UIAbilityContext (系统接口)
UIAbilityContext是需要保存状态的UIAbility所对应的context,继承自Context,提供UIAbility的相关配置信息以及操作UIAbility和ServiceExtensionAbility的方法,如启动UIAbility,停止当前UIAbilityContext所属的UIAbility,启动、停止、连接、断开连接ServiceExtensionAbility等。
说明:
- 本模块首批接口从API version 9开始支持。后续版本的新增接口,采用上角标单独标记接口的起始版本。
- 本模块接口仅可在Stage模型下使用。
- 本模块接口需要在主线程中使用,不要在Worker、TaskPool等子线程中使用。
- 本模块接口为系统接口。
导入模块
import common from '@ohos.app.ability.common';
关于示例代码的说明:
在本文档的示例中,通过
this.context
来获取UIAbilityContext
,其中this
代表继承自UIAbility
的UIAbility
实例。如需要在页面中使用UIAbilityContext
提供的能力,请参见获取UIAbility的上下文信息。
UIAbilityContext.startAbilityForResultWithAccount
startAbilityForResultWithAccount(want: Want, accountId: number, callback: AsyncCallback<AbilityResult>): void
启动一个Ability并在该Ability销毁时返回执行结果(callback形式)。
说明:
组件启动规则详见:组件启动规则(Stage模型)。
说明:
当accountId为当前用户时,不需要校验该权限。
需要权限: ohos.permission.INTERACT_ACROSS_LOCAL_ACCOUNTS
系统能力:SystemCapability.Ability.AbilityRuntime.Core
系统API: 此接口为系统接口,三方应用不支持调用。
参数:
参数名 | 类型 | 必填 | 说明 |
---|---|---|---|
want | Want | 是 | 启动Ability的want信息。 |
accountId | number | 是 | 系统帐号的帐号ID,详情参考getCreatedOsAccountsCount。 |
callback | AsyncCallback<AbilityResult> | 是 | 启动Ability的回调函数,返回Ability结果。 |
错误码:
错误码ID | 错误信息 |
---|---|
16000001 | The specified ability does not exist. |
16000002 | Incorrect ability type. |
16000004 | Can not start invisible component. |
16000005 | The specified process does not have the permission. |
16000006 | Cross-user operations are not allowed. |
16000008 | The crowdtesting application expires. |
16000009 | An ability cannot be started or stopped in Wukong mode. |
16000010 | The call with the continuation flag is forbidden. |
16000011 | The context does not exist. |
16000012 | The application is controlled. |
16000013 | The application is controlled by EDM. |
16000050 | Internal error. |
16000053 | The ability is not on the top of the UI. |
16000055 | Installation-free timed out. |
16200001 | The caller has been released. |
错误码详细介绍请参考元能力子系统错误码。
示例:
import UIAbility from '@ohos.app.ability.UIAbility';
import common from '@ohos.app.ability.common';
import Want from '@ohos.app.ability.Want';
import { BusinessError } from '@ohos.base';
export default class EntryAbility extends UIAbility {
onForeground() {
let want: Want = {
deviceId: '',
bundleName: 'com.example.myapplication',
abilityName: 'EntryAbility'
};
let accountId = 100;
try {
this.context.startAbilityForResultWithAccount(want, accountId, (err: BusinessError, result: common.AbilityResult) => {
if (err.code) {
// 处理业务逻辑错误
console.error(`startAbilityForResultWithAccount failed, code is ${err.code}, message is ${err.message}`);
return;
}
// 执行正常业务
console.info('startAbilityForResultWithAccount succeed');
});
} catch (err) {
// 处理入参错误异常
let code = (err as BusinessError).code;
let message = (err as BusinessError).message;
console.error(`startAbilityForResultWithAccount failed, code is ${code}, message is ${message}`);
}
}
}
UIAbilityContext.startAbilityForResultWithAccount
startAbilityForResultWithAccount(want: Want, accountId: number, options: StartOptions, callback: AsyncCallback<void>): void
启动一个Ability并在该Ability销毁时返回执行结果(callback形式)。
说明:
组件启动规则详见:组件启动规则(Stage模型)。
说明:
当accountId为当前用户时,不需要校验该权限。
需要权限: ohos.permission.INTERACT_ACROSS_LOCAL_ACCOUNTS
系统能力:SystemCapability.Ability.AbilityRuntime.Core
系统API: 此接口为系统接口,三方应用不支持调用。
参数:
参数名 | 类型 | 必填 | 说明 |
---|---|---|---|
want | Want | 是 | 启动Ability的want信息。 |
accountId | number | 是 | 系统帐号的帐号ID,详情参考getCreatedOsAccountsCount。 |
options | StartOptions | 是 | 启动Ability所携带的参数。 |
callback | AsyncCallback<void> | 是 | 启动Ability后,Ability被销毁时的回调函数。 |
错误码:
错误码ID | 错误信息 |
---|---|
16000001 | The specified ability does not exist. |
16000002 | Incorrect ability type. |
16000004 | Can not start invisible component. |
16000005 | The specified process does not have the permission. |
16000006 | Cross-user operations are not allowed. |
16000008 | The crowdtesting application expires. |
16000009 | An ability cannot be started or stopped in Wukong mode. |
16000010 | The call with the continuation flag is forbidden. |
16000011 | The context does not exist. |
16000012 | The application is controlled. |
16000013 | The application is controlled by EDM. |
16000050 | Internal error. |
16000053 | The ability is not on the top of the UI. |
16000055 | Installation-free timed out. |
16200001 | The caller has been released. |
错误码详细介绍请参考元能力子系统错误码。
示例:
import UIAbility from '@ohos.app.ability.UIAbility';
import Want from '@ohos.app.ability.Want';
import StartOptions from '@ohos.app.ability.StartOptions';
import { BusinessError } from '@ohos.base';
export default class EntryAbility extends UIAbility {
onForeground() {
let want: Want = {
deviceId: '',
bundleName: 'com.example.myapplication',
abilityName: 'EntryAbility'
};
let accountId = 100;
let options: StartOptions = {
displayId: 0
};
try {
this.context.startAbilityForResultWithAccount(want, accountId, options, (err: BusinessError) => {
if (err.code) {
// 处理业务逻辑错误
console.error(`startAbilityForResultWithAccount failed, code is ${err.code}, message is ${err.message}`);
return;
}
// 执行正常业务
console.info('startAbilityForResultWithAccount succeed');
});
} catch (err) {
// 处理入参错误异常
let code = (err as BusinessError).code;
let message = (err as BusinessError).message;
console.error(`startAbilityForResultWithAccount failed, code is ${code}, message is ${message}`);
}
}
}
UIAbilityContext.startAbilityForResultWithAccount
startAbilityForResultWithAccount(want: Want, accountId: number, options?: StartOptions): Promise<AbilityResult>
启动一个Ability并在该Ability销毁时返回执行结果(promise形式)。
说明:
组件启动规则详见:组件启动规则(Stage模型)。
说明:
当accountId为当前用户时,不需要校验该权限。
需要权限: ohos.permission.INTERACT_ACROSS_LOCAL_ACCOUNTS
系统能力:SystemCapability.Ability.AbilityRuntime.Core
系统API: 此接口为系统接口,三方应用不支持调用。
参数:
参数名 | 类型 | 必填 | 说明 |
---|---|---|---|
want | Want | 是 | 启动Ability的want信息。 |
accountId | number | 是 | 系统帐号的帐号ID,详情参考getCreatedOsAccountsCount。 |
options | StartOptions | 否 | 启动Ability所携带的参数。 |
返回值:
类型 | 说明 |
---|---|
Promise<AbilityResult> | Ability被销毁时的回调函数,包含AbilityResult参数。 |
错误码:
错误码ID | 错误信息 |
---|---|
16000001 | The specified ability does not exist. |
16000002 | Incorrect ability type. |
16000004 | Can not start invisible component. |
16000005 | The specified process does not have the permission. |
16000006 | Cross-user operations are not allowed. |
16000008 | The crowdtesting application expires. |
16000009 | An ability cannot be started or stopped in Wukong mode. |
16000010 | The call with the continuation flag is forbidden. |
16000011 | The context does not exist. |
16000012 | The application is controlled. |
16000013 | The application is controlled by EDM. |
16000050 | Internal error. |
16000053 | The ability is not on the top of the UI. |
16000055 | Installation-free timed out. |
16200001 | The caller has been released. |
错误码详细介绍请参考元能力子系统错误码。
示例:
import UIAbility from '@ohos.app.ability.UIAbility';
import common from '@ohos.app.ability.common';
import Want from '@ohos.app.ability.Want';
import StartOptions from '@ohos.app.ability.StartOptions';
import { BusinessError } from '@ohos.base';
export default class EntryAbility extends UIAbility {
onForeground() {
let want: Want = {
deviceId: '',
bundleName: 'com.example.myapplication',
abilityName: 'EntryAbility'
};
let accountId = 100;
let options: StartOptions = {
displayId: 0
};
try {
this.context.startAbilityForResultWithAccount(want, accountId, options)
.then((result: common.AbilityResult) => {
// 执行正常业务
console.info('startAbilityForResultWithAccount succeed');
})
.catch((err: BusinessError) => {
// 处理业务逻辑错误
console.error(`startAbilityForResultWithAccount failed, code is ${err.code}, message is ${err.message}`);
});
} catch (err) {
// 处理入参错误异常
let code = (err as BusinessError).code;
let message = (err as BusinessError).message;
console.error(`startAbilityForResultWithAccount failed, code is ${code}, message is ${message}`);
}
}
}
UIAbilityContext.startServiceExtensionAbility
startServiceExtensionAbility(want: Want, callback: AsyncCallback<void>): void
启动一个新的ServiceExtensionAbility(callback形式)。
系统能力:SystemCapability.Ability.AbilityRuntime.Core
系统API: 此接口为系统接口,三方应用不支持调用。
参数:
参数名 | 类型 | 必填 | 说明 |
---|---|---|---|
want | Want | 是 | 启动ServiceExtensionAbility的want信息。 |
callback | AsyncCallback<void> | 是 | 启动ServiceExtensionAbility的回调函数。 |
错误码:
错误码ID | 错误信息 |
---|---|
16000001 | The specified ability does not exist. |
16000002 | Incorrect ability type. |
16000004 | Can not start invisible component. |
16000005 | The specified process does not have the permission. |
16000006 | Cross-user operations are not allowed. |
16000008 | The crowdtesting application expires. |
16000011 | The context does not exist. |
16000012 | The application is controlled. |
16000013 | The application is controlled by EDM. |
16000050 | Internal error. |
16200001 | The caller has been released. |
错误码详细介绍请参考元能力子系统错误码。
示例:
import UIAbility from '@ohos.app.ability.UIAbility';
import Want from '@ohos.app.ability.Want';
import { BusinessError } from '@ohos.base';
export default class EntryAbility extends UIAbility {
onForeground() {
let want: Want = {
deviceId: '',
bundleName: 'com.example.myapplication',
abilityName: 'ServiceExtensionAbility'
};
try {
this.context.startServiceExtensionAbility(want, (error: BusinessError) => {
if (error.code) {
// 处理业务逻辑错误
console.error(`startServiceExtensionAbility failed, code is ${err.code}, message is ${err.message}`);
});
} catch (err) {
// 处理入参错误异常
let code = (err as BusinessError).code;
let message = (err as BusinessError).message;
console.error(`startServiceExtensionAbility failed, code is ${code}, message is ${message}`);
}
}
}
UIAbilityContext.startServiceExtensionAbility
startServiceExtensionAbility(want: Want): Promise<void>
启动一个新的ServiceExtensionAbility(Promise形式)。
系统能力:SystemCapability.Ability.AbilityRuntime.Core
系统API: 此接口为系统接口,三方应用不支持调用。
参数:
参数名 | 类型 | 必填 | 说明 |
---|---|---|---|
want | Want | 是 | 启动ServiceExtensionAbility的want信息。 |
错误码:
错误码ID | 错误信息 |
---|---|
16000001 | The specified ability does not exist. |
16000002 | Incorrect ability type. |
16000004 | Can not start invisible component. |
16000005 | The specified process does not have the permission. |
16000006 | Cross-user operations are not allowed. |
16000008 | The crowdtesting application expires. |
16000011 | The context does not exist. |
16000012 | The application is controlled. |
16000013 | The application is controlled by EDM. |
16000050 | Internal error. |
16200001 | The caller has been released. |
错误码详细介绍请参考元能力子系统错误码。
示例:
import UIAbility from '@ohos.app.ability.UIAbility';
import Want from '@ohos.app.ability.Want';
import { BusinessError } from '@ohos.base';
export default class EntryAbility extends UIAbility {
onForeground() {
let want: Want = {
deviceId: '',
bundleName: 'com.example.myapplication',
abilityName: 'ServiceExtensionAbility'
};
try {
this.context.startServiceExtensionAbility(want)
.then(() => {
// 执行正常业务
console.info('startServiceExtensionAbility succeed');
})
.catch((err: BusinessError) => {
// 处理业务逻辑错误
console.error(`startServiceExtensionAbility failed, code is ${err.code}, message is ${err.message}`);
});
} catch (err) {
// 处理入参错误异常
let code = (err as BusinessError).code;
let message = (err as BusinessError).message;
console.error(`startServiceExtensionAbility failed, code is ${code}, message is ${message}`);
}
}
}
UIAbilityContext.startServiceExtensionAbilityWithAccount
startServiceExtensionAbilityWithAccount(want: Want, accountId: number, callback: AsyncCallback<void>): void
启动一个新的ServiceExtensionAbility(callback形式)。
说明:
当accountId为当前用户时,不需要校验该权限。
需要权限: ohos.permission.INTERACT_ACROSS_LOCAL_ACCOUNTS
系统能力:SystemCapability.Ability.AbilityRuntime.Core
系统API: 此接口为系统接口,三方应用不支持调用。
参数:
参数名 | 类型 | 必填 | 说明 |
---|---|---|---|
want | Want | 是 | 启动ServiceExtensionAbility的want信息。 |
accountId | number | 是 | 系统帐号的帐号ID,详情参考getCreatedOsAccountsCount。 |
callback | AsyncCallback<void> | 是 | 启动ServiceExtensionAbility的回调函数。 |
错误码:
错误码ID | 错误信息 |
---|---|
16000001 | The specified ability does not exist. |
16000002 | Incorrect ability type. |
16000004 | Can not start invisible component. |
16000005 | The specified process does not have the permission. |
16000006 | Cross-user operations are not allowed. |
16000008 | The crowdtesting application expires. |
16000011 | The context does not exist. |
16000012 | The application is controlled. |
16000013 | The application is controlled by EDM. |
16000050 | Internal error. |
16200001 | The caller has been released. |
错误码详细介绍请参考元能力子系统错误码。
示例:
import UIAbility from '@ohos.app.ability.UIAbility';
import Want from '@ohos.app.ability.Want';
import { BusinessError } from '@ohos.base';
export default class EntryAbility extends UIAbility {
onForeground() {
let want: Want = {
deviceId: '',
bundleName: 'com.example.myapplication',
abilityName: 'ServiceExtensionAbility'
};
let accountId = 100;
try {
this.context.startServiceExtensionAbilityWithAccount(want, accountId, (err: BusinessError) => {
if (err.code) {
// 处理业务逻辑错误
console.error(`startServiceExtensionAbilityWithAccount failed, code is ${err.code}, message is ${err.message}`);
return;
}
// 执行正常业务
console.info('startServiceExtensionAbilityWithAccount succeed');
});
} catch (err) {
// 处理入参错误异常
let code = (err as BusinessError).code;
let message = (err as BusinessError).message;
console.error(`startServiceExtensionAbilityWithAccount failed, code is ${code}, message is ${message}`);
}
}
}
UIAbilityContext.startServiceExtensionAbilityWithAccount
startServiceExtensionAbilityWithAccount(want: Want, accountId: number): Promise<void>
启动一个新的ServiceExtensionAbility(Promise形式)。
说明:
当accountId为当前用户时,不需要校验该权限。
需要权限: ohos.permission.INTERACT_ACROSS_LOCAL_ACCOUNTS
系统能力:SystemCapability.Ability.AbilityRuntime.Core
系统API: 此接口为系统接口,三方应用不支持调用。
参数:
参数名 | 类型 | 必填 | 说明 |
---|---|---|---|
want | Want | 是 | 启动Ability的want信息。 |
accountId | number | 是 | 系统帐号的帐号ID,详情参考getCreatedOsAccountsCount。 |
错误码:
错误码ID | 错误信息 |
---|---|
16000001 | The specified ability does not exist. |
16000002 | Incorrect ability type. |
16000004 | Can not start invisible component. |
16000005 | The specified process does not have the permission. |
16000006 | Cross-user operations are not allowed. |
16000008 | The crowdtesting application expires. |
16000011 | The context does not exist. |
16000012 | The application is controlled. |
16000013 | The application is controlled by EDM. |
16000050 | Internal error. |
16200001 | The caller has been released. |
错误码详细介绍请参考元能力子系统错误码。
示例:
import UIAbility from '@ohos.app.ability.UIAbility';
import Want from '@ohos.app.ability.Want';
import { BusinessError } from '@ohos.base';
export default class EntryAbility extends UIAbility {
onForeground() {
let want: Want = {
deviceId: '',
bundleName: 'com.example.myapplication',
abilityName: 'ServiceExtensionAbility'
};
let accountId = 100;
try {
this.context.startServiceExtensionAbilityWithAccount(want, accountId)
.then(() => {
// 执行正常业务
console.info('startServiceExtensionAbilityWithAccount succeed');
})
.catch((err: BusinessError) => {
// 处理业务逻辑错误
console.error(`startServiceExtensionAbilityWithAccount failed, code is ${err.code}, message is ${err.message}`);
});
} catch (err) {
// 处理入参错误异常
let code = (err as BusinessError).code;
let message = (err as BusinessError).message;
console.error(`startServiceExtensionAbilityWithAccount failed, code is ${code}, message is ${message}`);
}
}
}
UIAbilityContext.stopServiceExtensionAbility
stopServiceExtensionAbility(want: Want, callback: AsyncCallback<void>): void
停止同一应用程序内的服务(callback形式)。
系统能力:SystemCapability.Ability.AbilityRuntime.Core
系统API: 此接口为系统接口,三方应用不支持调用。
参数:
参数名 | 类型 | 必填 | 说明 |
---|---|---|---|
want | Want | 是 | 停止ServiceExtensionAbility的want信息。 |
callback | AsyncCallback<void> | 是 | 停止ServiceExtensionAbility的回调函数。 |
错误码:
错误码ID | 错误信息 |
---|---|
16000001 | The specified ability does not exist. |
16000002 | Incorrect ability type. |
16000004 | Can not start invisible component. |
16000005 | The specified process does not have the permission. |
16000006 | Cross-user operations are not allowed. |
16000011 | The context does not exist. |
16000012 | The application is controlled. |
16000013 | The application is controlled by EDM. |
16000050 | Internal error. |
16200001 | The caller has been released. |
错误码详细介绍请参考元能力子系统错误码。
示例:
import UIAbility from '@ohos.app.ability.UIAbility';
import Want from '@ohos.app.ability.Want';
import { BusinessError } from '@ohos.base';
export default class EntryAbility extends UIAbility {
onForeground() {
let want: Want = {
deviceId: '',
bundleName: 'com.example.myapplication',
abilityName: 'ServiceExtensionAbility'
};
try {
this.context.stopServiceExtensionAbility(want, (err: BusinessError) => {
if (err.code) {
// 处理业务逻辑错误
console.error(`stopServiceExtensionAbility failed, code is ${err.code}, message is ${err.message}`);
return;
}
// 执行正常业务
console.info('stopServiceExtensionAbility succeed');
});
} catch (err) {
// 处理入参错误异常
let code = (err as BusinessError).code;
let message = (err as BusinessError).message;
console.error(`stopServiceExtensionAbility failed, code is ${code}, message is ${message}`);
}
}
}
UIAbilityContext.stopServiceExtensionAbility
stopServiceExtensionAbility(want: Want): Promise<void>
停止同一应用程序内的服务(Promise形式)。
系统能力:SystemCapability.Ability.AbilityRuntime.Core
系统API: 此接口为系统接口,三方应用不支持调用。
参数:
参数名 | 类型 | 必填 | 说明 |
---|---|---|---|
want | Want | 是 | 停止ServiceExtensionAbility的want信息。 |
错误码:
错误码ID | 错误信息 |
---|---|
16000001 | The specified ability does not exist. |
16000002 | Incorrect ability type. |
16000004 | Can not start invisible component. |
16000005 | The specified process does not have the permission. |
16000006 | Cross-user operations are not allowed. |
16000011 | The context does not exist. |
16000050 | Internal error. |
16200001 | The caller has been released. |
错误码详细介绍请参考元能力子系统错误码。
示例:
import UIAbility from '@ohos.app.ability.UIAbility';
import Want from '@ohos.app.ability.Want';
import { BusinessError } from '@ohos.base';
export default class EntryAbility extends UIAbility {
onForeground() {
let want: Want = {
deviceId: '',
bundleName: 'com.example.myapplication',
abilityName: 'ServiceExtensionAbility'
};
try {
this.context.stopServiceExtensionAbility(want)
.then(() => {
// 执行正常业务
console.info('stopServiceExtensionAbility succeed');
})
.catch((err: BusinessError) => {
// 处理业务逻辑错误
console.error(`stopServiceExtensionAbility failed, code is ${err.code}, message is ${err.message}`);
});
} catch (err) {
// 处理入参错误异常
let code = (err as BusinessError).code;
let message = (err as BusinessError).message;
console.error(`stopServiceExtensionAbility failed, code is ${code}, message is ${message}`);
}
}
}
UIAbilityContext.stopServiceExtensionAbilityWithAccount
stopServiceExtensionAbilityWithAccount(want: Want, accountId: number, callback: AsyncCallback<void>): void
停止同一应用程序内指定账户的服务(callback形式)。
说明:
当accountId为当前用户时,不需要校验该权限。
需要权限: ohos.permission.INTERACT_ACROSS_LOCAL_ACCOUNTS
系统能力:SystemCapability.Ability.AbilityRuntime.Core
系统API: 此接口为系统接口,三方应用不支持调用。
参数:
参数名 | 类型 | 必填 | 说明 |
---|---|---|---|
want | Want | 是 | 停止ServiceExtensionAbility的want信息。 |
accountId | number | 是 | 系统帐号的帐号ID,详情参考getCreatedOsAccountsCount。 |
callback | AsyncCallback<void> | 是 | 停止ServiceExtensionAbility的回调函数。 |
错误码:
错误码ID | 错误信息 |
---|---|
16000001 | The specified ability does not exist. |
16000002 | Incorrect ability type. |
16000004 | Can not start invisible component. |
16000005 | The specified process does not have the permission. |
16000006 | Cross-user operations are not allowed. |
16000011 | The context does not exist. |
16000050 | Internal error. |
16200001 | The caller has been released. |
错误码详细介绍请参考元能力子系统错误码。
示例:
import UIAbility from '@ohos.app.ability.UIAbility';
import Want from '@ohos.app.ability.Want';
import { BusinessError } from '@ohos.base';
export default class EntryAbility extends UIAbility {
onForeground() {
let want: Want = {
deviceId: '',
bundleName: 'com.example.myapplication',
abilityName: 'ServiceExtensionAbility'
};
let accountId = 100;
try {
this.context.stopServiceExtensionAbilityWithAccount(want, accountId, (err: BusinessError) => {
if (err.code) {
// 处理业务逻辑错误
console.error(`stopServiceExtensionAbilityWithAccount failed, code is ${err.code}, message is ${err.message}`);
return;
}
// 执行正常业务
console.info('stopServiceExtensionAbilityWithAccount succeed');
});
} catch (err) {
// 处理入参错误异常
let code = (err as BusinessError).code;
let message = (err as BusinessError).message;
console.error(`stopServiceExtensionAbilityWithAccount failed, code is ${code}, message is ${message}`);
}
}
}
UIAbilityContext.stopServiceExtensionAbilityWithAccount
stopServiceExtensionAbilityWithAccount(want: Want, accountId: number): Promise<void>
停止同一应用程序内指定账户的服务(Promise形式)。
说明:
当accountId为当前用户时,不需要校验该权限。
需要权限: ohos.permission.INTERACT_ACROSS_LOCAL_ACCOUNTS
系统能力:SystemCapability.Ability.AbilityRuntime.Core
系统API: 此接口为系统接口,三方应用不支持调用。
参数:
参数名 | 类型 | 必填 | 说明 |
---|---|---|---|
want | Want | 是 | 停止ServiceExtensionAbility的want信息。 |
accountId | number | 是 | 系统帐号的帐号ID,详情参考getCreatedOsAccountsCount。 |
错误码:
错误码ID | 错误信息 |
---|---|
16000001 | The specified ability does not exist. |
16000002 | Incorrect ability type. |
16000004 | Can not start invisible component. |
16000005 | The specified process does not have the permission. |
16000006 | Cross-user operations are not allowed. |
16000011 | The context does not exist. |
16000050 | Internal error. |
16200001 | The caller has been released. |
错误码详细介绍请参考元能力子系统错误码。
示例:
import UIAbility from '@ohos.app.ability.UIAbility';
import Want from '@ohos.app.ability.Want';
import { BusinessError } from '@ohos.base';
export default class EntryAbility extends UIAbility {
onForeground() {
let want: Want = {
deviceId: '',
bundleName: 'com.example.myapplication',
abilityName: 'ServiceExtensionAbility'
};
let accountId = 100;
try {
this.context.stopServiceExtensionAbilityWithAccount(want, accountId)
.then(() => {
// 执行正常业务
console.info('stopServiceExtensionAbilityWithAccount succeed');
})
.catch((err: BusinessError) => {
// 处理业务逻辑错误
console.error(`stopServiceExtensionAbilityWithAccount failed, code is ${err.code}, message is ${err.message}`);
});
} catch (err) {
// 处理入参错误异常
let code = (err as BusinessError).code;
let message = (err as BusinessError).message;
console.error(`stopServiceExtensionAbilityWithAccount failed, code is ${code}, message is ${message}`);
}
}
}
UIAbilityContext.connectServiceExtensionAbilityWithAccount
connectServiceExtensionAbilityWithAccount(want: Want, accountId: number, options: ConnectOptions): number
将当前Ability连接到一个使用AbilityInfo.AbilityType.SERVICE模板的指定account的Ability。
说明:
当accountId为当前用户时,不需要校验该权限。
需要权限: ohos.permission.INTERACT_ACROSS_LOCAL_ACCOUNTS
系统能力:SystemCapability.Ability.AbilityRuntime.Core
系统API: 此接口为系统接口,三方应用不支持调用。
参数:
参数名 | 类型 | 必填 | 说明 |
---|---|---|---|
want | Want | 是 | 启动Ability的want信息。 |
accountId | number | 是 | 系统帐号的帐号ID,详情参考getCreatedOsAccountsCount。 |
options | ConnectOptions | 是 | 与ServiceExtensionAbility建立连接后回调函数的实例。 |
返回值:
类型 | 说明 |
---|---|
number | 返回Ability连接的结果code。 |
错误码:
错误码ID | 错误信息 |
---|---|
16000001 | The specified ability does not exist. |
16000002 | Incorrect ability type. |
16000004 | Can not start invisible component. |
16000005 | The specified process does not have the permission. |
16000006 | Cross-user operations are not allowed. |
16000008 | The crowdtesting application expires. |
16000053 | The ability is not on the top of the UI. |
16000055 | Installation-free timed out. |
16000011 | The context does not exist. |
16000050 | Internal error. |
错误码详细介绍请参考元能力子系统错误码。
示例:
import UIAbility from '@ohos.app.ability.UIAbility';
import common from '@ohos.app.ability.common';
import Want from '@ohos.app.ability.Want';
import { BusinessError } from '@ohos.base';
import rpc from '@ohos.rpc';
export default class EntryAbility extends UIAbility {
onForeground() {
let want: Want = {
deviceId: '',
bundleName: 'com.example.myapplication',
abilityName: 'ServiceExtensionAbility'
};
let accountId = 100;
let commRemote: rpc.IRemoteObject;
let options: common.ConnectOptions = {
onConnect(elementName, remote) {
commRemote = remote;
console.info('onConnect...')
},
onDisconnect(elementName) {
console.info('onDisconnect...')
},
onFailed(code) {
console.info('onFailed...')
}
};
let connection: number;
try {
connection = this.context.connectServiceExtensionAbilityWithAccount(want, accountId, options);
} catch (err) {
// 处理入参错误异常
let code = (err as BusinessError).code;
let message = (err as BusinessError).message;
console.error(`connectServiceExtensionAbility failed, code is ${code}, message is ${message}`);
}
}
}
UIAbilityContext.startAbilityWithAccount
startAbilityWithAccount(want: Want, accountId: number, callback: AsyncCallback<void>): void
根据want和accountId启动Ability(callback形式)。
说明:
组件启动规则详见:组件启动规则(Stage模型)。
说明:
当accountId为当前用户时,不需要校验该权限。
需要权限: ohos.permission.INTERACT_ACROSS_LOCAL_ACCOUNTS
系统能力:SystemCapability.Ability.AbilityRuntime.Core
系统API: 此接口为系统接口,三方应用不支持调用。
参数:
参数名 | 类型 | 必填 | 说明 |
---|---|---|---|
want | Want | 是 | 启动Ability的want信息。 |
accountId | number | 是 | 系统帐号的帐号ID,详情参考getCreatedOsAccountsCount。 |
callback | AsyncCallback<void> | 是 | 启动Ability的回调函数。 |
错误码:
错误码ID | 错误信息 |
---|---|
16000001 | The specified ability does not exist. |
16000002 | Incorrect ability type. |
16000004 | Can not start invisible component. |
16000005 | The specified process does not have the permission. |
16000006 | Cross-user operations are not allowed. |
16000008 | The crowdtesting application expires. |
16000009 | An ability cannot be started or stopped in Wukong mode. |
16000010 | The call with the continuation flag is forbidden. |
16000011 | The context does not exist. |
16000012 | The application is controlled. |
16000013 | The application is controlled by EDM. |
16000050 | Internal error. |
16000053 | The ability is not on the top of the UI. |
16000055 | Installation-free timed out. |
16200001 | The caller has been released. |
错误码详细介绍请参考元能力子系统错误码。
示例:
import UIAbility from '@ohos.app.ability.UIAbility';
import Want from '@ohos.app.ability.Want';
import { BusinessError } from '@ohos.base';
export default class EntryAbility extends UIAbility {
onForeground() {
let want: Want = {
deviceId: '',
bundleName: 'com.example.myapplication',
abilityName: 'EntryAbility'
};
let accountId = 100;
try {
this.context.startAbilityWithAccount(want, accountId, (err: BusinessError) => {
if (err.code) {
// 处理业务逻辑错误
console.error(`startAbilityWithAccount failed, code is ${err.code}, message is ${err.message}`);
return;
}
// 执行正常业务
console.info('startAbilityWithAccount succeed');
});
} catch (err) {
// 处理入参错误异常
let code = (err as BusinessError).code;
let message = (err as BusinessError).message;
console.error(`startAbilityWithAccount failed, code is ${code}, message is ${message}`);
}
}
}
UIAbilityContext.startAbilityWithAccount
startAbilityWithAccount(want: Want, accountId: number, options: StartOptions, callback: AsyncCallback<void>): void
根据want、accountId及startOptions启动Ability(callback形式)。
说明:
组件启动规则详见:组件启动规则(Stage模型)。
说明:
当accountId为当前用户时,不需要校验该权限。
需要权限: ohos.permission.INTERACT_ACROSS_LOCAL_ACCOUNTS
系统能力:SystemCapability.Ability.AbilityRuntime.Core
系统API: 此接口为系统接口,三方应用不支持调用。
参数:
参数名 | 类型 | 必填 | 说明 |
---|---|---|---|
want | Want | 是 | 启动Ability的want信息。 |
accountId | number | 是 | 系统帐号的帐号ID,详情参考getCreatedOsAccountsCount。 |
options | StartOptions | 是 | 启动Ability所携带的参数。 |
callback | AsyncCallback<void> | 是 | 启动Ability的回调函数。 |
错误码:
错误码ID | 错误信息 |
---|---|
16000001 | The specified ability does not exist. |
16000002 | Incorrect ability type. |
16000004 | Can not start invisible component. |
16000005 | The specified process does not have the permission. |
16000006 | Cross-user operations are not allowed. |
16000008 | The crowdtesting application expires. |
16000009 | An ability cannot be started or stopped in Wukong mode. |
16000010 | The call with the continuation flag is forbidden. |
16000011 | The context does not exist. |
16000012 | The application is controlled. |
16000013 | The application is controlled by EDM. |
16000050 | Internal error. |
16000053 | The ability is not on the top of the UI. |
16000055 | Installation-free timed out. |
16200001 | The caller has been released. |
错误码详细介绍请参考元能力子系统错误码。
示例:
import UIAbility from '@ohos.app.ability.UIAbility';
import Want from '@ohos.app.ability.Want';
import StartOptions from '@ohos.app.ability.StartOptions';
import { BusinessError } from '@ohos.base';
export default class EntryAbility extends UIAbility {
onForeground() {
let want: Want = {
deviceId: '',
bundleName: 'com.example.myapplication',
abilityName: 'EntryAbility'
};
let accountId = 100;
let options: StartOptions = {
displayId: 0
};
try {
this.context.startAbilityWithAccount(want, accountId, options, (err: BusinessError) => {
if (err.code) {
// 处理业务逻辑错误
console.error(`startAbilityWithAccount failed, code is ${err.code}, message is ${err.message}`);
return;
}
// 执行正常业务
console.info('startAbilityWithAccount succeed');
});
} catch (err) {
// 处理入参错误异常
let code = (err as BusinessError).code;
let message = (err as BusinessError).message;
console.error(`startAbilityWithAccount failed, code is ${code}, message is ${message}`);
}
}
}
UIAbilityContext.startAbilityWithAccount
startAbilityWithAccount(want: Want, accountId: number, options?: StartOptions): Promise<void>
根据want、accountId和startOptions启动Ability(Promise形式)。
说明:
组件启动规则详见:组件启动规则(Stage模型)。
说明:
当accountId为当前用户时,不需要校验该权限。
需要权限: ohos.permission.INTERACT_ACROSS_LOCAL_ACCOUNTS
系统能力:SystemCapability.Ability.AbilityRuntime.Core
系统API: 此接口为系统接口,三方应用不支持调用。
参数:
参数名 | 类型 | 必填 | 说明 |
---|---|---|---|
want | Want | 是 | 启动Ability的want信息。 |
accountId | number | 是 | 系统帐号的帐号ID,详情参考getCreatedOsAccountsCount。 |
options | StartOptions | 否 | 启动Ability所携带的参数。 |
错误码:
错误码ID | 错误信息 |
---|---|
16000001 | The specified ability does not exist. |
16000002 | Incorrect ability type. |
16000004 | Can not start invisible component. |
16000005 | The specified process does not have the permission. |
16000006 | Cross-user operations are not allowed. |
16000008 | The crowdtesting application expires. |
16000009 | An ability cannot be started or stopped in Wukong mode. |
16000010 | The call with the continuation flag is forbidden. |
16000011 | The context does not exist. |
16000012 | The application is controlled. |
16000013 | The application is controlled by EDM. |
16000050 | Internal error. |
16000053 | The ability is not on the top of the UI. |
16000055 | Installation-free timed out. |
16200001 | The caller has been released. |
错误码详细介绍请参考元能力子系统错误码。
示例:
import UIAbility from '@ohos.app.ability.UIAbility';
import Want from '@ohos.app.ability.Want';
import StartOptions from '@ohos.app.ability.StartOptions';
import { BusinessError } from '@ohos.base';
export default class EntryAbility extends UIAbility {
onForeground() {
let want: Want = {
deviceId: '',
bundleName: 'com.example.myapplication',
abilityName: 'EntryAbility'
};
let accountId = 100;
let options: StartOptions = {
displayId: 0
};
try {
this.context.startAbilityWithAccount(want, accountId, options)
.then(() => {
// 执行正常业务
console.info('startAbilityWithAccount succeed');
})
.catch((err: BusinessError) => {
// 处理业务逻辑错误
console.error(`startAbilityWithAccount failed, code is ${err.code}, message is ${err.message}`);
});
} catch (err) {
// 处理入参错误异常
let code = (err as BusinessError).code;
let message = (err as BusinessError).message;
console.error(`startAbilityWithAccount failed, code is ${code}, message is ${message}`);
}
}
}
UIAbilityContext.setMissionIcon
setMissionIcon(icon: image.PixelMap, callback: AsyncCallback<void>): void
设置当前ability在任务中显示的图标, 图标大小最大为600M(callback形式)。
系统能力:SystemCapability.Ability.AbilityRuntime.Core
系统API: 此接口为系统接口,三方应用不支持调用。
参数:
参数名 | 类型 | 必填 | 说明 |
---|---|---|---|
icon | image.PixelMap | 是 | 在最近的任务中显示的ability图标。 |
callback | AsyncCallback<void> | 是 | 指定的回调函数的结果。 |
错误码:
错误码ID | 错误信息 |
---|---|
16000011 | The context does not exist. |
16000050 | Internal error. |
错误码详细介绍请参考元能力子系统错误码。
示例:
import UIAbility from '@ohos.app.ability.UIAbility';
import { BusinessError } from '@ohos.base';
import image from '@ohos.multimedia.image';
export default class EntryAbility extends UIAbility {
onForeground() {
let imagePixelMap: image.PixelMap;
let color = new ArrayBuffer(0);
image.createPixelMap(color, {
size: {
height: 100,
width: 100
}
}).then((data) => {
imagePixelMap = data;
this.context.setMissionIcon(imagePixelMap, (err: BusinessError) => {
console.error(`setMissionLabel failed, code is ${err.code}, message is ${err.message}`);
})
})
.catch((err: BusinessError) => {
console.error(`createPixelMap failed, code is ${err.code}, message is ${err.message}`);
});
}
}
UIAbilityContext.setMissionIcon
setMissionIcon(icon: image.PixelMap): Promise<void>
设置当前ability在任务中显示的图标, 图标大小最大为600M(promise形式)。
系统能力:SystemCapability.Ability.AbilityRuntime.Core
系统API: 此接口为系统接口,三方应用不支持调用。
参数:
参数名 | 类型 | 必填 | 说明 |
---|---|---|---|
icon | image.PixelMap | 是 | 在最近的任务中显示的ability图标。 |
返回值:
类型 | 说明 |
---|---|
Promise<void> | 返回一个Promise,包含接口的结果。 |
错误码:
错误码ID | 错误信息 |
---|---|
16000011 | The context does not exist. |
16000050 | Internal error. |
错误码详细介绍请参考元能力子系统错误码。
示例:
import UIAbility from '@ohos.app.ability.UIAbility';
import { BusinessError } from '@ohos.base';
import image from '@ohos.multimedia.image';
export default class EntryAbility extends UIAbility {
onForeground() {
let imagePixelMap: image.PixelMap;
let color = new ArrayBuffer(0);
image.createPixelMap(color, {
size: {
height: 100,
width: 100
}
}).then((data) => {
imagePixelMap = data;
this.context.setMissionIcon(imagePixelMap)
.then(() => {
console.info('setMissionIcon succeed');
})
.catch((err: BusinessError) => {
console.error(`setMissionLabel failed, code is ${err.code}, message is ${err.message}`);
});
})
.catch((err: BusinessError) => {
console.error(`createPixelMap failed, code is ${err.code}, message is ${err.message}`);
});
}
}
UIAbilityContext.startRecentAbility
startRecentAbility(want: Want, callback: AsyncCallback<void>): void
启动一个指定的Ability,如果这个Ability有多个实例,将拉起最近启动的那个实例。启动结果以callback的形式返回开发者。
说明:
组件启动规则详见:组件启动规则(Stage模型)。
系统能力:SystemCapability.Ability.AbilityRuntime.Core
系统API: 此接口为系统接口,三方应用不支持调用。
参数:
参数名 | 类型 | 必填 | 说明 |
---|---|---|---|
want | Want | 是 | 需要启动Ability的want信息。 |
callback | AsyncCallback<void> | 是 | 指定的回调函数的结果。 |
错误码:
错误码详细介绍请参考元能力子系统错误码。
错误码ID | 错误信息 |
---|---|
16000001 | The specified ability does not exist. |
16000002 | Incorrect ability type. |
16000004 | Can not start invisible component. |
16000005 | The specified process does not have the permission. |
16000006 | Cross-user operations are not allowed. |
16000008 | The crowdtesting application expires. |
16000009 | An ability cannot be started or stopped in Wukong mode. |
16000010 | The call with the continuation flag is forbidden. |
16000011 | The context does not exist. |
16000012 | The application is controlled. |
16000013 | The application is controlled by EDM. |
16000050 | Internal error. |
16000053 | The ability is not on the top of the UI. |
16000055 | Installation-free timed out. |
16200001 | The caller has been released. |
示例:
import UIAbility from '@ohos.app.ability.UIAbility';
import Want from '@ohos.app.ability.Want';
import { BusinessError } from '@ohos.base';
export default class EntryAbility extends UIAbility {
onForeground() {
let want: Want = {
bundleName: 'com.example.myapplication',
abilityName: 'EntryAbility'
};
try {
this.context.startRecentAbility(want, (err: BusinessError) => {
if (err.code) {
// 处理业务逻辑错误
console.error(`startRecentAbility failed, code is ${err.code}, message is ${err.message}`);
return;
}
// 执行正常业务
console.info('startRecentAbility succeed');
});
} catch (err) {
// 处理入参错误异常
let code = (err as BusinessError).code;
let message = (err as BusinessError).message;
console.error(`startRecentAbility failed, code is ${code}, message is ${message}`);
}
}
}
UIAbilityContext.startRecentAbility
startRecentAbility(want: Want, options: StartOptions, callback: AsyncCallback<void>): void
启动一个指定的Ability,如果这个Ability有多个实例,将拉起最近启动的那个实例。启动结果以callback的形式返回开发者。 当开发者需要携带启动参数时可以选择此API。
说明:
组件启动规则详见:组件启动规则(Stage模型)。
系统能力:SystemCapability.Ability.AbilityRuntime.Core
系统API: 此接口为系统接口,三方应用不支持调用。
参数:
参数名 | 类型 | 必填 | 说明 |
---|---|---|---|
want | Want | 是 | 需要启动Ability的want信息。 |
options | StartOptions | 是 | 启动Ability所携带的参数。 |
callback | AsyncCallback<void> | 是 | 指定的回调函数的结果。 |
错误码:
错误码详细介绍请参考元能力子系统错误码。
错误码ID | 错误信息 |
---|---|
16000001 | The specified ability does not exist. |
16000002 | Incorrect ability type. |
16000004 | Can not start invisible component. |
16000005 | The specified process does not have the permission. |
16000006 | Cross-user operations are not allowed. |
16000008 | The crowdtesting application expires. |
16000009 | An ability cannot be started or stopped in Wukong mode. |
16000010 | The call with the continuation flag is forbidden. |
16000011 | The context does not exist. |
16000012 | The application is controlled. |
16000013 | The application is controlled by EDM. |
16000050 | Internal error. |
16000053 | The ability is not on the top of the UI. |
16000055 | Installation-free timed out. |
16200001 | The caller has been released. |
示例:
import UIAbility from '@ohos.app.ability.UIAbility';
import Want from '@ohos.app.ability.Want';
import StartOptions from '@ohos.app.ability.StartOptions';
import { BusinessError } from '@ohos.base';
export default class EntryAbility extends UIAbility {
onForeground() {
let want: Want = {
deviceId: '',
bundleName: 'com.example.myapplication',
abilityName: 'EntryAbility'
};
let options: StartOptions = {
displayId: 0
};
try {
this.context.startRecentAbility(want, options, (err: BusinessError) => {
if (err.code) {
// 处理业务逻辑错误
console.error(`startRecentAbility failed, code is ${err.code}, message is ${err.message}`);
return;
}
// 执行正常业务
console.info('startRecentAbility succeed');
});
} catch (err) {
// 处理入参错误异常
let code = (err as BusinessError).code;
let message = (err as BusinessError).message;
console.error(`startRecentAbility failed, code is ${code}, message is ${message}`);
}
}
}
UIAbilityContext.startRecentAbility
startRecentAbility(want: Want, options?: StartOptions): Promise<void>
启动一个指定的Ability,如果这个Ability有多个实例,将拉起最近启动的那个实例。 当开发者期望启动结果以Promise形式返回时可以选择此API。
说明:
组件启动规则详见:组件启动规则(Stage模型)。
系统能力:SystemCapability.Ability.AbilityRuntime.Core
系统API: 此接口为系统接口,三方应用不支持调用。
参数:
参数名 | 类型 | 必填 | 说明 |
---|---|---|---|
want | Want | 是 | 需要启动Ability的want信息。 |
options | StartOptions | 否 | 启动Ability所携带的参数。 |
错误码:
错误码详细介绍请参考元能力子系统错误码。
错误码ID | 错误信息 |
---|---|
16000001 | The specified ability does not exist. |
16000002 | Incorrect ability type. |
16000004 | Can not start invisible component. |
16000005 | The specified process does not have the permission. |
16000006 | Cross-user operations are not allowed. |
16000008 | The crowdtesting application expires. |
16000009 | An ability cannot be started or stopped in Wukong mode. |
16000010 | The call with the continuation flag is forbidden. |
16000011 | The context does not exist. |
16000012 | The application is controlled. |
16000013 | The application is controlled by EDM. |
16000050 | Internal error. |
16000053 | The ability is not on the top of the UI. |
16000055 | Installation-free timed out. |
16200001 | The caller has been released. |
示例:
import UIAbility from '@ohos.app.ability.UIAbility';
import Want from '@ohos.app.ability.Want';
import StartOptions from '@ohos.app.ability.StartOptions';
import { BusinessError } from '@ohos.base';
export default class EntryAbility extends UIAbility {
onForeground() {
let want: Want = {
bundleName: 'com.example.myapplication',
abilityName: 'EntryAbility'
};
let options: StartOptions = {
displayId: 0,
};
try {
this.context.startRecentAbility(want, options)
.then(() => {
// 执行正常业务
console.info('startRecentAbility succeed');
})
.catch((err: BusinessError) => {
// 处理业务逻辑错误
console.error(`startRecentAbility failed, code is ${err.code}, message is ${err.message}`);
});
} catch (err) {
// 处理入参错误异常
let code = (err as BusinessError).code;
let message = (err as BusinessError).message;
console.error(`startRecentAbility failed, code is ${code}, message is ${message}`);
}
}
}
UIAbilityContext.startAbilityByCallWithAccount10+
startAbilityByCallWithAccount(want: Want, accountId: number): Promise<Caller>
根据accountId对指定的Ability进行call调用,并且可以使用返回的Caller通信接口与被调用方进行通信。
使用规则:
- 跨用户场景下,Call调用目标Ability时,调用方应用需同时申请
ohos.permission.ABILITY_BACKGROUND_COMMUNICATION
与ohos.permission.INTERACT_ACROSS_LOCAL_ACCOUNTS
权限。 - 调用方应用位于后台时,使用该接口启动Ability需申请
ohos.permission.START_ABILITIES_FROM_BACKGROUND
权限。 - 跨应用场景下,目标Ability的exported属性若配置为false,调用方应用需申请
ohos.permission.START_INVISIBLE_ABILITY
权限。 - 同设备与跨设备场景下,该接口的使用规则存在差异,详见:组件启动规则(Stage模型)。
需要权限: ohos.permission.ABILITY_BACKGROUND_COMMUNICATION, ohos.permission.INTERACT_ACROSS_LOCAL_ACCOUNTS
系统能力:SystemCapability.Ability.AbilityRuntime.Core
系统API:此接口为系统接口,三方应用不支持调用。
参数:
参数名 | 类型 | 必填 | 说明 |
---|---|---|---|
want | Want | 是 | 传入需要启动的Ability的信息,包含abilityName、moduleName、bundleName、deviceId(可选)、parameters(可选),其中deviceId缺省或为空表示启动本地Ability,parameters缺省或为空表示后台启动Ability。 |
accountId | number | 是 | 系统帐号的帐号ID,-1表示当前活动用户,详情参考getCreatedOsAccountsCount。 |
返回值:
类型 | 说明 |
---|---|
Promise<Caller> | 获取要通讯的caller对象。 |
错误码:
错误码ID | 错误信息 |
---|---|
16000001 | The specified ability does not exist. |
16000002 | Incorrect ability type. |
16000004 | Can not start invisible component. |
16000005 | Static permission denied. The specified process does not have the permission. |
16000006 | Cross-user operations are not allowed. |
16000008 | The crowdtesting application expires. |
16000011 | The context does not exist. |
16000012 | The application is controlled. |
16000013 | The application is controlled by EDM. |
16000050 | Internal error. |
16200001 | The caller has been released. |
以上错误码详细介绍请参考元能力子系统错误码。
示例:
import UIAbility from '@ohos.app.ability.UIAbility';
import { Caller } from '@ohos.app.ability.UIAbility';
import Want from '@ohos.app.ability.Want';
import { BusinessError } from '@ohos.base';
export default class EntryAbility extends UIAbility {
onForeground() {
let caller: Caller;
// 系统账号的账号ID, -1表示当前激活用户
let accountId = -1;
// 指定启动的Ability
let want: Want = {
bundleName: 'com.acts.actscalleeabilityrely',
moduleName: 'entry',
abilityName: 'EntryAbility',
deviceId: '',
parameters: {
// 'ohos.aafwk.param.callAbilityToForeground' 值设置为true时为前台启动, 设置false或不设置为后台启动
'ohos.aafwk.param.callAbilityToForeground': true
}
};
try {
this.context.startAbilityByCallWithAccount(want, accountId)
.then((obj: Caller) => {
// 执行正常业务
caller = obj;
console.log('startAbilityByCallWithAccount succeed');
}).catch((error: BusinessError) => {
// 处理业务逻辑错误
console.error('startAbilityByCallWithAccount failed, error.code: ${error.code}, error.message: ${error.message}');
});
} catch (paramError) {
// 处理入参错误异常
console.error('error.code: ${paramError.code}, error.message: ${paramError.message}');
}
}
}
UIAbilityContext.startAbilityAsCaller10+
startAbilityAsCaller(want: Want, callback: AsyncCallback<void>): void
使用设置的caller信息启动一个Ability,caller信息由want携带,在系统服务层识别,Ability可以在onCreate生命周期的want参数中获取到caller信息。使用该接口启动一个Ability时,want的caller信息不会被当前自身的应用信息覆盖,系统服务层可获取到初始caller的信息。使用callback异步回调。
说明:
组件启动规则详见:组件启动规则(Stage模型)。
系统能力:SystemCapability.Ability.AbilityRuntime.Core
系统API:此接口为系统接口,三方应用不支持调用。
参数:
参数名 | 类型 | 必填 | 说明 |
---|---|---|---|
want | Want | 是 | 启动Ability的want信息。 |
callback | AsyncCallback<void> | 是 | 回调函数。当启动Ability成功,err为undefined,否则为错误对象。 |
错误码:
错误码ID | 错误信息 |
---|---|
16000001 | The specified ability does not exist. |
16000002 | Incorrect ability type. |
16000004 | Can not start invisible component. |
16000005 | The specified process does not have the permission. |
16000006 | Cross-user operations are not allowed. |
16000008 | The crowdtesting application expires. |
16000009 | An ability cannot be started or stopped in Wukong mode. |
16000010 | The call with the continuation flag is forbidden. |
16000011 | The context does not exist. |
16000012 | The application is controlled. |
16000013 | The application is controlled by EDM. |
16000050 | Internal error. |
16000053 | The ability is not on the top of the UI. |
16000055 | Installation-free timed out. |
16200001 | The caller has been released. |
错误码详细介绍请参考元能力子系统错误码。
示例:
import UIAbility from '@ohos.app.ability.UIAbility';
import AbilityConstant from '@ohos.app.ability.AbilityConstant';
import Want from '@ohos.app.ability.Want';
export default class EntryAbility extends UIAbility {
onCreate(want: Want, launchParam: AbilityConstant.LaunchParam) {
// want包含启动该应用的Caller信息
let localWant: Want = want;
localWant.bundleName = 'com.example.demo';
localWant.moduleName = 'entry';
localWant.abilityName = 'TestAbility';
// 使用启动方的Caller身份信息启动新Ability
this.context.startAbilityAsCaller(localWant, (err) => {
if (err && err.code != 0) {
console.error('startAbilityAsCaller failed, err:' + JSON.stringify(err));
} else {
console.log('startAbilityAsCaller success.');
}
})
}
}
UIAbilityContext.startAbilityAsCaller10+
startAbilityAsCaller(want: Want, options: StartOptions, callback: AsyncCallback<void>): void
使用设置的caller信息启动一个Ability,caller信息由want携带,在系统服务层识别,Ability可以在onCreate生命周期的want参数中获取到caller信息。使用该接口启动一个Ability时,want的caller信息不会被当前自身的应用信息覆盖,系统服务层可获取到初始caller的信息。使用callback异步回调。
说明:
组件启动规则详见:组件启动规则(Stage模型)。
系统能力:SystemCapability.Ability.AbilityRuntime.Core
系统API:此接口为系统接口,三方应用不支持调用。
参数:
参数名 | 类型 | 必填 | 说明 |
---|---|---|---|
want | Want | 是 | 启动Ability的want信息。 |
options | StartOptions | 是 | 启动Ability所携带的参数。 |
callback | AsyncCallback<void> | 是 | 回调函数。当启动Ability成功,err为undefined,否则为错误对象。 |
错误码:
错误码ID | 错误信息 |
---|---|
16000001 | The specified ability does not exist. |
16000004 | Can not start invisible component. |
16000005 | The specified process does not have the permission. |
16000006 | Cross-user operations are not allowed. |
16000008 | The crowdtesting application expires. |
16000009 | An ability cannot be started or stopped in Wukong mode. |
16000011 | The context does not exist. |
16000012 | The application is controlled. |
16000013 | The application is controlled by EDM. |
16000050 | Internal error. |
16000053 | The ability is not on the top of the UI. |
16000055 | Installation-free timed out. |
16200001 | The caller has been released. |
错误码详细介绍请参考元能力子系统错误码。
示例:
import UIAbility from '@ohos.app.ability.UIAbility';
import AbilityConstant from '@ohos.app.ability.AbilityConstant';
import StartOptions from '@ohos.app.ability.StartOptions';
import Want from '@ohos.app.ability.Want';
export default class EntryAbility extends UIAbility {
onCreate(want: Want, launchParam: AbilityConstant.LaunchParam) {
// want包含启动该应用的Caller信息
let localWant: Want = want;
localWant.bundleName = 'com.example.demo';
localWant.moduleName = 'entry';
localWant.abilityName = 'TestAbility';
let option: StartOptions = {
displayId: 0
}
// 使用启动方的Caller身份信息启动新Ability
this.context.startAbilityAsCaller(localWant, option, (err) => {
if (err && err.code != 0) {
console.error('startAbilityAsCaller failed, err:' + JSON.stringify(err));
} else {
console.log('startAbilityAsCaller success.');
}
})
}
}
UIAbilityContext.startAbilityAsCaller10+
startAbilityAsCaller(want: Want, options?: StartOptions): Promise<void>
使用设置的caller信息启动一个Ability,caller信息由want携带,在系统服务层识别,Ability可以在onCreate生命周期的want参数中获取到caller信息。使用该接口启动一个Ability时,want的caller信息不会被当前自身的应用信息覆盖,系统服务层可获取到初始caller的信息。使用Promise异步回调。
说明:
组件启动规则详见:组件启动规则(Stage模型)。
系统能力:SystemCapability.Ability.AbilityRuntime.Core
系统API:此接口为系统接口,三方应用不支持调用。
参数:
参数名 | 类型 | 必填 | 说明 |
---|---|---|---|
want | Want | 是 | 启动Ability的want信息。 |
options | StartOptions | 否 | 启动Ability所携带的参数。 |
返回值:
类型 | 说明 |
---|---|
Promise<void> | Promise对象。无返回结果的Promise对象。 |
错误码:
错误码ID | 错误信息 |
---|---|
16000001 | The specified ability does not exist. |
16000002 | Incorrect ability type. |
16000004 | Can not start invisible component. |
16000005 | The specified process does not have the permission. |
16000006 | Cross-user operations are not allowed. |
16000008 | The crowdtesting application expires. |
16000009 | An ability cannot be started or stopped in Wukong mode. |
16000010 | The call with the continuation flag is forbidden. |
16000011 | The context does not exist. |
16000012 | The application is controlled. |
16000013 | The application is controlled by EDM. |
16000050 | Internal error. |
16000053 | The ability is not on the top of the UI. |
16000055 | Installation-free timed out. |
16200001 | The caller has been released. |
错误码详细介绍请参考元能力子系统错误码。
示例:
import UIAbility from '@ohos.app.ability.UIAbility';
import AbilityConstant from '@ohos.app.ability.AbilityConstant';
import StartOptions from '@ohos.app.ability.StartOptions';
import Want from '@ohos.app.ability.Want';
import { BusinessError } from '@ohos.base';
export default class EntryAbility extends UIAbility {
onCreate(want: Want, launchParam: AbilityConstant.LaunchParam) {
// want包含启动该应用的Caller信息
let localWant: Want = want;
localWant.bundleName = 'com.example.demo';
localWant.moduleName = 'entry';
localWant.abilityName = 'TestAbility';
let option: StartOptions = {
displayId: 0
}
// 使用启动方的Caller身份信息启动新Ability
this.context.startAbilityAsCaller(localWant, option)
.then(() => {
console.log('startAbilityAsCaller success.');
})
.catch((err: BusinessError) => {
console.error('startAbilityAsCaller failed, err:' + JSON.stringify(err));
})
}
}
UIAbilityContext.requestModalUIExtension11+
requestModalUIExtension(pickerWant: Want): Promise<void>
请求在指定的前台应用上拉起对应类型的UIExtensionAbility。其中,前台应用通过want.parameters中bundleName来指定,如果未指定前台应用、bundleName指定的应用未在前台或指定的前台应用的bundleName不正确,则在系统界面上直接拉起UIExtensionAbility;被拉起的UIExtensionAbility通过want中bundleName、abilityName、moduleName字段共同确定,同时需要通过want.parameters中的ability.want.params.uiExtensionType字段配置UIExtensionAbility的类型。使用promise形式异步回调。
说明:
组件启动规则详见:组件启动规则(Stage模型)。 跨应用场景下,目标Ability的exported属性若配置为false,指定的前台应用需申请
ohos.permission.START_INVISIBLE_ABILITY
权限,若为系统界面上直接拉起UIExtensionAbility的情况,则需要接口调用方申请ohos.permission.START_INVISIBLE_ABILITY
权限。
系统能力:SystemCapability.Ability.AbilityRuntime.Core
系统接口: 此接口为系统接口。
参数:
参数名 | 类型 | 必填 | 说明 |
---|---|---|---|
pickerWant | Want | 是 | 拉起UIExtension的want信息。 |
返回值:
类型 | 说明 |
---|---|
Promise<void> | Promise对象。无返回结果的Promise对象。 |
错误码:
错误码ID | 错误信息 |
---|---|
16000001 | The specified ability does not exist. |
16000002 | Incorrect ability type. |
16000004 | Can not start invisible component. |
16000050 | Internal error. |
16200001 | The caller has been released. |
以上错误码详细介绍请参考元能力子系统错误码。
示例:
import UIAbility from '@ohos.app.ability.UIAbility';
import Want from '@ohos.app.ability.Want';
import { BusinessError } from '@ohos.base';
export default class EntryAbility extends UIAbility {
onForeground() {
let want: Want = {
bundleName: 'com.example.myapplication',
abilityName: 'com.example.myapplication.UIExtAbility',
moduleName: 'entry_test',
parameters: {
'bundleName': 'com.example.myapplication',
//与com.example.myapplication.UIExtAbility配置的type相同
'ability.want.params.uiExtensionType': 'sys/commonUI'
}
};
try {
this.context.requestModalUIExtension(want)
.then(() => {
// 执行正常业务
console.info('requestModalUIExtension succeed');
})
.catch((err: BusinessError) => {
// 处理业务逻辑错误
console.error(`requestModalUIExtension failed, code is ${err.code}, message is ${err.message}`);
});
} catch (err) {
// 处理入参错误异常
let code = (err as BusinessError).code;
let message = (err as BusinessError).message;
console.error(`requestModalUIExtension failed, code is ${code}, message is ${message}`);
}
}
}
UIAbilityContext.requestModalUIExtension11+
requestModalUIExtension(pickerWant: Want, callback: AsyncCallback<void>): void
请求在指定的前台应用上拉起对应类型的UIExtensionAbility。其中,前台应用通过want.parameters中bundleName来指定,如果未指定前台应用、bundleName指定的应用未在前台或指定的前台应用的bundleName不正确,则在系统界面上直接拉起UIExtensionAbility;被拉起的UIExtensionAbility通过want中bundleName、abilityName、moduleName字段共同确定,同时需要通过want.parameters中的ability.want.params.uiExtensionType字段配置UIExtensionAbility的类型。使用callback形式异步回调。
说明:
组件启动规则详见:组件启动规则(Stage模型)。 跨应用场景下,目标Ability的exported属性若配置为false,指定的前台应用需申请
ohos.permission.START_INVISIBLE_ABILITY
权限,若为系统界面上直接拉起UIExtensionAbility的情况,则需要接口调用方申请ohos.permission.START_INVISIBLE_ABILITY
权限。
系统能力:SystemCapability.Ability.AbilityRuntime.Core
系统接口:此接口为系统接口。
参数:
参数名 | 类型 | 必填 | 说明 |
---|---|---|---|
pickerWant | Want | 是 | 拉起UIExtension的want信息。 |
callback | AsyncCallback<void> | 是 | 回调函数。当拉起UIExtension成功,err为undefined,否则为错误对象。 |
错误码:
错误码ID | 错误信息 |
---|---|
16000001 | The specified ability does not exist. |
16000002 | Incorrect ability type. |
16000004 | Can not start invisible component. |
16000050 | Internal error. |
16200001 | The caller has been released. |
以上错误码详细介绍请参考元能力子系统错误码。
示例:
import UIAbility from '@ohos.app.ability.UIAbility';
import Want from '@ohos.app.ability.Want';
import { BusinessError } from '@ohos.base';
export default class EntryAbility extends UIAbility {
onForeground() {
let want: Want = {
bundleName: 'com.example.myapplication',
abilityName: 'com.example.myapplication.UIExtAbility',
moduleName: 'entry_test',
parameters: {
'bundleName': 'com.example.myapplication',
//与com.example.myapplication.UIExtAbility配置的type相同
'ability.want.params.uiExtensionType': 'sys/commonUI'
}
};
try {
this.context.requestModalUIExtension(want, (err: BusinessError) => {
if (err.code) {
// 处理业务逻辑错误
console.error(`requestModalUIExtension failed, code is ${err.code}, message is ${err.message}`);
return;
}
// 执行正常业务
console.info('requestModalUIExtension succeed');
});
} catch (err) {
// 处理入参错误异常
let code = (err as BusinessError).code;
let message = (err as BusinessError).message;
console.error(`requestModalUIExtension failed, code is ${code}, message is ${message}`);
}
}
}