Changing icon of Template Switch

thisIO · October 1, 2020, 8:50pm

tom_l:

Create an input boolean called display_state. Use it like this in your switch:

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      ac_display:
        friendly_name: "AC Display"
        value_template: "{{ is_state('input_boolean.display_state', 'on') }}"
        turn_on:
        - service: script.ac_display
        - service: input_boolean.turn_on
          data:
            entity_id: input_boolean.display_state
        turn_off:
        - service: script.ac_display  
        - service: input_boolean.turn_off
          data:
            entity_id: input_boolean.display_state
        icon_template: >-
          {%- if is_state('input_boolean.display_state', 'on')  -%}
            mdi:television-classic
          {%- else  -%}
            mdi:television-classic-off
          {%- endif -%}

I know this way! Thanks a lot!
I thought i can do without creating input_boolean.
If there is no other way to do it with yaml, i can make it eaiser with lovelace and “custom:button-card”
just like

            state:
              - value: 'off'
                icon: mdi:television-classic-off
              - value: 'on'
                icon: mdi:television-classic

tom_l · October 1, 2020, 8:58pm

Yes a Lovelace button should work with the the optimistic state (no value template).

thisIO · October 1, 2020, 9:10pm

I have chacked, it work!
But in all cases thanks for help!