Fixed errors with the example

example/.flutter-plugins-dependencies

@@ -1 +1 @@
-{"_info":"// This is a generated file; do not edit or check into version control.","dependencyGraph":[{"name":"couchbase_lite","dependencies":[]},{"name":"package_info","dependencies":[]},{"name":"url_launcher","dependencies":["url_launcher_web","url_launcher_linux","url_launcher_macos"]},{"name":"url_launcher_linux","dependencies":[]},{"name":"url_launcher_macos","dependencies":[]},{"name":"url_launcher_web","dependencies":[]}]}
+{"info":"This is a generated file; do not edit or check into version control.","plugins":{"ios":[{"name":"couchbase_lite","path":"/Users/saltech/Documents/FlutterProjects/couchbase_lite/","dependencies":[]},{"name":"package_info","path":"/Users/saltech/flutter/.pub-cache/hosted/pub.dartlang.org/package_info-0.4.1/","dependencies":[]},{"name":"url_launcher","path":"/Users/saltech/flutter/.pub-cache/hosted/pub.dartlang.org/url_launcher-5.5.0/","dependencies":[]}],"android":[{"name":"couchbase_lite","path":"/Users/saltech/Documents/FlutterProjects/couchbase_lite/","dependencies":[]},{"name":"package_info","path":"/Users/saltech/flutter/.pub-cache/hosted/pub.dartlang.org/package_info-0.4.1/","dependencies":[]},{"name":"url_launcher","path":"/Users/saltech/flutter/.pub-cache/hosted/pub.dartlang.org/url_launcher-5.5.0/","dependencies":[]}],"macos":[{"name":"package_info","path":"/Users/saltech/flutter/.pub-cache/hosted/pub.dartlang.org/package_info-0.4.1/","dependencies":[]},{"name":"url_launcher_macos","path":"/Users/saltech/flutter/.pub-cache/hosted/pub.dartlang.org/url_launcher_macos-0.0.1+7/","dependencies":[]}],"linux":[{"name":"url_launcher_linux","path":"/Users/saltech/flutter/.pub-cache/hosted/pub.dartlang.org/url_launcher_linux-0.0.1+1/","dependencies":[]}],"windows":[],"web":[{"name":"url_launcher_web","path":"/Users/saltech/flutter/.pub-cache/hosted/pub.dartlang.org/url_launcher_web-0.1.2/","dependencies":[]}]},"dependencyGraph":[{"name":"couchbase_lite","dependencies":[]},{"name":"package_info","dependencies":[]},{"name":"url_launcher","dependencies":["url_launcher_web","url_launcher_linux","url_launcher_macos"]},{"name":"url_launcher_linux","dependencies":[]},{"name":"url_launcher_macos","dependencies":[]},{"name":"url_launcher_web","dependencies":[]}],"date_created":"2020-07-09 09:34:55.212868","version":"1.17.5"}

example/pubspec.yaml

@@ -3,7 +3,7 @@ description: Demonstrates how to use the couchbase_lite plugin.
 publish_to: 'none'
 
 environment:
-  sdk: ">=2.1.0 <3.0.0"
+  sdk: ">=2.6.0 <3.0.0"
 
 dependencies:
   # rxdart is used for the database and observable response classes