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EpocJava
EpocJava Source Code
The following is the code for the example application used in this article. The code its self simply displays a number of standard screen elements (used to illustrate the differences between these elements when viewed on EPOC when compared to a Windows implementation. The code makes use of several extension classes supplied by Symbian.
package com.symbian.epoc.epocjava;
import java.awt.*;
import java.awt.event.*;
import com.symbian.epoc.extension.*;
public class EpocJava extends EFrame implements ActionListener
{
String[] dialogText =
{"A Java demonstration",
"illustrating Symbian UI components",
"and look and feel of AWT components",
"in EPOC"};
EButton CloseB = new EButton("Close", "Ctrl+E");
GridPanel panel = new GridPanel();
Checkbox MyCheck = new Checkbox("Check!");
TextArea Textarea1 = new TextArea(7, 25);
Choice myChoice = new Choice();
public static void main(String args[])
{
new EpocJava();
}
public EpocJava()
{
setBackground(Color.lightGray);
menuBar.add(controlMenu); */
panel.constraints.gridwidth = 3;
panel.add(Textarea1, 0, 2);
panel.constraints.gridwidth = 1;
panel.constraints.gridwidth = GridBagConstraints.REMAINDER;
panel.add(MyCheck, 1, 3);
myChoice.addItem("Dark");
myChoice.addItem("Medium");
myChoice.addItem("Light");
panel.add(myChoice, 1, 4);
panel.add(CloseB, 1, 5);
CloseB.button.addActionListener(this);
add(panel);
aboutDialog.setTitle("About this Example");
aboutDialog.text = dialogText;
show();
}
public void actionPerformed(ActionEvent ae)
{
if(ae.getSource() == CloseB.button)
{
shutDown();
}
else super.actionPerformed(ae);
}
}
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Symbian Extension Classes
This sample code uses Symbian utility classes EButton, EFrame and GridPanel. Unfortunately the current licensing on the Symbian Extension classes prevents them from being distributed with this example, however the run time and source code for these packages can be downloaded from the Download page at the Symbian Developers Network. Please note however that the packaging used in the example follows that used on the SDK supplied with the WROX Press Professional Symbian Programming book and differs slightly from the packaging used for the extension classes available on the Symbian Devnet.
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