我想在屏幕底部设置状态栏,它应该在左侧和右侧显示一个按钮。你可以在下面看到我的屏幕。
我的代码是这样的..
private void BottomLayout()
{
Bitmap topBg = Bitmap.getBitmapResource(ImageName.topbar);
final Bitmap topBg1 = cmn_fun.resizeBitmap(topBg, SCREEN_WIDTH, topBg.getHeight());
HorizontalFieldManager hfmbottom = new HorizontalFieldManager(Field.USE_ALL_WIDTH)
{
protected void paintBackground(Graphics graphics)
{
graphics.drawBitmap(0,0,SCREEN_WIDTH,topBg1.getHeight(), topBg1,0,0 );
super.paint(graphics);
}
protected void sublayout(int maxWidth, int maxHeight) {
// TODO Auto-generated method stub
super.sublayout(topBg1.getWidth(), topBg1.getHeight());
setExtent(topBg1.getWidth(), topBg1.getHeight());
}
};
Bitmap imgprv=Bitmap.getBitmapResource(ImageName.btn_prev);
Bitmap imgprv_sel=Bitmap.getBitmapResource(ImageName.btn_prev_sel);
btn_prev=new CustomButtonField(0, "", imgprv_sel, imgprv, Field.FIELD_LEFT);
hfmbottom.add(btn_prev);
Bitmap imgnext=Bitmap.getBitmapResource(ImageName.btn_next);
Bitmap imgnext_sel=Bitmap.getBitmapResource(ImageName.btn_next_sel);
btn_next=new CustomButtonField(0, "", imgnext_sel, imgnext, Field.FIELD_RIGHT);
hfmbottom.add(btn_next);
setStatus(hfmbottom);
}
提前致谢。
我只向您发布状态栏面板。
实际上在 HorizontalFieldManager 中它确实会产生问题。
因此找到了以下方法并且它有效。它确实添加了额外的代码,但它有效
import net.rim.device.api.system.Bitmap;
import net.rim.device.api.system.Display;
import net.rim.device.api.ui.DrawStyle;
import net.rim.device.api.ui.Graphics;
import net.rim.device.api.ui.Manager;
import net.rim.device.api.ui.component.ButtonField;
import net.rim.device.api.ui.container.GridFieldManager;
import net.rim.device.api.ui.container.HorizontalFieldManager;
import net.rim.device.api.ui.container.MainScreen;
import net.rim.device.api.ui.container.VerticalFieldManager;
class SampleBottomPanelScreen extends MainScreen {
private HorizontalFieldManager title_bar;
private VerticalFieldManager btn1_manager;
private ButtonField btn1;
private VerticalFieldManager btn2_manager;
private ButtonField btn2;
Bitmap bg_image;
public SampleBottomPanelScreen() {
//bg_image = Bitmap.getBitmapResource("backgroundImage.png");
btn1_manager = new VerticalFieldManager(VerticalFieldManager.FIELD_LEFT) {
protected void sublayout(int maxWidth, int maxHeight)
{
int displayWidth = Display.getWidth() / 2;
int displayHeight = Display.getHeight();
super.sublayout( displayWidth, displayHeight);
setExtent( displayWidth, displayHeight);
}
};
btn2_manager = new VerticalFieldManager(VerticalFieldManager.FIELD_RIGHT | VerticalFieldManager.USE_ALL_WIDTH) {
protected void sublayout(int maxWidth, int maxHeight)
{
int displayWidth = Display.getWidth() / 2;
int displayHeight = Display.getHeight();
super.sublayout( displayWidth, displayHeight);
setExtent( displayWidth, displayHeight);
}
};
title_bar = new HorizontalFieldManager(Manager.USE_ALL_WIDTH){
public void paint(Graphics graphics) {
graphics.setBackgroundColor(0x2bb1ff);
graphics.clear();
super.paint(graphics);
}
protected void sublayout(int maxWidth, int maxHeight)
{
int displayWidth = Display.getWidth();
int displayHeight = Display.getHeight() / 8;
super.sublayout( displayWidth, displayHeight);
setExtent( displayWidth, displayHeight);
}
};
btn1 = new ButtonField("Submit", ButtonField.LEFT | ButtonField.FIELD_LEFT);
btn2 = new ButtonField("Cancel", ButtonField.RIGHT| ButtonField.FIELD_RIGHT);
btn1_manager.add(btn1);
btn2_manager.add(btn2);
title_bar.add(btn1_manager);
title_bar.add(btn2_manager);
this.add(title_bar);
}
}
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