flutter-sport/lib/sharesdk/tencent.dart

import 'dart:async';
import 'dart:convert';
import 'dart:io';

import 'package:flutter/material.dart';
import 'package:sport/sharesdk/tencent_api_resp.dart';
import 'package:sport/utils/toast.dart';
import 'package:tencent_kit/tencent_kit.dart';

extension MixerTencent on Tencent {
  /// 用户信息
  /// https://wiki.connect.qq.com/get_user_info
  Future<TencentUserInfoResp> getUserInfo({
    required String appId,
    required String openid,
    required String accessToken,
  }) {
    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) {
        final ContentType? contentType = response.headers.contentType;
        final Encoding encoding = Encoding.getByName(contentType?.charset) ?? utf8;
        final String content = await encoding.decodeStream(response);
        return TencentUserInfoResp.fromJson(json.decode(content) as Map<String, dynamic>);
      }
      throw HttpException('HttpResponse statusCode: ${response.statusCode}, reasonPhrase: ${response.reasonPhrase}.');
    });
  }
}

mixin TencentMixin<T extends StatefulWidget> on State<T> {
  static const String _TENCENT_APPID = '1110701531';

  late Tencent _tencent;
  late final StreamSubscription<BaseResp> _respSubs;

  void _listenResp(BaseResp resp) async {
    if (resp.isSuccessful != true) return;
    if (resp is LoginResp) {
      final TencentUserInfoResp userInfo = await Tencent.instance.getUserInfo(
        appId: _TENCENT_APPID,
        openid: resp.openid!,
        accessToken: resp.accessToken!,
      );

      listenTencentLoginMsg(resp, userInfo);
    } else if (resp is ShareMsgResp) {
      listenTencentShareMsg(resp);
    }
  }

  listenTencentLoginMsg(LoginResp loginResp, TencentUserInfoResp resp) {}

  listenTencentShareMsg(ShareMsgResp resp) {}

  @override
  void initState() {
    super.initState();
    _tencent = Tencent.instance;
    _respSubs = _tencent.respStream().listen(_listenResp);
  }

  _initSDK() async {
    await _tencent.setIsPermissionGranted(granted: true);
    await _tencent.registerApp(appId: _TENCENT_APPID);
  }

  @override
  void dispose() {
    _respSubs.cancel();
    super.dispose();
  }

  Future<bool> tencentSupport() async {
    return await _tencent.isQQInstalled() || await _tencent.isTIMInstalled();
  }

  void tencentLogin() async {
    await _initSDK();

    if ((await tencentSupport()) == true) {
      _tencent.login(
        scope: <String>[TencentScope.GET_SIMPLE_USERINFO],
      );
    } else {
      ToastUtil.show("您没有安装腾讯QQ客户端");
    }
  }

  void tencentShare(String filePath) async {
    await _initSDK();
    await _tencent.shareImage(
      scene: TencentScene.SCENE_QQ,
      imageUri: Uri.file(filePath),
    );
  }

  void tencentShareLink(String url) async {
    await _initSDK();
    await _tencent.shareWebpage(scene: TencentScene.SCENE_QQ, title: "分享页面", targetUrl: url);
  }
}