# lv_spinner.h (/api/widgets/spinner/lv_spinner_h)
Functions [#functions]
lv_spinner_set_anim_params [#lv_spinner_set_anim_params]
Set the animation time and arc length of the spinner The animation is suited for angle values between 180 and 360.
```c title=" " lineNumbers=1
void lv_spinner_set_anim_params(lv_obj_t *obj, uint32_t t, uint32_t angle)
```
Parameters
| Name | Type | Description |
| ------- | ------------------------------------------------ | ---------------------------------- |
| `obj` | | pointer to a spinner |
| `t` | | the animation time in milliseconds |
| `angle` | | the angle of the arc in degrees |
lv_spinner_set_anim_duration [#lv_spinner_set_anim_duration]
Set the animation time of the spinner
```c title=" " lineNumbers=1
void lv_spinner_set_anim_duration(lv_obj_t *obj, uint32_t t)
```
Parameters
| Name | Type | Description |
| ----- | ------------------------------------------------ | ---------------------------------- |
| `obj` | | pointer to a spinner |
| `t` | | the animation time in milliseconds |
lv_spinner_set_arc_sweep [#lv_spinner_set_arc_sweep]
Set the animation arc length of the spinner. The animation is suited to values between 180 and 360.
```c title=" " lineNumbers=1
void lv_spinner_set_arc_sweep(lv_obj_t *obj, uint32_t angle)
```
Parameters
| Name | Type | Description |
| ------- | ------------------------------------------------ | ------------------------------- |
| `obj` | | pointer to a spinner |
| `angle` | | the angle of the arc in degrees |
lv_spinner_get_anim_duration [#lv_spinner_get_anim_duration]
Get the animation duration of the spinner
```c title=" " lineNumbers=1
uint32_t lv_spinner_get_anim_duration(lv_obj_t *obj)
```
Parameters
| Name | Type | Description |
| ----- | ------------------------------------------------ | -------------------- |
| `obj` | | pointer to a spinner |
**Returns:** — the animation time in milliseconds
lv_spinner_get_arc_sweep [#lv_spinner_get_arc_sweep]
Get the animation arc length of the spinner
```c title=" " lineNumbers=1
uint32_t lv_spinner_get_arc_sweep(lv_obj_t *obj)
```
Parameters
| Name | Type | Description |
| ----- | ------------------------------------------------ | -------------------- |
| `obj` | | pointer to a spinner |
**Returns:** — the angle of the arc in degrees
lv_spinner_create [#lv_spinner_create]
Create a spinner widget
```c title=" " lineNumbers=1
lv_obj_t * lv_spinner_create(lv_obj_t *parent)
```
Parameters
| Name | Type | Description |
| -------- | ------------------------------------------------ | --------------------------------------------------------------- |
| `parent` | | pointer to an object, it will be the parent of the new spinner. |
**Returns:** — the created spinner
Enums [#enums]
\_lv_property_spinner_id_t [#_lv_property_spinner_id_t]
| Name | Value |
| ----------------------------------- | ---------------------------------------------------------------- |
| `LV_PROPERTY_SPINNER_ANIM_DURATION` | `(LV_PROPERTY_SPINNER_START + ((int) 0 )) \| (( 1 ) << 28 )` |
| `LV_PROPERTY_SPINNER_ARC_SWEEP` | `(LV_PROPERTY_SPINNER_START + ((int) 1 )) \| (( 1 ) << 28 )` |
| `LV_PROPERTY_SPINNER_END` | |
Variables [#variables]
lv_spinner_class [#lv_spinner_class]
```c title=" " lineNumbers=1
const lv_obj_class_t lv_spinner_class
```
Dependencies [#dependencies]