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WorksheetsGDSC day 3
Total questions: 31
Worksheet time: 16mins
Flutter allows you to instantly reflect small changes in the app as you edit the code base. This is called -
Hot Restart
Hot Reload
Hot Quickstart
Hot Rerun
What are the building blocks of a Flutter Application?
Widgets
Containers
Buttons
Text
Flutter Apps can run on
Windows
Linux
Android
All of these
What is the Widget used to call an App bar?
AppBar()
App()
TopBar()
Header()
The backbone widget of a Flutter App is -
Scaffold()
Container()
Child()
Header()
Which one is correct?
void foo1() async{
int x = await foo2();
}
void foo1() await{
int x = async foo2();
}
void foo1() async{
int x = async foo2();
}
void foo1() await{
int x = await foo2();
}
Flutter is _____.
Single Codebase.
Open-Source UI.
Cross Platform.
All of the above.
from what we can read input from user?
cin>>;
readlinesync();
console.readline();
stdin.readlinesync();
var a = 9;
var b = 5;
print(a>b && 4>7);
what is the output of this code?
9>5 && 4>7
a>b && 4>7
Error
false
Unit of composition in flutter would be
Widget
UI
Layer
The rendering process is
How Flutter turns UI code into pixels
A core concept for Flutter UI development
The pieces from which Flutter is constructed
تفتكر لما تكبر هتبقا ايه
What operating systems can you install the Flutter development environment on?
Windows
Mac
Linux
Chrome OS
What is a String?
Text
Numbers
Yes / No
Date / Time
What is the name of the command you use to verify you have setup your flutter environment correctly?
flutter run
flutter doctor
flutter surgeon
dart export
What is not true about Stateless widgets?
Stateless widgets are not state-sensitive and remain static throughout its lifecycle.
Stateless widgets can't keep track of changes and update the UI based on these changes.
Stateless widgets can never show updated content.
How do you apply color to a widget?
color : Colors.blue
color : Colors.blueColor
color : blue
color : blue.Colors
how can we create a flutter project with command line?
flutter create <app_name>
flutter new <app_name>
dart create <app_name>
dart new <app_name>
what is the main folders in a simple flutter project?
android, ios, lib, test
assets, android, lib, test
android, ios, lib, config
android, ios, lib, docs
مين احسن حارس في مصر دلوقتي
صاحبي فى حجز خماسي
الشناوي
ابو جبل
عصام الحضري
دي معلش سوال تافه بس زوق معايا الكويزايه البتاعة
ايلاينر
مسكرا
ولد ومعرفش
which one is true about main() function?
you must have exactly one main function in your program.
main function is required.
In general, main function will initiate any pre-processing needed for the app.
all options are correct .
What is the full form of GDSC?
Google Developer Student Clubs
Google Development for Students CS
Google Student Developer Clubs
Google Developers Club for Students
It describes the structure of the widgets inside your app
Images
Widgets
Text
Widget Tree
What do you call the widgets that are immutable, or widgets that cannot be changed over the lifetime of the widget
StatelessWidget
StatefulWidget
Which of the following is not considered in the category of Basic Widgets?
Text
Row
Image
Icon
Given this widget tree, which of the following is not true?
AppBar widget contains a Text Widget
Center widget contains a Column Widget
Column widget contains a Text Widget
Center widget has 2 child (Column and Text)
What layout widget is used to have this outcome?
Row
Column
Grid View
Expanded Row
Which is wrong about Multiple child widget?
Can only have 1 child
Can have 2 child
Can have 3 child
Can have 4 child
what is the output of this code?
const R = 3.1;
R=5;
print(R);
3.1
5
Error
3
Which operator can be used to compare two values?
==
=
><
<>
