@ohos.app.ability.missionManager (missionManager)
missionManager模块提供系统任务管理能力,包括对系统任务执行锁定、解锁、清理、切换到前台等操作。
说明:
本模块首批接口从API version 9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。
导入模块
import missionManager from '@ohos.app.ability.missionManager';
权限列表
ohos.permission.MANAGE_MISSIONS
missionManager.on
on(type:'mission', listener: MissionListener): number
注册系统任务状态监听器。
需要权限:ohos.permission.MANAGE_MISSIONS
系统能力:SystemCapability.Ability.AbilityRuntime.Mission
系统API: 此接口为系统接口,三方应用不支持调用。
参数:
参数名 | 类型 | 必填 | 说明 |
---|---|---|---|
type | string | 是 | 监听的任务名称。 |
listener | MissionListener | 是 | 系统任务监听器。 |
返回值:
类型 | 说明 |
---|---|
number | 监听器的index值,由系统创建,在注册系统任务状态监听时分配,和监听器一一对应 。 |
示例:
import missionManager from '@ohos.app.ability.missionManager';
import UIAbility from '@ohos.app.ability.UIAbility';
import AbilityConstant from '@ohos.app.ability.AbilityConstant';
import common from '@ohos.app.ability.common';
import Want from '@ohos.app.ability.Want';
import { BusinessError } from '@ohos.base';
import window from '@ohos.window';
import image from '@ohos.multimedia.image';
let listener: missionManager.MissionListener = {
onMissionCreated: (mission: number) => {console.log('--------onMissionCreated-------');},
onMissionDestroyed: (mission: number) => {console.log('--------onMissionDestroyed-------');},
onMissionSnapshotChanged: (mission: number) => {console.log('--------onMissionSnapshotChanged-------');},
onMissionMovedToFront: (mission: number) => {console.log('--------onMissionMovedToFront-------');},
onMissionIconUpdated: (mission: number, icon: image.PixelMap) => {console.log('--------onMissionIconUpdated-------');},
onMissionClosed: (mission: number) => {console.log('--------onMissionClosed-------');},
onMissionLabelUpdated: (mission: number) => {console.log('--------onMissionLabelUpdated-------');}
};
let listenerId = -1;
let abilityWant: Want;
let context: common.UIAbilityContext;
export default class EntryAbility extends UIAbility {
onCreate(want: Want, launchParam: AbilityConstant.LaunchParam) {
console.log('[Demo] EntryAbility onCreate');
abilityWant = want;
context = this.context;
}
onDestroy() {
try {
if (listenerId !== -1) {
missionManager.off('mission', listenerId).catch((err: BusinessError) => {
console.log(JSON.stringify(err));
});
}
} catch (paramError) {
let code = (paramError as BusinessError).code;
let message = (paramError as BusinessError).message;
console.error(`error: ${code}, ${message} `);
}
console.log('[Demo] EntryAbility onDestroy');
}
onWindowStageCreate(windowStage: window.WindowStage) {
// Main window is created, set main page for this ability
console.log('[Demo] EntryAbility onWindowStageCreate');
try {
listenerId = missionManager.on('mission', listener);
} catch (paramError) {
let code = (paramError as BusinessError).code;
let message = (paramError as BusinessError).message;
console.error(`error: ${code}, ${message} `);
}
windowStage.loadContent('pages/index', (err, data) => {
if (err.code) {
console.error(`Failed to load the content. Cause: ${JSON.stringify(err)}`);
return;
}
console.info(`Succeeded in loading the content. Data: ${JSON.stringify(data)}`);
});
}
};
missionManager.off
off(type: 'mission', listenerId: number, callback: AsyncCallback<void>): void
解注册任务状态监听器。
需要权限:ohos.permission.MANAGE_MISSIONS
系统能力:SystemCapability.Ability.AbilityRuntime.Mission
系统API: 此接口为系统接口,三方应用不支持调用。
参数:
参数名 | 类型 | 必填 | 说明 |
---|---|---|---|
type | string | 是 | 取消监听的任务名称。 |
listenerId | number | 是 | 系统任务状态监器法的index值,和监听器一一对应,由on方法返回。 |
callback | AsyncCallback<void> | 是 | 执行结果回调函数。 |
错误码:
错误码ID | 错误信息 |
---|---|
16300002 | Input error. The specified mission listener does not exist. |
以上错误码详细介绍请参考元能力子系统错误码。
示例:
import missionManager from '@ohos.app.ability.missionManager';
import UIAbility from '@ohos.app.ability.UIAbility';
import AbilityConstant from '@ohos.app.ability.AbilityConstant';
import common from '@ohos.app.ability.common';
import Want from '@ohos.app.ability.Want';
import { BusinessError } from '@ohos.base';
import window from '@ohos.window';
import image from '@ohos.multimedia.image';
let listener: missionManager.MissionListener = {
onMissionCreated: (mission: number) => {console.log('--------onMissionCreated-------');},
onMissionDestroyed: (mission: number) => {console.log('--------onMissionDestroyed-------');},
onMissionSnapshotChanged: (mission: number) => {console.log('--------onMissionSnapshotChanged-------');},
onMissionMovedToFront: (mission: number) => {console.log('--------onMissionMovedToFront-------');},
onMissionIconUpdated: (mission: number, icon: image.PixelMap) => {console.log('--------onMissionIconUpdated-------');},
onMissionClosed: (mission: number) => {console.log('--------onMissionClosed-------');},
onMissionLabelUpdated: (mission: number) => {console.log('--------onMissionLabelUpdated-------');}
};
let listenerId = -1;
let abilityWant: Want;
let context: common.UIAbilityContext;
export default class EntryAbility extends UIAbility {
onCreate(want: Want, launchParam: AbilityConstant.LaunchParam) {
console.log('[Demo] EntryAbility onCreate');
abilityWant = want;
context = this.context;
}
onDestroy() {
try {
if (listenerId !== -1) {
missionManager.off('mission', listenerId, (err: BusinessError) => {
console.log(`${err.code}`);
});
}
} catch (paramError) {
let code = (paramError as BusinessError).code;
let message = (paramError as BusinessError).message;
console.error(`error: ${code}, ${message} `);
}
console.log('[Demo] EntryAbility onDestroy');
}
onWindowStageCreate(windowStage: window.WindowStage) {
// Main window is created, set main page for this ability
console.log('[Demo] EntryAbility onWindowStageCreate');
try {
listenerId = missionManager.on('mission', listener);
} catch (paramError) {
let code = (paramError as BusinessError).code;
let message = (paramError as BusinessError).message;
console.error(`error: ${code}, ${message} `);
}
windowStage.loadContent('pages/index', (err: BusinessError, data) => {
if (err.code) {
console.error(`Failed to load the content. Cause: ${JSON.stringify(err)}`);
return;
}
console.info(`Succeeded in loading the content. Data: ${JSON.stringify(data)}`);
});
}
};
missionManager.off
off(type: 'mission', listenerId: number): Promise<void>
解注册任务状态监听,以promise方式返回执行结果。
需要权限:ohos.permission.MANAGE_MISSIONS
系统能力:SystemCapability.Ability.AbilityRuntime.Mission
系统API: 此接口为系统接口,三方应用不支持调用。
参数:
参数名 | 类型 | 必填 | 说明 |
---|---|---|---|
type | string | 是 | 取消监听的任务名称。 |
listenerId | number | 是 | 系统任务状态监听器的index值,和监听器一一对应,由on方法返回。 |
返回值:
类型 | 说明 |
---|---|
Promise<void> | promise方式返回执行结果。 |
错误码:
错误码ID | 错误信息 |
---|---|
16300002 | Input error. The specified mission listener does not exist. |
以上错误码详细介绍请参考元能力子系统错误码。
示例:
import missionManager from '@ohos.app.ability.missionManager';
import UIAbility from '@ohos.app.ability.UIAbility';
import AbilityConstant from '@ohos.app.ability.AbilityConstant';
import common from '@ohos.app.ability.common';
import Want from '@ohos.app.ability.Want';
import { BusinessError } from '@ohos.base';
import window from '@ohos.window';
import image from '@ohos.multimedia.image';
let listener: missionManager.MissionListener = {
onMissionCreated: (mission: number) => {console.log('--------onMissionCreated-------');},
onMissionDestroyed: (mission: number) => {console.log('--------onMissionDestroyed-------');},
onMissionSnapshotChanged: (mission: number) => {console.log('--------onMissionSnapshotChanged-------');},
onMissionMovedToFront: (mission: number) => {console.log('--------onMissionMovedToFront-------');},
onMissionIconUpdated: (mission: number, icon: image.PixelMap) => {console.log('--------onMissionIconUpdated-------');},
onMissionClosed: (mission: number) => {console.log('--------onMissionClosed-------');},
onMissionLabelUpdated: (mission: number) => {console.log('--------onMissionLabelUpdated-------');}
};
let listenerId = -1;
let abilityWant: Want;
let context: common.UIAbilityContext;
export default class EntryAbility extends UIAbility {
onCreate(want: Want, launchParam: AbilityConstant.LaunchParam) {
console.log('[Demo] EntryAbility onCreate');
abilityWant = want;
context = this.context;
}
onDestroy() {
try {
if (listenerId !== -1) {
missionManager.off('mission', listenerId).catch((err: BusinessError) => {
console.log(`${err.code}`);
});
}
} catch (paramError) {
let code = (paramError as BusinessError).code;
let message = (paramError as BusinessError).message;
console.error(`error: ${code}, ${message} `);
}
console.log('[Demo] EntryAbility onDestroy');
}
onWindowStageCreate(windowStage: window.WindowStage) {
// Main window is created, set main page for this ability
console.log('[Demo] EntryAbility onWindowStageCreate');
try {
listenerId = missionManager.on('mission', listener);
} catch (paramError) {
let code = (paramError as BusinessError).code;
let message = (paramError as BusinessError).message;
console.error(`error: ${code}, ${message} `);
}
windowStage.loadContent('pages/index', (err: BusinessError, data) => {
if (err.code) {
console.error(`Failed to load the content. Cause: ${JSON.stringify(err)}`);
return;
}
console.info(`Succeeded in loading the content. Data: ${JSON.stringify(data)}`);
});
}
};
missionManager.getMissionInfo
getMissionInfo(deviceId: string, missionId: number, callback: AsyncCallback<MissionInfo>): void
获取任务信息,以异步回调的方式返回任务信息。
需要权限:ohos.permission.MANAGE_MISSIONS
系统能力:SystemCapability.Ability.AbilityRuntime.Mission
系统API: 此接口为系统接口,三方应用不支持调用。
参数:
参数名 | 类型 | 必填 | 说明 |
---|---|---|---|
deviceId | string | 是 | 设备ID,本机默认为空字符串。 |
missionId | number | 是 | 任务ID。 |
callback | AsyncCallback<MissionInfo> | 是 | 执行结果回调函数,返回任务信息。 |
示例:
import missionManager from '@ohos.app.ability.missionManager';
import { BusinessError } from '@ohos.base';
let testMissionId = 1;
missionManager.getMissionInfos('',10)
.then((allMissions: Array<missionManager.MissionInfo>) => {
try {
if (allMissions && allMissions.length > 0) {
testMissionId = allMissions[0].missionId;
}
missionManager.getMissionInfo('', testMissionId, (error: BusinessError, mission: missionManager.MissionInfo) => {
if (error) {
console.error(`getMissionInfo failed, error.code: ${error.code}, error.message: ${error.message}`);
} else {
console.log(`mission.missionId = ${mission.missionId}`);
console.log(`mission.runningState = ${mission.runningState}`);
console.log(`mission.lockedState = ${mission.lockedState}`);
console.log(`mission.timestamp = ${mission.timestamp}`);
console.log(`mission.label = ${mission.label}`);
console.log(`mission.iconPath = ${mission.iconPath}`);
}
});
} catch (paramError) {
let code = (paramError as BusinessError).code;
let message = (paramError as BusinessError).message;
console.error(`error: ${code}, ${message} `);
}
})
.catch((err: BusinessError) => {console.log(`${err.code}`);});
missionManager.getMissionInfo
getMissionInfo(deviceId: string, missionId: number): Promise<MissionInfo>
获取任务信息,以promise方式返回任务信息。
需要权限:ohos.permission.MANAGE_MISSIONS
系统能力:SystemCapability.Ability.AbilityRuntime.Mission
系统API: 此接口为系统接口,三方应用不支持调用。
参数:
参数名 | 类型 | 必填 | 说明 |
---|---|---|---|
deviceId | string | 是 | 设备ID,本机默认为空字符串。 |
missionId | number | 是 | 任务ID。 |
返回值:
类型 | 说明 |
---|---|
Promise<MissionInfo> | 任务信息。 |
示例:
import missionManager from '@ohos.app.ability.missionManager';
import { BusinessError } from '@ohos.base';
let testMissionId = 1;
try {
missionManager.getMissionInfo('', testMissionId).then((data: missionManager.MissionInfo) => {
console.info(`getMissionInfo successfully. Data: ${JSON.stringify(data)}`);
}).catch((error: BusinessError) => {
console.error(`getMissionInfo failed. Cause: ${error.message}`);
});
} catch (error) {
let err: BusinessError = error as BusinessError;
console.error(`getMissionInfo failed. Cause: ${err.message}`);
}
missionManager.getMissionInfos
getMissionInfos(deviceId: string, numMax: number, callback: AsyncCallback<Array<MissionInfo>>): void
获取所有任务信息,以回调函数的方式返回任务信息数组。
需要权限:ohos.permission.MANAGE_MISSIONS
系统能力:SystemCapability.Ability.AbilityRuntime.Mission
系统API: 此接口为系统接口,三方应用不支持调用。
参数:
参数名 | 类型 | 必填 | 说明 |
---|---|---|---|
deviceId | string | 是 | 设备ID,本机默认为空字符串。 |
numMax | number | 是 | 任务信息数量上限。 |
callback | AsyncCallback<Array<MissionInfo>> | 是 | 执行结果回调函数,返回任务信息数组。 |
示例:
import missionManager from '@ohos.app.ability.missionManager';
import { BusinessError } from '@ohos.base';
try {
missionManager.getMissionInfos('', 10, (error: BusinessError, missions: Array<missionManager.MissionInfo>) => {
if (error) {
console.error(`getMissionInfos failed, error.code: ${error.code}, error.message: ${error.message}`);
} else {
console.log(`size = ${missions.length}`);
console.log(`missions = ${JSON.stringify(missions)}`);
}
});
} catch (paramError) {
let code = (paramError as BusinessError).code;
let message = (paramError as BusinessError).message;
console.error(`error: ${code}, ${message} `);
}
missionManager.getMissionInfos
getMissionInfos(deviceId: string, numMax: number): Promise<Array<MissionInfo>>
获取所有任务信息,以promise的方式返回任务信息数组。
需要权限:ohos.permission.MANAGE_MISSIONS
系统能力:SystemCapability.Ability.AbilityRuntime.Mission
系统API: 此接口为系统接口,三方应用不支持调用。
参数:
参数名 | 类型 | 必填 | 说明 |
---|---|---|---|
deviceId | string | 是 | 设备ID,本机默认为空字符串。 |
numMax | number | 是 | 任务信息数量上限。 |
返回值:
类型 | 说明 |
---|---|
Promise<Array<MissionInfo>> | 任务信息数组。 |
示例:
import missionManager from '@ohos.app.ability.missionManager';
import { BusinessError } from '@ohos.base';
try {
missionManager.getMissionInfos('', 10).then((data: Array<missionManager.MissionInfo>) => {
console.info(`getMissionInfos successfully. Data: ${JSON.stringify(data)}`);
}).catch((error: BusinessError) => {
console.error(`getMissionInfos failed. Cause: ${error.message}`);
});
} catch (error) {
let err: BusinessError = error as BusinessError;
console.error(`getMissionInfos failed. Cause: ${err.message}`);
}
missionManager.getMissionSnapShot
getMissionSnapShot(deviceId: string, missionId: number, callback: AsyncCallback<MissionSnapshot>): void
获取任务快照,以回调函数的方式返回快照内容。
需要权限:ohos.permission.MANAGE_MISSIONS
系统能力:SystemCapability.Ability.AbilityRuntime.Mission
系统API: 此接口为系统接口,三方应用不支持调用。
参数:
参数名 | 类型 | 必填 | 说明 |
---|---|---|---|
deviceId | string | 是 | 设备ID,本机默认为空字符串。 |
missionId | number | 是 | 任务ID。 |
callback | AsyncCallback<MissionSnapshot> | 是 | 执行结果回调函数,返回任务快照信息。 |
示例:
import missionManager from '@ohos.app.ability.missionManager';
import { BusinessError } from '@ohos.base';
let testMissionId = 2;
try {
missionManager.getMissionSnapShot('', testMissionId, (err: BusinessError, data: missionManager.MissionSnapshot ) => {
if (err) {
console.error(`getMissionSnapShot failed: ${err.message}`);
} else {
console.info(`getMissionSnapShot successfully: ${JSON.stringify(data)}`);
}
});
} catch (error) {
let err: BusinessError = error as BusinessError;
console.error(`getMissionSnapShot failed: ${err.message}`);
}
missionManager.getMissionSnapShot
getMissionSnapShot(deviceId: string, missionId: number): Promise<MissionSnapshot>
获取任务快照,以promise的方式返回快照内容。
需要权限:ohos.permission.MANAGE_MISSIONS
系统能力:SystemCapability.Ability.AbilityRuntime.Mission
系统API: 此接口为系统接口,三方应用不支持调用。
参数:
参数名 | 类型 | 必填 | 说明 |
---|---|---|---|
deviceId | string | 是 | 设备ID,本机默认为空字符串。 |
missionId | number | 是 | 任务ID。 |
返回值:
类型 | 说明 |
---|---|
Promise<MissionSnapshot> | 任务快照信息。 |
示例:
import missionManager from '@ohos.app.ability.missionManager';
import { BusinessError } from '@ohos.base';
let testMissionId = 2;
try {
missionManager.getMissionSnapShot('', testMissionId).then((data: missionManager.MissionSnapshot) => {
console.info(`getMissionSnapShot successfully. Data: ${JSON.stringify(data)}`);
}).catch((error: BusinessError) => {
console.error(`getMissionSnapShot failed. Cause: ${error.message}`);
});
} catch (error) {
let err: BusinessError = error as BusinessError;
console.error(`getMissionSnapShot failed. Cause: ${err.message}`);
}
missionManager.getLowResolutionMissionSnapShot
getLowResolutionMissionSnapShot(deviceId: string, missionId: number, callback: AsyncCallback<MissionSnapshot>): void
获取任务低分辨率快照。
需要权限:ohos.permission.MANAGE_MISSIONS
系统能力:SystemCapability.Ability.AbilityRuntime.Mission
系统API: 此接口为系统接口,三方应用不支持调用。
参数:
参数名 | 类型 | 必填 | 说明 |
---|---|---|---|
deviceId | string | 是 | 设备ID,本机默认为空字符串。 |
missionId | number | 是 | 任务ID。 |
callback | AsyncCallback<MissionSnapshot> | 是 | 执行结果回调函数,返回任务快照信息。 |
示例:
import missionManager from '@ohos.app.ability.missionManager';
import { BusinessError } from '@ohos.base';
let testMissionId = 2;
try {
missionManager.getLowResolutionMissionSnapShot('', testMissionId, (err: BusinessError, data: missionManager.MissionSnapshot) => {
if (err) {
console.error(`getLowResolutionMissionSnapShot failed: ${err.message}`);
} else {
console.info(`getLowResolutionMissionSnapShot successfully: ${JSON.stringify(data)}`);
}
});
} catch (error) {
let err: BusinessError = error as BusinessError;
console.error(`getLowResolutionMissionSnapShot failed: ${err.message}`);
}
missionManager.getLowResolutionMissionSnapShot
getLowResolutionMissionSnapShot(deviceId: string, missionId: number): Promise<MissionSnapshot>
获取任务低分辨率快照。
需要权限:ohos.permission.MANAGE_MISSIONS
系统能力:SystemCapability.Ability.AbilityRuntime.Mission
系统API: 此接口为系统接口,三方应用不支持调用。
参数:
参数名 | 类型 | 必填 | 说明 |
---|---|---|---|
deviceId | string | 是 | 设备ID,本机默认为空字符串。 |
missionId | number | 是 | 任务ID。 |
返回值:
类型 | 说明 |
---|---|
Promise<MissionSnapshot> | 任务快照信息。 |
示例:
import missionManager from '@ohos.app.ability.missionManager';
import { BusinessError } from '@ohos.base';
let testMissionId = 2;
try {
missionManager.getLowResolutionMissionSnapShot('', testMissionId).then((data: missionManager.MissionSnapshot) => {
console.info(`getLowResolutionMissionSnapShot successfully. Data: ${JSON.stringify(data)}`);
}).catch((error: BusinessError) => {
console.error(`getLowResolutionMissionSnapShot failed. Cause: ${error.message}`);
});
} catch (error) {
let err: BusinessError = error as BusinessError;
console.error(`getLowResolutionMissionSnapShot failed. Cause: ${err.message}`);
}
missionManager.lockMission
lockMission(missionId: number, callback: AsyncCallback<void>): void
锁定指定任务id的任务,以回调函数的方式返回。
需要权限:ohos.permission.MANAGE_MISSIONS
系统能力:SystemCapability.Ability.AbilityRuntime.Mission
系统API: 此接口为系统接口,三方应用不支持调用。
参数:
参数名 | 类型 | 必填 | 说明 |
---|---|---|---|
missionId | number | 是 | 任务ID。 |
callback | AsyncCallback<void> | 是 | 执行结果回调函数。 |
错误码:
错误码ID | 错误信息 |
---|---|
16300001 | Mission not found. |
以上错误码详细介绍请参考元能力子系统错误码。
示例:
import missionManager from '@ohos.app.ability.missionManager';
import { BusinessError } from '@ohos.base';
let testMissionId = 2;
try {
missionManager.lockMission(testMissionId, (err: BusinessError, data: void) => {
if (err) {
console.error(`lockMission failed: ${err.message}`);
} else {
console.info(`lockMission successfully: ${JSON.stringify(data)}`);
}
});
} catch (error) {
let err: BusinessError = error as BusinessError;
console.error(`lockMission failed: ${err.message}`);
}
missionManager.lockMission
lockMission(missionId: number): Promise<void>
锁定指定任务id的任务,以promise方式返回。
需要权限:ohos.permission.MANAGE_MISSIONS
系统能力:SystemCapability.Ability.AbilityRuntime.Mission
系统API: 此接口为系统接口,三方应用不支持调用。
参数:
参数名 | 类型 | 必填 | 说明 |
---|---|---|---|
missionId | number | 是 | 任务ID。 |
返回值:
类型 | 说明 |
---|---|
Promise<void> | promise方式返回执行结果。 |
错误码:
错误码ID | 错误信息 |
---|---|
16300001 | Mission not found. |
以上错误码详细介绍请参考元能力子系统错误码。
示例:
import missionManager from '@ohos.app.ability.missionManager';
import { BusinessError } from '@ohos.base';
let testMissionId = 2;
try {
missionManager.lockMission(testMissionId).then((data: void) => {
console.info(`lockMission successfully. Data: ${JSON.stringify(data)}`);
}).catch((error: BusinessError) => {
console.error(`lockMission failed. Cause: ${error.message}`);
});
} catch (error) {
let err: BusinessError = error as BusinessError;
console.error(`lockMission failed. Cause: ${err.message}`);
}
missionManager.unlockMission
unlockMission(missionId: number, callback: AsyncCallback<void>): void
解锁指定任务id的任务,以回调函数的方式返回。
需要权限:ohos.permission.MANAGE_MISSIONS
系统能力:SystemCapability.Ability.AbilityRuntime.Mission
系统API: 此接口为系统接口,三方应用不支持调用。
参数:
参数名 | 类型 | 必填 | 说明 |
---|---|---|---|
missionId | number | 是 | 任务ID。 |
callback | AsyncCallback<void> | 是 | 执行结果回调函数。 |
错误码:
错误码ID | 错误信息 |
---|---|
16300001 | Mission not found. |
以上错误码详细介绍请参考元能力子系统错误码。
示例:
import missionManager from '@ohos.app.ability.missionManager';
import { BusinessError } from '@ohos.base';
let testMissionId = 2;
try {
missionManager.unlockMission(testMissionId, (err: BusinessError, data: void) => {
if (err) {
console.error(`unlockMission failed: ${err.message}`);
} else {
console.info(`unlockMission successfully: ${JSON.stringify(data)}`);
}
});
} catch (error) {
let err: BusinessError = error as BusinessError;
console.error(`unlockMission failed: ${err.message}`);
}
missionManager.unlockMission
unlockMission(missionId: number): Promise<void>
解锁指定任务id的任务,以promise的方式返回。
需要权限:ohos.permission.MANAGE_MISSIONS
系统能力:SystemCapability.Ability.AbilityRuntime.Mission
系统API: 此接口为系统接口,三方应用不支持调用。
参数:
参数名 | 类型 | 必填 | 说明 |
---|---|---|---|
missionId | number | 是 | 任务ID。 |
返回值:
类型 | 说明 |
---|---|
Promise<void> | promise方式返回执行结果。 |
错误码:
错误码ID | 错误信息 |
---|---|
16300001 | Mission not found. |
以上错误码详细介绍请参考元能力子系统错误码。
示例:
import missionManager from '@ohos.app.ability.missionManager';
import { BusinessError } from '@ohos.base';
let testMissionId = 2;
try {
missionManager.unlockMission(testMissionId).then((data: void) => {
console.info(`unlockMission successfully. Data: ${JSON.stringify(data)}`);
}).catch((error: BusinessError) => {
console.error(`unlockMission failed. Cause: ${error.message}`);
});
} catch (error) {
let err: BusinessError = error as BusinessError;
console.error(`unlockMission failed. Cause: ${err.message}`);
}
missionManager.clearMission
clearMission(missionId: number, callback: AsyncCallback<void>): void
清理指定任务id的任务,无论该任务是否被锁定,以回调函数的方式返回。
需要权限:ohos.permission.MANAGE_MISSIONS
系统能力:SystemCapability.Ability.AbilityRuntime.Mission
系统API: 此接口为系统接口,三方应用不支持调用。
参数:
参数名 | 类型 | 必填 | 说明 |
---|---|---|---|
missionId | number | 是 | 任务ID。 |
callback | AsyncCallback<void> | 是 | 执行结果回调函数。 |
示例:
import missionManager from '@ohos.app.ability.missionManager';
import { BusinessError } from '@ohos.base';
let testMissionId = 2;
try {
missionManager.clearMission(testMissionId, (err: BusinessError, data: void) => {
if (err) {
console.error(`clearMission failed: ${err.message}`);
} else {
console.info(`clearMission successfully: ${JSON.stringify(data)}`);
}
});
} catch (error) {
let err: BusinessError = error as BusinessError;
console.error(`clearMission failed: ${err.message}`);
}
missionManager.clearMission
clearMission(missionId: number): Promise<void>
清理指定任务id的任务,无论该任务是否被锁定,以promise的方式返回。
需要权限:ohos.permission.MANAGE_MISSIONS
系统能力:SystemCapability.Ability.AbilityRuntime.Mission
系统API: 此接口为系统接口,三方应用不支持调用。
参数:
参数名 | 类型 | 必填 | 说明 |
---|---|---|---|
missionId | number | 是 | 任务ID。 |
返回值:
类型 | 说明 |
---|---|
Promise<void> | promise方式返回执行结果。 |
示例:
import missionManager from '@ohos.app.ability.missionManager';
import { BusinessError } from '@ohos.base';
let testMissionId = 2;
try {
missionManager.clearMission(testMissionId).then((data: void) => {
console.info(`clearMission successfully. Data: ${JSON.stringify(data)}`);
}).catch((error: BusinessError) => {
console.error(`clearMission failed. Cause: ${error.message}`);
});
} catch (error) {
let err: BusinessError = error as BusinessError;
console.error(`clearMission failed. Cause: ${err.message}`);
}
missionManager.clearAllMissions
clearAllMissions(callback: AsyncCallback<void>): void
清理所有未锁定的任务,以回调函数的方式返回。
需要权限:ohos.permission.MANAGE_MISSIONS
系统能力:SystemCapability.Ability.AbilityRuntime.Mission
系统API: 此接口为系统接口,三方应用不支持调用。
参数:
参数名 | 类型 | 必填 | 说明 |
---|---|---|---|
callback | AsyncCallback<void> | 是 | 执行结果回调函数。 |
示例:
import missionManager from '@ohos.app.ability.missionManager';
import { BusinessError } from '@ohos.base';
try {
missionManager.clearAllMissions((err: BusinessError) => {
if (err) {
console.error(`clearAllMissions failed: ${err.message}`);
} else {
console.info('clearAllMissions successfully.');
}
});
} catch (error) {
let err: BusinessError = error as BusinessError;
console.error(`clearAllMissions failed: ${err.message}`);
}
missionManager.clearAllMissions
clearAllMissions(): Promise<void>
清理所有未锁定的任务,以promise的方式返回。
需要权限:ohos.permission.MANAGE_MISSIONS
系统能力:SystemCapability.Ability.AbilityRuntime.Mission
系统API: 此接口为系统接口,三方应用不支持调用。
返回值:
类型 | 说明 |
---|---|
Promise<void> | promise方式返回执行结果。 |
示例:
import missionManager from '@ohos.app.ability.missionManager';
import { BusinessError } from '@ohos.base';
try {
missionManager.clearAllMissions().then((data: void) => {
console.info(`clearAllMissions successfully. Data: ${JSON.stringify(data)}`);
}).catch((err: BusinessError) => {
console.error(`clearAllMissions failed: ${err.message}`);
});
} catch (error) {
let err: BusinessError = error as BusinessError;
console.error(`clearAllMissions failed: ${err.message}`);
}
missionManager.moveMissionToFront
moveMissionToFront(missionId: number, callback: AsyncCallback<void>): void
把指定任务id的任务切到前台,以回调函数的方式返回。
需要权限:ohos.permission.MANAGE_MISSIONS
系统能力:SystemCapability.Ability.AbilityRuntime.Mission
系统API: 此接口为系统接口,三方应用不支持调用。
参数:
参数名 | 类型 | 必填 | 说明 |
---|---|---|---|
missionId | number | 是 | 任务ID。 |
callback | AsyncCallback<void> | 是 | 执行结果回调函数。 |
错误码:
错误码ID | 错误信息 |
---|---|
16000009 | An ability cannot be started or stopped in Wukong mode. |
以上错误码详细介绍请参考元能力子系统错误码。
示例:
import missionManager from '@ohos.app.ability.missionManager';
import { BusinessError } from '@ohos.base';
let testMissionId = 2;
try {
missionManager.moveMissionToFront(testMissionId, (err: BusinessError, data: void) => {
if (err) {
console.error(`moveMissionToFront failed: ${err.message}`);
} else {
console.info(`moveMissionToFront successfully: ${JSON.stringify(data)}`);
}
});
} catch (error) {
let err: BusinessError = error as BusinessError;
console.error(`moveMissionToFront failed: ${err.message}`);
}
missionManager.moveMissionToFront
moveMissionToFront(missionId: number, options: StartOptions, callback: AsyncCallback<void>): void
把指定任务id的任务切到前台,同时指定任务切换到前台时的启动参数,例如窗口模式、设备ID等,以回调函数的方式返回。
需要权限:ohos.permission.MANAGE_MISSIONS
系统能力:SystemCapability.Ability.AbilityRuntime.Mission
系统API: 此接口为系统接口,三方应用不支持调用。
参数:
参数名 | 类型 | 必填 | 说明 |
---|---|---|---|
missionId | number | 是 | 任务ID。 |
options | StartOptions | 是 | 启动参数选项,用于指定任务切到前台时的窗口模式,设备ID等。 |
callback | AsyncCallback<void> | 是 | 执行结果回调函数。 |
错误码:
错误码ID | 错误信息 |
---|---|
16000009 | An ability cannot be started or stopped in Wukong mode. |
以上错误码详细介绍请参考元能力子系统错误码。
示例:
import missionManager from '@ohos.app.ability.missionManager';
import { BusinessError } from '@ohos.base';
let testMissionId = 2;
try {
missionManager.moveMissionToFront(testMissionId, {windowMode : 101}, (err: BusinessError, data: void) => {
if (err) {
console.error(`moveMissionToFront failed: ${err.message}`);
} else {
console.info(`moveMissionToFront successfully: ${JSON.stringify(data)}`);
}
});
} catch (error) {
let err: BusinessError = error as BusinessError;
console.error(`moveMissionToFront failed: ${err.message}`);
}
missionManager.moveMissionToFront
moveMissionToFront(missionId: number, options?: StartOptions): Promise<void>
把指定任务id的任务切到前台,同时指定任务切换到前台时的启动参数,例如窗口模式、设备ID等,以promise的方式返回。
需要权限:ohos.permission.MANAGE_MISSIONS
系统能力:SystemCapability.Ability.AbilityRuntime.Mission
系统API: 此接口为系统接口,三方应用不支持调用。
参数:
参数名 | 类型 | 必填 | 说明 |
---|---|---|---|
missionId | number | 是 | 任务ID。 |
options | StartOptions | 否 | 启动参数选项,用于指定任务切到前台时的窗口模式,设备ID等。默认为空,表示按照默认启动参数。 |
返回值:
类型 | 说明 |
---|---|
Promise<void> | promise方式返回执行结果。 |
错误码:
错误码ID | 错误信息 |
---|---|
16000009 | An ability cannot be started or stopped in Wukong mode. |
以上错误码详细介绍请参考元能力子系统错误码。
示例:
import missionManager from '@ohos.app.ability.missionManager';
import { BusinessError } from '@ohos.base';
let testMissionId = 2;
try {
missionManager.moveMissionToFront(testMissionId).then((data: void) => {
console.info(`moveMissionToFront successfully. Data: ${JSON.stringify(data)}`);
}).catch((error: BusinessError) => {
console.error(`moveMissionToFront failed. Cause: ${error.message}`);
});
} catch (error) {
let err: BusinessError = error as BusinessError;
console.error(`moveMissionToFront failed. Cause: ${err.message}`);
}
missionManager.moveMissionsToForeground10+
moveMissionsToForeground(missionIds: Array<number>, callback: AsyncCallback<void>): void
将指定任务批量切到前台,以回调函数的方式返回。
需要权限:ohos.permission.MANAGE_MISSIONS
系统能力:SystemCapability.Ability.AbilityRuntime.Mission
系统接口: 此接口为系统接口。
参数:
参数名 | 类型 | 必填 | 说明 |
---|---|---|---|
missionIds | Array<number> | 是 | 任务ID数组。 |
callback | AsyncCallback<void> | 是 | 执行结果回调函数。 |
错误码:
以下错误码的详细介绍请参见元能力子系统错误码。
错误码ID | 错误信息 |
---|---|
16000050 | Internal error. |
示例:
import abilityManager from '@ohos.app.ability.abilityManager';
import missionManager from '@ohos.app.ability.missionManager';
import { BusinessError } from '@ohos.base';
try {
missionManager.getMissionInfos("", 10, (error: BusinessError, missionInfos: Array<missionManager.MissionInfo>) => {
if (error.code) {
console.log("getMissionInfos failed, error.code:" + JSON.stringify(error.code));
return;
}
if (missionInfos.length < 1) {
return;
}
let toShows = new Array<number>();
for (let missionInfo of missionInfos) {
if (missionInfo.abilityState == abilityManager.AbilityState.BACKGROUND) {
toShows.push(missionInfo.missionId);
}
}
missionManager.moveMissionsToForeground(toShows, (err: BusinessError, data: void) => {
if (err) {
console.error(`moveMissionsToForeground failed: ${err.message}`);
} else {
console.info(`moveMissionsToForeground successfully: ${JSON.stringify(data)}`);
}
});
});
} catch (paramError) {
let code = (paramError as BusinessError).code;
let message = (paramError as BusinessError).message;
console.error(`error: ${code}, ${message} `);
}
missionManager.moveMissionsToForeground10+
moveMissionsToForeground(missionIds: Array<number>, topMission: number, callback: AsyncCallback<void>): void
将指定任务批量切换到前台,并将任务ID等于topMission的任务移动到最顶层,以回调函数的方式返回。
需要权限:ohos.permission.MANAGE_MISSIONS
系统能力:SystemCapability.Ability.AbilityRuntime.Mission
系统接口: 此接口为系统接口。
参数:
参数名 | 类型 | 必填 | 说明 |
---|---|---|---|
missionIds | Array<number> | 是 | 任务ID数组。 |
topMission | number | 是 | 待移动到最顶层的任务ID |
callback | AsyncCallback<void> | 是 | 执行结果回调函数。 |
错误码:
以下错误码的详细介绍请参见元能力子系统错误码。
错误码ID | 错误信息 |
---|---|
16000050 | Internal error. |
示例:
import abilityManager from '@ohos.app.ability.abilityManager';
import missionManager from '@ohos.app.ability.missionManager';
import { BusinessError } from '@ohos.base';
try {
missionManager.getMissionInfos("", 10, (error: BusinessError, missionInfos: Array<missionManager.MissionInfo>) => {
if (error.code) {
console.log("getMissionInfos failed, error.code:" + JSON.stringify(error.code));
return;
}
if (missionInfos.length < 1) {
return;
}
let toShows = new Array<number>();
for (let missionInfo of missionInfos) {
if (missionInfo.abilityState == abilityManager.AbilityState.BACKGROUND) {
toShows.push(missionInfo.missionId);
}
}
missionManager.moveMissionsToForeground(toShows, toShows[0], (err: BusinessError, data: void) => {
if (err) {
console.error(`moveMissionsToForeground failed: ${err.message}`);
} else {
console.info(`moveMissionsToForeground successfully: ${JSON.stringify(data)}`);
}
});
});
} catch (paramError) {
let code = (paramError as BusinessError).code;
let message = (paramError as BusinessError).message;
console.error(`error: ${code}, ${message} `);
}
missionManager.moveMissionsToForeground10+
moveMissionsToForeground(missionIds: Array<number>, topMission?: number): Promise<void>
将指定任务批量切到前台,并将任务ID等于topMission的任务移动到最顶层,以promise的方式返回。
需要权限:ohos.permission.MANAGE_MISSIONS
系统能力:SystemCapability.Ability.AbilityRuntime.Mission
系统接口: 此接口为系统接口。
参数:
参数名 | 类型 | 必填 | 说明 |
---|---|---|---|
missionIds | Array<number> | 是 | 任务ID数组。 |
topMission | number | 否 | 待移动到最顶层的任务ID。默认值为-1,表示将默认任务移动到最顶层。 |
返回值:
类型 | 说明 |
---|---|
Promise<void> | promise方式返回执行结果。 |
错误码:
以下错误码的详细介绍请参见元能力子系统错误码。
错误码ID | 错误信息 |
---|---|
16000050 | Internal error. |
示例:
import abilityManager from '@ohos.app.ability.abilityManager';
import missionManager from '@ohos.app.ability.missionManager';
import { BusinessError } from '@ohos.base';
try {
missionManager.getMissionInfos("", 10, (error: BusinessError, missionInfos: Array<missionManager.MissionInfo>) => {
if (error.code) {
console.log("getMissionInfos failed, error.code:" + JSON.stringify(error.code));
return;
}
if (missionInfos.length < 1) {
return;
}
let toShows = new Array<number>();
for (let missionInfo of missionInfos) {
if (missionInfo.abilityState == abilityManager.AbilityState.BACKGROUND) {
toShows.push(missionInfo.missionId);
}
}
missionManager.moveMissionsToForeground(toShows, toShows[0]).then(() => {
console.log("moveMissionsToForeground is called" );
});
});
} catch (paramError) {
let code = (paramError as BusinessError).code;
let message = (paramError as BusinessError).message;
console.error(`error: ${code}, ${message} `);
}
missionManager.moveMissionsToBackground10+
moveMissionsToBackground(missionIds: Array<number>, callback: AsyncCallback<Array<number>>): void
将指定任务批量切到后台,以回调函数的方式返回, 返回的结果任务ID按被隐藏时的任务层级排序。
需要权限:ohos.permission.MANAGE_MISSIONS
系统能力:SystemCapability.Ability.AbilityRuntime.Mission
系统接口: 此接口为系统接口。
参数:
参数名 | 类型 | 必填 | 说明 |
---|---|---|---|
missionIds | Array<number> | 是 | 任务ID数组。 |
callback | AsyncCallback<Array<number>> | 是 | 执行结果回调函数。 |
错误码:
以下错误码的详细介绍请参见元能力子系统错误码。
错误码ID | 错误信息 |
---|---|
16000050 | Internal error. |
示例:
import abilityManager from '@ohos.app.ability.abilityManager';
import missionManager from '@ohos.app.ability.missionManager';
import { BusinessError } from '@ohos.base';
try {
missionManager.getMissionInfos("", 10, (error: BusinessError, missionInfos: Array<missionManager.MissionInfo>) => {
if (error.code) {
console.log("getMissionInfos failed, error.code:" + JSON.stringify(error.code));
return;
}
let toHides = new Array<number>();
for (let missionInfo of missionInfos) {
if (missionInfo.abilityState == abilityManager.AbilityState.FOREGROUND) {
toHides.push(missionInfo.missionId);
}
}
missionManager.moveMissionsToBackground(toHides, (err: BusinessError, data: Array<number>) => {
if (err) {
console.error(`moveMissionsToBackground failed: ${err.message}`);
} else {
console.info(`moveMissionsToBackground successfully: ${JSON.stringify(data)}`);
}
});
});
} catch (paramError) {
let code = (paramError as BusinessError).code;
let message = (paramError as BusinessError).message;
console.error(`error: ${code}, ${message} `);
}
missionManager.moveMissionsToBackground10+
moveMissionsToBackground(missionIds : Array<number>): Promise<Array<number>>
将指定任务批量切到后台,以promise的方式返回, 返回的结果按被隐藏时的任务层级排序。
需要权限:ohos.permission.MANAGE_MISSIONS
系统能力:SystemCapability.Ability.AbilityRuntime.Mission
系统接口: 此接口为系统接口。
参数:
参数名 | 类型 | 必填 | 说明 |
---|---|---|---|
missionIds | Array<number> | 是 | 任务ID数组。 |
返回值:
类型 | 说明 |
---|---|
Promise<Array<number>> | promise方式返回执行结果。 |
错误码:
以下错误码的详细介绍请参见元能力子系统错误码。
错误码ID | 错误信息 |
---|---|
16000050 | Internal error. |
示例:
import abilityManager from '@ohos.app.ability.abilityManager';
import missionManager from '@ohos.app.ability.missionManager';
import { BusinessError } from '@ohos.base';
try {
missionManager.getMissionInfos("", 10, (error: BusinessError, missionInfos: Array<missionManager.MissionInfo>) => {
if (error.code) {
console.log("getMissionInfos failed, error.code:" + JSON.stringify(error.code));
return;
}
let toHides = new Array<number>();
for (let missionInfo of missionInfos) {
if (missionInfo.abilityState == abilityManager.AbilityState.FOREGROUND) {
toHides.push(missionInfo.missionId);
}
}
missionManager.moveMissionsToBackground(toHides).then((hideRes: Array<number>) => {
console.log("moveMissionsToBackground is called, res: "+ JSON.stringify(hideRes));
});
});
} catch (paramError) {
let code = (paramError as BusinessError).code;
let message = (paramError as BusinessError).message;
console.error(`error: ${code}, ${message} `);
}