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