Навигация

// ignore_for_file: prefer_const_constructors, prefer_const_literals_to_create_immutables

import 'package:flutter/material.dart';
import 'package:plantual_1/scenes/primary.dart';
import 'dart:core';
import 'package:plantual_1/scenes/myPlants.dart';
import 'package:plantual_1/scenes/more.dart';

class Home extends StatefulWidget {
  @override
  State<Home> createState() => _HomeState();
}

class _HomeState extends State<Home> {
  int _selectedIndex = 0;

  @override
  Widget build(BuildContext context) {
    return Scaffold(
      backgroundColor: Colors.white,
        bottomNavigationBar: NavigationBar(
          selectedIndex: _selectedIndex,
          onDestinationSelected: (int index){
            setState(() {
              _selectedIndex = index;
            });
            },
          destinations: <NavigationDestination>[
            NavigationDestination(
              selectedIcon: Icon(Icons.home, color: Colors.lightGreen),
              icon: Icon(Icons.home),
              label: 'Главная'
          ),
          NavigationDestination(
              selectedIcon: Icon(Icons.energy_savings_leaf, color: Colors.lightGreen),
              icon: Icon(Icons.energy_savings_leaf),
              label: 'Мои растения'
          ),
          NavigationDestination(
              selectedIcon: Icon(Icons.more_horiz, color: Colors.lightGreen),
              icon: Icon(Icons.more_horiz),
              label: 'Больше'
          ),
        ],
      ),
        appBar: AppBar(
          flexibleSpace: Container(
            decoration: const BoxDecoration(
              gradient: LinearGradient(
                  begin: Alignment.topLeft,
                  end: Alignment.bottomRight,
                  colors: <Color>[Colors.green, Color.fromRGBO(141, 166, 134, 100)]),
            ),
          ),
          centerTitle: true,
          title: _selectedIndex == 1 ? Text('Мои растения') : Text('Plantual'),
          actions: _selectedIndex == 0 ? [
            IconButton(
                onPressed: (){
                  showSearch(
                      context: context,
                      delegate: CustomSearchDelegateAll()
                  );
                },
                icon: Icon(Icons.search))
          ] : [],
          backgroundColor: Colors.lightGreenAccent[100],
          automaticallyImplyLeading: false,),
      body: SafeArea(
        child: IndexedStack(
          index: _selectedIndex,
          children: [
            primary(),
            myPlants(),
            settings(),
          ],
        ),
      )
    );
  }
}