B4A Library [B4X] BCToast - Cross platform custom toast message

Erel · Nov 3, 2019

BCToast is a custom "toast" message implementation based on BCTextEngine: https://www.b4x.com/android/forum/t...-bbcode-parser-rich-text-view.106207/#content

It requires BCTextEngine v1.65+.

Note that unlike B4A built-in toast message feature, this toast message can only be displayed from an Activity.

Usage example:

B4X:

Sub Globals
   Private toast As BCToast
End Sub

Sub Activity_Create(FirstTime As Boolean)
   toast.Initialize(Activity) 'Use Page1.RootPanel in B4i or MainForm.RootPane in B4J.
End Sub

Sub Activity_Click
   toast.Show($"The time now is [b]$Time{DateTime.Now}[/b]"$)
End Sub

Default duration is set to 3000 ms. It can be changed with the DurationMs field.
The text itself is highly customizable. See BCTextEngine for more information.

Tip: use the plain tag if you are showing error messages or any other unsanitized text:

B4X:

Toast.Show($"[plain]${LastException.Message}[/plain]"$)

Otherwise the text might include square brackets which will be treated as invalid bbcode.

V1.01 - Adds support for images.
New fields:

B4X:

Public PaddingSides As Int = 15dip
Public PaddingTopBottom As Int = 10dip
Public MaxHeight As Int = 100dip
Public VerticalCenterPercentage As Int = 85

Star-Dust · Aug 20, 2020

klaus said:
I remember that one day you said that if it works at least for two platforms [B4X] is OK.
But I don't remember the thread.

in this thread

[B4X] [XUI] SD FlexGrid (Table)

I created a new library to show a table (or grid) similar to the one in EXCEL. There are already excellent classes that allow many to accomplish things, such as xCustomListView by @Erel (B4X) and with the FlexibleTable by @klaus (B4A). I wanted to make something slightly different suited to...

www.b4x.com

But I think Erel's concept is that if it isn't specified that it only affects 2 platforms (obviously indicating which ones) then it is meant for 3.

Jorge M A · Aug 20, 2020

klaus said:
[B4X] B4XDrawer - sliding drawer
Works only with B4A and B4i, but not with B4J !?

eeeeeemmmmm.....

Updates:

- 1.53 - Adds support for B4J (without gestures). No need to update if using with B4A or B4i.

[B4X] B4XPages + B4XDrawer

B4XDrawer v1.53 adds support for B4J. This is a good opportunity to create a B4XPages example using B4XDrawer. It does require some configuration so pay attention. The example is based on the three pages example...

www.b4x.com

Erel · Aug 21, 2020

Star-Dust said:
But I think Erel's concept is that if it isn't specified that it only affects 2 platforms (obviously indicating which ones) then it is meant for 3.

Exactly.

klaus · Aug 21, 2020

Star-Dust said:
But I think Erel's concept is that if it isn't specified that it only affects 2 platforms (obviously indicating which ones) then it is meant for 3.

I totally agree with this too!
I'm afraid that I didn't read carefully enough the [B4X] B4XDrawer - sliding drawer thread where it is written that the B4J version was added.

LucaMs · Sep 10, 2020

Why not add it to the XUI Views?

Erel · Sep 10, 2020

It depends on BCTextEngine. XUI Views doesn't depend on it.

Adding more and more dependencies to XUI Views will make it bloated.

Erel · Dec 6, 2020

Tip: use the plain tag if you are showing error messages or any other unsanitized text:

B4X:

Toast.Show($"[plain]${LastException.Message}[/plain]"$)

Otherwise the text might include square brackets which will be treated as invalid bbcode.

bocker77 · Mar 19, 2021

Is there a way to change the width of the toast panel. I tried changing the width as such but with no effect.
"toast.pnl.Width = Activity.Width - 100dip" and many other values. When I show it it fills the whole width of the screen. I would like to limit the width and it looks as if I can implement wordwrap with BB1 if the text is too long.

Thanks

Erel · Mar 21, 2021

The maximum width = the width of the parent view. You can add it to a panel instead of the root view and make it thinner.

bocker77 · Mar 21, 2021

Thanks Erel.

bocker77 · Mar 22, 2021

Not to sound too stupid but I am not quite sure I understand what you mean. Here is my code surrounding this issue. pnlMain is the panel that the toast is being shown over if that comes into play in any way. Is this what you mean by parent view?

B4X:

    Private toast As BCToast
    Dim xui As XUI
... 
    Private pnlMain As Panel
...
        ' Setup Custom Toast Message
        toast.Initialize(Activity)
        toast.VerticalCenterPercentage = 65
        toast.pnl.Width = Activity.Width - 100dip
        toast.BB1.TextEngine.Initialize(Activity)
        toast.BB1.WordWrap = True
        toast.BB1.TextEngine.CustomFonts.Put("normal",xui.CreateFont(Typeface. _
                                             CreateNew(Typeface.SERIF, Typeface.STYLE_NORMAL), 10))
...
        ' The maximum width = the width of the parent view. You can add it to a panel
        ' instead of the root view and make it thinner.
        toast.pnl.Color = Color
        toast.DurationMs = Duration
        toast.MaxHeight = 100dip
        toast.Show("[Alignment=Center][img FileName=SmallKanga.png width=24 vertical=12/][/Alignment]" & _
                "[Font=normal] [TextSize=14][Color=" & TextColor & "][Alignment=Left]" & CRLF & Text & _
                "[/Alignment][/Color][/TextSize][/Font]")

Erel · Mar 23, 2021

No. I'm talking about the panel or activity that you pass in the Initialize method. It might be simpler to modify the source code and set the width as you want it to be.

LucaMs · Mar 23, 2021

Wouldn't it be a good practice to write [B4Xlib] in the title, next to [B4X], in such cases? (for searching, of course).

Erel · Mar 23, 2021

LucaMs said:
Wouldn't it be a good practice to write [B4Xlib] in the title, next to [B4X], in such cases? (for searching, of course).

It doesn't matter too much how the "library" is packaged. It can be compiled, a b4xlib or not packaged at all.

LucaMs · Apr 12, 2021

Erel said:
toast.Initialize(Activity) 'Use Page1.RootPanel in B4i or MainForm.RootPane in B4J.

Just a little clarification:

1 - you should change MainForm declaration to Public
2 - for B4Xpages other than B4XMainPage you shoud use something like:

B4X:

Dim frm As Form = B4XPages.GetNativeParent(Me)
toast.Initialize(frm.RootPane)

Erel · Apr 12, 2021

It should be:

B4X:

toast.Initialize(Root)

LucaMs · Apr 12, 2021

Erel said:
It should be:

B4X:

toast.Initialize(Root)

In fact, I had done a few flips too many ?

LucaMs · May 1, 2021

Erel said:
Note that unlike B4A built-in toast message feature, this toast message can only be displayed from an Activity.

... and B4XPages, of course.

jeronimovilar · Dec 29, 2023

How to change the background color?

zed · Dec 29, 2023

jeronimovilar said:
How to change the background color?

try this

B4X:

toast.pnl.Color = xui.Color_White

B4A Library [B4X] BCToast - Cross platform custom toast message

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