midpcanvas.java

A "Time To First Fix" duration evaluation (J2ME application) on Nokia S60

package org.mcyrrer.ttff;

import javax.microedition.lcdui.*;

/**
 * The Canvas that handle all GUI interaction with MainClass
 * @author Mattias Gustavsson
 */
public class MIDPCanvas extends Canvas implements CommandListener {

    private String text;


    public MIDPCanvas() {

    }

    /**
     * paint
     */
    public void paint(Graphics g) {
        Font f3 = Font.getFont(Font.FACE_SYSTEM, Font.STYLE_PLAIN, Font.SIZE_SMALL);
        Font f1 = Font.getFont(Font.FACE_PROPORTIONAL, Font.STYLE_PLAIN, Font.SIZE_LARGE);
        g.setColor(225, 225, 255);
        g.fillRect(0, 0, getWidth(), getHeight());
        g.setColor(0, 0, 0);
        g.setFont(f1);
        g.drawString("TimeToFirstFix", getWidth() / 2, 0, Graphics.TOP | Graphics.HCENTER);
        g.drawString("Timer", getWidth() / 2, 20, Graphics.TOP | Graphics.HCENTER);
        g.setFont(f1);
        g.drawString(text, getWidth() / 2, getHeight() / 2, Graphics.TOP | Graphics.HCENTER);

    }

    /**
     * Called when a key is pressed.
     */
    protected void keyPressed(int keyCode) {
    }

    /**
     * Called when a key is released.
     */
    protected void keyReleased(int keyCode) {
    }

    /**
     * Called when a key is repeated (held down).
     */
    protected void keyRepeated(int keyCode) {
    }

    /**
     * Called when the pointer is dragged.
     */
    protected void pointerDragged(int x, int y) {
    }

    /**
     * Called when the pointer is pressed.
     */
    protected void pointerPressed(int x, int y) {
    }

    /**
     * Called when the pointer is released.
     */
    protected void pointerReleased(int x, int y) {
    }

    /**
     * Called when action should be handled
     */
    public void commandAction(Command command, Displayable displayable) {

    }

    /**
     * 
     * @param text - number of seconds that is visible in the midle of the screen
     */
    public void setText(String text) {
        this.text = text;

    }
}