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javaandroidtelephonymanager

create background android service to decline incoming phone calls

looking for resources on how to create an ongoing background service started by an android app which declines/silences and logs incoming phone calls. This must not use deprecated APIs/permissions for Android 10.

Solution

  • A way to decline an incoming call is to hang up the call but permissions are needed. Try to follow this (this is the concept) :

    1. Request Run time permissions(READ_PHONE_STATE, CALL_PHONE)

    2. Create a broadcast receiver that waits for incoming calls

    3. When incoming call is detected hang it up.

    Rely on this resource(here you have detailed instructions) : https://dev.to/nikola/how-to-make-a-native-android-app-that-can-block-phone-calls--4e15