[google_maps_flutter] Bump minimum Flutter version and iOS deployment target (flutter#4333)

Author: jmagman

packages/google_maps_flutter/google_maps_flutter/CHANGELOG.md

@@ -1,3 +1,7 @@
+## 2.0.10
+
+* Update minimum Flutter SDK to 2.5 and iOS deployment target to 9.0.
+
 ## 2.0.9
 
 * Fix Android `NullPointerException` caused by the `GoogleMapController` being disposed before `GoogleMap` was ready.

packages/google_maps_flutter/google_maps_flutter/README.md

@@ -48,7 +48,7 @@ This means that app will only be available for users that run Android SDK 20 or
 
 ### iOS
 
-Specify your API key in the application delegate `ios/Runner/AppDelegate.m`:
+This plugin requires iOS 9.0 or higher. To set up, specify your API key in the application delegate `ios/Runner/AppDelegate.m`:
 
 ```objectivec
 #include "AppDelegate.h"

packages/google_maps_flutter/google_maps_flutter/example/pubspec.yaml

@@ -3,8 +3,8 @@ description: Demonstrates how to use the google_maps_flutter plugin.
 publish_to: none
 
 environment:
-  sdk: '>=2.12.0 <3.0.0'
-  flutter: ">=1.22.0"
+  sdk: ">=2.14.0 <3.0.0"
+  flutter: ">=2.5.0"
 
 dependencies:
   flutter:

packages/google_maps_flutter/google_maps_flutter/ios/google_maps_flutter.podspec

@@ -19,7 +19,7 @@ Downloaded by pub (not CocoaPods).
   s.dependency 'Flutter'
   s.dependency 'GoogleMaps'
   s.static_framework = true
-  s.platform = :ios, '8.0'
+  s.platform = :ios, '9.0'
   # GoogleMaps does not support arm64 simulators.
   s.pod_target_xcconfig = { 'DEFINES_MODULE' => 'YES', 'EXCLUDED_ARCHS[sdk=iphonesimulator*]' => 'arm64' }
 end

packages/google_maps_flutter/google_maps_flutter/pubspec.yaml

@@ -2,11 +2,11 @@ name: google_maps_flutter
 description: A Flutter plugin for integrating Google Maps in iOS and Android applications.
 repository: https://github.com/flutter/plugins/tree/master/packages/google_maps_flutter/google_maps_flutter
 issue_tracker: https://github.com/flutter/flutter/issues?q=is%3Aissue+is%3Aopen+label%3A%22p%3A+maps%22
-version: 2.0.9
+version: 2.0.10
 
 environment:
-  sdk: '>=2.12.0 <3.0.0'
-  flutter: ">=2.0.0"
+  sdk: ">=2.14.0 <3.0.0"
+  flutter: ">=2.5.0"
 
 flutter:
   plugin: