activity.android.ts

import {ReplaySubject}                                  from 'rxjs/ReplaySubject';
import {AndroidActivityCallbacks, setActivityCallbacks} from "tns-core-modules/ui/frame";

export var AndroidOnRouteToURL = new ReplaySubject<string>();

@JavaProxy("org.myApp.MainActivity")
export class Activity extends android.support.v7.app.AppCompatActivity
    {
        private _callbacks: AndroidActivityCallbacks;

        public onBackPressed(): void
        {
            this._callbacks.onBackPressed(this, super.onBackPressed);
        }

        public onRequestPermissionsResult(requestCode: number, permissions: Array<String>, grantResults: Array<number>): void
        {
            this._callbacks.onRequestPermissionsResult(this, requestCode, permissions, grantResults, undefined);
        }

        protected onCreate(savedInstanceState: android.os.Bundle): void
        {
            if (!this._callbacks)
                {
                    setActivityCallbacks(this);
                }
            this._callbacks.onCreate(this, savedInstanceState, super.onCreate);
            const creationIntent = this.getIntent();
            this.handleIntent(creationIntent);
        }

        protected onSaveInstanceState(outState: android.os.Bundle): void
        {
            this._callbacks.onSaveInstanceState(this, outState, super.onSaveInstanceState);
        }

        protected onStart(): void
        {
            this._callbacks.onStart(this, super.onStart);
        }

        protected onStop(): void
        {
            this._callbacks.onStop(this, super.onStop);
        }

        protected onDestroy(): void
        {
            this._callbacks.onDestroy(this, super.onDestroy);
        }

        protected onActivityResult(requestCode: number, resultCode: number, data: android.content.Intent): void
        {
            this._callbacks.onActivityResult(this, requestCode, resultCode, data, super.onActivityResult);
        }

        protected onNewIntent(intent: android.content.Intent): void
        {
            super.onNewIntent(intent);
          //  console.info('MainActivity.onNewIntent');
            this.handleIntent(intent);
        }

        private handleIntent(intent: android.content.Intent)
        {
            const action = intent.getAction();
            const dataStr = intent.getDataString();
         //   console.info(`MainActivity.handleIntent: [${action}] ${dataStr}`);
            if (action === android.content.Intent.ACTION_VIEW && dataStr !== null)
                {
                    AndroidOnRouteToURL.next(dataStr);
                }
        }
    }