Android Question Title Bar - how to colour some text ?

    Dim cs As CSBuilder
    cs.Initialize
    cs.Color(Colors.Red)
    cs.Append("Hello ")
    cs.Bold
    cs.Color(Colors.Blue)
    cs.Append("Colorfull ")
    cs.Pop.Pop 'two pops: the first removes the green color and the second removes the bold style
    cs.Append("World!")
    cs.PopAll
    B4XPages.SetTitle(Me, cs)

Private Sub Button1_Click
    SetStatusBarColor(Rnd(0xFF000000, 0))
    SetActionBarColor(Rnd(0xFF000000, 0))
End Sub

Public Sub SetActionBarColor(Color As Int)
    Dim cd As ColorDrawable
    cd.Initialize(Color, 0)
    Dim actionbar As JavaObject = B4XPages.GetManager.ActionBar
    If actionbar.IsInitialized Then
        actionbar.RunMethod("setBackgroundDrawable", Array(cd))
    End If
End Sub

Public Sub SetStatusBarColor(clr As Int)
    Dim p As Phone
    If p.SdkVersion >= 21 Then
        Dim jo As JavaObject
        jo.InitializeContext
        Dim window As JavaObject = jo.RunMethodJO("getWindow", Null)
        window.RunMethod("addFlags", Array (0x80000000))
        window.RunMethod("clearFlags", Array (0x04000000))
        window.RunMethod("setStatusBarColor", Array(clr))
    End If
End Sub