Built-in Environment Variables
NOTE
The initial APIs of this module are supported since API version 7. Newly added APIs will be marked with a superscript to indicate their earliest API version.
ColorMode
Enumerates system color modes.
Atomic service API: This API can be used in atomic services since API version 11.
System capability: SystemCapability.ArkUI.ArkUI.Full
| Name | Value | Description |
|---|---|---|
| LIGHT | 0 | Light mode. |
| DARK | 1 | Dark mode. |
LayoutDirection
Enumerates system layout directions.
Atomic service API: This API can be used in atomic services since API version 11.
System capability: SystemCapability.ArkUI.ArkUI.Full
| Name | Value | Description |
|---|---|---|
| LTR | 0 | Left-to-right layout. |
| RTL | 1 | Right-to-left layout. |
| Auto8+ | 2 | Automatic layout direction based on the system. |
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