INTRODUCTION

SELF REVIEW: HTTP REQUEST/RESPONSE IN KOTLIN

1. In this exercise, which scope was used to launch the fetchContent method?

2.  In this exercise, which library was used to make network request?  

3. In this exercise, which class was used to make a network request? 

4. Using HTTPS over HTTP is preferable because?

5. In Ktor, the body() function is used to return what?  

KNOWLEDGE CHECK: HTTP IN KOTLIN

1. Ktor is an HTTP networking library. True or false?

2. HTTP requests are made of which of these items? Select all that apply.

3. Which HTTP response status code represents the operation success?

4. Which HTTP response status code represents the resource not found?

5. HTTP request headers provide the target path as part of HTTP request. True or false?

6. HTTP headers are present in which of these items? Select all that apply:

7. What does this server response represent?

HTTP/1.1 200 OK 
Date: Sun, 10 Oct 2010 15:16:01 GMT 
Server: Apache 
Content-length: 18532 
Content-type: text/html 

8. Which library can be used can you use in an Android app to make network requests?

SELF REVIEW: PARSING DATA IN KOTLIN

1. In this exercise, what was the name of the method that downloaded the menu items?  

2. In this exercise, how was the value from menuItemsLiveData retrieved?   

3. In this exercise the menuItemsLiveData.value was assigned at the main thread.  True or false?

4. Which of the following statements about JSON are correct? Select all that apply.

5. Which function of GSON would you call to convert a JSON string to a Kotlin object?

KNOWLEDGE CHECK

1. Image caching reduces the amount of data that needs to be downloaded from an external source. True or false?

2. Which of these are Android image loading libraries? Select all that apply.

3. Which of these can the Glide library take care of? Select all that apply.

4. Which library can be used to parse JSON data in Kotlin?

5. Before JSON data can be used in the app, it should be serialized. True or false?

MODULE QUIZ: INTERACTING WITH REST APIS IN ANDROID

1. Which protocol should you use for making HTTP network requests?

2. What is the Ktor Client primarily used for? Select all that apply. 

3. What threads should you use for making a network request and for updating the UI?

4. What is the right syntax for making a GET HTTP request using Ktor? Select all that apply. 

5. JSON has some key advantages as a data format. Which of the below are strengths of JSON? Select all that apply.

6. You have the JSON string “{\”name\”:\”Jake\”}” and the Kotlin object Person that has a name field. Using GSON, how would you parse the string to the Person object?

7. What is Glide used for? Select all that apply. 

8. Which composable would you use to download images with the Glide library? 

9. Which ktor class is used to make HTTP request and handle HTTP response?

10. Name the data format contained in this code.

{ 
  "Appetizers": { 
    "menu": [ 
      "Spinach Artichoke Dip", 
      "Hummus", 
      "Fried Calamari Rings", 
      "Fried Mushrooms" 
    ] 
  } 
} 

CONCLUSION