当我将guides添加到valueAxesSettings中时,即使我选择valueAxesSettings到valueAxes中,它也不起作用。此外,参考文献中提到的If you change a property after the chart is initialized, you should call stockChart.validateNow() method in order for it to work.,valueAxesSettings和valueAxes有什么不同?什么意思?<html>
<head>
我可以使用经度和纬度从google检索数据,但不能使用directions属性。这就是我迄今所做的 /** Called when the activity is first created. */ public void onCreate(Bundle savedInstanceState) { setContentV