Unable to add window — token null is not valid; is your activity running?

Question

i want to show a custom popup menu when user click on a floating icon

the float icon create with an service and i have no activity

this is my floating icon c

Answer 1

If you're using getApplicationContext() as Context in Activity for the dialog like this

Dialog dialog = new Dialog(getApplicationContext());

then use YourActivityName.this

Dialog dialog = new Dialog(YourActivityName.this);