from native import app

serviceJS = """
def OnStart():
    i = 0
    while True:
        app.ShowPopup(i)
        i += 1
        app.Sleep(2000)

def OnMessage(msg):
    if msg == "fg":
        app.SetInForeground("My Service", "Service is running", "/Sys/Img/Hello.png", "/Sys/Img/Icon.png", "low")
    elif msg == "bg":
        app.SetInBackground()
"""

def OnStart():
    global svc
    app.WriteFile("Service.js", serviceJS)

    lay = app.CreateLayout("linear", "VCenter,FillXY")

    tgl = app.CreateToggle("Foreground", 0.3, 0.1)
    tgl.SetOnTouch(tgl_OnTouch)
    lay.AddChild(tgl)

    app.AddLayout(lay)

    svc = app.CreateService("this", "this", OnSvcStart)

def tgl_OnTouch(fg):
    if fg:
        svc.SendMessage("fg")
    else:
        svc.SendMessage("bg")