在 Android 中将日期和时间转换为毫秒 [英] Convert date and time to milliseconds in Android

问题描述

我有来自 DatePicker 和 TimePicker 的 Date 和 Time.现在我想将选定的日期和时间更改为毫秒.我该怎么做???

I have Date and Time from DatePicker and TimePicker. Now i want to change the selected date and time into milliseconds. How can I do this???

例如，我选择了 Date 2-5-2012 和 Time 是 20:43

For Example I have Date selected 2-5-2012 and Time is 20:43

现在我必须将此日期时间转换为毫秒，例如

Now I have to convert this Date Time into milliseconds something like

DateTimeInMilliseconds = 1234567890

DateTimeInMilliseconds = 1234567890

推荐答案

您可以使用 DatePicker 和 TimePicker 中的值创建日历对象:

You can create a Calendar object with the values from your DatePicker and TimePicker:

Calendar calendar = Calendar.getInstance();
calendar.set(datePicker.getYear(), datePicker.getMonth(), datePicker.getDayOfMonth(), 
             timePicker.getCurrentHour(), timePicker.getCurrentMinute(), 0);
long startTime = calendar.getTimeInMillis();

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