packages/directions/index.android.ts

import { Application, Utils } from '@nativescript/core';
import { DirectionsApi, DirectionsCommon, NavigateToOptions } from './common';
export * from './common';

let com: any;

export class Directions extends DirectionsCommon implements DirectionsApi {
	private isPackageInstalled(): boolean {
		try {
			let intent = new android.content.Intent(android.content.Intent.ACTION_VIEW, android.net.Uri.parse('http://maps.google.com/maps'));

			let pm = Utils.android.getApplicationContext().getPackageManager();
			return intent.resolveActivity(pm) != null;
		} catch (e) {
			console.error(e);
		}
		return true;
	}

	public available(): Promise<boolean> {
		return new Promise<boolean>((resolve, reject) => {
			resolve(this.isPackageInstalled());
		});
	}

	public async navigate(options: NavigateToOptions): Promise<void> {
		try {
			if (options?.useUniversalSyntax) {
				await Directions.openGoogleMapsUniversal(options);
				return;
			}

			const fromToQs = Directions.getFromToQuerystring(options);
			if (!this.isPackageInstalled()) {
				// fall back to web
				Utils.openUrl('http://maps.google.com/maps' + fromToQs);
				return;
			}

			const intent = new android.content.Intent(android.content.Intent.ACTION_VIEW, android.net.Uri.parse('http://maps.google.com/maps' + fromToQs));

			if (!options.android || options.android.newTask !== false) {
				intent.addFlags(android.content.Intent.FLAG_ACTIVITY_NEW_TASK);
			}

			(Application.android.foregroundActivity || Application.android.startActivity).startActivityForResult(intent, 0);
		} catch (e) {
			throw e;
		}
	}
}