J2ME

开发平台：

Java

UiScreen.java：源码内容

							/*
 * To change this template, choose Tools | Templates
 * and open the template in the editor.
 */
package com.framework;
/**
 *
 * @author swaroop_kumar
 */
public class UiScreen extends UiDisplayble{
ScrollableContainer container;
protected TitleBar titleBar;
private SoftkeyBar softkeybar;
public UiScreen() {
    container = new ScrollableContainer();
    container.setWidth(DisplayManager.getInst().getWidth());
    titleBar = getTitleBar();
    softkeybar = getSoftkeybar();
    softkeybar.invalidate();
    titleBar.invalidate();
    invalidate();
}
public SoftkeyBar getSoftkeybar() {
    if(softkeybar == null)
    {
        softkeybar = new SoftkeyBar(this);
    }
    return softkeybar;
}
public TitleBar getTitleBar() {
    if(titleBar == null)
    {
        titleBar = new TitleBar(this);
    }
    return titleBar;
}
 public ScrollableContainer getBody() {
        return container;
  }
public void invalidate()
{
    getBody().setPosition(0, getTitleBar().getHeight());
    getBody().setHeight(DisplayManager.getInst().getHeight() - getTitleBar().getHeight() - getSoftkeybar().getHeight() );
    DisplayManager.getInst().invalidate();
}
public UIControl getSelectedChild()
{
    UIControl control = container;
    while(control != null && control instanceof ScrollableContainer )
    {
        control = ((ScrollableContainer)control).getSelectedChild();
    }
    return control;
}
}

						