ตัวอย่าง navigationMovement และ tab

navigationMovement
http://supportforums.blackberry.com/t5/Java-Development/Tab-Navigation/m-p/381156

tab
http://www.blackberry.com/knowledgecenterpublic/livelink.exe/fetch/2000/348583/800332/800505/800508/How_To_-_Create_tabbed_view_screens.html?nodeid=1357482&vernum=0

ทำเลียนแบบ App World ต้องดูให้ได้

important
http://www.blackberry.com/DevMediaLibrary/view.do?name=HowToExtendManager
normal
http://www.blackberry.com/DevMediaLibrary/view.do?name=HowtoExtendtheScreen

How To - Configure the BlackBerry MDS simulator to work behind a proxy

http://www.blackberry.com/knowledgecenterpublic/livelink.exe/fetch/2000/348583/800738/800792/801079/How_To_-_Configure_the_BlackBerry_MDS_simulator_to_work_behind_a_proxy.html?nodeid=800740&vernum=0

ทำ Manager กว้างคงที่

      HorizontalFieldManager manager = new HorizontalFieldManager()
     {
         //define width
         public int getPreferredWidth()
         {
             return Display.getWidth();
         }
         //define height
         public int getPreferredHeight()
         {
             return 100;
         }
         protected void sublayout( int maxWidth, int maxHeight )
         {
             super.sublayout(getPreferredWidth(),
                             getPreferredHeight());
             setExtent(getPreferredWidth(), getPreferredHeight());
         }
     };

---

 public int getPreferredWidth() {
  return getScreen().getWidth();
 }

 protected void sublayout( int maxWidth, int maxHeight ) {
  super.sublayout(getPreferredWidth(),
    maxHeight);
  XYRect rec = getExtent();
  setExtent(getPreferredWidth(), rec.height);
 }

ทำ padding manager

A | B

------

C | D

http://supportforums.blackberry.com/t5/Java-Development/how-to-set-coordinates-width-and-height-for-a-Manager/td-p/276105

Chat Window Layout Manager

ที่มี scrollable area หลักข้างบน ข้างล่างเป็น fixed editable are
http://www.thinkingblackberry.com/archives/188

Custom Manager

http://www.blackberry.com/developers/javaknowledge/userInterface/kpa0203190635.shtml

คำนวณความสูงของ Manager แบบ Dynamic

    protected void sublayout(int width, int height) {
      int numFields = getFieldCount();
        int availableHeight = height;
      int totalHeight = 0;
    
      for (int i = 0; i < field =" getField(i);">
            availableHeight -= field.getHeight;
          totalHeight += field.getHeight();
      }
    
      setExtent(width, totalHeight);
  }

ทำ rollover icon ใน BlackBerry

ใน 4.7 แค่ไปเซ็ตใน Properties ของ Project แต่ 4.6 หรือต่ำกว่าต้องทำตามข้างล่าง
http://www.miamicoder.com/post/2009/01/24/How-to-Set-a-Rollover-Icon-for-Your-BlackBerry-Application.aspx

http://www.blackberry.com/knowledgecenterpublic/livelink.exe/fetch/2000/348583/796557/800738/800901/How_To_-_Setup_an_alternate_entry_point_for_my_application.html?nodeid=800820