1
我有listfield其中包含幾行。 這是工作正常,當我在黑莓手電筒使用(我可以滾動列表字段,並可以選擇(點擊)任何行)。 但同樣的應用程序,當我使用黑莓風暴9500我不能滾動,因爲只要我想滾動該行正在選擇(單擊)。請告訴我爲什麼它發生的原因或使用listfield在風暴黑莓風暴和火炬的列表字段
謝謝
我lisfield類是
import net.rim.device.api.system.Bitmap;
import net.rim.device.api.system.Display;
import net.rim.device.api.ui.Color;
import net.rim.device.api.ui.Graphics;
import net.rim.device.api.ui.UiApplication;
import net.rim.device.api.ui.XYRect;
import net.rim.device.api.ui.component.Dialog;
import net.rim.device.api.ui.component.ListField;
import net.rim.device.api.ui.component.ListFieldCallback;
public class SpeakersList implements ListFieldCallback
{
private String[] products;
private int rgb=Color.BLACK;
Bitmap arraow;
Bitmap placeholder;
Bitmap holder[];
int i=0;
ImageLoad load;
public Bitmap _bmap;
ListField listField;
TaskWorker taskWorker;
public SpeakersList(String[] products)
{
this.products=products;
arraow= Bitmap.getBitmapResource("arrow.png");
DynamicImages images=new DynamicImages();
placeholder=Bitmap.getBitmapResource(images.defaultimage);
holder=new Bitmap[QandAScreen.imglist.length];
taskWorker = new TaskWorker();
taskWorker.addTask(new ImageDowload());
}
public void drawListRow(ListField listField, Graphics graphics, int index,
int y, int width)
{
this.listField=listField;
final String text=(String) get(listField, index);
if (graphics.isDrawingStyleSet(Graphics.DRAWSTYLE_FOCUS))
{
if(holder[index]==null)
{
holder[index]=placeholder;
}
graphics.setColor(0xC0C0C0);
graphics.fillRect(0,y+0,480,59);
graphics.setColor(rgb);
graphics.setFont(Utility.getBigFont(15));
graphics.drawBitmap(3,y+7,placeholder.getWidth(), placeholder.getHeight(),holder[index], 0, 0);
graphics.drawText(text,70,y+20);
if(Display.getWidth()==480){
graphics.drawBitmap(460,y+20,arraow.getWidth(), arraow.getHeight(),arraow, 0, 0);
}
else if(Display.getWidth()==360)
{
graphics.drawBitmap(330,y+20,arraow.getWidth(), arraow.getHeight(),arraow, 0, 0);
}
else
{
graphics.drawBitmap(300,y+20,arraow.getWidth(), arraow.getHeight(),arraow, 0, 0);
}
graphics.drawLine(0, y+59, Display.getWidth(), y+59);
}
else
{
if(holder[index]==null)
{
holder[index]=placeholder;
}
graphics.setColor(rgb);
graphics.setFont(Utility.getBigFont(15));
graphics.drawBitmap(3,y+7,placeholder.getWidth(), placeholder.getHeight(),holder[index], 0, 0);
graphics.drawText(text,70,y+20);
if(Display.getWidth()==480){
graphics.drawBitmap(460,y+20,arraow.getWidth(), arraow.getHeight(),arraow, 0, 0);
}
else if(Display.getWidth()==360)
{
graphics.drawBitmap(330,y+20,arraow.getWidth(), arraow.getHeight(),arraow, 0, 0);
}
else
{
graphics.drawBitmap(300,y+20,arraow.getWidth(), arraow.getHeight(),arraow, 0, 0);
}
graphics.drawLine(0, y+59, Display.getWidth(), y+59);
}
}
public Object get(ListField listField, int index)
{
return products[index];
}
public int getPreferredWidth(ListField listField)
{
return Display.getWidth()+10;
}
public int indexOfList(ListField listField, String prefix, int start)
{
return -1;
}
class ImageDowload extends Task
{
void doTask()
{
for(;i<QandAScreen.imglist.length;i++)
{
String imgpath=QandAScreen.imglist[i];
if(imgpath==null || imgpath.length()==0)
{
continue;
}
load=new ImageLoad(QandAScreen.imglist[i]+Const.getExtra());
if(load.getData()!=null)
{
UiApplication.getUiApplication().invokeLater(new Runnable()
{
public void run()
{
_bmap=load.getBitmap(40,40);
listField.invalidate(i-1);
holder[i-1]=_bmap;
}
});
}
}
}
}
}
謝謝你的快速回復。在模擬器中測試9550 – kehnar
再次感謝你。它正在工作,當我用鼠標右鍵滾動。 – kehnar