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Hostel Management System/source code/post_a_problem.dart

+import 'package:flutter/material.dart';
+import 'snackbar.dart';
+class MainPage extends StatefulWidget{
+  PostPage createState()=> PostPage();
+  static String tag = 'post-page';
+}
+String dropdownValue = 'Electrical Problem';
+class PostPage extends State<MainPage>{
+  @override
+  Widget build(BuildContext context) {
+    final image1=new Container(
+      width: 370.0,
+      height: 200.0,
+      child:Padding(
+        padding:EdgeInsets.all(10.0),
+        child: Image.asset('assets/post.jpg'),
+      ),
+    );
+    final text1=new Container(
+      child: Padding(padding: EdgeInsets.fromLTRB(20, 15, 10, 10),
+        child: Text("Choose Your Category:",
+        textAlign: TextAlign.center,
+          style: TextStyle(fontSize: 15,fontStyle: FontStyle.italic,fontWeight: FontWeight.w500),
+        ),
+      ),
+    );
+    final spinner=new Container(
+      padding: EdgeInsets.all(5),
+      child: DropdownButton<String>(
+        value: dropdownValue,
+        onChanged: (String newValue) {
+          setState(() {
+            dropdownValue = newValue;
+          });
+        },
+        items: <String>['Electrical Problem', 'Water Problem', 'Cleaning Problem', 'Food Problem']
+            .map<DropdownMenuItem<String>>((String value) {
+          return DropdownMenuItem<String>(
+            value: value,
+            child: Text(value,
+              textAlign: TextAlign.center,
+              style: TextStyle(fontSize: 18,fontStyle: FontStyle.italic,fontWeight: FontWeight.w500,color: Colors.blue),
+            ),
+          );
+        }).toList(),
+      ),
+      );
+    final text1spinner=new Container(
+      child: Row(
+        children: <Widget>[text1,spinner],
+      ),
+    );
+    final text2=new Container(
+      child: Padding(padding: EdgeInsets.fromLTRB(20, 15, 10, 10),
+        child: Text("Room Number:",
+          textAlign: TextAlign.center,
+          style: TextStyle(fontSize: 15,fontStyle: FontStyle.italic,fontWeight: FontWeight.w500),
+        ),
+      ),
+    );
+    final room=new Container(
+      child: Padding(padding: EdgeInsets.fromLTRB(60, 15, 10, 10),
+        child: Text("305",
+          textAlign: TextAlign.center,
+          style: TextStyle(fontSize: 20,fontStyle: FontStyle.italic,fontWeight: FontWeight.w500,color: Colors.blue),
+        ),
+      ),
+    );
+    final text2room=new Container(
+      child: Row(
+        children: <Widget>[text2,room],
+      ),
+    );
+    final text3=new Container(
+      child: Padding(padding: EdgeInsets.fromLTRB(20, 15, 10, 10),
+        child: Text("Problem Description:",
+          style: TextStyle(fontSize: 15,fontStyle: FontStyle.italic,fontWeight: FontWeight.w500),
+        ),
+      ),
+    );
+    final text4=new Container(
+      child: Padding(padding: EdgeInsets.all(10.0),
+        child: Text("             ",
+          style: TextStyle(fontSize: 15,fontStyle: FontStyle.italic,fontWeight: FontWeight.w500),
+        ),
+      ),
+    );
+    final text3text4=new Container(
+      child: Row(
+        children: <Widget>[text3,text4],
+      ),
+    );
+    final desctext= new TextFormField(
+      maxLines: 3,
+      textCapitalization: TextCapitalization.sentences,
+      textInputAction: TextInputAction.newline,
+      keyboardType: TextInputType.text,
+      autofocus: false,
+      initialValue: '',
+
+      decoration: InputDecoration(
+        hintText: 'Please Enter Your Description Here',
+        contentPadding: EdgeInsets.fromLTRB(20.0, 10.0, 20.0, 10.0),
+        border: OutlineInputBorder(borderRadius: BorderRadius.circular(12.0)),
+      ),
+    );
+    final postbutton=new Container(
+      alignment: Alignment.center,
+      padding: EdgeInsets.fromLTRB(60, 15, 40, 0),
+      child: RaisedButton.icon(onPressed: (){
+        Navigator.of(context).pushNamed(SnackBarDemo.tag);
+        }, icon: Icon(Icons.navigate_next), label: new Text('Post'),
+        color:Colors.lightGreenAccent,
+        textColor: Colors.black54,
+      ),
+    );
+    final body=new Container(
+      child: SingleChildScrollView(
+        child: Column(
+          children: <Widget>[image1,text1spinner,text2room,text3text4,desctext,postbutton],
+        ),
+      ),
+    );
+    return Scaffold(
+        appBar: AppBar(title: Text("Post a Problem"),
+    ),
+    body:body,
+    );
+  }
+}
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