Networking on Android using Retrofit 2

Name: Networking on Android using Retrofit 2
Rating: 4.3 (124 reviews)

Send requests and handle responses using Retrofit 2 library

Created byGayrat Rakhimov

Last updated 5/2018

English

English [Auto],

What you'll learn

Set up Retrofit 2 library and use in Android application projects
Integrate Retrofit 2 in existing projects
Use Retrofit library more efficiently and solve more complicated problems if you are experienced developer

Course content

5 sections • 26 lectures • 2h 2m total length

Introduction1:49
Hello Retrofit - set up Retrofit library5:39
Add Retrofit library to Android application project

HTTP methods2:38
Learn how to use http methods get and post with retrofit to send and receive data between an android client and a server, using a weather example.
GET request4:25
After completing lecture, you will be able to send GET request using Retrofit
GET request: task
POST request2:21
You will be able to send POST request using Retrofit
POST request: task
Query: single parameter2:09
Learn to send a single parameter with Retrofit 2 using the Query annotation to fetch posts by a specific user id, demonstrating request construction and asynchronous handling.
Query: task
Query: multiple parameters1:44
Demonstrate fetching a post by user id and post id with Retrofit 2 by defining a two-parameter query method and displaying the result.
Query: multiple parameters with the same name2:02
Query: task
Query: null parameter3:24
Query: map of parameters1:57
Use Retrofit 2 to pass a dynamic map of query parameters in network requests. Populate the map in the activity and call the endpoint to view the response.
Path: change part of URL2:23
Change part of the url with retrofit 2 path annotation to make post id dynamic. Define a get post by id method that replaces the path segment with the id.
Path: task
Url: how to send request to url with different endpoint3:09
Multipart2:41
Learn to upload a file with retrofit 2 using multipart form data, applying multipart and part annotations, posting to a file io api, and parsing the response for upload details.
Multipart: task
FormUrlEncoded1:47
FormUrlEncoded: Task
Headers: static1:31
Discover how to send requests with static headers in Retrofit 2 for Android, using Content-Type and User-Agent headers.
Headers: dynamic1:26
Send headers dynamically in Retrofit 2 for Android by creating a GET request with Content-Type and User-Agent using header annotations in a Java interface and view the response.
Headers: task

Logging2:59
Learn to implement http logging with Retrofit 2 on Android using OkHttp logging interceptor, configure levels none basic headers and body, and view request and response details.
JSON converter2:44
Integrate a json converter with Retrofit 2 to fetch comments by id, map fields with serialized names in the Calment class, and configure a default converter factory.
JSON converter: task
Create Java classes faster using JsonSchema2POJO3:38
Generate Java classes from JSON data using JsonSchema2POJO, creating User, Address, and Company models, then call a Retrofit API to get a user by id.
Create Java classes faster using JsonSchema2POJO: task
JsonSchema2POJO: offline usage3:28
Explore JsonSchema2POJO for offline usage in an Android Retrofit 2 workflow. Generate a Java class from a schema, import an offline project, and fetch a comment by id.
XML converter2:48
Discover how to integrate an XML converter with Retrofit for Android, send a get request to fetch a breakfast menu, convert XML to Java objects, and display each food name.
XML converter: task

Introduction to practice1:35
Build a football app with standings, fixtures, and top scorers pages, configure retrofit, a Java interface, and a bottom navigation, using port moncks API.
Practice: setup6:49
Set up a new Android app, add Retrofit, converter, and http logging dependencies, and configure internet permission. Create API interface and application class, then initialize Retrofit with configured http client.
Practice: standings12:55
Practice: fixtures10:56
Create a fixtures page using Retrofit 2 to fetch fixtures with API token and include parameter, parse JSON to POJOs, and display team names and scores in a recycler view.
Practice: task

Requirements

You should be able to set up Android development environment (JDK, Android Studio and SDK)
You should be familiar with what HTTP, JSON, XML, Server are

Description

In this course you will learn:

How to send request using Retrofit 2 library
How to handle response
How to use Retrofit 2 annotations

In the end of this course you will be able:

To send GET request with query parameters and headers
To send POST request with Multipart form data and Url encoded form data
To integrate JSON and XML converter into Retrofit 2
To integrate HTTP logging interceptor

This course is practical and engaging:

Less theory, more practice
Information is simplified as possible
Each tutorial is provided with code example
12 practical tasks on which you can learn by doing
In the end of this course, you will create soccer application from scratch using Retrofit 2 library

Who this course is for:

Anyone who wants to use Retrofit 2 library in their project
Anyone who wants to set server-client communication using Retrofit 2 library
Anyone who does not want to spend time for watching YouTube videos, read tutorials from different sources where only basics are covered or information are not structured

Networking on Android using Retrofit 2

What you'll learn

Explore related topics

Course content

Welcome to the course2 lectures • 7min

Sending requests14 lectures • 34min

Handling responses5 lectures • 16min

Practice4 lectures • 32min

Conclusion1 lecture • 1min

Requirements

Description

Who this course is for: