ال pdf لا يستجيب

[tillawiy]

السلام عليكم استاذ عبدالرحمن الزر الموجود فى الappbar ليس له اى تأثير على الرغم انه يعمل ومن المفترض ان يقوم بتغيير الوضع الى الوضع الليلى .. وعند تغيير القيمه يدويا فى الكود لا يحدث تغيير الا بعد الخروج من الصفحه والدخول مجددا
هل من حل.. وشكرا

// ignore_for_file: prefer_const_constructors, avoid_print, unused_element, unused_field

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

class Z2 extends StatefulWidget {
const Z2({Key? key}) : super(key: key);

@OverRide
State createState() => _ManzomaState();
}

class _ManzomaState extends State {

bool isValue = false;
int _adad = 0;
double _currentPage = 0;
int _totalPages = 0;
PDFViewController? _pdfController;

void _hesab() {
setState(() {
_adad++;
});
}

void _e3adh() {
setState(() {
_adad = 0;
});
}

void onPageChanged(int? page, int? total) {
setState(() {
_currentPage = page?.toDouble() ?? 0.0;
});
}

void jumpToPage(int page) {
setState(() {
_currentPage = page.toDouble();
_pdfController?.setPage(page);
});
}

@OverRide
Widget build(BuildContext context) {
return Scaffold(
appBar: AppBar(
iconTheme: IconThemeData(color: Colors.white),
title: FittedBox(
child: Text(
"صلوات الأمان ",
style: TextStyle(
color: Color.fromARGB(249, 243, 246, 245),
fontFamily: "a3",
fontSize: 22.sp,
fontWeight: FontWeight.w700,
),
),
),
actions: [
IconButton(
icon: Icon(
isValue ? Icons.nightlight_round : Icons.sunny,
color: Colors.white,
),
onPressed: () {
setState(() {
isValue = !isValue;
});
},
),
],
centerTitle: true,
backgroundColor: Color.fromARGB(255, 15, 88, 48),
elevation: 20,
shadowColor: Color.fromARGB(255, 163, 255, 187),
),
body: Stack(
children: [
Column(
crossAxisAlignment: CrossAxisAlignment.center,
children: [
SizedBox(
height: MediaQuery.of(context).size.height * 0.02,
),
],
),
PDF(
pageSnap: false,
defaultPage: 0,
preventLinkNavigation: true,

        nightMode: isValue,
        fitEachPage: false,
        enableSwipe: true,
        swipeHorizontal: false,
        
        pageFling: false,
        autoSpacing: false,
        onRender: (pages) {
          setState(() {
            _totalPages = pages!;
          });
          print('Total Pages: $_totalPages');
          _pdfController?.setPage(_currentPage.round());
        },
        onPageChanged: onPageChanged,
      ).fromAsset('assets/pdfs/pdf_zaad/z2.pdf'),

      Positioned(
        top: 20.0,
        right: 20.0,
        child: Container(
          padding: EdgeInsets.all(8.0),
          decoration: BoxDecoration(
            color: Colors.black54,
            borderRadius: BorderRadius.circular(10.0),
          ),
          child: Text(
            '${_currentPage.toInt() + 1} / $_totalPages',
            style: TextStyle(
              color: Colors.white,
              fontSize: 16.0,
            ),
          ),
        ),
      ),
      
      Positioned(
        bottom: 0,
        right: 0,
        child: Container(
          padding: EdgeInsets.all(1),
          alignment: Alignment.center,
          color: Color.fromARGB(255, 10, 61, 16),
          height: 55.h,
          width: MediaQuery.of(context).size.width * 1,
          child: Row(mainAxisSize: MainAxisSize.min, children: [
            Container(
              width: 100,
              decoration: BoxDecoration(
                borderRadius: BorderRadius.all(Radius.circular(23)),
                color: Color.fromARGB(255, 13, 123, 70),
              ),
              child: IconButton(
                icon: Icon(Icons.refresh_rounded),
                iconSize: 33,
                color: Color.fromARGB(255, 174, 255, 185),
                onPressed: () {
                  _e3adh();
                },
              ),
            ),
            Container(
              height: 55,
              padding: EdgeInsets.only(right: 5, left: 5),
              margin: EdgeInsets.only(
                left: 30,
                right: 30,
              ),
              decoration: BoxDecoration(
                borderRadius: BorderRadius.all(Radius.circular(10)),
                color: Color.fromARGB(255, 13, 123, 70),
              ),
              child: Center(
                child: FittedBox(
                  child: Text(
                    '$_adad',
                    style: TextStyle(
                      fontFamily: "a14",
                      color: Color.fromARGB(255, 169, 252, 180),
                      fontSize: 40.sp,
                    ),
                  ),
                ),
              ),
            ),
            Container(
              width: 100,
              decoration: BoxDecoration(
                borderRadius: BorderRadius.all(Radius.circular(23)),
                color: Color.fromARGB(255, 13, 123, 70),
              ),
              child: IconButton(
                icon: Icon(Icons.add),
                iconSize: 33,
                color: Color.fromARGB(255, 205, 255, 198),
                onPressed: () {
                  _hesab();
                },
              ),
            ),
          ]),
        ),
      ),
    ],
  ),
);

}
}