Some of the most popular apps that employ Flutter include:
Suppose you have to represent real world behavior in Flutter, which animation would you use?
The choice of animation in Flutter would depend on the specific behavior that needs to be represented. Flutter provides several animation options that can be used to represent real-world behavior. These include Physics-based animation, Tween animation, Curved animation, and Hero animation.
Which widget in Flutter is a box that comes with a different size?
SizedBox is a widget in Flutter that allows us to specify an arbitrary size for a widget. It is basically used to add empty space between widgets. SizedBox also supports specifying a specific aspect ratio for its child.
Name the different types of build modes in Flutter?
There are three types of build modes in Flutter. These include: Debug– It is used to test the apps. On Android Studio, you can find a green play button on the top panel.“Flutter run” Profile– In this mode, some debugging ability is maintained – enough to profile your app’s performance, and also, it has the performance as the release mode.“Flutter run — profile” Release– It is used for deploying the app on marketplaces.“Flutter run – – release”
Can you name the command used to compile the release mode?
This command “Flutter run — release” is used to compile the release mode. Release mode for a web app means that the app is compiled with the dart2js compiler for best performance.
Can you tell us how many kinds of widgets there are in Flutter?
There are two main types of widgets in Flutter. These include: StatelessWidget– It does not have any state information. It is static throughout its lifecycle. Examples are Row, Text, Column, and Container. StatefulWidget– It has state information. It contains two classes: the state object and the Widget. It is dynamic because it can change the inner data during the Widget’s lifetime. Examples are Radio, Form, Checkbox, and TextField.
Which operator is used to evaluate and return values between two expressions?
This “??” operator is used to evaluate and return values between two expressions. This operator first checks the expression 1 and, if it is non-null, returns its value; otherwise, it will evaluate and return the value of expression 2.
Deploying Flutter Apps: From Development to Production
Can you name some best editors for Flutter development?
Some popular IDEs (Integrated Development Environment) for Flutter include the following:
What does the acronym SDK stand for?
Software Development Kit is a set of software tools and programs provided by software and hardware vendors that developers can use to develop applications for specific platforms. An SDK helps developers easily integrate their apps with a vendor’s services. SDKs can include APIs(Application Programming Interfaces), sample code, documentation, and other resources that help developers create software applications