Configure Dart/Flutter SDK version dependency

Author: vaind

.github/workflows/dart.yml

@@ -26,10 +26,8 @@ jobs:
           - macos-10.15
           - ubuntu-20.04
         dart:
-          - 2.10.5
-          # - 2.9.3 - generator stuck. I remember there was an issue in some dependency but don't remember which one.
-          - 2.8.4
-          - 2.7.2
+          - latest
+          - 2.10.0 # currently the lowest fully supported version (i.e. generator + lib)
     runs-on: ${{ matrix.os }}
     steps:
       # Note: dart-sdk from flutter doesn't work on linux, see https://github.com/flutter/flutter/issues/74599

benchmark/pubspec.yaml

@@ -2,7 +2,7 @@ name: objectbox_benchmark
 description: Simple ObjectBox-Dart performance benchmark
 
 environment:
-  sdk: ">=2.6.0 <3.0.0"
+  sdk: ">=2.10.0 <3.0.0"
 
 dependencies:
   objectbox: any

flutter_libs/pubspec.yaml

@@ -5,8 +5,8 @@ homepage: https://objectbox.io
 description: ObjectBox is a super-fast NoSQL ACID compliant object database. This package contains flutter runtime libraries for ObjectBox.
 
 environment:
-  sdk: ">=2.6.0 <3.0.0"
-  flutter: ">=1.12.0 <2.0.0"
+  sdk: ">=2.9.0 <3.0.0"
+  flutter: ">=1.20.0 <1.26.0" # 1.26 changes DART_API_DL_MAJOR_VERSION
 
 dependencies:
   # This is here just to ensure compatibility between objectbox-dart code and the libraries used

generator/integration-tests/shared-pubspec.yaml

@@ -1,7 +1,7 @@
 name: objectbox_generator_test
 
 environment:
-  sdk: ">=2.5.0 <3.0.0"
+  sdk: ">=2.10.0 <3.0.0"
 
 dependencies:
   objectbox: any

generator/pubspec.yaml

@@ -5,7 +5,8 @@ homepage: https://objectbox.io
 description: ObjectBox binding code generator - finds annotated entities and adds them to the ObjectBox DB model.
 
 environment:
-  sdk: ">=2.5.0 <3.0.0"
+  # min SDK v2.10.0 (or Flutter v1.22) - there were breaking changes in the analyzer/resolver
+  sdk: ">=2.10.0 <3.0.0"
 
 dependencies:
   objectbox: 0.11.0

objectbox/CHANGELOG.md

@@ -6,6 +6,7 @@
 * Update to objectbox-c v0.12.0
 * Update to objectbox-android v2.9.0
 * Update to objectbox-swift v1.5.0
+* Increase minimum SDK versions: Flutter v1.20 & Dart v2.9. Code generator already required Flutter v1.22 & Dart v2.10. 
 
 ## 0.11.0 (2021-02-01)
 

objectbox/example/flutter/objectbox_demo/pubspec.yaml

@@ -3,7 +3,8 @@ description: An example project for the objectbox-dart binding.
 version: 0.3.0+1
 
 environment:
-  sdk: ">=2.1.0 <3.0.0"
+  sdk: ">=2.10.0 <3.0.0"
+  flutter: ">=1.22.0 <2.0.0"
 
 dependencies:
   flutter:

objectbox/example/flutter/objectbox_demo_sync/pubspec.yaml

@@ -3,7 +3,8 @@ description: An example project for the objectbox-dart binding.
 version: 0.3.0+1
 
 environment:
-  sdk: ">=2.1.0 <3.0.0"
+  sdk: ">=2.10.0 <3.0.0"
+  flutter: ">=1.22.0 <2.0.0"
 
 dependencies:
   flutter:

objectbox/pubspec.yaml

@@ -5,9 +5,11 @@ homepage: https://objectbox.io
 description: ObjectBox is a super-fast NoSQL ACID compliant object database.
 
 environment:
-  #  sdk: '>=2.12.0-0 <3.0.0'
-  # min 2.7.0 because of ffigen
-  sdk: '>=2.7.0 <3.0.0'
+  # minimum Dart SDK (also see generator/pubspec.yaml)
+  #   v2.9.0 (Flutter v1.20) for package 'dart:ffi' NativeApi.initializeApiDLData
+  #   v1.12.0 (Flutter v1.26) increases DART_API_DL_MAJOR_VERSION, breaking async-callbacks & observers
+  sdk: '>=2.9.0 <2.12.0'
+  # sdk: '>=2.12.0-0 <3.0.0'
 
 dependencies:
   collection: ^1.14.11

sync_flutter_libs/pubspec.yaml

@@ -5,8 +5,8 @@ homepage: https://objectbox.io
 description: ObjectBox is a super-fast NoSQL ACID compliant object database. This package contains flutter runtime libraries for ObjectBox, including ObjectBox Sync.
 
 environment:
-  sdk: ">=2.6.0 <3.0.0"
-  flutter: ">=1.12.0 <2.0.0"
+  sdk: ">=2.9.0 <3.0.0"
+  flutter: ">=1.20.0 <1.26.0" # 1.26 changes DART_API_DL_MAJOR_VERSION
 
 dependencies:
   # This is here just to ensure compatibility between objectbox-dart code and the libraries used