Don't update values-31 if there is no android_12 section in the config. Closes #447.

Additional fix for index.html getting extra blank lines. Fixes #430.

Author: jonbhanson

CHANGELOG.md

@@ -1,3 +1,8 @@
+## [2.2.14] - (2022-Nov-07)
+
+- Don't update `values-31` if there is no `android_12` section in the config.  Closes [#447](https://github.com/jonbhanson/flutter_native_splash/issues/447).
+- Additional fix for index.html getting extra blank lines. Fixes [#430](https://github.com/jonbhanson/flutter_native_splash/issues/430).
+
 ## [2.2.13] - (2022-Oct-30)
 
 - Corrected Android 12 dark parameters not defaulting to light parameters.  Thanks [elliotrtd](https://github.com/elliotrtd) for the [heads up](https://github.com/jonbhanson/flutter_native_splash/issues/400#issuecomment-1235100173) on this issue.

README.md

@@ -19,7 +19,7 @@ First, add `flutter_native_splash` as a dependency in your pubspec.yaml file.
 
 ```yaml
 dependencies:
-  flutter_native_splash: ^2.2.13
+  flutter_native_splash: ^2.2.14
 ```
 
 Don't forget to `flutter pub get`.

example/pubspec.lock

@@ -96,7 +96,7 @@ packages:
       path: ".."
       relative: true
     source: path
-    version: "2.2.10"
+    version: "2.2.14"
   flutter_test:
     dependency: "direct dev"
     description: flutter
@@ -113,14 +113,14 @@ packages:
       name: html
       url: "https://pub.dartlang.org"
     source: hosted
-    version: "0.15.0"
+    version: "0.15.1"
   image:
     dependency: transitive
     description:
       name: image
       url: "https://pub.dartlang.org"
     source: hosted
-    version: "3.2.0"
+    version: "3.2.2"
   js:
     dependency: transitive
     description:

lib/android.dart

@@ -171,15 +171,20 @@ void _createAndroidSplash({
   }
 
   print('[Android] Updating styles...');
-  _applyStylesXml(
-    fullScreen: fullscreen,
-    file: _flavorHelper.androidV31StylesFile,
-    template: _androidV31StylesXml,
-    android12BackgroundColor: android12BackgroundColor,
-    android12ImagePath: android12ImagePath,
-    android12IconBackgroundColor: android12IconBackgroundColor,
-    android12BrandingImagePath: android12BrandingImagePath,
-  );
+  if (android12BackgroundColor != null ||
+      android12ImagePath != null ||
+      android12IconBackgroundColor != null ||
+      android12BrandingImagePath != null) {
+    _applyStylesXml(
+      fullScreen: fullscreen,
+      file: _flavorHelper.androidV31StylesFile,
+      template: _androidV31StylesXml,
+      android12BackgroundColor: android12BackgroundColor,
+      android12ImagePath: android12ImagePath,
+      android12IconBackgroundColor: android12IconBackgroundColor,
+      android12BrandingImagePath: android12BrandingImagePath,
+    );
+  }
 
   if (android12DarkBackgroundColor != null ||
       android12DarkImagePath != null ||

lib/templates.dart

@@ -501,18 +501,16 @@ body {
 }
 ''';
 
-// XML's insertBefore needs a blank line at the start and not newline at the end:
+// XML's insertBefore can't have a newline at the end:
 const String _indexHtmlPicture = '''
-
   <picture id="splash">
       <source srcset="splash/img/light-1x.png 1x, splash/img/light-2x.png 2x, splash/img/light-3x.png 3x, splash/img/light-4x.png 4x" media="(prefers-color-scheme: light)">
       <source srcset="splash/img/dark-1x.png 1x, splash/img/dark-2x.png 2x, splash/img/dark-3x.png 3x, splash/img/dark-4x.png 4x" media="(prefers-color-scheme: dark)">
       <img class="[IMAGEMODE]" aria-hidden="true" src="splash/img/light-1x.png" alt=""/>
   </picture>''';
 
-// XML's insertBefore needs a blank line at the start and not newline at the end:
+// XML's insertBefore can't have a newline at the end:
 const String _indexHtmlBrandingPicture = '''
-
   <picture id="splash-branding">
     <source srcset="splash/img/branding-1x.png 1x, splash/img/branding-2x.png 2x, splash/img/branding-3x.png 3x, splash/img/branding-4x.png 4x" media="(prefers-color-scheme: light)">
     <source srcset="splash/img/branding-dark-1x.png 1x, splash/img/branding-dark-2x.png 2x, splash/img/branding-dark-3x.png 3x, splash/img/branding-dark-4x.png 4x" media="(prefers-color-scheme: dark)">

pubspec.yaml

@@ -1,7 +1,7 @@
 name: flutter_native_splash
 description: Customize Flutter's default white native splash screen with
   background color and splash image. Supports dark mode, full screen, and more.
-version: 2.2.13
+version: 2.2.14
 repository: https://github.com/jonbhanson/flutter_native_splash
 issue_tracker: https://github.com/jonbhanson/flutter_native_splash/issues