iOS Swift - Networking
What will happen if an iOS app tries to fetch data from a server but the device has no internet connection?
What will happen if an iOS app tries to fetch data from a server but the device has no internet connection?
medium📝 Predict Output Q4 of 15
Step-by-Step Solution
Solution:
Step 1: Understand network dependency for API calls
API calls require internet; without it, the app cannot reach the server.Step 2: Identify expected app behavior without internet
The app typically gets an error or no response, but does not crash or switch servers automatically.Final Answer:
The app will receive an error or no response from the server -> Option BQuick Check:
No internet = error/no response [OK]
Quick Trick: No internet means API calls fail with errors [OK]
Common Mistakes:
- Assuming automatic server switching
- Expecting instant data without connection
- Thinking app crashes on network failure
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