For my project I've needed to fullscreen form on Raspian (bellsoft-jdk11.0.11)
I founded a solution here.
	
	
		
			
				
					
						 
					
				
			
			
				
					
						
							 stackoverflow.com
				
			
		
	
Then converted to B4J
						
					
					stackoverflow.com
				
			
		
	
Then converted to B4J
	
	
	
	
	
	
	
		
			
			
			
			
			
		
	
	
	
		
	
	
		
	
Thats all
			
			I founded a solution here.
 
					
				How to hide Taskbar in Fullscreen Mode JavaFx
I am currently writing a Game with JavaFx. I now want to make the game run in fullscreen mode. I have written the following code:  public class Game extends Application {     public static void main(
				
			
				B4X:
			
		
		
		    MainForm.Resizable=False  
    Dim jform As JavaObject = MainForm
    Dim jStage As JavaObject=jform.GetFieldJO("stage")
    jStage.RunMethod("setMaximized", Array(True))
    jStage.RunMethod("setFullScreen", Array(True))
    jStage.RunMethod("setFullScreenExitKeyCombination", Array(jform.InitializeStatic("javafx.scene.input.KeyCombination").GetField("NO_MATCH")))
    MainForm.AlwaysOnTop=TrueThats all
			
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