JFrame Maximize window

Question

I m putting together a quick and dirty animation using swing   I would like the window to be maximized   How can I do that

User · Answer

If you re using a JFrame  try this  JFrame frame   new JFrame          frame setExtendedState JFrame MAXIMIZED BOTH

User · Answer

kgiannakakis answer is fully correct  but if someone stuck into this problem and uses Java 6 on Linux  by example  Mint 19 Cinnamon   MAXIMIZED BOTH state is sometimes not applied    You could try to call pack   method after setting this state   Code example   public MainFrame         setContentPane contentPanel     some JPanel is here     setPreferredSize new Dimension 1200  800        setMinimumSize new Dimension 1200  800        setSize new Dimension 1200  800        setExtendedState JFrame MAXIMIZED BOTH       pack        This is not necessary if you are using Java 7  or Java 6 on Windows

User · Answer

Provided that you are extending JFrame   public void run         MyFrame myFrame   new MyFrame        myFrame setVisible true       myFrame setExtendedState myFrame getExtendedState     JFrame MAXIMIZED BOTH

User · Answer

The way to set JFrame to full-screen  is to set MAXIMIZED BOTH option which stands for MAXIMIZED VERT   MAXIMIZED HORIZ  which respectively set the frame to maximize vertically and horizontally  package Example  import java awt GraphicsConfiguration  import javax swing JFrame  import javax swing JButton   public class JFrameExample       static JFrame frame      static GraphicsConfiguration gc      public static void main String   args                frame   new JFrame gc           frame setTitle  Full Screen Example            frame setExtendedState MAXIMIZED BOTH            JButton button   new JButton  exit            b addActionListener new ActionListener    Override         public void actionPerformed ActionEvent arg0               JFrameExample frame dispose                System exit 0                         frame add button           frame setVisible true

User · Answer

Provided that you are extending JFrame   public void run         MyFrame myFrame   new MyFrame        myFrame setVisible true       myFrame setExtendedState myFrame getExtendedState     JFrame MAXIMIZED BOTH

User · Answer

I ended up using this code   public void setMaximized boolean maximized       if maximized           DisplayMode mode   this getGraphicsConfiguration   getDevice   getDisplayMode            Insets insets   Toolkit getDefaultToolkit   getScreenInsets this getGraphicsConfiguration             this setMaximizedBounds new Rectangle                  mode getWidth   - insets right - insets left                   mode getHeight   - insets top - insets bottom                     this setExtendedState this getExtendedState     JFrame MAXIMIZED BOTH        else          this setExtendedState JFrame NORMAL             This options worked the best of all the options  including multiple monitor support  The only flaw this has is that the taskbar offset is used on all monitors is some configurations

User · Answer

The way to set JFrame to full-screen  is to set MAXIMIZED BOTH option which stands for MAXIMIZED VERT   MAXIMIZED HORIZ  which respectively set the frame to maximize vertically and horizontally  package Example  import java awt GraphicsConfiguration  import javax swing JFrame  import javax swing JButton   public class JFrameExample       static JFrame frame      static GraphicsConfiguration gc      public static void main String   args                frame   new JFrame gc           frame setTitle  Full Screen Example            frame setExtendedState MAXIMIZED BOTH            JButton button   new JButton  exit            b addActionListener new ActionListener    Override         public void actionPerformed ActionEvent arg0               JFrameExample frame dispose                System exit 0                         frame add button           frame setVisible true

User · Answer

I ve tried the solutions in this thread and the ones here  but simply calling setExtendedState getExtendedState   Frame MAXIMIZED BOTH   right after calling setVisible true   apparently does not work for my environment  Windows 10  JDK 1 8  my taskbar is on the right side of my screen   Doing it this way still leaves a tiny space on the left  right and bottom    What did work for me however  is calling setExtendedState     when the window is activated  like so   public class SomeFrame extends JFrame        public SomeFrame                            setVisible true           setResizable true              if you are calling setSize   for fallback size  do that here         addWindowListener               new WindowAdapter                     private boolean shown   false                   Override                 public void windowActivated WindowEvent we                        if shown  return                      shown   true                      setExtendedState getExtendedState   JFrame MAXIMIZED BOTH

User · Answer

The way to set JFrame to full-screen  is to set MAXIMIZED BOTH option which stands for MAXIMIZED VERT   MAXIMIZED HORIZ  which respectively set the frame to maximize vertically and horizontally  package Example  import java awt GraphicsConfiguration  import javax swing JFrame  import javax swing JButton   public class JFrameExample       static JFrame frame      static GraphicsConfiguration gc      public static void main String   args                frame   new JFrame gc           frame setTitle  Full Screen Example            frame setExtendedState MAXIMIZED BOTH            JButton button   new JButton  exit            b addActionListener new ActionListener    Override         public void actionPerformed ActionEvent arg0               JFrameExample frame dispose                System exit 0                         frame add button           frame setVisible true

User · Answer

kgiannakakis answer is fully correct  but if someone stuck into this problem and uses Java 6 on Linux  by example  Mint 19 Cinnamon   MAXIMIZED BOTH state is sometimes not applied    You could try to call pack   method after setting this state   Code example   public MainFrame         setContentPane contentPanel     some JPanel is here     setPreferredSize new Dimension 1200  800        setMinimumSize new Dimension 1200  800        setSize new Dimension 1200  800        setExtendedState JFrame MAXIMIZED BOTH       pack        This is not necessary if you are using Java 7  or Java 6 on Windows

User · Answer

Provided that you are extending JFrame   public void run         MyFrame myFrame   new MyFrame        myFrame setVisible true       myFrame setExtendedState myFrame getExtendedState     JFrame MAXIMIZED BOTH

User · Answer

How about JFrame setExtendedState JFrame MAXIMIZED BOTH

User · Answer

How about JFrame setExtendedState JFrame MAXIMIZED BOTH

User · Answer

I ve tried the solutions in this thread and the ones here  but simply calling setExtendedState getExtendedState   Frame MAXIMIZED BOTH   right after calling setVisible true   apparently does not work for my environment  Windows 10  JDK 1 8  my taskbar is on the right side of my screen   Doing it this way still leaves a tiny space on the left  right and bottom    What did work for me however  is calling setExtendedState     when the window is activated  like so   public class SomeFrame extends JFrame        public SomeFrame                            setVisible true           setResizable true              if you are calling setSize   for fallback size  do that here         addWindowListener               new WindowAdapter                     private boolean shown   false                   Override                 public void windowActivated WindowEvent we                        if shown  return                      shown   true                      setExtendedState getExtendedState   JFrame MAXIMIZED BOTH

User · Answer

The way to set JFrame to full-screen  is to set MAXIMIZED BOTH option which stands for MAXIMIZED VERT   MAXIMIZED HORIZ  which respectively set the frame to maximize vertically and horizontally  package Example  import java awt GraphicsConfiguration  import javax swing JFrame  import javax swing JButton   public class JFrameExample       static JFrame frame      static GraphicsConfiguration gc      public static void main String   args                frame   new JFrame gc           frame setTitle  Full Screen Example            frame setExtendedState MAXIMIZED BOTH            JButton button   new JButton  exit            b addActionListener new ActionListener    Override         public void actionPerformed ActionEvent arg0               JFrameExample frame dispose                System exit 0                         frame add button           frame setVisible true

User · Answer

i like this version   import java awt Dimension  import java awt GraphicsConfiguration  import java awt Toolkit  import javax swing JFrame   public class Test       public static void main String    args                final JFrame frame   new JFrame            final GraphicsConfiguration config   frame getGraphicsConfiguration             final int left   Toolkit getDefaultToolkit   getScreenInsets config  left          final int right   Toolkit getDefaultToolkit   getScreenInsets config  right          final int top   Toolkit getDefaultToolkit   getScreenInsets config  top          final int bottom   Toolkit getDefaultToolkit   getScreenInsets config  bottom           final Dimension screenSize   Toolkit getDefaultToolkit   getScreenSize            final int width   screenSize width - left - right          final int height   screenSize height - top - bottom           frame setResizable false           frame setSize width height           frame setDefaultCloseOperation JFrame EXIT ON CLOSE                  frame setVisible true

User · Answer

Something like this setExtendedState this getExtendedState     this MAXIMIZED BOTH    import java awt    import javax swing     public class Test extends JFrame       public Test                 GraphicsEnvironment env   GraphicsEnvironment getLocalGraphicsEnvironment            this setMaximizedBounds env getMaximumWindowBounds             this setExtendedState this getExtendedState     this MAXIMIZED BOTH              public static void main String   args                JFrame setDefaultLookAndFeelDecorated true            Test t   new Test            t setVisible true

User · Answer

If you re using a JFrame  try this  JFrame frame   new JFrame          frame setExtendedState JFrame MAXIMIZED BOTH

User · Answer

I ended up using this code   public void setMaximized boolean maximized       if maximized           DisplayMode mode   this getGraphicsConfiguration   getDevice   getDisplayMode            Insets insets   Toolkit getDefaultToolkit   getScreenInsets this getGraphicsConfiguration             this setMaximizedBounds new Rectangle                  mode getWidth   - insets right - insets left                   mode getHeight   - insets top - insets bottom                     this setExtendedState this getExtendedState     JFrame MAXIMIZED BOTH        else          this setExtendedState JFrame NORMAL             This options worked the best of all the options  including multiple monitor support  The only flaw this has is that the taskbar offset is used on all monitors is some configurations

User · Answer

Provided that you are extending JFrame   public void run         MyFrame myFrame   new MyFrame        myFrame setVisible true       myFrame setExtendedState myFrame getExtendedState     JFrame MAXIMIZED BOTH

User · Answer

How about JFrame setExtendedState JFrame MAXIMIZED BOTH

User · Answer

Something like this setExtendedState this getExtendedState     this MAXIMIZED BOTH    import java awt    import javax swing     public class Test extends JFrame       public Test                 GraphicsEnvironment env   GraphicsEnvironment getLocalGraphicsEnvironment            this setMaximizedBounds env getMaximumWindowBounds             this setExtendedState this getExtendedState     this MAXIMIZED BOTH              public static void main String   args                JFrame setDefaultLookAndFeelDecorated true            Test t   new Test            t setVisible true

User · Answer

If you re using a JFrame  try this  JFrame frame   new JFrame          frame setExtendedState JFrame MAXIMIZED BOTH

User · Answer

i like this version   import java awt Dimension  import java awt GraphicsConfiguration  import java awt Toolkit  import javax swing JFrame   public class Test       public static void main String    args                final JFrame frame   new JFrame            final GraphicsConfiguration config   frame getGraphicsConfiguration             final int left   Toolkit getDefaultToolkit   getScreenInsets config  left          final int right   Toolkit getDefaultToolkit   getScreenInsets config  right          final int top   Toolkit getDefaultToolkit   getScreenInsets config  top          final int bottom   Toolkit getDefaultToolkit   getScreenInsets config  bottom           final Dimension screenSize   Toolkit getDefaultToolkit   getScreenSize            final int width   screenSize width - left - right          final int height   screenSize height - top - bottom           frame setResizable false           frame setSize width height           frame setDefaultCloseOperation JFrame EXIT ON CLOSE                  frame setVisible true

User · Answer

How about JFrame setExtendedState JFrame MAXIMIZED BOTH

User · Answer

If you re using a JFrame  try this  JFrame frame   new JFrame          frame setExtendedState JFrame MAXIMIZED BOTH

User · Answer

Something like this setExtendedState this getExtendedState     this MAXIMIZED BOTH    import java awt    import javax swing     public class Test extends JFrame       public Test                 GraphicsEnvironment env   GraphicsEnvironment getLocalGraphicsEnvironment            this setMaximizedBounds env getMaximumWindowBounds             this setExtendedState this getExtendedState     this MAXIMIZED BOTH              public static void main String   args                JFrame setDefaultLookAndFeelDecorated true            Test t   new Test            t setVisible true

User · Answer

Something like this setExtendedState this getExtendedState     this MAXIMIZED BOTH    import java awt    import javax swing     public class Test extends JFrame       public Test                 GraphicsEnvironment env   GraphicsEnvironment getLocalGraphicsEnvironment            this setMaximizedBounds env getMaximumWindowBounds             this setExtendedState this getExtendedState     this MAXIMIZED BOTH              public static void main String   args                JFrame setDefaultLookAndFeelDecorated true            Test t   new Test            t setVisible true

[java] JFrame Maximize window

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