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Solution : To convert Stateless dialogbox to Stateful DialogBox we use “StatefulBuilder”
Code Example :
Future<void> showInformationDialog(BuildContext context) async {
return await showDialog(
context: context,
builder: (context) {
bool isChecked = false;
return StatefulBuilder(builder: (context, setState) {
return AlertDialog(
title: Center(
child: Text("Reschedule Your Date And Time ",
style: TextStyle(
fontSize: 14,
fontWeight: FontWeight.bold,
color: Colors.black,
),
),
),
content: Expanded(
child: Container(
height: MediaQuery.of(context).size.height*0.19,
width: MediaQuery.of(context).size.width*0.6,
child: Column(
mainAxisAlignment: MainAxisAlignment.spaceAround,
children: [
Container(
width: MediaQuery.of(context).size.width* 0.38,
padding: EdgeInsets.symmetric(horizontal: 5,vertical: 3),
decoration: BoxDecoration(
color:inputField,
borderRadius: BorderRadius.circular(8),
),
child: TextButton(
onPressed: ()async {
await _pickDate(context);
setState((){});
},
child:Row(
mainAxisAlignment: MainAxisAlignment.spaceBetween,
children: [
Text("${pickedData.year}/ ${pickedData.month}/ ${pickedData.day}",
style: TextStyle(
fontWeight: FontWeight.w500,
color: Colors.black,
fontSize: 14.0
),
),
Container(
decoration: BoxDecoration(
color: inputField,
borderRadius: BorderRadius.circular(5.0),
image: DecorationImage(
image: Svg("assets/Assets/10/calender.svg"),
fit: BoxFit.cover,
),
),
height: 30,
width: 30,
),
],
),
),
),
SizedBox(height: 5,),
Container(
width: MediaQuery.of(context).size.width* 0.38,
padding: EdgeInsets.symmetric(horizontal: 5,vertical: 3),
decoration: BoxDecoration(
color: inputField,
borderRadius: BorderRadius.circular(8),
),
child: TextButton(
onPressed: () {
_pickTime();
},
child:Row(
mainAxisAlignment: MainAxisAlignment.spaceBetween,
children: [
AlegreyaStyleWidget(
text: time.hour.toString()+":"+time.minute.toString(),
fontWeight: FontWeight.w800,
fontColor: mainHeading,
fontSize: 14.0,
),
Container(
decoration: BoxDecoration(
color: inputField,
borderRadius: BorderRadius.circular(5.0),
image: DecorationImage(
image: Svg("assets/Assets/10/timer.svg"),
fit: BoxFit.cover,
),
),
height: 30,
width: 30,
),
],
),
),
),
],
),
),
),
actions: [
TextButton(
onPressed: (){
Navigator.pop(context);
},
child: Center(child: Container(
decoration: BoxDecoration(
color: btColor,
borderRadius: BorderRadius.circular(5),
),
height: 30,
width: 100,
child: Center(child: Text("SUBMIT",style: TextStyle(fontWeight: FontWeight.bold,color:Colors.black),))))),
],
);
});
});
}