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Old 09-07-2010, 08:04 AM   #1 (permalink)
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Default Objectlistfield implementation

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hi

im trying to use objectlistfield and operate callback function drawListRow,
as you can see the code it does work but when the class myListField was in diffrent file it did not work!
does anyone please help me out and explain why?


/*
* appsecundaryscreen.java
*
* <your company here>, 2003-2008
* Confidential and proprietary.
*/
package applicationUIPkg;

import net.rim.device.api.ui.component.LabelField;
import net.rim.device.api.ui.UiApplication;
import net.rim.device.api.ui.container.MainScreen;
import net.rim.device.api.ui.FieldChangeListener;
import net.rim.device.api.ui.Field;
import net.rim.device.api.ui.DrawStyle;
import net.rim.device.api.ui.component.LabelField;
import net.rim.device.api.ui.component.ListField;
import net.rim.device.api.ui.DrawStyle;
import net.rim.device.api.ui.component.ButtonField;
import net.rim.device.api.ui.component.*;
import java.util.Vector;
import net.rim.device.api.ui.Graphics;
import net.rim.device.api.ui.Font;
import net.rim.device.api.system.Bitmap;
import net.rim.device.api.ui.component.PasswordEditField;
import net.rim.device.api.xml.parsers.*;
import org.w3c.dom.*;
import java.io.ByteArrayInputStream;

public class appsecundaryscreen extends MainScreen {
String title1= "my name is iniego montoya you ";
String title2 = "killed my father preper to die";
myListField field1;

public appsecundaryscreen (){
LabelField title = new LabelField ( "secondary screen " , LabelField.FIELD_TOP | LabelField.USE_ALL_WIDTH );
setTitle (title);

add( new RichTextField("foo"));
field1 = new myListField();
mymenuitem item1 = new mymenuitem( "Call vm",3,2 );
addMenuItem(item1);

mymenuitem item2 = new mymenuitem ( "help",2,1);
addMenuItem(item2);

field1.insert(0,"omri");
field1.insert(1,"best application ever!!!");
field1.insert(2,title1);
field1.insert(3,title2);
add(field1);
}
// field1.layout(20,30);

class myListField extends ObjectListField {

protected boolean navigationClick(int status, int time)
{
Dialog.alert("my name is iniego montoya you killed my father preper to die!");
return true;
}

public void drawListRow(ListField listField, Graphics graphics, int index, int y, int width)
{
String line1Msg;// = (String)field1.get(field1, index);
line1Msg = "";
// int width = field1. getpreferredWidth(field1);
int h = listField.getRowHeight();
graphics.drawRect(0,y,width - 1 ,h);
graphics.drawText("bla bla",3,y);
}

/* drawRect(int x,
int y,
int width,
int height)
*/
}
}
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Old 09-07-2010, 07:46 PM   #2 (permalink)
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Did you import the MyListField class after you moved it to another file?
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Old 09-14-2010, 08:27 AM   #3 (permalink)
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hey did u make the class public.
r the 2 classes in the same package.
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