huixiang_app/lib/im/im_search.dart

import 'dart:ui';

import 'package:flutter/cupertino.dart';
import 'package:flutter/material.dart';
import 'package:flutter_screenutil/flutter_screenutil.dart';

import '../retrofit/retrofit_api.dart';
import '../view_widget/my_appbar.dart';


class ImSearch extends StatefulWidget {
  @override
  State<StatefulWidget> createState() {
    return _ImSearch();
  }
}

class _ImSearch extends State<ImSearch> {
  ApiService apiService;
  final TextEditingController editingController = TextEditingController();
  FocusNode _focusNode = FocusNode();

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

  ///离开页面记着销毁和清除
  @override
  void dispose() {
    _focusNode.unfocus();
    super.dispose();
  }

  @override
  Widget build(BuildContext context) {
    return GestureDetector(
      onTap:(){
        FocusScope.of(context).requestFocus(FocusNode());
      },
      child: Scaffold(
        backgroundColor: Color(0xFFFFFFFF),
        resizeToAvoidBottomInset: false,
        appBar: MyAppBar(
          title: "",
          leading: true,
          leadingColor: Colors.black,
          background: Color(0xFFFFFFFF),
        ),
        body: Container(
          child: Column(
            crossAxisAlignment: CrossAxisAlignment.start,
            children: [
              imSearch(),
              // Expanded(
              //     child: ListView.builder(
              //       itemCount: 10,
              //       physics: BouncingScrollPhysics(),
              //       shrinkWrap: true,
              //       itemBuilder: (context, position) {
              //         return imSearch();
              //       },
              //     )),
            ],
          ),
        ),
      ),
    );
  }

  ///搜索列表
  Widget imSearch() {
    return Container(
      margin: EdgeInsets.fromLTRB(16.w, 8.h, 16.w,29.h),
      padding: EdgeInsets.symmetric(vertical: 13.h),
      decoration: BoxDecoration(
        color: Color(0xFFFDFCFC),
        borderRadius: BorderRadius.circular(4),
      ),
      child: TextField(
        textInputAction: TextInputAction.search,
        onEditingComplete: () {
          FocusScope.of(context).requestFocus(FocusNode());
        },
        controller: editingController,
        style: TextStyle(
          fontSize: 14.sp,
        ),
        decoration: InputDecoration(
          hintText: "搜索",
          hintStyle: TextStyle(
            fontSize: 14.sp,
            color: Color(0xFFA29E9E),
          ),
          isCollapsed: true,
          prefixIcon: Padding(
            padding: EdgeInsets.only(left: 15.w, right: 5.w),
            child: Image.asset(
              "assets/image/icon_search.webp",
              width: 14.h,
              height: 14.h,
              color: Color(0xFFB3B3B3),
            ),
          ),
          prefixIconConstraints: BoxConstraints(),
          border: InputBorder.none,
        ),
      ),
    );
  }
}