Implement service to an Android App

Job ID: 36933144

Budget: €8 – €30 EUR

What i need is to implement a service in my app.
The service start and stop with two buttons and works although the app is closed.
The service work in background and listen for incoming and outgoing phone calls using a broadcast receiver.
It will display with a toast message the three states of broadcast receiver. ''IDLE'' - ''ONHOOK'' - ''RINGING''
Related categories: Android Android Studio