@ohos.app.ability.missionManager (missionManager)

The missionManager module provides APIs to lock, unlock, and clear missions, and switch a mission to the foreground.

NOTE

The initial APIs of this module are supported since API version 9. Newly added APIs will be marked with a superscript to indicate their earliest API version.

Modules to Import

import missionManager from '@ohos.app.ability.missionManager';

Required Permissions

ohos.permission.MANAGE_MISSIONS

missionManager.on

on(type:'mission', listener: MissionListener): number;

Registers a listener to observe the mission status.

Required permissions: ohos.permission.MANAGE_MISSIONS

System capability: SystemCapability.Ability.AbilityRuntime.Mission

System API: This is a system API and cannot be called by third-party applications.

Parameters

Name	Type	Mandatory	Description
listener	MissionListener	Yes	Mission status listener to register.

Return value

Type	Description
number	Index of the mission status listener, which is created by the system and allocated when the listener is registered.

Example

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';

let listener: missionManager.MissionListener = {
    onMissionCreated: (mission) => {console.log('--------onMissionCreated-------');},
    onMissionDestroyed: (mission) => {console.log('--------onMissionDestroyed-------');},
    onMissionSnapshotChanged: (mission) => {console.log('--------onMissionSnapshotChanged-------');},
    onMissionMovedToFront: (mission) => {console.log('--------onMissionMovedToFront-------');},
    onMissionIconUpdated: (mission, icon) => {console.log('--------onMissionIconUpdated-------');},
    onMissionClosed: (mission) => {console.log('--------onMissionClosed-------');},
    onMissionLabelUpdated: (mission) => {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);
                });
            }
        } 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) {
        // The main window is created. Set a 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;

Deregisters a mission status listener.

Required permissions: ohos.permission.MANAGE_MISSIONS

System capability: SystemCapability.Ability.AbilityRuntime.Mission

System API: This is a system API and cannot be called by third-party applications.

Parameters

Name	Type	Mandatory	Description
listenerId	number	Yes	Index of the mission status listener to deregister. It is returned by on().
callback	AsyncCallback<void>	Yes	Callback used to return the result.

Error codes

ID	Error Message
16300002	Input error. The specified mission listener does not exist.

For details about the error codes, see Ability Error Codes.

Example

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';

let listener: missionManager.MissionListener = {
    onMissionCreated: (mission) => {console.log('--------onMissionCreated-------');},
    onMissionDestroyed: (mission) => {console.log('--------onMissionDestroyed-------');},
    onMissionSnapshotChanged: (mission) => {console.log('--------onMissionSnapshotChanged-------');},
    onMissionMovedToFront: (mission) => {console.log('--------onMissionMovedToFront-------');},
    onMissionIconUpdated: (mission, icon) => {console.log('--------onMissionIconUpdated-------');},
    onMissionClosed: (mission) => {console.log('--------onMissionClosed-------');},
    onMissionLabelUpdated: (mission) => {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) => {
                    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) {
        // The main window is created. Set a 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>;

Deregisters a mission status listener. This API uses a promise to return the result.

Required permissions: ohos.permission.MANAGE_MISSIONS

System capability: SystemCapability.Ability.AbilityRuntime.Mission

System API: This is a system API and cannot be called by third-party applications.

Parameters

Name	Type	Mandatory	Description
listenerId	number	Yes	Index of the mission status listener to deregister. It is returned by on().

Return value

Type	Description
Promise<void>	Promise used to return the result.

Error codes

ID	Error Message
16300002	Input error. The specified mission listener does not exist.

For details about the error codes, see Ability Error Codes.

Example

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';

let listener: missionManager.MissionListener = {
    onMissionCreated: (mission) => {console.log('--------onMissionCreated-------');},
    onMissionDestroyed: (mission) => {console.log('--------onMissionDestroyed-------');},
    onMissionSnapshotChanged: (mission) => {console.log('--------onMissionSnapshotChanged-------');},
    onMissionMovedToFront: (mission) => {console.log('--------onMissionMovedToFront-------');},
    onMissionIconUpdated: (mission, icon) => {console.log('--------onMissionIconUpdated-------');},
    onMissionClosed: (mission) => {console.log('--------onMissionClosed-------');},
    onMissionLabelUpdated: (mission) => {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) {
        // The main window is created. Set a 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;

Obtains the information about a given mission. This API uses an asynchronous callback to return the result.

Required permissions: ohos.permission.MANAGE_MISSIONS

System capability: SystemCapability.Ability.AbilityRuntime.Mission

System API: This is a system API and cannot be called by third-party applications.

Parameters

Name	Type	Mandatory	Description
deviceId	string	Yes	Device ID. It is a null string by default for the local device.
missionId	number	Yes	Mission ID.
callback	AsyncCallback<MissionInfo>	Yes	Callback used to return the mission information obtained.

Example

  import missionManager from '@ohos.app.ability.missionManager';
  import { BusinessError } from '@ohos.base';

  let testMissionId = 1;

  missionManager.getMissionInfos('',10)
  .then((allMissions) => {
      try {
      if (allMissions && allMissions.length > 0) {
          testMissionId = allMissions[0].missionId;
      }

      missionManager.getMissionInfo('', testMissionId, (error, mission) => {
          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>;

Obtains the information about a given mission. This API uses a promise to return the result.

Required permissions: ohos.permission.MANAGE_MISSIONS

System capability: SystemCapability.Ability.AbilityRuntime.Mission

System API: This is a system API and cannot be called by third-party applications.

Parameters

Name	Type	Mandatory	Description
deviceId	string	Yes	Device ID. It is a null string by default for the local device.
missionId	number	Yes	Mission ID.

Return value

Type	Description
Promise<MissionInfo>	Promise used to return the mission information obtained.

Example

import missionManager from '@ohos.app.ability.missionManager';
import { BusinessError } from '@ohos.base';

let testMissionId = 1;
try {
    missionManager.getMissionInfo('', testMissionId).then((data) => {
        console.info(`getMissionInfo successfully. Data: ${JSON.stringify(data)}`);
    }).catch((error: BusinessError) => {
        console.error(`getMissionInfo failed. Cause: ${error.message}`);
    });
} catch (error) {
    console.error(`getMissionInfo failed. Cause: ${error.message}`);
}

missionManager.getMissionInfos

getMissionInfos(deviceId: string, numMax: number, callback: AsyncCallback<Array<MissionInfo>>): void;

Obtains information about all missions. This API uses an asynchronous callback to return the result.

Required permissions: ohos.permission.MANAGE_MISSIONS

System capability: SystemCapability.Ability.AbilityRuntime.Mission

System API: This is a system API and cannot be called by third-party applications.

Parameters

Name	Type	Mandatory	Description
deviceId	string	Yes	Device ID. It is a null string by default for the local device.
numMax	number	Yes	Maximum number of missions whose information can be obtained.
callback	AsyncCallback<Array<MissionInfo>>	Yes	Callback used to return the array of mission information obtained.

Example

import missionManager from '@ohos.app.ability.missionManager';
import { BusinessError } from '@ohos.base';

try {
  missionManager.getMissionInfos('', 10, (error, missions) => {
    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>>;

Obtains information about all missions. This API uses a promise to return the result.

Required permissions: ohos.permission.MANAGE_MISSIONS

System capability: SystemCapability.Ability.AbilityRuntime.Mission

System API: This is a system API and cannot be called by third-party applications.

Parameters

Name	Type	Mandatory	Description
deviceId	string	Yes	Device ID. It is a null string by default for the local device.
numMax	number	Yes	Maximum number of missions whose information can be obtained.

Return value

Type	Description
Promise<Array<MissionInfo>>	Promise used to return the array of mission information obtained.

Example

import missionManager from '@ohos.app.ability.missionManager';
import { BusinessError } from '@ohos.base';

try {
    missionManager.getMissionInfos('', 10).then((data) => {
        console.info('getMissionInfos successfully. Data: ${JSON.stringify(data)}');
    }).catch((error: BusinessError) => {
        console.error('getMissionInfos failed. Cause: ${error.message}');
    });
} catch (error) {
    console.error('getMissionInfos failed. Cause: ${error.message}');
}

missionManager.getMissionSnapShot

getMissionSnapShot(deviceId: string, missionId: number, callback: AsyncCallback<MissionSnapshot>): void;

Obtains the snapshot of a given mission. This API uses an asynchronous callback to return the result.

Required permissions: ohos.permission.MANAGE_MISSIONS

System capability: SystemCapability.Ability.AbilityRuntime.Mission

System API: This is a system API and cannot be called by third-party applications.

Parameters

Name	Type	Mandatory	Description
deviceId	string	Yes	Device ID. It is a null string by default for the local device.
missionId	number	Yes	Mission ID.
callback	AsyncCallback<MissionSnapshot>	Yes	Callback used to return the snapshot information obtained.

Example

import missionManager from '@ohos.app.ability.missionManager';

let testMissionId = 2;
try {
    missionManager.getMissionSnapShot('', testMissionId, (err, data) => {
        if (err) {
            console.error(`getMissionSnapShot failed: ${err.message}`);
        } else {
            console.info(`getMissionSnapShot successfully: ${JSON.stringify(data)}`);
        }
    });
} catch (err) {
    console.error(`getMissionSnapShot failed: ${err.message}`);
}

missionManager.getMissionSnapShot

getMissionSnapShot(deviceId: string, missionId: number): Promise<MissionSnapshot>;

Obtains the snapshot of a given mission. This API uses a promise to return the result.

Required permissions: ohos.permission.MANAGE_MISSIONS

System capability: SystemCapability.Ability.AbilityRuntime.Mission

System API: This is a system API and cannot be called by third-party applications.

Parameters

Name	Type	Mandatory	Description
deviceId	string	Yes	Device ID. It is a null string by default for the local device.
missionId	number	Yes	Mission ID.

Return value

Type	Description
Promise<MissionSnapshot>	Promise used to return the snapshot information obtained.

Example

import missionManager from '@ohos.app.ability.missionManager';
import { BusinessError } from '@ohos.base';

let testMissionId = 2;
try {
    missionManager.getMissionSnapShot('', testMissionId).then((data) => {
        console.info(`getMissionSnapShot successfully. Data: ${JSON.stringify(data)}`);
    }).catch((error: BusinessError) => {
        console.error(`getMissionSnapShot failed. Cause: ${error.message}`);
    });
} catch (error) {
    console.error(`getMissionSnapShot failed. Cause: ${error.message}`);
}

missionManager.getLowResolutionMissionSnapShot

getLowResolutionMissionSnapShot(deviceId: string, missionId: number, callback: AsyncCallback<MissionSnapshot>): void;

Obtains the low-resolution snapshot of a given mission. This API uses an asynchronous callback to return the result.

Required permissions: ohos.permission.MANAGE_MISSIONS

System capability: SystemCapability.Ability.AbilityRuntime.Mission

System API: This is a system API and cannot be called by third-party applications.

Parameters

Name	Type	Mandatory	Description
deviceId	string	Yes	Device ID. It is a null string by default for the local device.
missionId	number	Yes	Mission ID.
callback	AsyncCallback<MissionSnapshot>	Yes	Callback used to return the snapshot information obtained.

Example

import missionManager from '@ohos.app.ability.missionManager';

let testMissionId = 2;
try {
    missionManager.getLowResolutionMissionSnapShot('', testMissionId, (err, data) => {
        if (err) {
            console.error(`getLowResolutionMissionSnapShot failed: ${err.message}`);
        } else {
            console.info(`getLowResolutionMissionSnapShot successfully: ${JSON.stringify(data)}`);
        }
    });
} catch (err) {
    console.error(`getLowResolutionMissionSnapShot failed: ${err.message}`);
}

missionManager.getLowResolutionMissionSnapShot

getLowResolutionMissionSnapShot(deviceId: string, missionId: number): Promise<MissionSnapshot>;

Obtains the low-resolution snapshot of a given mission. This API uses a promise to return the result.

Required permissions: ohos.permission.MANAGE_MISSIONS

System capability: SystemCapability.Ability.AbilityRuntime.Mission

System API: This is a system API and cannot be called by third-party applications.

Parameters

Name	Type	Mandatory	Description
deviceId	string	Yes	Device ID. It is a null string by default for the local device.
missionId	number	Yes	Mission ID.

Return value

Type	Description
Promise<MissionSnapshot>	Promise used to return the snapshot information obtained.

Example

import missionManager from '@ohos.app.ability.missionManager';
import { BusinessError } from '@ohos.base';

let testMissionId = 2;
try {
    missionManager.getLowResolutionMissionSnapShot('', testMissionId).then((data) => {
        console.info(`getLowResolutionMissionSnapShot successfully. Data: ${JSON.stringify(data)}`);
    }).catch((error: BusinessError) => {
        console.error(`getLowResolutionMissionSnapShot failed. Cause: ${error.message}`);
    });
} catch (error) {
    console.error(`getLowResolutionMissionSnapShot failed. Cause: ${error.message}`);
}

missionManager.lockMission

lockMission(missionId: number, callback: AsyncCallback<void>): void;

Locks a given mission. This API uses an asynchronous callback to return the result.

Required permissions: ohos.permission.MANAGE_MISSIONS

System capability: SystemCapability.Ability.AbilityRuntime.Mission

System API: This is a system API and cannot be called by third-party applications.

Parameters

Name	Type	Mandatory	Description
missionId	number	Yes	Mission ID.
callback	AsyncCallback<void>	Yes	Callback used to return the result.

Error codes

ID	Error Message
16300001	Mission not found.

For details about the error codes, see Ability Error Codes.

Example

import missionManager from '@ohos.app.ability.missionManager';

let testMissionId = 2;
try {
    missionManager.lockMission(testMissionId, (err, data) => {
        if (err) {
            console.error(`lockMission failed: ${err.message}`);
        } else {
            console.info(`lockMission successfully: ${JSON.stringify(data)}`);
        }
    });
} catch (err) {
    console.error(`lockMission failed: ${err.message}`);
}

missionManager.lockMission

lockMission(missionId: number): Promise<void>;

Locks a given mission. This API uses a promise to return the result.

Required permissions: ohos.permission.MANAGE_MISSIONS

System capability: SystemCapability.Ability.AbilityRuntime.Mission

System API: This is a system API and cannot be called by third-party applications.

Parameters

Name	Type	Mandatory	Description
missionId	number	Yes	Mission ID.

Return value

Type	Description
Promise<void>	Promise used to return the result.

Error codes

ID	Error Message
16300001	Mission not found.

For details about the error codes, see Ability Error Codes.

Example

import missionManager from '@ohos.app.ability.missionManager';
import { BusinessError } from '@ohos.base';

let testMissionId = 2;
try {
    missionManager.lockMission(testMissionId).then((data) => {
        console.info(`lockMission successfully. Data: ${JSON.stringify(data)}`);
    }).catch((error: BusinessError) => {
        console.error(`lockMission failed. Cause: ${error.message}`);
    });
} catch (error) {
    console.error(`lockMission failed. Cause: ${error.message}`);
}

missionManager.unlockMission

unlockMission(missionId: number, callback: AsyncCallback<void>): void;

Unlocks a given mission. This API uses an asynchronous callback to return the result.

Required permissions: ohos.permission.MANAGE_MISSIONS

System capability: SystemCapability.Ability.AbilityRuntime.Mission

System API: This is a system API and cannot be called by third-party applications.

Parameters

Name	Type	Mandatory	Description
missionId	number	Yes	Mission ID.
callback	AsyncCallback<void>	Yes	Callback used to return the result.

Error codes

ID	Error Message
16300001	Mission not found.

For details about the error codes, see Ability Error Codes.

Example

import missionManager from '@ohos.app.ability.missionManager';

let testMissionId = 2;
try {
    missionManager.unlockMission(testMissionId, (err, data) => {
        if (err) {
            console.error(`unlockMission failed: ${err.message}`);
        } else {
            console.info(`unlockMission successfully: ${JSON.stringify(data)}`);
        }
    });
} catch (err) {
    console.error(`unlockMission failed: ${err.message}`);
}

missionManager.unlockMission

unlockMission(missionId: number): Promise<void>;

Unlocks a given mission. This API uses a promise to return the result.

Required permissions: ohos.permission.MANAGE_MISSIONS

System capability: SystemCapability.Ability.AbilityRuntime.Mission

System API: This is a system API and cannot be called by third-party applications.

Parameters

Name	Type	Mandatory	Description
missionId	number	Yes	Mission ID.

Return value

Type	Description
Promise<void>	Promise used to return the result.

Error codes

ID	Error Message
16300001	Mission not found.

For details about the error codes, see Ability Error Codes.

Example

import missionManager from '@ohos.app.ability.missionManager';
import { BusinessError } from '@ohos.base';

let testMissionId = 2;
try {
    missionManager.unlockMission(testMissionId).then((data) => {
        console.info(`unlockMission successfully. Data: ${JSON.stringify(data)}`);
    }).catch((error: BusinessError) => {
        console.error(`unlockMission failed. Cause: ${error.message}`);
    });
} catch (error) {
    console.error(`unlockMission failed. Cause: ${error.message}`);
}

missionManager.clearMission

clearMission(missionId: number, callback: AsyncCallback<void>): void;

Clears a given mission, regardless of whether it is locked. This API uses an asynchronous callback to return the result.

Required permissions: ohos.permission.MANAGE_MISSIONS

System capability: SystemCapability.Ability.AbilityRuntime.Mission

System API: This is a system API and cannot be called by third-party applications.

Parameters

Name	Type	Mandatory	Description
missionId	number	Yes	Mission ID.
callback	AsyncCallback<void>	Yes	Callback used to return the result.

Example

import missionManager from '@ohos.app.ability.missionManager';

let testMissionId = 2;
try {
    missionManager.clearMission(testMissionId, (err, data) => {
        if (err) {
            console.error(`clearMission failed: ${err.message}`);
        } else {
            console.info(`clearMission successfully: ${JSON.stringify(data)}`);
        }
    });
} catch (err) {
    console.error(`clearMission failed: ${err.message}`);
}

missionManager.clearMission

clearMission(missionId: number): Promise<void>;

Clears a given mission, regardless of whether it is locked. This API uses a promise to return the result.

Required permissions: ohos.permission.MANAGE_MISSIONS

System capability: SystemCapability.Ability.AbilityRuntime.Mission

System API: This is a system API and cannot be called by third-party applications.

Parameters

Name	Type	Mandatory	Description
missionId	number	Yes	Mission ID.

Return value

Type	Description
Promise<void>	Promise used to return the result.

Example

import missionManager from '@ohos.app.ability.missionManager';
import { BusinessError } from '@ohos.base';

let testMissionId = 2;
try {
    missionManager.clearMission(testMissionId).then((data) => {
        console.info(`clearMission successfully. Data: ${JSON.stringify(data)}`);
    }).catch((error: BusinessError) => {
        console.error(`clearMission failed. Cause: ${error.message}`);
    });
} catch (error) {
    console.error(`clearMission failed. Cause: ${error.message}`);
}

missionManager.clearAllMissions

clearAllMissions(callback: AsyncCallback<void>): void;

Clears all unlocked missions. This API uses an asynchronous callback to return the result.

Required permissions: ohos.permission.MANAGE_MISSIONS

System capability: SystemCapability.Ability.AbilityRuntime.Mission

System API: This is a system API and cannot be called by third-party applications.

Example

import missionManager from '@ohos.app.ability.missionManager';

try {
    missionManager.clearAllMissions(err => {
        if (err) {
            console.error('clearAllMissions failed: ${err.message}');
        } else {
            console.info('clearAllMissions successfully.');
        }
    });
} catch (err) {
    console.error('clearAllMissions failed: ${err.message}');
}

missionManager.clearAllMissions

clearAllMissions(): Promise<void>;

Clears all unlocked missions. This API uses a promise to return the result.

Required permissions: ohos.permission.MANAGE_MISSIONS

System capability: SystemCapability.Ability.AbilityRuntime.Mission

System API: This is a system API and cannot be called by third-party applications.

Return value

Type	Description
Promise<void>	Promise used to return the result.

Example

import missionManager from '@ohos.app.ability.missionManager';
import { BusinessError } from '@ohos.base';

try {
    missionManager.clearAllMissions().then((data) => {
        console.info(`clearAllMissions successfully. Data: ${JSON.stringify(data)}`);
    }).catch((err: BusinessError) => {
        console.error(`clearAllMissions failed: ${err.message}`);
    });
} catch (err) {
    console.error(`clearAllMissions failed: ${err.message}`);
}

missionManager.moveMissionToFront

moveMissionToFront(missionId: number, callback: AsyncCallback<void>): void;

Switches a given mission to the foreground. This API uses an asynchronous callback to return the result.

Required permissions: ohos.permission.MANAGE_MISSIONS

System capability: SystemCapability.Ability.AbilityRuntime.Mission

System API: This is a system API and cannot be called by third-party applications.

Parameters

Name	Type	Mandatory	Description
missionId	number	Yes	Mission ID.
callback	AsyncCallback<void>	Yes	Callback used to return the result.

Error codes

ID	Error Message
16000009	An ability cannot be started or stopped in Wukong mode.

For details about the error codes, see Ability Error Codes.

Example

import missionManager from '@ohos.app.ability.missionManager';

let testMissionId = 2;
try {
    missionManager.moveMissionToFront(testMissionId, (err, data) => {
        if (err) {
            console.error(`moveMissionToFront failed: ${err.message}`);
        } else {
            console.info(`moveMissionToFront successfully: ${JSON.stringify(data)}`);
        }
    });
} catch (err) {
    console.error(`moveMissionToFront failed: ${err.message}`);
}

missionManager.moveMissionToFront

moveMissionToFront(missionId: number, options: StartOptions, callback: AsyncCallback<void>): void;

Switches a given mission to the foreground, with the startup parameters for the switching specified. This API uses an asynchronous callback to return the result.

Required permissions: ohos.permission.MANAGE_MISSIONS

System capability: SystemCapability.Ability.AbilityRuntime.Mission

System API: This is a system API and cannot be called by third-party applications.

Parameters

Name	Type	Mandatory	Description
missionId	number	Yes	Mission ID.
options	StartOptions	Yes	Startup parameters, which are used to specify the window mode and device ID for switching the mission to the foreground.
callback	AsyncCallback<void>	Yes	Callback used to return the result.

Error codes

ID	Error Message
16000009	An ability cannot be started or stopped in Wukong mode.

For details about the error codes, see Ability Error Codes.

Example

import missionManager from '@ohos.app.ability.missionManager';

let testMissionId = 2;
try {
    missionManager.moveMissionToFront(testMissionId, {windowMode : 101}, (err, data) => {
        if (err) {
            console.error(`moveMissionToFront failed: ${err.message}`);
        } else {
            console.info(`moveMissionToFront successfully: ${JSON.stringify(data)}`);
        }
    });
} catch (err) {
    console.error(`moveMissionToFront failed: ${err.message}`);
}

missionManager.moveMissionToFront

moveMissionToFront(missionId: number, options?: StartOptions): Promise<void>;

Switches a given mission to the foreground, with the startup parameters for the switching specified. This API uses a promise to return the result.

Required permissions: ohos.permission.MANAGE_MISSIONS

System capability: SystemCapability.Ability.AbilityRuntime.Mission

System API: This is a system API and cannot be called by third-party applications.

Parameters

Name	Type	Mandatory	Description
missionId	number	Yes	Mission ID.
options	StartOptions	No	Startup parameters, which are used to specify the window mode and device ID for switching the mission to the foreground. By default, no value is passed in, indicating that the default startup parameters are used.

Return value

Type	Description
Promise<void>	Promise used to return the result.

Error codes

ID	Error Message
16000009	An ability cannot be started or stopped in Wukong mode.

For details about the error codes, see Ability Error Codes.

Example

import missionManager from '@ohos.app.ability.missionManager';
import { BusinessError } from '@ohos.base';

let testMissionId = 2;
try {
    missionManager.moveMissionToFront(testMissionId).then((data) => {
        console.info(`moveMissionToFront successfully. Data: ${JSON.stringify(data)}`);
    }).catch((error: BusinessError) => {
        console.error(`moveMissionToFront failed. Cause: ${error.message}`);
    });
} catch (error) {
    console.error(`moveMissionToFront failed. Cause: ${error.message}`);
}

missionManager.moveMissionsToForeground¹⁰⁺

moveMissionsToForeground(missionIds: Array<number>, callback: AsyncCallback<void>): void;

Switches a batch of missions to the foreground. This API uses an asynchronous callback to return the result.

Required permissions: ohos.permission.MANAGE_MISSIONS

System capability: SystemCapability.Ability.AbilityRuntime.Mission

System API: This is a system API.

Parameters

Name	Type	Mandatory	Description
missionIds	Array<number>	Yes	Array holding the mission IDs.
callback	AsyncCallback<void>	Yes	Callback used to return the result.

Error codes

For details about the error codes, see Ability Error Codes.

ID	Error Message
16000050	Internal error.

Example

import abilityManager from '@ohos.app.ability.abilityManager';
import missionManager from '@ohos.app.ability.missionManager';
import { BusinessError } from '@ohos.base';

try {
    missionManager.getMissionInfos("", 10, (error, missionInfos) => {
        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, data) => {
            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;

Switches a batch of missions to the foreground, and moves the mission with the specified ID to the top. This API uses an asynchronous callback to return the result.

Required permissions: ohos.permission.MANAGE_MISSIONS

System capability: SystemCapability.Ability.AbilityRuntime.Mission

System API: This is a system API.

Parameters

Name	Type	Mandatory	Description
missionIds	Array<number>	Yes	Array holding the mission IDs.
topMission	number	Yes	ID of the mission to be moved to the top.
callback	AsyncCallback<void>	Yes	Callback used to return the result.

Error codes

For details about the error codes, see Ability Error Codes.

ID	Error Message
16000050	Internal error.

Example

import abilityManager from '@ohos.app.ability.abilityManager';
import missionManager from '@ohos.app.ability.missionManager';
import { BusinessError } from '@ohos.base';

try {
    missionManager.getMissionInfos("", 10, (error, missionInfos) => {
        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, data) => {
            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> ;

Switches a batch of missions to the foreground, and moves the mission with the specified ID to the top. This API uses a promise to return the result.

Required permissions: ohos.permission.MANAGE_MISSIONS

System capability: SystemCapability.Ability.AbilityRuntime.Mission

System API: This is a system API.

Parameters

Name	Type	Mandatory	Description
missionIds	Array<number>	Yes	Array holding the mission IDs.
topMission	number	No	ID of the mission to be moved to the top. The default value is -1, indicating that the default mission is moved to the top.

Return value

Type	Description
Promise<void>	Promise used to return the result.

Error codes

For details about the error codes, see Ability Error Codes.

ID	Error Message
16000050	Internal error.

Example

import abilityManager from '@ohos.app.ability.abilityManager';
import missionManager from '@ohos.app.ability.missionManager';
import { BusinessError } from '@ohos.base';

try {
    missionManager.getMissionInfos("", 10, (error, missionInfos) => {
        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;

Switches a batch of missions to the background. This API uses an asynchronous callback to return the result. The mission IDs in the callback are sorted by mission level when the missions are switched.

Required permissions: ohos.permission.MANAGE_MISSIONS

System capability: SystemCapability.Ability.AbilityRuntime.Mission

System API: This is a system API.

Parameters

Name	Type	Mandatory	Description
missionIds	Array<number>	Yes	Array holding the mission IDs.
callback	AsyncCallback<Array<number>>	Yes	Callback used to return the result.

Error codes

For details about the error codes, see Ability Error Codes.

ID	Error Message
16000050	Internal error.

Example

import abilityManager from '@ohos.app.ability.abilityManager';
import missionManager from '@ohos.app.ability.missionManager';
import { BusinessError } from '@ohos.base';

try {
    missionManager.getMissionInfos("", 10, (error, missionInfos) => {
        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, data) => {
            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>>;

Switches a batch of missions to the background. This API uses a promise to return the result. The mission IDs in the promise are sorted by mission level when the missions are switched.

Required permissions: ohos.permission.MANAGE_MISSIONS

System capability: SystemCapability.Ability.AbilityRuntime.Mission

System API: This is a system API.

Parameters

Name	Type	Mandatory	Description
missionIds	Array<number>	Yes	Array holding the mission IDs.

Return value

Type	Description
Promise<Array<number>>	Promise used to return the result.

Error codes

For details about the error codes, see Ability Error Codes.

ID	Error Message
16000050	Internal error.

Example

import abilityManager from '@ohos.app.ability.abilityManager';
import missionManager from '@ohos.app.ability.missionManager';
import { BusinessError } from '@ohos.base';

try {
    missionManager.getMissionInfos("", 10, (error, missionInfos) => {
        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) => {
            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} `);
}

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@ohos.app.ability.missionManager (missionManager)

Modules to Import

Required Permissions

missionManager.on

missionManager.off

missionManager.off

missionManager.getMissionInfo

missionManager.getMissionInfo

missionManager.getMissionInfos

missionManager.getMissionInfos

missionManager.getMissionSnapShot

missionManager.getMissionSnapShot

missionManager.getLowResolutionMissionSnapShot

missionManager.getLowResolutionMissionSnapShot

missionManager.lockMission

missionManager.lockMission

missionManager.unlockMission

missionManager.unlockMission

missionManager.clearMission

missionManager.clearMission

missionManager.clearAllMissions

missionManager.clearAllMissions

missionManager.moveMissionToFront

missionManager.moveMissionToFront

missionManager.moveMissionToFront

missionManager.moveMissionsToForeground¹⁰⁺

missionManager.moveMissionsToForeground¹⁰⁺

missionManager.moveMissionsToForeground¹⁰⁺

missionManager.moveMissionsToBackground¹⁰⁺

missionManager.moveMissionsToBackground¹⁰⁺

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标签云

@ohos.app.ability.missionManager (missionManager)

Modules to Import

Required Permissions

missionManager.on

missionManager.off

missionManager.off

missionManager.getMissionInfo

missionManager.getMissionInfo

missionManager.getMissionInfos

missionManager.getMissionInfos

missionManager.getMissionSnapShot

missionManager.getMissionSnapShot

missionManager.getLowResolutionMissionSnapShot

missionManager.getLowResolutionMissionSnapShot

missionManager.lockMission

missionManager.lockMission

missionManager.unlockMission

missionManager.unlockMission

missionManager.clearMission

missionManager.clearMission

missionManager.clearAllMissions

missionManager.clearAllMissions

missionManager.moveMissionToFront

missionManager.moveMissionToFront

missionManager.moveMissionToFront

missionManager.moveMissionsToForeground10+

missionManager.moveMissionsToForeground10+

missionManager.moveMissionsToForeground10+

missionManager.moveMissionsToBackground10+

missionManager.moveMissionsToBackground10+

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missionManager.moveMissionsToForeground¹⁰⁺

missionManager.moveMissionsToForeground¹⁰⁺

missionManager.moveMissionsToForeground¹⁰⁺

missionManager.moveMissionsToBackground¹⁰⁺

missionManager.moveMissionsToBackground¹⁰⁺