-Identifier: GPL-2.0-only OR GPL-3.0-only OR LicenseRef-KDE-Accepted-GPL
+*/
+
+
 package org.kde.kdeconnect.UserInterface;
 
 import android.app.Application;
diff --git a/src/org/kde/kdeconnect/UserInterface/TrustedNetworksActivity.java b/src/org/kde/kdeconnect/UserInterface/TrustedNetworksActivity.java
index 57d4717b..18a13f95 100644
--- a/src/org/kde/kdeconnect/UserInterface/TrustedNetworksActivity.java
+++ b/src/org/kde/kdeconnect/UserInterface/TrustedNetworksActivity.java
@@ -1,3 +1,10 @@
+/*
+ * SPDX-FileCopyrightText: 2019 Juan David Vega <jdvr.93@hotmail.com>
+ *
+ * SPDX-License-Identifier: GPL-2.0-only OR GPL-3.0-only OR LicenseRef-KDE-Accepted-GPL
+*/
+
+
 package org.kde.kdeconnect.UserInterface;
 
 import android.Manifest;