zhiying_comm/lib/util/native_util.dart

/* 
 * 与原生app进行交互
 * @Author: fnuoos
 * @Date: 2020-05-15 11:53:06 
 * @Last Modified by: mikey.zhaopeng
 * @Last Modified time: 2020-05-15 11:53:58
 */

import 'package:flutter/material.dart';
import 'package:flutter/services.dart';
import 'package:fluttertoast/fluttertoast.dart';
import 'package:zhiying_comm/zhiying_comm.dart';

class NativeUtil {
  // 工厂模式
  factory NativeUtil() => _getInstance();
  static NativeUtil get instance => _getInstance();
  static NativeUtil _instance;

  MethodChannel _methodChannel;
  NativeUtil._internal() {
    // 初始化
    _methodChannel = MethodChannel('hairuyi_flutter_comm://method');
  }
  static NativeUtil _getInstance() {
    if (_instance == null) {
      _instance = new NativeUtil._internal();
    }
    return _instance;
  }

  static Future<Map<String, dynamic>> _invokeChannel(String method,
      {Map<String, dynamic> params}) async {
    var res;
    try {
      res =
          await NativeUtil.instance._methodChannel.invokeMethod(method, params);
    } catch (e) {
      res = {'Failed': e.message};
    }

    print(res);
    return Map<String, dynamic>.from(res);
  }

  // 通过原生webview打开url
  static Future openUrl(BuildContext context, String url) {
    Map<String, dynamic> params = Map<String, dynamic>();
    params['url'] = url ?? '';
    params['SkipUIIdentifier'] = 'pub_wailian';
    NativeUtil.openPage(context, params);
  }

  // 公共跳转方法
  static Future openPage(BuildContext context, Map params) {
    // if (params.containsKey('is_to_flutter') &&
    //     params['is_to_flutter'].toString() == '1') {
    //   BasePageModel model = BasePageModel.fromJson(params);
    //   return Navigator.of(context).push(MaterialPageRoute(
    //       builder: (BuildContext context) =>
    //           PageFactory.create(model.SkipUIIdentifier, model)));
    // }
    return NativeUtil._invokeChannel('openPage',
        params: new Map<String, dynamic>.from(params));
  }

  //跳转原生普通页面，非公共跳转
  static Future openNativePage(NativeRouter router, {Map params}) {
    String method = enumToString(router);
    return NativeUtil._invokeChannel('openNativePage', params: {
      'method': method,
      'params': params == null ? {} : Map<String, dynamic>.from(params)
    });
  }

  // 跳转原生商品详情
  static openGoodsDetail(Map<String, dynamic> params) async {
    NativeUtil._invokeChannel('openGoodsDetail', params: params);
  }

  static Future<String> getToken() async {
    Map<String, dynamic> data = await NativeUtil._invokeChannel('getToken');
    if (data.containsKey('token')) {
      return data['token'];
    }
    return '';
  }

  static Future<Map<String, dynamic>> getSetting() async {
    return NativeUtil._invokeChannel('getSetting');
  }

  // 打开支付宝支付
  static Future<bool> payByAlipay(String payCode) async {
    Map params = {"code": payCode};
    Map<String, dynamic> result = await NativeUtil._invokeChannel('openAliPay',
        params: new Map<String, dynamic>.from(params));
    if (result.containsKey('msg')) {
      Fluttertoast.showToast(
        msg: result['msg'],
        toastLength: Toast.LENGTH_SHORT,
        gravity: ToastGravity.BOTTOM,
      );
    }
    if (result.containsKey('success') && result['success'] == '1') {
      return true;
    }
    return false;
  }

  // 打开微信支付
  static Future<bool> payByWechat(Map params) async {
    Map<String, dynamic> result = await NativeUtil._invokeChannel(
        'openWechatPay',
        params: new Map<String, dynamic>.from(params));

    if (result.containsKey('msg')) {
      Fluttertoast.showToast(
        msg: result['msg'],
        toastLength: Toast.LENGTH_SHORT,
        gravity: ToastGravity.BOTTOM,
      );
    }
    if (result.containsKey('success') && result['success'] == '1') {
      return true;
    }
    return false;
  }

  static Future<Map<String, dynamic>> onPagePop(bool isTop) async {
    NativeUtil._invokeChannel('pageDidPop',
        params: new Map<String, dynamic>.from({'isTop': isTop}));
  }

  static Future<Map<String, dynamic>> onPagePush(bool isTop) async {
    NativeUtil._invokeChannel('pageDidPush',
        params: new Map<String, dynamic>.from({'isTop': isTop}));
  }

  static Future<Map<String, dynamic>> invokeMethod(
      String method, Map<String, dynamic> params) {
    Map<String, dynamic> request = {"method": method, "params": params};
    return NativeUtil._invokeChannel('invokeMethod', params: request);
  }
}