Why is my BroadCast Receiver not working?

Question

I am learning about BroadCast Receivers. What I am trying to achieve with the following piece of code is, I would like to see a toast when I switch to airplane mode, where the a

Answer 1

Try it like this,try adding,android:exported="true":

//Add this permission too

 
        
            
        
    

The Real state is determined like this:

    @Override
    public void onReceive(Context context, Intent intent) {

        boolean isAirplaneModeOn = intent.getBooleanExtra("state", false);
        if(isAirplaneModeOn){

           // handle Airplane Mode on
        } else {
           // handle Airplane Mode off
        }
    }