harmony 鸿蒙Starting a UIAbility from the FA Model

  • 2023-02-03
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Starting a UIAbility from the FA Model

This topic describes how the three application components of the FA model start the UIAbility component of the stage model.

PageAbility Starting a UIAbility

A PageAbility starts a UIAbility in the same way as it starts another PageAbility.

import featureAbility from '@ohos.ability.featureAbility';
import { BusinessError } from '@ohos.base';

featureAbility.startAbility(
    {
        want: {
            bundleName: "com.ohos.stage",
            abilityName: "EntryAbility"
        }
    }
).then((code) => {
    console.info('Ability verify code: ' + JSON.stringify(code));
}).catch((error: BusinessError) => {
    console.error("Ability failed: " + JSON.stringify(error));
});

PageAbility Accessing a UIAbility (startAbilityForResult)

Different from startAbility(), startAbilityForResult() obtains the execution result when the UIAbility is destroyed.

A PageAbility starts a UIAbility through startAbilityForResult() in the same way as it starts another PageAbility through startAbilityForResult().

import featureAbility from '@ohos.ability.featureAbility';
import { BusinessError } from '@ohos.base';

featureAbility.startAbilityForResult(
    {
        want: {
            bundleName: "com.ohos.stage",
            abilityName: "com.ohos.stage.EntryAbility"
        }
    }).then((result) => {
    console.info('Ability verify result: ' + JSON.stringify(result));
}).catch((error: BusinessError) => {
    console.error("Ability failed: " + JSON.stringify(error));
});

ServiceAbility or DataAbility Starting a UIAbility

A ServiceAbility or DataAbility starts a UIAbility in the same way as it starts a PageAbility.

import particleAbility from '@ohos.ability.particleAbility';
import { BusinessError } from '@ohos.base';

particleAbility.startAbility(
    {
        want: {
            bundleName: "com.ohos.stage",
            abilityName: "com.ohos.stage.EntryAbility"
        }
    }
).then(() => {
    console.info('Start Ability successfully.');
}).catch((error: BusinessError) => {
    console.error("Ability failed: " + JSON.stringify(error));
});

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