Embedded graphics library to create beautiful UIs for any MCU, MPU and display type. - refactor(obj class) add user_data parameter to lv_obj_class_create_obj() · lvgl/lvgl@445c0ea
LV_PART_MAIN);// 修改 pad,改变指示器在相应方向上的大小lv_obj_set_style_pad_left(sw, 5, LV_PART_MAIN);// lv_obj_set_style_pad...// 修改开关状态指示器部分,关闭状态时的背景颜色lv_obj_set_style_bg_opa(sw, 100, LV_PART_INDICATOR);lv_obj_set_style_bg_color(sw,lv_color_hex...
void lv_label_set_text_fmt(lv_obj_t * obj, const char * fmt, ...) LV_FORMAT_ATTRIBUTE(2, 3); //函数实现 void lv_label_set_text_fmt(lv_obj_t * obj, const char * fmt, ...) { LV_ASSERT_OBJ(obj, MY_CLASS); LV_ASSERT_NULL(fmt); lv_obj_invalidate(obj); lv_label_t *...
The function subsequently calls lv_obj_get_x(copy) and lv_obj_get_y(copy) that accessing parent->coords.x1 and parent->coords.y1 without checking the parent for NULL. In case if copy object is a screen and does not have a parent it leads to NULL pointer access. embeddedt transferred ...
typedefstruct{lv_disp_drv_tdisp_drv;// LVGL显示驱动器结构体lv_disp_t*disp;// LVGL显示结构体lv_obj_t*screen;// LVGL屏幕对象// other display related variables}my_disp_t; 1. 2. 3. 4. 5. 6. 在初始化LVGL之前,我们可以创建多个显示驱动器结构体,并通过lv_disp_drv_init函数进行初始化。然...
log.warn("Could not get size for vol %s/%s", sdobj.sdUUID, volUUID, exc_info=True) raise return size 浏览完整代码 来源:blockVolume.py 项目:mydaisy2/vdsm 示例19 def _create(cls, dom, imgUUID, volUUID, size, volFormat, preallocate, volParent, srcImgUUID, srcVolUUID, volPath, ...
class BenZ: pass class BMW: pass class BYD: pass class CarFactory: """定义两个类属性""" __obj = None __init_flag = True """定义工厂方法: 输入对应的商标, 返回对应的对象""" def create_car(self, brand): if brand == "奔驰": return BenZ() elif brand == "宝马": return BMW()...
package quartz; import org.quartz.*; import org.quartz.impl.StdSchedulerFactory; public class QuartzMan { // 1、创建任务调度器(好比公交调度站) public static Scheduler createScheduler() throws SchedulerException { SchedulerFactory schedulerFactory = new StdSchedulerFactory(); Scheduler scheduler = ...
client.create( path, newBuffer('aaaaaaaa'), zookeeper.CreateMode.EPHEMERAL_SEQUENTIAL, function(error, path){ if(error) { console.log(error.stack); return; } console.log('Node: %s is created.', path); } ); } functiongetData(path){ ...
使用Android Studio自带的创建JNI函数代码工具,自动生成C++代码。(鼠标双击选中函数,然后Alt+Enter,会提示如图创建JNI函数提示)。也可以根据JNI规则,自己手动在lvgl-android.cpp文件中,创建对应的函数。 打开lvgl-android.cpp文件,将会生成如下代码 image.png