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feat(angular): observer based api to override hardware back button

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fixes #15820
This commit is contained in:
Manu Mtz.-Almeida
2018-10-02 13:28:18 +02:00
parent c57a7cc2b1
commit 6a5aec8b5d
1 changed files with 9 additions and 1 deletions
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10
angular/src/providers/platform.ts
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@ -3,6 +3,14 @@ import { BackButtonDetail, Platforms, getPlatforms, isPlatform } from '@ionic/co
import { proxyEvent } from '../util/util';
export class BackButtonEmitter extends EventEmitter<BackButtonDetail> {
subscribeWithPriority(priority: number, callback: () => Promise<any> | void) {
return this.subscribe((ev: BackButtonDetail) => {
ev.register(priority, callback);
});
}
}
@Injectable()
export class Platform {
@ -11,7 +19,7 @@ export class Platform {
/**
* @hidden
*/
backButton = new EventEmitter<BackButtonDetail>();
backButton = new BackButtonEmitter();
/**
* The pause event emits when the native platform puts the application