@ohos.app.ability.application (Application)

You can use this module to create a Context.

NOTE

The initial APIs of this module are supported since API version 12. Newly added APIs will be marked with a superscript to indicate their earliest API version. The APIs of this module can be used only in the stage model.

Modules to Import

import { application } from '@kit.AbilityKit';

application.createModuleContext¹²⁺

createModuleContext(context: Context, moduleName: string): Promise<Context>

Creates the context for a module.

Atomic service API: This API can be used in atomic services since API version 12.

System capability: SystemCapability.Ability.AbilityRuntime.Core

Parameters

Name	Type	Mandatory	Description
context	Context	Yes	Application context.
moduleName	string	Yes	Module name.

Return value

Type	Description
Promise<Context>	Promise used to return the context created.

Error codes

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

ID	Error Message
401	Parameter error. Possible causes: 1.Mandatory parameters are left unspecified. 2.Incorrect parameter types.

Example

import { AbilityConstant, UIAbility, application, common, Want } from '@kit.AbilityKit';
import { BusinessError } from '@kit.BasicServicesKit';

export default class EntryAbility extends UIAbility {
  onCreate(want: Want, launchParam: AbilityConstant.LaunchParam): void {
    let moduleContext: common.Context;
    try {
      application.createModuleContext(this.context, 'entry').then((data: Context) => {
        moduleContext = data;
        console.info('createBundleContext success!');
      }).catch((error: BusinessError) => {
        let code: number = (error as BusinessError).code;
        let message: string = (error as BusinessError).message;
        console.error(`createModuleContext failed, error.code: ${code}, error.message: ${message}`);
      });
    } catch (error) {
      let code: number = (error as BusinessError).code;
      let message: string = (error as BusinessError).message;
      console.error(`createModuleContext failed, error.code: ${code}, error.message: ${message}`);
    }
  }
}

application.getApplicationContext¹⁴⁺

getApplicationContext(): ApplicationContext

Obtains the application context.

NOTE

The application context obtained through this API can only be used to obtain the corresponding application information and all sandbox paths.

Atomic service API: This API can be used in atomic services since API version 14.

System capability: SystemCapability.Ability.AbilityRuntime.Core

Return value

Type	Description
ApplicationContext	Application context obtained.

Error codes

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

ID	Error Message
16000050	Internal error.

Example

import { AbilityConstant, UIAbility, application, Want } from '@kit.AbilityKit';
import { BusinessError } from '@kit.BasicServicesKit';

export default class EntryAbility extends UIAbility {
  onCreate(want: Want, launchParam: AbilityConstant.LaunchParam): void {
    try {
      let applicationContext = application.getApplicationContext();
    } catch (error) {
      let code: number = (error as BusinessError).code;
      let message: string = (error as BusinessError).message;
      console.error(`getApplicationContext failed, error.code: ${code}, error.message: ${message}`);
    }
  }
}

application.createPluginModuleContext¹⁹⁺

createPluginModuleContext(context: Context, pluginBundleName: string, pluginModuleName: string): Promise<Context>

Creates the context of a plugin under the current application based on the context, plugin bundle name, and plugin module name, so as to obtain the basic information about the plugin. This API uses a promise to return the result.

System capability: SystemCapability.Ability.AbilityRuntime.Core

Parameters

Name	Type	Mandatory	Description
context	Context	Yes	Application context.
pluginBundleName	string	Yes	Bundle name of the plugin.
pluginModuleName	string	Yes	Module name of the plugin.

Return value

Type	Description
Promise<Context>	Promise used to return the context created.

Error codes

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

ID	Error Message
401	Parameter error. Possible causes: 1.Mandatory parameters are left unspecified. 2.Incorrect parameter types.

Example

import { AbilityConstant, UIAbility, application, common, Want } from '@kit.AbilityKit';
import { BusinessError } from '@kit.BasicServicesKit';

export default class EntryAbility extends UIAbility {
  onCreate(want: Want, launchParam: AbilityConstant.LaunchParam): void {
    let moduleContext: common.Context;
    try {
      application.createPluginModuleContext(this.context, 'pluginBundleName', 'pluginModuleName')
        .then((data: Context) => {
          moduleContext = data;
          console.info('createPluginModuleContext success!');
        })
        .catch((error: BusinessError) => {
          let code: number = (error as BusinessError).code;
          let message: string = (error as BusinessError).message;
          console.error(`createPluginModuleContext failed, error.code: ${code}, error.message: ${message}`);
        });
    } catch (error) {
      let code: number = (error as BusinessError).code;
      let message: string = (error as BusinessError).message;
      console.error(`createPluginModuleContext failed, error.code: ${code}, error.message: ${message}`);
    }
  }
}