harmony 鸿蒙@ohos.bundle.defaultAppManager (Default Application Management)

  • 2022-12-05
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@ohos.bundle.defaultAppManager (Default Application Management)

The DefaultAppManager module provides APIs to query whether the current application is the default application of a specific type.

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 defaultAppMgr from '@ohos.bundle.defaultAppManager';

Required Permissions

Permission Permission Level Description
ohos.permission.GET_DEFAULT_APPLICATION system_core Permission related to the default application.

For details, see Permission Levels.

defaultAppMgr.ApplicationType

Enumerates the default application types.

System capability: SystemCapability.BundleManager.BundleFramework.DefaultApp

Name Value Description
BROWSER “Web Browser” Default browser.
IMAGE “Image Gallery” Default image viewer.
AUDIO “Audio Player” Default audio player.
VIDEO “Video Player” Default video player.
PDF “PDF Viewer” Default PDF reader.
WORD “Word Viewer” Default Word viewer.
EXCEL “Excel Viewer” Default Excel viewer.
PPT “PPT Viewer” Default PowerPoint viewer.

defaultAppMgr.isDefaultApplication

isDefaultApplication(type: string): Promise<boolean>

Checks whether this application is the default application of a system-defined application type. This API uses a promise to return the result.

System capability: SystemCapability.BundleManager.BundleFramework.DefaultApp

Parameters

Name Type Mandatory Description
type string Yes Type of the target application. It must be set to a value defined by ApplicationType.

Return value

Type Description
Promise<boolean> Promise used to return the result. If the application is the default application, true is returned; otherwise, false is returned.

Example

import defaultAppMgr from '@ohos.bundle.defaultAppManager';
import { BusinessError } from '@ohos.base';

defaultAppMgr.isDefaultApplication(defaultAppMgr.ApplicationType.BROWSER)
  .then((data) => {
    console.info('Operation successful. IsDefaultApplication ? ' + JSON.stringify(data));
  }).catch((error: BusinessError) => {
  console.error('Operation failed. Cause: ' + JSON.stringify(error));
});

defaultAppMgr.isDefaultApplication

isDefaultApplication(type: string, callback: AsyncCallback<boolean>): void

Checks whether this application is the default application of a system-defined application type. This API uses an asynchronous callback to return the result.

System capability: SystemCapability.BundleManager.BundleFramework.DefaultApp

Parameters

Name Type Mandatory Description
type string Yes Type of the target application. It must be set to a value defined by ApplicationType.
callback AsyncCallback<boolean> Yes Callback used to return the result. If the application is the default application, true is returned; otherwise, false is returned.

Example

import defaultAppMgr from '@ohos.bundle.defaultAppManager';
import { BusinessError } from '@ohos.base';

defaultAppMgr.isDefaultApplication(defaultAppMgr.ApplicationType.BROWSER, (err: BusinessError, data) => {
  if (err) {
    console.error('Operation failed. Cause: ' + JSON.stringify(err));
    return;
  }
  console.info('Operation successful. IsDefaultApplication ? ' + JSON.stringify(data));
});

defaultAppMgr.isDefaultApplicationSync10+

isDefaultApplicationSync(type: string): boolean;

Checks whether this application is the default application of a system-defined application type. This API is a synchronous API.

System capability: SystemCapability.BundleManager.BundleFramework.DefaultApp

Parameters

Name Type Mandatory Description
type string Yes Type of the target application. It must be set to a value defined by ApplicationType.

Return value

Type Description
boolean Returns true if the application is the default application; returns false otherwise.

Example

import defaultAppMgr from '@ohos.bundle.defaultAppManager';
try {
  let data = defaultAppMgr.isDefaultApplicationSync(defaultAppMgr.ApplicationType.BROWSER)
  console.info('Operation successful. IsDefaultApplicationSync ? ' + JSON.stringify(data));
} catch(error) {
  console.error('Operation failed. Cause: ' + JSON.stringify(error));
};

defaultAppMgr.getDefaultApplication

getDefaultApplication(type: string, userId?: number): Promise<BundleInfo>

Obtains the default application based on a system-defined application type or a file type that complies with the media type format (either specified by type or subtype). This API uses a promise to return the result.

Required permissions: ohos.permission.GET_DEFAULT_APPLICATION

System capability: SystemCapability.BundleManager.BundleFramework.DefaultApp

System API: This is a system API.

Parameters

Name Type Mandatory Description
type string Yes Type of the target application. It must be set to a value defined by ApplicationType or a file type that complies with the media type format.
userId number No User ID. The default value is the user ID of the caller.

Return value

Type Description
Promise<BundleInfo> Promise used to return the default application.

Error codes

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

ID Error Message
17700004 The specified user ID is not found.
17700023 The specified default app does not exist.
17700025 The specified type is invalid.

Example

import defaultAppMgr from '@ohos.bundle.defaultAppManager';
import { BusinessError } from '@ohos.base';

defaultAppMgr.getDefaultApplication(defaultAppMgr.ApplicationType.BROWSER)
  .then((data) => {
    console.info('Operation successful. bundleInfo: ' + JSON.stringify(data));
  })
  .catch((error: BusinessError) => {
    console.error('Operation failed. Cause: ' + JSON.stringify(error));
  });

defaultAppMgr.getDefaultApplication("image/png")
  .then((data) => {
    console.info('Operation successful. bundleInfo: ' + JSON.stringify(data));
  })
  .catch((error: BusinessError) => {
    console.error('Operation failed. Cause: ' + JSON.stringify(error));
  });

defaultAppMgr.getDefaultApplication

getDefaultApplication(type: string, userId: number, callback: AsyncCallback<BundleInfo>) : void

Obtains the default application of a user based on a system-defined application type or a file type that complies with the media type format (either specified by type or subtype). This API uses an asynchronous callback to return the result.

Required permissions: ohos.permission.GET_DEFAULT_APPLICATION

System capability: SystemCapability.BundleManager.BundleFramework.DefaultApp

System API: This is a system API.

Parameters

Name Type Mandatory Description
type string Yes Type of the target application. It must be set to a value defined by ApplicationType or a file type that complies with the media type format.
userId number Yes User ID.
callback AsyncCallback<BundleInfo> Yes Callback used to return the default application.

Error codes

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

ID Error Message
17700004 The specified user ID is not found.
17700023 The specified default app does not exist.
17700025 The specified type is invalid.

Example

import defaultAppMgr from '@ohos.bundle.defaultAppManager';
import { BusinessError } from '@ohos.base';

let userId = 100;
defaultAppMgr.getDefaultApplication(defaultAppMgr.ApplicationType.BROWSER, userId, (err: BusinessError, data) => {
  if (err) {
    console.error('Operation failed. Cause: ' + JSON.stringify(err));
    return;
  }
  console.info('Operation successful. bundleInfo:' + JSON.stringify(data));
});

defaultAppMgr.getDefaultApplication("image/png", userId, (err: BusinessError, data) => {
  if (err) {
    console.error('Operation failed. Cause: ' + JSON.stringify(err));
    return;
  }
  console.info('Operation successful. bundleInfo:' + JSON.stringify(data));
});

defaultAppMgr.getDefaultApplication

getDefaultApplication(type: string, callback: AsyncCallback<BundleInfo>) : void

Obtains the default application based on a system-defined application type or a file type that complies with the media type format (either specified by type or subtype). This API uses an asynchronous callback to return the result.

Required permissions: ohos.permission.GET_DEFAULT_APPLICATION

System capability: SystemCapability.BundleManager.BundleFramework.DefaultApp

System API: This is a system API.

Parameters

Name Type Mandatory Description
type string Yes Type of the target application. It must be set to a value defined by ApplicationType or a file type that complies with the media type format.
callback AsyncCallback<BundleInfo> Yes Callback used to return the default application.

Error codes

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

ID Error Message
17700023 The specified default app does not exist.
17700025 The specified type is invalid.

Example

import defaultAppMgr from '@ohos.bundle.defaultAppManager';
import { BusinessError } from '@ohos.base';

defaultAppMgr.getDefaultApplication(defaultAppMgr.ApplicationType.BROWSER, (err: BusinessError, data) => {
  if (err) {
    console.error('Operation failed. Cause: ' + JSON.stringify(err));
    return;
  }
  console.info('Operation successful. bundleInfo:' + JSON.stringify(data));
});
defaultAppMgr.getDefaultApplication("image/png", (err: BusinessError, data) => {
  if (err) {
    console.error('Operation failed. Cause: ' + JSON.stringify(err));
    return;
  }
  console.info('Operation successful. bundleInfo:' + JSON.stringify(data));
});

defaultAppMgr.getDefaultApplicationSync10+

getDefaultApplicationSync(type: string, userId?: number): BundleInfo;

Obtains the default application based on a system-defined application type or a file type that complies with the media type format (either specified by type or subtype). This API is a synchronous API.

Required permissions: ohos.permission.GET_DEFAULT_APPLICATION

System capability: SystemCapability.BundleManager.BundleFramework.DefaultApp

System API: This is a system API.

Parameters

Name Type Mandatory Description
type string Yes Type of the target application. It must be set to a value defined by ApplicationType or a file type that complies with the media type format.
userId number No User ID. The default value is the user ID of the caller.

Return value

Type Description
BundleInfo Bundle information of the default application.

Error codes

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

ID Error Message
17700004 The specified user ID is not found.
17700023 The specified default app does not exist.
17700025 The specified type is invalid.

Example

import defaultAppMgr from '@ohos.bundle.defaultAppManager';
try {
  let data = defaultAppMgr.getDefaultApplicationSync(defaultAppMgr.ApplicationType.BROWSER)
  console.info('Operation successful. bundleInfo: ' + JSON.stringify(data));
} catch(error) {
  console.error('Operation failed. Cause: ' + JSON.stringify(error));
};

try {
  let data = defaultAppMgr.getDefaultApplicationSync("image/png")
  console.info('Operation successful. bundleInfo: ' + JSON.stringify(data));
} catch(error) {
  console.error('Operation failed. Cause: ' + JSON.stringify(error));
};

defaultAppMgr.setDefaultApplication

setDefaultApplication(type: string, elementName: ElementName, userId?: number): Promise<void>

Sets the default application based on a system-defined application type or a file type that complies with the media type format (either specified by type or subtype). This API uses a promise to return the result.

Required permissions: ohos.permission.SET_DEFAULT_APPLICATION

System capability: SystemCapability.BundleManager.BundleFramework.DefaultApp

System API: This is a system API.

Parameters

Name Type Mandatory Description
type string Yes Type of the target application. It must be set to a value defined by ApplicationType or a file type that complies with the media type format.
elementName ElementName Yes Information about the element to be set as the default application.
userId number No User ID. The default value is the user ID of the caller.

Return value

Type Description
Promise<void> Promise that returns no value.

Error codes

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

ID Error Message
17700004 The specified user ID is not found.
17700025 The specified type is invalid.
17700028 The specified ability does not match the type.

Example

import defaultAppMgr from '@ohos.bundle.defaultAppManager';
import { BusinessError } from '@ohos.base';

defaultAppMgr.setDefaultApplication(defaultAppMgr.ApplicationType.BROWSER, {
  bundleName: "com.example.myapplication",
  moduleName: "module01",
  abilityName: "EntryAbility"
}).then((data) => {
  console.info('Operation successful.');
}).catch((error: BusinessError) => {
  console.error('Operation failed. Cause: ' + JSON.stringify(error));
});

let userId = 100;
defaultAppMgr.setDefaultApplication(defaultAppMgr.ApplicationType.BROWSER, {
  bundleName: "com.example.myapplication",
  moduleName: "module01",
  abilityName: "EntryAbility"
}, userId).then((data) => {
  console.info('Operation successful.');
}).catch((error: BusinessError) => {
  console.error('Operation failed. Cause: ' + JSON.stringify(error));
});

defaultAppMgr.setDefaultApplication("image/png", {
  bundleName: "com.example.myapplication",
  moduleName: "module01",
  abilityName: "EntryAbility"
}, userId).then((data) => {
  console.info('Operation successful.');
}).catch((error: BusinessError) => {
  console.error('Operation failed. Cause: ' + JSON.stringify(error));
});

defaultAppMgr.setDefaultApplication

setDefaultApplication(type: string, elementName: ElementName, userId: number, callback: AsyncCallback<void>) : void;

Sets the default application for a user based on a system-defined application type or a file type that complies with the media type format (either specified by type or subtype). This API uses an asynchronous callback to return the result.

Required permissions: ohos.permission.SET_DEFAULT_APPLICATION

System capability: SystemCapability.BundleManager.BundleFramework.DefaultApp

System API: This is a system API.

Parameters

Name Type Mandatory Description
type string Yes Type of the target application. It must be set to a value defined by ApplicationType or a file type that complies with the media type format.
elementName ElementName Yes Information about the element to be set as the default application.
userId number Yes User ID.
callback AsyncCallback<void> Yes Callback used to return the result.

Error codes

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

ID Error Message
17700004 The specified user ID is not found.
17700025 The specified type is invalid.
17700028 The specified ability does not match the type.

Example

import defaultAppMgr from '@ohos.bundle.defaultAppManager';
import { BusinessError } from '@ohos.base';

let userId = 100;
defaultAppMgr.setDefaultApplication(defaultAppMgr.ApplicationType.BROWSER, {
  bundleName: "com.example.myapplication",
  moduleName: "module01",
  abilityName: "EntryAbility"
}, userId, (err: BusinessError, data) => {
  if (err) {
    console.error('Operation failed. Cause: ' + JSON.stringify(err));
    return;
  }
  console.info('Operation successful.');
});

defaultAppMgr.setDefaultApplication("image/png", {
  bundleName: "com.example.myapplication",
  moduleName: "module01",
  abilityName: "EntryAbility"
}, userId, (err: BusinessError, data) => {
  if (err) {
    console.error('Operation failed. Cause: ' + JSON.stringify(err));
    return;
  }
  console.info('Operation successful.');
});

defaultAppMgr.setDefaultApplication

setDefaultApplication(type: string, elementName: ElementName, callback: AsyncCallback<void>) : void;

Sets the default application based on a system-defined application type or a file type that complies with the media type format (either specified by type or subtype). This API uses an asynchronous callback to return the result.

Required permissions: ohos.permission.SET_DEFAULT_APPLICATION

System capability: SystemCapability.BundleManager.BundleFramework.DefaultApp

System API: This is a system API.

Parameters

Name Type Mandatory Description
type string Yes Type of the target application. It must be set to a value defined by ApplicationType or a file type that complies with the media type format.
elementName ElementName Yes Information about the element to be set as the default application.
callback AsyncCallback<void> Yes Callback used to return the result.

Error codes

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

ID Error Message
17700025 The specified type is invalid.
17700028 The specified ability does not match the type.

Example

import defaultAppMgr from '@ohos.bundle.defaultAppManager';
import { BusinessError } from '@ohos.base';

defaultAppMgr.setDefaultApplication(defaultAppMgr.ApplicationType.BROWSER, {
  bundleName: "com.example.myapplication",
  moduleName: "module01",
  abilityName: "EntryAbility"
}, (err: BusinessError, data) => {
  if (err) {
    console.error('Operation failed. Cause: ' + JSON.stringify(err));
    return;
  }
  console.info('Operation successful.');
});

defaultAppMgr.setDefaultApplication("image/png", {
  bundleName: "com.example.myapplication",
  moduleName: "module01",
  abilityName: "EntryAbility"
}, (err: BusinessError, data) => {
  if (err) {
    console.error('Operation failed. Cause: ' + JSON.stringify(err));
    return;
  }
  console.info('Operation successful.');
});

defaultAppMgr.setDefaultApplicationSync10+

setDefaultApplicationSync(type: string, elementName: ElementName, userId?: number): void;

Sets the default application based on the application type defined in the system or the file type that complies with the media type format (type/subtype). This API is a synchronous API.

Required permissions: ohos.permission.SET_DEFAULT_APPLICATION

System capability: SystemCapability.BundleManager.BundleFramework.DefaultApp

System API: This is a system API.

Parameters

Name Type Mandatory Description
type string Yes Type of the target application. It must be set to a value defined by ApplicationType or a file type that complies with the media type format.
elementName ElementName Yes Information about the element to be set as the default application.
userId number No User ID. The default value is the user ID of the caller.

Error codes

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

ID Error Message
17700004 The specified user ID is not found.
17700025 The specified type is invalid.
17700028 The specified ability does not match the type.

Example

import defaultAppMgr from '@ohos.bundle.defaultAppManager';
try {
  defaultAppMgr.setDefaultApplicationSync(defaultAppMgr.ApplicationType.BROWSER, {
  bundleName: "com.example.myapplication",
  moduleName: "module01",
  abilityName: "EntryAbility"
});
  console.info('Operation successful.');
} catch(error) {
  console.error('Operation failed. Cause: ' + JSON.stringify(error));
};

let userId = 100;
try {
  defaultAppMgr.setDefaultApplicationSync(defaultAppMgr.ApplicationType.BROWSER, {
  bundleName: "com.example.myapplication",
  moduleName: "module01",
  abilityName: "EntryAbility"
}, userId);
  console.info('Operation successful.');
} catch(error) {
  console.error('Operation failed. Cause: ' + JSON.stringify(error));
};

try {
  defaultAppMgr.setDefaultApplicationSync("image/png", {
  bundleName: "com.example.myapplication",
  moduleName: "module01",
  abilityName: "EntryAbility"
}, userId);
  console.info('Operation successful.');
} catch(error) {
  console.error('Operation failed. Cause: ' + JSON.stringify(error));
};

defaultAppMgr.resetDefaultApplication

resetDefaultApplication(type: string, userId?: number): Promise<void>

Resets the default application based on a system-defined application type or a file type that complies with the media type format (either specified by type or subtype). This API uses a promise to return the result.

Required permissions: ohos.permission.SET_DEFAULT_APPLICATION

System capability: SystemCapability.BundleManager.BundleFramework.DefaultApp

System API: This is a system API.

Parameters

Name Type Mandatory Description
type string Yes Type of the target application. It must be set to a value defined by ApplicationType or a file type that complies with the media type format.
userId number No User ID. The default value is the user ID of the caller.

Error codes

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

ID Error Message
17700004 The specified user ID is not found.
17700025 The specified type is invalid.

Example

import defaultAppMgr from '@ohos.bundle.defaultAppManager';
import { BusinessError } from '@ohos.base';

let userId = 100;
defaultAppMgr.resetDefaultApplication(defaultAppMgr.ApplicationType.BROWSER, userId)
  .then((data) => {
    console.info('Operation successful.');
  })
  .catch((error: BusinessError) => {
    console.error('Operation failed. Cause: ' + JSON.stringify(error));
  });

defaultAppMgr.resetDefaultApplication("image/png", userId)
  .then((data) => {
    console.info('Operation successful.');
  })
  .catch((error: BusinessError) => {
    console.error('Operation failed. Cause: ' + JSON.stringify(error));
  });

defaultAppMgr.resetDefaultApplication

resetDefaultApplication(type: string, userId: number, callback: AsyncCallback<void>) : void;

Resets the default application for a user based on a system-defined application type or a file type that complies with the media type format (either specified by type or subtype). This API uses an asynchronous callback to return the result.

Required permissions: ohos.permission.SET_DEFAULT_APPLICATION

System capability: SystemCapability.BundleManager.BundleFramework.DefaultApp

System API: This is a system API.

Parameters

Name Type Mandatory Description
type string Yes Type of the target application. It must be set to a value defined by ApplicationType or a file type that complies with the media type format.
userId number Yes User ID.
callback AsyncCallback<void> Yes Callback used to return the result.

Error codes

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

ID Error Message
17700004 The specified user ID is not found.
17700025 The specified type is invalid.

Example

import defaultAppMgr from '@ohos.bundle.defaultAppManager';
import { BusinessError } from '@ohos.base';

let userId = 100;
defaultAppMgr.resetDefaultApplication(defaultAppMgr.ApplicationType.BROWSER, userId, (err: BusinessError, data) => {
  if (err) {
    console.error('Operation failed. Cause: ' + JSON.stringify(err));
    return;
  }
  console.info('Operation successful.');
});

defaultAppMgr.resetDefaultApplication("image/png", userId, (err: BusinessError, data) => {
  if (err) {
    console.error('Operation failed. Cause: ' + JSON.stringify(err));
    return;
  }
  console.info('Operation successful.');
});

defaultAppMgr.resetDefaultApplication

resetDefaultApplication(type: string, callback: AsyncCallback<void>) : void;

Resets the default application based on a system-defined application type or a file type that complies with the media type format (either specified by type or subtype). This API uses an asynchronous callback to return the result.

Required permissions: ohos.permission.SET_DEFAULT_APPLICATION

System capability: SystemCapability.BundleManager.BundleFramework.DefaultApp

System API: This is a system API.

Parameters

Name Type Mandatory Description
type string Yes Type of the target application. It must be set to a value defined by ApplicationType or a file type that complies with the media type format.
callback AsyncCallback<void> Yes Callback used to return the result.

Error codes

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

ID Error Message
17700025 The specified type is invalid.

Example

import defaultAppMgr from '@ohos.bundle.defaultAppManager';
import { BusinessError } from '@ohos.base';

defaultAppMgr.resetDefaultApplication(defaultAppMgr.ApplicationType.BROWSER, (err: BusinessError, data) => {
  if (err) {
    console.error('Operation failed. Cause: ' + JSON.stringify(err));
    return;
  }
  console.info('Operation successful.');
});

defaultAppMgr.resetDefaultApplication("image/png", (err: BusinessError, data) => {
  if (err) {
    console.error('Operation failed. Cause: ' + JSON.stringify(err));
    return;
  }
  console.info('Operation successful.');
});

defaultAppMgr.resetDefaultApplicationSync10+

resetDefaultApplicationSync(type: string, userId?: number): void;

Resets the default application based on the application type defined in the system or the file type that complies with the media type format (type/subtype). This API is a synchronous API.

Required permissions: ohos.permission.SET_DEFAULT_APPLICATION

System capability: SystemCapability.BundleManager.BundleFramework.DefaultApp

System API: This is a system API.

Parameters

Name Type Mandatory Description
type string Yes Type of the target application. It must be set to a value defined by ApplicationType or a file type that complies with the media type format.
userId number No User ID. The default value is the user ID of the caller.

Error codes

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

ID Error Message
17700004 The specified user ID is not found.
17700025 The specified type is invalid.

Example

import defaultAppMgr from '@ohos.bundle.defaultAppManager';

let userId = 100;
try {
  defaultAppMgr.resetDefaultApplicationSync(defaultAppMgr.ApplicationType.BROWSER, userId);
  console.info('Operation successful.');
} catch(error) {
  console.error('Operation failed. Cause: ' + JSON.stringify(error));
};

try {
  defaultAppMgr.resetDefaultApplicationSync("image/png", userId);
  console.info('Operation successful.');
} catch(error) {
  console.error('Operation failed. Cause: ' + JSON.stringify(error));
};

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