diff --git a/examples/get-started/flutter-for/android_devs/lib/animation.dart b/examples/get-started/flutter-for/android_devs/lib/animation.dart
index 3c453baeb75..560b7ede30b 100644
--- a/examples/get-started/flutter-for/android_devs/lib/animation.dart
+++ b/examples/get-started/flutter-for/android_devs/lib/animation.dart
@@ -41,6 +41,12 @@ class _MyFadeTest extends State<MyFadeTest> with TickerProviderStateMixin {
     curve = CurvedAnimation(parent: controller, curve: Curves.easeIn);
   }
 
+  @override
+  void dispose() {
+    controller.dispose();
+    super.dispose();
+  }
+
   @override
   Widget build(BuildContext context) {
     return Scaffold(
diff --git a/examples/get-started/flutter-for/android_devs/lib/events.dart b/examples/get-started/flutter-for/android_devs/lib/events.dart
index f74252bb787..9351b3bbb16 100644
--- a/examples/get-started/flutter-for/android_devs/lib/events.dart
+++ b/examples/get-started/flutter-for/android_devs/lib/events.dart
@@ -62,6 +62,12 @@ class _SampleAppState extends State<SampleApp>
     curve = CurvedAnimation(parent: controller, curve: Curves.easeIn);
   }
 
+  @override
+  void dispose() {
+    controller.dispose();
+    super.dispose();
+  }
+
   @override
   Widget build(BuildContext context) {
     return Scaffold(
diff --git a/sites/docs/src/content/flutter-for/android-devs.md b/sites/docs/src/content/flutter-for/android-devs.md
index ebe3a45cb3d..3adcae490d1 100644
--- a/sites/docs/src/content/flutter-for/android-devs.md
+++ b/sites/docs/src/content/flutter-for/android-devs.md
@@ -355,6 +355,12 @@ class _MyFadeTest extends State<MyFadeTest> with TickerProviderStateMixin {
     curve = CurvedAnimation(parent: controller, curve: Curves.easeIn);
   }
 
+  @override
+  void dispose() {
+    controller.dispose();
+    super.dispose();
+  }
+
   @override
   Widget build(BuildContext context) {
     return Scaffold(
@@ -1671,6 +1677,12 @@ class _SampleAppState extends State<SampleApp>
     curve = CurvedAnimation(parent: controller, curve: Curves.easeIn);
   }
 
+  @override
+  void dispose() {
+    controller.dispose();
+    super.dispose();
+  }
+
   @override
   Widget build(BuildContext context) {
     return Scaffold(