NativeScript for Mobile App Development Plugins and Native API Access 2

Question 1

Which NativeScript plugin enables geolocation access?

Accepted Answer

@nativescript/geolocation

Answer

@nativescript/geolocation wraps the native location APIs on both iOS and Android, providing getCurrentLocation() and watchLocation() methods.

Question 2

How do you extend a native Android Activity in NativeScript?

Accepted Answer

Use the android.app.Activity.extend() method to subclass it

Answer

NativeScript's extend() method allows JavaScript code to subclass native Java classes, enabling custom Activity behavior.

Question 3

What permission must be declared in AndroidManifest.xml to use internet access in NativeScript?

Accepted Answer

android.permission.INTERNET

Answer

The INTERNET permission must be declared in the app's AndroidManifest.xml for any network requests to succeed on Android.

Question 4

Which NativeScript plugin enables push notifications via Firebase?

Accepted Answer

@nativescript/firebase-messaging

Answer

@nativescript/firebase-messaging integrates Firebase Cloud Messaging for push notifications on both iOS and Android.

Question 5

How does NativeScript handle iOS permissions (e.g., camera, location) for plugins?

Accepted Answer

Plugins declare usage description strings in Info.plist; the OS prompts the user at runtime

Answer

iOS requires NSCameraUsageDescription and similar keys in Info.plist; NativeScript plugins add these via their platforms/ios/Info.plist merge files.

NativeScript for Mobile App Development Practice Test