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when i run Frame program, it display output in supparate
window.i try to close using "X" it not close.min'-' &
max'+' are working.pls what is problem? i run in editplus.
folowing program i given.
import java.awt.*;
class Form1
{
Frame f1=new Frame("loginpage");
Label l1=new Label("username");
Label l2=new Label("password");
TextField tf1=new TextField();
TextField tf2=new TextField();
Button b1=new Button("submit");
Form1()
{
f1.setLayout(new FlowLayout());
f1.add(l1);
f1.add(tf1);
f1.add(l2);
f1.add(tf2);
f1.add(b1);
f1.setSize(437,440);
f1.setVisible(true);
//f1.dispose();
}
public static void main(String[] args)
{
Form1 f=new Form1();
}
}
- 4 Answers
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Answer / raj
By default the close button of the frame is not in working
state.The close button of the frame has to be set for the
desired operation (i.e. closing the frame).
Set the close button functionality to close the frame or
window. This is done using the addWindowListener() method
of the Frame class which passes the new instance of the
WindowAdapter class that uses the windowClosing() method
for receiving the WindowEvent and close the frame or window.
frame.addWindowListener(new WindowAdapter(){
public void windowClosing(WindowEvent we){
System.exit(0);
}
});
| Is This Answer Correct ? | 6 Yes | 0 No |
Answer / karthik
if u implement this process that problem will be solved
addWindowListener(new WindowAdapter()
{
public void windowCloseing(WindowEvent ee)
{
System.exit(0);
}});
| Is This Answer Correct ? | 4 Yes | 0 No |
Answer / ayyappan raja
use, Static method of JFrame called setDefaultCloseoperation
()and pass the arguments as ONE of follows :
Arguments Description
1.JFrame.EXIT_ON_CLOSE Exits the application.
2. JFrame_HIDE_ON_CLOSE closes the clicked frame
window,not the application.
For example,
class Frame1 extends JFrame{
public Frame1(){
super(" FrameTest ");
setSize(400,340);
setDefaultCloseOperation(JFrame.EXIT_ON_CLOSE);
setVisible(true);
}
}
| Is This Answer Correct ? | 3 Yes | 1 No |
Answer / karthik
U have answer in u Question Form is component.we need to
implement add actionLisioner method and we need to override
public void windowCloseing(WindowEvent ee)
{
System.exit(0);
}});
Because windows action
| Is This Answer Correct ? | 1 Yes | 0 No |
I want to use the markerfor playing a video using the jmf.Suppose my video length is of 2 hours.I want it to play ex-15 mintue or 20 mintue and should stop after assigning the time.I am providing my piece of code............please help me.... package com.jha.cdac.lila.praveen; import java.awt.BorderLayout; import java.awt.Component; import java.awt.Container; import java.awt.Dimension; import java.awt.Toolkit; import java.awt.event.WindowAdapter; import java.awt.event.WindowEvent; import java.io.File; import java.net.URL; import javax.media.ControllerAdapter; import javax.media.Manager; /** * * @author vinays */ import javax.media.Player; import javax.media.RealizeCompleteEvent; import javax.media.Time; import javax.swing.JFrame; public class PlayVideo extends javax.swing.JFrame{ Player player; Component center; Component south; // this code is required for playing the video file of mpeg,mp4,mp3,3gp,rm,flv, //wmf,mpv,vob,qt and the asf extension public PlayVideo() { File file = new File("Lesson1.mpg"); try { load(file); // load() } catch (Exception ex) { //Logger.getLogger(LessonNarrative.class.getName ()).log(Level.SEVERE, null, ex); System.out.println("Error while loading file............"+ex); } } //the piece of code given below is used to load the file which user want to play. public void load(final File file) //load the file throws Exception { URL url = file.toURL(); final Container contentPane = getContentPane(); if (player != null) { player.stop(); } // MediaLocator mediaLocator=new MediaLocator (file.toURL()); // DataSource dataSource=Manager.createDataSource (mediaLocator); // player=Manager.createPlayer(url); player = Manager.createRealizedPlayer(url); ControllerAdapter listener = new ControllerAdapter() { @Override public void realizeComplete( RealizeCompleteEvent event) { Component vc = player.getVisualComponent(); player.getVisualComponent(); if (vc != null) { contentPane.add(vc, BorderLayout.CENTER); center = vc; } else { if (center != null) { contentPane.remove(center); contentPane.validate(); } } Component cpc = player.getControlPanelComponent(); if (cpc != null) { contentPane.add(cpc, BorderLayout.SOUTH); south=cpc; } else { if (south != null) { contentPane.remove(south); contentPane.validate(); } } pack(); // //setTitle(file.getName()); //to get the title of Video or Audio File } }; Time tm=new Time(30.4402403); Time tm1=new Time(5.7256199); player.addControllerListener(listener); player.setMediaTime(tm1); player.setStopTime(tm); // player.setMediaTime(new Time(5.0)); //player.setStopTime(new Time(73)); player.realize(); player.start(); } public static void main(String args[]) throws ClassNotFoundException { PlayVideo pv = new PlayVideo(); JFrame f = new JFrame("Lesson1"); f.addWindowListener(new WindowAdapter() { @Override public void windowClosing(WindowEvent e) { System.exit(0); } }); f.getContentPane().add("Center", pv); f.pack(); Dimension screenSize = Toolkit.getDefaultToolkit ().getScreenSize(); int w = 420; int h = 140; pv.setLocation(screenSize.width/2 - w/2, screenSize.height/2 - h/2); pv.setSize(w, h); pv.setVisible(true); }
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