Networking has played a critical role in Android apps since the very beginning of Android development. Most apps don’t work in isolation; rather, they connect to an online service to retrieve data or perform other networking functions.
At the lecture, we will learn how to go online, what you need to use for working with the network.
What network permissions are needed?
Together with you, we will investigate all these details.

Network requests in Android

Permissions - INTERNET
HttpUrlConnection
InputStream

Working with JSON

Parsing Json into POJO
JSONObject
JSONArray
Adapters
GSON

Concept
@SerilaizedName annotation

Introduction to OkHttp

Basic HTTP requests

GET, POST

Interceptors?

Headers example?
Logging example?

Retrofit

Basic usage

Interface declaration + annotations
Preparing the response object using GSON
Sync/Async call

Declaring headers
Post body example

Picasso / Glide

Basic usage - load image from the internet

Network profiling tool

Logging
Android studio profiler
Stetho

BTW, we create a telegram chat for the discussions!

See you soon!

Android Academy team.

Great thanks to our partners below!

Info partner

Android Fundamentals #8: Networking

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