java 使用GPS（LocationManager）如何获取当前时间？
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Using the GPS (LocationManager) how To get the current Time?
提问by Jagan
I am developing one GPS Application. Which will send the location data to server for every one hour.
我正在开发一个 GPS 应用程序。它将每隔一小时将位置数据发送到服务器。
In this I am using following code:
在此我使用以下代码：
location.getLatitude();
location.getLongitude();
location.getTime();
with this code I am getting Latitude and Longitude correctly and Time also, but I am getting some 13 digits number instead of the time. I done some research on that, I found that is an seconds for of the current time.
使用此代码，我可以正确获取纬度和经度以及时间，但是我得到的是一些 13 位数字而不是时间。我对此做了一些研究，我发现这是当前时间的几秒钟。
so now I need to convert that 13 digit number in to the specific format.
所以现在我需要将该 13 位数字转换为特定格式。
回答by Matt Ball
Location#getTime()returns "the UTC time of this fix, in milliseconds since January 1, 1970."
Location#getTime()返回“此修复的 UTC 时间，以 1970 年 1 月 1 日以来的毫秒数为单位。”
This is exactly the same behavior as java.util.Date#getTime(). I'm not clear on what you'd like to do with this time data, but if you'd like to convert the Location's time into a java.util.Date, you can do it like this:
这与java.util.Date#getTime(). 我不清楚你想用这个时间数据做什么，但如果你想把Location's 时间转换成 a java.util.Date，你可以这样做：
long time = location.getTime();
Date date = new Date(time);
Now it is somewhat easier to work with. If you'd like to create a particular string output format of that date, use SimpleDateFormat:
现在它更容易使用。如果您想创建该日期的特定字符串输出格式，请使用SimpleDateFormat：
SimpleDateFormat sdf = new SimpleDateFormat("yyyy-MM-dd HH:mm:ss");
String text = sdf.format(date);
System.out.println(text); // prints something like 2011-01-08 13:35:48
That said, if all you'd like to do is get the current time (which is what it sounds like you're trying to do) you don't need a Locationat all:
也就是说，如果您只想获取当前时间（这听起来像是您想要做的），则根本不需要Location：
Date now = new Date();
That's it!
而已！
Does that help? If not, could you clarify what you're trying to do?
这有帮助吗？如果没有，你能澄清一下你想要做什么吗？
回答by bajarang
Date date = new Date(location.getTime());
SimpleDateFormat sdf = new SimpleDateFormat("yyyy-MM-dd HH:mm:ss");
String myDate= sdf.format(date);
System.out.println(myDate)
回答by Carlos Daniel Drury
String timestamp = parseDate(location.getTime().toDate());
public String parseDate(Date date){
String format = "yyyy-MM-dd HH:mm:ss";
SimpleDateFormat sdf = new SimpleDateFormat(format, Locale.US);
return sdf.format(date).toString();
}
