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

 

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();
  }
}

Font.SIZE_LARGE

 

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);
  }
}

Font.SIZE_MEDIUM

 

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();
  }
}

Font.STYLE_PLAIN

 

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();
  }
}

Font.STYLE_UNDERLINED

 

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();
  }
}