I'm developing an android application and I use GSON to get the data from the server, I'm working on both APIs of Facebook and Imgur and the same issue happens. How can I convert a date from milliseconds format to a human-readable format like for example 1584780523 and I want to convert it to any format, for example, 25, Mar 2020.
What I tried to do!
• Get Data
@SerializedName("datetime")
@Expose
private long datetime;
// setters and getters
• In my adapter after getting DATETIME I parse it to a human-readable format
// Get Datetime.
long getDate = data.getDatetime();
// Parse it in this format for example.
DateFormat dateFormat = new SimpleDateFormat("dd MMM yyyy HH:mm:ss:SSS Z");
Date result = new Date(getDate);
// Set Result (Human-Readable date)
date.setText(dateFormat.format(result));
• But here is the problem! It gives me date like this
19 Jan 1970 09:54:00:533 +0200
Why the output at the 1970s. I saw something like that is the default output of Datetime? But in the same case, it gives me on the other items on my RecyclerView the same output but the last three digits changes!
Here what I'm asking!
1- Why we use (a lot of people use long instead of int?
2- Why the output gives me that and how can I fix this?
3- In other APIs like Youtube they use the regular DateTime why Facebook and Imgur changes them?
Note: I searched about my question for 3 days but I didn't get any answers or relative questions on StackOverflow so, I asked here. All of them or most are for PHP and JavaScript I need an example in Java Android Studio
Thanks.
Your 1584780523 value is in seconds, not milliseconds.
long secondsSinceEpoch = 1584780523;
long millisSinceEpoch = secondsSinceEpoch * 1000L;
Date date = new Date(millisSinceEpoch);
System.out.println(date);
SimpleDateFormat fmt = new SimpleDateFormat("d, MMM yyyy", Locale.US);
System.out.println(fmt.format(date));
Output1
Sat Mar 21 04:48:43 EDT 2020
21, Mar 2020
1) I'm in America/New_York time zone
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