How does the encoder change the default focus style?

General discussion
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1

How to change the default light blue focus style after encoder is selected? :sob:
It’s been a long time

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Green is the focus border of the control, light blue can not be hidden

2

You need to apply the style to the LV_STATE_FOCUS_KEY state

lv_obj_set_style_outline_color(obj, lv_color_hex(0xff00ff), LV_STATE_FOCUS_KEY);