Minor formatting fixes for new compose-activity article

examples/platform_integration/compose_activities/analysis_options.yaml

@@ -0,0 +1,5 @@
+# Take our settings from the example_utils analysis_options.yaml file.
+# If necessary for a particular example, this file can also include
+# overrides for individual lints.
+
+include: package:example_utils/analysis.yaml

examples/platform_integration/compose_activities/lib/launch_compose_activity_example_1.dart

@@ -4,7 +4,7 @@ import 'package:flutter/services.dart';
 // SECTION 1: START COPYING HERE
 const platformMethodChannel = MethodChannel(
   // Note: You can change this string value, but it must match
-  // the `CHANNEL` attribute in the next step
+  // the `CHANNEL` attribute in the next step.
   'com.example.flutter_android_activity',
 );
 // SECTION 1: END COPYING HERE
@@ -19,13 +19,13 @@ class MainApp extends StatelessWidget {
   // SECTION 2: START COPYING HERE
   void _launchAndroidActivity() {
     platformMethodChannel.invokeMethod(
-      // Note: You can change this value, but it must must match the
-      // `call.method` value in the next section
+      // Note: You can change this value, but it must match
+      // the `call.method` value in the next section.
       'launchActivity',
 
-      // Note: You can pass any primitive data types you like. To pass complex
-      // types, use pkg:pigeon to generate matching Dart and Kotlin classes
-      // which share serialization logic.
+      // Note: You can pass any primitive data types you like.
+      // To pass complex types, use package:pigeon to generate
+      // matching Dart and Kotlin classes that share serialization logic.
       {'message': 'Hello from Flutter'},
     );
   }
@@ -39,7 +39,7 @@ class MainApp extends StatelessWidget {
           child: Text('Hello World!'),
         ),
         floatingActionButton: FloatingActionButton(
-          // SECTION 3: Call `_launchAndroidActivity` somewhere
+          // SECTION 3: Call `_launchAndroidActivity` somewhere.
           onPressed: _launchAndroidActivity,
           // SECTION 3: End
 

examples/platform_integration/compose_activities/pubspec.yaml

@@ -15,6 +15,8 @@ dependencies:
 dev_dependencies:
   flutter_test:
     sdk: flutter
+  example_utils:
+    path: ../../example_utils
 
 flutter:
   uses-material-design: true

src/_sass/components/_code.scss

@@ -187,6 +187,8 @@ pre {
     border-bottom: 1px solid $flutter-color-grey-500;
     font-size: 0.9375rem;
     font-weight: 500;
+    overflow-x: hidden;
+    text-overflow: ellipsis;
     padding: 0.75rem 0.5rem 0.67rem 1rem;
   }