计算两次android之间的差异 [英] Calculate difference between two times android

问题描述

我正在开发和android应用程序，我需要计算两次之间的时间差.我需要计算24小时的时间差，以及两天的时间差(例如今天下午5点到明天上午9点).

I am developing and android app, where I need to calculate the difference between two times.I need to calculate the time difference for 24 hrs, and also the difference between times on two days(Eg. 5pm today to 9 am tomorrow).

我已经尝试了以下代码，以计算仅适用于 24 小时的差异，

I have tried the below code, to calculate the difference which works only for 24 hrs,

String dateStart = "08:00:00";
String dateStop = "13:00:00";

//HH converts hour in 24 hours format (0-23), day calculation
SimpleDateFormat format = new SimpleDateFormat("HH:mm:ss");

Date d1 = null;
Date d2 = null;

try 
{
    d1 = format.parse(dateStart);
    d2 = format.parse(dateStop);

    //in milliseconds
    long diff = d2.getTime() - d1.getTime();
    long diffHours = diff / (60 * 60 * 1000) % 24;
    Log.e("test",diffHours + " hours, ");
}
catch (Exception e) 
{
    // TODO: handle exception
} 

推荐答案

先生，您可以轻松使用 java 功能.long difference = date2.getTime() - date1.getTime(); 看看这个link 这将对您有所帮助.

Sir, you can make it easily in using java feature. long difference = date2.getTime() - date1.getTime(); Take a look in this link this will help you.

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