harmony 鸿蒙Ability Framework Changelog
Ability Framework Changelog
Added the saveAppState API to cl.ability.appRecovery
The API saveAppState (context?: UIAbilityContext): boolean; is added.
Change Impact
When developing an application based on OpenHarmony 4.0.5.2 or a later SDK version, you can use saveAppState with the ability context specified to save the state of the specified ability.
Key API/Component Changes
The saveAppState API is added to the @ohos.app.ability.appRecovery.d.ts file.
|Module|Class|Method/Attribute/Enum/Constant|Change Type| | –|–|–|–| |@ohos.app.ability.appRecovery.d.ts|appRecovery|saveAppState(context?: UIAbilityContext): boolean;|Added|
Adaptation Guide
Call saveAppState with the UIAbility context specified to save the ability state.
import appRecovery from '@ohos.app.ability.appRecovery';
onBackground() {
hilog.info(0x0000, '[demo]', '%{public}s', 'EntryAbility onBackground');
appRecovery.saveAppState(this.context)
}
Added the setRestartWant API to cl.ability.appRecovery.
The API setRestartWant (want: Want): void; is added.
Change Impact
To develop an application based on OpenHarmony 4.0.5.2 or a later SDK version, you can use setRestartWant to set the ability to recover.
Key API/Component Changes
The setRestartWant API is added to the @ohos.app.ability.appRecovery.d.ts file.
|Module|Class|Method/Attribute/Enum/Constant|Change Type| | –|–|–|–| |@ohos.app.ability.appRecovery.d.ts|appRecovery|setRestartWant(want: Want): void;|Added|
Adaptation Guide
Call setRestartWant to set the ability to recover.
import appRecovery from '@ohos.app.ability.appRecovery';
Button ("Start to Recover Ability")
.fontSize(40)
.fontWeight(FontWeight.Bold)
.onClick(()=> {
// set restart want
let want = {
bundleName: "ohos.samples.recovery",
abilityName: "RecoveryAbility"
};
appRecovery.setRestartWant(want);
})
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