Flutter Async + Packages

Where do we put packages and plugins in order for us to import it in our Dart codes?

• AndroidManifest

• pubspec.lock

• pubspec.yaml

• main.dart

What is the command when we update pubspec.yaml?

(a)  

Which of the following is not a possible state of "Future"?

• Uncompleted

• Delayed

• Completed

Where can we search Flutter packages?

• pub.dev

• Stack Overflow

• Flutter docs

It delivers a single value asynchronously which is either an error or data.

• Future

• Stream

• Async/Await

It asynchronously delivers zero or more values and errors over time.

• Future

• Stream

• Async/Await

What is the keyword being used together with "async" to wait for a function to finish?

(a)  

What is the widget you can use to display a future value on your screen?

• StreamBuilder

• FutureBuilder

• ListBuilder

What is this feature that helps improve developers' productivity by eliminating a whole class of bugs caused by null dereferencing errors?

• Exception-safety

• Null-safety

• Bug-safety

Used to manage shared software such libraries and tools.

• Dependencies

• Package

• Plugin