J2ME2007-09-16
Sample program to draw a arc in J2ME
The Graphics class also supports the drawing of arcs. To draw an arc, you must specify six parameters. These parameters are the four quantities that define the arc's bounding recta
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J2ME2007-09-16
Sample program to draw a rectangle in J2ME
You can draw two kinds of rectangles: regular and rounded. Rectangles, like all geometric drawing, can be drawn in different colors by specifying the color of the graphics pen.
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paint() sample program to draw a line in J2ME
To draw a line, you must specify the (x, y) coordinates of its start and end points. The (x, y) coordinates are defined relative to the point (0, 0), which, at the time the graphic
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TextBox sample program in J2ME
Unlike a TextField, a TextBox is a multiline, editable text area. TextBox is a kind of Screen, not an Item. Because a TextBox is a Displayable, you must create a MIDlet object to d
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Image and ImageItem sample program in J2ME
The program below demonstrates the use of the ImageItem MIDP UI component class. An ImageItem is a subclass of Item, so it must be placed in a Form as demonstrated by the listing.
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Ticker sample program in J2ME
A ticker is an object that provides scrolling text across the top of the display. A Ticker is associated with the display, not with the screen. You place a Ticker on a screen using
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J2ME2007-09-16
Gauge sample program in J2ME
The J2ME example shown below places four items on a Form: two gauges and a String label for each one. The labels identify the two different types of gauges defined by the Gauge cla
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StringItem sample program in J2ME
The StringItem class defines a two-part display component. StringItem objects contain a label and some immutable text. The sample J2ME program shows the pertinent parts of the Stri
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DateField sample program in J2ME
This example displays the date and time because the constructor call specifies the display of both quantities. The DateField class defines three constants, which let you control wh
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How to get the CLDC and MIDP version from a J2ME program
The CLDC/MIDP supports system properties, which are key-value pairs that represent information about the platform and environment in which MIDP applications execute. Conceptually t
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java.lang.SecurityException: MIDP lifecycle does not support system exit.
Usually the Midlets (J2ME programs) doesn't call System.exit(). MIDP applications differ from J2SE applications in the way they terminate. To terminate your MIDlet, you only need t
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Your first J2ME program and a midlet lifecycle explained.
As a programmer, you probably know that the first program you ever write when you are learning a new language is displaying the famous words, 'Hello World". This was the first prog
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