基本上这都是对齐标志和网格的列属性的问题。
GridFieldManager
将样式更改为Manager.USE_ALL_WIDTH
并将列属性设置为GridFieldManager.AUTO_SIZE
使所有可用空间在两列之间平均分配。
gridFieldManager.setColumnProperty(0, GridFieldManager.AUTO_SIZE, 0);
gridFieldManager.setColumnProperty(1, GridFieldManager.AUTO_SIZE, 0);
下面的代码片段
GridFieldManager gridFieldManager = new GridFieldManager(2,2, Manager.USE_ALL_WIDTH);
gridFieldManager.setColumnProperty(0, GridFieldManager.AUTO_SIZE, 0);
gridFieldManager.setColumnProperty(1, GridFieldManager.AUTO_SIZE, 0);
gridFieldManager.add(new ButtonField("Button One"), Field.FIELD_LEFT);
gridFieldManager.add(new ButtonField("Button Two"), Field.FIELD_RIGHT);
gridFieldManager.add(new ButtonField("HC"), Field.FIELD_LEFT);
gridFieldManager.add(new ButtonField("RT"), Field.FIELD_RIGHT);
add(gridFieldManager);
生产
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这个稍作修改的代码片段
GridFieldManager gridFieldManager = new GridFieldManager(1,2, Manager.USE_ALL_WIDTH);
gridFieldManager.setColumnProperty(0, GridFieldManager.AUTO_SIZE, 0);
gridFieldManager.setColumnProperty(1, GridFieldManager.AUTO_SIZE, 0);
VerticalFieldManager vfmLeft = new VerticalFieldManager();
vfmLeft.add(new ButtonField("Button One", Field.FIELD_HCENTER));
vfmLeft.add(new ButtonField("HC", Field.FIELD_HCENTER));
gridFieldManager.add(vfmLeft, Field.FIELD_LEFT);
VerticalFieldManager vfmRight = new VerticalFieldManager();
vfmRight.add(new ButtonField("Button Two", Field.FIELD_HCENTER));
vfmRight.add(new ButtonField("RT", Field.FIELD_HCENTER));
gridFieldManager.add(vfmRight, Field.FIELD_RIGHT);
add(gridFieldManager);
生产
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最后,为了说明我之前所说的关于在两列之间分配可用空间的内容,下面的代码片段
GridFieldManager gridFieldManager = new GridFieldManager(1,2, Manager.USE_ALL_WIDTH | Manager.USE_ALL_HEIGHT);
gridFieldManager.setColumnProperty(0, GridFieldManager.AUTO_SIZE, 0);
gridFieldManager.setColumnProperty(1, GridFieldManager.AUTO_SIZE, 0);
gridFieldManager.setRowProperty(0, GridFieldManager.AUTO_SIZE, 0);
VerticalFieldManager vfmLeft = new VerticalFieldManager(Manager.USE_ALL_WIDTH | Manager.USE_ALL_HEIGHT);
vfmLeft.setBackground(BackgroundFactory.createSolidBackground(Color.CYAN));
gridFieldManager.add(vfmLeft);
VerticalFieldManager vfmRight = new VerticalFieldManager(Manager.USE_ALL_WIDTH | Manager.USE_ALL_HEIGHT);
vfmRight.setBackground(BackgroundFactory.createSolidBackground(Color.GRAY));
gridFieldManager.add(vfmRight);
add(gridFieldManager);
产生两个大小相等的列。
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