With view model #175
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With view model #175
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antonkazakov
requested changes
Nov 6, 2023
app/src/main/java/otus/homework/coroutines/data/CatImagesService.kt
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app/src/main/java/otus/homework/coroutines/presentation/vm/CatsViewModel.kt
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app/src/main/java/otus/homework/coroutines/presentation/vm/CatsViewModel.kt
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| private val _cat = MutableLiveData<Result<Cat>>() | ||
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| private val exceptionHandler = CoroutineExceptionHandler { _, e -> |
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SocketException нужно обработать в try/catch
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А CoroutineExceptionHandler его не поймает?
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Поймает, но идея следующая:
- try/catch или функция runCatching позволяет поймать ошибку и какой то фоллбек реалзиовать, например получил ошибку сети, сходил в БД или Мемкэш, и корутина дальше продолжит работать
- CoroutineExceptionHandler этот механизм уже когда корутина в терминальном состоянии, и например если упало какое-то исключение, которое никто не ожидал, можно его как то дефолтно обработать, например, показав алерт "что-то пошло не так" или просто в логер какой-то сложить
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