Java by API/javax.microedition.lcdui

• Alert
• AlertType
• Canvas
• Choice
• ChoiceGroup
• Command
• CommandListener
• CustomItem
• DateField
• Display
• Displayable
• Form
• Gauge
• Graphics
• Image
• ImageItem
• ItemStateListener
• List
• StringItem
• TextBox
• TextField
• Ticker

Font.FACE_PROPORTIONAL

   <source lang="java">

import javax.microedition.lcdui.Canvas; import javax.microedition.lcdui.rumand; import javax.microedition.lcdui.rumandListener; import javax.microedition.lcdui.Display; import javax.microedition.lcdui.Displayable; import javax.microedition.lcdui.Font; import javax.microedition.lcdui.Graphics; import javax.microedition.midlet.MIDlet; public class KeyMIDlet extends MIDlet {

 public void startApp() {
   Displayable d = new KeyCanvas();
   d.addCommand(new Command("Exit", Command.EXIT, 0));
   d.setCommandListener(new CommandListener() {
     public void commandAction(Command c, Displayable s) {
       notifyDestroyed();
     }
   });
   Display.getDisplay(this).setCurrent(d);
 }
 public void pauseApp() {
 }
 public void destroyApp(boolean unconditional) {
 }

} class KeyCanvas extends Canvas {

 private Font mFont= Font.getFont(Font.FACE_PROPORTIONAL, Font.STYLE_PLAIN, Font.SIZE_MEDIUM);
 private String mMessage = "[Press keys]";
 public void paint(Graphics g) {
   int w = getWidth();
   int h = getHeight();
   int x = w / 2;
   int y = h / 2;
   g.drawString(mMessage, x, y, Graphics.BASELINE | Graphics.HCENTER);
 }
 protected void keyPressed(int keyCode) {
   int gameAction = getGameAction(keyCode);
   switch (gameAction) {
   case UP:
     mMessage = "UP";
     break;
   case DOWN:
     mMessage = "DOWN";
     break;
   case LEFT:
     mMessage = "LEFT";
     break;
   case RIGHT:
     mMessage = "RIGHT";
     break;
   case FIRE:
     mMessage = "FIRE";
     break;
   case GAME_A:
     mMessage = "GAME_A";
     break;
   case GAME_B:
     mMessage = "GAME_B";
     break;
   case GAME_C:
     mMessage = "GAME_C";
     break;
   case GAME_D:
     mMessage = "GAME_D";
     break;
   default:
     mMessage = "";
     break;
   }
   repaint();
 }

}

 </source>
   
  
 
  

Font.SIZE_LARGE

   <source lang="java">

import javax.microedition.lcdui.Canvas; import javax.microedition.lcdui.Display; import javax.microedition.lcdui.Font; import javax.microedition.lcdui.Graphics; import javax.microedition.midlet.MIDlet; public class SystemFontMidlet extends MIDlet {

 public SystemFontMidlet() { // constructor
 }
 public void startApp() {
   Canvas canvas = new FontCanvas();
   Display display = Display.getDisplay(this);
   display.setCurrent(canvas);
 }
 public void pauseApp() {
 }
 public void destroyApp(boolean unconditional) {
 }

} class FontCanvas extends Canvas {

 public void paint(Graphics g) {
   g.setColor(0xffffff);
   g.fillRect(0, 0, getWidth(), getHeight());
   g.setColor(0x000000);
   g.setFont(Font.getFont(Font.FACE_SYSTEM, Font.STYLE_PLAIN, Font.SIZE_LARGE));
   g.drawString("System Font", 0, 0, g.LEFT | g.TOP);
 }

}

 </source>
   
  
 
  

Font.SIZE_MEDIUM

   <source lang="java">

import javax.microedition.lcdui.Canvas; import javax.microedition.lcdui.rumand; import javax.microedition.lcdui.rumandListener; import javax.microedition.lcdui.Display; import javax.microedition.lcdui.Displayable; import javax.microedition.lcdui.Font; import javax.microedition.lcdui.Graphics; import javax.microedition.midlet.MIDlet; public class KeyMIDlet extends MIDlet {

 public void startApp() {
   Displayable d = new KeyCanvas();
   d.addCommand(new Command("Exit", Command.EXIT, 0));
   d.setCommandListener(new CommandListener() {
     public void commandAction(Command c, Displayable s) {
       notifyDestroyed();
     }
   });
   Display.getDisplay(this).setCurrent(d);
 }
 public void pauseApp() {
 }
 public void destroyApp(boolean unconditional) {
 }

} class KeyCanvas extends Canvas {

 private Font mFont= Font.getFont(Font.FACE_PROPORTIONAL, Font.STYLE_PLAIN, Font.SIZE_MEDIUM);
 private String mMessage = "[Press keys]";
 public void paint(Graphics g) {
   int w = getWidth();
   int h = getHeight();
   int x = w / 2;
   int y = h / 2;
   g.drawString(mMessage, x, y, Graphics.BASELINE | Graphics.HCENTER);
 }
 protected void keyPressed(int keyCode) {
   int gameAction = getGameAction(keyCode);
   switch (gameAction) {
   case UP:
     mMessage = "UP";
     break;
   case DOWN:
     mMessage = "DOWN";
     break;
   case LEFT:
     mMessage = "LEFT";
     break;
   case RIGHT:
     mMessage = "RIGHT";
     break;
   case FIRE:
     mMessage = "FIRE";
     break;
   case GAME_A:
     mMessage = "GAME_A";
     break;
   case GAME_B:
     mMessage = "GAME_B";
     break;
   case GAME_C:
     mMessage = "GAME_C";
     break;
   case GAME_D:
     mMessage = "GAME_D";
     break;
   default:
     mMessage = "";
     break;
   }
   repaint();
 }

}

 </source>
   
  
 
  

Font.STYLE_PLAIN

   <source lang="java">

import javax.microedition.lcdui.Canvas; import javax.microedition.lcdui.rumand; import javax.microedition.lcdui.rumandListener; import javax.microedition.lcdui.Display; import javax.microedition.lcdui.Displayable; import javax.microedition.lcdui.Font; import javax.microedition.lcdui.Graphics; import javax.microedition.midlet.MIDlet; public class KeyMIDlet extends MIDlet {

 public void startApp() {
   Displayable d = new KeyCanvas();
   d.addCommand(new Command("Exit", Command.EXIT, 0));
   d.setCommandListener(new CommandListener() {
     public void commandAction(Command c, Displayable s) {
       notifyDestroyed();
     }
   });
   Display.getDisplay(this).setCurrent(d);
 }
 public void pauseApp() {
 }
 public void destroyApp(boolean unconditional) {
 }

} class KeyCanvas extends Canvas {

 private Font mFont= Font.getFont(Font.FACE_PROPORTIONAL, Font.STYLE_PLAIN, Font.SIZE_MEDIUM);
 private String mMessage = "[Press keys]";
 public void paint(Graphics g) {
   int w = getWidth();
   int h = getHeight();
   int x = w / 2;
   int y = h / 2;
   g.drawString(mMessage, x, y, Graphics.BASELINE | Graphics.HCENTER);
 }
 protected void keyPressed(int keyCode) {
   int gameAction = getGameAction(keyCode);
   switch (gameAction) {
   case UP:
     mMessage = "UP";
     break;
   case DOWN:
     mMessage = "DOWN";
     break;
   case LEFT:
     mMessage = "LEFT";
     break;
   case RIGHT:
     mMessage = "RIGHT";
     break;
   case FIRE:
     mMessage = "FIRE";
     break;
   case GAME_A:
     mMessage = "GAME_A";
     break;
   case GAME_B:
     mMessage = "GAME_B";
     break;
   case GAME_C:
     mMessage = "GAME_C";
     break;
   case GAME_D:
     mMessage = "GAME_D";
     break;
   default:
     mMessage = "";
     break;
   }
   repaint();
 }

}

 </source>
   
  
 
  

Font.STYLE_UNDERLINED

   <source lang="java">

import javax.microedition.lcdui.Canvas; import javax.microedition.lcdui.rumand; import javax.microedition.lcdui.rumandListener; import javax.microedition.lcdui.Display; import javax.microedition.lcdui.Displayable; import javax.microedition.lcdui.Font; import javax.microedition.lcdui.Graphics; import javax.microedition.midlet.MIDlet; public class FontMIDlet extends MIDlet implements CommandListener {

 private FontCanvas mFontCanvas;
 private Command mBoldCommand, mItalicCommand, mUnderlineCommand;
 public FontMIDlet() {
   mFontCanvas = new FontCanvas();
   mBoldCommand = new Command("Bold", Command.SCREEN, 0);
   mItalicCommand = new Command("Italic", Command.SCREEN, 0);
   mUnderlineCommand = new Command("Underline", Command.SCREEN, 0);
   Command exitCommand = new Command("Exit", Command.EXIT, 0);
   mFontCanvas.addCommand(mBoldCommand);
   mFontCanvas.addCommand(mItalicCommand);
   mFontCanvas.addCommand(mUnderlineCommand);
   mFontCanvas.addCommand(exitCommand);
   mFontCanvas.setCommandListener(this);
 }
 public void startApp() {
   Display.getDisplay(this).setCurrent(mFontCanvas);
 }
 public void pauseApp() {
 }
 public void destroyApp(boolean unconditional) {
 }
 public void commandAction(Command c, Displayable s) {
   if (c.getCommandType() == Command.EXIT) {
     notifyDestroyed();
     return;
   }
   boolean isBold = mFontCanvas.isBold() ^ (c == mBoldCommand);
   boolean isItalic = mFontCanvas.isItalic() ^ (c == mItalicCommand);
   boolean isUnderline = mFontCanvas.isUnderline() ^ (c == mUnderlineCommand);
   int style = (isBold ? Font.STYLE_BOLD : 0) | (isItalic ? Font.STYLE_ITALIC : 0)
       | (isUnderline ? Font.STYLE_UNDERLINED : 0);
   mFontCanvas.setStyle(style);
   mFontCanvas.repaint();
 }

} class FontCanvas extends Canvas {

 private Font mSystemFont, mMonospaceFont, mProportionalFont;
 public FontCanvas() {
   this(Font.STYLE_PLAIN);
 }
 public FontCanvas(int style) {
   setStyle(style);
 }
 public void setStyle(int style) {
   mSystemFont = Font.getFont(Font.FACE_SYSTEM, style, Font.SIZE_MEDIUM);
   mMonospaceFont = Font.getFont(Font.FACE_MONOSPACE, style, Font.SIZE_MEDIUM);
   mProportionalFont = Font.getFont(Font.FACE_PROPORTIONAL, style, Font.SIZE_MEDIUM);
 }
 public boolean isBold() {
   return mSystemFont.isBold();
 }
 public boolean isItalic() {
   return mSystemFont.isItalic();
 }
 public boolean isUnderline() {
   return mSystemFont.isUnderlined();
 }
 public void paint(Graphics g) {
   int w = getWidth();
   int h = getHeight();
   int x = w / 2;
   int y = 20;
   y += showFont(g, "System", x, y, mSystemFont);
   y += showFont(g, "Monospace", x, y, mMonospaceFont);
   y += showFont(g, "Proportional", x, y, mProportionalFont);
 }
 private int showFont(Graphics g, String s, int x, int y, Font f) {
   g.setFont(f);
   g.drawString(s, x, y, Graphics.TOP | Graphics.HCENTER);
   return f.getHeight();
 }

}

 </source>