Load and display images from the internet

Which of the following is not a common HTTP operation/method:

GET

POST

DELETE

SET

The response from a REST web service is commonly formatted in one of the common data transfer formats like XML or JSON.

True

False

Which of the following is not true for the Retrofit library:

It is a client library.

It enables your app to make requests to a REST web service.

It converts Kotlin objects to JSON objects.

It is a third-party library.

Which of the following applies to a Singleton pattern:

object declarations are used to declare singleton objects in Kotlin.

Ensures that one, and only one, instance of an object is created

Has one global point of access to that object.

All of the above

Each JSON object contains the following:

A set of key-value pairs separated by a colon.

A set of key-value pairs separated by a comma.

A set of key-value pairs separated by a semi colon.

None of the above

Following Android’s recommended app architecture guidelines, an app should have which of the following:

A UI Layer

A Domain Layer

A Data Layer

A Business Layer

The advantages of using Dependency Injection (DI) in your app include which of the following:

Choose as many answers as you see fit.

Helps with the reusability of code

Makes refactoring easier

Helps with testing

Makes your app run faster

If your app has more than one type of data source, they should all be stored in the same repository for ease of use.

True

False

Which of the following is used to replace the `Main` dispatcher with a `TestDispatcher` in a local unit test:

runTest

runBlocking

Distpatchers.resetMain()

Dispatchers.setMain()

The `runTest()` function can be used to test `suspend` functions.

True

False

Which of the following is not a common HTTP operation/method:

The response from a REST web service is commonly formatted in one of the common data transfer formats like XML or JSON.

Which of the following is not true for the Retrofit library:

Which of the following applies to a Singleton pattern:

Each JSON object contains the following:

Following Android’s recommended app architecture guidelines, an app should have which of the following:

The advantages of using Dependency Injection (DI) in your app include which of the following:

If your app has more than one type of data source, they should all be stored in the same repository for ease of use.

Which of the following is used to replace the Main dispatcher with a TestDispatcher in a local unit test:

The runTest() function can be used to test suspend functions.

Which of the following is used to replace the `Main` dispatcher with a `TestDispatcher` in a local unit test:

The `runTest()` function can be used to test `suspend` functions.