update

2025-05-19 16:26:08 +08:00 · 2020-06-17 00:58:32 +08:00
parent 160ee4d89e
commit c47f9c19c0
5 changed files with 180 additions and 200 deletions
--- a/analysis_options.yaml
+++ b/analysis_options.yaml
@ -1,13 +1,27 @@
-# Defines a default set of lint rules enforced for
-# projects at Google. For details and rationale,
-# see https://github.com/dart-lang/pedantic#enabled-lints.
-include: package:pedantic/analysis_options.yaml
+# Specify analysis options.
+#
+# Until there are meta linter rules, each desired lint must be explicitly enabled.
+# See: https://github.com/dart-lang/linter/issues/288
+#
+# For a list of lints, see: http://dart-lang.github.io/linter/lints/
+# See the configuration guide for more
+# https://github.com/dart-lang/sdk/tree/master/pkg/analyzer#configuring-the-analyzer
+#
+# There are other similar analysis options files in the flutter repos,
+# which should be kept in sync with this file:
+#
+#   - analysis_options.yaml (this file)
+#   - packages/flutter/lib/analysis_options_user.yaml
+#   - https://github.com/flutter/plugins/blob/master/analysis_options.yaml
+#   - https://github.com/flutter/engine/blob/master/analysis_options.yaml
+#
+# This file contains the analysis options used by Flutter tools, such as IntelliJ,
+# Android Studio, and the `flutter analyze` command.

 analyzer:
  strong-mode:
    implicit-casts: false
-    # implicit-dynamic: false
-
+    implicit-dynamic: false
  errors:
    # treat missing required parameters as a warning (not a hint)
    missing_required_param: warning
@ -15,11 +29,10 @@ analyzer:
    missing_return: warning
    # allow having TODOs in the code
    todo: ignore
-    # Ignore errors like
-    # 'super_goes_last' is a deprecated lint rule and should not be used • included_file_warning
-    included_file_warning: ignore
-
-  # 过滤 json_serializable
+    # Ignore analyzer hints for updating pubspecs when using Future or
+    # Stream and not importing dart:async
+    # Please see https://github.com/flutter/flutter/pull/24528 for details.
+    sdk_version_async_exported_from_core: ignore
  exclude:
    - "**/*.g.dart"

@ -27,109 +40,164 @@ linter:
  rules:
    # these rules are documented on and in the same order as
    # the Dart Lint rules page to make maintenance easier
-    # http://dart-lang.github.io/linter/lints/
-
-    # === error rules ===
-    - avoid_empty_else
-    - avoid_slow_async_io
-    - cancel_subscriptions
-    # - close_sinks # https://github.com/flutter/flutter/issues/5789
-    # - comment_references # blocked on https://github.com/dart-lang/dartdoc/issues/1153
-    - control_flow_in_finally
-    - empty_statements
-    - hash_and_equals
-    # - invariant_booleans # https://github.com/flutter/flutter/issues/5790
-    - iterable_contains_unrelated_type
-    - list_remove_unrelated_type
-    # - literal_only_boolean_expressions # https://github.com/flutter/flutter/issues/5791
-    - no_adjacent_strings_in_list
-    - no_duplicate_case_values
-    - test_types_in_equals
-    - throw_in_finally
-    - unrelated_type_equality_checks
-    - valid_regexps
-
-    # === style rules ===
+    # https://github.com/dart-lang/linter/blob/master/example/all.yaml
    - always_declare_return_types
-    # - always_put_control_body_on_new_line
+    - always_put_control_body_on_new_line
+    # - always_put_required_named_parameters_first # we prefer having parameters in the same order as fields https://github.com/flutter/flutter/issues/10219
    - always_require_non_null_named_parameters
    - always_specify_types
    - annotate_overrides
-    # - avoid_annotating_with_dynamic # not yet tested
-    # - avoid_as # 2019-01-30 removed for no-implicit-casts
-    # - avoid_catches_without_on_clauses # not yet tested
-    # - avoid_catching_errors # not yet tested
-    # - avoid_classes_with_only_static_members # not yet tested
-    # - avoid_function_literals_in_foreach_calls # not yet tested
+    # - avoid_annotating_with_dynamic # conflicts with always_specify_types
+    # - avoid_as # required for implicit-casts: true
+    - avoid_bool_literals_in_conditional_expressions
+    # - avoid_catches_without_on_clauses # we do this commonly
+    # - avoid_catching_errors # we do this commonly
+    - avoid_classes_with_only_static_members
+    # - avoid_double_and_int_checks # only useful when targeting JS runtime
+    - avoid_empty_else
+    # - avoid_equals_and_hash_code_on_mutable_classes # not yet tested
+    - avoid_field_initializers_in_const_classes
+    - avoid_function_literals_in_foreach_calls
+    # - avoid_implementing_value_types # not yet tested
    - avoid_init_to_null
+    # - avoid_js_rounded_ints # only useful when targeting JS runtime
    - avoid_null_checks_in_equality_operators
    # - avoid_positional_boolean_parameters # not yet tested
+    # - avoid_print # not yet tested
+    # - avoid_private_typedef_functions # we prefer having typedef (discussion in https://github.com/flutter/flutter/pull/16356)
+    # - avoid_redundant_argument_values # not yet tested
+    - avoid_relative_lib_imports
+    - avoid_renaming_method_parameters
    - avoid_return_types_on_setters
-    # - avoid_returning_null # not yet tested
-    # - avoid_returning_this # not yet tested
+    # - avoid_returning_null # there are plenty of valid reasons to return null
+    # - avoid_returning_null_for_future # not yet tested
+    - avoid_returning_null_for_void
+    # - avoid_returning_this # there are plenty of valid reasons to return this
    # - avoid_setters_without_getters # not yet tested
-    # - avoid_types_on_closure_parameters # not yet tested
+    # - avoid_shadowing_type_parameters # not yet tested
+    - avoid_single_cascade_in_expression_statements
+    - avoid_slow_async_io
+    - avoid_types_as_parameter_names
+    # - avoid_types_on_closure_parameters # conflicts with always_specify_types
+    # - avoid_unnecessary_containers # not yet tested
+    - avoid_unused_constructor_parameters
+    - avoid_void_async
+    # - avoid_web_libraries_in_flutter # not yet tested
    - await_only_futures
+    - camel_case_extensions
    - camel_case_types
+    - cancel_subscriptions
    # - cascade_invocations # not yet tested
-    # - constant_identifier_names # https://github.com/dart-lang/linter/issues/204
+    # - close_sinks # not reliable enough
+    # - comment_references # blocked on https://github.com/flutter/flutter/issues/20765
+    # - constant_identifier_names # needs an opt-out https://github.com/dart-lang/linter/issues/204
+    - control_flow_in_finally
+    # - curly_braces_in_flow_control_structures # not yet tested
+    # - diagnostic_describe_all_properties # not yet tested
    - directives_ordering
    - empty_catches
    - empty_constructor_bodies
+    - empty_statements
+    # - file_names # not yet tested
+    - flutter_style_todos
+    - hash_and_equals
    - implementation_imports
+    # - invariant_booleans # too many false positives: https://github.com/dart-lang/linter/issues/811
+    - iterable_contains_unrelated_type
    # - join_return_with_assignment # not yet tested
    - library_names
    - library_prefixes
+    # - lines_longer_than_80_chars # not yet tested
+    - list_remove_unrelated_type
+    # - literal_only_boolean_expressions # too many false positives: https://github.com/dart-lang/sdk/issues/34181
+    # - missing_whitespace_between_adjacent_strings # not yet tested
+    - no_adjacent_strings_in_list
+    - no_duplicate_case_values
+    # - no_logic_in_create_state # not yet tested
+    # - no_runtimeType_toString # not yet tested
    - non_constant_identifier_names
+    # - null_closures  # not yet tested
    # - omit_local_variable_types # opposite of always_specify_types
    # - one_member_abstracts # too many false positives
    # - only_throw_errors # https://github.com/flutter/flutter/issues/5792
    - overridden_fields
    - package_api_docs
+    - package_names
    - package_prefixed_library_names
    # - parameter_assignments # we do this commonly
    - prefer_adjacent_string_concatenation
+    - prefer_asserts_in_initializer_lists
+    # - prefer_asserts_with_message # not yet tested
    - prefer_collection_literals
-    # - prefer_conditional_assignment # not yet tested
+    - prefer_conditional_assignment
    - prefer_const_constructors
+    - prefer_const_constructors_in_immutables
+    - prefer_const_declarations
+    - prefer_const_literals_to_create_immutables
    # - prefer_constructors_over_static_methods # not yet tested
    - prefer_contains
+    # - prefer_double_quotes # opposite of prefer_single_quotes
    - prefer_equal_for_default_values
    # - prefer_expression_function_bodies # conflicts with https://github.com/flutter/flutter/wiki/Style-guide-for-Flutter-repo#consider-using--for-short-functions-and-methods
-    # - prefer_final_fields # https://github.com/dart-lang/linter/issues/506
+    # - prefer_final_fields
+    # - prefer_final_in_for_each
    # - prefer_final_locals
-    # - prefer_foreach # not yet tested
+    - prefer_for_elements_to_map_fromIterable
+    - prefer_foreach
    # - prefer_function_declarations_over_variables # not yet tested
+    - prefer_generic_function_type_aliases
+    - prefer_if_elements_to_conditional_expressions
+    - prefer_if_null_operators
    - prefer_initializing_formals
+    - prefer_inlined_adds
+    # - prefer_int_literals # not yet tested
    # - prefer_interpolation_to_compose_strings # not yet tested
    - prefer_is_empty
    - prefer_is_not_empty
+    - prefer_is_not_operator
+    - prefer_iterable_whereType
+    # - prefer_mixin # https://github.com/dart-lang/language/issues/32
+    # - prefer_null_aware_operators # disable until NNBD, see https://github.com/flutter/flutter/pull/32711#issuecomment-492930932
+    # - prefer_relative_imports # not yet tested
+    - prefer_single_quotes
+    - prefer_spread_collections
+    - prefer_typing_uninitialized_variables
    - prefer_void_to_null
-    # - recursive_getters # https://github.com/dart-lang/linter/issues/452
+    # - provide_deprecation_message # not yet tested
+    # - public_member_api_docs # enabled on a case-by-case basis; see e.g. packages/analysis_options.yaml
+    - recursive_getters
    - slash_for_doc_comments
+    # - sort_child_properties_last # not yet tested
    - sort_constructors_first
+    - sort_pub_dependencies
    - sort_unnamed_constructors_first
-    # - super_goes_last
+    - test_types_in_equals
+    - throw_in_finally
    # - type_annotate_public_apis # subset of always_specify_types
    - type_init_formals
-    # - unawaited_futures # https://github.com/flutter/flutter/issues/5793
+    # - unawaited_futures # too many false positives
+    # - unnecessary_await_in_return # not yet tested
    - unnecessary_brace_in_string_interps
    - unnecessary_const
+    # - unnecessary_final # conflicts with prefer_final_locals
    - unnecessary_getters_setters
-    # - unnecessary_lambdas # https://github.com/dart-lang/linter/issues/498
+    # - unnecessary_lambdas # has false positives: https://github.com/dart-lang/linter/issues/498
    - unnecessary_new
    - unnecessary_null_aware_assignments
    - unnecessary_null_in_if_null_operators
-    # - unnecessary_overrides # https://github.com/dart-lang/linter/issues/626 and https://github.com/dart-lang/linter/issues/627
+    - unnecessary_overrides
+    - unnecessary_parenthesis
    - unnecessary_statements
+    - unnecessary_string_interpolations
    - unnecessary_this
+    - unrelated_type_equality_checks
+    # - unsafe_html # not yet tested
+    - use_full_hex_values_for_flutter_colors
+    # - use_function_type_syntax_for_parameters # not yet tested
+    # - use_key_in_widget_constructors # not yet tested
    - use_rethrow_when_possible
    # - use_setters_to_change_properties # not yet tested
-    # - use_string_buffers # https://github.com/dart-lang/linter/pull/664
+    # - use_string_buffers # has false positives: https://github.com/dart-lang/sdk/issues/34182
    # - use_to_and_as_if_applicable # has false positives, so we prefer to catch this by code-review
-
-    # === pub rules ===
-    - package_names
-
-    # === doc rules ===
-    # - public_member_api_docs
+    - valid_regexps
+    - void_checks
--- a/example/.gitignore
+++ b/example/.gitignore
@ -24,50 +24,20 @@
 **/doc/api/
 .dart_tool/
 .flutter-plugins
+.flutter-plugins-dependencies
 .packages
 .pub-cache/
 .pub/
 /build/

-# Android related
-**/android/**/gradle-wrapper.jar
-**/android/.gradle
-**/android/captures/
-**/android/gradlew
-**/android/gradlew.bat
-**/android/local.properties
-**/android/**/GeneratedPluginRegistrant.java
+# Web related
+lib/generated_plugin_registrant.dart

-# iOS/XCode related
-**/ios/**/*.mode1v3
-**/ios/**/*.mode2v3
-**/ios/**/*.moved-aside
-**/ios/**/*.pbxuser
-**/ios/**/*.perspectivev3
-**/ios/**/*sync/
-**/ios/**/.sconsign.dblite
-**/ios/**/.tags*
-**/ios/**/.vagrant/
-**/ios/**/DerivedData/
-**/ios/**/Icon?
-**/ios/**/Pods/
-**/ios/**/.symlinks/
-**/ios/**/profile
-**/ios/**/xcuserdata
-**/ios/.generated/
-**/ios/Flutter/App.framework
-**/ios/Flutter/Flutter.framework
-**/ios/Flutter/Generated.xcconfig
-**/ios/Flutter/app.flx
-**/ios/Flutter/app.zip
-**/ios/Flutter/flutter_assets/
-**/ios/Flutter/flutter_export_environment.sh
-**/ios/ServiceDefinitions.json
-**/ios/Runner/GeneratedPluginRegistrant.*
+# Symbolication related
+app.*.symbols
+
+# Obfuscation related
+app.*.map.json

 # Exceptions to above rules.
-!**/ios/**/default.mode1v3
-!**/ios/**/default.mode2v3
-!**/ios/**/default.pbxuser
-!**/ios/**/default.perspectivev3
 !/packages/flutter_tools/test/data/dart_dependencies_test/**/.packages
--- a/example/analysis_options.yaml
+++ b/example/analysis_options.yaml
@ -1,40 +1,4 @@
-# Defines a default set of lint rules enforced for
-# projects at Google. For details and rationale,
-# see https://github.com/dart-lang/pedantic#enabled-lints.
-include: package:pedantic/analysis_options.yaml
+# Take our settings from the repo's main analysis_options.yaml file, but include
+# an additional rule to validate that public members are documented.

-analyzer:
-  strong-mode:
-    implicit-casts: false
-    # implicit-dynamic: false
-
-linter:
-  rules:
-    - iterable_contains_unrelated_type
-    - list_remove_unrelated_type
-    - test_types_in_equals
-    - unrelated_type_equality_checks
-    - valid_regexps
-    - annotate_overrides
-    - hash_and_equals
-    - prefer_is_not_empty
-    - avoid_empty_else
-    - cancel_subscriptions
-    - close_sinks
-    - always_declare_return_types
-    - camel_case_types
-    - empty_constructor_bodies
-    - avoid_init_to_null
-    # - constant_identifier_names
-    - one_member_abstracts
-    - slash_for_doc_comments
-    - sort_constructors_first
-    - unnecessary_brace_in_string_interps
-
-    # === doc rules ===
-    # - public_member_api_docs
-
-    # ignore specify types
-    # - always_specify_types
-    # ignore const for now
-    # - prefer_const_constructors
+include: ../analysis_options.yaml
--- a/example/lib/main.dart
+++ b/example/lib/main.dart
@ -191,7 +191,7 @@ class _HomeState extends State<Home> {
  }

  void _showTips(String title, String content) {
-    showDialog(
+    showDialog<void>(
      context: context,
      builder: (BuildContext context) {
        return AlertDialog(
--- a/lib/src/tencent.dart
+++ b/lib/src/tencent.dart
@ -29,7 +29,7 @@ class Tencent {
  static const String _METHOD_SHAREWEBPAGE = 'shareWebpage';

  static const String _METHOD_ONLOGINRESP = 'onLoginResp';
-  static const String _METHOD_ONSHARERESP = "onShareResp";
+  static const String _METHOD_ONSHARERESP = 'onShareResp';

  static const String _ARGUMENT_KEY_APPID = 'appId';
  static const String _ARGUMENT_KEY_UNIVERSALLINK = 'universalLink';
@ -47,24 +47,19 @@ class Tencent {

  static const String _SCHEME_FILE = 'file';

-  final MethodChannel _channel =
-      const MethodChannel('v7lin.github.io/tencent_kit');
+  final MethodChannel _channel = const MethodChannel('v7lin.github.io/tencent_kit');

-  final StreamController<TencentLoginResp> _loginRespStreamController =
-      StreamController<TencentLoginResp>.broadcast();
+  final StreamController<TencentLoginResp> _loginRespStreamController = StreamController<TencentLoginResp>.broadcast();

-  final StreamController<TencentShareResp> _shareRespStreamController =
-      StreamController<TencentShareResp>.broadcast();
+  final StreamController<TencentShareResp> _shareRespStreamController = StreamController<TencentShareResp>.broadcast();

  Future<dynamic> _handleMethod(MethodCall call) async {
    switch (call.method) {
      case _METHOD_ONLOGINRESP:
-        _loginRespStreamController.add(
-            TencentLoginResp.fromJson(call.arguments as Map<dynamic, dynamic>));
+        _loginRespStreamController.add(TencentLoginResp.fromJson(call.arguments as Map<dynamic, dynamic>));
        break;
      case _METHOD_ONSHARERESP:
-        _shareRespStreamController.add(
-            TencentShareResp.fromJson(call.arguments as Map<dynamic, dynamic>));
+        _shareRespStreamController.add(TencentShareResp.fromJson(call.arguments as Map<dynamic, dynamic>));
        break;
    }
  }
@ -74,14 +69,13 @@ class Tencent {
    @required String appId,
    String universalLink,
  }) {
-    assert(appId != null && appId.isNotEmpty);
+    assert(appId?.isNotEmpty ?? false);
    assert(!Platform.isIOS || universalLink == null);
-    return _channel.invokeMethod(
+    return _channel.invokeMethod<void>(
      _METHOD_REGISTERAPP,
      <String, dynamic>{
        _ARGUMENT_KEY_APPID: appId,
-        if (universalLink?.isNotEmpty ?? false)
-          _ARGUMENT_KEY_UNIVERSALLINK: universalLink,
+        if (universalLink?.isNotEmpty ?? false) _ARGUMENT_KEY_UNIVERSALLINK: universalLink,
      },
    );
  }
@ -98,20 +92,20 @@ class Tencent {

  /// 检查QQ是否已安装
  Future<bool> isQQInstalled() {
-    return _channel.invokeMethod(_METHOD_ISQQINSTALLED);
+    return _channel.invokeMethod<bool>(_METHOD_ISQQINSTALLED);
  }

  /// 检查QQ是否已安装
  Future<bool> isTIMInstalled() {
-    return _channel.invokeMethod(_METHOD_ISTIMINSTALLED);
+    return _channel.invokeMethod<bool>(_METHOD_ISTIMINSTALLED);
  }

  /// 登录
  Future<void> login({
    @required List<String> scope,
  }) {
-    assert(scope != null && scope.isNotEmpty);
-    return _channel.invokeMethod(
+    assert(scope?.isNotEmpty ?? false);
+    return _channel.invokeMethod<void>(
      _METHOD_LOGIN,
      <String, dynamic>{
        _ARGUMENT_KEY_SCOPE: scope.join(','),
@ -121,7 +115,7 @@ class Tencent {

  /// 登出
  Future<void> logout() {
-    return _channel.invokeMethod(_METHOD_LOGOUT);
+    return _channel.invokeMethod<void>(_METHOD_LOGOUT);
  }

  /// 用户信息
@ -131,24 +125,19 @@ class Tencent {
    @required String openid,
    @required String accessToken,
  }) {
-    assert(appId != null && appId.isNotEmpty);
-    assert(openid != null && openid.isNotEmpty);
-    assert(accessToken != null && accessToken.isNotEmpty);
-    return HttpClient()
-        .getUrl(Uri.parse(
-            'https://graph.qq.com/user/get_user_info?access_token=$accessToken&oauth_consumer_key=$appId&openid=$openid'))
-        .then((HttpClientRequest request) {
+    assert(appId?.isNotEmpty ?? false);
+    assert(openid?.isNotEmpty ?? false);
+    assert(accessToken?.isNotEmpty ?? false);
+    return HttpClient().getUrl(Uri.parse('https://graph.qq.com/user/get_user_info?access_token=$accessToken&oauth_consumer_key=$appId&openid=$openid')).then((HttpClientRequest request) {
      return request.close();
    }).then((HttpClientResponse response) async {
      if (response.statusCode == HttpStatus.ok) {
        ContentType contentType = response.headers.contentType;
        Encoding encoding = Encoding.getByName(contentType?.charset) ?? utf8;
        String content = await encoding.decodeStream(response);
-        return TencentUserInfoResp.fromJson(
-            json.decode(content) as Map<dynamic, dynamic>);
+        return TencentUserInfoResp.fromJson(json.decode(content) as Map<dynamic, dynamic>);
      }
-      throw HttpException(
-          'HttpResponse statusCode: ${response.statusCode}, reasonPhrase: ${response.reasonPhrase}.');
+      throw HttpException('HttpResponse statusCode: ${response.statusCode}, reasonPhrase: ${response.reasonPhrase}.');
    });
  }

@ -158,11 +147,8 @@ class Tencent {
    @required String accessToken,
    String unionid = '1',
  }) {
-    assert(accessToken != null && accessToken.isNotEmpty);
-    return HttpClient()
-        .getUrl(Uri.parse(
-            'https://graph.qq.com/oauth2.0/me?access_token=$accessToken&unionid=$unionid'))
-        .then((HttpClientRequest request) {
+    assert(accessToken?.isNotEmpty ?? false);
+    return HttpClient().getUrl(Uri.parse('https://graph.qq.com/oauth2.0/me?access_token=$accessToken&unionid=$unionid')).then((HttpClientRequest request) {
      return request.close();
    }).then((HttpClientResponse response) async {
      if (response.statusCode == HttpStatus.ok) {
@ -174,12 +160,10 @@ class Tencent {
        Match match = exp.firstMatch(callback);
        if (match.groupCount == 1) {
          String content = match.group(1);
-          return TencentUnionidResp.fromJson(
-              json.decode(content) as Map<dynamic, dynamic>);
+          return TencentUnionidResp.fromJson(json.decode(content) as Map<dynamic, dynamic>);
        }
      }
-      throw HttpException(
-          'HttpResponse statusCode: ${response.statusCode}, reasonPhrase: ${response.reasonPhrase}.');
+      throw HttpException('HttpResponse statusCode: ${response.statusCode}, reasonPhrase: ${response.reasonPhrase}.');
    });
  }

@ -191,22 +175,16 @@ class Tencent {
    Uri videoUri,
  }) {
    assert(scene == TencentScene.SCENE_QZONE);
-    assert((summary != null && summary.isNotEmpty) ||
-        (imageUris != null && imageUris.isNotEmpty) ||
-        (videoUri != null && videoUri.isScheme(_SCHEME_FILE)));
-    if (imageUris != null && imageUris.isNotEmpty) {
-      imageUris.forEach((Uri imageUri) {
-        assert(imageUri != null && imageUri.isScheme(_SCHEME_FILE));
-      });
-    }
-    return _channel.invokeMethod(
+    assert((summary?.isNotEmpty ?? false) ||
+        (imageUris?.isNotEmpty ?? false) ||
+        (videoUri != null && videoUri.isScheme(_SCHEME_FILE)) ||
+        ((imageUris?.isNotEmpty ?? false) && imageUris.every((Uri element) => element != null && element.isScheme(_SCHEME_FILE))));
+    return _channel.invokeMethod<void>(
      _METHOD_SHAREMOOD,
      <String, dynamic>{
        _ARGUMENT_KEY_SCENE: scene,
        if (summary?.isNotEmpty ?? false) _ARGUMENT_KEY_SUMMARY: summary,
-        if (imageUris?.isNotEmpty ?? false)
-          _ARGUMENT_KEY_IMAGEURIS:
-              imageUris.map((Uri imageUri) => imageUri.toString()).toList(),
+        if (imageUris?.isNotEmpty ?? false) _ARGUMENT_KEY_IMAGEURIS: imageUris.map((Uri imageUri) => imageUri.toString()).toList(),
        if (videoUri != null) _ARGUMENT_KEY_VIDEOURI: videoUri.toString(),
      },
    );
@ -218,8 +196,8 @@ class Tencent {
    @required String summary,
  }) {
    assert(scene == TencentScene.SCENE_QQ);
-    assert(summary != null && summary.isNotEmpty);
-    return _channel.invokeMethod(
+    assert(summary?.isNotEmpty ?? false);
+    return _channel.invokeMethod<void>(
      _METHOD_SHARETEXT,
      <String, dynamic>{
        _ARGUMENT_KEY_SCENE: scene,
@ -237,7 +215,7 @@ class Tencent {
  }) {
    assert(scene == TencentScene.SCENE_QQ);
    assert(imageUri != null && imageUri.isScheme(_SCHEME_FILE));
-    return _channel.invokeMethod(
+    return _channel.invokeMethod<void>(
      _METHOD_SHAREIMAGE,
      <String, dynamic>{
        _ARGUMENT_KEY_SCENE: scene,
@ -260,10 +238,10 @@ class Tencent {
    int extInt = TencentQZoneFlag.DEFAULT,
  }) {
    assert(scene == TencentScene.SCENE_QQ);
-    assert(title != null && title.isNotEmpty);
-    assert(musicUrl != null && musicUrl.isNotEmpty);
-    assert(targetUrl != null && targetUrl.isNotEmpty);
-    return _channel.invokeMethod(
+    assert(title?.isNotEmpty ?? false);
+    assert(musicUrl?.isNotEmpty ?? false);
+    assert(targetUrl?.isNotEmpty ?? false);
+    return _channel.invokeMethod<void>(
      _METHOD_SHAREMUSIC,
      <String, dynamic>{
        _ARGUMENT_KEY_SCENE: scene,
@ -288,9 +266,9 @@ class Tencent {
    String appName,
    int extInt = TencentQZoneFlag.DEFAULT,
  }) {
-    assert(title != null && title.isNotEmpty);
-    assert(targetUrl != null && targetUrl.isNotEmpty);
-    return _channel.invokeMethod(
+    assert(title?.isNotEmpty ?? false);
+    assert(targetUrl?.isNotEmpty ?? false);
+    return _channel.invokeMethod<void>(
      _METHOD_SHAREWEBPAGE,
      <String, dynamic>{
        _ARGUMENT_KEY_SCENE: scene,