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How to get the size of mobile screen E-mail
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Canvas class of javax.microedition.lcdui package gives faciltiy of low level level graphics on mobile. An application gets the drawing area by methods getWidth() and getHeight().

The illustration below draws a rectangle on the mobile device's screen:

public void paint(Graphics g
{
  // get the dimensions of the screen:
  int width = getWidth ();
  int height = getHeight();
  
  // clear the screen (paint it white):
  g.setColor(0xffffff);
  g.fillRect(00, width, height);
  Font font = g.getFont();
  int fontHeight = font.getHeight();
  int fontWidth = font.stringWidth("Hello World!");
  
  // set the text color to red:
  g.setColor(25500);
  g.setFont(font);
  g.drawString("Hello World!"(width - fontWidth)/2,
    (height - fontHeight)/2,g.TOP|g.LEFT);
}


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