global: Add or update copyright headers in Java code

Signed-off-by: Samuel Holland <samuel@sholland.org>

45 files changed, 224 insertions, 1 deletions

diff --git a/app/src/main/java/com/wireguard/android/Application.java b/app/src/main/java/com/wireguard/android/Application.java
index f3cf0887..88e635f9 100644
--- a/app/src/main/java/com/wireguard/android/Application.java
+++ b/app/src/main/java/com/wireguard/android/Application.java
@@ -1,3 +1,8 @@
+/*
+ * Copyright © 2018 Samuel Holland <samuel@sholland.org>
+ * SPDX-License-Identifier: GPL-2.0-or-later
+ */
+
 package com.wireguard.android;
 
 import android.content.Context;
diff --git a/app/src/main/java/com/wireguard/android/BootShutdownReceiver.java b/app/src/main/java/com/wireguard/android/BootShutdownReceiver.java
index 001c3b55..c26a34d6 100644
--- a/app/src/main/java/com/wireguard/android/BootShutdownReceiver.java
+++ b/app/src/main/java/com/wireguard/android/BootShutdownReceiver.java
@@ -1,3 +1,8 @@
+/*
+ * Copyright © 2018 Samuel Holland <samuel@sholland.org>
+ * SPDX-License-Identifier: GPL-2.0-or-later
+ */
+
 package com.wireguard.android;
 
 import android.content.BroadcastReceiver;
diff --git a/app/src/main/java/com/wireguard/android/QuickTileService.java b/app/src/main/java/com/wireguard/android/QuickTileService.java
index f23eb4ba..2f8359f2 100644
--- a/app/src/main/java/com/wireguard/android/QuickTileService.java
+++ b/app/src/main/java/com/wireguard/android/QuickTileService.java
@@ -1,3 +1,8 @@
+/*
+ * Copyright © 2018 Samuel Holland <samuel@sholland.org>
+ * SPDX-License-Identifier: GPL-2.0-or-later
+ */
+
 package com.wireguard.android;
 
 import android.annotation.TargetApi;
diff --git a/app/src/main/java/com/wireguard/android/activity/BaseActivity.java b/app/src/main/java/com/wireguard/android/activity/BaseActivity.java
index 6ee9ff14..23607e99 100644
--- a/app/src/main/java/com/wireguard/android/activity/BaseActivity.java
+++ b/app/src/main/java/com/wireguard/android/activity/BaseActivity.java
@@ -1,3 +1,8 @@
+/*
+ * Copyright © 2018 Samuel Holland <samuel@sholland.org>
+ * SPDX-License-Identifier: GPL-2.0-or-later
+ */
+
 package com.wireguard.android.activity;
 
 import android.content.Intent;
diff --git a/app/src/main/java/com/wireguard/android/activity/MainActivity.java b/app/src/main/java/com/wireguard/android/activity/MainActivity.java
index 307d0bf6..053d72af 100644
--- a/app/src/main/java/com/wireguard/android/activity/MainActivity.java
+++ b/app/src/main/java/com/wireguard/android/activity/MainActivity.java
@@ -1,3 +1,8 @@
+/*
+ * Copyright © 2018 Samuel Holland <samuel@sholland.org>
+ * SPDX-License-Identifier: GPL-2.0-or-later
+ */
+
 package com.wireguard.android.activity;
 
 import android.content.Intent;
diff --git a/app/src/main/java/com/wireguard/android/activity/SettingsActivity.java b/app/src/main/java/com/wireguard/android/activity/SettingsActivity.java
index 46a90daa..4be7f2b7 100644
--- a/app/src/main/java/com/wireguard/android/activity/SettingsActivity.java
+++ b/app/src/main/java/com/wireguard/android/activity/SettingsActivity.java
@@ -1,3 +1,8 @@
+/*
+ * Copyright © 2018 Samuel Holland <samuel@sholland.org>
+ * SPDX-License-Identifier: GPL-2.0-or-later
+ */
+
 package com.wireguard.android.activity;
 
 import android.content.pm.PackageManager;
diff --git a/app/src/main/java/com/wireguard/android/activity/TunnelCreatorActivity.java b/app/src/main/java/com/wireguard/android/activity/TunnelCreatorActivity.java
index dc25d463..c91cf119 100644
--- a/app/src/main/java/com/wireguard/android/activity/TunnelCreatorActivity.java
+++ b/app/src/main/java/com/wireguard/android/activity/TunnelCreatorActivity.java
@@ -1,3 +1,8 @@
+/*
+ * Copyright © 2018 Samuel Holland <samuel@sholland.org>
+ * SPDX-License-Identifier: GPL-2.0-or-later
+ */
+
 package com.wireguard.android.activity;
 
 import android.os.Bundle;
diff --git a/app/src/main/java/com/wireguard/android/backend/Backend.java b/app/src/main/java/com/wireguard/android/backend/Backend.java
index 3f0e19ca..13de33f2 100644
--- a/app/src/main/java/com/wireguard/android/backend/Backend.java
+++ b/app/src/main/java/com/wireguard/android/backend/Backend.java
@@ -1,3 +1,8 @@
+/*
+ * Copyright © 2018 Samuel Holland <samuel@sholland.org>
+ * SPDX-License-Identifier: GPL-2.0-or-later
+ */
+
 package com.wireguard.android.backend;
 
 import com.wireguard.android.model.Tunnel;
diff --git a/app/src/main/java/com/wireguard/android/backend/GoBackend.java b/app/src/main/java/com/wireguard/android/backend/GoBackend.java
index e055c353..4f32297a 100644
--- a/app/src/main/java/com/wireguard/android/backend/GoBackend.java
+++ b/app/src/main/java/com/wireguard/android/backend/GoBackend.java
@@ -1,3 +1,8 @@
+/*
+ * Copyright © 2018 Samuel Holland <samuel@sholland.org>
+ * SPDX-License-Identifier: GPL-2.0-or-later
+ */
+
 package com.wireguard.android.backend;
 
 import android.content.Context;
diff --git a/app/src/main/java/com/wireguard/android/backend/WgQuickBackend.java b/app/src/main/java/com/wireguard/android/backend/WgQuickBackend.java
index b9eb3461..b656ba71 100644
--- a/app/src/main/java/com/wireguard/android/backend/WgQuickBackend.java
+++ b/app/src/main/java/com/wireguard/android/backend/WgQuickBackend.java
@@ -1,3 +1,8 @@
+/*
+ * Copyright © 2018 Samuel Holland <samuel@sholland.org>
+ * SPDX-License-Identifier: GPL-2.0-or-later
+ */
+
 package com.wireguard.android.backend;
 
 import android.content.BroadcastReceiver;
diff --git a/app/src/main/java/com/wireguard/android/configStore/ConfigStore.java b/app/src/main/java/com/wireguard/android/configStore/ConfigStore.java
index 3995376c..6cd9c917 100644
--- a/app/src/main/java/com/wireguard/android/configStore/ConfigStore.java
+++ b/app/src/main/java/com/wireguard/android/configStore/ConfigStore.java
@@ -1,3 +1,8 @@
+/*
+ * Copyright © 2018 Samuel Holland <samuel@sholland.org>
+ * SPDX-License-Identifier: GPL-2.0-or-later
+ */
+
 package com.wireguard.android.configStore;
 
 import com.wireguard.config.Config;
diff --git a/app/src/main/java/com/wireguard/android/configStore/FileConfigStore.java b/app/src/main/java/com/wireguard/android/configStore/FileConfigStore.java
index ea5baf6d..da16e7b2 100644
--- a/app/src/main/java/com/wireguard/android/configStore/FileConfigStore.java
+++ b/app/src/main/java/com/wireguard/android/configStore/FileConfigStore.java
@@ -1,3 +1,8 @@
+/*
+ * Copyright © 2018 Samuel Holland <samuel@sholland.org>
+ * SPDX-License-Identifier: GPL-2.0-or-later
+ */
+
 package com.wireguard.android.configStore;
 
 import android.content.Context;
diff --git a/app/src/main/java/com/wireguard/android/databinding/BindingAdapters.java b/app/src/main/java/com/wireguard/android/databinding/BindingAdapters.java
index d4dd3726..5a1bec1b 100644
--- a/app/src/main/java/com/wireguard/android/databinding/BindingAdapters.java
+++ b/app/src/main/java/com/wireguard/android/databinding/BindingAdapters.java
@@ -1,3 +1,8 @@
+/*
+ * Copyright © 2018 Samuel Holland <samuel@sholland.org>
+ * SPDX-License-Identifier: GPL-2.0-or-later
+ */
+
 package com.wireguard.android.databinding;
 
 import android.databinding.BindingAdapter;
diff --git a/app/src/main/java/com/wireguard/android/databinding/ItemChangeListener.java b/app/src/main/java/com/wireguard/android/databinding/ItemChangeListener.java
index 2b693c9f..ef607650 100644
--- a/app/src/main/java/com/wireguard/android/databinding/ItemChangeListener.java
+++ b/app/src/main/java/com/wireguard/android/databinding/ItemChangeListener.java
@@ -1,3 +1,8 @@
+/*
+ * Copyright © 2018 Samuel Holland <samuel@sholland.org>
+ * SPDX-License-Identifier: GPL-2.0-or-later
+ */
+
 package com.wireguard.android.databinding;
 
 import android.databinding.DataBindingUtil;
diff --git a/app/src/main/java/com/wireguard/android/databinding/ObservableKeyedListAdapter.java b/app/src/main/java/com/wireguard/android/databinding/ObservableKeyedListAdapter.java
index b22c8909..b444e151 100644
--- a/app/src/main/java/com/wireguard/android/databinding/ObservableKeyedListAdapter.java
+++ b/app/src/main/java/com/wireguard/android/databinding/ObservableKeyedListAdapter.java
@@ -1,3 +1,8 @@
+/*
+ * Copyright © 2018 Samuel Holland <samuel@sholland.org>
+ * SPDX-License-Identifier: GPL-2.0-or-later
+ */
+
 package com.wireguard.android.databinding;
 
 import android.content.Context;
diff --git a/app/src/main/java/com/wireguard/android/fragment/BaseFragment.java b/app/src/main/java/com/wireguard/android/fragment/BaseFragment.java
index 9bfeeb5c..4505d212 100644
--- a/app/src/main/java/com/wireguard/android/fragment/BaseFragment.java
+++ b/app/src/main/java/com/wireguard/android/fragment/BaseFragment.java
@@ -1,3 +1,8 @@
+/*
+ * Copyright © 2018 Samuel Holland <samuel@sholland.org>
+ * SPDX-License-Identifier: GPL-2.0-or-later
+ */
+
 package com.wireguard.android.fragment;
 
 import android.content.Context;
diff --git a/app/src/main/java/com/wireguard/android/fragment/TunnelController.java b/app/src/main/java/com/wireguard/android/fragment/TunnelController.java
index a5b147e7..03c82b1b 100644
--- a/app/src/main/java/com/wireguard/android/fragment/TunnelController.java
+++ b/app/src/main/java/com/wireguard/android/fragment/TunnelController.java
@@ -1,3 +1,8 @@
+/*
+ * Copyright © 2018 Samuel Holland <samuel@sholland.org>
+ * SPDX-License-Identifier: GPL-2.0-or-later
+ */
+
 package com.wireguard.android.fragment;
 
 import android.content.Context;
diff --git a/app/src/main/java/com/wireguard/android/fragment/TunnelDetailFragment.java b/app/src/main/java/com/wireguard/android/fragment/TunnelDetailFragment.java
index 01fa594b..d5cbfd4b 100644
--- a/app/src/main/java/com/wireguard/android/fragment/TunnelDetailFragment.java
+++ b/app/src/main/java/com/wireguard/android/fragment/TunnelDetailFragment.java
@@ -1,3 +1,8 @@
+/*
+ * Copyright © 2018 Samuel Holland <samuel@sholland.org>
+ * SPDX-License-Identifier: GPL-2.0-or-later
+ */
+
 package com.wireguard.android.fragment;
 
 import android.os.Bundle;
diff --git a/app/src/main/java/com/wireguard/android/fragment/TunnelEditorFragment.java b/app/src/main/java/com/wireguard/android/fragment/TunnelEditorFragment.java
index f0731587..5d9f6b62 100644
--- a/app/src/main/java/com/wireguard/android/fragment/TunnelEditorFragment.java
+++ b/app/src/main/java/com/wireguard/android/fragment/TunnelEditorFragment.java
@@ -1,3 +1,8 @@
+/*
+ * Copyright © 2018 Samuel Holland <samuel@sholland.org>
+ * SPDX-License-Identifier: GPL-2.0-or-later
+ */
+
 package com.wireguard.android.fragment;
 
 import android.app.Activity;
diff --git a/app/src/main/java/com/wireguard/android/fragment/TunnelListFragment.java b/app/src/main/java/com/wireguard/android/fragment/TunnelListFragment.java
index 9fc7346b..89f1b893 100644
--- a/app/src/main/java/com/wireguard/android/fragment/TunnelListFragment.java
+++ b/app/src/main/java/com/wireguard/android/fragment/TunnelListFragment.java
@@ -1,3 +1,8 @@
+/*
+ * Copyright © 2018 Samuel Holland <samuel@sholland.org>
+ * SPDX-License-Identifier: GPL-2.0-or-later
+ */
+
 package com.wireguard.android.fragment;
 
 import android.annotation.SuppressLint;
diff --git a/app/src/main/java/com/wireguard/android/model/Tunnel.java b/app/src/main/java/com/wireguard/android/model/Tunnel.java
index 037b380f..934b3018 100644
--- a/app/src/main/java/com/wireguard/android/model/Tunnel.java
+++ b/app/src/main/java/com/wireguard/android/model/Tunnel.java
@@ -1,3 +1,8 @@
+/*
+ * Copyright © 2018 Samuel Holland <samuel@sholland.org>
+ * SPDX-License-Identifier: GPL-2.0-or-later
+ */
+
 package com.wireguard.android.model;
 
 import android.databinding.BaseObservable;
diff --git a/app/src/main/java/com/wireguard/android/model/TunnelManager.java b/app/src/main/java/com/wireguard/android/model/TunnelManager.java
index 72980f5e..f8e69e84 100644
--- a/app/src/main/java/com/wireguard/android/model/TunnelManager.java
+++ b/app/src/main/java/com/wireguard/android/model/TunnelManager.java
@@ -1,3 +1,8 @@
+/*
+ * Copyright © 2018 Samuel Holland <samuel@sholland.org>
+ * SPDX-License-Identifier: GPL-2.0-or-later
+ */
+
 package com.wireguard.android.model;
 
 import android.content.SharedPreferences;
diff --git a/app/src/main/java/com/wireguard/android/preference/ToolsInstallerPreference.java b/app/src/main/java/com/wireguard/android/preference/ToolsInstallerPreference.java
index 5c919aae..9fab78a4 100644
--- a/app/src/main/java/com/wireguard/android/preference/ToolsInstallerPreference.java
+++ b/app/src/main/java/com/wireguard/android/preference/ToolsInstallerPreference.java
@@ -1,3 +1,8 @@
+/*
+ * Copyright © 2018 Samuel Holland <samuel@sholland.org>
+ * SPDX-License-Identifier: GPL-2.0-or-later
+ */
+
 package com.wireguard.android.preference;
 
 import android.content.Context;
diff --git a/app/src/main/java/com/wireguard/android/preference/ZipExporterPreference.java b/app/src/main/java/com/wireguard/android/preference/ZipExporterPreference.java
index 53c19b3c..6077b0d5 100644
--- a/app/src/main/java/com/wireguard/android/preference/ZipExporterPreference.java
+++ b/app/src/main/java/com/wireguard/android/preference/ZipExporterPreference.java
@@ -1,3 +1,8 @@
+/*
+ * Copyright © 2018 Samuel Holland <samuel@sholland.org>
+ * SPDX-License-Identifier: GPL-2.0-or-later
+ */
+
 package com.wireguard.android.preference;
 
 import android.Manifest;
diff --git a/app/src/main/java/com/wireguard/android/util/AsyncWorker.java b/app/src/main/java/com/wireguard/android/util/AsyncWorker.java
index 394b500f..85d2a407 100644
--- a/app/src/main/java/com/wireguard/android/util/AsyncWorker.java
+++ b/app/src/main/java/com/wireguard/android/util/AsyncWorker.java
@@ -1,3 +1,8 @@
+/*
+ * Copyright © 2018 Samuel Holland <samuel@sholland.org>
+ * SPDX-License-Identifier: GPL-2.0-or-later
+ */
+
 package com.wireguard.android.util;
 
 import android.os.Handler;
diff --git a/app/src/main/java/com/wireguard/android/util/ClipboardUtils.java b/app/src/main/java/com/wireguard/android/util/ClipboardUtils.java
index 5cc32c5c..313c7f0e 100644
--- a/app/src/main/java/com/wireguard/android/util/ClipboardUtils.java
+++ b/app/src/main/java/com/wireguard/android/util/ClipboardUtils.java
@@ -1,3 +1,8 @@
+/*
+ * Copyright © 2018 Samuel Holland <samuel@sholland.org>
+ * SPDX-License-Identifier: GPL-2.0-or-later
+ */
+
 package com.wireguard.android.util;
 
 import android.content.ClipData;
diff --git a/app/src/main/java/com/wireguard/android/util/ExceptionLoggers.java b/app/src/main/java/com/wireguard/android/util/ExceptionLoggers.java
index 46922dd8..332c168c 100644
--- a/app/src/main/java/com/wireguard/android/util/ExceptionLoggers.java
+++ b/app/src/main/java/com/wireguard/android/util/ExceptionLoggers.java
@@ -1,3 +1,8 @@
+/*
+ * Copyright © 2018 Samuel Holland <samuel@sholland.org>
+ * SPDX-License-Identifier: GPL-2.0-or-later
+ */
+
 package com.wireguard.android.util;
 
 import android.util.Log;
diff --git a/app/src/main/java/com/wireguard/android/util/Keyed.java b/app/src/main/java/com/wireguard/android/util/Keyed.java
index d79fdb97..7b8e9be9 100644
--- a/app/src/main/java/com/wireguard/android/util/Keyed.java
+++ b/app/src/main/java/com/wireguard/android/util/Keyed.java
@@ -1,3 +1,8 @@
+/*
+ * Copyright © 2018 Samuel Holland <samuel@sholland.org>
+ * SPDX-License-Identifier: GPL-2.0-or-later
+ */
+
 package com.wireguard.android.util;
 
 /**
diff --git a/app/src/main/java/com/wireguard/android/util/KeyedList.java b/app/src/main/java/com/wireguard/android/util/KeyedList.java
index 4eae34ff..5fb7a0a6 100644
--- a/app/src/main/java/com/wireguard/android/util/KeyedList.java
+++ b/app/src/main/java/com/wireguard/android/util/KeyedList.java
@@ -1,3 +1,8 @@
+/*
+ * Copyright © 2018 Samuel Holland <samuel@sholland.org>
+ * SPDX-License-Identifier: GPL-2.0-or-later
+ */
+
 package com.wireguard.android.util;
 
 import java.util.Collection;
diff --git a/app/src/main/java/com/wireguard/android/util/ObservableKeyedArrayList.java b/app/src/main/java/com/wireguard/android/util/ObservableKeyedArrayList.java
index 6ba76207..0bfbe929 100644
--- a/app/src/main/java/com/wireguard/android/util/ObservableKeyedArrayList.java
+++ b/app/src/main/java/com/wireguard/android/util/ObservableKeyedArrayList.java
@@ -1,3 +1,8 @@
+/*
+ * Copyright © 2018 Samuel Holland <samuel@sholland.org>
+ * SPDX-License-Identifier: GPL-2.0-or-later
+ */
+
 package com.wireguard.android.util;
 
 import android.databinding.ObservableArrayList;
diff --git a/app/src/main/java/com/wireguard/android/util/ObservableKeyedList.java b/app/src/main/java/com/wireguard/android/util/ObservableKeyedList.java
index af9fd34d..5305872d 100644
--- a/app/src/main/java/com/wireguard/android/util/ObservableKeyedList.java
+++ b/app/src/main/java/com/wireguard/android/util/ObservableKeyedList.java
@@ -1,3 +1,8 @@
+/*
+ * Copyright © 2018 Samuel Holland <samuel@sholland.org>
+ * SPDX-License-Identifier: GPL-2.0-or-later
+ */
+
 package com.wireguard.android.util;
 
 import android.databinding.ObservableList;
diff --git a/app/src/main/java/com/wireguard/android/util/ObservableSortedKeyedArrayList.java b/app/src/main/java/com/wireguard/android/util/ObservableSortedKeyedArrayList.java
index 7ffffc4c..222422ff 100644
--- a/app/src/main/java/com/wireguard/android/util/ObservableSortedKeyedArrayList.java
+++ b/app/src/main/java/com/wireguard/android/util/ObservableSortedKeyedArrayList.java
@@ -1,3 +1,8 @@
+/*
+ * Copyright © 2018 Samuel Holland <samuel@sholland.org>
+ * SPDX-License-Identifier: GPL-2.0-or-later
+ */
+
 package com.wireguard.android.util;
 
 import android.support.annotation.NonNull;
diff --git a/app/src/main/java/com/wireguard/android/util/ObservableSortedKeyedList.java b/app/src/main/java/com/wireguard/android/util/ObservableSortedKeyedList.java
index 56d10c17..cf19966d 100644
--- a/app/src/main/java/com/wireguard/android/util/ObservableSortedKeyedList.java
+++ b/app/src/main/java/com/wireguard/android/util/ObservableSortedKeyedList.java
@@ -1,3 +1,8 @@
+/*
+ * Copyright © 2018 Samuel Holland <samuel@sholland.org>
+ * SPDX-License-Identifier: GPL-2.0-or-later
+ */
+
 package com.wireguard.android.util;
 
 /**
diff --git a/app/src/main/java/com/wireguard/android/util/RootShell.java b/app/src/main/java/com/wireguard/android/util/RootShell.java
index d24f6051..ac436975 100644
--- a/app/src/main/java/com/wireguard/android/util/RootShell.java
+++ b/app/src/main/java/com/wireguard/android/util/RootShell.java
@@ -1,3 +1,8 @@
+/*
+ * Copyright © 2018 Samuel Holland <samuel@sholland.org>
+ * SPDX-License-Identifier: GPL-2.0-or-later
+ */
+
 package com.wireguard.android.util;
 
 import android.content.Context;
diff --git a/app/src/main/java/com/wireguard/android/util/SortedKeyedList.java b/app/src/main/java/com/wireguard/android/util/SortedKeyedList.java
index b164b99d..66864040 100644
--- a/app/src/main/java/com/wireguard/android/util/SortedKeyedList.java
+++ b/app/src/main/java/com/wireguard/android/util/SortedKeyedList.java
@@ -1,3 +1,8 @@
+/*
+ * Copyright © 2018 Samuel Holland <samuel@sholland.org>
+ * SPDX-License-Identifier: GPL-2.0-or-later
+ */
+
 package com.wireguard.android.util;
 
 import java.util.Collection;
diff --git a/app/src/main/java/com/wireguard/android/util/ToolsInstaller.java b/app/src/main/java/com/wireguard/android/util/ToolsInstaller.java
index 2aa35957..c22d6ee9 100644
--- a/app/src/main/java/com/wireguard/android/util/ToolsInstaller.java
+++ b/app/src/main/java/com/wireguard/android/util/ToolsInstaller.java
@@ -1,3 +1,8 @@
+/*
+ * Copyright © 2018 Samuel Holland <samuel@sholland.org>
+ * SPDX-License-Identifier: GPL-2.0-or-later
+ */
+
 package com.wireguard.android.util;
 
 import android.content.Context;
diff --git a/app/src/main/java/com/wireguard/android/widget/KeyInputFilter.java b/app/src/main/java/com/wireguard/android/widget/KeyInputFilter.java
index 5fe48ce9..853c5e8b 100644
--- a/app/src/main/java/com/wireguard/android/widget/KeyInputFilter.java
+++ b/app/src/main/java/com/wireguard/android/widget/KeyInputFilter.java
@@ -1,3 +1,8 @@
+/*
+ * Copyright © 2018 Samuel Holland <samuel@sholland.org>
+ * SPDX-License-Identifier: GPL-2.0-or-later
+ */
+
 package com.wireguard.android.widget;
 
 import android.text.InputFilter;
diff --git a/app/src/main/java/com/wireguard/android/widget/NameInputFilter.java b/app/src/main/java/com/wireguard/android/widget/NameInputFilter.java
index 458f4fb9..d38e34e2 100644
--- a/app/src/main/java/com/wireguard/android/widget/NameInputFilter.java
+++ b/app/src/main/java/com/wireguard/android/widget/NameInputFilter.java
@@ -1,3 +1,8 @@
+/*
+ * Copyright © 2018 Samuel Holland <samuel@sholland.org>
+ * SPDX-License-Identifier: GPL-2.0-or-later
+ */
+
 package com.wireguard.android.widget;
 
 import android.text.InputFilter;
diff --git a/app/src/main/java/com/wireguard/config/Attribute.java b/app/src/main/java/com/wireguard/config/Attribute.java
index 726eaa1a..7a256c69 100644
--- a/app/src/main/java/com/wireguard/config/Attribute.java
+++ b/app/src/main/java/com/wireguard/config/Attribute.java
@@ -1,3 +1,8 @@
+/*
+ * Copyright © 2018 Samuel Holland <samuel@sholland.org>
+ * SPDX-License-Identifier: GPL-2.0-or-later
+ */
+
 package com.wireguard.config;
 
 import android.text.TextUtils;
diff --git a/app/src/main/java/com/wireguard/config/Config.java b/app/src/main/java/com/wireguard/config/Config.java
index ca2d3b1f..97e71ce9 100644
--- a/app/src/main/java/com/wireguard/config/Config.java
+++ b/app/src/main/java/com/wireguard/config/Config.java
@@ -1,3 +1,8 @@
+/*
+ * Copyright © 2018 Samuel Holland <samuel@sholland.org>
+ * SPDX-License-Identifier: GPL-2.0-or-later
+ */
+
 package com.wireguard.config;
 
 import android.databinding.BaseObservable;
diff --git a/app/src/main/java/com/wireguard/config/IPCidr.java b/app/src/main/java/com/wireguard/config/IPCidr.java
index a0135d15..89892061 100644
--- a/app/src/main/java/com/wireguard/config/IPCidr.java
+++ b/app/src/main/java/com/wireguard/config/IPCidr.java
@@ -1,3 +1,8 @@
+/*
+ * Copyright © 2018 Samuel Holland <samuel@sholland.org>
+ * SPDX-License-Identifier: GPL-2.0-or-later
+ */
+
 package com.wireguard.config;
 
 import java.net.Inet4Address;
diff --git a/app/src/main/java/com/wireguard/config/Interface.java b/app/src/main/java/com/wireguard/config/Interface.java
index 37186206..e43b7637 100644
--- a/app/src/main/java/com/wireguard/config/Interface.java
+++ b/app/src/main/java/com/wireguard/config/Interface.java
@@ -1,3 +1,8 @@
+/*
+ * Copyright © 2018 Samuel Holland <samuel@sholland.org>
+ * SPDX-License-Identifier: GPL-2.0-or-later
+ */
+
 package com.wireguard.config;
 
 import android.databinding.BaseObservable;
diff --git a/app/src/main/java/com/wireguard/config/Peer.java b/app/src/main/java/com/wireguard/config/Peer.java
index 413a8d6e..34fae0b1 100644
--- a/app/src/main/java/com/wireguard/config/Peer.java
+++ b/app/src/main/java/com/wireguard/config/Peer.java
@@ -1,3 +1,8 @@
+/*
+ * Copyright © 2018 Samuel Holland <samuel@sholland.org>
+ * SPDX-License-Identifier: GPL-2.0-or-later
+ */
+
 package com.wireguard.config;
 
 import android.databinding.BaseObservable;
diff --git a/app/src/main/java/com/wireguard/crypto/KeyEncoding.java b/app/src/main/java/com/wireguard/crypto/KeyEncoding.java
index ba867668..82e8904c 100644
--- a/app/src/main/java/com/wireguard/crypto/KeyEncoding.java
+++ b/app/src/main/java/com/wireguard/crypto/KeyEncoding.java
@@ -1,4 +1,7 @@
-/* Copyright (C) 2015-2017 Jason A. Donenfeld <Jason@zx2c4.com>. All Rights Reserved. */
+/*
+ * Copyright (C) 2015-2017 Jason A. Donenfeld <Jason@zx2c4.com>. All Rights Reserved.
+ * SPDX-License-Identifier: GPL-2.0-or-later
+ */
 
 package com.wireguard.crypto;
 
diff --git a/app/src/main/java/com/wireguard/crypto/Keypair.java b/app/src/main/java/com/wireguard/crypto/Keypair.java
index 0fc08508..48decadb 100644
--- a/app/src/main/java/com/wireguard/crypto/Keypair.java
+++ b/app/src/main/java/com/wireguard/crypto/Keypair.java
@@ -1,3 +1,8 @@
+/*
+ * Copyright © 2018 Samuel Holland <samuel@sholland.org>
+ * SPDX-License-Identifier: GPL-2.0-or-later
+ */
+
 package com.wireguard.crypto;
 
 import java.security.SecureRandom;