41 lines
1.1 KiB
Java
41 lines
1.1 KiB
Java
import javax.microedition.midlet.*;
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import javax.microedition.lcdui.*;
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public class Hello extends MIDlet {
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private Display display;
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private MyCanvas canvas;
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public void startApp() {
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canvas = new MyCanvas();
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display = Display.getDisplay(this);
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display.setCurrent(canvas);
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System.out.println("Hello J2ME!");
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}
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public void pauseApp() {}
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public void destroyApp(boolean unconditional) {}
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}
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class MyCanvas extends Canvas {
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protected void paint(Graphics g) {
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// Clear screen (black background)
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g.setColor(0, 0, 0);
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g.fillRect(0, 0, getWidth(), getHeight());
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// Draw a red rectangle
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g.setColor(255, 0, 0);
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g.fillRect(20, 20, 80, 40);
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// Draw a green line
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g.setColor(0, 255, 0);
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g.drawLine(0, 0, getWidth(), getHeight());
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// Draw white text
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g.setColor(255, 255, 255);
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g.drawString("Hello J2ME!", 10, 80, Graphics.TOP | Graphics.LEFT);
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// Draw a blue circle (approximated with drawArc)
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g.setColor(0, 0, 255);
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g.drawArc(100, 100, 50, 50, 0, 360);
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}
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} |