project_telephony/lib/ui/exclude/exclude_contacts_page.dart

import 'package:bot_toast/bot_toast.dart';
import 'package:flutter/material.dart';
import 'package:flutter_contacts/flutter_contacts.dart';
import 'package:flutter_screenutil/flutter_screenutil.dart';
import 'package:get/get.dart';
import 'package:project_telephony/ui/widget/scaffold_theme_widget.dart';
import 'package:shared_preferences/shared_preferences.dart';
import 'package:velocity_x/velocity_x.dart';

import '../../constants/api.dart';
import '../../model/exclude_phone_model.dart';
import '../../model/network/api_client.dart';
import '../../model/network/base_model.dart';

class ExcludeContactsPage extends StatefulWidget {
  const ExcludeContactsPage({Key? key}) : super(key: key);

  @override
  _ExcludeContactsPageState createState() => _ExcludeContactsPageState();
}

class _ExcludeContactsPageState extends State<ExcludeContactsPage> {
  List<Contact>? contacts;
  List<String> numbers = [];
  List<String> numbers1 = [];
  List<bool> status = [];
  var flag = true;

  @override
  void initState() {
    super.initState();
    _viewLoading();
  }

  Future _viewLoading() async {
    // final SharedPreferences prefs = await SharedPreferences.getInstance();
    contacts = await FlutterContacts.getContacts();
    for (var element in contacts!) {
      final full = await FlutterContacts.getContact(element.id);
      if(full?.phones.length==0){
        numbers.add('无');
      }else{
        numbers.add(full!.phones.first.number);
      }
      status.add(false);
    }
    // await prefs.setStringList("addressList", numbers);
    print(contacts?.length);
    setState(() {});
  }

  @override
  Widget build(BuildContext context) {
    var profileBuilder = FutureBuilder(
      future: _viewLoading(),
      builder: (BuildContext context, AsyncSnapshot<dynamic> snapshot) {
        if (snapshot.connectionState == ConnectionState.waiting && flag) {
          flag = false;
          return Container();
        } else {

          return ListView.builder(
              itemCount: contacts!.length,
              itemBuilder: (context, i) {

                return ListTile(
                  title: Text(
                    contacts![i].displayName,
                    style: TextStyle(
                      fontSize: 32.sp,
                      fontWeight: FontWeight.w600,
                    ),
                  ),
                  subtitle: Text(
                    numbers[i],
                    style: TextStyle(
                      fontSize: 28.sp,
                      fontWeight: FontWeight.w300,
                    ),
                  ),
                  trailing: Checkbox(
                    value: status[i],
                    // 改变后的事件
                    onChanged: (value) {
                      setState(() {
                        status[i] = !status[i];
                      });
                    },
                    // 选中后的颜色
                    activeColor: Colors.blue,
                    // 选中后对号的颜色
                    checkColor: Colors.white,
                  ),
                ).paddingOnly(left: 20.w);
              });
        }
      },
    );

    return ScaffoldThemeWidget(
      title: "从通讯录添加",
      bottom: "添加",
      onTap: () async {
        List<Exclude> excludeList = [];
        for (int i = 0; i < status.length; i++) {
          if (status[i] == true) {
            excludeList.add(
                Exclude(phone: numbers[i], remark: contacts![i].displayName));
          }
        }
        if (status.contains(true)) {
          BaseModel res = await apiClient
              .request(API.exclude.add, data: {'exclude': excludeList});
          if (res.code == 0) {
            BotToast.showText(text: res.msg);
            Get.back();
          }
        } else {
          BotToast.showText(text: "还未选中手机号");
        }
      },
      isOpacity: status.contains(true),
      isBorder: true,
      child: profileBuilder,
    );
  }
}