it shows only the text if pressure change here.
if u remark the condition here u will see the labels.
B4X:
Public Sub StateChanged
'If Starter.pressure <> 0 Then
lblTemperature.Text = $"Temperature: $1.1{Starter.temperature}°"$
lblPressure.Text = $"Pressure: $1.1{Starter.pressure} mBar"$
lblTime.Text = $"Last read: $Time{DateTime.Now}"$
'End If
End Sub