harmony 鸿蒙@ohos.application.StaticSubscriberExtensionContext (StaticSubscriberExtensionContext)
@ohos.application.StaticSubscriberExtensionContext (StaticSubscriberExtensionContext)
StaticSubscriberExtensionContext模块是StaticSubscriberExtensionAbility的上下文环境,继承自ExtensionContext。
StaticSubscriberExtensionContext模块提供StaticSubscriberExtensionAbility具有的接口和能力。
说明:
本模块首批接口从API version 10开始支持。后续版本的新增接口,采用上角标单独标记接口的起始版本。 本模块接口仅可在Stage模型下使用。
导入模块
import StaticSubscriberExtensionContext from '@ohos.application.StaticSubscriberExtensionContext';
使用说明
在使用StaticSubscriberExtensionContext的功能前,需要通过StaticSubscriberExtensionAbility获取。
import StaticSubscriberExtensionAbility from '@ohos.application.StaticSubscriberExtensionAbility';
import StaticSubscriberExtensionContext from '@ohos.application.StaticSubscriberExtensionContext';
StaticSubscriberExtensionContext.startAbility
startAbility(want: Want, callback: AsyncCallback<void>): void;
拉起一个静态订阅所属的同应用的Ability。使用callback异步回调。
使用规则:
- 调用方应用位于后台时,使用该接口启动Ability需申请ohos.permission.START_ABILITIES_FROM_BACKGROUND
权限
- 跨应用场景下,目标Ability的visible属性若配置为false,调用方应用需申请ohos.permission.START_INVISIBLE_ABILITY
权限
需要权限:ohos.permission.START_ABILITIES_FROM_BACKGROUND
系统能力:SystemCapability.Ability.AbilityRuntime.Core
系统API:该接口为系统接口,三方应用不支持调用。
参数:
参数名 | 类型 | 必填 | 说明 |
---|---|---|---|
want | Want | 是 | 启动Ability的want信息。 |
callback | AsyncCallback<void> | 是 | callback形式返回启动结果。 |
错误码:
以下错误码详细介绍请参考errcode-ability。
错误码ID | 错误信息 |
---|---|
16000001 | The specified ability does not exist. |
16000002 | Incorrect ability type. |
16000004 | Can not start invisible component. |
16000005 | The specified process does not have the permission. |
16000006 | Cross-user operations are not allowed. |
16000008 | The crowdtesting application expires. |
16000009 | An ability cannot be started or stopped in Wukong mode. |
16000011 | The context does not exist. |
16000050 | Internal error. |
16000053 | The ability is not on the top of the UI. |
16000055 | Installation-free timed out. |
16200001 | The caller has been released. |
16300003 | The target application is not self application. |
示例:
import CommonEventManager from '@ohos.commonEventManager';
import Want from '@ohos.app.ability.Want';
import { BusinessError } from '@ohos.base';
let want: Want = {
bundleName: "com.example.myapp",
abilityName: "MyAbility"
};
class MyStaticSubscriberExtensionAbility extends StaticSubscriberExtensionAbility {
onReceiveEvent(event: CommonEventManager.CommonEventData) {
console.log(`onReceiveEvent, event: ${JSON.stringify(event)}`);
try {
this.context.startAbility(want, (error: BusinessError) => {
if (error) {
// 处理业务逻辑错误
console.log('startAbility failed, error.code: ' + JSON.stringify(error.code) +
' error.message: ' + JSON.stringify(error.message));
return;
}
// 执行正常业务
console.log('startAbility succeed');
});
} catch (paramError) {
// 处理入参错误异常
let code = (paramError as BusinessError).code;
let message = (paramError as BusinessError).message;
console.log('startAbility failed, error.code: ' + JSON.stringify(code) +
' error.message: ' + JSON.stringify(message));
}
}
}
StaticSubscriberExtensionContext.startAbility
startAbility(want: Want): Promise<void>;
拉起一个静态订阅所属的同应用的Ability。使用Promise异步回调。
使用规则:
- 调用方应用位于后台时,使用该接口启动Ability需申请ohos.permission.START_ABILITIES_FROM_BACKGROUND
权限
- 跨应用场景下,目标Ability的visible属性若配置为false,调用方应用需申请ohos.permission.START_INVISIBLE_ABILITY
权限
需要权限:ohos.permission.START_ABILITIES_FROM_BACKGROUND
系统能力:SystemCapability.Ability.AbilityRuntime.Core
系统API:该接口为系统接口,三方应用不支持调用。
参数:
参数名 | 类型 | 必填 | 说明 |
---|---|---|---|
want | Want | 是 | 启动Ability的want信息。 |
返回值:
类型 | 说明 |
---|---|
Promise<void> | Promise形式返回启动结果。 |
错误码:
以下错误码详细介绍请参考errcode-ability。
错误码ID | 错误信息 |
---|---|
16000001 | The specified ability does not exist. |
16000002 | Incorrect ability type. |
16000004 | Can not start invisible component. |
16000005 | The specified process does not have the permission. |
16000006 | Cross-user operations are not allowed. |
16000008 | The crowdtesting application expires. |
16000009 | An ability cannot be started or stopped in Wukong mode. |
16000011 | The context does not exist. |
16000050 | Internal error. |
16000053 | The ability is not on the top of the UI. |
16000055 | Installation-free timed out. |
16200001 | The caller has been released. |
16300003 | The target application is not self application. |
示例:
import CommonEventManager from '@ohos.commonEventManager';
import Want from '@ohos.app.ability.Want';
import { BusinessError } from '@ohos.base';
let want: Want = {
bundleName: "com.example.myapp",
abilityName: "MyAbility"
};
class MyStaticSubscriberExtensionAbility extends StaticSubscriberExtensionAbility {
onReceiveEvent(event: CommonEventManager.CommonEventData) {
console.log(`onReceiveEvent, event: ${JSON.stringify(event)}`);
try {
this.context.startAbility(want)
.then(() => {
// 执行正常业务
console.log('startAbility succeed');
})
.catch((error: BusinessError) => {
// 处理业务逻辑错误
console.log('startAbility failed, error.code: ' + JSON.stringify(error.code) +
' error.message: ' + JSON.stringify(error.message));
});
} catch (paramError) {
// 处理入参错误异常
let code = (paramError as BusinessError).code;
let message = (paramError as BusinessError).message;
console.log('startAbility failed, error.code: ' + JSON.stringify(code) +
' error.message: ' + JSON.stringify(message));
}
}
}
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