Setting the background of a JFrame

[ben_g]

I'm trying to set the background color of an undecorated JFrame to black, but the SetBackground methot does nothing.

My Window creation code:

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JFrame.setDefaultLookAndFeelDecorated(true);     Loading = new JFrame("");     Loading.setAlwaysOnTop(true);     Loading.setLayout(null);     Loading.setUndecorated(true);     Loading.getRootPane().setWindowDecorationStyle(JRootPane.NONE);     JLabel LoadingText = new JLabel("Loading... - Please wait.");     LoadingText.setBounds(250,0,500,15);     LoadingText.setHorizontalAlignment((int)JFrame.CENTER_ALIGNMENT);     LoadingText.setForeground(Color.WHITE);     LoadingBar.setMinimum(0);     LoadingBar.setMaximum(100);     LoadingBar.setValue(0);     LoadingBar.setForeground(Color.GREEN);     LoadingBar.setBackground(Color.RED);     LoadingBar.setBounds(0,30,1000,30);     Loading.getContentPane().add(LoadingText);     Loading.getContentPane().add(LoadingBar);     Loading.setBounds(Toolkit.getDefaultToolkit().getScreenSize().width/2-500,Toolkit.getDefaultToolkit().getScreenSize().height/2-100,1000,200);     Loading.setBackground(Color.BLACK);     Loading.setFocusable(true);     Loading.setVisible(true);

And this is the result:


You can see that the SetBackground method hasn't done anything. Is there a way to make the background of a JFrame black?

[Munchor]

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import javax.swing.*; import java.awt.*; class jframtest {         public static void main (String[] args) {                 JFrame myFrame = new JFrame();                 myFrame.setDefaultLookAndFeelDecorated(true);                 myFrame.setBackground(Color.BLACK);                 myFrame.setSize(400,400);                 myFrame.setVisible(true);         } }

I tried that and it didn't work either, so I investigated on it and found out:

The method "JFrame.setBackground()" has been deprecated on Swing.

In other words, everything about the JFrame relating to it being a container has been rendered void of use. Instead, you have to call javax.swing.JFrame.getContentPane() and use that container.

I tried this and it worked:

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import javax.swing.*; import java.awt.*; class javaframetest {         public static void main (String[] args) {                 JFrame myFrame = new JFrame();                 myFrame.setDefaultLookAndFeelDecorated(true);                 myFrame.getContentPane().setBackground(Color.BLACK);                 myFrame.setSize(400,400);                 myFrame.setVisible(true);         } }

[ben_g]

Thanks. It works now.

[Munchor]

Thanks. It works now.

In fact, I even made a post on it on my blog, here.

I'm glad to help