Connecting to a ServiceAbility from the Stage Model
This topic describes how the two application components of the stage model connect to the ServiceAbility component of the FA model.
UIAbility Accessing a ServiceAbility
A UIAbility accesses a ServiceAbility in the same way as it accesses a ServiceExtensionAbility.
import common from '@ohos.app.ability.common';
import hilog from '@ohos.hilog';
import Logger from '../utils/Logger';
import promptAction from '@ohos.promptAction'
import Want from '@ohos.app.ability.Want';
const TAG: string = '[Page_StartFAModel]';
const DOMAIN_NUMBER: number = 0xFF00;
@Entry
@Component
struct Page_StartFAModel {
private context = getContext(this) as common.UIAbilityContext;
build() {
// ...
Button() {
// ...
}
.onClick(() => {
let want: Want = {
bundleName: 'com.samples.famodelabilitydevelop',
abilityName: 'com.samples.famodelabilitydevelop.ServiceAbility',
}
let options: common.ConnectOptions = {
onConnect: (elementName, proxy) => {
Logger.info('onConnect called.');
promptAction.showToast({
message: $r('app.string.ConnectFAServiceAbility')
});
},
onDisconnect: (elementName) => {
Logger.info('onDisconnect called.');
},
onFailed: (code) => {
Logger.info('onFailed code is: ' + code);
}
};
let connectionId = this.context.connectServiceExtensionAbility(want, options);
hilog.info(DOMAIN_NUMBER, TAG, 'connectionId is ' + JSON.stringify(connectionId));
})
}
}
ExtensionAbility Accessing a ServiceAbility
The following uses the ServiceExtensionAbility component as an example to describe how an ExtensionAbility accesses a ServiceAbility. A ServiceExtensionAbility accesses a ServiceAbility in the same way as it accesses another ServiceExtensionAbility.
import common from '@ohos.app.ability.common';
import hilog from '@ohos.hilog';
import Logger from '../utils/Logger';
import promptAction from '@ohos.promptAction'
import Want from '@ohos.app.ability.Want';
const TAG: string = '[Page_StartFAModel]';
const DOMAIN_NUMBER: number = 0xFF00;
@Entry
@Component
struct Page_StartFAModel {
private context = getContext(this) as common.UIAbilityContext;
build() {
// ...
Button() {
// ...
}
.onClick(() => {
let want: Want = {
bundleName: 'com.samples.famodelabilitydevelop',
abilityName: 'com.samples.famodelabilitydevelop.ServiceAbility',
}
let options: common.ConnectOptions = {
onConnect: (elementName, proxy) => {
Logger.info('onConnect called.');
promptAction.showToast({
message: $r('app.string.ConnectFAServiceAbility')
});
},
onDisconnect: (elementName) => {
Logger.info('onDisconnect called.');
},
onFailed: (code) => {
Logger.info('onFailed code is: ' + code);
}
};
let connectionId = this.context.connectServiceExtensionAbility(want, options);
hilog.info(DOMAIN_NUMBER, TAG, 'connectionId is ' + JSON.stringify(connectionId));
})
}
}