system/myheader.py

import simplestart as ss

  
data = [
    {"index":"mnu_dcmxlx", "title":"Functions"}, 
    {"index":"mnu_dcxzlx", "title":"Help"}
]


def myselect(event):
    ss.message(event.data["keyPath"])


style = '''
    background:lightblue;
'''

mc = ss.col(align = "end", outline = False, height=59) #要和config.yaml中的app_bar_height 一致

#mc.write("### my header")
with mc:
    ss.menu(data, direction = "horizontal", dark = True, onselect = myselect)