时间前为 Android/java

Time ago for Android/java

提问by binu j

I am newbie to java and android. One of my android news app i am displaying the time as "7 August 2014, 8:20 am"

我是java和android的新手。我的一款 Android 新闻应用程序将时间显示为“2014 年 8 月 7 日，上午 8:20”

But I need to display it like:

但我需要像这样显示它：

5 mins ago    
1 hour ago    
2 days ago

Found many libraries such us pretty time, joda. But i dont know how to add it to my android app. Even this link https://stackoverflow.com/a/13018647/2020685show me. But how to pass my date and time into it.

发现很多图书馆，比如我们漂亮的时候，joda。但我不知道如何将它添加到我的 android 应用程序中。甚至这个链接https://stackoverflow.com/a/13018647/2020685 也给我看。但是如何将我的日期和时间传递给它。

Any simple code to do it.

任何简单的代码来做到这一点。

Thanks

谢谢

回答by Ritesh Gune

What you want to display is called as the Relative time display. Android provides methods to display time relative to your current time. You don't have to use any third party library just for this purpose.

您要显示的内容称为相对时间显示。Android 提供了显示相对于您当前时间的时间的方法。您不必为此目的使用任何第三方库。

You can use

您可以使用

DateUtils.getRelativeTimeSpanString(long time, long now, long minResolution)

Refer docs Here

在这里参考文档

eg.

例如。

DateUtils.getRelativeTimeSpanString(your_time_in_milliseconds, current_ time_in_millisecinds,DateUtils.MINUTE_IN_MILLIS);

UPDATE1:

更新1：

You can try following to pass your date and get the milliseconds for it.

您可以尝试按照以下方式传递您的日期并获取其毫秒数。

public static long getDateInMillis(String srcDate) {
    SimpleDateFormat desiredFormat = new SimpleDateFormat(
        "d MMMM yyyy, hh:mm aa");

    long dateInMillis = 0;
    try {
        Date date = desiredFormat.parse(srcDate);
        dateInMillis = date.getTime();
        return dateInMillis;
    } catch (ParseException e) {
        Log.d("Exception while parsing date. " + e.getMessage());
        e.printStackTrace();
    }

    return 0;
    }

Hope it helps you.

希望对你有帮助。

回答by Rudy

Create the below logic:

创建以下逻辑：

Convert your time to seconds, get the diff ( delta ) from current file :

将您的时间转换为秒，从当前文件中获取差异（delta）：

1. % it by 3600*365
   • if the result > 0then display year(s) ago
2. else % it by 3600 * 30
   • if the result > 0then display month(s) ago
3. else % it by 3600 * 7
   • if the result > 0then display week(s) ago
4. else % it by 3600
   • if the result > 0then display day(s) ago
5. else % it by 3600 / 24
   • if the result > 0then display hour(s) ago
6. else % it by 60,
   • if the result > 0then display minute(s) ago

1. % it by 3600*365
   • 如果result > 0then 显示年前
2. else % it by 3600 * 30
   • 如果result > 0then 显示一个月前
3. else % it by 3600 * 7
   • 如果result > 0then 显示一周前
4. else % it by 3600
   • 如果result > 0then 显示天前
5. else % it by 3600 / 24
   • 如果result > 0then 显示小时前
6. else % it by 60,
   • 如果result > 0then 显示分钟前

NOTE:% means mod (modulus operation)

注意：% 表示 mod（模数运算）

回答by Jaskey

Date nowDate=new Date();
Date yourPassDate=//you have a date here.
long now=nowDate.getTime();
long time=yourPassDate.getTime();


final long diff = now - time;  //now you have a date interval representing with mileseconds.
//you can use this diff to do something like:
if (diff <1000*60)//less than one minute
    //...
else if (diff <1000*60*60) //less than 1 hour
    //...    
else if (diff < 1000*60*60*24)//less than one day
    //...

This is what java doc of Date.getTime() said:

这是 Date.getTime() 的 java doc 所说的：

 * Returns the number of milliseconds since January 1, 1970, 00:00:00 GMT
 * represented by this <tt>Date</tt> object.

 * Returns the number of milliseconds since January 1, 1970, 00:00:00 GMT
 * represented by this <tt>Date</tt> object.