Contact person: Fix Notification Issues for Android App

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Location: Brackenfell, South Africa

Budget: Recommended by industry experts

Time to start: As soon as possible

Project description:
"I have a fully functional native Android app written in Java. The primary task is solving an issue where notifications are not consistently delivered on Samsung devices (possibly other manufacturers too). The goal is ensuring reliable notification delivery across all device brands.

Requirements:
1. Incoming call notifications must display reliably across all devices as full-screen call UI for users to answer or reject them.
2. If the call is answered, it should open an already implemented Activity directly.

The codebase is already implemented and ready to share with the selected freelancer for troubleshooting and fixes.

Additionally, long-term collaboration opportunities are available as the app will need development for iOS.

The goal of this project is to ensure that incoming call-type notifications (similar to Amazon's RING) triggered by Firebase Cloud Messaging (FCM) are visible on any mobile device, regardless of manufacturer or condition. The notification must be displayed under all scenarios, including:
- When the phone is locked.
- When the app is in the foreground.
- When the app is closed.
- When the screen is off.

The expected outcome is a reliable solution where notifications are consistently visible under any condition across all devices.

Skills Needed:
- Android (Java)
- Firebase Cloud Messaging (FCM)
- Foreground Services & Notifications
- Experience with battery optimizations (Samsung-specific issues)
- Amazon’s RING app (The notifications should work like they do in that app)

I need it within 15/20 days." (client-provided description)