標籤欄沒有ToolBarManager

enter image description here 標籤欄沒有ToolBarManager

我想創建一個確切的外觀的工具欄和感覺我的BlackBerry項目。任何幫助是極大的讚賞。請注意我不能使用ToolBarManager。我的項目應該OS之後的設備都支持5.0

感謝

2012-01-20 Rashmi.B

我可以根據您的要求提供所有示例代碼。看到這個鏈接：http://www.flickr.com/photos/[email protected]/6734580553/in/photostream – alishaik786

這是一個示例代碼，如何在黑莓創建標籤。我有總共3個屏幕後statUp（其延伸的UIApplication）類

LoadingScreen.java

public class LoadingScreen extends MainScreen 
{ 
int current_index=0; 
BottomPanel bottomPanel; 
public LoadingScreen(int current_index) 
{ 
    this.current_index=current_index; 
    bottomPanel=new BottomPanel(current_index); 
} 

public void createGUI() 
{  
setTitle("Loading Screen"); 

VerticalFieldManager vertical=new VerticalFieldManager(USE_ALL_WIDTH) 
{ 
    protected void sublayout(int maxWidth, int maxHeight) 
    {    
     super.sublayout(Display.getWidth(), 150); 
     setExtent(Display.getWidth(), 150); 
    } 
}; 
vertical.setBackground(BackgroundFactory.createSolidBackground(Color.GREEN)); 
ButtonField button=new ButtonField("Click"); 
vertical.add(button);  
add(vertical); 

setStatus(bottomPanel);  
} 
}

BottomPanel.java

public class BottomPanel extends VerticalFieldManager implements FieldChangeListener 
{ 
    Bitmap news_bit=Bitmap.getBitmapResource("news.png");//these images are cutting according to device requirement; 
    Bitmap news_bit_hover=Bitmap.getBitmapResource("news_h.png"); 
    Bitmap settings_bit=Bitmap.getBitmapResource("settings.png"); 
    Bitmap settings_bit_hover=Bitmap.getBitmapResource("settings_h.png"); 
    Bitmap about_bit=Bitmap.getBitmapResource("about.png"); 
    Bitmap about_bit_hover=Bitmap.getBitmapResource("about_h.png"); 
    PictureBackgroundButtonField news_pic,settings_pic,about_pic; 
    HorizontalFieldManager hr; 
    int current_index=0; 
    public BottomPanel(int current_index) 
    {   
    super(FOCUSABLE); 
    this.current_index=current_index; 
    VerticalFieldManager ver=new VerticalFieldManager(USE_ALL_WIDTH|USE_ALL_HEIGHT) 
    {   
    protected void sublayout(int width, int height) 
    { 
     super.sublayout(width, news_bit.getHeight()); 
     setExtent(width, news_bit.getHeight()); 
    } 
}; 
hr=new HorizontalFieldManager(FIELD_HCENTER); 
if(current_index==1) 
{ 
    news_pic=new PictureBackgroundButtonField(news_bit.getWidth(),news_bit.getHeight(), Field.NON_FOCUSABLE|Field.FIELD_VCENTER, news_bit_hover, news_bit_hover); 
} 
else 
{ 
    news_pic=new PictureBackgroundButtonField(news_bit.getWidth(),news_bit.getHeight(), Field.FOCUSABLE|Field.FIELD_VCENTER, news_bit, news_bit_hover); 
} 
news_pic.setChangeListener(this); 
hr.add(news_pic); 

if(current_index==2) 
{ 
    settings_pic=new PictureBackgroundButtonField(settings_bit.getWidth(),settings_bit.getHeight(), Field.NON_FOCUSABLE|Field.FIELD_VCENTER, settings_bit_hover, settings_bit_hover); 
} 
else 
{ 
    settings_pic=new PictureBackgroundButtonField(settings_bit.getWidth(),settings_bit.getHeight(), Field.FOCUSABLE|Field.FIELD_VCENTER, settings_bit, settings_bit_hover); 
} 
settings_pic.setChangeListener(this); 
hr.add(settings_pic); 

if(current_index==3) 
{ 
    about_pic=new PictureBackgroundButtonField(about_bit.getWidth(),about_bit.getHeight(),Field.NON_FOCUSABLE|Field.FIELD_VCENTER, about_bit_hover, about_bit_hover); 
} 
else 
{ 
    about_pic=new PictureBackgroundButtonField(about_bit.getWidth(),about_bit.getHeight(), Field.FOCUSABLE|Field.FIELD_VCENTER, about_bit, about_bit_hover); 
} 
about_pic.setChangeListener(this); 
hr.add(about_pic); 

ver.add(hr); 
add(ver); 
} 

public void fieldChanged(Field field, int context) 
{   
if(field==news_pic) 
{    
    LoadingScreen loadingScreen=new LoadingScreen(1); 
    UiApplication.getUiApplication().popScreen(UiApplication.getUiApplication().getActiveScreen()); 
    UiApplication.getUiApplication().pushScreen(loadingScreen); 
    loadingScreen.createGUI(); 
} 
else if(field==settings_pic) 
{ 
    LoadingScreen loadingScreen=new LoadingScreen(2); 
    UiApplication.getUiApplication().popScreen(UiApplication.getUiApplication().getActiveScreen()); 
    UiApplication.getUiApplication().pushScreen(loadingScreen); 
    loadingScreen.createGUI(); 
} 
else if(field==about_pic) 
{ 
    LoadingScreen loadingScreen=new LoadingScreen(3); 
    UiApplication.getUiApplication().popScreen(UiApplication.getUiApplication().getActiveScreen()); 
    UiApplication.getUiApplication().pushScreen(loadingScreen); 
    loadingScreen.createGUI(); 
}  
} 
}

PictureBackgroundButtonField.java

public class PictureBackgroundButtonField extends Field 
{  
    private String _label; 
    private int _labelHeight; 
    private int _labelWidth; 
    private Font _font; 

    private Bitmap _currentPicture; 
    private Bitmap _onPicture ; 
    private Bitmap _offPicture ; 
    public PictureBackgroundButtonField(int width,int height, long style, Bitmap picture, Bitmap selectedPic) 
    { 
     super(style); 

     _font = getFont(); 
     _label = ""; 
     _labelHeight = height; 
     _labelWidth = width; 
     _currentPicture = picture; 
     _onPicture = selectedPic; 
     _offPicture = picture;   
    } 
    public int getPreferredHeight() 
    { 
     return _labelHeight; 
    } 
    public int getPreferredWidth() 
    { 
     return _labelWidth; 
    } 
    protected void onFocus(int direction) 
    { 
     _currentPicture = _onPicture; 
     invalidate(); 
    } 
    protected void onUnfocus() 
    { 
     _currentPicture = _offPicture; 
     invalidate(); 
    } 
    protected void drawFocus(Graphics graphics, boolean on) 
    { 
     // Do nothing 
    } 
    protected void layout(int width, int height) 
    { 
     setExtent(getPreferredWidth(), getPreferredHeight()); 
    } 
    protected void paint(Graphics graphics) 
    {    
      graphics.drawBitmap(0, 0, getPreferredWidth(), getPreferredHeight(), _currentPicture, 0, 0);  
      graphics.setFont(_font); 
      graphics.drawText(_label, 4, 2, 
    (int)(getStyle() & DrawStyle.ELLIPSIS | DrawStyle.HALIGN_MASK), 
    getWidth() - 6); 
    } 
    protected boolean navigationClick(int status, int time) 
    { 
     fieldChangeNotify(1); 
     return true; 
    }  
}

試試這個代碼，看到了差距;

來源

2012-01-23 05:49:49 alishaik786

我也在做同樣的方式哥們.. –

嘿alishaik786-我試過這段代碼它運行，但我不能請參閱標籤欄。我在這個應用程序中使用我的圖像。怎麼回事？原因是什麼？ –

你使用這種方法setStatus（bottomPanel）;在你的代碼中; – alishaik786

把setStatus(bottomPanel);放在LoadingScreen的構造函數中。

來源

2012-08-14 06:58:17 Bharti

標籤欄沒有ToolBarManager

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