提交 d06e612c 编写于 作者: G Gloria

Update docs against 13419

Signed-off-by: wusongqing<wusongqing@huawei.com>
上级 2d846d87
# Window Subsystem ChangeLog
## cl.window.1 Change of Window Stage Lifecycle Listener Types
Changed the enumerated listener types of the window stage lifecycle in version 3.2.10.5 and later.
**Change Impacts**
Application lifecycle listeners developed using **FOREGROUND** and **BACKGROUND** in versions earlier than 3.2.10.5 will be invalidated in version 3.2.10.5 and later.
**Key API/Component Changes**
## WindowStageEventType<sup>9+</sup>
Before change
| Name | Value | Description |
| ---------- | ---- | ---------- |
| FOREGROUND | 1 | The window stage is running in the foreground.|
| BACKGROUND | 4 | The window stage is running in the background.|
After change
| Name | Value | Description |
| ------ | ---- | ---------- |
| SHOWN | 1 | The window stage is running in the foreground.|
| HIDDEN | 4 | The window stage is running in the background.|
**Adaptation Guide**
When registering lifecycle listeners, change the foreground and background event types to **SHOWN** and **HIDDEN**, respectively.
```
import Ability from '@ohos.application.Ability';
class myAbility extends Ability {
onWindowStageCreate(windowStage) {
console.log('onWindowStageCreate');
try {
windowStage.on('windowStageEvent', (stageEventType) => {
switch (stageEventType) {
case window.WindowStageEventType.SHOWN:
console.log("windowStage shown");
break;
case window.WindowStageEventType.ACTIVE:
console.log("windowStage active");
break;
case window.WindowStageEventType.INACTIVE:
console.log("windowStage inActive");
break;
case window.WindowStageEventType.HIDDEN:
console.log("windowStage hidden");
break;
default:
break;
}
} )
} catch (exception) {
console.error('Failed to enable the listener for window stage event changes. Cause:' +
JSON.stringify(exception));
};
}
};
```
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