harmony 鸿蒙Screen Hopping Error Codes

2025-06-12
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Screen Hopping Error Codes

NOTE

This topic describes only module-specific error codes. For details about universal error codes, see Universal Error Codes.

20900001 Input Device Operation Failed

Error Message

Service exception. Possible causes: 1. A system error, such as null pointer, container-related exception, or IPC exception. 2. N-API invocation exception or invalid N-API status.

Description

This error code is reported if the screen hopping status is abnormal when the screen hopping API is called.

Possible Causes

When screen hopping is initiated, the local device is in the hopped state.
When screen hopping is disabled, the local device is in the free state.
When screen hopping is disabled, the local device is in the hopping state.
A system error (for example, null pointer, container exception, or IPC exception) has occurred.
The native API call is abnormal, or the native API status is invalid.

Procedure

When initiating screen hopping, make sure that the local device is not in the hopped state.
When disabling screen hopping, make sure that the local device is not in the free state.
When disabling screen hopping, make sure that the local device is not in the hopping state.