diff --git a/storage-sample/src/main/res/layout/activity_base.xml b/storage-sample/src/main/res/layout/activity_base.xml
index 813e1a5c..fb9fad00 100644
--- a/storage-sample/src/main/res/layout/activity_base.xml
+++ b/storage-sample/src/main/res/layout/activity_base.xml
@@ -1,4 +1,23 @@
 <?xml version="1.0" encoding="utf-8"?>
+
+<!--
+/*
+ * Copyright 2023 Open Mobile Hub
+ *
+ * Licensed under the Apache License, Version 2.0 (the "License");
+ * you may not use this file except in compliance with the License.
+ * You may obtain a copy of the License at
+ *
+ *      https://www.apache.org/licenses/LICENSE-2.0
+ *
+ * Unless required by applicable law or agreed to in writing, software
+ * distributed under the License is distributed on an "AS IS" BASIS,
+ * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
+ * See the License for the specific language governing permissions and
+ * limitations under the License.
+ */
+-->
+
 <androidx.coordinatorlayout.widget.CoordinatorLayout 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/storage-sample/src/main/res/layout/dialog_create_file.xml b/storage-sample/src/main/res/layout/dialog_create_file.xml
index 7c84e615..61d7844a 100644
--- a/storage-sample/src/main/res/layout/dialog_create_file.xml
+++ b/storage-sample/src/main/res/layout/dialog_create_file.xml
@@ -1,4 +1,23 @@
 <?xml version="1.0" encoding="utf-8"?>
+
+<!--
+/*
+ * Copyright 2023 Open Mobile Hub
+ *
+ * Licensed under the Apache License, Version 2.0 (the "License");
+ * you may not use this file except in compliance with the License.
+ * You may obtain a copy of the License at
+ *
+ *      https://www.apache.org/licenses/LICENSE-2.0
+ *
+ * Unless required by applicable law or agreed to in writing, software
+ * distributed under the License is distributed on an "AS IS" BASIS,
+ * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
+ * See the License for the specific language governing permissions and
+ * limitations under the License.
+ */
+-->
+
 <androidx.constraintlayout.widget.ConstraintLayout 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/storage-sample/src/main/res/layout/dialog_upload_file.xml b/storage-sample/src/main/res/layout/dialog_upload_file.xml
index c8094c04..22f5a4c5 100644
--- a/storage-sample/src/main/res/layout/dialog_upload_file.xml
+++ b/storage-sample/src/main/res/layout/dialog_upload_file.xml
@@ -1,4 +1,23 @@
 <?xml version="1.0" encoding="utf-8"?>
+
+<!--
+/*
+ * Copyright 2023 Open Mobile Hub
+ *
+ * Licensed under the Apache License, Version 2.0 (the "License");
+ * you may not use this file except in compliance with the License.
+ * You may obtain a copy of the License at
+ *
+ *      https://www.apache.org/licenses/LICENSE-2.0
+ *
+ * Unless required by applicable law or agreed to in writing, software
+ * distributed under the License is distributed on an "AS IS" BASIS,
+ * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
+ * See the License for the specific language governing permissions and
+ * limitations under the License.
+ */
+-->
+
 <androidx.constraintlayout.widget.ConstraintLayout 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"
diff --git a/storage-sample/src/main/res/layout/empty_view.xml b/storage-sample/src/main/res/layout/empty_view.xml
index 9b092ba4..736f78c0 100644
--- a/storage-sample/src/main/res/layout/empty_view.xml
+++ b/storage-sample/src/main/res/layout/empty_view.xml
@@ -1,4 +1,23 @@
 <?xml version="1.0" encoding="utf-8"?>
+
+<!--
+/*
+ * Copyright 2023 Open Mobile Hub
+ *
+ * Licensed under the Apache License, Version 2.0 (the "License");
+ * you may not use this file except in compliance with the License.
+ * You may obtain a copy of the License at
+ *
+ *      https://www.apache.org/licenses/LICENSE-2.0
+ *
+ * Unless required by applicable law or agreed to in writing, software
+ * distributed under the License is distributed on an "AS IS" BASIS,
+ * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
+ * See the License for the specific language governing permissions and
+ * limitations under the License.
+ */
+-->
+
 <LinearLayout xmlns:android="http://schemas.android.com/apk/res/android"
     xmlns:tools="http://schemas.android.com/tools"
     android:layout_width="match_parent"
diff --git a/storage-sample/src/main/res/layout/file_grid_adapter.xml b/storage-sample/src/main/res/layout/file_grid_adapter.xml
index c3c54f29..795a20b8 100644
--- a/storage-sample/src/main/res/layout/file_grid_adapter.xml
+++ b/storage-sample/src/main/res/layout/file_grid_adapter.xml
@@ -1,4 +1,23 @@
 <?xml version="1.0" encoding="utf-8"?>
+
+<!--
+/*
+ * Copyright 2023 Open Mobile Hub
+ *
+ * Licensed under the Apache License, Version 2.0 (the "License");
+ * you may not use this file except in compliance with the License.
+ * You may obtain a copy of the License at
+ *
+ *      https://www.apache.org/licenses/LICENSE-2.0
+ *
+ * Unless required by applicable law or agreed to in writing, software
+ * distributed under the License is distributed on an "AS IS" BASIS,
+ * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
+ * See the License for the specific language governing permissions and
+ * limitations under the License.
+ */
+-->
+
 <androidx.constraintlayout.widget.ConstraintLayout 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"
diff --git a/storage-sample/src/main/res/layout/file_linear_adapter.xml b/storage-sample/src/main/res/layout/file_linear_adapter.xml
index 3d1d85dc..1cb6137d 100644
--- a/storage-sample/src/main/res/layout/file_linear_adapter.xml
+++ b/storage-sample/src/main/res/layout/file_linear_adapter.xml
@@ -1,4 +1,23 @@
 <?xml version="1.0" encoding="utf-8"?>
+
+<!--
+/*
+ * Copyright 2023 Open Mobile Hub
+ *
+ * Licensed under the Apache License, Version 2.0 (the "License");
+ * you may not use this file except in compliance with the License.
+ * You may obtain a copy of the License at
+ *
+ *      https://www.apache.org/licenses/LICENSE-2.0
+ *
+ * Unless required by applicable law or agreed to in writing, software
+ * distributed under the License is distributed on an "AS IS" BASIS,
+ * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
+ * See the License for the specific language governing permissions and
+ * limitations under the License.
+ */
+-->
+
 <androidx.constraintlayout.widget.ConstraintLayout 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"
diff --git a/storage-sample/src/main/res/layout/fragment_file_viewer.xml b/storage-sample/src/main/res/layout/fragment_file_viewer.xml
index 6b5f50f8..622bd1f3 100644
--- a/storage-sample/src/main/res/layout/fragment_file_viewer.xml
+++ b/storage-sample/src/main/res/layout/fragment_file_viewer.xml
@@ -1,4 +1,23 @@
 <?xml version="1.0" encoding="utf-8"?>
+
+<!--
+/*
+ * Copyright 2023 Open Mobile Hub
+ *
+ * Licensed under the Apache License, Version 2.0 (the "License");
+ * you may not use this file except in compliance with the License.
+ * You may obtain a copy of the License at
+ *
+ *      https://www.apache.org/licenses/LICENSE-2.0
+ *
+ * Unless required by applicable law or agreed to in writing, software
+ * distributed under the License is distributed on an "AS IS" BASIS,
+ * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
+ * See the License for the specific language governing permissions and
+ * limitations under the License.
+ */
+-->
+
 <androidx.constraintlayout.widget.ConstraintLayout 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"
diff --git a/storage-sample/src/main/res/layout/fragment_login.xml b/storage-sample/src/main/res/layout/fragment_login.xml
index f629453b..8d90e73f 100644
--- a/storage-sample/src/main/res/layout/fragment_login.xml
+++ b/storage-sample/src/main/res/layout/fragment_login.xml
@@ -1,4 +1,23 @@
 <?xml version="1.0" encoding="utf-8"?>
+
+<!--
+/*
+ * Copyright 2023 Open Mobile Hub
+ *
+ * Licensed under the Apache License, Version 2.0 (the "License");
+ * you may not use this file except in compliance with the License.
+ * You may obtain a copy of the License at
+ *
+ *      https://www.apache.org/licenses/LICENSE-2.0
+ *
+ * Unless required by applicable law or agreed to in writing, software
+ * distributed under the License is distributed on an "AS IS" BASIS,
+ * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
+ * See the License for the specific language governing permissions and
+ * limitations under the License.
+ */
+-->
+
 <androidx.constraintlayout.widget.ConstraintLayout 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"
diff --git a/storage-sample/src/main/res/menu/file_viewer_menu.xml b/storage-sample/src/main/res/menu/file_viewer_menu.xml
index e78eba6b..618a97d4 100644
--- a/storage-sample/src/main/res/menu/file_viewer_menu.xml
+++ b/storage-sample/src/main/res/menu/file_viewer_menu.xml
@@ -1,4 +1,23 @@
 <?xml version="1.0" encoding="utf-8"?>
+
+<!--
+/*
+ * Copyright 2023 Open Mobile Hub
+ *
+ * Licensed under the Apache License, Version 2.0 (the "License");
+ * you may not use this file except in compliance with the License.
+ * You may obtain a copy of the License at
+ *
+ *      https://www.apache.org/licenses/LICENSE-2.0
+ *
+ * Unless required by applicable law or agreed to in writing, software
+ * distributed under the License is distributed on an "AS IS" BASIS,
+ * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
+ * See the License for the specific language governing permissions and
+ * limitations under the License.
+ */
+-->
+
 <menu xmlns:android="http://schemas.android.com/apk/res/android">
     <item
         android:id="@+id/swapGridOrLinear"
diff --git a/storage-sample/src/main/res/navigation/nav_graph.xml b/storage-sample/src/main/res/navigation/nav_graph.xml
index b7965aab..7a9ef4a9 100644
--- a/storage-sample/src/main/res/navigation/nav_graph.xml
+++ b/storage-sample/src/main/res/navigation/nav_graph.xml
@@ -1,4 +1,23 @@
 <?xml version="1.0" encoding="utf-8"?>
+
+<!--
+/*
+ * Copyright 2023 Open Mobile Hub
+ *
+ * Licensed under the Apache License, Version 2.0 (the "License");
+ * you may not use this file except in compliance with the License.
+ * You may obtain a copy of the License at
+ *
+ *      https://www.apache.org/licenses/LICENSE-2.0
+ *
+ * Unless required by applicable law or agreed to in writing, software
+ * distributed under the License is distributed on an "AS IS" BASIS,
+ * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
+ * See the License for the specific language governing permissions and
+ * limitations under the License.
+ */
+-->
+
 <navigation 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"
diff --git a/storage-sample/src/main/res/values/colors.xml b/storage-sample/src/main/res/values/colors.xml
index f8c6127d..bf290354 100644
--- a/storage-sample/src/main/res/values/colors.xml
+++ b/storage-sample/src/main/res/values/colors.xml
@@ -1,4 +1,23 @@
 <?xml version="1.0" encoding="utf-8"?>
+
+<!--
+/*
+ * Copyright 2023 Open Mobile Hub
+ *
+ * Licensed under the Apache License, Version 2.0 (the "License");
+ * you may not use this file except in compliance with the License.
+ * You may obtain a copy of the License at
+ *
+ *      https://www.apache.org/licenses/LICENSE-2.0
+ *
+ * Unless required by applicable law or agreed to in writing, software
+ * distributed under the License is distributed on an "AS IS" BASIS,
+ * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
+ * See the License for the specific language governing permissions and
+ * limitations under the License.
+ */
+-->
+
 <resources>
     <color name="purple_200">#FFBB86FC</color>
     <color name="purple_500">#FF6200EE</color>