unoplatform/uno

[iOS/Android][PhoneCallManager] `IsCallActive` & `IsCallIncoming` does not change when user receives or answers a phone call

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#19,912 opened on Apr 10, 2025

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difficulty/starter 🚀good first issuekind/bugproject/non-ui ⚙️

Description

Current behavior

When the user receives an incoming call or is actively on a call, the checkboxes for IsCallIncoming and IsCallActive remain in the false state. They do not reflect the actual call status.

Tested with Versions: iOS: 2504012147.36782 & 2504091441.36963 Android: 2504091443.36963 (36963) & 2504012147.36782 (36782)

Expected behavior

When the user receives an incoming call, IsCallIncoming should be set to true. When the user answers the call and it becomes active, IsCallActive should be set to true. Once the call ends, both flags should revert back to false.

How to reproduce it (as minimally and precisely as possible)

No response

Workaround

No response

Works on UWP/WinUI

None

Environment

No response

NuGet package version(s)

No response

Affected platforms

Android, iOS

IDE

No response

IDE version

No response

Relevant plugins

No response

Anything else we need to know?

No response

Contributor guide

Tech stack
csharpandroidios
Domain
mobile
Issue type
bug
DifficultyEstimated implementation difficulty for a new contributor, from 1 for very small changes to 5 for expert-level work.
3
Estimated timeA rough time range for an experienced contributor to investigate, implement, test, and prepare a pull request.
half day
Activity statusHow available the issue appears right now: fresh, active, stale, blocked, or waiting on maintainer input.
fresh
ClarityHow clearly the issue explains the expected change, acceptance criteria, and next step.
needs investigation
Prerequisites
C#Uno Platform basicsAndroid TelephonyManageriOS CXCallObserver
Newbie friendlinessA 1-100 score estimating how approachable this issue is for first-time contributors.
50
Research direction
Examine the PhoneCallManager class in Uno's source code, likely under platform specific folders for Android and iOS. Check how IsCallActive and IsCallIncoming properties are implemented—on Android using TelephonyManager and on iOS using CXCallObserver. Identify missing callbacks or listeners that would update these properties on incoming/answer/end events. Review issue comments for any additional hints or debugging steps.