@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

Return value

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';
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) {
        // 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

Error codes

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';
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) {
        // 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

Return value

Error codes

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';
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) {
        // 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

Example

  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>

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

Return value

Example

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

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

Example

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>>

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

Return value

Example

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

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

Example

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>

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

Return value

Example

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

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

Example

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>

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

Return value

Example

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

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

Error codes

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, (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>

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

Return value

Error codes

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: 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

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

Error codes

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, (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>

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

Return value

Error codes

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: 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

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

Example

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>

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

Return value

Example

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

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.

Parameters

Example

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>

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

Example

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

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

Error codes

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, (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

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

Error codes

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, {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>

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

Return value

Error codes

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: 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

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

Error codes

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

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: 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

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

Error codes

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

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: 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>

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

Return value

Error codes

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

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: 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

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

Error codes

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

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: 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>>

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

Return value

Error codes

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

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: 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} `);
}