{"id":30247,"date":"2023-01-14T07:47:51","date_gmt":"2023-01-14T02:17:51","guid":{"rendered":"https:\/\/jassweb.com\/solved\/solved-show-remaining-minutes-instead-of-hours\/"},"modified":"2023-01-14T07:47:51","modified_gmt":"2023-01-14T02:17:51","slug":"solved-show-remaining-minutes-instead-of-hours","status":"publish","type":"post","link":"https:\/\/jassweb.com\/solved\/solved-show-remaining-minutes-instead-of-hours\/","title":{"rendered":"[Solved] show remaining minutes instead of hours"},"content":{"rendered":"

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Barebones solution:<\/p>\n

    long remainingMillis = countdownEnds.getTime() - System.currentTimeMillis();\n    long remainingMinutes = TimeUnit.MILLISECONDS.toMinutes(remainingMillis);\n    String countdownEndsString = String.format(\"%d minutes\", remainingMinutes);\n<\/code><\/pre>\n
For a nicer solution use java.time<\/code>, the modern Java date and time API, for the calculation of the minutes:<\/p>\n
    long remainingMinutes = ChronoUnit.MINUTES.between(\n            Instant.now(), DateTimeUtils.toInstant(countdownEnds));\n<\/code><\/pre>\n
In this case also see if you can get rid of the use of Date<\/code> completely since that class is long outdated, and all the functionality and more is in java.time<\/code>. In the last snippet I am using the ThreeTen Backport (see explanation and links below) and its DateTimeUtils<\/code> class. For anyone reading along and using Java 8 or later and still not having got rid of the Date<\/code> class, the conversion is built into that class, so it is slightly simpler yet:<\/p>\n
    long remainingMinutes \n            = ChronoUnit.MINUTES.between(Instant.now(), countdownEnds.toInstant());\n<\/code><\/pre>\n
You may also want to look into the Duration<\/code> class of java.time<\/code>.<\/p>\n
Question: Can I use java.time on Android?<\/h2>\n
Yes, java.time<\/code> works nicely on older and newer Android devices. It just requires at least Java 6<\/strong>.<\/p>\n