Fixup step 5 of animations

Author: domesticmouse

animations/codelab_rebuild.yaml

@@ -1002,8 +1002,8 @@ steps:
       - name: Use PageRouteBuilder
         path: quiz/lib/home_screen.dart
         patch-u: |
-          --- a/animations/step_05/lib/home_screen.dart
-          +++ b/animations/step_05/lib/home_screen.dart
+          --- b/animations/step_05_a/lib/home_screen.dart
+          +++ a/animations/step_05_a/lib/home_screen.dart
           @@ -26,14 +26,19 @@ class HomeScreen extends StatelessWidget {
                            // Show the question screen to start the game
                            Navigator.push(
@@ -1015,9 +1015,9 @@ steps:
           -                  ),
           +                  PageRouteBuilder(
           +                      pageBuilder: (context, animation, secondaryAnimation) {
-          +                        return const QuestionScreen();
-          +                      }, transitionsBuilder:
-          +                      (context, animation, secondaryAnimation, child) {
+          +                    return const QuestionScreen();
+          +                  }, transitionsBuilder:
+          +                          (context, animation, secondaryAnimation, child) {
           +                    return FadeTransition(
           +                      opacity: animation,
           +                      child: child,
@@ -1039,17 +1039,17 @@ steps:
       - name: Use package:animations FadeThroughTransition
         path: quiz/lib/home_screen.dart
         patch-u: |
-          --- a/animations/step_05/lib/home_screen.dart
-          +++ b/animations/step_05/lib/home_screen.dart
+          --- b/animations/step_05_b/lib/home_screen.dart
+          +++ a/animations/step_05_b/lib/home_screen.dart
           @@ -1,3 +1,4 @@
           +import 'package:animations/animations.dart';
            import 'package:flutter/material.dart';
            import 'question_screen.dart';
            
           @@ -31,8 +32,9 @@ class HomeScreen extends StatelessWidget {
-                                   return const QuestionScreen();
-                                 }, transitionsBuilder:
-                                 (context, animation, secondaryAnimation, child) {
+                               return const QuestionScreen();
+                             }, transitionsBuilder:
+                                     (context, animation, secondaryAnimation, child) {
           -                    return FadeTransition(
           -                      opacity: animation,
           +                    return FadeThroughTransition(
@@ -1093,8 +1093,8 @@ steps:
       - name: Change back to MaterialPageRoute
         path: quiz/lib/home_screen.dart
         patch-u: |
-          --- a/animations/step_05/lib/home_screen.dart
-          +++ b/animations/step_05/lib/home_screen.dart
+          --- b/animations/step_05_c/lib/home_screen.dart
+          +++ a/animations/step_05_c/lib/home_screen.dart
           @@ -1,4 +1,3 @@
           -import 'package:animations/animations.dart';
            import 'package:flutter/material.dart';
@@ -1106,16 +1106,15 @@ steps:
                              context,
           -                  PageRouteBuilder(
           -                      pageBuilder: (context, animation, secondaryAnimation) {
-          -                        return const QuestionScreen();
-          -                      }, transitionsBuilder:
-          -                      (context, animation, secondaryAnimation, child) {
+          +                  MaterialPageRoute(builder: (context) {
+                               return const QuestionScreen();
+          -                  }, transitionsBuilder:
+          -                          (context, animation, secondaryAnimation, child) {
           -                    return FadeThroughTransition(
           -                      animation: animation,
           -                      secondaryAnimation: secondaryAnimation,
           -                      child: child,
           -                    );
-          +                  MaterialPageRoute(builder: (context) {
-          +                    return const QuestionScreen();
                              }),
                            );
                          },

animations/step_05_a/lib/home_screen.dart

@@ -28,9 +28,9 @@ class HomeScreen extends StatelessWidget {
                   context,
                   PageRouteBuilder(
                       pageBuilder: (context, animation, secondaryAnimation) {
-                        return const QuestionScreen();
-                      }, transitionsBuilder:
-                      (context, animation, secondaryAnimation, child) {
+                    return const QuestionScreen();
+                  }, transitionsBuilder:
+                          (context, animation, secondaryAnimation, child) {
                     return FadeTransition(
                       opacity: animation,
                       child: child,

animations/step_05_b/lib/home_screen.dart

@@ -29,9 +29,9 @@ class HomeScreen extends StatelessWidget {
                   context,
                   PageRouteBuilder(
                       pageBuilder: (context, animation, secondaryAnimation) {
-                        return const QuestionScreen();
-                      }, transitionsBuilder:
-                      (context, animation, secondaryAnimation, child) {
+                    return const QuestionScreen();
+                  }, transitionsBuilder:
+                          (context, animation, secondaryAnimation, child) {
                     return FadeThroughTransition(
                       animation: animation,
                       secondaryAnimation: secondaryAnimation,