Error Handling in Async
Implement robust error handling strategies for asynchronous operations, ensuring your app gracefully manages network failures and exceptions.
Handling Unpredictable Async Errors
Asynchronous operations, like fetching data from the internet or reading files, are inherently unpredictable. They might succeed, fail, or even time out.
Robust error handling is crucial to prevent your app from crashing and to provide a smooth user experience. It allows you to gracefully manage these failures.
`try-catch` for Async Operations
The familiar try-catch block in Dart is your primary tool for handling exceptions in asynchronous code. When an await expression throws an error, it can be caught by an enclosing try-catch block.
try: Contains the code that might throw an exception.catch: Catches and handles the exception if one occurs.on: (Optional) Catches specific types of exceptions.
All lessons in this course
- Futures & Async/Await
- HTTP Requests & JSON
- Error Handling in Async
- Streams & Reactive Data