options.java

利用开源的源码为一个朋友的V3手机手机写的科学计算器

package xcalc;

import java.io.ByteArrayInputStream;
import java.io.ByteArrayOutputStream;
import java.io.DataInputStream;
import java.io.DataOutputStream;

import javax.microedition.lcdui.ChoiceGroup;
import javax.microedition.lcdui.Command;
import javax.microedition.lcdui.CommandListener;
import javax.microedition.lcdui.Displayable;
import javax.microedition.lcdui.Form;
import javax.microedition.lcdui.TextField;
import javax.microedition.rms.RecordStore;

public final class Options extends Form implements CommandListener {
	private static final String XCALC_PREF = "XCALCPref";	
	public static int GraphStartX = -5;
	public static int GraphStopX = 5;
	public static int GraphStartY = -5;
	public static int GraphStopY = 5;
	public static int GraphStartZ = -5;
	public static int GraphStopZ = 5;	
	public static int graphWidth  =  GraphStopX-GraphStartX;
	public static int graphHeight =   GraphStopY-GraphStartY;	
	public static int RadDegGrad = 0;
	public static int Resolution;
	
	private final ChoiceGroup optionsTrig;
	private final TextField resolution;
    private final TextField maxX;
    private final TextField minX;
    private final TextField maxY;
    private final TextField minY;
    private final TextField maxZ;
    private final TextField minZ;
    private final String optionsTrigValues[] = 
    	{"radian (2PI)","degree (360