Android Question problem with NumberFormat with Android 11

Lello1964 · Jun 16, 2021

I have foud this difference between Android 9 and Android 11

I have this code

B4X:

Dim a As Int =0
Log(NumberFormat(a,0,4) )

Android 9 :
result = 0

Android 11 :
result = .0

why there is . before 0 ?
Someone have some problem, how solve ?

other example

B4X:

Dim a As Int =12
Log(NumberFormat(a,0,4) )

Android 9 :
result = 12

Android 11 :
result = 12.0

Lello1964 · Jun 16, 2021

NumberFormat2 have some problem

mcqueccu · Jun 16, 2021

Use numberformat2

Deleted member 103 · Jun 16, 2021

Lello1964 said:
I have foud this difference between Android 9 and Android 11

I have this code

B4X:

Dim a As Int =0 Log(NumberFormat(a,0,4) )

Android 9 :
result = 0

Android 11 :
result = .0

why there is . before 0 ?
Someone have some problem, how solve ?

other example

B4X:

Dim a As Int =12 Log(NumberFormat(a,0,4) )

Android 9 :
result = 12

Android 11 :
result = 12.0

I also have this mistake in earlier versions when I remember correctly.

Peter Simpson · Jun 16, 2021

Log(NumberFormat(a, 0, 0))
Log(NumberFormat2(a, 0, 0, 0, False))

Lello1964 · Jun 16, 2021

Peter Simpson said:
Log(NumberFormat(a, 0, 0))
Log(NumberFormat2(a, 0, 0, 0, False))

isn't a solution

but if i have 12.546

result is 12 but it must be 12.546

Peter Simpson · Jun 16, 2021

Lello1964 said:
isn't a solution

but if i have 12.546

result is 12 but it must be 12.546

What, 12.546 is a decimal and not an integer, what are you talking about???????

Make your mind up will you, you wrote

B4X:

Dim a As Int =12

Can you see where you wrote Int, how are you seriously expecting to get 12.546 ???

Lello1964 · Jun 16, 2021

sorry. but the problem isn't solved

Dim b As Double =12.546
Log(NumberFormat(b,0,0))
Log(NumberFormat2(b,0,0,0,True))

result :

12
13

doesn't solve my problem.

DataMiser · Jun 16, 2021

you are passing 0 for the min and max decimal places so of course you get nothing after the decimal.
If you want a max of 3 decimal places then you need to place a 3 in that parameter.

Erel · Jun 17, 2021

Please use [code]code here...[/code] tags when posting code.

I don't see any unexpected result in this thread.
I think that tou are looking for:

B4X:

NumberFormat2(b,1,3,0,True)

Lello1964 · Jun 17, 2021

Erel said:
Please use [code]code here...[/code] tags when posting code.

I don't see any unexpected result in this thread.
I think that tou are looking for:

B4X:

NumberFormat2(b,1,3,0,True)

Why difference between Android <11 and android 11 result ?

Lello1964 · Jun 17, 2021

B4X:

Dim a As Int =0
Log(NumberFormat(a,0,4))

result :

in Andoid9 : 0
in Android10 : .0

This isn't same.

Erel · Jun 17, 2021

Why are you setting the minimum integers parameter to 0? If you want it to be 1 then set it to 1. It is really simple.
The results meet your settings.

Lello1964 · Jun 17, 2021

This is only an example

Erel said:
Why are you setting the minimum integers parameter to 0? If you want it to be 1 then set it to 1. It is really simple.
The results meet your settings.

this is just one example.
The difference also occurs with other numbers and formats.
Having to convert the numeric format into Italian, this generates errors in the app. changing the function in NumberFormat2 all the representations of the numbers change, compromising the graphic result.

Erel · Jun 17, 2021

Lello1964 said:
this is just one example.

This is the only example you posted and it is wrong.
If you have other examples then post them.

Lello1964 · Jun 17, 2021

@Star-Dust tell me a solution.
But i must rmodify all my Apps.

B4X:

Public Sub NumberFormatPlus(Number As Double, MinimumIntegers As Int, MaximumFractions As Int) As String
    If Number=Round(Number) Then
        Return $"$1.0{Number}"$
    Else
        Return NumberFormat(Number,MinimumIntegers,MaximumFractions)
    End If
End Sub

Erel · Jun 17, 2021

It is equivalent to:

B4X:

If Number=Round(Number) Then
        Return NumberFormat(Number, 1, 0)
    Else
        Return NumberFormat(Number,MinimumIntegers,MaximumFractions)
    End If

I don't know what you are trying to do but will probably be safer to do something like:

B4X:

If Abs(Number - Round(Number)) < 0.00000001 Then
  Return NumberFormat(Number, 1, 0)
    Else
        Return NumberFormat(Number,MinimumIntegers,MaximumFractions)
    End If

Lello1964 · Jun 17, 2021

Erel said:
It is equivalent to:

B4X:

If Number=Round(Number) Then Return NumberFormat(Number, 1, 0) Else Return NumberFormat(Number,MinimumIntegers,MaximumFractions) End If

I don't know what you are trying to do but will probably be safer to do something like:

B4X:

If Abs(Number - Round(Number)) < 0.00000001 Then Return NumberFormat(Number, 1, 0) Else Return NumberFormat(Number,MinimumIntegers,MaximumFractions) End If

Thanks @Erel, i'll use your solution, but why this difference between Andorid 9 and Android 11?

Star-Dust · Jun 17, 2021

Would solve the problem by simply setting the number of digits of integers to 1 rather than 0.

Setting it to 0 Android 11 when there are no integers does not even display zero, and it seems to me a correct behavior while previous versions when there are no digits integers displays zero

Star-Dust · Jun 17, 2021

Or Alternative

B4X:

Public Sub NumberFormatPlus(Number As Double, MinimumIntegers As Int, MaximumFractions As Int) As String
      Return NumberFormat(Number,Max(MinimumIntegers,1),MaximumFractions)
End Sub

Android Question problem with NumberFormat with Android 11

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