zhiying_base_widget/lib/widgets/share/share_alert.dart

import 'dart:ui';

import 'package:flutter/material.dart';
import 'package:sharesdk_plugin/sharesdk_plugin.dart';
import 'package:zhiying_base_widget/widgets/share/models/share_data_model.dart';
import 'package:zhiying_base_widget/widgets/share/models/share_plateform.dart';
import 'package:zhiying_comm/zhiying_comm.dart';
import 'package:share_extend/share_extend.dart';

class ShareAlert extends StatelessWidget {
  final Widget child;
  final ShareDataModel model;

  const ShareAlert(this.model, {Key key, this.child}) : super(key: key); // 中间视图

  @override
  Widget build(BuildContext context) {
    return GestureDetector(
      child: Scaffold(
        backgroundColor: Colors.transparent,
        body: BackdropFilter(
          filter: ImageFilter.blur(sigmaX: 5, sigmaY: 5), //背景
          child: Container(
            child: Column(
              children: <Widget>[
                Expanded(
                  child: Center(child: child ?? Container()),
                ),
                _ShareAlertContent(this.model),
              ],
            ),
          ), // 模糊化
        ),
      ),
      onTap: () {
        Navigator.of(context).pop();
      },
    );
  }
}

class _ShareAlertContent extends StatelessWidget {
  final ShareDataModel model;

  const _ShareAlertContent(this.model, {Key key}) : super(key: key);

  @override
  Widget build(BuildContext context) {
    return GestureDetector(
      onTap: () {},
      child: Container(
        width: double.infinity,
        decoration: BoxDecoration(
          color: Colors.white,
          borderRadius: BorderRadius.only(
            topLeft: Radius.circular(12),
            topRight: Radius.circular(12),
          ),
        ),
        child: SafeArea(
          top: false,
          child: Column(
            children: <Widget>[
              Container(
                margin: EdgeInsets.only(top: 8, bottom: 8),
                width: 62,
                height: 4,
                decoration: BoxDecoration(
                    color: Color(0xffd8d8d8),
                    borderRadius: BorderRadius.circular(2)),
              ),
              Text(
                '分享至',
                style: TextStyle(
                    fontSize: 15,
                    color: Color(0xff333333),
                    fontWeight: FontWeight.bold),
              ),
              Container(
                margin:
                EdgeInsets.only(left: 12, right: 12, top: 10, bottom: 10),
                child: _createIcons(),
              ),
              GestureDetector(
                child: Container(
                  margin: EdgeInsets.only(left: 12, right: 12, bottom: 10),
                  padding: EdgeInsets.all(12),
                  decoration: BoxDecoration(
                      color: Color(0xfff3f3f3),
                      borderRadius: BorderRadius.circular(8)),
                  child: Center(
                    child: Text(
                      '取消',
                      style: TextStyle(
                          fontSize: 12,
                          fontWeight: FontWeight.bold,
                          color: Color(0xff999999)),
                    ),
                  ),
                ),
                onTap: () {
                  Navigator.of(context).pop();
                },
              )
            ],
          ),
        ),
      ),
    );
  }

  Widget _createIcons() {
    return Wrap(
      spacing: 10,
      runSpacing: 10,
      children: List.generate(6, (index) {
        return _createIcon();
      }),
    );
  }

  Widget _createIcon() {
    return GestureDetector(
      child: Container(
        width: 60,
        child: Column(
          children: <Widget>[
            Container(
              width: 40,
              height: 40,
              decoration: BoxDecoration(
                  borderRadius: BorderRadius.circular(20),
                  color: Colors.redAccent),
            ),
            Padding(
              padding: const EdgeInsets.only(top: 2, bottom: 2),
              child: Text(
                '分享平台',
                style: TextStyle(
                    fontSize: 12,
                    color: Color(0xff333333),
                    fontWeight: FontWeight.bold),
              ),
            ),
          ],
        ),
      ),
      onTap: () {
        _shareByMob(SharePlateform.qq);
      },
    );
  }

  void _shareByMob(SharePlateform plateform) {
    //单独公共分享
    SSDKMap params = SSDKMap()
      ..setGeneral(
        model.title,
        model.content,
        model.image,
        null,
        null,
        model.url,
        null,
        null,
        null,
        null,
        SSDKContentTypes.auto,
      );
    ShareSDKPlatform p = ShareSDKPlatforms.wechatSession;
    switch (plateform) {
      case SharePlateform.wechatSession:
        p = ShareSDKPlatforms.wechatSession;
        break;
      case SharePlateform.wechatTimeline:
        p = ShareSDKPlatforms.wechatTimeline;
        break;
      case SharePlateform.qq:
        p = ShareSDKPlatforms.qq;
        break;
      case SharePlateform.qqZone:
        p = ShareSDKPlatforms.qZone;
        break;
      case SharePlateform.sina:
        p = ShareSDKPlatforms.sina;
        break;
    }
    if (model.image is List && (model.image as List).length > 1) {
      // p = ShareSDKPlatforms.sina;
      // Share.shareFiles(model.image);
      ShareExtend.share(
          "share text", "text");
      return;
    }

    SharesdkPlugin.share(p, params, (SSDKResponseState state, Map userdata,
        Map contentEntity, SSDKError error) {
      Logger.debug('${state}, ${error.rawData}');
    });
  }

  // 多图分享
  _shareMultipleImages() async {
    // List<Asset> assetList = await MultiImagePicker.pickImages(maxImages: 5);
    // var imageList = List<String>();
    // for (var asset in assetList) {
    //   String path =
    //   await _writeByteToImageFile(await asset.getByteData(quality: 30));
    //   imageList.add(path);
    // }
    // ShareExtend.shareMultiple(imageList, "image", subject: "share muti image");
  }
}