From d5d017e1cb8e502e05b92d0d6adb6444781f0897 Mon Sep 17 00:00:00 2001 From: zyjhandsome Date: Fri, 23 Dec 2022 11:02:20 +0800 Subject: [PATCH] =?UTF-8?q?=E4=BC=98=E5=8C=96=E3=80=8AUIAbility=E7=BB=84?= =?UTF-8?q?=E4=BB=B6=E7=94=9F=E5=91=BD=E5=91=A8=E6=9C=9F=E3=80=8B=E7=AB=A0?= =?UTF-8?q?=E8=8A=82=E5=86=85=E5=AE=B9=EF=BC=8C=E8=A1=A5=E5=85=85=E8=8E=B7?= =?UTF-8?q?=E7=84=A6/=E5=A4=B1=E7=84=A6=E3=80=81=E5=8F=AF=E8=A7=81/?= =?UTF-8?q?=E4=B8=8D=E5=8F=AF=E8=A7=81=E4=BA=8B=E4=BB=B6=E7=9A=84=E8=A7=A6?= =?UTF-8?q?=E5=8F=91=E7=A4=BA=E4=BE=8B=E4=BB=A3=E7=A0=81=E3=80=82?= MIME-Version: 1.0 Content-Type: text/plain; charset=UTF-8 Content-Transfer-Encoding: 8bit start build Signed-off-by: zyjhandsome --- .../application-models/uiability-lifecycle.md | 17 ++++++++++++++++- 1 file changed, 16 insertions(+), 1 deletion(-) diff --git a/zh-cn/application-dev/application-models/uiability-lifecycle.md b/zh-cn/application-dev/application-models/uiability-lifecycle.md index 92c14fee24..38ed7c2a10 100644 --- a/zh-cn/application-dev/application-models/uiability-lifecycle.md +++ b/zh-cn/application-dev/application-models/uiability-lifecycle.md @@ -39,15 +39,26 @@ UIAbility实例创建完成之后，在进入Foreground之前，系统会创建 **图2** WindowStageCreate和WindowStageDestory状态 Ability-Life-Cycle-WindowStage - 在onWindowStageCreate()回调中通过loadContent()方法设置应用要加载的页面并根据需要订阅WindowStage的[事件](../reference/apis/js-apis-window.md#windowstageeventtype9)（获焦/失焦、可见/不可见）。 +在onWindowStageCreate()回调中通过[loadContent()](../reference/apis/js-apis-window.md#loadcontent9-2)方法设置应用要加载的页面，并根据需要调用[on('windowStageEvent')](../reference/apis/js-apis-window.md#onwindowstageevent9)方法订阅WindowStage的[事件](../reference/apis/js-apis-window.md#windowstageeventtype9)（获焦/失焦、可见/不可见）。 ```ts import UIAbility from '@ohos.app.ability.UIAbility'; import Window from '@ohos.window'; export default class EntryAbility extends UIAbility { + // ... + onWindowStageCreate(windowStage: Window.WindowStage) { // 设置WindowStage的事件订阅（获焦/失焦、可见/不可见） + try { + windowStage.on('windowStageEvent', (data) => { + console.info('Succeeded in enabling the listener for window stage event changes. Data: ' + + JSON.stringify(data)); + }); + } catch (exception) { + console.error('Failed to enable the listener for window stage event changes. Cause:' + + JSON.stringify(exception)); + }; // 设置UI界面加载 windowStage.loadContent('pages/Index', (err, data) => { @@ -94,6 +105,8 @@ onBackground()回调，在UIAbility的UI界面完全不可见之后，如UIAbili import UIAbility from '@ohos.app.ability.UIAbility'; export default class EntryAbility extends UIAbility { + // ... + onForeground() { // 申请系统需要的资源，或者重新申请在onBackground中释放的资源 } @@ -117,6 +130,8 @@ import UIAbility from '@ohos.app.ability.UIAbility'; import Window from '@ohos.window'; export default class EntryAbility extends UIAbility { + // ... + onDestroy() { // 系统资源的释放、数据的保存等 } -- GitLab