harmony 鸿蒙ConnectOptions
ConnectOptions
ConnectOptions can be used as an input parameter to receive status changes during the connection to a background service. For example, it is used as an input parameter of connectServiceExtensionAbility to connect to a ServiceExtensionAbility.
NOTE
The initial APIs of this module are supported since API version 7. Newly added APIs will be marked with a superscript to indicate their earliest API version.
Modules to Import
import common from '@ohos.app.ability.common';
Attributes
System capability: SystemCapability.Ability.AbilityRuntime.Core
Name | Type | Mandatory | Description |
---|---|---|---|
onConnect7+ | function | Yes | Callback invoked when a connection is set up. |
onDisconnect7+ | function | Yes | Callback invoked when a connection is interrupted. |
onFailed7+ | function | Yes | Callback invoked when a connection fails. |
Example
import common from '@ohos.app.ability.common';
import Want from '@ohos.app.ability.Want';
let want: Want = {
bundleName: 'com.example.myapp',
abilityName: 'MyAbility'
};
let connectOptions: common.ConnectOptions = {
onConnect(elementName, remote) {
console.log('onConnect elementName: ${elementName}');
},
onDisconnect(elementName) {
console.log('onDisconnect elementName: ${elementName}');
},
onFailed(code) {
console.error('onFailed code: ${code}');
}
};
let connection: number = this.context.connectAbility(want, connectOptions);
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