Just like on the web, when a popup pop's up (?) and the background page is blurred. Sub Process_Globals Private fx As JFX Private MainForm As Form Dim blur As JavaObject Dim myForm As Form Dim b1 As Button End Sub Sub AppStart (Form1 As Form, Args() As String) MainForm...
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Depending exactly when you want to blur the form, also look at B4XDialog in XUI Views with Dialog.BlurBackground =True.