Answer Incoming Call Using Android.telecom And InCallService
Answer : How do you get notified about, and acquire instances of GSM Calls First, the user will need to select your app as the default Phone app. Refer to Replacing default Phone app on Android 6 and 7 with InCallService for a way to do that. You also need to define an InCallService implementation the system will bind to and notify you about the call: <service android:name=".CallService" android:permission="android.permission.BIND_INCALL_SERVICE"> <meta-data android:name="android.telecom.IN_CALL_SERVICE_UI" android:value="true" /> <intent-filter> <action android:name="android.telecom.InCallService" /> </intent-filter> </service> There you should handle at least onCallAdded (set up listeners on Call , start your UI - activity - for the call) and onCallRemoved (remove listeners). How does one answer these calls If the user wants to answer the...