japplet

问题 I am building a JApplet in NetBeans. When the application is initially ran it needs to download some files onto local PC first for it to properly work. Once it is done downloading these files than the GUI should be drawn. How do I pause the JApplet from drawing the GUI until the files are downloaded? Please also note I will need to show the user another GUI that indicates that files are being downloaded, what is the best way of solving this problem? Thank you. @Override public void init() { /

问题 i can't understand where problem lies to run applet in browser when deploy my project accordind to http://docs.oracle.com/javase/tutorial/deployment/applet/deployingApplet.html http://www.coderanch.com/t/258307/Applets/java/Signing-JAR-certificate jar manifest code Permissions: all-permisisons Application-Name:------------ Butt still error in browser Unknown publishers Security warning ExceptionInInitializerError AccessControlException is problem to signing jar of my project? i use 3rd party

问题 I am developing an application allow user load an image in a layer. User can draw some picture on another layer and save only the image that user drawn.Here is my code: import java.awt.Dimension; import java.awt.Graphics; import javax.swing.ImageIcon; import javax.swing.JApplet; import javax.swing.JLabel; import javax.swing.JLayeredPane; import javax.swing.JPanel; public class LayerDemo extends JApplet { private JLayeredPane mainLayer; private JPanel layer1; private JPanel layer2; private

问题 When I called JApplet class from JSP like this : <jsp:plugin type="applet" code="Class_Name.class" codebase="classes" width="850 height="850"> </jsp:plugin> I got an error: access denied ("java.util.PropertyPermision" "com.sun.media.jai.disableMediaLib" "write") What is the problem? and what can I do to fix it? 来源： https://stackoverflow.com/questions/20066914/application-error-accesscontrolexception

问题 I've been testing my Swing application on mac os x which runs on an applet. When I run this applet in the browser, I noticed that the mouse-over on the JMenus/JMenuItems do not work correctly. Here is a small program to reproduce the problem: package com.macosx.tests; import java.applet.Applet; import java.awt.event.*; import java.awt.*; import javax.swing.*; public class Example extends JApplet { JMenuBar bar; JMenu file, edit; JMenuItem new1, save, close; private void doStart() { bar = new

问题 I'm developing an application for my computer science classes . The task is to write a calculator but without using JTextField s or JTextArea s. I've come up with an idea of implementing KeyListener which works nice in both appletviewer and JFrame but doesn't work at all in Google Chrome (and probably other browsers). Here're my code snippets. //- BinaryCalc.java import javax.swing.*; import javax.swing.event.*; import java.awt.*; import java.awt.event.*; public class BinaryCalc extends

问题 In my web application(sencha extjs 5) I have a user requirement to read/write data to the client PC serial port. I am aware of the client browser can not access local machine hardware without installing some binaries on the local machine(Native app, Windows Service, etc..). I have seen the same question is discussed few years back in stackoverflow forums. But I need to know what is the best way of doing this today with the available technologies? 回答1: Well, One way to do this is develop a

问题 ImageIcon icon= new ImageIcon("a.gif"); JLabel jLabel1=new JLabel(icon); jLabel1.setVisible(true); card1.add(jLabel1); I am a newbie to Java and I am facing a problem to add image in a panel in applet. My image is in the same folder. My applet is visible without any problem but only image is not displayed. 回答1: public void init() URL imageURL = new URL(getDocumentBase(), "a.gif"); Image image = getImage(imageURL); ImageIcon icon = new ImageIcon(image); // ... The ImageIcon constructor that

问题 ImageIcon icon= new ImageIcon("a.gif"); JLabel jLabel1=new JLabel(icon); jLabel1.setVisible(true); card1.add(jLabel1); I am a newbie to Java and I am facing a problem to add image in a panel in applet. My image is in the same folder. My applet is visible without any problem but only image is not displayed. 回答1: public void init() URL imageURL = new URL(getDocumentBase(), "a.gif"); Image image = getImage(imageURL); ImageIcon icon = new ImageIcon(image); // ... The ImageIcon constructor that

问题 Well I have created a web-based POS to take order. My question is how do I create a Java-Applet; Shows the HTML page & a Print button Print Order without prompting(no dialogue box) Additional Information : It works like this. The waiter will key the orders from the computer(POS) , when they hit print, it will detect the I.P address of the printer in the kitchen,then print out the orders immediately without prompt. I am actually looking for reference/guide which can help me start on. Any