com.jmobilecore.ui.core
Class Label

java.lang.Object
  com.jmobilecore.ui.core.Component
      com.jmobilecore.ui.core.Label

Direct Known Subclasses:

Checkbox, List, ListLabel, PropertyLabel, SimpleCheckbox

public class Label
extends Component

Provides a text label for display on the screen. A label is not focusable.

Author:

Greg Gridin

Field Summary

protected java.lang.String

text The text of this label.

Fields inherited from class com.jmobilecore.ui.core.Component

alignment, background, CENTER, focusable, focusedBackground, focusedForeground, font, foreground, height, isCompletelyVisible, isFocused, isVisible, LEFT, parentScreen, RIGHT, screenY, valid, width

Constructor Summary

Label(java.lang.String text)
Constructs a new label with the specified string of text, left justified.

Label(java.lang.String text, javax.microedition.lcdui.Font font, int alignment)
Constructs a new label that presents the specified string of text with the specified alignment.

Label(java.lang.String text, int alignment)
Constructs a new label that presents the specified string of text with the specified alignment.

Method Summary

static Label	createTitleLabel(java.lang.String titleText) Creates title label
java.lang.String	getText() Gets the text of this label.
void	paint(javax.microedition.lcdui.Graphics g) Paints the label to the screen.
void	setText(java.lang.String text) Sets the text for this label to the specified text.

Methods inherited from class com.jmobilecore.ui.core.Component

destructor, getBackground, getFont, getForeground, getHeight, getWidth, invalidate, isFocusOwner, keyPressed, keyReleased, keyRepeated, paintBackground, pointerDragged, pointerPressed, pointerReleased, prepareForeground, releaseFocus, requestFocus, setFont, setHeight

Methods inherited from class java.lang.Object

clone, equals, finalize, getClass, hashCode, notify, notifyAll, toString, wait, wait, wait

Field Detail

text

protected java.lang.String text

The text of this label.

See Also:

getText(), setText(String)

Constructor Detail

Label

public Label(java.lang.String text)

Constructs a new label with the specified string of text, left justified.

Parameters:

text - the string that the label presents. A null value will be accepted without causing a NullPointerException to be thrown. The text can be single line only. If text contains \n characters (used to indicate line breaks) then it might overlap with other UI components. It is up to the caller to ensure correctness of input string

Label

public Label(java.lang.String text,
             javax.microedition.lcdui.Font font,
             int alignment)

Constructs a new label that presents the specified string of text with the specified alignment. Possible values for alignment are Label.LEFT, Label.RIGHT, and Label.CENTER.

Parameters:

text - the string that the label presents. A null value will be accepted without causing a NullPointerException to be thrown. The text can be single line only. If text contains \n characters (used to indicate line breaks) then it might overlap with other UI components. It is up to the caller to ensure correctness of input string

font - the label font

alignment - the alignment value.

Label

public Label(java.lang.String text,
             int alignment)

Constructs a new label that presents the specified string of text with the specified alignment. Possible values for alignment are Label.LEFT, Label.RIGHT, and Label.CENTER.

Parameters:

text - the string that the label presents. A null value will be accepted without causing a NullPointerException to be thrown. The text can be single line only. If text contains \n characters (used to indicate line breaks) then it might overlap with other UI components. It is up to the caller to ensure correctness of input string

alignment - the alignment value.

Method Detail

createTitleLabel

public static Label createTitleLabel(java.lang.String titleText)

Creates title label

Parameters:

titleText - The title text

Returns:

title for current screen that could be uses with ScreenCanvas

See Also:

Label

getText

public java.lang.String getText()

Gets the text of this label.

Returns:

the text of this label, or null if the text has been set to null.

See Also:

setText(java.lang.String)

paint

public void paint(javax.microedition.lcdui.Graphics g)

Paints the label to the screen.

Overrides:

paint in class Component

Parameters:

g - The Graphics object to render to.

setText

public void setText(java.lang.String text)

Sets the text for this label to the specified text.

Parameters:

text - the text that this label displays.

See Also:

getText()