Android Code Snippet [B4X] Convert milliseconds to string

Erel · Feb 22, 2018

This code converts milliseconds to hours, minutes and seconds:

B4X:

Sub ConvertMillisecondsToString(t As Long) As String
   Dim hours, minutes, seconds As Int
   hours = t / DateTime.TicksPerHour
   minutes = (t Mod DateTime.TicksPerHour) / DateTime.TicksPerMinute
   seconds = (t Mod DateTime.TicksPerMinute) / DateTime.TicksPerSecond
   Return $"$1.0{hours}:$2.0{minutes}:$2.0{seconds}"$
End Sub

It is somewhat similar to DateTime.Time however DateTime.Time works with ticks that represent a specific time instance and is therefore affected by the time zone.

LucaMs · Feb 23, 2023

With milliseconds:

B4X:

Private Sub ConvertTicksToTimeString(t As Long) As String
    Dim Hours, Minutes, Seconds, Milliseconds As Int

    Hours = t / DateTime.TicksPerHour
    Minutes = (t Mod DateTime.TicksPerHour) / DateTime.TicksPerMinute
    Seconds = (t Mod DateTime.TicksPerMinute) / DateTime.TicksPerSecond
    Milliseconds = t Mod 1000
    
    Return $"$2.0{Hours}:$2.0{Minutes}:$2.0{Seconds}:$2.0{Milliseconds}"$
End Sub

Erel said:
Return $"$1.0{hours}:$2.0{minutes}:$2.0{seconds}"$

Why 1.0 for hours?!

aeric · Feb 24, 2023

LucaMs said:
Why 1.0 for hours?!

Hours can be at least 1 integer and I think milliseconds should show in 3 digit, e.g 1:02:59:003

B4X:

Return $"$2.0{Hours}:$2.0{Minutes}:$2.0{Seconds}:$3.0{Milliseconds}"$

LucaMs · Feb 24, 2023

Yes, "at least".

Android Code Snippet [B4X] Convert milliseconds to string

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