Android Example Simple time calculation based on EditText

On your form you use an EditText to input time. If you want to calculate with this, may be the following example will help:

Sub AddTime(OriginalTime As EditText,HoursToAdd As Int,MinutesToAdd As Int,SecondsToAdd As Int) As EditText
    Dim Hours As Long
    Dim Minutes As Long
    Dim Seconds As Long
    Dim OldTime As Long
    Dim NewTime As EditText
   
    If(OriginalTime.Text <> "") Then
        NewTime.Initialize("")
        Hours = DateTime.TicksPerHour * HoursToAdd
        Minutes = DateTime.TicksPerMinute * MinutesToAdd
        Seconds = DateTime.TicksPerSecond * SecondsToAdd
        OldTime = DateTime.TimeParse(OriginalTime.Text)
        NewTime.Text = DateTime.Time(OldTime+Hours+Minutes+Seconds)
        Return NewTime
    Else
        ToastMessageShow("No time to change",False)
        Return OriginalTime
    End If
End Sub

For example:
You have a PauseStart and PauseEnd on your form as an EditText. After PauseStart is filled, you want PauseEnd 30 minutes later. You can use above Sub within PauseEnd_FocusChanged.

 

[Erel]

You should use DateUtils for date and time calculations: [B4X] DateUtils - Simplifies Date and Time Calcuations

 

[AHilberink]

You should use DateUtils for date and time calculations: [B4X] DateUtils - Simplifies Date and Time Calcuations

Hi Erel,

I looked to this library before making this Sub, but didn't find an easy way to add minutes. Did I overlooked?
I also needs to do it on EditText fields because of my form.

Shall I remove this example?

Best regards,
André

 

[Erel]

Shall I remove this example?

No. Your code is also correct. As a general rule it is better to use DateUtils for date / time calculations. You can use DateUtils.AddPeriod to implement it.