Senior Mobile Application Developer

Senior Mobile Application Developer Interview Questions and Answers

Updated 9 Jan 2025
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Q1. What third party integrations have you implemented?

Ans.

I have implemented third party integrations such as Firebase, Google Maps, and Facebook SDK.

  • Implemented Firebase for real-time database and push notifications

  • Integrated Google Maps API for location services

  • Utilized Facebook SDK for social media login and sharing features

Q2. What payment integration you have implemented?

Ans.

I have implemented payment integrations with Stripe and PayPal.

  • Implemented Stripe payment integration for seamless checkout experience

  • Integrated PayPal SDK for secure payment processing

  • Utilized webhooks for real-time payment notifications

Q3. Previous Explanation of Applications

Ans.

I have developed various mobile applications in the past.

  • Developed a social media app using React Native

  • Created a fitness tracking app using Swift

  • Built a food delivery app using Kotlin

  • Designed a travel booking app using Flutter

Q4. Lifetime of sharepref

Ans.

SharedPreferences lifetime is tied to the lifetime of the application.

  • SharedPreferences are used to store key-value pairs in Android apps.

  • They are stored in an XML file in the app's private directory.

  • The data persists even if the app is closed or the device is restarted.

  • However, the data is deleted if the app is uninstalled.

  • The lifetime of SharedPreferences is tied to the lifetime of the application.

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