lv_label_bind_text() function

Bind an integer, string, or pointer subject to a label.

Syntax

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Summary

Declaration

Definition

lv_observer_t * lv_label_bind_text(lv_obj_t * obj, lv_subject_t * subject, const char * fmt);

Argument

Description

obj

pointer to a label

subject

pointer to a subject

fmt

optional format string with 1 format specifier (e.g. "%d °C") or NULL to bind the value directly.

pointer to the created observer

fmt == NULL can be used only with string and pointer subjects. if the subject is a pointer must point to a `\0` terminated string.

from examples