[multiple] Added copyright headers (#664)

ios_app_clip/test/widget_test.dart

@@ -1,3 +1,7 @@
+// Copyright 2020 The Flutter team. All rights reserved.
+// Use of this source code is governed by a BSD-style license that can be
+// found in the LICENSE file.
+
 // This is a basic Flutter widget test.
 //
 // To perform an interaction with a widget in your test, use the WidgetTester

place_tracker/lib/main.dart

@@ -1,3 +1,7 @@
+// Copyright 2020 The Flutter team. All rights reserved.
+// Use of this source code is governed by a BSD-style license that can be
+// found in the LICENSE file.
+
 import 'package:flutter/material.dart';
 import 'package:provider/provider.dart';
 

place_tracker/lib/place.dart

@@ -1,3 +1,7 @@
+// Copyright 2020 The Flutter team. All rights reserved.
+// Use of this source code is governed by a BSD-style license that can be
+// found in the LICENSE file.
+
 import 'package:flutter/material.dart';
 import 'package:google_maps_flutter/google_maps_flutter.dart';
 

place_tracker/lib/place_details.dart

@@ -1,3 +1,7 @@
+// Copyright 2020 The Flutter team. All rights reserved.
+// Use of this source code is governed by a BSD-style license that can be
+// found in the LICENSE file.
+
 import 'package:flutter/foundation.dart';
 import 'package:flutter/material.dart';
 import 'package:flutter/rendering.dart';

place_tracker/lib/place_list.dart

@@ -1,3 +1,7 @@
+// Copyright 2020 The Flutter team. All rights reserved.
+// Use of this source code is governed by a BSD-style license that can be
+// found in the LICENSE file.
+
 import 'package:flutter/material.dart';
 import 'package:provider/provider.dart';
 

place_tracker/lib/place_map.dart

@@ -1,3 +1,7 @@
+// Copyright 2020 The Flutter team. All rights reserved.
+// Use of this source code is governed by a BSD-style license that can be
+// found in the LICENSE file.
+
 import 'dart:async';
 import 'dart:math';
 

place_tracker/lib/place_tracker_app.dart

@@ -1,3 +1,7 @@
+// Copyright 2020 The Flutter team. All rights reserved.
+// Use of this source code is governed by a BSD-style license that can be
+// found in the LICENSE file.
+
 import 'package:flutter/material.dart';
 import 'package:google_maps_flutter/google_maps_flutter.dart';
 import 'package:provider/provider.dart';

place_tracker/lib/stub_data.dart

@@ -1,3 +1,7 @@
+// Copyright 2020 The Flutter team. All rights reserved.
+// Use of this source code is governed by a BSD-style license that can be
+// found in the LICENSE file.
+
 import 'package:google_maps_flutter/google_maps_flutter.dart';
 
 import 'place.dart';

place_tracker/test/widget_test.dart

@@ -1,3 +1,7 @@
+// Copyright 2020 The Flutter team. All rights reserved.
+// Use of this source code is governed by a BSD-style license that can be
+// found in the LICENSE file.
+
 // This is a basic Flutter widget test.
 // To perform an interaction with a widget in your test, use the WidgetTester utility that Flutter
 // provides. For example, you can send tap and scroll gestures. You can also use WidgetTester to

platform_design/lib/main.dart

@@ -1,3 +1,7 @@
+// Copyright 2020 The Flutter team. All rights reserved.
+// Use of this source code is governed by a BSD-style license that can be
+// found in the LICENSE file.
+
 import 'package:flutter/cupertino.dart';
 import 'package:flutter/material.dart';
 

platform_design/lib/news_tab.dart

@@ -1,3 +1,7 @@
+// Copyright 2020 The Flutter team. All rights reserved.
+// Use of this source code is governed by a BSD-style license that can be
+// found in the LICENSE file.
+
 import 'package:flutter/cupertino.dart';
 import 'package:flutter/foundation.dart';
 import 'package:flutter/material.dart';

platform_design/lib/profile_tab.dart

@@ -1,3 +1,7 @@
+// Copyright 2020 The Flutter team. All rights reserved.
+// Use of this source code is governed by a BSD-style license that can be
+// found in the LICENSE file.
+
 import 'package:flutter/cupertino.dart';
 import 'package:flutter/material.dart';
 

platform_design/lib/settings_tab.dart

@@ -1,3 +1,7 @@
+// Copyright 2020 The Flutter team. All rights reserved.
+// Use of this source code is governed by a BSD-style license that can be
+// found in the LICENSE file.
+
 import 'package:flutter/cupertino.dart';
 import 'package:flutter/material.dart';
 

platform_design/lib/song_detail_tab.dart

@@ -1,3 +1,7 @@
+// Copyright 2020 The Flutter team. All rights reserved.
+// Use of this source code is governed by a BSD-style license that can be
+// found in the LICENSE file.
+
 import 'package:flutter/cupertino.dart';
 import 'package:flutter/material.dart';
 

platform_design/lib/songs_tab.dart

@@ -1,3 +1,7 @@
+// Copyright 2020 The Flutter team. All rights reserved.
+// Use of this source code is governed by a BSD-style license that can be
+// found in the LICENSE file.
+
 import 'package:flutter/cupertino.dart';
 import 'package:flutter/foundation.dart';
 import 'package:flutter/material.dart';

platform_design/lib/utils.dart

@@ -1,3 +1,7 @@
+// Copyright 2020 The Flutter team. All rights reserved.
+// Use of this source code is governed by a BSD-style license that can be
+// found in the LICENSE file.
+
 import 'dart:math';
 
 import 'package:english_words/english_words.dart';

platform_design/lib/widgets.dart

@@ -1,3 +1,7 @@
+// Copyright 2020 The Flutter team. All rights reserved.
+// Use of this source code is governed by a BSD-style license that can be
+// found in the LICENSE file.
+
 import 'package:flutter/foundation.dart';
 import 'package:flutter/cupertino.dart';
 import 'package:flutter/material.dart';

platform_design/test/widget_test.dart

@@ -1,3 +1,7 @@
+// Copyright 2020 The Flutter team. All rights reserved.
+// Use of this source code is governed by a BSD-style license that can be
+// found in the LICENSE file.
+
 import 'package:flutter/foundation.dart';
 import 'package:flutter/cupertino.dart';
 import 'package:flutter/material.dart';