add license text

Signed-off-by: alex <alex.plutta@googlemail.com>
Signed-off-by: Andy Scherzinger <info@andy-scherzinger.de>

Author: AlexNi245

src/main/java/com/owncloud/android/ui/activities/ActivityListItemDecoration.java

@@ -1,3 +1,23 @@
+/*
+ * Nextcloud Android client application
+ *
+
+ * Copyright (C) 2019 Sevastyan Savanyuk
+ * Copyright (C) 2019 Nextcloud GmbH
+ *
+ * This program is free software: you can redistribute it and/or modify
+ * it under the terms of the GNU Affero General Public License as published by
+ * the Free Software Foundation, either version 3 of the License, or
+ * (at your option) any later version.
+ *
+ * This program is distributed in the hope that it will be useful,
+ * but WITHOUT ANY WARRANTY; without even the implied warranty of
+ * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
+ * GNU Affero General Public License for more details.
+ *
+ * You should have received a copy of the GNU Affero General Public License
+ * along with this program. If not, see <https://www.gnu.org/licenses/>.
+ */
 package com.owncloud.android.ui.activities;
 
 import android.graphics.Canvas;

src/main/java/com/owncloud/android/ui/adapter/StickyHeaderAdapter.java

@@ -1,3 +1,23 @@
+/*
+ * Nextcloud Android client application
+ *
+
+ * Copyright (C) 2019 Sevastyan Savanyuk
+ * Copyright (C) 2019 Nextcloud GmbH
+ *
+ * This program is free software: you can redistribute it and/or modify
+ * it under the terms of the GNU Affero General Public License as published by
+ * the Free Software Foundation, either version 3 of the License, or
+ * (at your option) any later version.
+ *
+ * This program is distributed in the hope that it will be useful,
+ * but WITHOUT ANY WARRANTY; without even the implied warranty of
+ * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
+ * GNU Affero General Public License for more details.
+ *
+ * You should have received a copy of the GNU Affero General Public License
+ * along with this program. If not, see <https://www.gnu.org/licenses/>.
+ */
 package com.owncloud.android.ui.adapter;
 
 import android.view.View;

src/test/java/com/owncloud/android/ui/adapter/ActivityListAdapterTest.java

@@ -1,3 +1,23 @@
+/*
+ * Nextcloud Android client application
+ *
+ * @author Alex Plutta
+ * Copyright (C) 2019 Alex Plutta
+ * Copyright (C) 2019 Nextcloud GmbH
+ *
+ * This program is free software: you can redistribute it and/or modify
+ * it under the terms of the GNU Affero General Public License as published by
+ * the Free Software Foundation, either version 3 of the License, or
+ * (at your option) any later version.
+ *
+ * This program is distributed in the hope that it will be useful,
+ * but WITHOUT ANY WARRANTY; without even the implied warranty of
+ * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
+ * GNU Affero General Public License for more details.
+ *
+ * You should have received a copy of the GNU Affero General Public License
+ * along with this program. If not, see <https://www.gnu.org/licenses/>.
+ */
 package com.owncloud.android.ui.adapter;
 
 import com.owncloud.android.lib.resources.activities.model.Activity;