Java Swing Gui Can T Get Jpanel Stack Overflow

Java How To Resolve A Swing Gui Error Stack Overflow You need to use: private jpanel mainpanel; = new jpanel(). also, note that your frame will now use a flowlayout (not a borderlayout) since that is the default layout manager of the jpanel. Let's walk through the steps to fix your code and get that jpanel showing up. step by step fix find the main method: locate the main method in your java class where your swing ui is.

Java Swing Gui Can T Get Jpanel Stack Overflow I recommend immediately switching a jpanel's flowlayout out with boxlayout. in general you haven't needed to give the content pane a 2nd thought since java 1.6. Yep, your gamepanel likely does get added, but you'll never see it. you add a jlabel to it without any text on the label, and you set the label's background color without making the label opaque. You're running a "heavy" task, and while you're running it, swing is not painting this gui, because you're likely running that task on the swing event thread, and doing so freezes the thread, and your gui. solution: use a background thread such as is obtainable through a swingworker, to run the "heavy" task. other side issues:. Jpanel loadpanel = new jpanel(); loadpanel.setbackground(color.blue); jlabel loadlabel = new jlabel("feature yet to be implemented"); loadpanel.add(loadlabel); container.add("load", loadpanel);.

Java Swing Gui Error On Windows Stack Overflow You're running a "heavy" task, and while you're running it, swing is not painting this gui, because you're likely running that task on the swing event thread, and doing so freezes the thread, and your gui. solution: use a background thread such as is obtainable through a swingworker, to run the "heavy" task. other side issues:. Jpanel loadpanel = new jpanel(); loadpanel.setbackground(color.blue); jlabel loadlabel = new jlabel("feature yet to be implemented"); loadpanel.add(loadlabel); container.add("load", loadpanel);. Unfortunately for some reason the waitingforplayerpanel is not being displayed despite being set to visible in hidegamepanel. i am currently doing this project on ubuntu 14.04 if that helps. here is a snippet of the code i have written. private socket server = null; private bufferedreader in = null; private printwriter out = null;. So the solution is to move the graphics painting code to the notedraw panel. or if you are trying to create some kind of background image for your frame then you can try using the background panel. or if you truly do need custom painting then you create a background panel and override the paintcomponent () method. Import javax.swing.*; import java.awt.*; public class gui extends jframe { public gui() { super("gui"); setdefaultcloseoperation(jframe.exit on close); setsize(500, 500); setlocationrelativeto(null); setvisible(true); add(new form(), borderlayout.east); add(new buttonrow(), borderlayout.south); } private class buttonrow extends jpanel { private. Seems your problem in next, you add a new panel (thepanel) to your jframe (gui) when it is showing, but in this case you must to call revalidate() method of jframe (gui). add gui.revalidate() after gui.add(thepanel);, it helps you.

How To Make Gui Using Java Swing Stack Overflow Unfortunately for some reason the waitingforplayerpanel is not being displayed despite being set to visible in hidegamepanel. i am currently doing this project on ubuntu 14.04 if that helps. here is a snippet of the code i have written. private socket server = null; private bufferedreader in = null; private printwriter out = null;. So the solution is to move the graphics painting code to the notedraw panel. or if you are trying to create some kind of background image for your frame then you can try using the background panel. or if you truly do need custom painting then you create a background panel and override the paintcomponent () method. Import javax.swing.*; import java.awt.*; public class gui extends jframe { public gui() { super("gui"); setdefaultcloseoperation(jframe.exit on close); setsize(500, 500); setlocationrelativeto(null); setvisible(true); add(new form(), borderlayout.east); add(new buttonrow(), borderlayout.south); } private class buttonrow extends jpanel { private. Seems your problem in next, you add a new panel (thepanel) to your jframe (gui) when it is showing, but in this case you must to call revalidate() method of jframe (gui). add gui.revalidate() after gui.add(thepanel);, it helps you.

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java - manipulating JPanel in Swing - Stack Overflow

java - manipulating JPanel in Swing - Stack Overflow

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