15 lines
950 B
Markdown
15 lines
950 B
Markdown
[zcash-android-wallet-sdk](../../index.md) / [cash.z.wallet.sdk](../index.md) / [SdkSynchronizer](index.md) / [onCriticalErrorHandler](./on-critical-error-handler.md)
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# onCriticalErrorHandler
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`var onCriticalErrorHandler: ((`[`Throwable`](https://kotlinlang.org/api/latest/jvm/stdlib/kotlin/-throwable/index.html)`?) -> `[`Boolean`](https://kotlinlang.org/api/latest/jvm/stdlib/kotlin/-boolean/index.html)`)?`
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Overrides [Synchronizer.onCriticalErrorHandler](../-synchronizer/on-critical-error-handler.md)
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A callback to invoke whenever an uncaught error is encountered. By definition, the return
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value of the function is ignored because this error is unrecoverable. The only reason the
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function has a return value is so that all error handlers work with the same signature which
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allows one function to handle all errors in simple apps. This callback is not called on the
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main thread so any UI work would need to switch context to the main thread.
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