哎在我的屏幕有一个编辑字段和2个的自定义按钮字段为“OK”和“取消” 下面ButtonField字段有一些更focussable标签字段

当我写在编辑栏,然后按输入一个名字,然后重点涉及到“确定”按钮,但如何将焦点设置“取消”按钮。

此外滚动时焦点不会自动前进???

做什么可以是I M与触摸事件和它们的处理混淆!!!

请帮助!!!!!!!!!!!!

代码:

        txt_Name = new EditField(TextField.NO_NEWLINE)
            {
                public void paint(net.rim.device.api.ui.Graphics g)
                {
                    g.setColor(Color.MAROON);
                    super.paint(g);
                }
           };

            txt_Name.setFont(font);

     v1 =  new VerticalFieldManager();
     v1.add(txt_Name );


    ButtonField btn1 = new ButtonField("OK",ButtonField.CONSUME_CLICK);
    ButtonField btn2 = new ButtonField("CANCEL",ButtonField.CONSUME_CLICK);

     v2 =  new VerticalFieldManager();
     v2.add(btn1);
     v2.add(btn2);

    LabelField l1 = new  LabelField("Hello Moon ",Field.Focussable);
    LabelField l2 = new  LabelField("Hello Citizen",Field.Focussable);
    LabelField l3 = new  LabelField("Hello People",Field.Focussable);
    LabelField l4 = new  LabelField("Hello world",Field.Focussable);

     v3 =  new VerticalFieldManager();
     v3.add(l1);
     v3.add(l2);
     v3.add(l3);
     v3.add(l4);

    add(v1);
    add(v2);
    add(v3);
}


protected boolean navigationClick(int status, int time) 
    {
     if(OK.isFocus())
             {
                //execute some code
                return true;
             }
if(CANCEL.isFocus())
             {
                //execute some code
                return true;
             }
        }
有帮助吗?

解决方案 2

    txt_Name = new EditField(TextField.NO_NEWLINE)
            {
                public void paint(net.rim.device.api.ui.Graphics g)
                {
                    g.setColor(Color.MAROON);
                    super.paint(g);
                }
           };

            txt_Name.setFont(font);

     v1 =  new VerticalFieldManager();
     v1.add(txt_Name );


    ButtonField btn1 = new ButtonField("OK",ButtonField.CONSUME_CLICK);
    ButtonField btn2 = new ButtonField("CANCEL",ButtonField.CONSUME_CLICK);

     h2 =  new HorizontalalFieldManager();
     h2.add(btn1);
     h2.add(btn2);

    LabelField l1 = new  LabelField("Hello Moon ",Field.Focussable);
    LabelField l2 = new  LabelField("Hello Citizen",Field.Focussable);
    LabelField l3 = new  LabelField("Hello People",Field.Focussable);
    LabelField l4 = new  LabelField("Hello world",Field.Focussable);

     v3 =  new VerticalFieldManager();
     v3.add(l1);
     v3.add(l2);
     v3.add(l3);
     v3.add(l4);

    add(v1);
    add(h2);
    add(v3);
}


protected boolean navigationClick(int status, int time) 
    {
int index = h2.getFieldwithFocusIndex();
     if(h2==0)
             {
                //execute some code for OK
                return true;
             }
if(h2==1)
             {
                //execute some code for cancel
                return true;
             }
        }

其他提示

我发就像马克建议的,为每个按钮单独FieldChangeListeners:

class Scr extends MainScreen {
    EditField txt_Name;
    ButtonField btnOK;
    ButtonField btnCancel;
    VerticalFieldManager v1;
    VerticalFieldManager v2;
    VerticalFieldManager v3;
    Font font = Font.getDefault().derive(Font.BOLD, 20);

    public Scr() {
        txt_Name = new EditField(TextField.NO_NEWLINE) {
            public void paint(net.rim.device.api.ui.Graphics g) {
                g.setColor(Color.MAROON);
                super.paint(g);
            }
        };

        txt_Name.setFont(font);

        v1 = new VerticalFieldManager();
        v1.add(txt_Name);

        btnOK = new ButtonField("OK", ButtonField.CONSUME_CLICK);
        btnOK.setChangeListener(
            new FieldChangeListener(){
                public void fieldChanged(Field field, int context) {
            Dialog.inform("OK pressed");
        }});
        btnCancel = new ButtonField("Cancel", ButtonField.CONSUME_CLICK);
        btnCancel.setChangeListener(
            new FieldChangeListener(){
                public void fieldChanged(Field field, int context) {
            Dialog.inform("Cancel pressed");
        }});
        v2 = new VerticalFieldManager();
        v2.add(btnOK);
        v2.add(btnCancel);

        LabelField l1 = new LabelField("Hello Moon", Field.FOCUSABLE);
        LabelField l2 = new LabelField("Hello Citizen", Field.FOCUSABLE);
        LabelField l3 = new LabelField("Hello People", Field.FOCUSABLE);
        LabelField l4 = new LabelField("Hello world", Field.FOCUSABLE);

        v3 = new VerticalFieldManager();
        v3.add(l1);
        v3.add(l2);
        v3.add(l3);
        v3.add(l4);

        add(v1);
        add(v2);
        add(v3);
    }
}

现在,它似乎是OK:点击  替代文字http://img40.imageshack.us/img40/6472/textentered.jpg 替代文字http://img59.imageshack.us/img59/7574/okpressed .JPG 替代文本http://img641.imageshack.us/img641/ 9246 / cancelpressed01.jpg

<强>更新

斯瓦特我可以点击使用鼠标点击与风暴模拟器这些按钮。 我再也找不到比鳕模拟器文件是从老版本的任何其他解释。您可以通过改变代码的任何标签文本快速检查,然后部署和检查,如果这种变化将在应用设备上应用。在情况下,如果不是,这是旧版本,并且应该再次清洁模拟器和部署应用程序。点击 希望这会帮助你!点击 另请参见黑莓 - 更改没有得到体现在我的应用程序

可以通过覆盖含有可聚焦领域,如好屏幕或管理者的“navigationMovement”方法控制聚焦顺序和取消按钮。只是评价该方法,设定的对焦通过使用Field.setFocus()所需的字段的参数,并返回true。

对于不带滚动向前迈进的焦点 - 这只是方式的触摸屏用户界面的作品。焦点仅当触摸可聚焦场移动 - 。因此,如果您不接触任何可聚焦的字段时,你“轻拂”屏幕滚动,焦点不会改变

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