# Resource Management - [Imported Modules](#en-us_topic_0000001150318493_s56d19203690d4782bfc74069abb6bd71) - [Permissions](#en-us_topic_0000001150318493_section11257113618419) - [Methods](#en-us_topic_0000001150318493_section125675489541) - [getResourceManager](#en-us_topic_0000001150318493_section192192415554) - [getResourceManager](#en-us_topic_0000001150318493_section46989284018) - [getResourceManager](#en-us_topic_0000001150318493_section0543541673) - [getResourceManager](#en-us_topic_0000001150318493_section1816951410716) - [Enum](#en-us_topic_0000001150318493_section1978842154715) - [Direction](#en-us_topic_0000001150318493_section099619567453) - [DeviceType](#en-us_topic_0000001150318493_section4734636131914) - [ScreenDensity](#en-us_topic_0000001150318493_section7331173812197) - [Appendix](#en-us_topic_0000001150318493_section1933416317165) - [AsyncCallback](#en-us_topic_0000001150318493_section256244135613) - [Configuration](#en-us_topic_0000001150318493_section12882825611) - [Attributes](#en-us_topic_0000001150318493_section1059684317312) - [DeviceCapability](#en-us_topic_0000001150318493_section7200123494410) - [Attributes](#en-us_topic_0000001150318493_section2201153419440) - [ResourceManager](#en-us_topic_0000001150318493_section137771134135415) - [getString](#en-us_topic_0000001150318493_section9779153419548) - [getString](#en-us_topic_0000001150318493_section159261924165411) - [getStringArray](#en-us_topic_0000001150318493_section4490132775420) - [getStringArray](#en-us_topic_0000001150318493_section1992322017541) - [getMedia](#en-us_topic_0000001150318493_section6710152513409) - [getMedia](#en-us_topic_0000001150318493_section6711152517409) - [getMediaBase64](#en-us_topic_0000001150318493_section11402326194315) - [getMediaBase64](#en-us_topic_0000001150318493_section6404726124312) - [getConfiguration](#en-us_topic_0000001150318493_section8123152874015) - [getConfiguration](#en-us_topic_0000001150318493_section312515284406) - [getDeviceCapability](#en-us_topic_0000001150318493_section104951210135017) - [getDeviceCapability](#en-us_topic_0000001150318493_section114961410115013) - [getPluralString](#en-us_topic_0000001150318493_section1549163064013) - [getPluralString](#en-us_topic_0000001150318493_section165183015405) ## Imported Modules ``` import resmgr from '@ohos.resmgr'; ``` ## Permissions None. ## Methods ## getResourceManager Obtains the **ResourceManager** object of the current application. **Parameters**

Name	Type	Mandatory	Description
callback	AsyncCallback<ResourceManager>	Yes	Indicates the callback containing the ResourceManager object.

**Return Values** None. **Example** ``` resmgr.getResourceManager((error, mgr) => { // callback mgr.getString(0x1000000, (error, value) => { if (error != null) { console.log(value); } else { console.log(value); } }); // promise mgr.getString(0x1000000).then(value => { console.log(value); }).catch(error => { console.log("getstring promise " + error); }); } ``` ## getResourceManager Obtains the **ResourceManager** object of the specified application. **Parameters**

Name	Type	Mandatory	Description
bundleName	string	Yes	Indicates the bundle name of the specified application.
callback	AsyncCallback<ResourceManager>	Yes	Indicates the callback containing the ResourceManager object.

**Return Values** None. **Example** ``` resmgr.getResourceManager("com.example.myapplication", (error, mgr) => { } ``` ## getResourceManager Obtains the **ResourceManager** object of the current application. **Parameters** None. **Return Values**

Type	Description
Promise<ResourceManager>	Indicates that the ResourceManager object is returned in Promise mode.

**Example** ``` resmgr.getResourceManager().then(mgr => { // callback mgr.getString(0x1000000, (error, value) => { if (error != null) { console.log(value); } else { console.log(value); } }); // promise mgr.getString(0x1000000).then(value => { console.log(value); }).catch(error => { console.log("getstring promise " + error); }); }).catch(error => { }); ``` ## getResourceManager Obtains the **ResourceManager** object of the specified application. **Parameters**

Name	Type	Mandatory	Description
bundleName	string	Yes	Indicates the bundle name of the specified application.

**Return Values**

Type	Description
Promise<ResourceManager>	Indicates that the ResourceManager object is returned in Promise mode.

**Example** ``` resmgr.getResourceManager("com.example.myapplication").then(mgr => { }).catch(error => { }); ``` ## Enum ## Direction Enumerates screen directions

Name	Default Value	Description
DIRECTION_VERTICAL	0	Indicates the vertical direction.
DIRECTION_HORIZONTAL	1	Indicates the horizontal direction.

## DeviceType Enumerates device types.

Name	Default Value	Description
DEVICE_TYPE_PHONE	0x00	Indicates a phone.
DEVICE_TYPE_TABLET	0x01	Indicates a tablet.
DEVICE_TYPE_CAR	0x02	Indicates a head unit.
DEVICE_TYPE_PC	0x03	Indicates a PC.
DEVICE_TYPE_TV	0x04	Indicates a smart TV.
DEVICE_TYPE_WEARABLE	0x06	Indicates a wearable.

## ScreenDensity Enumerates screen density types.

Name	Default Value	Description
SCREEN_SDPI	120	Indicates small screen density.
SCREEN_MDPI	160	Indicates medium screen density.
SCREEN_LDPI	240	Indicates large screen density.
SCREEN_XLDPI	320	Indicates extra-large screen density.
SCREEN_XXLDPI	480	Indicates extra-extra-large screen density.
SCREEN_XXXLDPI	640	Indicates extra-extra-extra-large screen density.

## Appendix ## AsyncCallback

Name	Parameter Type	Mandatory	Description
error	Error	No	Returns an error if an exception is thrown during execution; returns an empty value otherwise.
data	T	No	Returns a T object if the execution is successful; returns an empty value otherwise.

## Configuration Provides the device configuration. ### Attributes

Name	Parameter Type	Readable	Writable	Description
direction	Direction	Yes	No	Indicates the screen direction of the current device.
locale	string	Yes	No	Indicates the current system language, for example, zh-Hans-CN.

## DeviceCapability Provides the device capability. ### Attributes

Name	Parameter Type	Readable	Writable	Description
screenDensity	ScreenDensity	Yes	No	Indicates the screen density of the current device.
deviceType	DeviceType	Yes	No	Indicates the type of the current device.

## ResourceManager Provides the capability of accessing application resources. ### getString Obtains the character string corresponding to a specified resource ID in callback mode. **Parameters**

Name	Type	Mandatory	Description
resId	number	Yes	Indicates the resource ID.
callback	AsyncCallback<string>	Yes	Indicates the asynchronous callback used to return the obtained character string.

**Return Values** None. ### getString Obtains string resources associated with a specified resource ID in Promise mode. **Parameters**

Name	Type	Mandatory	Description
resId	number	Yes	Indicates the resource ID.

**Return Values**

Type	Description
Promise<string>	Indicates the character string corresponding to the resource ID.

### getStringArray Obtains the array of character strings corresponding to a specified resource ID in callback mode. **Parameters**

Name	Type	Mandatory	Description
resId	number	Yes	Indicates the resource ID.
callback	AsyncCallback<Array<string>>	Yes	Indicates the asynchronous callback used to return the obtained array of character strings.

**Return Values** None. ### getStringArray Obtains the array of character strings corresponding to a specified resource ID in Promise mode. **Parameters**

Name	Type	Mandatory	Description
resId	number	Yes	Indicates the resource ID.

**Return Values**

Type	Description
Promise<Array<string>>	Indicates the array of character strings corresponding to the specified resource ID.

### getMedia Obtains the content of the media file corresponding to a specified resource ID in callback mode. **Parameters**

Name	Type	Mandatory	Description
resId	number	Yes	Indicates the resource ID.
callback	AsyncCallback<Array<Uint8Array>>	Yes	Indicates the asynchronous callback used to return the obtained media file content.

**Return Values** None. ### getMedia Obtains the content of the media file corresponding to a specified resource ID in Promise mode. **Parameters**

Name	Type	Mandatory	Description
resId	number	Yes	Indicates the resource ID.

**Return Values**

Type	Description
Promise<Array<Uint8Array>>	Indicates the content of the media file corresponding to the specified resource ID.

### getMediaBase64 Obtains the Base64 code of the image resource corresponding to the specified resource ID in callback mode. **Parameters**

Name	Type	Mandatory	Description
resId	number	Yes	Indicates the resource ID.
callback	AsyncCallback<string>	Yes	Indicates the asynchronous callback used to return the obtained Base64 code of the image resource.

**Return Values** None. ### getMediaBase64 Obtains the Base64 code of the image resource corresponding to the specified resource ID in Promise mode. **Parameters**

Name	Type	Mandatory	Description
resId	number	Yes	Indicates the resource ID.

**Return Values**

Type	Description
Promise<string>	Indicates the Base64 code of the image resource corresponding to the specified resource ID.

### getConfiguration Obtains the device configuration in callback mode. **Parameters**

Name	Type	Mandatory	Description
callback	AsyncCallback<Configuration>	Yes	Indicates the asynchronous callback used to return the obtained device configuration.

**Return Values** None. ### getConfiguration Obtains the device configuration in Promise mode. **Parameters** None. **Return Values**

Type	Description
Promise<Configuration>	Indicates the device configuration.

### getDeviceCapability Obtains the device capability in callback mode. **Parameters**

Name	Type	Mandatory	Description
callback	AsyncCallback<DeviceCapability>	Yes	Indicates the asynchronous callback used to return the obtained device capability.

**Return Values** None. ### getDeviceCapability Obtains the device capability in Promise mode. **Parameters** None. **Return Values**

Type	Description
Promise<DeviceCapability>	Indicates the device capability.

**Return Values** None. ### getPluralString Obtains the singular-plural character string represented by the ID string corresponding to the specified number in callback mode. **Parameters**

Name	Type	Mandatory	Description
resId	number	Yes	Indicates the resource ID.
num:	number	Yes	Indicates the number.
callback	AsyncCallback<string>	Yes	Indicates the asynchronous callback used to return the singular-plural character string represented by the ID string corresponding to the specified number.

**Return Values** None. ### getPluralString Obtains the singular-plural character string represented by the ID string corresponding to the specified number in Promise mode. **Parameters**

Name	Type	Mandatory	Description
resId	number	Yes	Indicates the resource ID.
num:	number	Yes	Indicates the number.

**Return Values**

Type	Description
Promise<string>	Indicates the singular-plural character string represented by the ID string corresponding to the specified number.