Why API calls fetch remote data in Flutter - Quick Recap

Recall & Review

beginner

What is an API call in mobile development?

An API call is a request made by a mobile app to a server to get or send data. It helps the app communicate with remote services.

beginner

Why do mobile apps fetch data from remote servers instead of storing everything locally?

Because remote servers can store large, updated data that many users share. Fetching data remotely keeps the app light and up-to-date.

beginner

What does 'fetching remote data' mean in simple terms?

It means the app asks a server somewhere else on the internet for information it needs, like weather or messages.

intermediate

How does an API call improve user experience in a mobile app?

It provides fresh and personalized data quickly without needing to update the app itself, making the app feel responsive and useful.

beginner

What is a common format for data returned by API calls?

JSON (JavaScript Object Notation) is a common, easy-to-read format used to send data between servers and apps.

Why do mobile apps use API calls to fetch data?

A To avoid internet usage

B To increase the app size

C To get updated information from remote servers

D To store data only on the device

API calls let apps get fresh data from servers, keeping information current.

What does an API call usually return?

A A physical device

B User interface elements

C A new app version

D Data in formats like JSON

API calls return data, often in JSON format, for the app to use.

Which of these is NOT a reason to fetch data remotely?

A To make the app work offline only

B To share data among many users

C To reduce app storage needs

D To keep app data updated

Fetching remote data requires internet, so it doesn't support offline-only use.

What is a simple way to describe an API?

A A set of rules for apps to talk to servers

B A programming language

C A type of mobile phone

D A storage device

An API defines how apps and servers communicate.

How does fetching data remotely help keep an app light?

A By storing all data inside the app

B By downloading data only when needed

C By increasing the app's size

D By avoiding internet connection

Fetching data on demand means the app doesn't carry all data inside, keeping it smaller.

Explain why mobile apps use API calls to fetch remote data instead of storing all data locally.

Think about how apps stay current and share info with many users.

Describe what happens during an API call in a mobile app.

Imagine the app asking a server for information and getting an answer back.